1 IriSP.SliderWidget = function(Popcorn, config, Serializer) { |
1 define(["IriSP", "widgets", "util"], function() { |
2 IriSP.Widget.call(this, Popcorn, config, Serializer); |
2 IriSP.SliderWidget = function(Popcorn, config, Serializer) { |
3 }; |
3 IriSP.Widget.call(this, Popcorn, config, Serializer); |
|
4 }; |
4 |
5 |
5 IriSP.SliderWidget.prototype = new IriSP.Widget(); |
6 IriSP.SliderWidget.prototype = new IriSP.Widget(); |
6 |
7 |
7 IriSP.SliderWidget.prototype.draw = function() { |
8 IriSP.SliderWidget.prototype.draw = function() { |
8 var self = this; |
9 var self = this; |
9 |
10 |
10 this.selector.append("<div class='sliderBackground'></div>"); |
11 this.selector.append("<div class='sliderBackground'></div>"); |
11 this.sliderBackground = this.selector.children(".sliderBackground"); |
12 this.sliderBackground = this.selector.children(".sliderBackground"); |
12 |
13 |
13 this.selector.append("<div class='sliderForeground' style='position: absolute; top: 0%; width: 0%;'></div>"); |
14 this.selector.append("<div class='sliderForeground' style='position: absolute; top: 0%; width: 0%;'></div>"); |
14 this.sliderForeground = this.selector.children(".sliderForeground"); |
15 this.sliderForeground = this.selector.children(".sliderForeground"); |
15 |
16 |
16 this.selector.append(Mustache.to_html(IriSP.overlay_marker_template)); |
17 this.selector.append(Mustache.to_html(IriSP.overlay_marker_template)); |
17 this.positionMarker = this.selector.children(".positionMarker"); |
18 this.positionMarker = this.selector.children(".positionMarker"); |
18 |
19 |
19 this.sliderBackground.click(function(event) { self.clickHandler.call(self, event); }); |
20 this.sliderBackground.click(function(event) { self.clickHandler.call(self, event); }); |
20 |
21 |
21 this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.sliderUpdater)); |
22 this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.sliderUpdater)); |
22 }; |
23 }; |
23 |
24 |
24 /* updates the slider as time passes */ |
25 /* updates the slider as time passes */ |
25 IriSP.SliderWidget.prototype.sliderUpdater = function() { |
26 IriSP.SliderWidget.prototype.sliderUpdater = function() { |
26 var time = this._Popcorn.currentTime(); |
27 var time = this._Popcorn.currentTime(); |
27 |
28 |
28 var duration = this._serializer.currentMedia().meta["dc:duration"] / 1000; |
29 var duration = this._serializer.currentMedia().meta["dc:duration"] / 1000; |
29 var percent = ((time / duration) * 100).toFixed(2); |
30 var percent = ((time / duration) * 100).toFixed(2); |
30 this.sliderForeground.css("width", percent + "%"); |
31 this.sliderForeground.css("width", percent + "%"); |
31 this.positionMarker.css("left", percent + "%"); |
32 this.positionMarker.css("left", percent + "%"); |
32 |
33 |
33 }; |
34 }; |
34 |
35 |
35 IriSP.SliderWidget.prototype.clickHandler = function(event) { |
36 IriSP.SliderWidget.prototype.clickHandler = function(event) { |
36 /* this piece of code is a little bit convoluted - here's how it works : |
37 /* this piece of code is a little bit convoluted - here's how it works : |
37 we want to handle clicks on the progress bar and convert those to seeks in the media. |
38 we want to handle clicks on the progress bar and convert those to seeks in the media. |
38 However, jquery only gives us a global position, and we want a number of pixels relative |
39 However, jquery only gives us a global position, and we want a number of pixels relative |
39 to our container div, so we get the parent position, and compute an offset to this position, |
40 to our container div, so we get the parent position, and compute an offset to this position, |
40 and finally compute the progress ratio in the media. |
41 and finally compute the progress ratio in the media. |
41 Finally we multiply this ratio with the duration to get the correct time |
42 Finally we multiply this ratio with the duration to get the correct time |
42 */ |
43 */ |
43 |
44 |
44 var parentOffset = this.sliderBackground.parent().offset(); |
45 var parentOffset = this.sliderBackground.parent().offset(); |
45 var width = this.sliderBackground.width(); |
46 var width = this.sliderBackground.width(); |
46 var relX = event.pageX - parentOffset.left; |
47 var relX = event.pageX - parentOffset.left; |
47 |
48 |
48 var duration = this._serializer.currentMedia().meta["dc:duration"] / 1000; |
49 var duration = this._serializer.currentMedia().meta["dc:duration"] / 1000; |
49 var newTime = ((relX / width) * duration).toFixed(2); |
50 var newTime = ((relX / width) * duration).toFixed(2); |
50 |
51 |
51 this._Popcorn.currentTime(newTime); |
52 this._Popcorn.currentTime(newTime); |
52 }; |
53 }; |
|
54 }); |