// SpryNotifier.js - version 0.1 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2007. Adobe Systems Incorporated.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Adobe Systems Incorporated nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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var Spry;if(!Spry)Spry={};if(!Spry.Utils)Spry.Utils={};Spry.Utils.Notifier=function()
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{this.observers=[];this.suppressNotifications=0;};Spry.Utils.Notifier.prototype.addObserver=function(observer)
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{if(!observer)
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return;var len=this.observers.length;for(var i=0;i<len;i++)
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{if(this.observers[i]==observer)
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return;}
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this.observers[len]=observer;};Spry.Utils.Notifier.prototype.removeObserver=function(observer)
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{if(!observer)
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return;for(var i=0;i<this.observers.length;i++)
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{if(this.observers[i]==observer)
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{this.observers.splice(i,1);break;}}};Spry.Utils.Notifier.prototype.notifyObservers=function(methodName,data)
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{if(!methodName)
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return;if(!this.suppressNotifications)
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{var len=this.observers.length;for(var i=0;i<len;i++)
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{var obs=this.observers[i];if(obs)
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{if(typeof obs=="function")
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obs(methodName,this,data);else if(obs[methodName])
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obs[methodName](this,data);}}}};Spry.Utils.Notifier.prototype.enableNotifications=function()
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{if(--this.suppressNotifications<0)
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{this.suppressNotifications=0;Spry.Debug.reportError("Unbalanced enableNotifications() call!\n");}};Spry.Utils.Notifier.prototype.disableNotifications=function()
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{++this.suppressNotifications;};
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