integ/js/vs/lib/StreamPlayer/streamPlayer.js
changeset 28 84719280c84d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/integ/js/vs/lib/StreamPlayer/streamPlayer.js	Fri Apr 12 15:08:00 2013 +0200
@@ -0,0 +1,230 @@
+/**
+ * StreamPlayer 0.12
+ * Romain Vuillemot
+ */
+var StreamPlayer = function(player, options) {
+	if(typeof(player) == 'string')
+		player = document.getElementById(player);
+
+	if(!player)
+		return;
+
+	var handle = player.getElementsByTagName('div')[0];
+	this.init(player, handle, options || {});
+	this.setup();
+};
+
+StreamPlayer.prototype.init = function(player, handle, options) {
+	this.callback = options.callback || null;	
+	this.displayUpdate = options.displayUpdate || null;
+	this.playCallback = options.playCallback || null;
+	this.pauseCallback = options.pauseCallback || null;
+	this.stopCallback = options.stopCallback || null;
+	this.updateCallback = options.updateCallback || null;	
+	this.nextCallback = options.nextCallback || null;		
+	this.previousCallback = options.previousCallback || null;		
+	this.ffCallback = options.ffCallback || null;
+	this.fbCallback = options.fbCallback || null;		
+	this.soundCallback = options.soundCallback || null;
+
+	this.refreshCallback = options.refreshCallback || this.refreshCallback;
+	this.current_time = options.current_time || null;
+	
+	this.play_mode = options.play_mode || "DATA_BY_DATA"; // "DATA_BY_TIME_INTERVAL"
+	this.read_frequency = options.read_frequency || 1000; // "DATA_BY_TIME_INTERVAL"
+	this.data_interval = options.data_interval || 1000; // "DATA_BY_TIME_INTERVAL"
+
+	this.player = player;
+	this.handle = handle;
+	this.options = options;
+	
+	this.refreshIntervalId = null;
+	this.buffer_count = 0;
+	this.buffered_data = [];
+	this.current_value = null;
+	
+	this.auto_start = this.getOption('auto_start', true);
+	this.is_playing = this.auto_start;
+
+	this.is_buffering = this.getOption('is_buffering', false);
+	this.current_speed = this.getOption('current_speed', 1000);	
+	this.buffered_pause = true;	
+	
+	this.addListeners();
+
+	this.min_speed = options.min_speed || 4000;
+	this.max_speed = options.max_speed || 100;
+
+	this.min_time = options.min_time || 0;
+	this.max_time = options.max_time || -1;
+
+	self = this;
+}
+
+StreamPlayer.prototype.addListeners = function() {
+
+	this.player.onclick = function(e) {
+		if(e.target.className.search(/(^|\s)stop(\s|$)/) != -1 && typeof(self.stopCallback) == 'function') {
+			self.stopCallback(self);
+			self.update();
+		} else if(e.target.className.search(/(^|\s)play(\s|$)/) != -1 && typeof(self.playCallback) == 'function') {
+			self.playCallback(self);
+			e.target.className = e.target.className.replace(/\s?play/g, '');
+			e.target.className += " pause";
+			self.is_buffering = false;
+			self.is_playing = !self.is_playing;
+			self.refreshIntervalId = setInterval(function () {
+				self.updateCallback(self)
+				self.update();
+			}, self.current_speed);
+		} else if(e.target.className.search(/(^|\s)pause(\s|$)/) != -1 && typeof(self.pauseCallback) == 'function') {
+			self.pauseCallback();
+			e.target.className = e.target.className.replace(/\s?pause/g, '');
+			e.target.className += " play";
+			clearInterval(self.refreshIntervalId);
+			self.is_playing = !self.is_playing;
+			self.update();
+		} else if(e.target.className.search(/(^|\s)next(\s|$)/) != -1 && typeof(self.nextCallback) == 'function') {
+			self.nextCallback(self);
+			self.update();
+		} else if(e.target.className.search(/(^|\s)prev(\s|$)/) != -1 && typeof(self.previousCallback) == 'function') {
+			self.previousCallback(self);
+			self.update();
+		} else if(e.target.className.search(/(^|\s)ff(\s|$)/) != -1 && typeof(self.ffCallback) == 'function') {
+			if(self.current_speed>self.max_speed) {
+
+				if(self.play_mode=="DATA_BY_DATA")
+					self.current_speed = self.current_speed/2 > self.max_speed ? self.current_speed/2 : self.max_speed;
+
+				if(self.is_playing) {
+					clearInterval(self.refreshIntervalId);
+					self.refreshIntervalId = setInterval(function () {
+						self.updateCallback(self);
+						self.update();
+					}, self.current_speed);
+				}
+
+				e.target.className.replace(/\s?disabled/g, '');
+				self.ffCallback();
+				document.getElementsByClassName("fb")[0].className = document.getElementsByClassName("fb")[0].className.replace(/\s?disabled/g, '');
+				document.getElementsByClassName("fb")[0].disabled = false;
+			}
+			if(self.current_speed<=self.max_speed) {
+				if(e.target.className.search(/(^|\s)disabled(\s|$)/) == -1) {
+					e.target.className += " disabled";
+					e.target.disabled = true;
+				}
+			}
+		} else if(e.target.className.search(/(^|\s)fb(\s|$)/) != -1 && typeof(self.fbCallback) == 'function') {
+			
+			if(self.current_speed<self.min_speed) {
+
+				self.current_speed = self.current_speed*2 < self.min_speed ? self.current_speed*2 : self.min_speed;
+
+				if(self.is_playing) {
+					clearInterval(self.refreshIntervalId);
+					self.refreshIntervalId = setInterval(function () {
+						self.updateCallback(self);
+						self.update();
+						return ;
+					}, self.current_speed);
+				}
+				e.target.className.replace(/\s?disabled/g, '');
+				self.fbCallback();
+				document.getElementsByClassName("ff")[0].className = document.getElementsByClassName("ff")[0].className.replace(/\s?disabled/g, '');
+				document.getElementsByClassName("ff")[0].disabled = false;
+			} 
+
+			if(self.current_speed==self.min_speed) {
+				if(e.target.className.search(/(^|\s)disabled(\s|$)/) == -1) {
+					e.target.className += " disabled";
+					e.target.disabled = true;
+				}
+			}
+		} else if(e.target.className.search(/(^|\s)soundon(\s|$)/) != -1 && typeof(self.soundCallback) == 'function') {
+			e.target.className = e.target.className.replace(/\s?soundon/g, '');
+			e.target.className += " soundoff";
+			self.soundCallback(false);
+		} else if(e.target.className.search(/(^|\s)soundoff(\s|$)/) != -1 && typeof(self.pauseCallback) == 'function') {
+			e.target.className = e.target.className.replace(/\s?soundoff/g, '');
+			e.target.className += " soundon";
+			self.soundCallback(true);
+			self.update();
+		}
+		self.refreshCallback(self);
+	}
+}
+
+StreamPlayer.prototype.setup = function() {
+	this.addListeners();
+	this.update();
+	if((self.current_speed==self.min_speed) && document.getElementsByClassName("fb").length > 1 && document.getElementsByClassName("fb")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
+		document.getElementsByClassName("fb")[0].className += " disabled";
+		document.getElementsByClassName("fb")[0].disabled = false;
+	}
+	if((self.current_speed==self.min_speed) && document.getElementsByClassName("fb").length > 1 && document.getElementsByClassName("fb")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
+		document.getElementsByClassName("fb")[0].className += " disabled";
+		document.getElementsByClassName("fb")[0].disabled = false;
+	}
+	if(typeof(self.current_time) == 'function' && self.current_time()==0) {
+		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
+			document.getElementsByClassName("prev")[0].className += " disabled";
+			document.getElementsByClassName("prev")[0].disabled = true;
+		}
+	} else {
+		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == 1) {
+			document.getElementsByClassName("prev")[0].className.replace(/\s?disabled/g, '');
+			document.getElementsByClassName("prev")[0].disabled = false;
+		}
+	}
+}
+
+StreamPlayer.prototype.getOption = function(name, defaultValue) {
+	return this.options[name] !== undefined ? this.options[name] : defaultValue;
+}
+
+StreamPlayer.prototype.update = function() {
+	if(self.auto_start && typeof(self.updateCallback) == 'function' && self.refreshIntervalId==null) {
+		self.refreshIntervalId = setInterval(function () {
+			self.updateCallback(self);
+			self.update();
+			return ;
+		}, self.current_speed);
+	}
+	if(typeof(self.current_time) == 'function' && self.current_time()==self.min_time) {
+		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
+			document.getElementsByClassName("prev")[0].className += " disabled";
+			document.getElementsByClassName("prev")[0].disabled = true;
+		}
+	} else {
+		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/)>0) {
+			document.getElementsByClassName("prev")[0].className = document.getElementsByClassName("prev")[0].className.replace(/\s?disabled/g, '');
+			document.getElementsByClassName("prev")[0].disabled = false;
+		}
+	}
+	if(typeof(self.current_time) == 'function' && self.current_time()==self.max_time) {
+		if(document.getElementsByClassName("next").length>0 && document.getElementsByClassName("next")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
+			document.getElementsByClassName("next")[0].className += " disabled";
+			document.getElementsByClassName("next")[0].disabled = true;
+		}
+		if(self.is_playing) {
+			self.pauseCallback();
+			var el = document.getElementsByClassName("pause")[0];
+			el.className = el.className.replace(/\s?pause/g, '');
+			el.className += " play";
+			clearInterval(self.refreshIntervalId);
+			self.is_playing = !self.is_playing;
+			self.update();
+		}
+	} else {
+		if(document.getElementsByClassName("next").length>0 && document.getElementsByClassName("next")[0].className.search(/(^|\s)disabled(\s|$)/)>0) {
+			document.getElementsByClassName("next")[0].className = document.getElementsByClassName("next")[0].className.replace(/\s?disabled/g, '');
+			document.getElementsByClassName("next")[0].disabled = false;
+		}
+	}
+	self.refreshCallback(self);
+}
+
+StreamPlayer.prototype.refreshCallback = function() {
+	return;
+}
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