/* Spry.Effect.js - Revision: Spry Preview Release 1.4 */

// (version 0.23)
//
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of Adobe Systems Incorporated nor the names of its
//     contributors may be used to endorse or promote products derived from this
//     software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.



var Spry;

if (!Spry) Spry = {};

Spry.forwards = 1; // const
Spry.backwards = 2; // const

Spry.linearTransition = 1; // const
Spry.sinusoidalTransition = 2; // const

if (!Spry.Effect) Spry.Effect = {};

//////////////////////////////////////////////////////////////////////
//
// Spry.Effect.Registry
//
//////////////////////////////////////////////////////////////////////

Spry.Effect.Registry = function()
{
	this.elements = new Array();

	_AnimatedElement = function (element) 
	{
		this.element = element;
		this.currentEffect = -1;
		this.effectArray = new Array();
	};
	
	this.AnimatedElement = _AnimatedElement;

};
 
Spry.Effect.Registry.prototype.getRegisteredEffect = function(element, effect) 
{
	var eleIdx = this.getIndexOfElement(element);

	if (eleIdx == -1)
	{
		this.elements[this.elements.length] = new this.AnimatedElement(element);
		eleIdx = this.elements.length - 1;
	}

	var foundEffectArrayIdx = -1;
	for (var i = 0; i < this.elements[eleIdx].effectArray.length; i++) 
	{
		if (this.elements[eleIdx].effectArray[i])
		{
			if (this.effectsAreTheSame(this.elements[eleIdx].effectArray[i], effect))
			{
				foundEffectArrayIdx = i;
				//this.elements[eleIdx].effectArray[i].reset();
				if (this.elements[eleIdx].effectArray[i].isRunning == true) {
					//Spry.Debug.trace('isRunning == true');
					this.elements[eleIdx].effectArray[i].cancel();
				}
				this.elements[eleIdx].currentEffect = i;
				if (this.elements[eleIdx].effectArray[i].options && (this.elements[eleIdx].effectArray[i].options.toggle != null)) {
					if (this.elements[eleIdx].effectArray[i].options.toggle == true)
						this.elements[eleIdx].effectArray[i].doToggle();
				} else { // same effect name (but no options or options.toggle field)
					this.elements[eleIdx].effectArray[i] = effect;
				}

				break;
			}
		}
	}

	if (foundEffectArrayIdx == -1) 
	{
		var currEffectIdx = this.elements[eleIdx].effectArray.length;
		this.elements[eleIdx].effectArray[currEffectIdx] = effect;
		this.elements[eleIdx].currentEffect = currEffectIdx;
	}

	var idx = this.elements[eleIdx].currentEffect;
	return this.elements[eleIdx].effectArray[idx];
}

Spry.Effect.Registry.prototype.getIndexOfElement = function(element)
{
	var registryIndex = -1;
	for (var i = 0; i < this.elements.length; i++)
	{
		if (this.elements[i]) {
			if (this.elements[i].element == element)
				registryIndex = i;
		}
	}
	return registryIndex;
}

Spry.Effect.Registry.prototype.effectsAreTheSame = function(effectA, effectB)
{
	if (effectA.name != effectB.name) 
		return false;

	if(effectA.effectsArray) // cluster effect
	{
		if (!effectB.effectsArray || effectA.effectsArray.length != effectB.effectsArray.length)
			return false;

		for (var i = 0; i < effectA.effectsArray.length; i++)
		{
			if(!Spry.Effect.Utils.optionsAreIdentical(effectA.effectsArray[i].effect.options, effectB.effectsArray[i].effect.options))
				return false;
		}
	}
	else // single effect
	{
		if(effectB.effectsArray || !Spry.Effect.Utils.optionsAreIdentical(effectA.options, effectB.options))
			return false;
	}

	return true;
}

var SpryRegistry = new Spry.Effect.Registry;

//////////////////////////////////////////////////////////////////////
//
// Spry.Effect.Utils
//
//////////////////////////////////////////////////////////////////////

if (!Spry.Effect.Utils) Spry.Effect.Utils = {};

Spry.Effect.Utils.showError = function(msg)
{
	alert('Spry.Effect ERR: ' + msg);
}

Spry.Effect.Utils.Position = function()
{
	this.x = 0; // left
	this.y = 0; // top
	this.units = "px";
}

Spry.Effect.Utils.Rectangle = function()
{
	this.width = 0;
	this.height = 0;
	this.units = "px";
}

Spry.Effect.Utils.PositionedRectangle = function()
{
	this.position = new Spry.Effect.Utils