Publish Vulpes Preview 15 sources for desktop, Android and Tundra
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418
gaia/tv_apps/smart-system/js/app_transition_controller.js
Executable file
418
gaia/tv_apps/smart-system/js/app_transition_controller.js
Executable file
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/* global AppWindowManager, SettingsCache, Service, Animations,
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homescreenWindowManager, focusManager */
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'use strict';
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(function(exports) {
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const GRAY_BACKGROUND_APPS = [
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'app://app-deck.gaiamobile.org/manifest.webapp'
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];
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var TransitionEvents =
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['open', 'close', 'complete', 'timeout',
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'immediate-open', 'immediate-close'];
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var TransitionStateTable = {
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'closed': ['opening', null, null, null, 'opened', null],
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'opened': [null, 'closing', null, null, null, 'closed'],
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'opening': [null, 'closing', 'opened', 'opened', 'opened', 'closed'],
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'closing': ['opened', null, 'closed', 'closed', 'opened', 'closed']
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};
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var appTransitionSetting = 'app-transition.enabled';
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var transitionEnabled = true;
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SettingsCache.observe(appTransitionSetting, true, function(value) {
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transitionEnabled = value;
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});
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/**
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* AppTransitionController controlls the opening and closing animation
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* of the given appWindow.
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*
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* ##### Flow chart #####
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* 
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*
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* ##### State machine #####
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* 
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*
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* @param {AppWindow} app The app window instance which this controller
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* belongs to.
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*
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* @class AppTransitionController
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*/
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var AppTransitionController =
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function AppTransitionController(app) {
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if (!app || !app.element) {
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return;
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}
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this.app = app;
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this.app.debug('default animation:',
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this.app.openAnimation, this.app.closeAnimation);
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if (this.app.openAnimation) {
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this.openAnimation = this.app.openAnimation;
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}
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if (this.app.closeAnimation) {
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this.closeAnimation = this.app.closeAnimation;
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}
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if (this.app.CLASS_NAME == 'AppWindow') {
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this.OPENING_TRANSITION_TIMEOUT = 2500;
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}
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this.app.element.addEventListener('_opening', this);
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this.app.element.addEventListener('_closing', this);
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this.app.element.addEventListener('_opened', this);
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this.app.element.addEventListener('_closed', this);
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this.app.element.addEventListener('_opentransitionstart', this);
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this.app.element.addEventListener('_closetransitionstart', this);
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this.app.element.addEventListener('_loaded', this);
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this.app.element.addEventListener('_openingtimeout', this);
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this.app.element.addEventListener('_closingtimeout', this);
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this.app.element.addEventListener('animationend', this);
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};
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AppTransitionController.prototype.destroy = function() {
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if (!this.app || !this.app.element) {
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return;
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}
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this.app.element.removeEventListener('_opening', this);
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this.app.element.removeEventListener('_closing', this);
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this.app.element.removeEventListener('_opened', this);
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this.app.element.removeEventListener('_closed', this);
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this.app.element.removeEventListener('_opentransitionstart', this);
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this.app.element.removeEventListener('_closetransitionstart', this);
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this.app.element.removeEventListener('_loaded', this);
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this.app.element.removeEventListener('_openingtimeout', this);
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this.app.element.removeEventListener('_closingtimeout', this);
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this.app.element.removeEventListener('animationend', this);
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this.app = null;
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};
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AppTransitionController.prototype._transitionState = 'closed';
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AppTransitionController.prototype._waitingForLoad = false;
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AppTransitionController.prototype.openAnimation = 'enlarge';
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AppTransitionController.prototype.closeAnimation = 'reduce';
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AppTransitionController.prototype.OPENING_TRANSITION_TIMEOUT = 350;
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AppTransitionController.prototype.CLOSING_TRANSITION_TIMEOUT = 350;
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AppTransitionController.prototype.SLOW_TRANSITION_TIMEOUT = 3500;
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AppTransitionController.prototype.changeTransitionState =
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function atc_changeTransitionState(evt) {
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var currentState = this._transitionState;
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var evtIndex = TransitionEvents.indexOf(evt);
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var state = TransitionStateTable[currentState][evtIndex];
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if (!state) {
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return;
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}
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this.app.debug(currentState, state, '::', evt);
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this.switchTransitionState(state);
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this.resetTransition();
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this['_do_' + state]();
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this.app.publish(state);
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//backward compatibility
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if (!this.app) {
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return;
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}
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if (state == 'opening') {
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/**
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* Fired when the app is doing opening animation.
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* @event AppWindow#appopening
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*/
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this.app.publish('willopen');
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} else if (state == 'closing') {
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/**
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* Fired when the app is doing closing animation.
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* @event AppWindow#appclosing
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*/
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this.app.publish('willclose');
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} else if (state == 'opened') {
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/**
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* Fired when the app's opening animation is ended.
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* @event AppWindow#appopen
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*/
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this.app.publish('open');
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} else if (state == 'closed') {
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/**
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* Fired when the app's closing animation is ended.
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* @event AppWindow#appclose
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*/
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this.app.publish('close');
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}
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};
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AppTransitionController.prototype._do_closing =
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function atc_do_closing() {
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this.app.debug('timer to ensure closed does occur.');
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this._closingTimeout = window.setTimeout(() => {
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if (!this.app) {
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return;
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}
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this.app.broadcast('closingtimeout');
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},
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AppWindowManager.slowTransition ? this.SLOW_TRANSITION_TIMEOUT :
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this.CLOSING_TRANSITION_TIMEOUT);
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if (!this.app || !this.app.element) {
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return;
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}
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this.app.element.classList.add('transition-closing');
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this.app.element.classList.add(this.getAnimationName('close'));
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};
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AppTransitionController.prototype._do_closed =
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function atc_do_closed() {
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};
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AppTransitionController.prototype.getAnimationName = function(type) {
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if (transitionEnabled) {
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return this.currentAnimation || this[type + 'Animation'] || type;
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} else {
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return 'immediate';
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}
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};
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AppTransitionController.prototype._do_opening =
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function atc_do_opening() {
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this._waitingForLoad = false;
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var animation = this.getAnimationName('open');
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if (animation === 'invoked') {
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var color = (GRAY_BACKGROUND_APPS.indexOf(this.app.manifestURL) > -1)?
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'#E0E0E0' : 'black';
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Animations.createCircleAnimation( this.app.element.parentNode, color)
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.play('grow', function() {
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// XXX: show the homescreen's fadeoverlay so we will not see the
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// system background during fast-fade-in transition. We may create
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// another overlay instead of reusing this overlay in the future
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homescreenWindowManager.getHomescreen().fadeOut();
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homescreenWindowManager.getHomescreen().showFadeOverlay(color);
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this.app.element.classList.add('fast-fade-in');
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}.bind(this));
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} else {
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this.app.element.classList.add('transition-opening');
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this.app.element.classList.add(animation);
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}
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this.app.debug('timer to ensure opened does occur.');
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this._openingTimeout = window.setTimeout(function() {
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this.app.broadcast('openingtimeout');
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}.bind(this),
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AppWindowManager.slowTransition ? this.SLOW_TRANSITION_TIMEOUT :
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this.OPENING_TRANSITION_TIMEOUT);
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this.app.debug(this.app.element.classList);
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};
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AppTransitionController.prototype._do_opened =
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function atc_do_opened() {
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};
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AppTransitionController.prototype.switchTransitionState =
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function atc_switchTransitionState(state) {
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this._transitionState = state;
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if (!this.app) {
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return;
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}
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this.app._changeState('transition', this._transitionState);
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};
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// TODO: move general transition handlers into another object.
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AppTransitionController.prototype.handle_closing =
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function atc_handle_closing() {
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if (!this.app || !this.app.element) {
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return;
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}
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this.switchTransitionState('closing');
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};
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AppTransitionController.prototype.handle_closed =
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function atc_handle_closed() {
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if (!this.app || !this.app.element) {
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return;
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}
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this.resetTransition();
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/* The AttentionToaster will take care of that for AttentionWindows */
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if (!this.app.isAttentionWindow) {
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this.app.setVisible(false);
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}
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this.app.element.classList.remove('active');
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};
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AppTransitionController.prototype.handle_opening =
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function atc_handle_opening() {
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if (!this.app || !this.app.element) {
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return;
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}
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if (this.app.loaded) {
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var self = this;
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this.app.element.addEventListener('_opened', function onopen() {
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// Perf test needs.
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self.app.element.removeEventListener('_opened', onopen);
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self.app.publish('loadtime', {
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time: parseInt(Date.now() - self.app.launchTime),
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type: 'w',
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src: self.app.config.url
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});
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});
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}
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this.app.reviveBrowser();
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this.app.launchTime = Date.now();
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this.app.fadeIn();
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this.app.requestForeground();
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// TODO:
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// May have orientation manager to deal with lock orientation request.
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if (this.app.isHomescreen) {
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this.app.setOrientation();
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}
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};
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AppTransitionController.prototype.handle_opened =
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function atc_handle_opened() {
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if (!this.app || !this.app.element) {
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return;
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}
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this.resetTransition();
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this.app.element.removeAttribute('aria-hidden');
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this.app.show();
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this.app.element.classList.add('active');
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this.app.requestForeground();
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// TODO:
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// May have orientation manager to deal with lock orientation request.
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if (!this.app.isAttentionWindow) {
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this.app.setOrientation();
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}
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this.focusApp();
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};
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AppTransitionController.prototype.focusApp = function() {
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if (!this.app) {
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return;
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}
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if (this._shouldFocusApp()) {
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this.app.debug('focusing this app.');
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focusManager.focus();
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}
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};
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AppTransitionController.prototype._shouldFocusApp = function() {
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// XXX: Remove this after SIMPIN Dialog is refactored.
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=938979
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return (this._transitionState == 'opened' && this.app.loaded);
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};
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AppTransitionController.prototype.requireOpen = function(animation) {
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this.currentAnimation = animation || this.openAnimation;
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this.app.debug('open with ' + this.currentAnimation);
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if (this.currentAnimation == 'immediate') {
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// The immediate-open state fires 'open' event directly. We have to
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// fire the willopen before change to immediate-open state
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this.app.publish('willopen');
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this.changeTransitionState('immediate-open');
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} else {
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this.changeTransitionState('open');
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}
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};
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AppTransitionController.prototype.requireClose = function(animation) {
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this.currentAnimation = animation || this.closeAnimation;
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this.app.debug('close with ' + this.currentAnimation);
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if (this.currentAnimation == 'immediate') {
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// The immediate-close state fires 'close' event directly. We have to
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// fire the willclose before change to immediate-close state
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this.app.publish('willclose');
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this.changeTransitionState('immediate-close');
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} else {
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this.changeTransitionState('close');
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}
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};
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AppTransitionController.prototype.resetTransition =
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function atc_resetTransition() {
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if (this._openingTimeout) {
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window.clearTimeout(this._openingTimeout);
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this._openingTimeout = null;
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}
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if (this._closingTimeout) {
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window.clearTimeout(this._closingTimeout);
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this._closingTimeout = null;
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}
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this.clearTransitionClasses();
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};
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AppTransitionController.prototype.clearTransitionClasses =
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function atc_removeTransitionClasses() {
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if (!this.app || !this.app.element) {
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return;
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}
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var classes = ['enlarge', 'reduce', 'to-cardview', 'from-cardview',
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'invoking', 'invoked', 'zoom-in', 'zoom-out', 'fade-in', 'fade-out',
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'transition-opening', 'transition-closing', 'immediate', 'fadeout',
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'slideleft', 'slideright', 'in-from-left', 'out-to-right',
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'will-become-active', 'will-become-inactive', 'fast-fade-in',
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'slide-to-top', 'slide-from-top',
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'slide-to-bottom', 'slide-from-bottom'];
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classes.forEach(function iterator(cls) {
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this.app.element.classList.remove(cls);
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}, this);
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};
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AppTransitionController.prototype.handleEvent =
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function atc_handleEvent(evt) {
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switch (evt.type) {
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case '_opening':
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this.handle_opening();
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break;
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case '_opened':
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this.handle_opened();
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break;
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case '_closed':
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this.handle_closed();
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break;
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case '_closing':
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this.handle_closing();
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break;
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case '_closingtimeout':
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case '_openingtimeout':
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this.changeTransitionState('timeout', evt.type);
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break;
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case '_loaded':
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if (this._waitingForLoad) {
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this._waitingForLoad = false;
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this.changeTransitionState('complete');
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}
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break;
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case 'animationend':
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evt.stopPropagation();
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// We decide to drop this event if system is busy loading
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// the active app or doing some other more important task.
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if (Service.isBusyLoading()) {
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this._waitingForLoad = true;
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if (this.app.isHomescreen && this._transitionState == 'opening') {
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/**
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* focusing the app will have some side effect,
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* but we don't care if we are opening the homescreen.
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*/
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focusManager.focus();
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}
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return;
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}
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this.app.debug(evt.animationName + ' has been ENDED!');
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this.changeTransitionState('complete', evt.type);
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break;
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}
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};
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exports.AppTransitionController = AppTransitionController;
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}(window));
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