You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.8 KiB
JavaScript
133 lines
3.8 KiB
JavaScript
dojo.provide("dojox.av.widget.ProgressSlider");
|
|
dojo.require("dijit._Widget");
|
|
dojo.require("dijit._Templated");
|
|
|
|
dojo.declare("dojox.av.widget.ProgressSlider", [dijit._Widget, dijit._Templated], {
|
|
// summary:
|
|
// A custom slider widget to use with dojox.av.widget.Player.
|
|
// description:
|
|
// Displays the current playhead position of the media. Has two
|
|
// progress bars: one for playhead position, and one for download
|
|
// progress.
|
|
//
|
|
templatePath: dojo.moduleUrl("dojox.av.widget","resources/ProgressSlider.html"),
|
|
postCreate: function(){
|
|
// summary:
|
|
// Initialize slider.
|
|
//
|
|
this.seeking = false;
|
|
this.handleWidth = dojo.marginBox(this.handle).w;
|
|
var dim = dojo.coords(this.domNode);
|
|
this.finalWidth = dim.w
|
|
this.width = dim.w-this.handleWidth;
|
|
this.x = dim.x;
|
|
|
|
dojo.setSelectable(this.domNode, false);
|
|
dojo.setSelectable(this.handle, false);
|
|
},
|
|
setMedia: function(/* Object */med, playerWidget){
|
|
// summary:
|
|
// A common method to set the media in all Player widgets.
|
|
// May do connections and initializations.
|
|
//
|
|
this.playerWidget = playerWidget;
|
|
this.media = med;
|
|
dojo.connect(this.media, "onMetaData", this, function(data){
|
|
if(data && data.duration){
|
|
this.duration = data.duration;
|
|
}
|
|
});
|
|
dojo.connect(this.media, "onEnd", this, function(){
|
|
dojo.disconnect(this.posCon);
|
|
this.setHandle(this.duration);
|
|
});
|
|
dojo.connect(this.media, "onStart", this, function(){
|
|
this.posCon = dojo.connect(this.media, "onPosition", this, "setHandle");
|
|
});
|
|
|
|
dojo.connect(this.media, "onDownloaded", this, function(percent){
|
|
this.setLoadedPosition(percent*.01);
|
|
this.width = this.finalWidth * .01 * percent;
|
|
});
|
|
|
|
},
|
|
onDrag: function(/* HTMLEvent */ evt){
|
|
// summary:
|
|
// Fired when the mouse is moved. Sets the slider.
|
|
//
|
|
var x = evt.clientX - this.x;
|
|
if(x<0) x = 0;
|
|
if(x>this.width-this.handleWidth) x=this.width-this.handleWidth;
|
|
|
|
var p = x/this.finalWidth;
|
|
this.media.seek( this.duration * p );
|
|
dojo.style(this.handle, "marginLeft", x+"px");
|
|
dojo.style(this.progressPosition, "width", x+"px");
|
|
},
|
|
startDrag: function(){
|
|
// summary:
|
|
// Fired onmousedown of the slider handle.
|
|
//
|
|
dojo.setSelectable(this.playerWidget.domNode, false);
|
|
this.seeking = true;
|
|
this.cmove = dojo.connect(dojo.doc, "mousemove", this, "onDrag");
|
|
this.cup = dojo.connect(dojo.doc, "mouseup", this, "endDrag");
|
|
},
|
|
endDrag: function(){
|
|
// summary:
|
|
// Fired on document.onmouseup.
|
|
//
|
|
dojo.setSelectable(this.playerWidget.domNode, true);
|
|
this.seeking = false;
|
|
if(this.cmove) dojo.disconnect(this.cmove);
|
|
if(this.cup) dojo.disconnect(this.cup);
|
|
this.handleOut();
|
|
},
|
|
|
|
setHandle: function(time){
|
|
// summary:
|
|
// Sets the slider handle (when it is not being dragged)
|
|
//
|
|
if(!this.seeking){
|
|
var w = this.width-this.handleWidth;
|
|
var p = time/this.duration;
|
|
var x = p*w;
|
|
|
|
dojo.style(this.handle, "marginLeft", x+"px");
|
|
dojo.style(this.progressPosition, "width", x+"px");
|
|
}
|
|
},
|
|
|
|
setLoadedPosition: function(decimal){
|
|
// summary:
|
|
// Sets the download progress bar to the percentage of how much
|
|
// the media has been downloaded.
|
|
dojo.style(this.progressLoaded, "width", (this.finalWidth*decimal)+"px");
|
|
},
|
|
|
|
handleOver: function(){
|
|
// summary:
|
|
// Highlights the slider handle on mouseover, and
|
|
// stays highlighted during drag.
|
|
//
|
|
dojo.addClass(this.handle, "over");
|
|
},
|
|
handleOut: function(){
|
|
// summary:
|
|
// Unhighlights handle onmouseover, or on endDrag.
|
|
//
|
|
if(!this.seeking){
|
|
dojo.removeClass(this.handle, "over");
|
|
}
|
|
},
|
|
onResize: function(playerDimensions){
|
|
// summary:
|
|
// Handles player resize. Need to recalculate the width of
|
|
// position an download bars.
|
|
var dim = dojo.coords(this.domNode);
|
|
this.finalWidth = dim.w;
|
|
|
|
}
|
|
|
|
});
|