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/*Copyright (c) 2004-2006, The Dojo FoundationAll Rights Reserved.Licensed under the Academic Free License version 2.1 or above OR themodified BSD license. For more information on Dojo licensing, see:http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.animation.Animation");dojo.require("dojo.animation.AnimationEvent");dojo.require("dojo.lang.func");dojo.require("dojo.math");dojo.require("dojo.math.curves");dojo.deprecated("dojo.animation.Animation is slated for removal in 0.5; use dojo.lfx.* instead.", "0.5");dojo.animation.Animation = function (curve, duration, accel, repeatCount, rate) {if (dojo.lang.isArray(curve)) {curve = new dojo.math.curves.Line(curve[0], curve[1]);}this.curve = curve;this.duration = duration;this.repeatCount = repeatCount || 0;this.rate = rate || 25;if (accel) {if (dojo.lang.isFunction(accel.getValue)) {this.accel = accel;} else {var i = 0.35 * accel + 0.5;this.accel = new dojo.math.curves.CatmullRom([[0], [i], [1]], 0.45);}}};dojo.lang.extend(dojo.animation.Animation, {curve:null, duration:0, repeatCount:0, accel:null, onBegin:null, onAnimate:null, onEnd:null, onPlay:null, onPause:null, onStop:null, handler:null, _animSequence:null, _startTime:null, _endTime:null, _lastFrame:null, _timer:null, _percent:0, _active:false, _paused:false, _startRepeatCount:0, play:function (gotoStart) {if (gotoStart) {clearTimeout(this._timer);this._active = false;this._paused = false;this._percent = 0;} else {if (this._active && !this._paused) {return;}}this._startTime = new Date().valueOf();if (this._paused) {this._startTime -= (this.duration * this._percent / 100);}this._endTime = this._startTime + this.duration;this._lastFrame = this._startTime;var e = new dojo.animation.AnimationEvent(this, null, this.curve.getValue(this._percent), this._startTime, this._startTime, this._endTime, this.duration, this._percent, 0);this._active = true;this._paused = false;if (this._percent == 0) {if (!this._startRepeatCount) {this._startRepeatCount = this.repeatCount;}e.type = "begin";if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onBegin == "function") {this.onBegin(e);}}e.type = "play";if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onPlay == "function") {this.onPlay(e);}if (this._animSequence) {this._animSequence._setCurrent(this);}this._cycle();}, pause:function () {clearTimeout(this._timer);if (!this._active) {return;}this._paused = true;var e = new dojo.animation.AnimationEvent(this, "pause", this.curve.getValue(this._percent), this._startTime, new Date().valueOf(), this._endTime, this.duration, this._percent, 0);if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onPause == "function") {this.onPause(e);}}, playPause:function () {if (!this._active || this._paused) {this.play();} else {this.pause();}}, gotoPercent:function (pct, andPlay) {clearTimeout(this._timer);this._active = true;this._paused = true;this._percent = pct;if (andPlay) {this.play();}}, stop:function (gotoEnd) {clearTimeout(this._timer);var step = this._percent / 100;if (gotoEnd) {step = 1;}var e = new dojo.animation.AnimationEvent(this, "stop", this.curve.getValue(step), this._startTime, new Date().valueOf(), this._endTime, this.duration, this._percent);if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onStop == "function") {this.onStop(e);}this._active = false;this._paused = false;}, status:function () {if (this._active) {return this._paused ? "paused" : "playing";} else {return "stopped";}}, _cycle:function () {clearTimeout(this._timer);if (this._active) {var curr = new Date().valueOf();var step = (curr - this._startTime) / (this._endTime - this._startTime);var fps = 1000 / (curr - this._lastFrame);this._lastFrame = curr;if (step >= 1) {step = 1;this._percent = 100;} else {this._percent = step * 100;}if (this.accel && this.accel.getValue) {step = this.accel.getValue(step);}var e = new dojo.animation.AnimationEvent(this, "animate", this.curve.getValue(step), this._startTime, curr, this._endTime, this.duration, this._percent, Math.round(fps));if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onAnimate == "function") {this.onAnimate(e);}if (step < 1) {this._timer = setTimeout(dojo.lang.hitch(this, "_cycle"), this.rate);} else {e.type = "end";this._active = false;if (typeof this.handler == "function") {this.handler(e);}if (typeof this.onEnd == "function") {this.onEnd(e);}if (this.repeatCount > 0) {this.repeatCount--;this.play(true);} else {if (this.repeatCount == -1) {this.play(true);} else {if (this._startRepeatCount) {this.repeatCount = this._startRepeatCount;this._startRepeatCount = 0;}if (this._animSequence) {this._animSequence._playNext();}}}}}}});