| /* |
| Copyright (c) 2004-2006, The Dojo Foundation |
| All Rights Reserved. |
| |
| Licensed under the Academic Free License version 2.1 or above OR the |
| modified 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(); |
| } |
| } |
| } |
| } |
| } |
| }}); |
| |