plugins/org.eclipse.actf.examples.scripteditor.doc/docs/scripts/vd-compat-ie.js - actf/org.eclipse.actf.examples - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009, 2012 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *    IBM Corporation - initial API and implementation
  *******************************************************************************/
 //
 // Ad-hoc codes to bridge the gap in implementations between modern browsers and old IEs
 //
 (function () {
   var FORMAT_REPLACE = { ogv: 'wmv', oga: 'wma', mp4: 'wmv', m4a: 'wma' }; // for new Audio(src) and HTMLMediaElement#src (not for HTMLSourceElement#src)
   var TYPE_SUPPORTED = { 'video/x-ms-wmv': true, 'audio/x-ms-wma': true, 'video/mpeg': true, 'audio/mpeg': true }; // for HTMLSourceElement#type
   var MAX_PRELOADERS = 4;

   if (typeof XMLHttpRequest == 'undefined') {
     XMLHttpRequest = function () {
       return new ActiveXObject('MSXML2.XMLHTTP');
     };
   }

   globalEventListeners = {};

   var fixMediaElement = function (media) {
     var wmpMedia = createWMPMedia(media);
     media.appendChild(wmpMedia);
     media.__wmpMedia__ = wmpMedia;
     media.__eventListeners__ = {};
     media.addEventListener = addEventListener;
     media.dispatchEvent = dispatchEvent;
     media.play = play;
     media.pause = pause;
     media.paused = true;
     media.ended = false;
     media.volume = wmpMedia.settings.volume / 100;
     media.currentTime = media.__prevTime__ = wmpMedia.controls.currentPosition;

     createScript(wmpMedia.id, 'positionChange(oldPosition, newPosition)', 'globalEventListeners["' + wmpMedia.id + '"].positionChange(oldPosition, newPosition)');
     createScript(wmpMedia.id, 'playStateChange(NewState)', 'globalEventListeners["' + wmpMedia.id + '"].playStateChange(NewState)');

     globalEventListeners[wmpMedia.id] = {
       positionChange: function (oldPosition, newPosition) {
         media.dispatchEvent({ type: 'seeked', target: media });
       },

       playStateChange: function (NewState) {
         switch (NewState) {
         case 2: // Paused
           media.paused = true;
           media.ended = false;
 //        media.dispatchEvent({ type: 'pause', target: media });
           break;
         case 3: // Playing
           media.paused = false;
           media.ended = false;
           media.dispatchEvent({ type: 'playing', target: media });
           break;
         case 8: // MediaEnded
           media.paused = true;
           media.ended = true;
           media.dispatchEvent({ type: 'ended', target: media });
           break;
         case 6: case 7: // Buffering, Waiting
           media.dispatchEvent({ type: 'waiting', target: media });
           break;
         }
       }
     };

     if (media.getAttribute('preload') != 'none' && !media.__wmpMedia__.settings.autoStart) {
       preloadMedia(media);
     }

     media.addEventListener('seeked', function (e) {
       var media = e.target;

       if (media.ended) {
         media.__pausedForSync__ = true;
         media.ended = false;
       }
     }, false);

     var prevTime = wmpMedia.controls.currentPosition;

     setInterval(function () {
       var time = wmpMedia.controls.currentPosition;

       if (time != prevTime) {
         media.dispatchEvent({ type: 'timeupdate', target: media });
       }
       else {
         media.dispatchEvent({ type: '__noop__', target: media });
       }

       prevTime = time;
     }, 250);
   };

   var createScript = function (htmlFor, event, text) {
     var s = document.createElement('script');
     s.htmlFor = htmlFor;
     s.event = event;
     s.text = text;
     document.body.appendChild(s);
   };

   var addEventListener = function (type, handler, capture) {
     var v = this.__eventListeners__[type] || [];
     v.push(handler);
     this.__eventListeners__[type] = v;
   };

   var dispatchEvent = function (e) {
     setTimeout(function () {
       var media = e.target;

       if (media.currentTime != media.__prevTime__) {
         media.__wmpMedia__.controls.currentPosition = media.__prevTime__ = media.currentTime;
       }

       media.__prevTime__ = media.currentTime = media.__wmpMedia__.controls.currentPosition;
       media.__wmpMedia__.settings.volume = media.volume * 100;
       media.volume = media.__wmpMedia__.settings.volume / 100;
       var v = media.__eventListeners__[e.type] || [];

       for (var i = 0; i < v.length; ++i) {
         v[i].call(media, e);
       }
     }, 0);
   };

   var play = function () {
     this.__wmpMedia__.controls.currentPosition = this.currentTime;
     this.__wmpMedia__.controls.play();
     this.paused = false;
     this.dispatchEvent({ type: 'play', target: this });
   };

   var pause = function () {
     this.currentTime = this.__wmpMedia__.controls.currentPosition;
     this.__wmpMedia__.controls.pause();
     this.paused = true;
     this.dispatchEvent({ type: 'pause', target: this });
   };

   var preloaders = 0;

   var preloadMedia = function (media) {
     (function () {
       if (preloaders < MAX_PRELOADERS) {
         var wmpFetch = createWMPFetch(media);
         media.appendChild(wmpFetch);
         ++preloaders;

         createScript(wmpFetch.id, 'openStateChange(NewState)', 'globalEventListeners["' + wmpFetch.id + '"].openStateChange(NewState)');
         createScript(wmpFetch.id, 'playStateChange(NewState)', 'globalEventListeners["' + wmpFetch.id + '"].playStateChange(NewState)');

         globalEventListeners[wmpFetch.id] = {
           openStateChange: function (NewState) {
             if (NewState == 13) { // MediaOpen
               --preloaders;
             }
           },

           playStateChange: function (NewState) {
             if (NewState == 3) { // Playing
               wmpFetch.controls.stop();
             }
           }
         };
       }
       else {
         setTimeout(arguments.callee, 1000);
       }
     })();
   };

   var fixDOMStructure = function (media) {
     var newMedia = document.createElement(media.outerHTML);
     var v = [];

     for (var e = media.nextSibling; e.tagName != '/' + media.tagName; e = e.nextSibling) {
       v.push(e);
     }

     for (var i = 0; i < v.length; ++i) {
       newMedia.appendChild(v[i]);
     }

     media.parentNode.replaceChild(newMedia, media);

     return newMedia;
   };

   var createWMPMedia = function (media) {
     var wmp = document.createElement('object');
     wmp.appendChild(createWMPParam('URL', getSourceURL(media)));
     wmp.appendChild(createWMPParam('autoStart', media.getAttribute('autoplay') !== null ? 'true' : 'false'));
     wmp.appendChild(createWMPParam('uiMode', media.getAttribute('controls') !== null ? 'full' : 'none'));
     wmp.appendChild(createWMPParam('mute', media.getAttribute('muted') !== null ? 'true' : 'false'));
     wmp.appendChild(createWMPParam('shrinkToFit', 'true'));
     wmp.appendChild(createWMPParam('stretchToFit', 'true'));
     wmp.appendChild(createWMPParam('windowlessVideo', 'true'));
     wmp.width = media.getAttribute('width') || 1;
     wmp.height = media.getAttribute('height') || 1;
     wmp.id = document.uniqueID;
     wmp.classid = 'CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6';
     wmp.settings.mute = media.getAttribute('muted') !== null; // <param name=mute> does not work (?)
     return wmp;
   };

   var createWMPFetch = function (media) {
     var wmp = document.createElement('object');
     wmp.appendChild(createWMPParam('URL', getSourceURL(media)));
     wmp.width = 1;
     wmp.height = 1;
     wmp.id = document.uniqueID;
     wmp.className = 'vd-prefetcher';
     wmp.classid = 'CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6';
     wmp.settings.mute = true;
     return wmp;
   };

   var createWMPParam = function (name, value) {
     var p = document.createElement('param');
     p.name = name;
     p.value = value;
     return p;
   };

   var getSourceURL = function (media) {
     if (media.src) {
       return media.src.replace(/\b\w+$/, function (e) {
         return FORMAT_REPLACE[e] || e;
       });
     }

     var v = media.getElementsByTagName('source');

     for (var i = 0; i < v.length; ++i) {
       if (TYPE_SUPPORTED[v[i].type]) {
         return v[i].src;
       }
     }

     return v[0].src;
   };

   if (typeof Audio == 'undefined') {
     Audio = function (url) {
       this.src = url;
       fixMediaElement(this);
     };

     Audio.prototype.appendChild = function (e) { document.body.appendChild(e) };
     Audio.prototype.getAttribute = function (_) { return null };
   }

   var videoElems = document.getElementsByTagName('video');

   for (var i = 0; i < videoElems.length; ++i) {
     fixMediaElement(fixDOMStructure(videoElems[i]));
   }

   var audioElems = document.getElementsByTagName('audio');

   for (var i = 0; i < audioElems.length; ++i) {
     fixMediaElement(fixDOMStructure(audioElems[i]));
   }
 })();
	/*******************************************************************************
	* Copyright (c) 2009, 2012 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	//
	// Ad-hoc codes to bridge the gap in implementations between modern browsers and old IEs
	//
	(function () {
	var FORMAT_REPLACE = { ogv: 'wmv', oga: 'wma', mp4: 'wmv', m4a: 'wma' }; // for new Audio(src) and HTMLMediaElement#src (not for HTMLSourceElement#src)
	var TYPE_SUPPORTED = { 'video/x-ms-wmv': true, 'audio/x-ms-wma': true, 'video/mpeg': true, 'audio/mpeg': true }; // for HTMLSourceElement#type
	var MAX_PRELOADERS = 4;

	if (typeof XMLHttpRequest == 'undefined') {
	XMLHttpRequest = function () {
	return new ActiveXObject('MSXML2.XMLHTTP');
	};
	}

	globalEventListeners = {};

	var fixMediaElement = function (media) {
	var wmpMedia = createWMPMedia(media);
	media.appendChild(wmpMedia);
	media.__wmpMedia__ = wmpMedia;
	media.__eventListeners__ = {};
	media.addEventListener = addEventListener;
	media.dispatchEvent = dispatchEvent;
	media.play = play;
	media.pause = pause;
	media.paused = true;
	media.ended = false;
	media.volume = wmpMedia.settings.volume / 100;
	media.currentTime = media.__prevTime__ = wmpMedia.controls.currentPosition;

	createScript(wmpMedia.id, 'positionChange(oldPosition, newPosition)', 'globalEventListeners["' + wmpMedia.id + '"].positionChange(oldPosition, newPosition)');
	createScript(wmpMedia.id, 'playStateChange(NewState)', 'globalEventListeners["' + wmpMedia.id + '"].playStateChange(NewState)');

	globalEventListeners[wmpMedia.id] = {
	positionChange: function (oldPosition, newPosition) {
	media.dispatchEvent({ type: 'seeked', target: media });
	},

	playStateChange: function (NewState) {
	switch (NewState) {
	case 2: // Paused
	media.paused = true;
	media.ended = false;
	// media.dispatchEvent({ type: 'pause', target: media });
	break;
	case 3: // Playing
	media.paused = false;
	media.ended = false;
	media.dispatchEvent({ type: 'playing', target: media });
	break;
	case 8: // MediaEnded
	media.paused = true;
	media.ended = true;
	media.dispatchEvent({ type: 'ended', target: media });
	break;
	case 6: case 7: // Buffering, Waiting
	media.dispatchEvent({ type: 'waiting', target: media });
	break;
	}
	}
	};

	if (media.getAttribute('preload') != 'none' && !media.__wmpMedia__.settings.autoStart) {
	preloadMedia(media);
	}

	media.addEventListener('seeked', function (e) {
	var media = e.target;

	if (media.ended) {
	media.__pausedForSync__ = true;
	media.ended = false;
	}
	}, false);

	var prevTime = wmpMedia.controls.currentPosition;

	setInterval(function () {
	var time = wmpMedia.controls.currentPosition;

	if (time != prevTime) {
	media.dispatchEvent({ type: 'timeupdate', target: media });
	}
	else {
	media.dispatchEvent({ type: '__noop__', target: media });
	}

	prevTime = time;
	}, 250);
	};

	var createScript = function (htmlFor, event, text) {
	var s = document.createElement('script');
	s.htmlFor = htmlFor;
	s.event = event;
	s.text = text;
	document.body.appendChild(s);
	};

	var addEventListener = function (type, handler, capture) {
	var v = this.__eventListeners__[type] \|\| [];
	v.push(handler);
	this.__eventListeners__[type] = v;
	};

	var dispatchEvent = function (e) {
	setTimeout(function () {
	var media = e.target;

	if (media.currentTime != media.__prevTime__) {
	media.__wmpMedia__.controls.currentPosition = media.__prevTime__ = media.currentTime;
	}

	media.__prevTime__ = media.currentTime = media.__wmpMedia__.controls.currentPosition;
	media.__wmpMedia__.settings.volume = media.volume * 100;
	media.volume = media.__wmpMedia__.settings.volume / 100;
	var v = media.__eventListeners__[e.type] \|\| [];

	for (var i = 0; i < v.length; ++i) {
	v[i].call(media, e);
	}
	}, 0);
	};

	var play = function () {
	this.__wmpMedia__.controls.currentPosition = this.currentTime;
	this.__wmpMedia__.controls.play();
	this.paused = false;
	this.dispatchEvent({ type: 'play', target: this });
	};

	var pause = function () {
	this.currentTime = this.__wmpMedia__.controls.currentPosition;
	this.__wmpMedia__.controls.pause();
	this.paused = true;
	this.dispatchEvent({ type: 'pause', target: this });
	};

	var preloaders = 0;

	var preloadMedia = function (media) {
	(function () {
	if (preloaders < MAX_PRELOADERS) {
	var wmpFetch = createWMPFetch(media);
	media.appendChild(wmpFetch);
	++preloaders;

	createScript(wmpFetch.id, 'openStateChange(NewState)', 'globalEventListeners["' + wmpFetch.id + '"].openStateChange(NewState)');
	createScript(wmpFetch.id, 'playStateChange(NewState)', 'globalEventListeners["' + wmpFetch.id + '"].playStateChange(NewState)');

	globalEventListeners[wmpFetch.id] = {
	openStateChange: function (NewState) {
	if (NewState == 13) { // MediaOpen
	--preloaders;
	}
	},

	playStateChange: function (NewState) {
	if (NewState == 3) { // Playing
	wmpFetch.controls.stop();
	}
	}
	};
	}
	else {
	setTimeout(arguments.callee, 1000);
	}
	})();
	};

	var fixDOMStructure = function (media) {
	var newMedia = document.createElement(media.outerHTML);
	var v = [];

	for (var e = media.nextSibling; e.tagName != '/' + media.tagName; e = e.nextSibling) {
	v.push(e);
	}

	for (var i = 0; i < v.length; ++i) {
	newMedia.appendChild(v[i]);
	}

	media.parentNode.replaceChild(newMedia, media);

	return newMedia;
	};

	var createWMPMedia = function (media) {
	var wmp = document.createElement('object');
	wmp.appendChild(createWMPParam('URL', getSourceURL(media)));
	wmp.appendChild(createWMPParam('autoStart', media.getAttribute('autoplay') !== null ? 'true' : 'false'));
	wmp.appendChild(createWMPParam('uiMode', media.getAttribute('controls') !== null ? 'full' : 'none'));
	wmp.appendChild(createWMPParam('mute', media.getAttribute('muted') !== null ? 'true' : 'false'));
	wmp.appendChild(createWMPParam('shrinkToFit', 'true'));
	wmp.appendChild(createWMPParam('stretchToFit', 'true'));
	wmp.appendChild(createWMPParam('windowlessVideo', 'true'));
	wmp.width = media.getAttribute('width') \|\| 1;
	wmp.height = media.getAttribute('height') \|\| 1;
	wmp.id = document.uniqueID;
	wmp.classid = 'CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6';
	wmp.settings.mute = media.getAttribute('muted') !== null; // <param name=mute> does not work (?)
	return wmp;
	};

	var createWMPFetch = function (media) {
	var wmp = document.createElement('object');
	wmp.appendChild(createWMPParam('URL', getSourceURL(media)));
	wmp.width = 1;
	wmp.height = 1;
	wmp.id = document.uniqueID;
	wmp.className = 'vd-prefetcher';
	wmp.classid = 'CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6';
	wmp.settings.mute = true;
	return wmp;
	};

	var createWMPParam = function (name, value) {
	var p = document.createElement('param');
	p.name = name;
	p.value = value;
	return p;
	};

	var getSourceURL = function (media) {
	if (media.src) {
	return media.src.replace(/\b\w+$/, function (e) {
	return FORMAT_REPLACE[e] \|\| e;
	});
	}

	var v = media.getElementsByTagName('source');

	for (var i = 0; i < v.length; ++i) {
	if (TYPE_SUPPORTED[v[i].type]) {
	return v[i].src;
	}
	}

	return v[0].src;
	};

	if (typeof Audio == 'undefined') {
	Audio = function (url) {
	this.src = url;
	fixMediaElement(this);
	};

	Audio.prototype.appendChild = function (e) { document.body.appendChild(e) };
	Audio.prototype.getAttribute = function (_) { return null };
	}

	var videoElems = document.getElementsByTagName('video');

	for (var i = 0; i < videoElems.length; ++i) {
	fixMediaElement(fixDOMStructure(videoElems[i]));
	}

	var audioElems = document.getElementsByTagName('audio');

	for (var i = 0; i < audioElems.length; ++i) {
	fixMediaElement(fixDOMStructure(audioElems[i]));
	}
	})();