@angular/material
Version:
Angular Material
729 lines • 103 kB
JavaScript
import { AriaDescriber, FocusMonitor } from '@angular/cdk/a11y';
import { Directionality } from '@angular/cdk/bidi';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { BreakpointObserver, Breakpoints } from '@angular/cdk/layout';
import { Overlay, } from '@angular/cdk/overlay';
import { Platform, normalizePassiveListenerOptions } from '@angular/cdk/platform';
import { ComponentPortal } from '@angular/cdk/portal';
import { ScrollDispatcher } from '@angular/cdk/scrolling';
import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Directive, ElementRef, Inject, InjectionToken, Input, NgZone, Optional, ViewContainerRef, ViewEncapsulation, } from '@angular/core';
import { DOCUMENT } from '@angular/common';
import { Subject } from 'rxjs';
import { take, takeUntil } from 'rxjs/operators';
import { matTooltipAnimations } from './tooltip-animations';
/** Time in ms to throttle repositioning after scroll events. */
export const SCROLL_THROTTLE_MS = 20;
/**
* CSS class that will be attached to the overlay panel.
* @deprecated
* @breaking-change 13.0.0 remove this variable
*/
export const TOOLTIP_PANEL_CLASS = 'mat-tooltip-panel';
const PANEL_CLASS = 'tooltip-panel';
/** Options used to bind passive event listeners. */
const passiveListenerOptions = normalizePassiveListenerOptions({ passive: true });
/**
* Time between the user putting the pointer on a tooltip
* trigger and the long press event being fired.
*/
const LONGPRESS_DELAY = 500;
/**
* Creates an error to be thrown if the user supplied an invalid tooltip position.
* @docs-private
*/
export function getMatTooltipInvalidPositionError(position) {
return Error(`Tooltip position "${position}" is invalid.`);
}
/** Injection token that determines the scroll handling while a tooltip is visible. */
export const MAT_TOOLTIP_SCROLL_STRATEGY = new InjectionToken('mat-tooltip-scroll-strategy');
/** @docs-private */
export function MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY(overlay) {
return () => overlay.scrollStrategies.reposition({ scrollThrottle: SCROLL_THROTTLE_MS });
}
/** @docs-private */
export const MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY_PROVIDER = {
provide: MAT_TOOLTIP_SCROLL_STRATEGY,
deps: [Overlay],
useFactory: MAT_TOOLTIP_SCROLL_STRATEGY_FACTORY,
};
/** Injection token to be used to override the default options for `matTooltip`. */
export const MAT_TOOLTIP_DEFAULT_OPTIONS = new InjectionToken('mat-tooltip-default-options', {
providedIn: 'root',
factory: MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY
});
/** @docs-private */
export function MAT_TOOLTIP_DEFAULT_OPTIONS_FACTORY() {
return {
showDelay: 0,
hideDelay: 0,
touchendHideDelay: 1500,
};
}
export class _MatTooltipBase {
constructor(_overlay, _elementRef, _scrollDispatcher, _viewContainerRef, _ngZone, _platform, _ariaDescriber, _focusMonitor, scrollStrategy, _dir, _defaultOptions, _document) {
this._overlay = _overlay;
this._elementRef = _elementRef;
this._scrollDispatcher = _scrollDispatcher;
this._viewContainerRef = _viewContainerRef;
this._ngZone = _ngZone;
this._platform = _platform;
this._ariaDescriber = _ariaDescriber;
this._focusMonitor = _focusMonitor;
this._dir = _dir;
this._defaultOptions = _defaultOptions;
this._position = 'below';
this._disabled = false;
this._viewInitialized = false;
this._pointerExitEventsInitialized = false;
this._viewportMargin = 8;
this._cssClassPrefix = 'mat';
/** The default delay in ms before showing the tooltip after show is called */
this.showDelay = this._defaultOptions.showDelay;
/** The default delay in ms before hiding the tooltip after hide is called */
this.hideDelay = this._defaultOptions.hideDelay;
/**
* How touch gestures should be handled by the tooltip. On touch devices the tooltip directive
* uses a long press gesture to show and hide, however it can conflict with the native browser
* gestures. To work around the conflict, Angular Material disables native gestures on the
* trigger, but that might not be desirable on particular elements (e.g. inputs and draggable
* elements). The different values for this option configure the touch event handling as follows:
* - `auto` - Enables touch gestures for all elements, but tries to avoid conflicts with native
* browser gestures on particular elements. In particular, it allows text selection on inputs
* and textareas, and preserves the native browser dragging on elements marked as `draggable`.
* - `on` - Enables touch gestures for all elements and disables native
* browser gestures with no exceptions.
* - `off` - Disables touch gestures. Note that this will prevent the tooltip from
* showing on touch devices.
*/
this.touchGestures = 'auto';
this._message = '';
/** Manually-bound passive event listeners. */
this._passiveListeners = [];
/** Emits when the component is destroyed. */
this._destroyed = new Subject();
/**
* Handles the keydown events on the host element.
* Needs to be an arrow function so that we can use it in addEventListener.
*/
this._handleKeydown = (event) => {
if (this._isTooltipVisible() && event.keyCode === ESCAPE && !hasModifierKey(event)) {
event.preventDefault();
event.stopPropagation();
this._ngZone.run(() => this.hide(0));
}
};
this._scrollStrategy = scrollStrategy;
this._document = _document;
if (_defaultOptions) {
if (_defaultOptions.position) {
this.position = _defaultOptions.position;
}
if (_defaultOptions.touchGestures) {
this.touchGestures = _defaultOptions.touchGestures;
}
}
_dir.change.pipe(takeUntil(this._destroyed)).subscribe(() => {
if (this._overlayRef) {
this._updatePosition(this._overlayRef);
}
});
_ngZone.runOutsideAngular(() => {
_elementRef.nativeElement.addEventListener('keydown', this._handleKeydown);
});
}
/** Allows the user to define the position of the tooltip relative to the parent element */
get position() { return this._position; }
set position(value) {
var _a;
if (value !== this._position) {
this._position = value;
if (this._overlayRef) {
this._updatePosition(this._overlayRef);
(_a = this._tooltipInstance) === null || _a === void 0 ? void 0 : _a.show(0);
this._overlayRef.updatePosition();
}
}
}
/** Disables the display of the tooltip. */
get disabled() { return this._disabled; }
set disabled(value) {
this._disabled = coerceBooleanProperty(value);
// If tooltip is disabled, hide immediately.
if (this._disabled) {
this.hide(0);
}
else {
this._setupPointerEnterEventsIfNeeded();
}
}
/** The message to be displayed in the tooltip */
get message() { return this._message; }
set message(value) {
this._ariaDescriber.removeDescription(this._elementRef.nativeElement, this._message, 'tooltip');
// If the message is not a string (e.g. number), convert it to a string and trim it.
// Must convert with `String(value)`, not `${value}`, otherwise Closure Compiler optimises
// away the string-conversion: https://github.com/angular/components/issues/20684
this._message = value != null ? String(value).trim() : '';
if (!this._message && this._isTooltipVisible()) {
this.hide(0);
}
else {
this._setupPointerEnterEventsIfNeeded();
this._updateTooltipMessage();
this._ngZone.runOutsideAngular(() => {
// The `AriaDescriber` has some functionality that avoids adding a description if it's the
// same as the `aria-label` of an element, however we can't know whether the tooltip trigger
// has a data-bound `aria-label` or when it'll be set for the first time. We can avoid the
// issue by deferring the description by a tick so Angular has time to set the `aria-label`.
Promise.resolve().then(() => {
this._ariaDescriber.describe(this._elementRef.nativeElement, this.message, 'tooltip');
});
});
}
}
/** Classes to be passed to the tooltip. Supports the same syntax as `ngClass`. */
get tooltipClass() { return this._tooltipClass; }
set tooltipClass(value) {
this._tooltipClass = value;
if (this._tooltipInstance) {
this._setTooltipClass(this._tooltipClass);
}
}
ngAfterViewInit() {
// This needs to happen after view init so the initial values for all inputs have been set.
this._viewInitialized = true;
this._setupPointerEnterEventsIfNeeded();
this._focusMonitor.monitor(this._elementRef)
.pipe(takeUntil(this._destroyed))
.subscribe(origin => {
// Note that the focus monitor runs outside the Angular zone.
if (!origin) {
this._ngZone.run(() => this.hide(0));
}
else if (origin === 'keyboard') {
this._ngZone.run(() => this.show());
}
});
}
/**
* Dispose the tooltip when destroyed.
*/
ngOnDestroy() {
const nativeElement = this._elementRef.nativeElement;
clearTimeout(this._touchstartTimeout);
if (this._overlayRef) {
this._overlayRef.dispose();
this._tooltipInstance = null;
}
// Clean up the event listeners set in the constructor
nativeElement.removeEventListener('keydown', this._handleKeydown);
this._passiveListeners.forEach(([event, listener]) => {
nativeElement.removeEventListener(event, listener, passiveListenerOptions);
});
this._passiveListeners.length = 0;
this._destroyed.next();
this._destroyed.complete();
this._ariaDescriber.removeDescription(nativeElement, this.message, 'tooltip');
this._focusMonitor.stopMonitoring(nativeElement);
}
/** Shows the tooltip after the delay in ms, defaults to tooltip-delay-show or 0ms if no input */
show(delay = this.showDelay) {
if (this.disabled || !this.message || (this._isTooltipVisible() &&
!this._tooltipInstance._showTimeoutId && !this._tooltipInstance._hideTimeoutId)) {
return;
}
const overlayRef = this._createOverlay();
this._detach();
this._portal = this._portal ||
new ComponentPortal(this._tooltipComponent, this._viewContainerRef);
this._tooltipInstance = overlayRef.attach(this._portal).instance;
this._tooltipInstance.afterHidden()
.pipe(takeUntil(this._destroyed))
.subscribe(() => this._detach());
this._setTooltipClass(this._tooltipClass);
this._updateTooltipMessage();
this._tooltipInstance.show(delay);
}
/** Hides the tooltip after the delay in ms, defaults to tooltip-delay-hide or 0ms if no input */
hide(delay = this.hideDelay) {
if (this._tooltipInstance) {
this._tooltipInstance.hide(delay);
}
}
/** Shows/hides the tooltip */
toggle() {
this._isTooltipVisible() ? this.hide() : this.show();
}
/** Returns true if the tooltip is currently visible to the user */
_isTooltipVisible() {
return !!this._tooltipInstance && this._tooltipInstance.isVisible();
}
/** Create the overlay config and position strategy */
_createOverlay() {
if (this._overlayRef) {
return this._overlayRef;
}
const scrollableAncestors = this._scrollDispatcher.getAncestorScrollContainers(this._elementRef);
// Create connected position strategy that listens for scroll events to reposition.
const strategy = this._overlay.position()
.flexibleConnectedTo(this._elementRef)
.withTransformOriginOn(`.${this._cssClassPrefix}-tooltip`)
.withFlexibleDimensions(false)
.withViewportMargin(this._viewportMargin)
.withScrollableContainers(scrollableAncestors);
strategy.positionChanges.pipe(takeUntil(this._destroyed)).subscribe(change => {
this._updateCurrentPositionClass(change.connectionPair);
if (this._tooltipInstance) {
if (change.scrollableViewProperties.isOverlayClipped && this._tooltipInstance.isVisible()) {
// After position changes occur and the overlay is clipped by
// a parent scrollable then close the tooltip.
this._ngZone.run(() => this.hide(0));
}
}
});
this._overlayRef = this._overlay.create({
direction: this._dir,
positionStrategy: strategy,
panelClass: `${this._cssClassPrefix}-${PANEL_CLASS}`,
scrollStrategy: this._scrollStrategy()
});
this._updatePosition(this._overlayRef);
this._overlayRef.detachments()
.pipe(takeUntil(this._destroyed))
.subscribe(() => this._detach());
return this._overlayRef;
}
/** Detaches the currently-attached tooltip. */
_detach() {
if (this._overlayRef && this._overlayRef.hasAttached()) {
this._overlayRef.detach();
}
this._tooltipInstance = null;
}
/** Updates the position of the current tooltip. */
_updatePosition(overlayRef) {
const position = overlayRef.getConfig().positionStrategy;
const origin = this._getOrigin();
const overlay = this._getOverlayPosition();
position.withPositions([
this._addOffset(Object.assign(Object.assign({}, origin.main), overlay.main)),
this._addOffset(Object.assign(Object.assign({}, origin.fallback), overlay.fallback))
]);
}
/** Adds the configured offset to a position. Used as a hook for child classes. */
_addOffset(position) {
return position;
}
/**
* Returns the origin position and a fallback position based on the user's position preference.
* The fallback position is the inverse of the origin (e.g. `'below' -> 'above'`).
*/
_getOrigin() {
const isLtr = !this._dir || this._dir.value == 'ltr';
const position = this.position;
let originPosition;
if (position == 'above' || position == 'below') {
originPosition = { originX: 'center', originY: position == 'above' ? 'top' : 'bottom' };
}
else if (position == 'before' ||
(position == 'left' && isLtr) ||
(position == 'right' && !isLtr)) {
originPosition = { originX: 'start', originY: 'center' };
}
else if (position == 'after' ||
(position == 'right' && isLtr) ||
(position == 'left' && !isLtr)) {
originPosition = { originX: 'end', originY: 'center' };
}
else if (typeof ngDevMode === 'undefined' || ngDevMode) {
throw getMatTooltipInvalidPositionError(position);
}
const { x, y } = this._invertPosition(originPosition.originX, originPosition.originY);
return {
main: originPosition,
fallback: { originX: x, originY: y }
};
}
/** Returns the overlay position and a fallback position based on the user's preference */
_getOverlayPosition() {
const isLtr = !this._dir || this._dir.value == 'ltr';
const position = this.position;
let overlayPosition;
if (position == 'above') {
overlayPosition = { overlayX: 'center', overlayY: 'bottom' };
}
else if (position == 'below') {
overlayPosition = { overlayX: 'center', overlayY: 'top' };
}
else if (position == 'before' ||
(position == 'left' && isLtr) ||
(position == 'right' && !isLtr)) {
overlayPosition = { overlayX: 'end', overlayY: 'center' };
}
else if (position == 'after' ||
(position == 'right' && isLtr) ||
(position == 'left' && !isLtr)) {
overlayPosition = { overlayX: 'start', overlayY: 'center' };
}
else if (typeof ngDevMode === 'undefined' || ngDevMode) {
throw getMatTooltipInvalidPositionError(position);
}
const { x, y } = this._invertPosition(overlayPosition.overlayX, overlayPosition.overlayY);
return {
main: overlayPosition,
fallback: { overlayX: x, overlayY: y }
};
}
/** Updates the tooltip message and repositions the overlay according to the new message length */
_updateTooltipMessage() {
// Must wait for the message to be painted to the tooltip so that the overlay can properly
// calculate the correct positioning based on the size of the text.
if (this._tooltipInstance) {
this._tooltipInstance.message = this.message;
this._tooltipInstance._markForCheck();
this._ngZone.onMicrotaskEmpty.pipe(take(1), takeUntil(this._destroyed)).subscribe(() => {
if (this._tooltipInstance) {
this._overlayRef.updatePosition();
}
});
}
}
/** Updates the tooltip class */
_setTooltipClass(tooltipClass) {
if (this._tooltipInstance) {
this._tooltipInstance.tooltipClass = tooltipClass;
this._tooltipInstance._markForCheck();
}
}
/** Inverts an overlay position. */
_invertPosition(x, y) {
if (this.position === 'above' || this.position === 'below') {
if (y === 'top') {
y = 'bottom';
}
else if (y === 'bottom') {
y = 'top';
}
}
else {
if (x === 'end') {
x = 'start';
}
else if (x === 'start') {
x = 'end';
}
}
return { x, y };
}
/** Updates the class on the overlay panel based on the current position of the tooltip. */
_updateCurrentPositionClass(connectionPair) {
const { overlayY, originX, originY } = connectionPair;
let newPosition;
// If the overlay is in the middle along the Y axis,
// it means that it's either before or after.
if (overlayY === 'center') {
// Note that since this information is used for styling, we want to
// resolve `start` and `end` to their real values, otherwise consumers
// would have to remember to do it themselves on each consumption.
if (this._dir && this._dir.value === 'rtl') {
newPosition = originX === 'end' ? 'left' : 'right';
}
else {
newPosition = originX === 'start' ? 'left' : 'right';
}
}
else {
newPosition = overlayY === 'bottom' && originY === 'top' ? 'above' : 'below';
}
if (newPosition !== this._currentPosition) {
const overlayRef = this._overlayRef;
if (overlayRef) {
const classPrefix = `${this._cssClassPrefix}-${PANEL_CLASS}-`;
overlayRef.removePanelClass(classPrefix + this._currentPosition);
overlayRef.addPanelClass(classPrefix + newPosition);
}
this._currentPosition = newPosition;
}
}
/** Binds the pointer events to the tooltip trigger. */
_setupPointerEnterEventsIfNeeded() {
// Optimization: Defer hooking up events if there's no message or the tooltip is disabled.
if (this._disabled || !this.message || !this._viewInitialized ||
this._passiveListeners.length) {
return;
}
// The mouse events shouldn't be bound on mobile devices, because they can prevent the
// first tap from firing its click event or can cause the tooltip to open for clicks.
if (this._platformSupportsMouseEvents()) {
this._passiveListeners
.push(['mouseenter', () => {
this._setupPointerExitEventsIfNeeded();
this.show();
}]);
}
else if (this.touchGestures !== 'off') {
this._disableNativeGesturesIfNecessary();
this._passiveListeners
.push(['touchstart', () => {
// Note that it's important that we don't `preventDefault` here,
// because it can prevent click events from firing on the element.
this._setupPointerExitEventsIfNeeded();
clearTimeout(this._touchstartTimeout);
this._touchstartTimeout = setTimeout(() => this.show(), LONGPRESS_DELAY);
}]);
}
this._addListeners(this._passiveListeners);
}
_setupPointerExitEventsIfNeeded() {
if (this._pointerExitEventsInitialized) {
return;
}
this._pointerExitEventsInitialized = true;
const exitListeners = [];
if (this._platformSupportsMouseEvents()) {
exitListeners.push(['mouseleave', () => this.hide()], ['wheel', event => this._wheelListener(event)]);
}
else if (this.touchGestures !== 'off') {
this._disableNativeGesturesIfNecessary();
const touchendListener = () => {
clearTimeout(this._touchstartTimeout);
this.hide(this._defaultOptions.touchendHideDelay);
};
exitListeners.push(['touchend', touchendListener], ['touchcancel', touchendListener]);
}
this._addListeners(exitListeners);
this._passiveListeners.push(...exitListeners);
}
_addListeners(listeners) {
listeners.forEach(([event, listener]) => {
this._elementRef.nativeElement.addEventListener(event, listener, passiveListenerOptions);
});
}
_platformSupportsMouseEvents() {
return !this._platform.IOS && !this._platform.ANDROID;
}
/** Listener for the `wheel` event on the element. */
_wheelListener(event) {
if (this._isTooltipVisible()) {
const elementUnderPointer = this._document.elementFromPoint(event.clientX, event.clientY);
const element = this._elementRef.nativeElement;
// On non-touch devices we depend on the `mouseleave` event to close the tooltip, but it
// won't fire if the user scrolls away using the wheel without moving their cursor. We
// work around it by finding the element under the user's cursor and closing the tooltip
// if it's not the trigger.
if (elementUnderPointer !== element && !element.contains(elementUnderPointer)) {
this.hide();
}
}
}
/** Disables the native browser gestures, based on how the tooltip has been configured. */
_disableNativeGesturesIfNecessary() {
const gestures = this.touchGestures;
if (gestures !== 'off') {
const element = this._elementRef.nativeElement;
const style = element.style;
// If gestures are set to `auto`, we don't disable text selection on inputs and
// textareas, because it prevents the user from typing into them on iOS Safari.
if (gestures === 'on' || (element.nodeName !== 'INPUT' && element.nodeName !== 'TEXTAREA')) {
style.userSelect = style.msUserSelect = style.webkitUserSelect =
style.MozUserSelect = 'none';
}
// If we have `auto` gestures and the element uses native HTML dragging,
// we don't set `-webkit-user-drag` because it prevents the native behavior.
if (gestures === 'on' || !element.draggable) {
style.webkitUserDrag = 'none';
}
style.touchAction = 'none';
style.webkitTapHighlightColor = 'transparent';
}
}
}
_MatTooltipBase.decorators = [
{ type: Directive }
];
_MatTooltipBase.ctorParameters = () => [
{ type: Overlay },
{ type: ElementRef },
{ type: ScrollDispatcher },
{ type: ViewContainerRef },
{ type: NgZone },
{ type: Platform },
{ type: AriaDescriber },
{ type: FocusMonitor },
{ type: undefined },
{ type: Directionality },
{ type: undefined },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
_MatTooltipBase.propDecorators = {
position: [{ type: Input, args: ['matTooltipPosition',] }],
disabled: [{ type: Input, args: ['matTooltipDisabled',] }],
showDelay: [{ type: Input, args: ['matTooltipShowDelay',] }],
hideDelay: [{ type: Input, args: ['matTooltipHideDelay',] }],
touchGestures: [{ type: Input, args: ['matTooltipTouchGestures',] }],
message: [{ type: Input, args: ['matTooltip',] }],
tooltipClass: [{ type: Input, args: ['matTooltipClass',] }]
};
/**
* Directive that attaches a material design tooltip to the host element. Animates the showing and
* hiding of a tooltip provided position (defaults to below the element).
*
* https://material.io/design/components/tooltips.html
*/
export class MatTooltip extends _MatTooltipBase {
constructor(overlay, elementRef, scrollDispatcher, viewContainerRef, ngZone, platform, ariaDescriber, focusMonitor, scrollStrategy, dir, defaultOptions, _document) {
super(overlay, elementRef, scrollDispatcher, viewContainerRef, ngZone, platform, ariaDescriber, focusMonitor, scrollStrategy, dir, defaultOptions, _document);
this._tooltipComponent = TooltipComponent;
}
}
MatTooltip.decorators = [
{ type: Directive, args: [{
selector: '[matTooltip]',
exportAs: 'matTooltip',
host: {
'class': 'mat-tooltip-trigger'
}
},] }
];
MatTooltip.ctorParameters = () => [
{ type: Overlay },
{ type: ElementRef },
{ type: ScrollDispatcher },
{ type: ViewContainerRef },
{ type: NgZone },
{ type: Platform },
{ type: AriaDescriber },
{ type: FocusMonitor },
{ type: undefined, decorators: [{ type: Inject, args: [MAT_TOOLTIP_SCROLL_STRATEGY,] }] },
{ type: Directionality, decorators: [{ type: Optional }] },
{ type: undefined, decorators: [{ type: Optional }, { type: Inject, args: [MAT_TOOLTIP_DEFAULT_OPTIONS,] }] },
{ type: undefined, decorators: [{ type: Inject, args: [DOCUMENT,] }] }
];
export class _TooltipComponentBase {
constructor(_changeDetectorRef) {
this._changeDetectorRef = _changeDetectorRef;
/** Property watched by the animation framework to show or hide the tooltip */
this._visibility = 'initial';
/** Whether interactions on the page should close the tooltip */
this._closeOnInteraction = false;
/** Subject for notifying that the tooltip has been hidden from the view */
this._onHide = new Subject();
}
/**
* Shows the tooltip with an animation originating from the provided origin
* @param delay Amount of milliseconds to the delay showing the tooltip.
*/
show(delay) {
// Cancel the delayed hide if it is scheduled
clearTimeout(this._hideTimeoutId);
// Body interactions should cancel the tooltip if there is a delay in showing.
this._closeOnInteraction = true;
this._showTimeoutId = setTimeout(() => {
this._visibility = 'visible';
this._showTimeoutId = undefined;
// Mark for check so if any parent component has set the
// ChangeDetectionStrategy to OnPush it will be checked anyways
this._markForCheck();
}, delay);
}
/**
* Begins the animation to hide the tooltip after the provided delay in ms.
* @param delay Amount of milliseconds to delay showing the tooltip.
*/
hide(delay) {
// Cancel the delayed show if it is scheduled
clearTimeout(this._showTimeoutId);
this._hideTimeoutId = setTimeout(() => {
this._visibility = 'hidden';
this._hideTimeoutId = undefined;
// Mark for check so if any parent component has set the
// ChangeDetectionStrategy to OnPush it will be checked anyways
this._markForCheck();
}, delay);
}
/** Returns an observable that notifies when the tooltip has been hidden from view. */
afterHidden() {
return this._onHide;
}
/** Whether the tooltip is being displayed. */
isVisible() {
return this._visibility === 'visible';
}
ngOnDestroy() {
clearTimeout(this._showTimeoutId);
clearTimeout(this._hideTimeoutId);
this._onHide.complete();
}
_animationStart() {
this._closeOnInteraction = false;
}
_animationDone(event) {
const toState = event.toState;
if (toState === 'hidden' && !this.isVisible()) {
this._onHide.next();
}
if (toState === 'visible' || toState === 'hidden') {
this._closeOnInteraction = true;
}
}
/**
* Interactions on the HTML body should close the tooltip immediately as defined in the
* material design spec.
* https://material.io/design/components/tooltips.html#behavior
*/
_handleBodyInteraction() {
if (this._closeOnInteraction) {
this.hide(0);
}
}
/**
* Marks that the tooltip needs to be checked in the next change detection run.
* Mainly used for rendering the initial text before positioning a tooltip, which
* can be problematic in components with OnPush change detection.
*/
_markForCheck() {
this._changeDetectorRef.markForCheck();
}
}
_TooltipComponentBase.decorators = [
{ type: Directive }
];
_TooltipComponentBase.ctorParameters = () => [
{ type: ChangeDetectorRef }
];
/**
* Internal component that wraps the tooltip's content.
* @docs-private
*/
export class TooltipComponent extends _TooltipComponentBase {
constructor(changeDetectorRef, _breakpointObserver) {
super(changeDetectorRef);
this._breakpointObserver = _breakpointObserver;
/** Stream that emits whether the user has a handset-sized display. */
this._isHandset = this._breakpointObserver.observe(Breakpoints.Handset);
}
}
TooltipComponent.decorators = [
{ type: Component, args: [{
selector: 'mat-tooltip-component',
template: "<div class=\"mat-tooltip\"\n [ngClass]=\"tooltipClass\"\n [class.mat-tooltip-handset]=\"(_isHandset | async)?.matches\"\n [@state]=\"_visibility\"\n (@state.start)=\"_animationStart()\"\n (@state.done)=\"_animationDone($event)\">{{message}}</div>\n",
encapsulation: ViewEncapsulation.None,
changeDetection: ChangeDetectionStrategy.OnPush,
animations: [matTooltipAnimations.tooltipState],
host: {
// Forces the element to have a layout in IE and Edge. This fixes issues where the element
// won't be rendered if the animations are disabled or there is no web animations polyfill.
'[style.zoom]': '_visibility === "visible" ? 1 : null',
'(body:click)': 'this._handleBodyInteraction()',
'(body:auxclick)': 'this._handleBodyInteraction()',
'aria-hidden': 'true',
},
styles: [".mat-tooltip-panel{pointer-events:none !important}.mat-tooltip{color:#fff;border-radius:4px;margin:14px;max-width:250px;padding-left:8px;padding-right:8px;overflow:hidden;text-overflow:ellipsis}.cdk-high-contrast-active .mat-tooltip{outline:solid 1px}.mat-tooltip-handset{margin:24px;padding-left:16px;padding-right:16px}\n"]
},] }
];
TooltipComponent.ctorParameters = () => [
{ type: ChangeDetectorRef },
{ type: BreakpointObserver }
];
//# 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