@angular/cdk
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Angular Material Component Development Kit
4,518 lines • 178 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/coercion'), require('@angular/cdk/scrolling'), require('@angular/common'), require('@angular/core'), require('rxjs'), require('rxjs/operators'), require('@angular/cdk/platform'), require('@angular/cdk/bidi'), require('@angular/cdk/portal'), require('@angular/cdk/keycodes')) :
typeof define === 'function' && define.amd ? define('@angular/cdk/overlay', ['exports', '@angular/cdk/coercion', '@angular/cdk/scrolling', '@angular/common', '@angular/core', 'rxjs', 'rxjs/operators', '@angular/cdk/platform', '@angular/cdk/bidi', '@angular/cdk/portal', '@angular/cdk/keycodes'], factory) :
(factory((global.ng = global.ng || {}, global.ng.cdk = global.ng.cdk || {}, global.ng.cdk.overlay = {}),global.ng.cdk.coercion,global.ng.cdk.scrolling,global.ng.common,global.ng.core,global.rxjs,global.rxjs.operators,global.ng.cdk.platform,global.ng.cdk.bidi,global.ng.cdk.portal,global.ng.cdk.keycodes));
}(this, (function (exports,coercion,scrolling,common,core,rxjs,operators,platform,bidi,portal,keycodes) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/* global Reflect, Promise */
var extendStatics = function(d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
function __extends(d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
}
var __assign = function() {
__assign = Object.assign || function __assign(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Strategy that will prevent the user from scrolling while the overlay is visible.
*/
var /**
* Strategy that will prevent the user from scrolling while the overlay is visible.
*/
BlockScrollStrategy = /** @class */ (function () {
function BlockScrollStrategy(_viewportRuler, document) {
this._viewportRuler = _viewportRuler;
this._previousHTMLStyles = { top: '', left: '' };
this._isEnabled = false;
this._document = document;
}
/** Attaches this scroll strategy to an overlay. */
/**
* Attaches this scroll strategy to an overlay.
* @return {?}
*/
BlockScrollStrategy.prototype.attach = /**
* Attaches this scroll strategy to an overlay.
* @return {?}
*/
function () { };
/** Blocks page-level scroll while the attached overlay is open. */
/**
* Blocks page-level scroll while the attached overlay is open.
* @return {?}
*/
BlockScrollStrategy.prototype.enable = /**
* Blocks page-level scroll while the attached overlay is open.
* @return {?}
*/
function () {
if (this._canBeEnabled()) {
/** @type {?} */
var root = /** @type {?} */ ((this._document.documentElement));
this._previousScrollPosition = this._viewportRuler.getViewportScrollPosition();
// Cache the previous inline styles in case the user had set them.
this._previousHTMLStyles.left = root.style.left || '';
this._previousHTMLStyles.top = root.style.top || '';
// Note: we're using the `html` node, instead of the `body`, because the `body` may
// have the user agent margin, whereas the `html` is guaranteed not to have one.
root.style.left = coercion.coerceCssPixelValue(-this._previousScrollPosition.left);
root.style.top = coercion.coerceCssPixelValue(-this._previousScrollPosition.top);
root.classList.add('cdk-global-scrollblock');
this._isEnabled = true;
}
};
/** Unblocks page-level scroll while the attached overlay is open. */
/**
* Unblocks page-level scroll while the attached overlay is open.
* @return {?}
*/
BlockScrollStrategy.prototype.disable = /**
* Unblocks page-level scroll while the attached overlay is open.
* @return {?}
*/
function () {
if (this._isEnabled) {
/** @type {?} */
var html = /** @type {?} */ ((this._document.documentElement));
/** @type {?} */
var body = /** @type {?} */ ((this._document.body));
/** @type {?} */
var htmlStyle = /** @type {?} */ (html.style);
/** @type {?} */
var bodyStyle = /** @type {?} */ (body.style);
/** @type {?} */
var previousHtmlScrollBehavior = htmlStyle.scrollBehavior || '';
/** @type {?} */
var previousBodyScrollBehavior = bodyStyle.scrollBehavior || '';
this._isEnabled = false;
htmlStyle.left = this._previousHTMLStyles.left;
htmlStyle.top = this._previousHTMLStyles.top;
html.classList.remove('cdk-global-scrollblock');
// Disable user-defined smooth scrolling temporarily while we restore the scroll position.
// See https://developer.mozilla.org/en-US/docs/Web/CSS/scroll-behavior
htmlStyle.scrollBehavior = bodyStyle.scrollBehavior = 'auto';
window.scroll(this._previousScrollPosition.left, this._previousScrollPosition.top);
htmlStyle.scrollBehavior = previousHtmlScrollBehavior;
bodyStyle.scrollBehavior = previousBodyScrollBehavior;
}
};
/**
* @return {?}
*/
BlockScrollStrategy.prototype._canBeEnabled = /**
* @return {?}
*/
function () {
/** @type {?} */
var html = /** @type {?} */ ((this._document.documentElement));
if (html.classList.contains('cdk-global-scrollblock') || this._isEnabled) {
return false;
}
/** @type {?} */
var body = this._document.body;
/** @type {?} */
var viewport = this._viewportRuler.getViewportSize();
return body.scrollHeight > viewport.height || body.scrollWidth > viewport.width;
};
return BlockScrollStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Returns an error to be thrown when attempting to attach an already-attached scroll strategy.
* @return {?}
*/
function getMatScrollStrategyAlreadyAttachedError() {
return Error("Scroll strategy has already been attached.");
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Strategy that will close the overlay as soon as the user starts scrolling.
*/
var /**
* Strategy that will close the overlay as soon as the user starts scrolling.
*/
CloseScrollStrategy = /** @class */ (function () {
function CloseScrollStrategy(_scrollDispatcher, _ngZone, _viewportRuler, _config) {
var _this = this;
this._scrollDispatcher = _scrollDispatcher;
this._ngZone = _ngZone;
this._viewportRuler = _viewportRuler;
this._config = _config;
this._scrollSubscription = null;
/**
* Detaches the overlay ref and disables the scroll strategy.
*/
this._detach = function () {
_this.disable();
if (_this._overlayRef.hasAttached()) {
_this._ngZone.run(function () { return _this._overlayRef.detach(); });
}
};
}
/** Attaches this scroll strategy to an overlay. */
/**
* Attaches this scroll strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
CloseScrollStrategy.prototype.attach = /**
* Attaches this scroll strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
if (this._overlayRef) {
throw getMatScrollStrategyAlreadyAttachedError();
}
this._overlayRef = overlayRef;
};
/** Enables the closing of the attached overlay on scroll. */
/**
* Enables the closing of the attached overlay on scroll.
* @return {?}
*/
CloseScrollStrategy.prototype.enable = /**
* Enables the closing of the attached overlay on scroll.
* @return {?}
*/
function () {
var _this = this;
if (this._scrollSubscription) {
return;
}
/** @type {?} */
var stream = this._scrollDispatcher.scrolled(0);
if (this._config && this._config.threshold && this._config.threshold > 1) {
this._initialScrollPosition = this._viewportRuler.getViewportScrollPosition().top;
this._scrollSubscription = stream.subscribe(function () {
/** @type {?} */
var scrollPosition = _this._viewportRuler.getViewportScrollPosition().top;
if (Math.abs(scrollPosition - _this._initialScrollPosition) > /** @type {?} */ ((/** @type {?} */ ((_this._config)).threshold))) {
_this._detach();
}
else {
_this._overlayRef.updatePosition();
}
});
}
else {
this._scrollSubscription = stream.subscribe(this._detach);
}
};
/** Disables the closing the attached overlay on scroll. */
/**
* Disables the closing the attached overlay on scroll.
* @return {?}
*/
CloseScrollStrategy.prototype.disable = /**
* Disables the closing the attached overlay on scroll.
* @return {?}
*/
function () {
if (this._scrollSubscription) {
this._scrollSubscription.unsubscribe();
this._scrollSubscription = null;
}
};
return CloseScrollStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Scroll strategy that doesn't do anything.
*/
var /**
* Scroll strategy that doesn't do anything.
*/
NoopScrollStrategy = /** @class */ (function () {
function NoopScrollStrategy() {
}
/** Does nothing, as this scroll strategy is a no-op. */
/**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
NoopScrollStrategy.prototype.enable = /**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
function () { };
/** Does nothing, as this scroll strategy is a no-op. */
/**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
NoopScrollStrategy.prototype.disable = /**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
function () { };
/** Does nothing, as this scroll strategy is a no-op. */
/**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
NoopScrollStrategy.prototype.attach = /**
* Does nothing, as this scroll strategy is a no-op.
* @return {?}
*/
function () { };
return NoopScrollStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
// TODO(jelbourn): move this to live with the rest of the scrolling code
// TODO(jelbourn): someday replace this with IntersectionObservers
/**
* Gets whether an element is scrolled outside of view by any of its parent scrolling containers.
* \@docs-private
* @param {?} element Dimensions of the element (from getBoundingClientRect)
* @param {?} scrollContainers Dimensions of element's scrolling containers (from getBoundingClientRect)
* @return {?} Whether the element is scrolled out of view
*/
function isElementScrolledOutsideView(element, scrollContainers) {
return scrollContainers.some(function (containerBounds) {
/** @type {?} */
var outsideAbove = element.bottom < containerBounds.top;
/** @type {?} */
var outsideBelow = element.top > containerBounds.bottom;
/** @type {?} */
var outsideLeft = element.right < containerBounds.left;
/** @type {?} */
var outsideRight = element.left > containerBounds.right;
return outsideAbove || outsideBelow || outsideLeft || outsideRight;
});
}
/**
* Gets whether an element is clipped by any of its scrolling containers.
* \@docs-private
* @param {?} element Dimensions of the element (from getBoundingClientRect)
* @param {?} scrollContainers Dimensions of element's scrolling containers (from getBoundingClientRect)
* @return {?} Whether the element is clipped
*/
function isElementClippedByScrolling(element, scrollContainers) {
return scrollContainers.some(function (scrollContainerRect) {
/** @type {?} */
var clippedAbove = element.top < scrollContainerRect.top;
/** @type {?} */
var clippedBelow = element.bottom > scrollContainerRect.bottom;
/** @type {?} */
var clippedLeft = element.left < scrollContainerRect.left;
/** @type {?} */
var clippedRight = element.right > scrollContainerRect.right;
return clippedAbove || clippedBelow || clippedLeft || clippedRight;
});
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Strategy that will update the element position as the user is scrolling.
*/
var /**
* Strategy that will update the element position as the user is scrolling.
*/
RepositionScrollStrategy = /** @class */ (function () {
function RepositionScrollStrategy(_scrollDispatcher, _viewportRuler, _ngZone, _config) {
this._scrollDispatcher = _scrollDispatcher;
this._viewportRuler = _viewportRuler;
this._ngZone = _ngZone;
this._config = _config;
this._scrollSubscription = null;
}
/** Attaches this scroll strategy to an overlay. */
/**
* Attaches this scroll strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
RepositionScrollStrategy.prototype.attach = /**
* Attaches this scroll strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
if (this._overlayRef) {
throw getMatScrollStrategyAlreadyAttachedError();
}
this._overlayRef = overlayRef;
};
/** Enables repositioning of the attached overlay on scroll. */
/**
* Enables repositioning of the attached overlay on scroll.
* @return {?}
*/
RepositionScrollStrategy.prototype.enable = /**
* Enables repositioning of the attached overlay on scroll.
* @return {?}
*/
function () {
var _this = this;
if (!this._scrollSubscription) {
/** @type {?} */
var throttle = this._config ? this._config.scrollThrottle : 0;
this._scrollSubscription = this._scrollDispatcher.scrolled(throttle).subscribe(function () {
_this._overlayRef.updatePosition();
// TODO(crisbeto): make `close` on by default once all components can handle it.
if (_this._config && _this._config.autoClose) {
/** @type {?} */
var overlayRect = _this._overlayRef.overlayElement.getBoundingClientRect();
var _a = _this._viewportRuler.getViewportSize(), width = _a.width, height = _a.height;
/** @type {?} */
var parentRects = [{ width: width, height: height, bottom: height, right: width, top: 0, left: 0 }];
if (isElementScrolledOutsideView(overlayRect, parentRects)) {
_this.disable();
_this._ngZone.run(function () { return _this._overlayRef.detach(); });
}
}
});
}
};
/** Disables repositioning of the attached overlay on scroll. */
/**
* Disables repositioning of the attached overlay on scroll.
* @return {?}
*/
RepositionScrollStrategy.prototype.disable = /**
* Disables repositioning of the attached overlay on scroll.
* @return {?}
*/
function () {
if (this._scrollSubscription) {
this._scrollSubscription.unsubscribe();
this._scrollSubscription = null;
}
};
return RepositionScrollStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Options for how an overlay will handle scrolling.
*
* Users can provide a custom value for `ScrollStrategyOptions` to replace the default
* behaviors. This class primarily acts as a factory for ScrollStrategy instances.
*/
var ScrollStrategyOptions = /** @class */ (function () {
function ScrollStrategyOptions(_scrollDispatcher, _viewportRuler, _ngZone, document) {
var _this = this;
this._scrollDispatcher = _scrollDispatcher;
this._viewportRuler = _viewportRuler;
this._ngZone = _ngZone;
/**
* Do nothing on scroll.
*/
this.noop = function () { return new NoopScrollStrategy(); };
/**
* Close the overlay as soon as the user scrolls.
* @param config Configuration to be used inside the scroll strategy.
*/
this.close = function (config) { return new CloseScrollStrategy(_this._scrollDispatcher, _this._ngZone, _this._viewportRuler, config); };
/**
* Block scrolling.
*/
this.block = function () { return new BlockScrollStrategy(_this._viewportRuler, _this._document); };
/**
* Update the overlay's position on scroll.
* @param config Configuration to be used inside the scroll strategy.
* Allows debouncing the reposition calls.
*/
this.reposition = function (config) { return new RepositionScrollStrategy(_this._scrollDispatcher, _this._viewportRuler, _this._ngZone, config); };
this._document = document;
}
ScrollStrategyOptions.decorators = [
{ type: core.Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
ScrollStrategyOptions.ctorParameters = function () { return [
{ type: scrolling.ScrollDispatcher },
{ type: scrolling.ViewportRuler },
{ type: core.NgZone },
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
]; };
/** @nocollapse */ ScrollStrategyOptions.ngInjectableDef = core.defineInjectable({ factory: function ScrollStrategyOptions_Factory() { return new ScrollStrategyOptions(core.inject(scrolling.ScrollDispatcher), core.inject(scrolling.ViewportRuler), core.inject(core.NgZone), core.inject(common.DOCUMENT)); }, token: ScrollStrategyOptions, providedIn: "root" });
return ScrollStrategyOptions;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Initial configuration used when creating an overlay.
*/
var /**
* Initial configuration used when creating an overlay.
*/
OverlayConfig = /** @class */ (function () {
function OverlayConfig(config) {
var _this = this;
/**
* Strategy to be used when handling scroll events while the overlay is open.
*/
this.scrollStrategy = new NoopScrollStrategy();
/**
* Custom class to add to the overlay pane.
*/
this.panelClass = '';
/**
* Whether the overlay has a backdrop.
*/
this.hasBackdrop = false;
/**
* Custom class to add to the backdrop
*/
this.backdropClass = 'cdk-overlay-dark-backdrop';
/**
* Whether the overlay should be disposed of when the user goes backwards/forwards in history.
* Note that this usually doesn't include clicking on links (unless the user is using
* the `HashLocationStrategy`).
*/
this.disposeOnNavigation = false;
if (config) {
Object.keys(config).forEach(function (k) {
/** @type {?} */
var key = /** @type {?} */ (k);
if (typeof config[key] !== 'undefined') {
_this[key] = config[key];
}
});
}
}
return OverlayConfig;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* The points of the origin element and the overlay element to connect.
*/
var /**
* The points of the origin element and the overlay element to connect.
*/
ConnectionPositionPair = /** @class */ (function () {
function ConnectionPositionPair(origin, overlay, offsetX, offsetY, panelClass) {
this.offsetX = offsetX;
this.offsetY = offsetY;
this.panelClass = panelClass;
this.originX = origin.originX;
this.originY = origin.originY;
this.overlayX = overlay.overlayX;
this.overlayY = overlay.overlayY;
}
return ConnectionPositionPair;
}());
/**
* Set of properties regarding the position of the origin and overlay relative to the viewport
* with respect to the containing Scrollable elements.
*
* The overlay and origin are clipped if any part of their bounding client rectangle exceeds the
* bounds of any one of the strategy's Scrollable's bounding client rectangle.
*
* The overlay and origin are outside view if there is no overlap between their bounding client
* rectangle and any one of the strategy's Scrollable's bounding client rectangle.
*
* ----------- -----------
* | outside | | clipped |
* | view | --------------------------
* | | | | | |
* ---------- | ----------- |
* -------------------------- | |
* | | | Scrollable |
* | | | |
* | | --------------------------
* | Scrollable |
* | |
* --------------------------
*
* \@docs-private
*/
var /**
* Set of properties regarding the position of the origin and overlay relative to the viewport
* with respect to the containing Scrollable elements.
*
* The overlay and origin are clipped if any part of their bounding client rectangle exceeds the
* bounds of any one of the strategy's Scrollable's bounding client rectangle.
*
* The overlay and origin are outside view if there is no overlap between their bounding client
* rectangle and any one of the strategy's Scrollable's bounding client rectangle.
*
* ----------- -----------
* | outside | | clipped |
* | view | --------------------------
* | | | | | |
* ---------- | ----------- |
* -------------------------- | |
* | | | Scrollable |
* | | | |
* | | --------------------------
* | Scrollable |
* | |
* --------------------------
*
* \@docs-private
*/
ScrollingVisibility = /** @class */ (function () {
function ScrollingVisibility() {
}
return ScrollingVisibility;
}());
/**
* The change event emitted by the strategy when a fallback position is used.
*/
var ConnectedOverlayPositionChange = /** @class */ (function () {
function ConnectedOverlayPositionChange(connectionPair, /** @docs-private */
scrollableViewProperties) {
this.connectionPair = connectionPair;
this.scrollableViewProperties = scrollableViewProperties;
}
/** @nocollapse */
ConnectedOverlayPositionChange.ctorParameters = function () { return [
{ type: ConnectionPositionPair },
{ type: ScrollingVisibility, decorators: [{ type: core.Optional }] }
]; };
return ConnectedOverlayPositionChange;
}());
/**
* Validates whether a vertical position property matches the expected values.
* \@docs-private
* @param {?} property Name of the property being validated.
* @param {?} value Value of the property being validated.
* @return {?}
*/
function validateVerticalPosition(property, value) {
if (value !== 'top' && value !== 'bottom' && value !== 'center') {
throw Error("ConnectedPosition: Invalid " + property + " \"" + value + "\". " +
"Expected \"top\", \"bottom\" or \"center\".");
}
}
/**
* Validates whether a horizontal position property matches the expected values.
* \@docs-private
* @param {?} property Name of the property being validated.
* @param {?} value Value of the property being validated.
* @return {?}
*/
function validateHorizontalPosition(property, value) {
if (value !== 'start' && value !== 'end' && value !== 'center') {
throw Error("ConnectedPosition: Invalid " + property + " \"" + value + "\". " +
"Expected \"start\", \"end\" or \"center\".");
}
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Service for dispatching keyboard events that land on the body to appropriate overlay ref,
* if any. It maintains a list of attached overlays to determine best suited overlay based
* on event target and order of overlay opens.
*/
var OverlayKeyboardDispatcher = /** @class */ (function () {
function OverlayKeyboardDispatcher(document) {
var _this = this;
/**
* Currently attached overlays in the order they were attached.
*/
this._attachedOverlays = [];
/**
* Keyboard event listener that will be attached to the body.
*/
this._keydownListener = function (event) {
/** @type {?} */
var overlays = _this._attachedOverlays;
for (var i = overlays.length - 1; i > -1; i--) {
// Dispatch the keydown event to the top overlay which has subscribers to its keydown events.
// We want to target the most recent overlay, rather than trying to match where the event came
// from, because some components might open an overlay, but keep focus on a trigger element
// (e.g. for select and autocomplete). We skip overlays without keydown event subscriptions,
// because we don't want overlays that don't handle keyboard events to block the ones below
// them that do.
if (overlays[i]._keydownEventSubscriptions > 0) {
overlays[i]._keydownEvents.next(event);
break;
}
}
};
this._document = document;
}
/**
* @return {?}
*/
OverlayKeyboardDispatcher.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
this._detach();
};
/** Add a new overlay to the list of attached overlay refs. */
/**
* Add a new overlay to the list of attached overlay refs.
* @param {?} overlayRef
* @return {?}
*/
OverlayKeyboardDispatcher.prototype.add = /**
* Add a new overlay to the list of attached overlay refs.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
// Ensure that we don't get the same overlay multiple times.
this.remove(overlayRef);
// Lazily start dispatcher once first overlay is added
if (!this._isAttached) {
this._document.body.addEventListener('keydown', this._keydownListener, true);
this._isAttached = true;
}
this._attachedOverlays.push(overlayRef);
};
/** Remove an overlay from the list of attached overlay refs. */
/**
* Remove an overlay from the list of attached overlay refs.
* @param {?} overlayRef
* @return {?}
*/
OverlayKeyboardDispatcher.prototype.remove = /**
* Remove an overlay from the list of attached overlay refs.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
/** @type {?} */
var index = this._attachedOverlays.indexOf(overlayRef);
if (index > -1) {
this._attachedOverlays.splice(index, 1);
}
// Remove the global listener once there are no more overlays.
if (this._attachedOverlays.length === 0) {
this._detach();
}
};
/**
* Detaches the global keyboard event listener.
* @return {?}
*/
OverlayKeyboardDispatcher.prototype._detach = /**
* Detaches the global keyboard event listener.
* @return {?}
*/
function () {
if (this._isAttached) {
this._document.body.removeEventListener('keydown', this._keydownListener, true);
this._isAttached = false;
}
};
OverlayKeyboardDispatcher.decorators = [
{ type: core.Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
OverlayKeyboardDispatcher.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
]; };
/** @nocollapse */ OverlayKeyboardDispatcher.ngInjectableDef = core.defineInjectable({ factory: function OverlayKeyboardDispatcher_Factory() { return new OverlayKeyboardDispatcher(core.inject(common.DOCUMENT)); }, token: OverlayKeyboardDispatcher, providedIn: "root" });
return OverlayKeyboardDispatcher;
}());
/**
* \@docs-private \@deprecated \@breaking-change 8.0.0
* @param {?} dispatcher
* @param {?} _document
* @return {?}
*/
function OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY(dispatcher, _document) {
return dispatcher || new OverlayKeyboardDispatcher(_document);
}
/** *
* \@docs-private \@deprecated \@breaking-change 8.0.0
@type {?} */
var OVERLAY_KEYBOARD_DISPATCHER_PROVIDER = {
// If there is already an OverlayKeyboardDispatcher available, use that.
// Otherwise, provide a new one.
provide: OverlayKeyboardDispatcher,
deps: [
[new core.Optional(), new core.SkipSelf(), OverlayKeyboardDispatcher],
/** @type {?} */ ((
// Coerce to `InjectionToken` so that the `deps` match the "shape"
// of the type expected by Angular
common.DOCUMENT))
],
useFactory: OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY
};
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Container inside which all overlays will render.
*/
var OverlayContainer = /** @class */ (function () {
function OverlayContainer(_document) {
this._document = _document;
}
/**
* @return {?}
*/
OverlayContainer.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
if (this._containerElement && this._containerElement.parentNode) {
this._containerElement.parentNode.removeChild(this._containerElement);
}
};
/**
* This method returns the overlay container element. It will lazily
* create the element the first time it is called to facilitate using
* the container in non-browser environments.
* @returns the container element
*/
/**
* This method returns the overlay container element. It will lazily
* create the element the first time it is called to facilitate using
* the container in non-browser environments.
* @return {?} the container element
*/
OverlayContainer.prototype.getContainerElement = /**
* This method returns the overlay container element. It will lazily
* create the element the first time it is called to facilitate using
* the container in non-browser environments.
* @return {?} the container element
*/
function () {
if (!this._containerElement) {
this._createContainer();
}
return this._containerElement;
};
/**
* Create the overlay container element, which is simply a div
* with the 'cdk-overlay-container' class on the document body.
*/
/**
* Create the overlay container element, which is simply a div
* with the 'cdk-overlay-container' class on the document body.
* @return {?}
*/
OverlayContainer.prototype._createContainer = /**
* Create the overlay container element, which is simply a div
* with the 'cdk-overlay-container' class on the document body.
* @return {?}
*/
function () {
/** @type {?} */
var container = this._document.createElement('div');
container.classList.add('cdk-overlay-container');
this._document.body.appendChild(container);
this._containerElement = container;
};
OverlayContainer.decorators = [
{ type: core.Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
OverlayContainer.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
]; };
/** @nocollapse */ OverlayContainer.ngInjectableDef = core.defineInjectable({ factory: function OverlayContainer_Factory() { return new OverlayContainer(core.inject(common.DOCUMENT)); }, token: OverlayContainer, providedIn: "root" });
return OverlayContainer;
}());
/**
* \@docs-private \@deprecated \@breaking-change 8.0.0
* @param {?} parentContainer
* @param {?} _document
* @return {?}
*/
function OVERLAY_CONTAINER_PROVIDER_FACTORY(parentContainer, _document) {
return parentContainer || new OverlayContainer(_document);
}
/** *
* \@docs-private \@deprecated \@breaking-change 8.0.0
@type {?} */
var OVERLAY_CONTAINER_PROVIDER = {
// If there is already an OverlayContainer available, use that. Otherwise, provide a new one.
provide: OverlayContainer,
deps: [
[new core.Optional(), new core.SkipSelf(), OverlayContainer],
/** @type {?} */ (common.DOCUMENT // We need to use the InjectionToken somewhere to keep TS happy
) // We need to use the InjectionToken somewhere to keep TS happy
],
useFactory: OVERLAY_CONTAINER_PROVIDER_FACTORY
};
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Reference to an overlay that has been created with the Overlay service.
* Used to manipulate or dispose of said overlay.
*/
var /**
* Reference to an overlay that has been created with the Overlay service.
* Used to manipulate or dispose of said overlay.
*/
OverlayRef = /** @class */ (function () {
function OverlayRef(_portalOutlet, _host, _pane, _config, _ngZone, _keyboardDispatcher, _document, _location) {
var _this = this;
this._portalOutlet = _portalOutlet;
this._host = _host;
this._pane = _pane;
this._config = _config;
this._ngZone = _ngZone;
this._keyboardDispatcher = _keyboardDispatcher;
this._document = _document;
this._location = _location;
this._backdropElement = null;
this._backdropClick = new rxjs.Subject();
this._attachments = new rxjs.Subject();
this._detachments = new rxjs.Subject();
this._locationChanges = rxjs.Subscription.EMPTY;
this._keydownEventsObservable = rxjs.Observable.create(function (observer) {
/** @type {?} */
var subscription = _this._keydownEvents.subscribe(observer);
_this._keydownEventSubscriptions++;
return function () {
subscription.unsubscribe();
_this._keydownEventSubscriptions--;
};
});
/**
* Stream of keydown events dispatched to this overlay.
*/
this._keydownEvents = new rxjs.Subject();
/**
* Amount of subscriptions to the keydown events.
*/
this._keydownEventSubscriptions = 0;
if (_config.scrollStrategy) {
_config.scrollStrategy.attach(this);
}
this._positionStrategy = _config.positionStrategy;
}
Object.defineProperty(OverlayRef.prototype, "overlayElement", {
/** The overlay's HTML element */
get: /**
* The overlay's HTML element
* @return {?}
*/
function () {
return this._pane;
},
enumerable: true,
configurable: true
});
Object.defineProperty(OverlayRef.prototype, "backdropElement", {
/** The overlay's backdrop HTML element. */
get: /**
* The overlay's backdrop HTML element.
* @return {?}
*/
function () {
return this._backdropElement;
},
enumerable: true,
configurable: true
});
Object.defineProperty(OverlayRef.prototype, "hostElement", {
/**
* Wrapper around the panel element. Can be used for advanced
* positioning where a wrapper with specific styling is
* required around the overlay pane.
*/
get: /**
* Wrapper around the panel element. Can be used for advanced
* positioning where a wrapper with specific styling is
* required around the overlay pane.
* @return {?}
*/
function () {
return this._host;
},
enumerable: true,
configurable: true
});
/**
* Attaches content, given via a Portal, to the overlay.
* If the overlay is configured to have a backdrop, it will be created.
*
* @param portal Portal instance to which to attach the overlay.
* @returns The portal attachment result.
*/
/**
* Attaches content, given via a Portal, to the overlay.
* If the overlay is configured to have a backdrop, it will be created.
*
* @param {?} portal Portal instance to which to attach the overlay.
* @return {?} The portal attachment result.
*/
OverlayRef.prototype.attach = /**
* Attaches content, given via a Portal, to the overlay.
* If the overlay is configured to have a backdrop, it will be created.
*
* @param {?} portal Portal instance to which to attach the overlay.
* @return {?} The portal attachment result.
*/
function (portal$$1) {
var _this = this;
/** @type {?} */
var attachResult = this._portalOutlet.attach(portal$$1);
if (this._positionStrategy) {
this._positionStrategy.attach(this);
}
// Update the pane element with the given configuration.
if (!this._host.parentElement && this._previousHostParent) {
this._previousHostParent.appendChild(this._host);
}
this._updateStackingOrder();
this._updateElementSize();
this._updateElementDirection();
if (this._config.scrollStrategy) {
this._config.scrollStrategy.enable();
}
// Update the position once the zone is stable so that the overlay will be fully rendered
// before attempting to position it, as the position may depend on the size of the rendered
// content.
this._ngZone.onStable
.asObservable()
.pipe(operators.take(1))
.subscribe(function () {
// The overlay could've been detached before the zone has stabilized.
if (_this.hasAttached()) {
_this.updatePosition();
}
});
// Enable pointer events for the overlay pane element.
this._togglePointerEvents(true);
if (this._config.hasBackdrop) {
this._attachBackdrop();
}
if (this._config.panelClass) {
this._toggleClasses(this._pane, this._config.panelClass, true);
}
// Only emit the `attachments` event once all other setup is done.
this._attachments.next();
// Track this overlay by the keyboard dispatcher
this._keyboardDispatcher.add(this);
// @breaking-change 8.0.0 remove the null check for `_location`
// once the constructor parameter is made required.
if (this._config.disposeOnNavigation && this._location) {
this._locationChanges = this._location.subscribe(function () { return _this.dispose(); });
}
return attachResult;
};
/**
* Detaches an overlay from a portal.
* @returns The portal detachment result.
*/
/**
* Detaches an overlay from a portal.
* @return {?} The portal detachment result.
*/
OverlayRef.prototype.detach = /**
* Detaches an overlay from a portal.
* @return {?} The portal detachment result.
*/
function () {
if (!this.hasAttached()) {
return;
}
this.detachBackdrop();
// When the overlay is detached, the pane element should disable pointer events.
// This is necessary because otherwise the pane element will cover the page and disable
// pointer events therefore. Depends on the position strategy and the applied pane boundaries.
this._togglePointerEvents(false);
if (this._positionStrategy && this._positionStrategy.detach) {
this._positionStrategy.detach();
}
if (this._config.scrollStrategy) {
this._config.scrollStrategy.disable();
}
/** @type {?} */
var detachmentResult = this._portalOutlet.detach();
// Only emit after everything is detached.
this._detachments.next();
// Remove this overlay from keyboard dispatcher tracking.
this._keyboardDispatcher.remove(this);
// Keeping the host element in DOM the can cause scroll jank, because it still gets
// rendered, even though it's transparent and unclickable which is why we remove it.
this._detachContentWhenStable();
// Stop listening for location changes.
this._locationChanges.unsubscribe();
return detachmentResult;
};
/** Cleans up the overlay from the DOM. */
/**
* Cleans up the overlay from the DOM.
* @return {?}
*/
OverlayRef.prototype.dispose = /**
* Cleans up the overlay from the DOM.
* @return {?}
*/
function () {
/** @type {?} */
var isAttached = this.hasAttached();
if (this._positionStrategy) {
this._positionStrategy.dispose();
}
if (this._config.scrollStrategy) {
this._config.scrollStrategy.disable();
}
this.detachBackdrop();
this._locationChanges.unsubscribe();
this._keyboardDispatcher.remove(this);
this._portalOutlet.dispose();
this._attachments.complete();
this._backdropClick.complete();
this._keydownEvents.complete();
if (this._host && this._host.parentNode) {
this._host.parentNode.removeChild(this._host);
this._host = /** @type {?} */ ((null));
}
this._previousHostParent = this._pane = /** @type {?} */ ((null));
if (isAttached) {
this._detachments.next();
}
this._detachments.complete();
};
/** Whether the overlay has attached content. */
/**
* Whether the overlay has attached content.
* @return {?}
*/
OverlayRef.prototype.hasAttached = /**
* Whether the overlay has attached content.
* @return {?}
*/
function () {
return this._portalOutlet.hasAttached();
};
/** Gets an observable that emits when the backdrop has been clicked. */
/**
* Gets an observable that emits when the backdrop has been clicked.
* @return {?}
*/
OverlayRef.prototype.backdropClick = /**
* Gets an observable that emits when the backdrop has been clicked.
* @return {?}
*/
function () {
return this._backdropClick.asObservable();
};
/** Gets an observable that emits when the overlay has been attached. */
/**
* Gets an observable that emits when the overlay has been attached.
* @return {?}
*/
OverlayRef.prototype.attachments = /**
* Gets an observable that emits when the overlay has been attached.
* @return {?}
*/
function () {
return this._attachments.asObservable();
};
/** Gets an observable that emits when the overlay has been detached. */
/**
* Gets an observable that emits when the overlay has been detached.
* @return {?}
*/
OverlayRef.prototype.detachments = /**
* Gets an observable that emits when the overlay has been detached.
* @return {?}
*/
function () {
return this._detachments.asObservable();
};
/** Gets an observable of keydown events targeted to this overlay. */
/**
* Gets an observable of keydown events targeted to this overlay.
* @return {?}
*/
OverlayRef.prototype.keydownEvents = /**
* Gets an observable of keydown events targeted to this overlay.
* @return {?}
*/
function () {
return this._keydownEventsObservable;
};
/** Gets the the current overlay configuration, which is immutable. */
/**
* Gets the the current overlay configuration, which is immutable.
* @return {?}
*/
OverlayRef.prototype.getConfig = /**
* Gets the the current overlay configuration, which is immutable.
* @return {?}
*/
function () {
return this._config;
};
/** Updates the position of the overlay based on the position strategy. */
/**
* Updates the position of the overlay based on the position strategy.
* @return {?}
*/
OverlayRef.prototype.updatePosition = /**
* Updates the position of the overlay based on the position strategy.
* @return {?}
*/
function () {
if (this._positionStrategy) {
this._positionStrategy.apply();
}
};
/** Switches to a new position strategy and updates the overlay position. */
/**
* Switches to a new position strategy and updates the overlay position.
* @param {?} strategy
* @return {?}
*/
OverlayRef.prototype.updatePositionStrategy = /**
* Switches to a new position strategy and updates the overlay position.
* @param {?} strategy
* @return {?}
*/
function (strategy) {
if (strategy === this._positionStrategy) {
return;
}
if (this._positionStrategy) {
this._positionStrategy.dispose();
}
this._positionStrategy = strategy;
if (this.hasAttached()) {
strategy.attach(this);
this.updatePosition();
}
};
/** Update the size properties of the overlay. */
/**
* Update the size properties of the overlay.
* @param {?} sizeConfig
* @return {?}
*/
OverlayRef.prototype.updateSize = /**
* Update the size properties of the overlay.
* @param {?} sizeConfig
* @return {?}
*/
function (sizeConfig) {
this._config = __assign({}, this._config, sizeConfig);
this._updateElementSize();
};
/** Sets the LTR/RTL direction for the overlay. */
/**
* Sets the LTR/RTL direction for the overlay.
* @param {?} dir
* @return {?}
*/
OverlayRef.prototype.setDirection = /**
* Sets the LTR/RTL direction for the overlay.
* @param {?} dir
* @return {?}
*/
function (dir) {
this._config = __assign({}, this._config, { direction: dir });
this._updateElementDirection();
};
/**
* Returns the layout direction of the overlay panel.
*/
/**
* Returns the layout direction of the overlay panel.
* @return {?}
*/
OverlayRef.prototype.getDirection = /**
* Returns the layout direction of the overlay panel.
* @return {?}
*/
function () {
/** @type {?} */
var direction = this._config.direction;
if (!direction) {
return 'ltr';
}
return typeof direction === 'string' ? direction : direction.value;
};
/**
* Updates the text direction of the overlay panel.
* @return {?}
*/
OverlayRef.prototype._updateElementDirection = /**
* Updates the text direction of the overlay panel.
* @return {?}
*/
function () {
this._host.setAttribute('dir', this.getDirection());
};
/**
* Updates the size of the overlay element based on the overlay config.
* @return {?}
*/
OverlayRef.prototype._updateElementSize = /**
* Updates the size of the overlay element based on the overlay config.
* @return {?}
*/
function () {
/** @type {?} */
var style = this._pane.style;
style.width = coercion.coerceCssPixelValue(this._config.width);
style.height = coercion.coerceCssPixelValue(this._config.height);
style.minWidth = coercion.coerceCssPixelValue(this._config.minWidth);
style.minHeight = coercion.coerceCssPixelValue(this._config.minHeight);
style.maxWidth = coercion.coerceCssPixelValue(this._config.maxWidth);
style.maxHeight = coercion.coerceCssPixelValue(this._config.maxHeight);
};
/**
* Toggles the pointer events for the overlay pane element.
* @param {?} enablePointer
* @return {?}
*/
OverlayRef.prototype._togglePointerEvents = /**
* Toggles the pointer events for the overlay pane element.
* @param {?} enablePointer
* @return {?}
*/
function (enablePointer) {
this._pane.style.pointerEvents = enablePointer ? 'auto' : 'none';
};
/**
* Attaches a backdrop for this overlay.
* @return {?}
*/
OverlayRef.prototype._attachBackdrop = /**
* Attaches a backdrop for this overlay.
* @return {?}
*/
function () {
var _this = this;
/** @type {?} */
var showingClass = 'cdk-overlay-backdrop-showing';
this._backdropElement = this._document.createElement('div');
this._backdropElement.classList.add('cdk-overlay-backdrop');
if (this._config.backdropClass) {
this._toggleClasses(this._backdropElement, this._config.backdropClass, true);
} /** @type {?} */
((
// Insert the backdrop before the pane in the DOM order,
// in order to handle stacked overlays properly.
this._host.parentElement)).insertBefore(this._backdropElement, this._host);
// Forward backdrop clicks such that the consumer of the overlay can perform whatever
// action desired when such a click occurs (usually closing the overlay).
this._backdropElement.addEventListener('click', function (event) { return _this._backdropClick.next(event); });
// Add class to fade-in the backdrop after one frame.
if (typeof requestAnimationFrame !== 'undefined') {
this._ngZone.runOutsideAngular(function () {
requestAnimationFrame(function () {
if (_this._backdropElement) {
_this._backdropElement.classList.add(showingClass);
}
});
});
}
else {
this._backdropElement.classList.add(showingClass);
}
};
/**
* Updates the stacking order of the element, moving it to the top if necessary.
* This is required in cases where one overlay was detached, while another one,
* that should be behind it, was destroyed. The next time both of them are opened,
* the stacking will be wrong, because the detached element's pane will still be
* in its original DOM position.
* @return {?}
*/
OverlayRef.prototype._updateStackingOrder = /**
* Updates the stacking order of the element, moving it to the top if necessary.
* This is required in cases where one overlay was detached, while another one,
* that should be behind it, was destroyed. The next time both of them are opened,
* the stacking will be wrong, because the detached element's pane will still be
* in its original DOM position.
* @return {?}
*/
function () {
if (this._host.nextSibling) {
/** @type {?} */ ((this._host.parentNode)).appendChild(this._host);
}
};
/** Detaches the backdrop (if any) associated with the overlay. */
/**
* Detaches the backdrop (if any) associated with the overlay.
* @return {?}
*/
OverlayRef.prototype.detachBackdrop = /**
* Detaches the backdrop (if any) associated with the overlay.
* @return {?}
*/
function () {
var _this = this;
/** @type {?} */
var backdropToDetach = this._backdropElement;
if (backdropToDetach) {
/** @type {?} */
var timeoutId_1 = void 0;
/** @type {?} */
var finishDetach_1 = function () {
// It may not be attached to anything in certain cases (e.g. unit tests).
if (backdropToDetach && backdropToDetach.parentNode) {
backdropToDetach.parentNode.removeChild(backdropToDetach);
}
// It is possible that a new portal has been attached to this overlay since we started
// removing the backdrop. If that is the case, only clear the backdrop reference if it
// is still the same instance that we started to remove.
if (_this._backdropElement == backdropToDetach) {
_this._backdropElement = null;
}
clearTimeout(timeoutId_1);
};
backdropToDetach.classList.remove('cdk-overlay-backdrop-showing');
if (this._config.backdropClass) {
this._toggleClasses(backdropToDetach, this._config.backdropClass, false);
}
this._ngZone.runOutsideAngular(function () {
/** @type {?} */ ((backdropToDetach)).addEventListener('transitionend', finishDetach_1);
});
// If the backdrop doesn't have a transition, the `transitionend` event won't fire.
// In this case we make it unclickable and we try to remove it after a delay.
backdropToDetach.style.pointerEvents = 'none';
// Run this outside the Angular zone because there's nothing that Angular cares about.
// If it were to run inside the Angular zone, every test that used Overlay would have to be
// either async or fakeAsync.
timeoutId_1 = this._ngZone.runOutsideAngular(function () { return setTimeout(finishDetach_1, 500); });
}
};
/**
* Toggles a single CSS class or an array of classes on an element.
* @param {?} element
* @param {?} cssClasses
* @param {?} isAdd
* @return {?}
*/
OverlayRef.prototype._toggleClasses = /**
* Toggles a single CSS class or an array of classes on an element.
* @param {?} element
* @param {?} cssClasses
* @param {?} isAdd
* @return {?}
*/
function (element, cssClasses, isAdd) {
/** @type {?} */
var classList = element.classList;
coercion.coerceArray(cssClasses).forEach(function (cssClass) {
// We can't do a spread here, because IE doesn't support setting multiple classes.
isAdd ? classList.add(cssClass) : classList.remove(cssClass);
});
};
/**
* Detaches the overlay content next time the zone stabilizes.
* @return {?}
*/
OverlayRef.prototype._detachContentWhenStable = /**
* Detaches the overlay content next time the zone stabilizes.
* @return {?}
*/
function () {
var _this = this;
// Normally we wouldn't have to explicitly run this outside the `NgZone`, however
// if the consumer is using `zone-patch-rxjs`, the `Subscription.unsubscribe` call will
// be patched to run inside the zone, which will throw us into an infinite loop.
this._ngZone.runOutsideAngular(function () {
/** @type {?} */
var subscription = _this._ngZone.onStable
.asObservable()
.pipe(operators.takeUntil(rxjs.merge(_this._attachments, _this._detachments)))
.subscribe(function () {
// Needs a couple of checks for the pane and host, because
// they may have been removed by the time the zone stabilizes.
if (!_this._pane || !_this._host || _this._pane.children.length === 0) {
if (_this._pane && _this._config.panelClass) {
_this._toggleClasses(_this._pane, _this._config.panelClass, false);
}
if (_this._host && _this._host.parentElement) {
_this._previousHostParent = _this._host.parentElement;
_this._previousHostParent.removeChild(_this._host);
}
subscription.unsubscribe();
}
});
});
};
return OverlayRef;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/** *
* Class to be added to the overlay bounding box.
@type {?} */
var boundingBoxClass = 'cdk-overlay-connected-position-bounding-box';
/**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* implicit position relative some origin element. The relative position is defined in terms of
* a point on the origin element that is connected to a point on the overlay element. For example,
* a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner
* of the overlay.
*/
var /**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* implicit position relative some origin element. The relative position is defined in terms of
* a point on the origin element that is connected to a point on the overlay element. For example,
* a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner
* of the overlay.
*/
FlexibleConnectedPositionStrategy = /** @class */ (function () {
function FlexibleConnectedPositionStrategy(connectedTo, _viewportRuler, _document, _platform, _overlayContainer) {
var _this = this;
this._viewportRuler = _viewportRuler;
this._document = _document;
this._platform = _platform;
this._overlayContainer = _overlayContainer;
/**
* Last size used for the bounding box. Used to avoid resizing the overlay after open.
*/
this._lastBoundingBoxSize = { width: 0, height: 0 };
/**
* Whether the overlay was pushed in a previous positioning.
*/
this._isPushed = false;
/**
* Whether the overlay can be pushed on-screen on the initial open.
*/
this._canPush = true;
/**
* Whether the overlay can grow via flexible width/height after the initial open.
*/
this._growAfterOpen = false;
/**
* Whether the overlay's width and height can be constrained to fit within the viewport.
*/
this._hasFlexibleDimensions = true;
/**
* Whether the overlay position is locked.
*/
this._positionLocked = false;
/**
* Amount of space that must be maintained between the overlay and the edge of the viewport.
*/
this._viewportMargin = 0;
/**
* The Scrollable containers used to check scrollable view properties on position change.
*/
this.scrollables = [];
/**
* Ordered list of preferred positions, from most to least desirable.
*/
this._preferredPositions = [];
/**
* Subject that emits whenever the position changes.
*/
this._positionChanges = new rxjs.Subject();
/**
* Subscription to viewport size changes.
*/
this._resizeSubscription = rxjs.Subscription.EMPTY;
/**
* Default offset for the overlay along the x axis.
*/
this._offsetX = 0;
/**
* Default offset for the overlay along the y axis.
*/
this._offsetY = 0;
/**
* Amount of subscribers to the `positionChanges` stream.
*/
this._positionChangeSubscriptions = 0;
/**
* Keeps track of the CSS classes that the position strategy has applied on the overlay panel.
*/
this._appliedPanelClasses = [];
/**
* Observable sequence of position changes.
*/
this.positionChanges = rxjs.Observable.create(function (observer) {
/** @type {?} */
var subscription = _this._positionChanges.subscribe(observer);
_this._positionChangeSubscriptions++;
return function () {
subscription.unsubscribe();
_this._positionChangeSubscriptions--;
};
});
this.setOrigin(connectedTo);
}
Object.defineProperty(FlexibleConnectedPositionStrategy.prototype, "positions", {
/** Ordered list of preferred positions, from most to least desirable. */
get: /**
* Ordered list of preferred positions, from most to least desirable.
* @return {?}
*/
function () {
return this._preferredPositions;
},
enumerable: true,
configurable: true
});
/** Attaches this position strategy to an overlay. */
/**
* Attaches this position strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.attach = /**
* Attaches this position strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
var _this = this;
if (this._overlayRef && overlayRef !== this._overlayRef) {
throw Error('This position strategy is already attached to an overlay');
}
this._validatePositions();
overlayRef.hostElement.classList.add(boundingBoxClass);
this._overlayRef = overlayRef;
this._boundingBox = overlayRef.hostElement;
this._pane = overlayRef.overlayElement;
this._isDisposed = false;
this._isInitialRender = true;
this._lastPosition = null;
this._resizeSubscription.unsubscribe();
this._resizeSubscription = this._viewportRuler.change().subscribe(function () {
// When the window is resized, we want to trigger the next reposition as if it
// was an initial render, in order for the strategy to pick a new optimal position,
// otherwise position locking will cause it to stay at the old one.
_this._isInitialRender = true;
_this.apply();
});
};
/**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin best fits on-screen.
*
* The selection of a position goes as follows:
* - If any positions fit completely within the viewport as-is,
* choose the first position that does so.
* - If flexible dimensions are enabled and at least one satifies the given minimum width/height,
* choose the position with the greatest available size modified by the positions' weight.
* - If pushing is enabled, take the position that went off-screen the least and push it
* on-screen.
* - If none of the previous criteria were met, use the position that goes off-screen the least.
* @docs-private
*/
/**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin best fits on-screen.
*
* The selection of a position goes as follows:
* - If any positions fit completely within the viewport as-is,
* choose the first position that does so.
* - If flexible dimensions are enabled and at least one satifies the given minimum width/height,
* choose the position with the greatest available size modified by the positions' weight.
* - If pushing is enabled, take the position that went off-screen the least and push it
* on-screen.
* - If none of the previous criteria were met, use the position that goes off-screen the least.
* \@docs-private
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.apply = /**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin best fits on-screen.
*
* The selection of a position goes as follows:
* - If any positions fit completely within the viewport as-is,
* choose the first position that does so.
* - If flexible dimensions are enabled and at least one satifies the given minimum width/height,
* choose the position with the greatest available size modified by the positions' weight.
* - If pushing is enabled, take the position that went off-screen the least and push it
* on-screen.
* - If none of the previous criteria were met, use the position that goes off-screen the least.
* \@docs-private
* @return {?}
*/
function () {
// We shouldn't do anything if the strategy was disposed or we're on the server.
// @breaking-change 8.0.0 Remove `_platform` null check once it's guaranteed to be defined.
if (this._isDisposed || (this._platform && !this._platform.isBrowser)) {
return;
}
// If the position has been applied already (e.g. when the overlay was opened) and the
// consumer opted into locking in the position, re-use the old position, in order to
// prevent the overlay from jumping around.
if (!this._isInitialRender && this._positionLocked && this._lastPosition) {
this.reapplyLastPosition();
return;
}
this._clearPanelClasses();
this._resetOverlayElementStyles();
this._resetBoundingBoxStyles();
// We need the bounding rects for the origin and the overlay to determine how to position
// the overlay relative to the origin.
// We use the viewport rect to determine whether a position would go off-screen.
this._viewportRect = this._getNarrowedViewportRect();
this._originRect = this._origin.getBoundingClientRect();
this._overlayRect = this._pane.getBoundingClientRect();
/** @type {?} */
var originRect = this._originRect;
/** @type {?} */
var overlayRect = this._overlayRect;
/** @type {?} */
var viewportRect = this._viewportRect;
/** @type {?} */
var flexibleFits = [];
/** @type {?} */
var fallback;
// Go through each of the preferred positions looking for a good fit.
// If a good fit is found, it will be applied immediately.
for (var _i = 0, _a = this._preferredPositions; _i < _a.length; _i++) {
var pos = _a[_i];
/** @type {?} */
var originPoint = this._getOriginPoint(originRect, pos);
/** @type {?} */
var overlayPoint = this._getOverlayPoint(originPoint, overlayRect, pos);
/** @type {?} */
var overlayFit = this._getOverlayFit(overlayPoint, overlayRect, viewportRect, pos);
// If the overlay, without any further work, fits into the viewport, use this position.
if (overlayFit.isCompletelyWithinViewport) {
this._isPushed = false;
this._applyPosition(pos, originPoint);
return;
}
// If the overlay has flexible dimensions, we can use this position
// so long as there's enough space for the minimum dimensions.
if (this._canFitWithFlexibleDimensions(overlayFit, overlayPoint, viewportRect)) {
// Save positions where the overlay will fit with flexible dimensions. We will use these
// if none of the positions fit *without* flexible dimensions.
flexibleFits.push({
position: pos,
origin: originPoint,
overlayRect: overlayRect,
boundingBoxRect: this._calculateBoundingBoxRect(originPoint, pos)
});
continue;
}
// If the current preferred position does not fit on the screen, remember the position
// if it has more visible area on-screen than we've seen and move onto the next preferred
// position.
if (!fallback || fallback.overlayFit.visibleArea < overlayFit.visibleArea) {
fallback = { overlayFit: overlayFit, overlayPoint: overlayPoint, originPoint: originPoint, position: pos, overlayRect: overlayRect };
}
}
// If there are any positions where the overlay would fit with flexible dimensions, choose the
// one that has the greatest area available modified by the position's weight
if (flexibleFits.length) {
/** @type {?} */
var bestFit = null;
/** @type {?} */
var bestScore = -1;
for (var _b = 0, flexibleFits_1 = flexibleFits; _b < flexibleFits_1.length; _b++) {
var fit = flexibleFits_1[_b];
/** @type {?} */
var score = fit.boundingBoxRect.width * fit.boundingBoxRect.height * (fit.position.weight || 1);
if (score > bestScore) {
bestScore = score;
bestFit = fit;
}
}
this._isPushed = false;
this._applyPosition(/** @type {?} */ ((bestFit)).position, /** @type {?} */ ((bestFit)).origin);
return;
}
// When none of the preferred positions fit within the viewport, take the position
// that went off-screen the least and attempt to push it on-screen.
if (this._canPush) {
// TODO(jelbourn): after pushing, the opening "direction" of the overlay might not make sense.
this._isPushed = true;
this._applyPosition(/** @type {?} */ ((fallback)).position, /** @type {?} */ ((fallback)).originPoint);
return;
}
// All options for getting the overlay within the viewport have been exhausted, so go with the
// position that went off-screen the least.
this._applyPosition(/** @type {?} */ ((fallback)).position, /** @type {?} */ ((fallback)).originPoint);
};
/**
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.detach = /**
* @return {?}
*/
function () {
this._clearPanelClasses();
this._lastPosition = null;
this._previousPushAmount = null;
this._resizeSubscription.unsubscribe();
};
/** Cleanup after the element gets destroyed. */
/**
* Cleanup after the element gets destroyed.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.dispose = /**
* Cleanup after the element gets destroyed.
* @return {?}
*/
function () {
if (this._isDisposed) {
return;
}
// We can't use `_resetBoundingBoxStyles` here, because it resets
// some properties to zero, rather than removing them.
if (this._boundingBox) {
extendStyles(this._boundingBox.style, /** @type {?} */ ({
top: '',
left: '',
right: '',
bottom: '',
height: '',
width: '',
alignItems: '',
justifyContent: '',
}));
}
if (this._pane) {
this._resetOverlayElementStyles();
}
if (this._overlayRef) {
this._overlayRef.hostElement.classList.remove(boundingBoxClass);
}
this.detach();
this._positionChanges.complete();
this._overlayRef = this._boundingBox = /** @type {?} */ ((null));
this._isDisposed = true;
};
/**
* This re-aligns the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
*/
/**
* This re-aligns the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.reapplyLastPosition = /**
* This re-aligns the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
* @return {?}
*/
function () {
if (!this._isDisposed && (!this._platform || this._platform.isBrowser)) {
this._originRect = this._origin.getBoundingClientRect();
this._overlayRect = this._pane.getBoundingClientRect();
this._viewportRect = this._getNarrowedViewportRect();
/** @type {?} */
var lastPosition = this._lastPosition || this._preferredPositions[0];
/** @type {?} */
var originPoint = this._getOriginPoint(this._originRect, lastPosition);
this._applyPosition(lastPosition, originPoint);
}
};
/**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
*/
/**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
* @param {?} scrollables
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withScrollableContainers = /**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
* @param {?} scrollables
* @return {?}
*/
function (scrollables) {
this.scrollables = scrollables;
};
/**
* Adds new preferred positions.
* @param positions List of positions options for this overlay.
*/
/**
* Adds new preferred positions.
* @param {?} positions List of positions options for this overlay.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withPositions = /**
* Adds new preferred positions.
* @param {?} positions List of positions options for this overlay.
* @return {?}
*/
function (positions) {
this._preferredPositions = positions;
// If the last calculated position object isn't part of the positions anymore, clear
// it in order to avoid it being picked up if the consumer tries to re-apply.
if (positions.indexOf(/** @type {?} */ ((this._lastPosition))) === -1) {
this._lastPosition = null;
}
this._validatePositions();
return this;
};
/**
* Sets a minimum distance the overlay may be positioned to the edge of the viewport.
* @param margin Required margin between the overlay and the viewport edge in pixels.
*/
/**
* Sets a minimum distance the overlay may be positioned to the edge of the viewport.
* @param {?} margin Required margin between the overlay and the viewport edge in pixels.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withViewportMargin = /**
* Sets a minimum distance the overlay may be positioned to the edge of the viewport.
* @param {?} margin Required margin between the overlay and the viewport edge in pixels.
* @return {?}
*/
function (margin) {
this._viewportMargin = margin;
return this;
};
/** Sets whether the overlay's width and height can be constrained to fit within the viewport. */
/**
* Sets whether the overlay's width and height can be constrained to fit within the viewport.
* @param {?=} flexibleDimensions
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withFlexibleDimensions = /**
* Sets whether the overlay's width and height can be constrained to fit within the viewport.
* @param {?=} flexibleDimensions
* @return {?}
*/
function (flexibleDimensions) {
if (flexibleDimensions === void 0) { flexibleDimensions = true; }
this._hasFlexibleDimensions = flexibleDimensions;
return this;
};
/** Sets whether the overlay can grow after the initial open via flexible width/height. */
/**
* Sets whether the overlay can grow after the initial open via flexible width/height.
* @param {?=} growAfterOpen
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withGrowAfterOpen = /**
* Sets whether the overlay can grow after the initial open via flexible width/height.
* @param {?=} growAfterOpen
* @return {?}
*/
function (growAfterOpen) {
if (growAfterOpen === void 0) { growAfterOpen = true; }
this._growAfterOpen = growAfterOpen;
return this;
};
/** Sets whether the overlay can be pushed on-screen if none of the provided positions fit. */
/**
* Sets whether the overlay can be pushed on-screen if none of the provided positions fit.
* @param {?=} canPush
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withPush = /**
* Sets whether the overlay can be pushed on-screen if none of the provided positions fit.
* @param {?=} canPush
* @return {?}
*/
function (canPush) {
if (canPush === void 0) { canPush = true; }
this._canPush = canPush;
return this;
};
/**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param isLocked Whether the overlay should locked in.
*/
/**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param {?=} isLocked Whether the overlay should locked in.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withLockedPosition = /**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param {?=} isLocked Whether the overlay should locked in.
* @return {?}
*/
function (isLocked) {
if (isLocked === void 0) { isLocked = true; }
this._positionLocked = isLocked;
return this;
};
/**
* Sets the origin element, relative to which to position the overlay.
* @param origin Reference to the new origin element.
*/
/**
* Sets the origin element, relative to which to position the overlay.
* @param {?} origin Reference to the new origin element.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.setOrigin = /**
* Sets the origin element, relative to which to position the overlay.
* @param {?} origin Reference to the new origin element.
* @return {?}
*/
function (origin) {
this._origin = origin instanceof core.ElementRef ? origin.nativeElement : origin;
return this;
};
/**
* Sets the default offset for the overlay's connection point on the x-axis.
* @param offset New offset in the X axis.
*/
/**
* Sets the default offset for the overlay's connection point on the x-axis.
* @param {?} offset New offset in the X axis.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withDefaultOffsetX = /**
* Sets the default offset for the overlay's connection point on the x-axis.
* @param {?} offset New offset in the X axis.
* @return {?}
*/
function (offset) {
this._offsetX = offset;
return this;
};
/**
* Sets the default offset for the overlay's connection point on the y-axis.
* @param offset New offset in the Y axis.
*/
/**
* Sets the default offset for the overlay's connection point on the y-axis.
* @param {?} offset New offset in the Y axis.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withDefaultOffsetY = /**
* Sets the default offset for the overlay's connection point on the y-axis.
* @param {?} offset New offset in the Y axis.
* @return {?}
*/
function (offset) {
this._offsetY = offset;
return this;
};
/**
* Configures that the position strategy should set a `transform-origin` on some elements
* inside the overlay, depending on the current position that is being applied. This is
* useful for the cases where the origin of an animation can change depending on the
* alignment of the overlay.
* @param selector CSS selector that will be used to find the target
* elements onto which to set the transform origin.
*/
/**
* Configures that the position strategy should set a `transform-origin` on some elements
* inside the overlay, depending on the current position that is being applied. This is
* useful for the cases where the origin of an animation can change depending on the
* alignment of the overlay.
* @param {?} selector CSS selector that will be used to find the target
* elements onto which to set the transform origin.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype.withTransformOriginOn = /**
* Configures that the position strategy should set a `transform-origin` on some elements
* inside the overlay, depending on the current position that is being applied. This is
* useful for the cases where the origin of an animation can change depending on the
* alignment of the overlay.
* @param {?} selector CSS selector that will be used to find the target
* elements onto which to set the transform origin.
* @return {?}
*/
function (selector) {
this._transformOriginSelector = selector;
return this;
};
/**
* Gets the (x, y) coordinate of a connection point on the origin based on a relative position.
* @param {?} originRect
* @param {?} pos
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getOriginPoint = /**
* Gets the (x, y) coordinate of a connection point on the origin based on a relative position.
* @param {?} originRect
* @param {?} pos
* @return {?}
*/
function (originRect, pos) {
/** @type {?} */
var x;
if (pos.originX == 'center') {
// Note: when centering we should always use the `left`
// offset, otherwise the position will be wrong in RTL.
x = originRect.left + (originRect.width / 2);
}
else {
/** @type {?} */
var startX = this._isRtl() ? originRect.right : originRect.left;
/** @type {?} */
var endX = this._isRtl() ? originRect.left : originRect.right;
x = pos.originX == 'start' ? startX : endX;
}
/** @type {?} */
var y;
if (pos.originY == 'center') {
y = originRect.top + (originRect.height / 2);
}
else {
y = pos.originY == 'top' ? originRect.top : originRect.bottom;
}
return { x: x, y: y };
};
/**
* Gets the (x, y) coordinate of the top-left corner of the overlay given a given position and
* origin point to which the overlay should be connected.
* @param {?} originPoint
* @param {?} overlayRect
* @param {?} pos
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getOverlayPoint = /**
* Gets the (x, y) coordinate of the top-left corner of the overlay given a given position and
* origin point to which the overlay should be connected.
* @param {?} originPoint
* @param {?} overlayRect
* @param {?} pos
* @return {?}
*/
function (originPoint, overlayRect, pos) {
/** @type {?} */
var overlayStartX;
if (pos.overlayX == 'center') {
overlayStartX = -overlayRect.width / 2;
}
else if (pos.overlayX === 'start') {
overlayStartX = this._isRtl() ? -overlayRect.width : 0;
}
else {
overlayStartX = this._isRtl() ? 0 : -overlayRect.width;
}
/** @type {?} */
var overlayStartY;
if (pos.overlayY == 'center') {
overlayStartY = -overlayRect.height / 2;
}
else {
overlayStartY = pos.overlayY == 'top' ? 0 : -overlayRect.height;
}
// The (x, y) coordinates of the overlay.
return {
x: originPoint.x + overlayStartX,
y: originPoint.y + overlayStartY,
};
};
/**
* Gets how well an overlay at the given point will fit within the viewport.
* @param {?} point
* @param {?} overlay
* @param {?} viewport
* @param {?} position
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getOverlayFit = /**
* Gets how well an overlay at the given point will fit within the viewport.
* @param {?} point
* @param {?} overlay
* @param {?} viewport
* @param {?} position
* @return {?}
*/
function (point, overlay, viewport, position) {
var x = point.x, y = point.y;
/** @type {?} */
var offsetX = this._getOffset(position, 'x');
/** @type {?} */
var offsetY = this._getOffset(position, 'y');
// Account for the offsets since they could push the overlay out of the viewport.
if (offsetX) {
x += offsetX;
}
if (offsetY) {
y += offsetY;
}
/** @type {?} */
var leftOverflow = 0 - x;
/** @type {?} */
var rightOverflow = (x + overlay.width) - viewport.width;
/** @type {?} */
var topOverflow = 0 - y;
/** @type {?} */
var bottomOverflow = (y + overlay.height) - viewport.height;
/** @type {?} */
var visibleWidth = this._subtractOverflows(overlay.width, leftOverflow, rightOverflow);
/** @type {?} */
var visibleHeight = this._subtractOverflows(overlay.height, topOverflow, bottomOverflow);
/** @type {?} */
var visibleArea = visibleWidth * visibleHeight;
return {
visibleArea: visibleArea,
isCompletelyWithinViewport: (overlay.width * overlay.height) === visibleArea,
fitsInViewportVertically: visibleHeight === overlay.height,
fitsInViewportHorizontally: visibleWidth == overlay.width,
};
};
/**
* Whether the overlay can fit within the viewport when it may resize either its width or height.
* @param {?} fit How well the overlay fits in the viewport at some position.
* @param {?} point The (x, y) coordinates of the overlat at some position.
* @param {?} viewport The geometry of the viewport.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._canFitWithFlexibleDimensions = /**
* Whether the overlay can fit within the viewport when it may resize either its width or height.
* @param {?} fit How well the overlay fits in the viewport at some position.
* @param {?} point The (x, y) coordinates of the overlat at some position.
* @param {?} viewport The geometry of the viewport.
* @return {?}
*/
function (fit, point, viewport) {
if (this._hasFlexibleDimensions) {
/** @type {?} */
var availableHeight = viewport.bottom - point.y;
/** @type {?} */
var availableWidth = viewport.right - point.x;
/** @type {?} */
var minHeight = this._overlayRef.getConfig().minHeight;
/** @type {?} */
var minWidth = this._overlayRef.getConfig().minWidth;
/** @type {?} */
var verticalFit = fit.fitsInViewportVertically ||
(minHeight != null && minHeight <= availableHeight);
/** @type {?} */
var horizontalFit = fit.fitsInViewportHorizontally ||
(minWidth != null && minWidth <= availableWidth);
return verticalFit && horizontalFit;
}
};
/**
* Gets the point at which the overlay can be "pushed" on-screen. If the overlay is larger than
* the viewport, the top-left corner will be pushed on-screen (with overflow occuring on the
* right and bottom).
*
* @param {?} start Starting point from which the overlay is pushed.
* @param {?} overlay Dimensions of the overlay.
* @param {?} scrollPosition Current viewport scroll position.
* @return {?} The point at which to position the overlay after pushing. This is effectively a new
* originPoint.
*/
FlexibleConnectedPositionStrategy.prototype._pushOverlayOnScreen = /**
* Gets the point at which the overlay can be "pushed" on-screen. If the overlay is larger than
* the viewport, the top-left corner will be pushed on-screen (with overflow occuring on the
* right and bottom).
*
* @param {?} start Starting point from which the overlay is pushed.
* @param {?} overlay Dimensions of the overlay.
* @param {?} scrollPosition Current viewport scroll position.
* @return {?} The point at which to position the overlay after pushing. This is effectively a new
* originPoint.
*/
function (start, overlay, scrollPosition) {
// If the position is locked and we've pushed the overlay already, reuse the previous push
// amount, rather than pushing it again. If we were to continue pushing, the element would
// remain in the viewport, which goes against the expectations when position locking is enabled.
if (this._previousPushAmount && this._positionLocked) {
return {
x: start.x + this._previousPushAmount.x,
y: start.y + this._previousPushAmount.y
};
}
/** @type {?} */
var viewport = this._viewportRect;
/** @type {?} */
var overflowRight = Math.max(start.x + overlay.width - viewport.right, 0);
/** @type {?} */
var overflowBottom = Math.max(start.y + overlay.height - viewport.bottom, 0);
/** @type {?} */
var overflowTop = Math.max(viewport.top - scrollPosition.top - start.y, 0);
/** @type {?} */
var overflowLeft = Math.max(viewport.left - scrollPosition.left - start.x, 0);
/** @type {?} */
var pushX = 0;
/** @type {?} */
var pushY = 0;
// If the overlay fits completely within the bounds of the viewport, push it from whichever
// direction is goes off-screen. Otherwise, push the top-left corner such that its in the
// viewport and allow for the trailing end of the overlay to go out of bounds.
if (overlay.width < viewport.width) {
pushX = overflowLeft || -overflowRight;
}
else {
pushX = start.x < this._viewportMargin ? (viewport.left - scrollPosition.left) - start.x : 0;
}
if (overlay.height < viewport.height) {
pushY = overflowTop || -overflowBottom;
}
else {
pushY = start.y < this._viewportMargin ? (viewport.top - scrollPosition.top) - start.y : 0;
}
this._previousPushAmount = { x: pushX, y: pushY };
return {
x: start.x + pushX,
y: start.y + pushY,
};
};
/**
* Applies a computed position to the overlay and emits a position change.
* @param {?} position The position preference
* @param {?} originPoint The point on the origin element where the overlay is connected.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._applyPosition = /**
* Applies a computed position to the overlay and emits a position change.
* @param {?} position The position preference
* @param {?} originPoint The point on the origin element where the overlay is connected.
* @return {?}
*/
function (position, originPoint) {
this._setTransformOrigin(position);
this._setOverlayElementStyles(originPoint, position);
this._setBoundingBoxStyles(originPoint, position);
if (position.panelClass) {
this._addPanelClasses(position.panelClass);
}
// Save the last connected position in case the position needs to be re-calculated.
this._lastPosition = position;
// Notify that the position has been changed along with its change properties.
// We only emit if we've got any subscriptions, because the scroll visibility
// calculcations can be somewhat expensive.
if (this._positionChangeSubscriptions > 0) {
/** @type {?} */
var scrollableViewProperties = this._getScrollVisibility();
/** @type {?} */
var changeEvent = new ConnectedOverlayPositionChange(position, scrollableViewProperties);
this._positionChanges.next(changeEvent);
}
this._isInitialRender = false;
};
/**
* Sets the transform origin based on the configured selector and the passed-in position.
* @param {?} position
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._setTransformOrigin = /**
* Sets the transform origin based on the configured selector and the passed-in position.
* @param {?} position
* @return {?}
*/
function (position) {
if (!this._transformOriginSelector) {
return;
}
/** @type {?} */
var elements = /** @type {?} */ ((this._boundingBox)).querySelectorAll(this._transformOriginSelector);
/** @type {?} */
var xOrigin;
/** @type {?} */
var yOrigin = position.overlayY;
if (position.overlayX === 'center') {
xOrigin = 'center';
}
else if (this._isRtl()) {
xOrigin = position.overlayX === 'start' ? 'right' : 'left';
}
else {
xOrigin = position.overlayX === 'start' ? 'left' : 'right';
}
for (var i = 0; i < elements.length; i++) {
elements[i].style.transformOrigin = xOrigin + " " + yOrigin;
}
};
/**
* Gets the position and size of the overlay's sizing container.
*
* This method does no measuring and applies no styles so that we can cheaply compute the
* bounds for all positions and choose the best fit based on these results.
* @param {?} origin
* @param {?} position
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._calculateBoundingBoxRect = /**
* Gets the position and size of the overlay's sizing container.
*
* This method does no measuring and applies no styles so that we can cheaply compute the
* bounds for all positions and choose the best fit based on these results.
* @param {?} origin
* @param {?} position
* @return {?}
*/
function (origin, position) {
/** @type {?} */
var viewport = this._viewportRect;
/** @type {?} */
var isRtl = this._isRtl();
/** @type {?} */
var height;
/** @type {?} */
var top;
/** @type {?} */
var bottom;
if (position.overlayY === 'top') {
// Overlay is opening "downward" and thus is bound by the bottom viewport edge.
top = origin.y;
height = viewport.bottom - origin.y;
}
else if (position.overlayY === 'bottom') {
// Overlay is opening "upward" and thus is bound by the top viewport edge. We need to add
// the viewport margin back in, because the viewport rect is narrowed down to remove the
// margin, whereas the `origin` position is calculated based on its `ClientRect`.
bottom = viewport.height - origin.y + this._viewportMargin * 2;
height = viewport.height - bottom + this._viewportMargin;
}
else {
/** @type {?} */
var smallestDistanceToViewportEdge = Math.min(viewport.bottom - origin.y + viewport.top, origin.y);
/** @type {?} */
var previousHeight = this._lastBoundingBoxSize.height;
height = smallestDistanceToViewportEdge * 2;
top = origin.y - smallestDistanceToViewportEdge;
if (height > previousHeight && !this._isInitialRender && !this._growAfterOpen) {
top = origin.y - (previousHeight / 2);
}
}
/** @type {?} */
var isBoundedByRightViewportEdge = (position.overlayX === 'start' && !isRtl) ||
(position.overlayX === 'end' && isRtl);
/** @type {?} */
var isBoundedByLeftViewportEdge = (position.overlayX === 'end' && !isRtl) ||
(position.overlayX === 'start' && isRtl);
/** @type {?} */
var width;
/** @type {?} */
var left;
/** @type {?} */
var right;
if (isBoundedByLeftViewportEdge) {
right = viewport.right - origin.x + this._viewportMargin;
width = origin.x - viewport.left;
}
else if (isBoundedByRightViewportEdge) {
left = origin.x;
width = viewport.right - origin.x;
}
else {
/** @type {?} */
var smallestDistanceToViewportEdge = Math.min(viewport.right - origin.x + viewport.left, origin.x);
/** @type {?} */
var previousWidth = this._lastBoundingBoxSize.width;
width = smallestDistanceToViewportEdge * 2;
left = origin.x - smallestDistanceToViewportEdge;
if (width > previousWidth && !this._isInitialRender && !this._growAfterOpen) {
left = origin.x - (previousWidth / 2);
}
}
return { top: /** @type {?} */ ((top)), left: /** @type {?} */ ((left)), bottom: /** @type {?} */ ((bottom)), right: /** @type {?} */ ((right)), width: width, height: height };
};
/**
* Sets the position and size of the overlay's sizing wrapper. The wrapper is positioned on the
* origin's connection point and stetches to the bounds of the viewport.
*
* @param {?} origin The point on the origin element where the overlay is connected.
* @param {?} position The position preference
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._setBoundingBoxStyles = /**
* Sets the position and size of the overlay's sizing wrapper. The wrapper is positioned on the
* origin's connection point and stetches to the bounds of the viewport.
*
* @param {?} origin The point on the origin element where the overlay is connected.
* @param {?} position The position preference
* @return {?}
*/
function (origin, position) {
/** @type {?} */
var boundingBoxRect = this._calculateBoundingBoxRect(origin, position);
// It's weird if the overlay *grows* while scrolling, so we take the last size into account
// when applying a new size.
if (!this._isInitialRender && !this._growAfterOpen) {
boundingBoxRect.height = Math.min(boundingBoxRect.height, this._lastBoundingBoxSize.height);
boundingBoxRect.width = Math.min(boundingBoxRect.width, this._lastBoundingBoxSize.width);
}
/** @type {?} */
var styles = /** @type {?} */ ({});
if (this._hasExactPosition()) {
styles.top = styles.left = '0';
styles.bottom = styles.right = '';
styles.width = styles.height = '100%';
}
else {
/** @type {?} */
var maxHeight = this._overlayRef.getConfig().maxHeight;
/** @type {?} */
var maxWidth = this._overlayRef.getConfig().maxWidth;
styles.height = coercion.coerceCssPixelValue(boundingBoxRect.height);
styles.top = coercion.coerceCssPixelValue(boundingBoxRect.top);
styles.bottom = coercion.coerceCssPixelValue(boundingBoxRect.bottom);
styles.width = coercion.coerceCssPixelValue(boundingBoxRect.width);
styles.left = coercion.coerceCssPixelValue(boundingBoxRect.left);
styles.right = coercion.coerceCssPixelValue(boundingBoxRect.right);
// Push the pane content towards the proper direction.
if (position.overlayX === 'center') {
styles.alignItems = 'center';
}
else {
styles.alignItems = position.overlayX === 'end' ? 'flex-end' : 'flex-start';
}
if (position.overlayY === 'center') {
styles.justifyContent = 'center';
}
else {
styles.justifyContent = position.overlayY === 'bottom' ? 'flex-end' : 'flex-start';
}
if (maxHeight) {
styles.maxHeight = coercion.coerceCssPixelValue(maxHeight);
}
if (maxWidth) {
styles.maxWidth = coercion.coerceCssPixelValue(maxWidth);
}
}
this._lastBoundingBoxSize = boundingBoxRect;
extendStyles(/** @type {?} */ ((this._boundingBox)).style, styles);
};
/**
* Resets the styles for the bounding box so that a new positioning can be computed.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._resetBoundingBoxStyles = /**
* Resets the styles for the bounding box so that a new positioning can be computed.
* @return {?}
*/
function () {
extendStyles(/** @type {?} */ ((this._boundingBox)).style, /** @type {?} */ ({
top: '0',
left: '0',
right: '0',
bottom: '0',
height: '',
width: '',
alignItems: '',
justifyContent: '',
}));
};
/**
* Resets the styles for the overlay pane so that a new positioning can be computed.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._resetOverlayElementStyles = /**
* Resets the styles for the overlay pane so that a new positioning can be computed.
* @return {?}
*/
function () {
extendStyles(this._pane.style, /** @type {?} */ ({
top: '',
left: '',
bottom: '',
right: '',
position: '',
}));
};
/**
* Sets positioning styles to the overlay element.
* @param {?} originPoint
* @param {?} position
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._setOverlayElementStyles = /**
* Sets positioning styles to the overlay element.
* @param {?} originPoint
* @param {?} position
* @return {?}
*/
function (originPoint, position) {
/** @type {?} */
var styles = /** @type {?} */ ({});
if (this._hasExactPosition()) {
/** @type {?} */
var scrollPosition = this._viewportRuler.getViewportScrollPosition();
extendStyles(styles, this._getExactOverlayY(position, originPoint, scrollPosition));
extendStyles(styles, this._getExactOverlayX(position, originPoint, scrollPosition));
}
else {
styles.position = 'static';
}
/** @type {?} */
var transformString = '';
/** @type {?} */
var offsetX = this._getOffset(position, 'x');
/** @type {?} */
var offsetY = this._getOffset(position, 'y');
if (offsetX) {
transformString += "translateX(" + offsetX + "px) ";
}
if (offsetY) {
transformString += "translateY(" + offsetY + "px)";
}
styles.transform = transformString.trim();
// If a maxWidth or maxHeight is specified on the overlay, we remove them. We do this because
// we need these values to both be set to "100%" for the automatic flexible sizing to work.
// The maxHeight and maxWidth are set on the boundingBox in order to enforce the constraint.
if (this._hasFlexibleDimensions && this._overlayRef.getConfig().maxHeight) {
styles.maxHeight = '';
}
if (this._hasFlexibleDimensions && this._overlayRef.getConfig().maxWidth) {
styles.maxWidth = '';
}
extendStyles(this._pane.style, styles);
};
/**
* Gets the exact top/bottom for the overlay when not using flexible sizing or when pushing.
* @param {?} position
* @param {?} originPoint
* @param {?} scrollPosition
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getExactOverlayY = /**
* Gets the exact top/bottom for the overlay when not using flexible sizing or when pushing.
* @param {?} position
* @param {?} originPoint
* @param {?} scrollPosition
* @return {?}
*/
function (position, originPoint, scrollPosition) {
/** @type {?} */
var styles = /** @type {?} */ ({ top: null, bottom: null });
/** @type {?} */
var overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);
if (this._isPushed) {
overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);
}
/** @type {?} */
var virtualKeyboardOffset = this._overlayContainer ?
this._overlayContainer.getContainerElement().getBoundingClientRect().top : 0;
// Normally this would be zero, however when the overlay is attached to an input (e.g. in an
// autocomplete), mobile browsers will shift everything in order to put the input in the middle
// of the screen and to make space for the virtual keyboard. We need to account for this offset,
// otherwise our positioning will be thrown off.
overlayPoint.y -= virtualKeyboardOffset;
// We want to set either `top` or `bottom` based on whether the overlay wants to appear
// above or below the origin and the direction in which the element will expand.
if (position.overlayY === 'bottom') {
/** @type {?} */
var documentHeight = /** @type {?} */ ((this._document.documentElement)).clientHeight;
styles.bottom = documentHeight - (overlayPoint.y + this._overlayRect.height) + "px";
}
else {
styles.top = coercion.coerceCssPixelValue(overlayPoint.y);
}
return styles;
};
/**
* Gets the exact left/right for the overlay when not using flexible sizing or when pushing.
* @param {?} position
* @param {?} originPoint
* @param {?} scrollPosition
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getExactOverlayX = /**
* Gets the exact left/right for the overlay when not using flexible sizing or when pushing.
* @param {?} position
* @param {?} originPoint
* @param {?} scrollPosition
* @return {?}
*/
function (position, originPoint, scrollPosition) {
/** @type {?} */
var styles = /** @type {?} */ ({ left: null, right: null });
/** @type {?} */
var overlayPoint = this._getOverlayPoint(originPoint, this._overlayRect, position);
if (this._isPushed) {
overlayPoint = this._pushOverlayOnScreen(overlayPoint, this._overlayRect, scrollPosition);
}
/** @type {?} */
var horizontalStyleProperty;
if (this._isRtl()) {
horizontalStyleProperty = position.overlayX === 'end' ? 'left' : 'right';
}
else {
horizontalStyleProperty = position.overlayX === 'end' ? 'right' : 'left';
}
// When we're setting `right`, we adjust the x position such that it is the distance
// from the right edge of the viewport rather than the left edge.
if (horizontalStyleProperty === 'right') {
/** @type {?} */
var documentWidth = /** @type {?} */ ((this._document.documentElement)).clientWidth;
styles.right = documentWidth - (overlayPoint.x + this._overlayRect.width) + "px";
}
else {
styles.left = coercion.coerceCssPixelValue(overlayPoint.x);
}
return styles;
};
/**
* Gets the view properties of the trigger and overlay, including whether they are clipped
* or completely outside the view of any of the strategy's scrollables.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getScrollVisibility = /**
* Gets the view properties of the trigger and overlay, including whether they are clipped
* or completely outside the view of any of the strategy's scrollables.
* @return {?}
*/
function () {
/** @type {?} */
var originBounds = this._origin.getBoundingClientRect();
/** @type {?} */
var overlayBounds = this._pane.getBoundingClientRect();
/** @type {?} */
var scrollContainerBounds = this.scrollables.map(function (scrollable) {
return scrollable.getElementRef().nativeElement.getBoundingClientRect();
});
return {
isOriginClipped: isElementClippedByScrolling(originBounds, scrollContainerBounds),
isOriginOutsideView: isElementScrolledOutsideView(originBounds, scrollContainerBounds),
isOverlayClipped: isElementClippedByScrolling(overlayBounds, scrollContainerBounds),
isOverlayOutsideView: isElementScrolledOutsideView(overlayBounds, scrollContainerBounds),
};
};
/**
* Subtracts the amount that an element is overflowing on an axis from it's length.
* @param {?} length
* @param {...?} overflows
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._subtractOverflows = /**
* Subtracts the amount that an element is overflowing on an axis from it's length.
* @param {?} length
* @param {...?} overflows
* @return {?}
*/
function (length) {
var overflows = [];
for (var _i = 1; _i < arguments.length; _i++) {
overflows[_i - 1] = arguments[_i];
}
return overflows.reduce(function (currentValue, currentOverflow) {
return currentValue - Math.max(currentOverflow, 0);
}, length);
};
/**
* Narrows the given viewport rect by the current _viewportMargin.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getNarrowedViewportRect = /**
* Narrows the given viewport rect by the current _viewportMargin.
* @return {?}
*/
function () {
/** @type {?} */
var width = /** @type {?} */ ((this._document.documentElement)).clientWidth;
/** @type {?} */
var height = /** @type {?} */ ((this._document.documentElement)).clientHeight;
/** @type {?} */
var scrollPosition = this._viewportRuler.getViewportScrollPosition();
return {
top: scrollPosition.top + this._viewportMargin,
left: scrollPosition.left + this._viewportMargin,
right: scrollPosition.left + width - this._viewportMargin,
bottom: scrollPosition.top + height - this._viewportMargin,
width: width - (2 * this._viewportMargin),
height: height - (2 * this._viewportMargin),
};
};
/**
* Whether the we're dealing with an RTL context
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._isRtl = /**
* Whether the we're dealing with an RTL context
* @return {?}
*/
function () {
return this._overlayRef.getDirection() === 'rtl';
};
/**
* Determines whether the overlay uses exact or flexible positioning.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._hasExactPosition = /**
* Determines whether the overlay uses exact or flexible positioning.
* @return {?}
*/
function () {
return !this._hasFlexibleDimensions || this._isPushed;
};
/**
* Retrieves the offset of a position along the x or y axis.
* @param {?} position
* @param {?} axis
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._getOffset = /**
* Retrieves the offset of a position along the x or y axis.
* @param {?} position
* @param {?} axis
* @return {?}
*/
function (position, axis) {
if (axis === 'x') {
// We don't do something like `position['offset' + axis]` in
// order to avoid breking minifiers that rename properties.
return position.offsetX == null ? this._offsetX : position.offsetX;
}
return position.offsetY == null ? this._offsetY : position.offsetY;
};
/**
* Validates that the current position match the expected values.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._validatePositions = /**
* Validates that the current position match the expected values.
* @return {?}
*/
function () {
if (!this._preferredPositions.length) {
throw Error('FlexibleConnectedPositionStrategy: At least one position is required.');
}
// TODO(crisbeto): remove these once Angular's template type
// checking is advanced enough to catch these cases.
this._preferredPositions.forEach(function (pair) {
validateHorizontalPosition('originX', pair.originX);
validateVerticalPosition('originY', pair.originY);
validateHorizontalPosition('overlayX', pair.overlayX);
validateVerticalPosition('overlayY', pair.overlayY);
});
};
/**
* Adds a single CSS class or an array of classes on the overlay panel.
* @param {?} cssClasses
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._addPanelClasses = /**
* Adds a single CSS class or an array of classes on the overlay panel.
* @param {?} cssClasses
* @return {?}
*/
function (cssClasses) {
var _this = this;
if (this._pane) {
coercion.coerceArray(cssClasses).forEach(function (cssClass) {
if (_this._appliedPanelClasses.indexOf(cssClass) === -1) {
_this._appliedPanelClasses.push(cssClass);
_this._pane.classList.add(cssClass);
}
});
}
};
/**
* Clears the classes that the position strategy has applied from the overlay panel.
* @return {?}
*/
FlexibleConnectedPositionStrategy.prototype._clearPanelClasses = /**
* Clears the classes that the position strategy has applied from the overlay panel.
* @return {?}
*/
function () {
var _this = this;
if (this._pane) {
this._appliedPanelClasses.forEach(function (cssClass) { return _this._pane.classList.remove(cssClass); });
this._appliedPanelClasses = [];
}
};
return FlexibleConnectedPositionStrategy;
}());
/**
* Shallow-extends a stylesheet object with another stylesheet object.
* @param {?} dest
* @param {?} source
* @return {?}
*/
function extendStyles(dest, source) {
for (var key in source) {
if (source.hasOwnProperty(key)) {
dest[key] = source[key];
}
}
return dest;
}
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* implicit position relative to some origin element. The relative position is defined in terms of
* a point on the origin element that is connected to a point on the overlay element. For example,
* a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner
* of the overlay.
* @deprecated Use `FlexibleConnectedPositionStrategy` instead.
* \@breaking-change 8.0.0
*/
var /**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* implicit position relative to some origin element. The relative position is defined in terms of
* a point on the origin element that is connected to a point on the overlay element. For example,
* a basic dropdown is connecting the bottom-left corner of the origin to the top-left corner
* of the overlay.
* @deprecated Use `FlexibleConnectedPositionStrategy` instead.
* \@breaking-change 8.0.0
*/
ConnectedPositionStrategy = /** @class */ (function () {
function ConnectedPositionStrategy(originPos, overlayPos, connectedTo, viewportRuler, document,
// @breaking-change 8.0.0 `platform` parameter to be made required.
platform$$1) {
/**
* Ordered list of preferred positions, from most to least desirable.
*/
this._preferredPositions = [];
// Since the `ConnectedPositionStrategy` is deprecated and we don't want to maintain
// the extra logic, we create an instance of the positioning strategy that has some
// defaults that make it behave as the old position strategy and to which we'll
// proxy all of the API calls.
this._positionStrategy =
new FlexibleConnectedPositionStrategy(connectedTo, viewportRuler, document, platform$$1)
.withFlexibleDimensions(false)
.withPush(false)
.withViewportMargin(0);
this.withFallbackPosition(originPos, overlayPos);
}
Object.defineProperty(ConnectedPositionStrategy.prototype, "_isRtl", {
/** Whether the we're dealing with an RTL context */
get: /**
* Whether the we're dealing with an RTL context
* @return {?}
*/
function () {
return this._overlayRef.getDirection() === 'rtl';
},
enumerable: true,
configurable: true
});
Object.defineProperty(ConnectedPositionStrategy.prototype, "onPositionChange", {
/** Emits an event when the connection point changes. */
get: /**
* Emits an event when the connection point changes.
* @return {?}
*/
function () {
return this._positionStrategy.positionChanges;
},
enumerable: true,
configurable: true
});
Object.defineProperty(ConnectedPositionStrategy.prototype, "positions", {
/** Ordered list of preferred positions, from most to least desirable. */
get: /**
* Ordered list of preferred positions, from most to least desirable.
* @return {?}
*/
function () {
return this._preferredPositions;
},
enumerable: true,
configurable: true
});
/** Attach this position strategy to an overlay. */
/**
* Attach this position strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
ConnectedPositionStrategy.prototype.attach = /**
* Attach this position strategy to an overlay.
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
this._overlayRef = overlayRef;
this._positionStrategy.attach(overlayRef);
if (this._direction) {
overlayRef.setDirection(this._direction);
this._direction = null;
}
};
/** Disposes all resources used by the position strategy. */
/**
* Disposes all resources used by the position strategy.
* @return {?}
*/
ConnectedPositionStrategy.prototype.dispose = /**
* Disposes all resources used by the position strategy.
* @return {?}
*/
function () {
this._positionStrategy.dispose();
};
/** @docs-private */
/**
* \@docs-private
* @return {?}
*/
ConnectedPositionStrategy.prototype.detach = /**
* \@docs-private
* @return {?}
*/
function () {
this._positionStrategy.detach();
};
/**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin fits on-screen.
* @docs-private
*/
/**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin fits on-screen.
* \@docs-private
* @return {?}
*/
ConnectedPositionStrategy.prototype.apply = /**
* Updates the position of the overlay element, using whichever preferred position relative
* to the origin fits on-screen.
* \@docs-private
* @return {?}
*/
function () {
this._positionStrategy.apply();
};
/**
* Re-positions the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
*/
/**
* Re-positions the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
* @return {?}
*/
ConnectedPositionStrategy.prototype.recalculateLastPosition = /**
* Re-positions the overlay element with the trigger in its last calculated position,
* even if a position higher in the "preferred positions" list would now fit. This
* allows one to re-align the panel without changing the orientation of the panel.
* @return {?}
*/
function () {
this._positionStrategy.reapplyLastPosition();
};
/**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
*/
/**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
* @param {?} scrollables
* @return {?}
*/
ConnectedPositionStrategy.prototype.withScrollableContainers = /**
* Sets the list of Scrollable containers that host the origin element so that
* on reposition we can evaluate if it or the overlay has been clipped or outside view. Every
* Scrollable must be an ancestor element of the strategy's origin element.
* @param {?} scrollables
* @return {?}
*/
function (scrollables) {
this._positionStrategy.withScrollableContainers(scrollables);
};
/**
* Adds a new preferred fallback position.
* @param originPos
* @param overlayPos
*/
/**
* Adds a new preferred fallback position.
* @param {?} originPos
* @param {?} overlayPos
* @param {?=} offsetX
* @param {?=} offsetY
* @return {?}
*/
ConnectedPositionStrategy.prototype.withFallbackPosition = /**
* Adds a new preferred fallback position.
* @param {?} originPos
* @param {?} overlayPos
* @param {?=} offsetX
* @param {?=} offsetY
* @return {?}
*/
function (originPos, overlayPos, offsetX, offsetY) {
/** @type {?} */
var position = new ConnectionPositionPair(originPos, overlayPos, offsetX, offsetY);
this._preferredPositions.push(position);
this._positionStrategy.withPositions(this._preferredPositions);
return this;
};
/**
* Sets the layout direction so the overlay's position can be adjusted to match.
* @param dir New layout direction.
*/
/**
* Sets the layout direction so the overlay's position can be adjusted to match.
* @param {?} dir New layout direction.
* @return {?}
*/
ConnectedPositionStrategy.prototype.withDirection = /**
* Sets the layout direction so the overlay's position can be adjusted to match.
* @param {?} dir New layout direction.
* @return {?}
*/
function (dir) {
// Since the direction might be declared before the strategy is attached,
// we save the value in a temporary property and we'll transfer it to the
// overlay ref on attachment.
if (this._overlayRef) {
this._overlayRef.setDirection(dir);
}
else {
this._direction = dir;
}
return this;
};
/**
* Sets an offset for the overlay's connection point on the x-axis
* @param offset New offset in the X axis.
*/
/**
* Sets an offset for the overlay's connection point on the x-axis
* @param {?} offset New offset in the X axis.
* @return {?}
*/
ConnectedPositionStrategy.prototype.withOffsetX = /**
* Sets an offset for the overlay's connection point on the x-axis
* @param {?} offset New offset in the X axis.
* @return {?}
*/
function (offset) {
this._positionStrategy.withDefaultOffsetX(offset);
return this;
};
/**
* Sets an offset for the overlay's connection point on the y-axis
* @param offset New offset in the Y axis.
*/
/**
* Sets an offset for the overlay's connection point on the y-axis
* @param {?} offset New offset in the Y axis.
* @return {?}
*/
ConnectedPositionStrategy.prototype.withOffsetY = /**
* Sets an offset for the overlay's connection point on the y-axis
* @param {?} offset New offset in the Y axis.
* @return {?}
*/
function (offset) {
this._positionStrategy.withDefaultOffsetY(offset);
return this;
};
/**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param isLocked Whether the overlay should locked in.
*/
/**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param {?} isLocked Whether the overlay should locked in.
* @return {?}
*/
ConnectedPositionStrategy.prototype.withLockedPosition = /**
* Sets whether the overlay's position should be locked in after it is positioned
* initially. When an overlay is locked in, it won't attempt to reposition itself
* when the position is re-applied (e.g. when the user scrolls away).
* @param {?} isLocked Whether the overlay should locked in.
* @return {?}
*/
function (isLocked) {
this._positionStrategy.withLockedPosition(isLocked);
return this;
};
/**
* Overwrites the current set of positions with an array of new ones.
* @param positions Position pairs to be set on the strategy.
*/
/**
* Overwrites the current set of positions with an array of new ones.
* @param {?} positions Position pairs to be set on the strategy.
* @return {?}
*/
ConnectedPositionStrategy.prototype.withPositions = /**
* Overwrites the current set of positions with an array of new ones.
* @param {?} positions Position pairs to be set on the strategy.
* @return {?}
*/
function (positions) {
this._preferredPositions = positions.slice();
this._positionStrategy.withPositions(this._preferredPositions);
return this;
};
/**
* Sets the origin element, relative to which to position the overlay.
* @param origin Reference to the new origin element.
*/
/**
* Sets the origin element, relative to which to position the overlay.
* @param {?} origin Reference to the new origin element.
* @return {?}
*/
ConnectedPositionStrategy.prototype.setOrigin = /**
* Sets the origin element, relative to which to position the overlay.
* @param {?} origin Reference to the new origin element.
* @return {?}
*/
function (origin) {
this._positionStrategy.setOrigin(origin);
return this;
};
return ConnectedPositionStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/** *
* Class to be added to the overlay pane wrapper.
@type {?} */
var wrapperClass = 'cdk-global-overlay-wrapper';
/**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* explicit position relative to the browser's viewport. We use flexbox, instead of
* transforms, in order to avoid issues with subpixel rendering which can cause the
* element to become blurry.
*/
var /**
* A strategy for positioning overlays. Using this strategy, an overlay is given an
* explicit position relative to the browser's viewport. We use flexbox, instead of
* transforms, in order to avoid issues with subpixel rendering which can cause the
* element to become blurry.
*/
GlobalPositionStrategy = /** @class */ (function () {
function GlobalPositionStrategy() {
this._cssPosition = 'static';
this._topOffset = '';
this._bottomOffset = '';
this._leftOffset = '';
this._rightOffset = '';
this._alignItems = '';
this._justifyContent = '';
this._width = '';
this._height = '';
}
/**
* @param {?} overlayRef
* @return {?}
*/
GlobalPositionStrategy.prototype.attach = /**
* @param {?} overlayRef
* @return {?}
*/
function (overlayRef) {
/** @type {?} */
var config = overlayRef.getConfig();
this._overlayRef = overlayRef;
if (this._width && !config.width) {
overlayRef.updateSize({ width: this._width });
}
if (this._height && !config.height) {
overlayRef.updateSize({ height: this._height });
}
overlayRef.hostElement.classList.add(wrapperClass);
this._isDisposed = false;
};
/**
* Sets the top position of the overlay. Clears any previously set vertical position.
* @param value New top offset.
*/
/**
* Sets the top position of the overlay. Clears any previously set vertical position.
* @param {?=} value New top offset.
* @return {?}
*/
GlobalPositionStrategy.prototype.top = /**
* Sets the top position of the overlay. Clears any previously set vertical position.
* @param {?=} value New top offset.
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
this._bottomOffset = '';
this._topOffset = value;
this._alignItems = 'flex-start';
return this;
};
/**
* Sets the left position of the overlay. Clears any previously set horizontal position.
* @param value New left offset.
*/
/**
* Sets the left position of the overlay. Clears any previously set horizontal position.
* @param {?=} value New left offset.
* @return {?}
*/
GlobalPositionStrategy.prototype.left = /**
* Sets the left position of the overlay. Clears any previously set horizontal position.
* @param {?=} value New left offset.
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
this._rightOffset = '';
this._leftOffset = value;
this._justifyContent = 'flex-start';
return this;
};
/**
* Sets the bottom position of the overlay. Clears any previously set vertical position.
* @param value New bottom offset.
*/
/**
* Sets the bottom position of the overlay. Clears any previously set vertical position.
* @param {?=} value New bottom offset.
* @return {?}
*/
GlobalPositionStrategy.prototype.bottom = /**
* Sets the bottom position of the overlay. Clears any previously set vertical position.
* @param {?=} value New bottom offset.
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
this._topOffset = '';
this._bottomOffset = value;
this._alignItems = 'flex-end';
return this;
};
/**
* Sets the right position of the overlay. Clears any previously set horizontal position.
* @param value New right offset.
*/
/**
* Sets the right position of the overlay. Clears any previously set horizontal position.
* @param {?=} value New right offset.
* @return {?}
*/
GlobalPositionStrategy.prototype.right = /**
* Sets the right position of the overlay. Clears any previously set horizontal position.
* @param {?=} value New right offset.
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
this._leftOffset = '';
this._rightOffset = value;
this._justifyContent = 'flex-end';
return this;
};
/**
* Sets the overlay width and clears any previously set width.
* @param value New width for the overlay
* @deprecated Pass the `width` through the `OverlayConfig`.
* @breaking-change 8.0.0
*/
/**
* Sets the overlay width and clears any previously set width.
* @deprecated Pass the `width` through the `OverlayConfig`.
* \@breaking-change 8.0.0
* @param {?=} value New width for the overlay
* @return {?}
*/
GlobalPositionStrategy.prototype.width = /**
* Sets the overlay width and clears any previously set width.
* @deprecated Pass the `width` through the `OverlayConfig`.
* \@breaking-change 8.0.0
* @param {?=} value New width for the overlay
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
if (this._overlayRef) {
this._overlayRef.updateSize({ width: value });
}
else {
this._width = value;
}
return this;
};
/**
* Sets the overlay height and clears any previously set height.
* @param value New height for the overlay
* @deprecated Pass the `height` through the `OverlayConfig`.
* @breaking-change 8.0.0
*/
/**
* Sets the overlay height and clears any previously set height.
* @deprecated Pass the `height` through the `OverlayConfig`.
* \@breaking-change 8.0.0
* @param {?=} value New height for the overlay
* @return {?}
*/
GlobalPositionStrategy.prototype.height = /**
* Sets the overlay height and clears any previously set height.
* @deprecated Pass the `height` through the `OverlayConfig`.
* \@breaking-change 8.0.0
* @param {?=} value New height for the overlay
* @return {?}
*/
function (value) {
if (value === void 0) { value = ''; }
if (this._overlayRef) {
this._overlayRef.updateSize({ height: value });
}
else {
this._height = value;
}
return this;
};
/**
* Centers the overlay horizontally with an optional offset.
* Clears any previously set horizontal position.
*
* @param offset Overlay offset from the horizontal center.
*/
/**
* Centers the overlay horizontally with an optional offset.
* Clears any previously set horizontal position.
*
* @param {?=} offset Overlay offset from the horizontal center.
* @return {?}
*/
GlobalPositionStrategy.prototype.centerHorizontally = /**
* Centers the overlay horizontally with an optional offset.
* Clears any previously set horizontal position.
*
* @param {?=} offset Overlay offset from the horizontal center.
* @return {?}
*/
function (offset) {
if (offset === void 0) { offset = ''; }
this.left(offset);
this._justifyContent = 'center';
return this;
};
/**
* Centers the overlay vertically with an optional offset.
* Clears any previously set vertical position.
*
* @param offset Overlay offset from the vertical center.
*/
/**
* Centers the overlay vertically with an optional offset.
* Clears any previously set vertical position.
*
* @param {?=} offset Overlay offset from the vertical center.
* @return {?}
*/
GlobalPositionStrategy.prototype.centerVertically = /**
* Centers the overlay vertically with an optional offset.
* Clears any previously set vertical position.
*
* @param {?=} offset Overlay offset from the vertical center.
* @return {?}
*/
function (offset) {
if (offset === void 0) { offset = ''; }
this.top(offset);
this._alignItems = 'center';
return this;
};
/**
* Apply the position to the element.
* @docs-private
*/
/**
* Apply the position to the element.
* \@docs-private
* @return {?}
*/
GlobalPositionStrategy.prototype.apply = /**
* Apply the position to the element.
* \@docs-private
* @return {?}
*/
function () {
// Since the overlay ref applies the strategy asynchronously, it could
// have been disposed before it ends up being applied. If that is the
// case, we shouldn't do anything.
if (!this._overlayRef || !this._overlayRef.hasAttached()) {
return;
}
/** @type {?} */
var styles = this._overlayRef.overlayElement.style;
/** @type {?} */
var parentStyles = this._overlayRef.hostElement.style;
/** @type {?} */
var config = this._overlayRef.getConfig();
styles.position = this._cssPosition;
styles.marginLeft = config.width === '100%' ? '0' : this._leftOffset;
styles.marginTop = config.height === '100%' ? '0' : this._topOffset;
styles.marginBottom = this._bottomOffset;
styles.marginRight = this._rightOffset;
if (config.width === '100%') {
parentStyles.justifyContent = 'flex-start';
}
else if (this._justifyContent === 'center') {
parentStyles.justifyContent = 'center';
}
else if (this._overlayRef.getConfig().direction === 'rtl') {
// In RTL the browser will invert `flex-start` and `flex-end` automatically, but we
// don't want that because our positioning is explicitly `left` and `right`, hence
// why we do another inversion to ensure that the overlay stays in the same position.
// TODO: reconsider this if we add `start` and `end` methods.
if (this._justifyContent === 'flex-start') {
parentStyles.justifyContent = 'flex-end';
}
else if (this._justifyContent === 'flex-end') {
parentStyles.justifyContent = 'flex-start';
}
}
else {
parentStyles.justifyContent = this._justifyContent;
}
parentStyles.alignItems = config.height === '100%' ? 'flex-start' : this._alignItems;
};
/**
* Cleans up the DOM changes from the position strategy.
* @docs-private
*/
/**
* Cleans up the DOM changes from the position strategy.
* \@docs-private
* @return {?}
*/
GlobalPositionStrategy.prototype.dispose = /**
* Cleans up the DOM changes from the position strategy.
* \@docs-private
* @return {?}
*/
function () {
if (this._isDisposed || !this._overlayRef) {
return;
}
/** @type {?} */
var styles = this._overlayRef.overlayElement.style;
/** @type {?} */
var parent = this._overlayRef.hostElement;
/** @type {?} */
var parentStyles = parent.style;
parent.classList.remove(wrapperClass);
parentStyles.justifyContent = parentStyles.alignItems = styles.marginTop =
styles.marginBottom = styles.marginLeft = styles.marginRight = styles.position = '';
this._overlayRef = /** @type {?} */ ((null));
this._isDisposed = true;
};
return GlobalPositionStrategy;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Builder for overlay position strategy.
*/
var OverlayPositionBuilder = /** @class */ (function () {
function OverlayPositionBuilder(_viewportRuler, _document,
// @breaking-change 8.0.0 `_platform` and `_overlayContainer` parameters to be made required.
_platform, _overlayContainer) {
this._viewportRuler = _viewportRuler;
this._document = _document;
this._platform = _platform;
this._overlayContainer = _overlayContainer;
}
/**
* Creates a global position strategy.
*/
/**
* Creates a global position strategy.
* @return {?}
*/
OverlayPositionBuilder.prototype.global = /**
* Creates a global position strategy.
* @return {?}
*/
function () {
return new GlobalPositionStrategy();
};
/**
* Creates a relative position strategy.
* @param elementRef
* @param originPos
* @param overlayPos
* @deprecated Use `flexibleConnectedTo` instead.
* @breaking-change 8.0.0
*/
/**
* Creates a relative position strategy.
* @deprecated Use `flexibleConnectedTo` instead.
* \@breaking-change 8.0.0
* @param {?} elementRef
* @param {?} originPos
* @param {?} overlayPos
* @return {?}
*/
OverlayPositionBuilder.prototype.connectedTo = /**
* Creates a relative position strategy.
* @deprecated Use `flexibleConnectedTo` instead.
* \@breaking-change 8.0.0
* @param {?} elementRef
* @param {?} originPos
* @param {?} overlayPos
* @return {?}
*/
function (elementRef, originPos, overlayPos) {
return new ConnectedPositionStrategy(originPos, overlayPos, elementRef, this._viewportRuler, this._document);
};
/**
* Creates a flexible position strategy.
* @param elementRef
*/
/**
* Creates a flexible position strategy.
* @param {?} elementRef
* @return {?}
*/
OverlayPositionBuilder.prototype.flexibleConnectedTo = /**
* Creates a flexible position strategy.
* @param {?} elementRef
* @return {?}
*/
function (elementRef) {
return new FlexibleConnectedPositionStrategy(elementRef, this._viewportRuler, this._document, this._platform, this._overlayContainer);
};
OverlayPositionBuilder.decorators = [
{ type: core.Injectable, args: [{ providedIn: 'root' },] },
];
/** @nocollapse */
OverlayPositionBuilder.ctorParameters = function () { return [
{ type: scrolling.ViewportRuler },
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] },
{ type: platform.Platform, decorators: [{ type: core.Optional }] },
{ type: OverlayContainer, decorators: [{ type: core.Optional }] }
]; };
/** @nocollapse */ OverlayPositionBuilder.ngInjectableDef = core.defineInjectable({ factory: function OverlayPositionBuilder_Factory() { return new OverlayPositionBuilder(core.inject(scrolling.ViewportRuler), core.inject(common.DOCUMENT), core.inject(platform.Platform, 8), core.inject(OverlayContainer, 8)); }, token: OverlayPositionBuilder, providedIn: "root" });
return OverlayPositionBuilder;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/** *
* Next overlay unique ID.
@type {?} */
var nextUniqueId = 0;
/**
* Service to create Overlays. Overlays are dynamically added pieces of floating UI, meant to be
* used as a low-level building block for other components. Dialogs, tooltips, menus,
* selects, etc. can all be built using overlays. The service should primarily be used by authors
* of re-usable components rather than developers building end-user applications.
*
* An overlay *is* a PortalOutlet, so any kind of Portal can be loaded into one.
*/
var Overlay = /** @class */ (function () {
function Overlay(scrollStrategies, _overlayContainer, _componentFactoryResolver, _positionBuilder, _keyboardDispatcher, _injector, _ngZone, _document, _directionality,
// @breaking-change 8.0.0 `_location` parameter to be made required.
_location) {
this.scrollStrategies = scrollStrategies;
this._overlayContainer = _overlayContainer;
this._componentFactoryResolver = _componentFactoryResolver;
this._positionBuilder = _positionBuilder;
this._keyboardDispatcher = _keyboardDispatcher;
this._injector = _injector;
this._ngZone = _ngZone;
this._document = _document;
this._directionality = _directionality;
this._location = _location;
}
/**
* Creates an overlay.
* @param config Configuration applied to the overlay.
* @returns Reference to the created overlay.
*/
/**
* Creates an overlay.
* @param {?=} config Configuration applied to the overlay.
* @return {?} Reference to the created overlay.
*/
Overlay.prototype.create = /**
* Creates an overlay.
* @param {?=} config Configuration applied to the overlay.
* @return {?} Reference to the created overlay.
*/
function (config) {
/** @type {?} */
var host = this._createHostElement();
/** @type {?} */
var pane = this._createPaneElement(host);
/** @type {?} */
var portalOutlet = this._createPortalOutlet(pane);
/** @type {?} */
var overlayConfig = new OverlayConfig(config);
overlayConfig.direction = overlayConfig.direction || this._directionality.value;
return new OverlayRef(portalOutlet, host, pane, overlayConfig, this._ngZone, this._keyboardDispatcher, this._document, this._location);
};
/**
* Gets a position builder that can be used, via fluent API,
* to construct and configure a position strategy.
* @returns An overlay position builder.
*/
/**
* Gets a position builder that can be used, via fluent API,
* to construct and configure a position strategy.
* @return {?} An overlay position builder.
*/
Overlay.prototype.position = /**
* Gets a position builder that can be used, via fluent API,
* to construct and configure a position strategy.
* @return {?} An overlay position builder.
*/
function () {
return this._positionBuilder;
};
/**
* Creates the DOM element for an overlay and appends it to the overlay container.
* @param {?} host
* @return {?} Newly-created pane element
*/
Overlay.prototype._createPaneElement = /**
* Creates the DOM element for an overlay and appends it to the overlay container.
* @param {?} host
* @return {?} Newly-created pane element
*/
function (host) {
/** @type {?} */
var pane = this._document.createElement('div');
pane.id = "cdk-overlay-" + nextUniqueId++;
pane.classList.add('cdk-overlay-pane');
host.appendChild(pane);
return pane;
};
/**
* Creates the host element that wraps around an overlay
* and can be used for advanced positioning.
* @return {?} Newly-create host element.
*/
Overlay.prototype._createHostElement = /**
* Creates the host element that wraps around an overlay
* and can be used for advanced positioning.
* @return {?} Newly-create host element.
*/
function () {
/** @type {?} */
var host = this._document.createElement('div');
this._overlayContainer.getContainerElement().appendChild(host);
return host;
};
/**
* Create a DomPortalOutlet into which the overlay content can be loaded.
* @param {?} pane The DOM element to turn into a portal outlet.
* @return {?} A portal outlet for the given DOM element.
*/
Overlay.prototype._createPortalOutlet = /**
* Create a DomPortalOutlet into which the overlay content can be loaded.
* @param {?} pane The DOM element to turn into a portal outlet.
* @return {?} A portal outlet for the given DOM element.
*/
function (pane) {
// We have to resolve the ApplicationRef later in order to allow people
// to use overlay-based providers during app initialization.
if (!this._appRef) {
this._appRef = this._injector.get(core.ApplicationRef);
}
return new portal.DomPortalOutlet(pane, this._componentFactoryResolver, this._appRef, this._injector);
};
Overlay.decorators = [
{ type: core.Injectable },
];
/** @nocollapse */
Overlay.ctorParameters = function () { return [
{ type: ScrollStrategyOptions },
{ type: OverlayContainer },
{ type: core.ComponentFactoryResolver },
{ type: OverlayPositionBuilder },
{ type: OverlayKeyboardDispatcher },
{ type: core.Injector },
{ type: core.NgZone },
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] },
{ type: bidi.Directionality },
{ type: common.Location, decorators: [{ type: core.Optional }] }
]; };
return Overlay;
}());
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/** *
* Default set of positions for the overlay. Follows the behavior of a dropdown.
@type {?} */
var defaultPositionList = [
{
originX: 'start',
originY: 'bottom',
overlayX: 'start',
overlayY: 'top'
},
{
originX: 'start',
originY: 'top',
overlayX: 'start',
overlayY: 'bottom'
},
{
originX: 'end',
originY: 'top',
overlayX: 'end',
overlayY: 'bottom'
},
{
originX: 'end',
originY: 'bottom',
overlayX: 'end',
overlayY: 'top'
}
];
/** *
* Injection token that determines the scroll handling while the connected overlay is open.
@type {?} */
var CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY = new core.InjectionToken('cdk-connected-overlay-scroll-strategy');
/**
* Directive applied to an element to make it usable as an origin for an Overlay using a
* ConnectedPositionStrategy.
*/
var CdkOverlayOrigin = /** @class */ (function () {
function CdkOverlayOrigin(elementRef) {
this.elementRef = elementRef;
}
CdkOverlayOrigin.decorators = [
{ type: core.Directive, args: [{
selector: '[cdk-overlay-origin], [overlay-origin], [cdkOverlayOrigin]',
exportAs: 'cdkOverlayOrigin',
},] },
];
/** @nocollapse */
CdkOverlayOrigin.ctorParameters = function () { return [
{ type: core.ElementRef }
]; };
return CdkOverlayOrigin;
}());
/**
* Directive to facilitate declarative creation of an
* Overlay using a FlexibleConnectedPositionStrategy.
*/
var CdkConnectedOverlay = /** @class */ (function () {
// TODO(jelbourn): inputs for size, scroll behavior, animation, etc.
function CdkConnectedOverlay(_overlay, templateRef, viewContainerRef, scrollStrategyFactory, _dir) {
this._overlay = _overlay;
this._dir = _dir;
this._hasBackdrop = false;
this._lockPosition = false;
this._growAfterOpen = false;
this._flexibleDimensions = false;
this._push = false;
this._backdropSubscription = rxjs.Subscription.EMPTY;
/**
* Margin between the overlay and the viewport edges.
*/
this.viewportMargin = 0;
/**
* Whether the overlay is open.
*/
this.open = false;
/**
* Event emitted when the backdrop is clicked.
*/
this.backdropClick = new core.EventEmitter();
/**
* Event emitted when the position has changed.
*/
this.positionChange = new core.EventEmitter();
/**
* Event emitted when the overlay has been attached.
*/
this.attach = new core.EventEmitter();
/**
* Event emitted when the overlay has been detached.
*/
this.detach = new core.EventEmitter();
/**
* Emits when there are keyboard events that are targeted at the overlay.
*/
this.overlayKeydown = new core.EventEmitter();
this._templatePortal = new portal.TemplatePortal(templateRef, viewContainerRef);
this._scrollStrategyFactory = scrollStrategyFactory;
this.scrollStrategy = this._scrollStrategyFactory();
}
Object.defineProperty(CdkConnectedOverlay.prototype, "offsetX", {
/** The offset in pixels for the overlay connection point on the x-axis */
get: /**
* The offset in pixels for the overlay connection point on the x-axis
* @return {?}
*/
function () { return this._offsetX; },
set: /**
* @param {?} offsetX
* @return {?}
*/
function (offsetX) {
this._offsetX = offsetX;
if (this._position) {
this._updatePositionStrategy(this._position);
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "offsetY", {
/** The offset in pixels for the overlay connection point on the y-axis */
get: /**
* The offset in pixels for the overlay connection point on the y-axis
* @return {?}
*/
function () { return this._offsetY; },
set: /**
* @param {?} offsetY
* @return {?}
*/
function (offsetY) {
this._offsetY = offsetY;
if (this._position) {
this._updatePositionStrategy(this._position);
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "hasBackdrop", {
/** Whether or not the overlay should attach a backdrop. */
get: /**
* Whether or not the overlay should attach a backdrop.
* @return {?}
*/
function () { return this._hasBackdrop; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) { this._hasBackdrop = coercion.coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "lockPosition", {
/** Whether or not the overlay should be locked when scrolling. */
get: /**
* Whether or not the overlay should be locked when scrolling.
* @return {?}
*/
function () { return this._lockPosition; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) { this._lockPosition = coercion.coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "flexibleDimensions", {
/** Whether the overlay's width and height can be constrained to fit within the viewport. */
get: /**
* Whether the overlay's width and height can be constrained to fit within the viewport.
* @return {?}
*/
function () { return this._flexibleDimensions; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) {
this._flexibleDimensions = coercion.coerceBooleanProperty(value);
},
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "growAfterOpen", {
/** Whether the overlay can grow after the initial open when flexible positioning is turned on. */
get: /**
* Whether the overlay can grow after the initial open when flexible positioning is turned on.
* @return {?}
*/
function () { return this._growAfterOpen; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) { this._growAfterOpen = coercion.coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "push", {
/** Whether the overlay can be pushed on-screen if none of the provided positions fit. */
get: /**
* Whether the overlay can be pushed on-screen if none of the provided positions fit.
* @return {?}
*/
function () { return this._push; },
set: /**
* @param {?} value
* @return {?}
*/
function (value) { this._push = coercion.coerceBooleanProperty(value); },
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "overlayRef", {
/** The associated overlay reference. */
get: /**
* The associated overlay reference.
* @return {?}
*/
function () {
return this._overlayRef;
},
enumerable: true,
configurable: true
});
Object.defineProperty(CdkConnectedOverlay.prototype, "dir", {
/** The element's layout direction. */
get: /**
* The element's layout direction.
* @return {?}
*/
function () {
return this._dir ? this._dir.value : 'ltr';
},
enumerable: true,
configurable: true
});
/**
* @return {?}
*/
CdkConnectedOverlay.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
this._destroyOverlay();
};
/**
* @param {?} changes
* @return {?}
*/
CdkConnectedOverlay.prototype.ngOnChanges = /**
* @param {?} changes
* @return {?}
*/
function (changes) {
if (this._position) {
this._updatePositionStrategy(this._position);
if (changes['origin'] && this.open) {
this._position.apply();
}
}
if (changes['open']) {
this.open ? this._attachOverlay() : this._detachOverlay();
}
};
/**
* Creates an overlay
* @return {?}
*/
CdkConnectedOverlay.prototype._createOverlay = /**
* Creates an overlay
* @return {?}
*/
function () {
var _this = this;
if (!this.positions || !this.positions.length) {
this.positions = defaultPositionList;
}
this._overlayRef = this._overlay.create(this._buildConfig());
this._overlayRef.keydownEvents().subscribe(function (event) {
_this.overlayKeydown.next(event);
if (event.keyCode === keycodes.ESCAPE) {
_this._detachOverlay();
}
});
};
/**
* Builds the overlay config based on the directive's inputs
* @return {?}
*/
CdkConnectedOverlay.prototype._buildConfig = /**
* Builds the overlay config based on the directive's inputs
* @return {?}
*/
function () {
/** @type {?} */
var positionStrategy = this._position = this._createPositionStrategy();
/** @type {?} */
var overlayConfig = new OverlayConfig({
direction: this._dir,
positionStrategy: positionStrategy,
scrollStrategy: this.scrollStrategy,
hasBackdrop: this.hasBackdrop
});
if (this.width || this.width === 0) {
overlayConfig.width = this.width;
}
if (this.height || this.height === 0) {
overlayConfig.height = this.height;
}
if (this.minWidth || this.minWidth === 0) {
overlayConfig.minWidth = this.minWidth;
}
if (this.minHeight || this.minHeight === 0) {
overlayConfig.minHeight = this.minHeight;
}
if (this.backdropClass) {
overlayConfig.backdropClass = this.backdropClass;
}
if (this.panelClass) {
overlayConfig.panelClass = this.panelClass;
}
return overlayConfig;
};
/**
* Updates the state of a position strategy, based on the values of the directive inputs.
* @param {?} positionStrategy
* @return {?}
*/
CdkConnectedOverlay.prototype._updatePositionStrategy = /**
* Updates the state of a position strategy, based on the values of the directive inputs.
* @param {?} positionStrategy
* @return {?}
*/
function (positionStrategy) {
var _this = this;
/** @type {?} */
var positions = this.positions.map(function (currentPosition) { return ({
originX: currentPosition.originX,
originY: currentPosition.originY,
overlayX: currentPosition.overlayX,
overlayY: currentPosition.overlayY,
offsetX: currentPosition.offsetX || _this.offsetX,
offsetY: currentPosition.offsetY || _this.offsetY
}); });
return positionStrategy
.setOrigin(this.origin.elementRef)
.withPositions(positions)
.withFlexibleDimensions(this.flexibleDimensions)
.withPush(this.push)
.withGrowAfterOpen(this.growAfterOpen)
.withViewportMargin(this.viewportMargin)
.withLockedPosition(this.lockPosition);
};
/**
* Returns the position strategy of the overlay to be set on the overlay config
* @return {?}
*/
CdkConnectedOverlay.prototype._createPositionStrategy = /**
* Returns the position strategy of the overlay to be set on the overlay config
* @return {?}
*/
function () {
var _this = this;
/** @type {?} */
var strategy = this._overlay.position().flexibleConnectedTo(this.origin.elementRef);
this._updatePositionStrategy(strategy);
strategy.positionChanges.subscribe(function (p) { return _this.positionChange.emit(p); });
return strategy;
};
/**
* Attaches the overlay and subscribes to backdrop clicks if backdrop exists
* @return {?}
*/
CdkConnectedOverlay.prototype._attachOverlay = /**
* Attaches the overlay and subscribes to backdrop clicks if backdrop exists
* @return {?}
*/
function () {
var _this = this;
if (!this._overlayRef) {
this._createOverlay();
}
else {
// Update the overlay size, in case the directive's inputs have changed
this._overlayRef.updateSize({
width: this.width,
minWidth: this.minWidth,
height: this.height,
minHeight: this.minHeight,
});
}
if (!this._overlayRef.hasAttached()) {
this._overlayRef.attach(this._templatePortal);
this.attach.emit();
}
if (this.hasBackdrop) {
this._backdropSubscription = this._overlayRef.backdropClick().subscribe(function (event) {
_this.backdropClick.emit(event);
});
}
};
/**
* Detaches the overlay and unsubscribes to backdrop clicks if backdrop exists
* @return {?}
*/
CdkConnectedOverlay.prototype._detachOverlay = /**
* Detaches the overlay and unsubscribes to backdrop clicks if backdrop exists
* @return {?}
*/
function () {
if (this._overlayRef) {
this._overlayRef.detach();
this.detach.emit();
}
this._backdropSubscription.unsubscribe();
};
/**
* Destroys the overlay created by this directive.
* @return {?}
*/
CdkConnectedOverlay.prototype._destroyOverlay = /**
* Destroys the overlay created by this directive.
* @return {?}
*/
function () {
if (this._overlayRef) {
this._overlayRef.dispose();
}
this._backdropSubscription.unsubscribe();
};
CdkConnectedOverlay.decorators = [
{ type: core.Directive, args: [{
selector: '[cdk-connected-overlay], [connected-overlay], [cdkConnectedOverlay]',
exportAs: 'cdkConnectedOverlay'
},] },
];
/** @nocollapse */
CdkConnectedOverlay.ctorParameters = function () { return [
{ type: Overlay },
{ type: core.TemplateRef },
{ type: core.ViewContainerRef },
{ type: undefined, decorators: [{ type: core.Inject, args: [CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY,] }] },
{ type: bidi.Directionality, decorators: [{ type: core.Optional }] }
]; };
CdkConnectedOverlay.propDecorators = {
origin: [{ type: core.Input, args: ['cdkConnectedOverlayOrigin',] }],
positions: [{ type: core.Input, args: ['cdkConnectedOverlayPositions',] }],
offsetX: [{ type: core.Input, args: ['cdkConnectedOverlayOffsetX',] }],
offsetY: [{ type: core.Input, args: ['cdkConnectedOverlayOffsetY',] }],
width: [{ type: core.Input, args: ['cdkConnectedOverlayWidth',] }],
height: [{ type: core.Input, args: ['cdkConnectedOverlayHeight',] }],
minWidth: [{ type: core.Input, args: ['cdkConnectedOverlayMinWidth',] }],
minHeight: [{ type: core.Input, args: ['cdkConnectedOverlayMinHeight',] }],
backdropClass: [{ type: core.Input, args: ['cdkConnectedOverlayBackdropClass',] }],
panelClass: [{ type: core.Input, args: ['cdkConnectedOverlayPanelClass',] }],
viewportMargin: [{ type: core.Input, args: ['cdkConnectedOverlayViewportMargin',] }],
scrollStrategy: [{ type: core.Input, args: ['cdkConnectedOverlayScrollStrategy',] }],
open: [{ type: core.Input, args: ['cdkConnectedOverlayOpen',] }],
hasBackdrop: [{ type: core.Input, args: ['cdkConnectedOverlayHasBackdrop',] }],
lockPosition: [{ type: core.Input, args: ['cdkConnectedOverlayLockPosition',] }],
flexibleDimensions: [{ type: core.Input, args: ['cdkConnectedOverlayFlexibleDimensions',] }],
growAfterOpen: [{ type: core.Input, args: ['cdkConnectedOverlayGrowAfterOpen',] }],
push: [{ type: core.Input, args: ['cdkConnectedOverlayPush',] }],
backdropClick: [{ type: core.Output }],
positionChange: [{ type: core.Output }],
attach: [{ type: core.Output }],
detach: [{ type: core.Output }],
overlayKeydown: [{ type: core.Output }]
};
return CdkConnectedOverlay;
}());
/**
* \@docs-private
* @param {?} overlay
* @return {?}
*/
function CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY(overlay) {
return function () { return overlay.scrollStrategies.reposition(); };
}
/** *
* \@docs-private
@type {?} */
var CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER = {
provide: CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY,
deps: [Overlay],
useFactory: CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY,
};
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
var OverlayModule = /** @class */ (function () {
function OverlayModule() {
}
OverlayModule.decorators = [
{ type: core.NgModule, args: [{
imports: [bidi.BidiModule, portal.PortalModule, scrolling.ScrollingModule],
exports: [CdkConnectedOverlay, CdkOverlayOrigin, scrolling.ScrollingModule],
declarations: [CdkConnectedOverlay, CdkOverlayOrigin],
providers: [
Overlay,
CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER,
],
},] },
];
return OverlayModule;
}());
/** *
* @deprecated Use `OverlayModule` instead.
* \@breaking-change 8.0.0
* \@docs-private
@type {?} */
var OVERLAY_PROVIDERS = [
Overlay,
OverlayPositionBuilder,
OVERLAY_KEYBOARD_DISPATCHER_PROVIDER,
scrolling.VIEWPORT_RULER_PROVIDER,
OVERLAY_CONTAINER_PROVIDER,
CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER,
];
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
/**
* Alternative to OverlayContainer that supports correct displaying of overlay elements in
* Fullscreen mode
* https://developer.mozilla.org/en-US/docs/Web/API/Element/requestFullScreen
*
* Should be provided in the root component.
*/
var FullscreenOverlayContainer = /** @class */ (function (_super) {
__extends(FullscreenOverlayContainer, _super);
function FullscreenOverlayContainer(_document) {
return _super.call(this, _document) || this;
}
/**
* @return {?}
*/
FullscreenOverlayContainer.prototype.ngOnDestroy = /**
* @return {?}
*/
function () {
_super.prototype.ngOnDestroy.call(this);
if (this._fullScreenEventName && this._fullScreenListener) {
this._document.removeEventListener(this._fullScreenEventName, this._fullScreenListener);
}
};
/**
* @return {?}
*/
FullscreenOverlayContainer.prototype._createContainer = /**
* @return {?}
*/
function () {
var _this = this;
_super.prototype._createContainer.call(this);
this._adjustParentForFullscreenChange();
this._addFullscreenChangeListener(function () { return _this._adjustParentForFullscreenChange(); });
};
/**
* @return {?}
*/
FullscreenOverlayContainer.prototype._adjustParentForFullscreenChange = /**
* @return {?}
*/
function () {
if (!this._containerElement) {
return;
}
/** @type {?} */
var fullscreenElement = this.getFullscreenElement();
/** @type {?} */
var parent = fullscreenElement || this._document.body;
parent.appendChild(this._containerElement);
};
/**
* @param {?} fn
* @return {?}
*/
FullscreenOverlayContainer.prototype._addFullscreenChangeListener = /**
* @param {?} fn
* @return {?}
*/
function (fn) {
/** @type {?} */
var eventName = this._getEventName();
if (eventName) {
if (this._fullScreenListener) {
this._document.removeEventListener(eventName, this._fullScreenListener);
}
this._document.addEventListener(eventName, fn);
this._fullScreenListener = fn;
}
};
/**
* @return {?}
*/
FullscreenOverlayContainer.prototype._getEventName = /**
* @return {?}
*/
function () {
if (!this._fullScreenEventName) {
if (this._document.fullscreenEnabled) {
this._fullScreenEventName = 'fullscreenchange';
}
else if (this._document.webkitFullscreenEnabled) {
this._fullScreenEventName = 'webkitfullscreenchange';
}
else if ((/** @type {?} */ (this._document)).mozFullScreenEnabled) {
this._fullScreenEventName = 'mozfullscreenchange';
}
else if ((/** @type {?} */ (this._document)).msFullscreenEnabled) {
this._fullScreenEventName = 'MSFullscreenChange';
}
}
return this._fullScreenEventName;
};
/**
* When the page is put into fullscreen mode, a specific element is specified.
* Only that element and its children are visible when in fullscreen mode.
*/
/**
* When the page is put into fullscreen mode, a specific element is specified.
* Only that element and its children are visible when in fullscreen mode.
* @return {?}
*/
FullscreenOverlayContainer.prototype.getFullscreenElement = /**
* When the page is put into fullscreen mode, a specific element is specified.
* Only that element and its children are visible when in fullscreen mode.
* @return {?}
*/
function () {
return this._document.fullscreenElement ||
this._document.webkitFullscreenElement ||
(/** @type {?} */ (this._document)).mozFullScreenElement ||
(/** @type {?} */ (this._document)).msFullscreenElement ||
null;
};
FullscreenOverlayContainer.decorators = [
{ type: core.Injectable },
];
/** @nocollapse */
FullscreenOverlayContainer.ctorParameters = function () { return [
{ type: undefined, decorators: [{ type: core.Inject, args: [common.DOCUMENT,] }] }
]; };
return FullscreenOverlayContainer;
}(OverlayContainer));
exports.ViewportRuler = scrolling.ViewportRuler;
exports.VIEWPORT_RULER_PROVIDER = scrolling.VIEWPORT_RULER_PROVIDER;
exports.CdkScrollable = scrolling.CdkScrollable;
exports.ScrollDispatcher = scrolling.ScrollDispatcher;
exports.Overlay = Overlay;
exports.OverlayContainer = OverlayContainer;
exports.CdkOverlayOrigin = CdkOverlayOrigin;
exports.CdkConnectedOverlay = CdkConnectedOverlay;
exports.FullscreenOverlayContainer = FullscreenOverlayContainer;
exports.OverlayRef = OverlayRef;
exports.OverlayKeyboardDispatcher = OverlayKeyboardDispatcher;
exports.OverlayPositionBuilder = OverlayPositionBuilder;
exports.GlobalPositionStrategy = GlobalPositionStrategy;
exports.ConnectedPositionStrategy = ConnectedPositionStrategy;
exports.FlexibleConnectedPositionStrategy = FlexibleConnectedPositionStrategy;
exports.OverlayConfig = OverlayConfig;
exports.validateVerticalPosition = validateVerticalPosition;
exports.validateHorizontalPosition = validateHorizontalPosition;
exports.ConnectionPositionPair = ConnectionPositionPair;
exports.ScrollingVisibility = ScrollingVisibility;
exports.ConnectedOverlayPositionChange = ConnectedOverlayPositionChange;
exports.ScrollStrategyOptions = ScrollStrategyOptions;
exports.RepositionScrollStrategy = RepositionScrollStrategy;
exports.CloseScrollStrategy = CloseScrollStrategy;
exports.NoopScrollStrategy = NoopScrollStrategy;
exports.BlockScrollStrategy = BlockScrollStrategy;
exports.OverlayModule = OverlayModule;
exports.OVERLAY_PROVIDERS = OVERLAY_PROVIDERS;
exports.ɵg = OVERLAY_KEYBOARD_DISPATCHER_PROVIDER;
exports.ɵf = OVERLAY_KEYBOARD_DISPATCHER_PROVIDER_FACTORY;
exports.ɵb = OVERLAY_CONTAINER_PROVIDER;
exports.ɵa = OVERLAY_CONTAINER_PROVIDER_FACTORY;
exports.ɵc = CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY;
exports.ɵe = CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER;
exports.ɵd = CDK_CONNECTED_OVERLAY_SCROLL_STRATEGY_PROVIDER_FACTORY;
Object.defineProperty(exports, '__esModule', { value: true });
})));
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