--- /dev/null
+/**
+ * @class Ext.fx.Manager
+ * Animation Manager which keeps track of all current animations and manages them on a frame by frame basis.
+ * @private
+ * @singleton
+ */
+
+Ext.define('Ext.fx.Manager', {
+
+ /* Begin Definitions */
+
+ singleton: true,
+
+ requires: ['Ext.util.MixedCollection',
+ 'Ext.fx.target.Element',
+ 'Ext.fx.target.CompositeElement',
+ 'Ext.fx.target.Sprite',
+ 'Ext.fx.target.CompositeSprite',
+ 'Ext.fx.target.Component'],
+
+ mixins: {
+ queue: 'Ext.fx.Queue'
+ },
+
+ /* End Definitions */
+
+ constructor: function() {
+ this.items = Ext.create('Ext.util.MixedCollection');
+ this.mixins.queue.constructor.call(this);
+
+ // this.requestAnimFrame = (function() {
+ // var raf = window.requestAnimationFrame ||
+ // window.webkitRequestAnimationFrame ||
+ // window.mozRequestAnimationFrame ||
+ // window.oRequestAnimationFrame ||
+ // window.msRequestAnimationFrame;
+ // if (raf) {
+ // return function(callback, element) {
+ // raf(callback);
+ // };
+ // }
+ // else {
+ // return function(callback, element) {
+ // window.setTimeout(callback, Ext.fx.Manager.interval);
+ // };
+ // }
+ // })();
+ },
+
+ /**
+ * @cfg {Number} interval Default interval in miliseconds to calculate each frame. Defaults to 16ms (~60fps)
+ */
+ interval: 16,
+
+ /**
+ * @cfg {Boolean} forceJS Turn off to not use CSS3 transitions when they are available
+ */
+ forceJS: true,
+
+ // @private Target factory
+ createTarget: function(target) {
+ var me = this,
+ useCSS3 = !me.forceJS && Ext.supports.Transitions,
+ targetObj;
+
+ me.useCSS3 = useCSS3;
+
+ // dom id
+ if (Ext.isString(target)) {
+ target = Ext.get(target);
+ }
+ // dom element
+ if (target && target.tagName) {
+ target = Ext.get(target);
+ targetObj = Ext.create('Ext.fx.target.' + 'Element' + (useCSS3 ? 'CSS' : ''), target);
+ me.targets.add(targetObj);
+ return targetObj;
+ }
+ if (Ext.isObject(target)) {
+ // Element
+ if (target.dom) {
+ targetObj = Ext.create('Ext.fx.target.' + 'Element' + (useCSS3 ? 'CSS' : ''), target);
+ }
+ // Element Composite
+ else if (target.isComposite) {
+ targetObj = Ext.create('Ext.fx.target.' + 'CompositeElement' + (useCSS3 ? 'CSS' : ''), target);
+ }
+ // Draw Sprite
+ else if (target.isSprite) {
+ targetObj = Ext.create('Ext.fx.target.Sprite', target);
+ }
+ // Draw Sprite Composite
+ else if (target.isCompositeSprite) {
+ targetObj = Ext.create('Ext.fx.target.CompositeSprite', target);
+ }
+ // Component
+ else if (target.isComponent) {
+ targetObj = Ext.create('Ext.fx.target.Component', target);
+ }
+ else if (target.isAnimTarget) {
+ return target;
+ }
+ else {
+ return null;
+ }
+ me.targets.add(targetObj);
+ return targetObj;
+ }
+ else {
+ return null;
+ }
+ },
+
+ /**
+ * Add an Anim to the manager. This is done automatically when an Anim instance is created.
+ * @param {Ext.fx.Anim} anim
+ */
+ addAnim: function(anim) {
+ var items = this.items,
+ task = this.task;
+ // var me = this,
+ // items = me.items,
+ // cb = function() {
+ // if (items.length) {
+ // me.task = true;
+ // me.runner();
+ // me.requestAnimFrame(cb);
+ // }
+ // else {
+ // me.task = false;
+ // }
+ // };
+
+ items.add(anim);
+
+ // Start the timer if not already running
+ if (!task && items.length) {
+ task = this.task = {
+ run: this.runner,
+ interval: this.interval,
+ scope: this
+ };
+ Ext.TaskManager.start(task);
+ }
+
+ // //Start the timer if not already running
+ // if (!me.task && items.length) {
+ // me.requestAnimFrame(cb);
+ // }
+ },
+
+ /**
+ * Remove an Anim from the manager. This is done automatically when an Anim ends.
+ * @param {Ext.fx.Anim} anim
+ */
+ removeAnim: function(anim) {
+ // this.items.remove(anim);
+ var items = this.items,
+ task = this.task;
+ items.remove(anim);
+ // Stop the timer if there are no more managed Anims
+ if (task && !items.length) {
+ Ext.TaskManager.stop(task);
+ delete this.task;
+ }
+ },
+
+ /**
+ * @private
+ * Filter function to determine which animations need to be started
+ */
+ startingFilter: function(o) {
+ return o.paused === false && o.running === false && o.iterations > 0;
+ },
+
+ /**
+ * @private
+ * Filter function to determine which animations are still running
+ */
+ runningFilter: function(o) {
+ return o.paused === false && o.running === true && o.isAnimator !== true;
+ },
+
+ /**
+ * @private
+ * Runner function being called each frame
+ */
+ runner: function() {
+ var me = this,
+ items = me.items;
+
+ me.targetData = {};
+ me.targetArr = {};
+
+ // Single timestamp for all animations this interval
+ me.timestamp = new Date();
+
+ // Start any items not current running
+ items.filterBy(me.startingFilter).each(me.startAnim, me);
+
+ // Build the new attributes to be applied for all targets in this frame
+ items.filterBy(me.runningFilter).each(me.runAnim, me);
+
+ // Apply all the pending changes to their targets
+ me.applyPendingAttrs();
+ },
+
+ /**
+ * @private
+ * Start the individual animation (initialization)
+ */
+ startAnim: function(anim) {
+ anim.start(this.timestamp);
+ },
+
+ /**
+ * @private
+ * Run the individual animation for this frame
+ */
+ runAnim: function(anim) {
+ if (!anim) {
+ return;
+ }
+ var me = this,
+ targetId = anim.target.getId(),
+ useCSS3 = me.useCSS3 && anim.target.type == 'element',
+ elapsedTime = me.timestamp - anim.startTime,
+ target, o;
+
+ this.collectTargetData(anim, elapsedTime, useCSS3);
+
+ // For CSS3 animation, we need to immediately set the first frame's attributes without any transition
+ // to get a good initial state, then add the transition properties and set the final attributes.
+ if (useCSS3) {
+ // Flush the collected attributes, without transition
+ anim.target.setAttr(me.targetData[targetId], true);
+
+ // Add the end frame data
+ me.targetData[targetId] = [];
+ me.collectTargetData(anim, anim.duration, useCSS3);
+
+ // Pause the animation so runAnim doesn't keep getting called
+ anim.paused = true;
+
+ target = anim.target.target;
+ // We only want to attach an event on the last element in a composite
+ if (anim.target.isComposite) {
+ target = anim.target.target.last();
+ }
+
+ // Listen for the transitionend event
+ o = {};
+ o[Ext.supports.CSS3TransitionEnd] = anim.lastFrame;
+ o.scope = anim;
+ o.single = true;
+ target.on(o);
+ }
+ // For JS animation, trigger the lastFrame handler if this is the final frame
+ else if (elapsedTime >= anim.duration) {
+ me.applyPendingAttrs(true);
+ delete me.targetData[targetId];
+ delete me.targetArr[targetId];
+ anim.lastFrame();
+ }
+ },
+
+ /**
+ * Collect target attributes for the given Anim object at the given timestamp
+ * @param {Ext.fx.Anim} anim The Anim instance
+ * @param {Number} timestamp Time after the anim's start time
+ */
+ collectTargetData: function(anim, elapsedTime, useCSS3) {
+ var targetId = anim.target.getId(),
+ targetData = this.targetData[targetId],
+ data;
+
+ if (!targetData) {
+ targetData = this.targetData[targetId] = [];
+ this.targetArr[targetId] = anim.target;
+ }
+
+ data = {
+ duration: anim.duration,
+ easing: (useCSS3 && anim.reverse) ? anim.easingFn.reverse().toCSS3() : anim.easing,
+ attrs: {}
+ };
+ Ext.apply(data.attrs, anim.runAnim(elapsedTime));
+ targetData.push(data);
+ },
+
+ /**
+ * @private
+ * Apply all pending attribute changes to their targets
+ */
+ applyPendingAttrs: function(isLastFrame) {
+ var targetData = this.targetData,
+ targetArr = this.targetArr,
+ targetId;
+ for (targetId in targetData) {
+ if (targetData.hasOwnProperty(targetId)) {
+ targetArr[targetId].setAttr(targetData[targetId], false, isLastFrame);
+ }
+ }
+ }
+});
git.ithinksw.org / extjs.git / blobdiff