Subversion Repositories Applications.papyrus

/*

	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();

					}

				}

			}

		}

	}

}});