//----------------------------------------------------------
// Copyright (C) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------
// SilverlightMedia.js
Type.registerNamespace("Sys.UI.Silverlight");Sys.UI.Silverlight._DomElement=function(a,b){this._element=a;this._visible=!!b;this._bindAutoAnimations(a,a.Name)};Sys.UI.Silverlight._DomElement.prototype={_events:null,_animations:null,_enabled:true,_mouseOver:false,get_element:function(){return this._element},get_enabled:function(){return this._enabled},set_enabled:function(a){if(a!==this.get_enabled()){this._enabled=a;this._play(a?"enable":"disable");if(!a&&this._mouseOver){this._play("leave");this._mouseOver=false}}},get_visible:function(){return this._visible},set_visible:function(a){if(a!==this.get_visible()){this._visible=a;if(!this._play(a?"show":"hide"))this.get_element().visibility=a?0:1}},_bindAutoAnimations:function(b,a){this._animations={"show":b.findName(a+"_Show"),"hide":b.findName(a+"_Hide"),"enable":b.findName(a+"_Enable"),"disable":b.findName(a+"_Disable"),"leave":b.findName(a+"_MouseLeave")};if(this._animations["leave"]){this.bindEvent("mouseEnter",a+"_MouseEnter",this._onEnter);this.bindEvent("mouseLeave",a+"_MouseLeave",this._onLeave)}},bindEvent:function(d,c,a,g){var e=this.get_element(),b=null;if(c)b=e.findName(c);if(!b&&!a)return;if(a)a=Function.createDelegate(g||this,a);var f=this._createEventHandler(b,a),h=e.addEventListener(d,f);if(!this._events)this._events=[];this._events[this._events.length]={eventName:d,token:h,handler:f}},_createEventHandler:function(a,b){return Function.createDelegate(this,function(c,d){if(!this.get_enabled())return;if(b&&!b(c,d))return;if(a)a.begin()})},dispose:function(){if(this._events){var c=this.get_element();for(var a=0,d=this._events.length;a<d;a++){var b=this._events[a];c.removeEventListener(b.eventName,b.token)}this._events=null}this._animations=null;this._element=null},_onEnter:function(){this._mouseOver=true;return true},_onLeave:function(){this._mouseOver=false;return true},_play:function(b){var a=this._animations[b];if(a){a.begin();return true}return false}};Sys.UI.Silverlight._DomElement.registerClass("Sys.UI.Silverlight._DomElement",null,Sys.IDisposable);Sys.UI.Silverlight._Button=function(b,i,h,f,d,e,c){Sys.UI.Silverlight._Button.initializeBase(this,[b,i]);b.cursor="Hand";this._repeatInterval=h;this._clickDelegate=f?Function.createDelegate(e,f):null;this._doubleClickDelegate=d?Function.createDelegate(e,d):null;this._elements=[];if(c)for(var a=0;a<c.length;a++){var g=b.findName(c[a]);this._elements[a]=g?new Sys.UI.Silverlight._DomElement(g,a===0):null}};Sys.UI.Silverlight._Button.prototype={_down:false,_last:0,_state:0,_repeatTimeout:null,_repeatClickDelegate:null,set_enabled:function(a){Sys.UI.Silverlight._Button.callBaseMethod(this,"set_enabled",[a]);this.get_element().cursor=a?"Hand":"Default"},get_state:function(){return this._state},set_state:function(b){if(b===this.get_state())return;var a=this._elements[this._state];if(a)a.set_visible(false);this._state=b;a=this._elements[this._state];if(a)a.set_visible(true)},_bindAutoAnimations:function(b,a){Sys.UI.Silverlight._Button.callBaseMethod(this,"_bindAutoAnimations",[b,a]);this.bindEvent("mouseLeftButtonDown",a+"_MouseDown",this._mouseDown);this.bindEvent("mouseLeftButtonUp",a+"_MouseUp",this._mouseUp);this.bindEvent("mouseLeave",a+"_MouseUp",this._mouseLeave)},_cancelRepeat:function(){window.clearTimeout(this._repeatTimeout);this._repeatTimeout=null},dispose:function(){this._cancelRepeat();if(this._elements){for(var a=0,c=this._elements.length;a<c;a++){var b=this._elements[a];if(b)b.dispose()}this._elements=null}Sys.UI.Silverlight._Button.callBaseMethod(this,"dispose")},_doClick:function(a){if(a&&this._doubleClickDelegate)this._doubleClickDelegate(this);else if(this._clickDelegate)this._clickDelegate(this)},_mouseDown:function(){this._down=true;if(this._repeatInterval&&!this._repeatTimeout){this._doClick(false);this._repeatClickDelegate=Function.createDelegate(this,this._repeatClick);this._repeatTimeout=window.setTimeout(this._repeatClickDelegate,500)}return true},_mouseLeave:function(){if(!this._down)return false;this._down=false;this._cancelRepeat();return true},_mouseUp:function(){if(!this._down)return false;this._down=false;if(this._repeatTimeout)this._cancelRepeat();else{var b=this._last;this._last=new Date;var a=b&&this._last-b<300;if(a)this._last=0;this._doClick(a)}return true},_repeatClick:function(){this._repeatTimeout=window.setTimeout(this._repeatClickDelegate,this._repeatInterval);this._doClick(false)}};Sys.UI.Silverlight._Button.registerClass("Sys.UI.Silverlight._Button",Sys.UI.Silverlight._DomElement);Sys.UI.Silverlight._Slider=function(a,d,f,e,b){this._horizontal=a.width>=a.height;var c=a.findName(d);Sys.UI.Silverlight._Slider.initializeBase(this,[a,f]);this._changedHandler=b?Function.createDelegate(b,e):null;a.cursor="Hand";c.cursor="Hand";this._thumb=new Sys.UI.Silverlight._DomElement(c,true);this._thumb.bindEvent("mouseLeftButtonDown",null,this._thumbDown,this);this._thumb.bindEvent("mouseLeftButtonUp",null,this._thumbUp,this);this._thumb.bindEvent("mouseMove",null,this._thumbMove,this);this.bindEvent("mouseLeftButtonDown",null,this._sliderDown);var g=a.getHost().content.root;this._rootToken=g.addEventListener("mouseLeave",Function.createDelegate(this,this._thumbUp))};Sys.UI.Silverlight._Slider.prototype={_readOnly:false,_dragging:false,_last:null,set_enabled:function(a){if(this.get_enabled()!==a){Sys.UI.Silverlight._Slider.callBaseMethod(this,"set_enabled",[a]);if(!a)this.set_value(0);this.get_element().cursor=a?"Hand":"Default";if(this._highlight)this._highlight.set_visible(a);this._thumb.set_visible(a);this._thumb.get_element().cursor=a?"Hand":"Default"}},get_readOnly:function(){return this._readOnly},set_readOnly:function(a){if(a!==this._readOnly){this._readOnly=a;this._stopDragging()}},get_value:function(){var a,c=this._thumb.get_element(),b=this.get_element();if(this._horizontal)a=(c["Canvas.Left"]-b["Canvas.Left"])/(b.width-c.width);else{a=c["Canvas.Top"]-b["Canvas.Top"];a=1-a/(b.height-c.height)}a=Math.round(a*1000)/1000;return Math.min(1,Math.max(0,a))},set_value:function(a){this._last=null;if(!this._dragging){a=Math.max(0,Math.min(1,a));this._setThumbPosition(a)}},_bindAutoAnimations:function(b,c){Sys.UI.Silverlight._Slider.callBaseMethod(this,"_bindAutoAnimations",[b,c]);var a=b.findName(c+"_Highlight");if(a){a[this._horizontal?"width":"height"]=0;this._highlight=new Sys.UI.Silverlight._DomElement(a,true)}else this._highlight=null},_detectChanged:function(a){if(a!==this._last&&this._changedHandler){this._last=a;this._changedHandler(this)}},dispose:function(){if(this._thumb){this._thumb.dispose();this._thumb=null}if(this._highlight){this._highlight.dispose();this._highlight=null}if(this._rootToken!==null){this.get_element().getHost().content.root.removeEventListener("mouseLeave",this._rootToken);this._rootToken=null}Sys.UI.Silverlight._Slider.callBaseMethod(this,"dispose")},_setThumbPosition:function(e){var b=this._toLocation(e),a=this._thumb.get_element(),d=this.get_element(),c=this._highlight?this._highlight.get_element():null;if(this._horizontal){a["Canvas.Left"]=b+d["Canvas.Left"]-a.width/2;if(c)c.width=b}else{a["Canvas.Top"]=b+d["Canvas.Top"]-a.height/2;if(c){c["Canvas.Top"]=d["Canvas.Top"]+b;c.height=d.height-b+a.height/2}}},_sliderDown:function(c,b){if(this._readOnly)return false;var a=this._toValue(b.getPosition(c));this._setThumbPosition(a);this._detectChanged(a);this._startDragging();return true},_startDragging:function(){this._dragging=true;this._thumb.get_element().CaptureMouse()},_stopDragging:function(){if(this._dragging){this._thumb.get_element().ReleaseMouseCapture();this._dragging=false}},_thumbDown:function(){if(this._readOnly)return false;this._startDragging();return true},_thumbUp:function(){if(this._readOnly)return false;if(this._dragging)this._detectChanged(this.get_value());this._stopDragging();return true},_thumbMove:function(b,a){if(this._dragging)this._setThumbPosition(this._toValue(a.getPosition(this.get_element())));return true},_toLocation:function(c){c=Math.min(1,Math.max(0,c));var b=this._thumb.get_element(),d=this.get_element(),a;if(this._horizontal){a=d.width-b.width;return b.width/2+c*a}else{a=d.height-b.height;return b.height/2+(1-c)*a}},_toValue:function(d){var a,b=this._thumb.get_element(),c=this.get_element();if(this._horizontal)a=(d.X-b.width/2)/(c.width-b.width);else{a=(d.Y-b.height/2)/(c.height-b.height);a=1-a}a=Math.round(a*1000)/1000;return Math.min(1,Math.max(0,a))}};Sys.UI.Silverlight._Slider.registerClass("Sys.UI.Silverlight._Slider",Sys.UI.Silverlight._DomElement);Sys.UI.Silverlight._TextBlock=function(b,a,c){Sys.UI.Silverlight._TextBlock.initializeBase(this,[b,c]);if(a){this._bg=new Sys.UI.Silverlight._DomElement(a,c);this._centerX=a["Canvas.Left"]+a.width/2;this._bottomY=a["Canvas.Top"]+a.height}else{this._bg=null;this._centerX=b["Canvas.Left"]+b.ActualWidth/2;this._bottomY=b["Canvas.Top"]+b.ActualHeight}};Sys.UI.Silverlight._TextBlock.prototype={get_text:function(){return this.get_element().Text||""},set_text:function(c){var b=this.get_element();b.Text=c||"";this.set_visible(!!c);var a=this._bg?this._bg.get_element():b;a.width=b.ActualWidth;a.height=b.ActualHeight;a["Canvas.Left"]=this._centerX-a.width/2;a["Canvas.Top"]=this._bottomY-a.height},set_visible:function(a){Sys.UI.Silverlight._TextBlock.callBaseMethod(this,"set_visible",[a]);if(this._bg)this._bg.set_visible(a)},dispose:function(){Sys.UI.Silverlight._TextBlock.callBaseMethod(this,"dispose");if(this._bg)this._bg.dispose()}};Sys.UI.Silverlight._TextBlock.registerClass("Sys.UI.Silverlight._TextBlock",Sys.UI.Silverlight._DomElement);Sys.UI.Silverlight._ProgressBar=function(a,b,c){Sys.UI.Silverlight._ProgressBar.initializeBase(this,[a,c]);this._fullWidth=a.width;a.width=0;if(b){this._text=new Sys.UI.Silverlight._TextBlock(b,null,c);this._text.set_text("")}else this._text=null};Sys.UI.Silverlight._ProgressBar.prototype={get_value:function(){var a=this._fullWidth!==0?this.get_element().width/this._fullWidth:0;return Math.round(a*1000)/1000},set_value:function(a){this.get_element().width=this._fullWidth*a;if(this._text)this._text.set_text(""+Math.floor(a*100))},set_visible:function(a){Sys.UI.Silverlight._ProgressBar.callBaseMethod(this,"set_visible",[a]);if(this._text)this._text.set_visible(a)},dispose:function(){Sys.UI.Silverlight._ProgressBar.callBaseMethod(this,"dispose");if(this._text)this._text.dispose()}};Sys.UI.Silverlight._ProgressBar.registerClass("Sys.UI.Silverlight._ProgressBar",Sys.UI.Silverlight._DomElement);Sys.UI.Silverlight._ImageList=function(a,b,c,d,e){this._horizontal=a&&a.width>=a.height;this._reference=this._horizontal?"Canvas.Left":"Canvas.Top";Sys.UI.Silverlight._ImageList.initializeBase(this,[a,c]);this._toggle=b?new Sys.UI.Silverlight._Button(b,c,0,this._onToggle,null,this):null;this._itemClickDelegate=Function.createDelegate(e,d);this._virtualItems=[];this._imageItems=[]};Sys.UI.Silverlight._ImageList.prototype={_next:null,_previous:null,_scrollAnimation:null,_scrollStoryboard:null,_itemSize:0,_itemSpacing:0,_canActivate:true,_active:false,_scrollOffset:0,_overflowIndex:0,get_active:function(){return this._active},set_active:function(a){if(a!==this.get_active()){this._active=a;this.get_element().visibility=a?0:1;if(this._toggle)this._toggle.set_visible(a);if(a){if(!this._toggle)this.get_element().IsHitTestVisible=true}else this.set_visible(false)}},get_canActivate:function(){return this._canActivate},set_canActivate:function(a){if(a!==this.get_canActivate()){this._canActivate=a;this._ensureActivation()}},get_items:function(){return this._virtualItems},set_items:function(a){this._virtualItems=a||[];this._imageItems=[];if(a)for(var b=0,c=a.length;b<c;b++)if(a[b].get_thumbnailSource())this._imageItems[this._imageItems.length]=b;this._ensureActivation()},set_visible:function(a){Sys.UI.Silverlight._ImageList.callBaseMethod(this,"set_visible",[a]);this.get_element().IsHitTestVisible=a},_assignImages:function(){for(var b=0,f=this._items.length;b<f;b++){var a=this._items[b],c=this._scrollOffset+b;if(c<this._imageItems.length){var e=a.image.get_element(),d=this._virtualItems[this._imageItems[c]];e.source=null;e.source=d.get_thumbnailSource();a.button.set_visible(true);a.button._imageIndex=c;if(a.title)a.title.set_text(d.get_title())}else{a.button.set_visible(false);a.button._imageIndex=null}}},_bindAutoAnimations:function(a,b){Sys.UI.Silverlight._ImageList.callBaseMethod(this,"_bindAutoAnimations",[a,b]);var g=a.findName(b+"_ScrollAnimationStoryboard"),c=a.findName(b+"_ScrollAnimation");if(g&&c){this._scrollStoryboard=g;this._scrollAnimation=c;var d=c.duration.seconds*1000,e=a.findName(b+"_ScrollNext"),f=a.findName(b+"_ScrollPrevious");if(e&&f){this._next=new Sys.UI.Silverlight._Button(e,true,d,this._scrollNext,null,this);this._previous=new Sys.UI.Silverlight._Button(f,true,d,this._scrollPrevious,null,this)}}this._bindItems(a,b)},_bindItems:function(f,e){this._items=[];var d,c,g;for(var a=1;d=f.findName(e+"_ScrollItem"+a),(c=f.findName(e+"_ScrollItem"+a+"_Image"),(title=f.findName(e+"_ScrollItem"+a+"_Title"),d&&c));a++)this._items[a-1]={button:new Sys.UI.Silverlight._Button(d,true,0,this._itemClick,null,this),image:new Sys.UI.Silverlight._DomElement(c,true),title:title?new Sys.UI.Silverlight._TextBlock(title,null,true):null};if(this._items.length>0){var b=this._items[0].button.get_element();this._itemSize=this._horizontal?b.width:b.height;this._itemSpacing=b[this._reference]*2}},dispose:function(){if(this._next)this._next.dispose();if(this._previous)this._previous.dispose();if(this._toggle)this._toggle.dispose();for(var b=0,c=this._items.length;b<c;b++){var a=this._items[b];a.button.dispose();a.image.dispose();if(a.title)a.title.dispose()}this._virtualItems=null;this._imageItems=null;this._scrollAnimation=null;this._scrollStoryboard=null;Sys.UI.Silverlight._ImageList.callBaseMethod(this,"dispose")},_ensureActivation:function(){if(this._imageItems.length===0||!this.get_canActivate())this.set_active(false);else{this.set_active(true);this._reset();this._assignImages()}},_handleOverflow:function(c){var f=c===1?this._items.length-1:-1,b=this._scrollOffset+f,a=this._items[this._overflowIndex],e=a.image.get_element(),d=this._virtualItems[this._imageItems[b]];e.source=null;e.source=d.get_thumbnailSource();a.button._imageIndex=b;if(a.title)a.title.set_text(d.get_title());var g=a.button.get_element();g[this._reference]=b*(this._itemSize+this._itemSpacing)+this._itemSpacing/2;this._overflowIndex+=c;if(this._overflowIndex<0)this._overflowIndex=this._items.length-1;else if(this._overflowIndex>=this._items.length)this._overflowIndex=0},_itemClick:function(b){var a=b._imageIndex;if(a!==null)this._itemClickDelegate(this._imageItems[a])},_onToggle:function(){this.set_visible(!this.get_visible())},_reset:function(){var c=this._scrollOffset;this._scrollOffset=0;for(var a=0,d=this._items.length;a<d;a++){var b=this._items[a].button;b._imageIndex=a;b.get_element()[this._reference]=a*(this._itemSize+this._itemSpacing)+this._itemSpacing/2}this._overflowIndex=this._items.length-1;if(this._scrollAnimation&&c!==0){this._scrollAnimation.To="0";this._scrollStoryboard.begin()}},_scroll:function(a){if(this._scrollAnimation){this._handleOverflow(a);var b=this._scrollOffset;this._scrollOffset+=a;this._scrollAnimation.From="-"+b*(this._itemSize+this._itemSpacing);this._scrollAnimation.To="-"+this._scrollOffset*(this._itemSize+this._itemSpacing);this._scrollStoryboard.begin()}else{this._scrollOffset+=a;this._assignImages()}},_scrollNext:function(){if(this._scrollOffset<this._imageItems.length-this._items.length+1)this._scroll(1)},_scrollPrevious:function(){if(this._scrollOffset>0)this._scroll(-1)}};Sys.UI.Silverlight._ImageList.registerClass("Sys.UI.Silverlight._ImageList",Sys.UI.Silverlight._DomElement);Sys.UI.Silverlight.MarkerEventArgs=function(a){this._marker=a;Sys.UI.Silverlight.MarkerEventArgs.initializeBase(this)};Sys.UI.Silverlight.MarkerEventArgs.prototype={get_marker:function(){return this._marker||null}};Sys.UI.Silverlight.MarkerEventArgs.registerClass("Sys.UI.Silverlight.MarkerEventArgs",Sys.EventArgs);Sys.UI.Silverlight.MediaChapterEventArgs=function(a){this._chapter=a;Sys.UI.Silverlight.MediaChapterEventArgs.initializeBase(this)};Sys.UI.Silverlight.MediaChapterEventArgs.prototype={get_chapter:function(){return this._chapter||null}};Sys.UI.Silverlight.MediaChapterEventArgs.registerClass("Sys.UI.Silverlight.MediaChapterEventArgs",Sys.CancelEventArgs);Sys.UI.Silverlight.MediaChapter=function(c,b,a){this._title=c;this._position=b;this._thumbnailSource=a;Sys.UI.Silverlight.MediaChapter.initializeBase(this)};Sys.UI.Silverlight.MediaChapter.prototype={get_position:function(){return this._position},get_thumbnailSource:function(){return this._thumbnailSource||""},get_title:function(){return this._title||""}};Sys.UI.Silverlight.MediaChapter._createChapters=function(){var b=[];for(var a=0,c=arguments.length;a<c;a+=3){var f=arguments[a]||"",d=arguments[a+1],e=arguments[a+2]||"";b[b.length]=new Sys.UI.Silverlight.MediaChapter(arguments[a],arguments[a+1],arguments[a+2])}return b};Sys.UI.Silverlight.MediaChapter.registerClass("Sys.UI.Silverlight.MediaChapter");Sys.UI.Silverlight.MediaPlayer=function(a){this._children={};this._timeline=[];Sys.UI.Silverlight.MediaPlayer.initializeBase(this,[a])};Sys.UI.Silverlight.MediaPlayer.prototype={_autoPlay:false,_autoLoad:true,_forcePlay:false,_bufferPlaying:false,_canSeek:false,_caption:"",_chapters:null,_chapterStarted:-1,_duration:0,_enableCaptions:true,_me:null,_mediaAvailable:false,_mediaSource:"",_muted:false,_oldState:null,_placeholder:"",_toggledCaptions:true,_volume:.5,_forcePlayOnStop:false,add_chapterSelected:function(a){this.get_events().addHandler("chapterSelected",a)},remove_chapterSelected:function(a){this.get_events().removeHandler("chapterSelected",a)},add_chapterStarted:function(a){this.get_events().addHandler("chapterStarted",a)},remove_chapterStarted:function(a){this.get_events().removeHandler("chapterStarted",a)},add_currentStateChanged:function(a){this.get_events().addHandler("currentStateChanged",a)},remove_currentStateChanged:function(a){this.get_events().removeHandler("currentStateChanged",a)},add_markerReached:function(a){this.get_events().addHandler("markerReached",a)},remove_markerReached:function(a){this.get_events().removeHandler("markerReached",a)},add_mediaEnded:function(a){this.get_events().addHandler("mediaEnded",a)},remove_mediaEnded:function(a){this.get_events().removeHandler("mediaEnded",a)},add_mediaFailed:function(a){this.get_events().addHandler("mediaFailed",a)},remove_mediaFailed:function(a){this.get_events().removeHandler("mediaFailed",a)},add_mediaOpened:function(a){this.get_events().addHandler("mediaOpened",a)},remove_mediaOpened:function(a){this.get_events().removeHandler("mediaOpened",a)},add_volumeChanged:function(a){this.get_events().addHandler("volumeChanged",a)},remove_volumeChanged:function(a){this.get_events().removeHandler("volumeChanged",a)},get_autoPlay:function(){return this._autoPlay},set_autoPlay:function(a){this._autoPlay=a;if(this._me){this._me.autoPlay=a;this._ensureMedia()}},get_autoLoad:function(){return this._autoLoad},set_autoLoad:function(a){this._autoLoad=a;if(this._me)this._ensureMedia()},get_caption:function(){return this._caption},set_caption:function(a){this._caption=a;this._ensureCaption()},get_chapters:function(){if(this._chapters)return Array.clone(this._chapters);return []},set_chapters:function(a){this._chapters=a;this._setProperties("items",["ChapterArea"],a);this._timeline=[];if(a)for(var b=0,c=a.length;b<c;b++)this._timeline[this._timeline.length]=a[b].get_position();this._ensureChapterStarted(true)},get_currentChapter:function(){return this._chapterStarted===-1?null:this.get_chapters()[this._chapterStarted]},set_currentChapter:function(a){this._ensureLoaded();var b=this.get_chapters();this.set_position(a.get_position());this._ensureChapterStarted(false)},get_currentState:function(){return this._me?this._me.currentState:null},get_enableCaptions:function(){return this._enableCaptions},set_enableCaptions:function(a){if(a!==this.get_enableCaptions()){this._enableCaptions=a;this._ensureCaption()}},get_mediaElement:function(){return this._me},get_mediaSource:function(){return this._mediaSource},set_mediaSource:function(b){this._mediaSource=b;this._forcePlay=false;if(this._me){this._loadPlaceholder();var a=!this.get_autoPlay()&&!this.get_autoLoad();this._me.source=a?null:b;if(a)this._ensureMedia()}},get_muted:function(){return this._muted},set_muted:function(a){if(a!==this.get_muted()){this._muted=a;if(this._me){this._me.isMuted=a;this._setProperties("state",["MuteButton"],a?1:0)}this.onVolumeChanged(Sys.EventArgs.Empty);this._raiseEvent("volumeChanged")}},get_placeholderSource:function(){return this._placeholder},set_placeholderSource:function(a){this._placeholder=a},get_position:function(){return this._me?this._me.position.seconds:0},set_position:function(a){this._ensureLoaded();if(!this._canSeek)return;this._mediaEnded=false;this.set_caption("");a=Math.min(this._duration,Math.max(0,a));var b=this._me.position;b.seconds=a;this._me.position=b;this._ensurePosition(a)},get_volume:function(){return this._volume},set_volume:function(a){if(a!==this.get_volume()){this._volume=a;if(this._me&&this._me.currentState!=="Closed")this._me.volume=a;this.onVolumeChanged(Sys.EventArgs.Empty);this._raiseEvent("volumeChanged")}this._setProperties("value",["VolumeSlider"],a)},_bindAllControls:function(){var b=this.get_element().content.root;this._bindElements(b,[[0,["FullScreenVideoWindow",false],["BufferingArea",false],["PlayerControls",true],["PlaceholderImage",false]],[1,["VideoWindow",true,0,this._onTogglePlayPause,this._meDoubleClick,this],["FullScreenArea",false,0,this._onTogglePlayPause,this._meDoubleClick,this],["PlayButton",true,0,this._onPlay,null,this],["StartButton",false,0,this._onPlay,null,this],["PlayPauseButton",true,0,this._onTogglePlayPause,null,this,["PlaySymbol","PauseSymbol"]],["StopButton",true,0,this._onStop,null,this],["PauseButton",true,0,this._onPause,null,this],["MuteButton",true,0,this._onMute,null,this,["MuteOffSymbol","MuteOnSymbol"]],["FullScreenButton",true,0,this._onToggleFullScreen,null,this],["NextButton",true,0,this._onNext,null,this],["PreviousButton",true,0,this._onPrevious,null,this],["VolumeUpButton",true,20,this._onVolumeUp,null,this],["VolumeDownButton",true,20,this._onVolumeDown,null,this],["CaptionToggleButton",false,0,this._onCaptionToggle,null,this,["CaptionOnSymbol","CaptionOffSymbol"]]],[2,["TotalTimeText",null,true],["CurrentTimeText",null,true],["CaptionText",b.findName("CaptionArea"),false],["BufferingText",null,false],["FullScreenCaptionText",b.findName("FullScreenCaptionArea"),false]],[3,["TimeSlider","TimeThumb",true,this._onTimeChanged,this],["VolumeSlider","VolumeThumb",true,this._onVolumeChanged,this]],[4,["ChapterArea",b.findName("ChapterToggleButton"),false,this._onChapterClick,this]],[5,["DownloadProgressSlider",b.findName("DownloadProgressText"),true]]]);this._bufferingStoryboard=b.findName("BufferingArea_Buffering");var a=this._children["VideoWindow"];if(!a)throw Error.invalidOperation(Sys.UI.Silverlight.MediaRes.noMediaElement);this._me=a.get_element();a.bindEvent("mediaOpened",null,this._meOpened,this);a.bindEvent("mediaFailed",null,this._meFailed,this);a.bindEvent("mediaEnded",null,this._meEnded,this);a.bindEvent("downloadProgressChanged",null,this._meDownloadProgress,this);a.bindEvent("bufferingProgressChanged",null,this._meBufferingProgress,this);a.bindEvent("markerReached",null,this._meMarker,this);a.bindEvent("currentStateChanged",null,this._meState,this)},_bindElements:function(k,f){for(var d=0,l=f.length;d<l;d++){var c=f[d],i=c[0];for(var e=1,j=c.length;e<j;e++){var b=c[e],g=b[0],h=k.findName(g);if(!h)continue;var a;switch(i){case 0:a="_DomElement";break;case 1:a="_Button";break;case 2:a="_TextBlock";break;case 3:a="_Slider";break;case 4:a="_ImageList";break;case 5:a="_ProgressBar"}a=Sys.UI.Silverlight[a];this._children[g]=new a(h,b[1],b[2],b[3],b[4],b[5],b[6])}}},_detectChapterChange:function(a){if(this._timeline.length===0)return;var b=this._chapterStarted===-1?-Infinity:this._timeline[this._chapterStarted],c=this._chapterStarted+1>=this._timeline.length?Infinity:this._timeline[this._chapterStarted+1];if(a<b||a>c)this._ensureChapterStarted(false,a)},_enableBuffering:function(b){var a=b!==null&&b<100;if(a)this._setProperties("text",["BufferingText"],Math.floor(b).toString());this._setProperties("visible",["BufferingText","BufferingArea"],a);var c=this._bufferingStoryboard;if(!c)return;if(!a){c.stop();this._bufferPlaying=false}else if(!this._bufferPlaying){c.begin();this._bufferPlaying=true}},_ensureCaption:function(){var b=this._toggledCaptions&&this.get_enableCaptions(),a=b?this.get_caption():"";this._setProperties("text",["CaptionText","FullScreenCaptionText"],a);if(a)this._setProperties("visible",["CaptionToggleButton"],true)},_ensureChapterStarted:function(c,b){if(!this._me)return;if(!b)b=this.get_position();var a=this._canSeek?this._getChapterAt(b):-1;if(c&&(a!==-1||a!==this._chapterStarted)||a!==this._chapterStarted)this._raiseChapterStarted(a)},_ensureLoaded:function(){if(!this._loaded)throw Error.invalidOperation(Sys.UI.Silverlight.MediaRes.silverlightNotLoaded)},_ensureMedia:function(){var b=this._mediaAvailable,a=this._duration>0,c=a&&this._canSeek,f=this.get_autoPlay()||this.get_autoLoad(),e=!!this.get_mediaSource(),h=!this._children["StartButton"]&&!f&&e;this._setProperties("canActivate",["ChapterArea"],c);this._setProperties("readOnly",["TimeSlider"],!c);this._setProperties("enabled",["TimeSlider"],a);this._setProperties("visible",["TotalTimeText","CurrentTimeText"],a);this._setProperties("enabled",["PreviousButton","NextButton"],c);this._setProperties("enabled",["PauseButton","StopButton"],b);this._setProperties("enabled",["PlayPauseButton","PlayButton"],b||h);var d=this._children["StartButton"];if(d){var g=!b&&!f&&e;d.set_visible(g);d.get_element().IsHitTestVisible=g}if(a)this._setProperties("text",["TotalTimeText"],this._formatTime(this._duration))},_ensurePosition:function(a){if(this._duration){a=a||this.get_position();this._setProperties("text",["CurrentTimeText"],this._formatTime(a));this._setProperties("value",["TimeSlider"],a/this._duration)}},_formatTime:function(e){var a=Math.floor(e/60/60),b=Math.floor(e/60)-a*60,c=Math.floor(e)-b*60-a*60*60,d="";if(a){a="0"+a;d=a.substr(a.length-2,2)+":"}b="0"+b;d+=b.substr(b.length-2,2)+":";c="0"+c;d+=c.substr(c.length-2,2);return d},_getChapterAt:function(b){for(var a=0,c=this._timeline.length;a<=c;a++)if(a===this._timeline.length||this._timeline[a]-.001>b)return a-1},_loadPlaceholder:function(){var b=this.get_placeholderSource(),a=this._children["PlaceholderImage"];if(a&&b){a.get_element().source=b;a.set_visible(true)}},_meBufferingProgress:function(){if(!this._me)return;var a=Math.round(this._me.bufferingProgress*100);this._enableBuffering(a)},_mediaQueued:function(){return !this.get_autoPlay()&&!this.get_autoLoad()&&!this._me.source&&this.get_mediaSource()},_meDoubleClick:function(){if(!this._me)return;this._onTogglePlayPause();this._onToggleFullScreen()},_meDownloadProgress:function(){if(!this._me)return;this._enableBuffering(null);this._setProperties("value",["DownloadProgressSlider"],this._me.downloadProgress)},_meMarker:function(f,d){if(!this._me)return;var a=d.marker;if(this._toggledCaptions&&this.get_enableCaptions()){var e=a.type?a.type.toLowerCase():"";if(e==="caption"){var b=a.text?a.text:"";if(b.trim().length===0)b="";this.set_caption(b);this.raisePropertyChanged("caption")}}var c=new Sys.UI.Silverlight.MarkerEventArgs(a);this.onMarkerReached(c);this._raiseEvent("markerReached",c)},_meEnded:function(){if(!this._me)return;this._mediaEnded=true;this._forcePlay=false;this.onMediaEnded(Sys.EventArgs.Empty);this._raiseEvent("mediaEnded")},_meFailed:function(c,b){if(!this._me)return;this._mediaAvailable=false;this._mediaEnded=false;this._canSeek=false;this._forcePlay=false;this._duration=0;this._ensureMedia();this._enableBuffering(null);this.set_caption("");var a=new Sys.UI.Silverlight.ErrorEventArgs(b);this.onMediaFailed(a);this._raiseEvent("mediaFailed",a)},_meOpened:function(){if(!this._me)return;this._mediaEnded=false;this._mediaAvailable=true;this._canSeek=this._me.canSeek;this._duration=this._me.naturalDuration.seconds;this._me.volume=this.get_volume();this._setProperties("visible",["PlaceholderImage"],false);this.set_caption("");this._ensurePosition();this._ensureMedia();if(!this._timerCookie){this._tickTimerDelegate=Function.createDelegate(this,this._tickTimer);this._timerCookie=window.setTimeout(this._tickTimerDelegate,200)}this.onMediaOpened(Sys.EventArgs.Empty);this._raiseEvent("mediaOpened");if(this._forcePlay){this._forcePlay=false;this._me.play()}},_meState:function(){if(!this._me)return;var a=this._me.currentState;if(a==="Stopped"&&this._forcePlayOnStop){this._forcePlayOnStop=false;this._me.play()}if(a===this._oldState)return;this._oldState=a;if(a==="Closed"){if(this._mediaAvailable){this._enableBuffering(null);this._mediaAvailable=false;this._canSeek=false;this._forcePlay=false;this._duration=0;this._mediaEnded=false;this._ensureMedia();this.set_caption("")}}else if(a==="Playing"||a==="Paused")this._enableBuffering(null);this._setProperties("state",["PlayPauseButton"],a==="Playing"?1:0);this.onCurrentStateChanged(Sys.EventArgs.Empty);this._raiseEvent("currentStateChanged")},_onCaptionToggle:function(){this._toggledCaptions=!this._toggledCaptions;this._ensureCaption();this._setProperties("state",["CaptionToggleButton"],this._toggledCaptions?0:1)},_onChapterClick:function(d){var b=this.get_chapters();if(d<b.length){var c=b[d],a=new Sys.UI.Silverlight.MediaChapterEventArgs(c);this.onChapterSelected(a);this._raiseEvent("chapterSelected",a);if(!a.get_cancel())this.set_currentChapter(c)}},onChapterSelected:function(){},onChapterStarted:function(){},onCurrentStateChanged:function(){},onMarkerReached:function(){},onMediaEnded:function(){},onMediaFailed:function(){},onMediaOpened:function(){},_onMute:function(){this.set_muted(!this.get_muted())},_onNext:function(){var a=this.get_chapters();if(!a||!a.length)this._skipTime(1);else{var d=this._chapterStarted+1;if(d<a.length){var c=a[d],b=new Sys.UI.Silverlight.MediaChapterEventArgs(c);this.onChapterSelected(b);this._raiseEvent("chapterSelected",b);if(!b.get_cancel())this.set_currentChapter(c)}}},_onPause:function(){this.pause()},_onPlay:function(){this.play()},onPluginFullScreenChanged:function(){var a=this._children["FullScreenArea"];if(!a)return;a=a.get_element();var b=this.get_element().content,d=b.root;if(b.FullScreen){a.Visibility=0;var g=0,h=0,e=this.get_scaleMode(),c=Sys.UI.Silverlight.Control._computeScale(d,e);if(e!==Sys.UI.Silverlight.ScaleMode.stretch){var f=Math.min(c.horizontal,c.vertical);g=(b.ActualWidth-a.width*f)/2;h=(b.ActualHeight-a.height*f)/2}this._originalScale=Sys.UI.Silverlight.Control._applyMatrix(d,c.horizontal,c.vertical,g,h)}else{Sys.UI.Silverlight.Control._applyMatrix(d,this._originalScale.horizontal,this._originalScale.vertical,0,0);a.Visibility=1}},_onPrevious:function(){var b=this.get_chapters();if(!b||!b.length)this._skipTime(-1);else{var a=-1;if(this._chapterStarted>=0){var e=this._timeline[this._chapterStarted],f=this.get_position();if(f-e>1)a=this._chapterStarted;else a=this._chapterStarted-1}var c=a===-1?null:b[a],d=new Sys.UI.Silverlight.MediaChapterEventArgs(c);this.onChapterSelected(d);this._raiseEvent("chapterSelected",d);if(!d.get_cancel())if(c)this.set_currentChapter(c);else this.set_position(0)}},_onStop:function(){this.stop()},_onToggleFullScreen:function(){var a=this.get_element().content;a.FullScreen=!a.FullScreen},_onTogglePlayPause:function(){this.get_currentState()==="Playing"?this.pause():this.play()},_onTimeChanged:function(a){this.set_position(a.get_value()*this._duration)},onVolumeChanged:function(){},_onVolumeChanged:function(a){this.set_volume(a.get_value())},_onVolumeDown:function(){this.set_volume(Math.max(0,this.get_volume()-.02))},_onVolumeUp:function(){this.set_volume(Math.min(1,this.get_volume()+.02))},pause:function(){this._ensureLoaded();this._me.pause()},play:function(){this._ensureLoaded();if(this._mediaQueued()){this._forcePlay=true;this._me.source=this.get_mediaSource();var a=this._children["StartButton"];if(a){a.set_visible(false);a.get_element().IsHitTestVisible=false}}else if(this._mediaEnded){this._mediaEnded=false;this.set_caption("");this._forcePlayOnStop=true;this._me.stop()}else this._me.play()},pluginDispose:function(){if(this._timerCookie){window.clearTimeout(this._timerCookie);this._timerCookie=null}for(var a in this._children)this._children[a].dispose();if(this._me){this._me.stop();this._me=null}if(this._bufferingStoryboard){this._bufferingStoryboard.stop();this._bufferingStoryboard=null}Sys.UI.Silverlight.MediaPlayer.callBaseMethod(this,"pluginDispose")},_raiseChapterStarted:function(a){this._chapterStarted=a;var c=a===-1?null:this.get_chapters()[a],b=new Sys.UI.Silverlight.MediaChapterEventArgs(c);this.onChapterStarted(b);this._raiseEvent("chapterStarted",b)},_raisepluginLoaded:function(){Sys.UI.Silverlight.MediaPlayer.callBaseMethod(this,"_raisepluginLoaded");this._bindAllControls();var a=this._me;this._loadPlaceholder();a.autoPlay=this.get_autoPlay();a.isMuted=this.get_muted();this._setProperties("state",["MuteButton"],this.get_muted()?1:0);a.volume=this.get_volume();this._setProperties("value",["VolumeSlider"],this.get_volume());this._setProperties("items",["ChapterArea"],this.get_chapters());this._ensureCaption();if(this.get_mediaSource()&&(this.get_autoPlay()||this.get_autoLoad()))a.source=this.get_mediaSource();else this._ensureMedia()},_setProperties:function(e,b,d){for(var a=0,f=b.length;a<f;a++){var c=this._children[b[a]];if(c)c["set_"+e](d)}},_skipTime:function(b){var a=Math.max(5,this._duration/10);a=b*a;var c=a+this.get_position();this.set_position(c)},stop:function(){this._ensureLoaded();this._me.stop();this._ensurePosition();this._mediaEnded=false;this.set_caption("")},_tickTimer:function(){this._timerCookie=window.setTimeout(this._tickTimerDelegate,200);var a=this.get_position();this._detectChapterChange(a);if(this._forceUpdate||this.get_currentState()==="Playing"){this._forceUpdate=false;this._ensurePosition(a)}}};Sys.UI.Silverlight.MediaPlayer.registerClass("Sys.UI.Silverlight.MediaPlayer",Sys.UI.Silverlight.Control);
Type.registerNamespace('Sys.UI.Silverlight');Sys.UI.Silverlight.MediaRes={"noMediaElement":"L\u0027origine Silverlight deve contenere un MediaElement denominato \"VideoWindow\".","silverlightNotLoaded":"Questa operazione non può essere eseguita prima dell\u0027evento \u0027silverlightLoaded\u0027 del client."};
if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();