ionic-angular
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A powerful framework for building mobile and progressive web apps with JavaScript and Angular
255 lines • 8.22 kB
JavaScript
import { Inject, Injectable, forwardRef } from '@angular/core';
import { App } from '../components/app/app';
/** @hidden */
export var GESTURE_GO_BACK_SWIPE = 'goback-swipe';
/** @hidden */
export var GESTURE_MENU_SWIPE = 'menu-swipe';
/** @hidden */
export var GESTURE_ITEM_SWIPE = 'item-swipe';
/** @hidden */
export var GESTURE_REFRESHER = 'refresher';
/** @hidden */
export var GESTURE_TOGGLE = 'toggle';
/** @hidden */
export var GESTURE_PRIORITY_SLIDING_ITEM = -10;
/** @hidden */
export var GESTURE_PRIORITY_REFRESHER = 0;
/** @hidden */
export var GESTURE_PRIORITY_MENU_SWIPE = 10;
/** @hidden */
export var GESTURE_PRIORITY_GO_BACK_SWIPE = 20;
/** @hidden */
export var GESTURE_PRIORITY_TOGGLE = 30;
/**
* @hidden
*/
export var BLOCK_ALL = {
disable: [GESTURE_MENU_SWIPE, GESTURE_GO_BACK_SWIPE],
disableScroll: true
};
/**
* @hidden
*/
var GestureController = (function () {
function GestureController(_app) {
this._app = _app;
this.id = 1;
this.requestedStart = {};
this.disabledGestures = {};
this.disabledScroll = new Set();
this.capturedID = null;
}
GestureController.prototype.createGesture = function (opts) {
if (!opts.name) {
throw new Error('name is undefined');
}
return new GestureDelegate(opts.name, this.newID(), this, opts.priority || 0, !!opts.disableScroll);
};
GestureController.prototype.createBlocker = function (opts) {
if (opts === void 0) { opts = {}; }
return new BlockerDelegate(this.newID(), this, opts.disable, !!opts.disableScroll);
};
GestureController.prototype.newID = function () {
var id = this.id;
this.id++;
return id;
};
GestureController.prototype.start = function (gestureName, id, priority) {
if (!this.canStart(gestureName)) {
delete this.requestedStart[id];
return false;
}
this.requestedStart[id] = priority;
return true;
};
GestureController.prototype.capture = function (gestureName, id, priority) {
if (!this.start(gestureName, id, priority)) {
return false;
}
var requestedStart = this.requestedStart;
var maxPriority = -10000;
for (var gestureID in requestedStart) {
maxPriority = Math.max(maxPriority, requestedStart[gestureID]);
}
if (maxPriority === priority) {
this.capturedID = id;
this.requestedStart = {};
(void 0) /* console.debug */;
return true;
}
delete requestedStart[id];
(void 0) /* console.debug */;
return false;
};
GestureController.prototype.release = function (id) {
delete this.requestedStart[id];
if (this.capturedID && id === this.capturedID) {
this.capturedID = null;
}
};
GestureController.prototype.disableGesture = function (gestureName, id) {
var set = this.disabledGestures[gestureName];
if (!set) {
set = new Set();
this.disabledGestures[gestureName] = set;
}
set.add(id);
};
GestureController.prototype.enableGesture = function (gestureName, id) {
var set = this.disabledGestures[gestureName];
if (set) {
set.delete(id);
}
};
GestureController.prototype.disableScroll = function (id) {
var isEnabled = !this.isScrollDisabled();
this.disabledScroll.add(id);
if (this._app && isEnabled && this.isScrollDisabled()) {
(void 0) /* console.debug */;
this._app._setDisableScroll(true);
}
};
GestureController.prototype.enableScroll = function (id) {
var isDisabled = this.isScrollDisabled();
this.disabledScroll.delete(id);
if (this._app && isDisabled && !this.isScrollDisabled()) {
(void 0) /* console.debug */;
this._app._setDisableScroll(false);
}
};
GestureController.prototype.canStart = function (gestureName) {
if (this.capturedID) {
(void 0) /* console.debug */;
// a gesture already captured
return false;
}
if (this.isDisabled(gestureName)) {
(void 0) /* console.debug */;
return false;
}
return true;
};
GestureController.prototype.isCaptured = function () {
return !!this.capturedID;
};
GestureController.prototype.isScrollDisabled = function () {
return this.disabledScroll.size > 0;
};
GestureController.prototype.isDisabled = function (gestureName) {
var disabled = this.disabledGestures[gestureName];
return !!(disabled && disabled.size > 0);
};
GestureController.decorators = [
{ type: Injectable },
];
/** @nocollapse */
GestureController.ctorParameters = function () { return [
{ type: App, decorators: [{ type: Inject, args: [forwardRef(function () { return App; }),] },] },
]; };
return GestureController;
}());
export { GestureController };
/**
* @hidden
*/
var GestureDelegate = (function () {
function GestureDelegate(name, id, controller, priority, disableScroll) {
this.name = name;
this.id = id;
this.controller = controller;
this.priority = priority;
this.disableScroll = disableScroll;
}
GestureDelegate.prototype.canStart = function () {
if (!this.controller) {
(void 0) /* assert */;
return false;
}
return this.controller.canStart(this.name);
};
GestureDelegate.prototype.start = function () {
if (!this.controller) {
(void 0) /* assert */;
return false;
}
return this.controller.start(this.name, this.id, this.priority);
};
GestureDelegate.prototype.capture = function () {
if (!this.controller) {
(void 0) /* assert */;
return false;
}
var captured = this.controller.capture(this.name, this.id, this.priority);
if (captured && this.disableScroll) {
this.controller.disableScroll(this.id);
}
return captured;
};
GestureDelegate.prototype.release = function () {
if (!this.controller) {
(void 0) /* assert */;
return;
}
this.controller.release(this.id);
if (this.disableScroll) {
this.controller.enableScroll(this.id);
}
};
GestureDelegate.prototype.destroy = function () {
this.release();
this.controller = null;
};
return GestureDelegate;
}());
export { GestureDelegate };
/**
* @hidden
*/
var BlockerDelegate = (function () {
function BlockerDelegate(id, controller, disable, disableScroll) {
this.id = id;
this.controller = controller;
this.disable = disable;
this.disableScroll = disableScroll;
this.blocked = false;
}
BlockerDelegate.prototype.block = function () {
var _this = this;
if (!this.controller) {
(void 0) /* assert */;
return;
}
if (this.disable) {
this.disable.forEach(function (gesture) {
_this.controller.disableGesture(gesture, _this.id);
});
}
if (this.disableScroll) {
this.controller.disableScroll(this.id);
}
this.blocked = true;
};
BlockerDelegate.prototype.unblock = function () {
var _this = this;
if (!this.controller) {
(void 0) /* assert */;
return;
}
if (this.disable) {
this.disable.forEach(function (gesture) {
_this.controller.enableGesture(gesture, _this.id);
});
}
if (this.disableScroll) {
this.controller.enableScroll(this.id);
}
this.blocked = false;
};
BlockerDelegate.prototype.destroy = function () {
this.unblock();
this.controller = null;
};
return BlockerDelegate;
}());
export { BlockerDelegate };
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