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Catch a redirect in ImageLoader, set option to allow that domain and get... #619

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Catch a redirect in ImageLoader, set option to allow that domain and get... #619

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71 changes: 70 additions & 1 deletion source/feathers/controls/ImageLoader.as
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ package feathers.controls

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.DisplayObject;
import flash.display.Loader;
import flash.events.ErrorEvent;
import flash.events.Event;
Expand All @@ -22,6 +23,7 @@ package feathers.controls
import flash.net.URLLoader;
import flash.net.URLLoaderDataFormat;
import flash.net.URLRequest;
import flash.system.Capabilities;
import flash.system.ImageDecodingPolicy;
import flash.system.LoaderContext;
import flash.utils.ByteArray;
Expand Down Expand Up @@ -769,6 +771,35 @@ package feathers.controls
this._paddingLeft = value;
this.invalidate(INVALIDATION_FLAG_STYLES);
}

/**
* @private
*/
protected var _firstTry:Boolean;

/**
* @private
*/
private static var _isBrowserSet:Boolean;

/**
* @private
*/
private static var _isBrowser:Boolean;

private static function isBrowser():Boolean
{
if(!_isBrowserSet)
{
switch (Capabilities.playerType) {
case 'PlugIn':
case 'ActiveX':
_isBrowser = true;
}
_isBrowserSet = true;
}
return _isBrowser;
}

/**
* @private
Expand Down Expand Up @@ -927,6 +958,7 @@ package feathers.controls
else if(sourceURL != this._lastURL)
{
this._lastURL = sourceURL;
this._firstTry = true;

if(this.urlLoader)
{
Expand Down Expand Up @@ -1183,7 +1215,44 @@ package feathers.controls
*/
protected function loader_completeHandler(event:flash.events.Event):void
{
const bitmap:Bitmap = Bitmap(this.loader.content);
var content:DisplayObject;
if(!isBrowser())
{
content = this.loader.content;
}
else
{
try
{
content = this.loader.content;
}
catch(error:SecurityError)
{
import flash.system.Security;

var loaderDomain:String = this.loader.contentLoaderInfo.url;
if(-1 == this._lastURL.indexOf(loaderDomain) && this._firstTry)
{
Security.loadPolicyFile(loaderDomain + 'crossdomain.xml');
if( 0 == loaderDomain.indexOf('https') )
{
Security.allowDomain(loaderDomain);
}
else
{
Security.allowInsecureDomain(loaderDomain)
}

this.loader.load(new URLRequest(this._lastURL), LOADER_CONTEXT);
this._firstTry = false;
return;
}
throw error;
}
}

const bitmap:Bitmap = Bitmap(content);

this.loader.contentLoaderInfo.removeEventListener(flash.events.Event.COMPLETE, loader_completeHandler);
this.loader.contentLoaderInfo.removeEventListener(IOErrorEvent.IO_ERROR, loader_errorHandler);
this.loader.contentLoaderInfo.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, loader_errorHandler);
Expand Down