oxjs/source/Ox.UI/js/Video/Ox.VideoPlayer.js
2011-05-12 12:51:17 +02:00

344 lines
No EOL
10 KiB
JavaScript

Ox.VideoPlayer = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
height: 192,
position: 0,
timeline: '',
url: '',
width: 256
})
.options(options || {})
.css({
width: self.options.width + 'px',
height: self.options.height + 'px'
//background: 'red'
})
.bind({
mouseenter: showControls,
mouseleave: hideControls
});
self.buffered = [];
self.controlsTimeout;
self.barHeight = 16;
self.outerBarWidth = self.options.width - 96;
self.innerBarWidth = self.outerBarWidth - self.barHeight;
self.markerSize = 12;
self.markerBorderSize = 2;
self.markerOffset = -self.innerBarWidth - self.markerSize / 2;
self.$video = Ox.VideoElement({
height: self.options.height,
paused: true,
url: self.options.url,
width: self.options.width
})
.css({
position: 'absolute',
})
.bindEvent({
loadedmetadata: loadedmetadata,
paused: function(data) {
// called when playback ends
self.$playButton.toggleTitle();
self.$positionMarker.css({
borderColor: 'rgb(192, 192, 192)'
});
},
playing: function(data) {
setPosition(data.position);
},
progress: function(data) {
var buffered = data.video.buffered;
for (var i = 0; i < buffered.length; i++) {
self.buffered[i] = [buffered.start(i), buffered.end(i)];
// fixme: firefox weirdness
if (self.buffered[i][0] > self.buffered[i][1]) {
self.buffered[i][0] = 0;
}
Ox.print(i, self.buffered[i][0], self.buffered[i][1])
}
self.$buffered.attr({
src: getBufferedImageURL()
})
//self.$bar.html(Ox.formatDuration(data.video.buffered.end(data.video.buffered.length - 1)))
},
seeked: hideLoadingIcon,
seeking: showLoadingIcon
})
.appendTo(that);
self.$loadingIcon = $('<img>')
.attr({
src: Ox.UI.getImagePath('symbolLoadingAnimated.svg')
})
.css({
position: 'absolute',
left: self.options.width / 2 - 16 + 'px',
top: self.options.height / 2 - 16 + 'px',
width: '32px',
height: '32px'
})
.appendTo(that.$element);
self.$controls = Ox.Bar({
size: self.barHeight
})
.css({
position: 'absolute',
width: self.options.width + 'px',
marginTop: self.options.height - self.barHeight + 'px',
})
.appendTo(that);
self.$buttons = Ox.Element()
.css({
float: 'left',
width: '48px'
})
.appendTo(self.$controls);
self.$playButton = Ox.Button({
style: 'symbol',
title: [
{id: 'play', title: 'play'},
{id: 'pause', title: 'pause'}
],
tooltip: ['Play', 'Pause'],
type: 'image'
})
.css({
borderRadius: 0
})
.bindEvent('click', togglePlay)
.appendTo(self.$buttons);
self.$muteButton = Ox.Button({
style: 'symbol',
title: [
{id: 'mute', title: 'mute'},
{id: 'unmute', title: 'unmute'}
],
tooltip: ['Mute', 'Unmute'],
type: 'image'
})
.css({
borderRadius: 0
})
.bindEvent('click', toggleMute)
.appendTo(self.$buttons);
self.$menuButton = Ox.Button({
id: 'select',
style: 'symbol',
title: 'select',
tooltip: ['Menu'],
type: 'image'
})
.css({
borderRadius: 0
})
.bindEvent('click', togglePlay)
.appendTo(self.$buttons);
self.$outerBar = Ox.Element()
.css({
float: 'left',
width: self.outerBarWidth + 'px',
height: self.barHeight + 'px',
background: 'rgb(0, 0, 0)',
borderRadius: self.barHeight / 2 + 'px'
})
.appendTo(self.$controls);
self.$innerBar = Ox.Element()
.css({
float: 'left',
width: self.innerBarWidth + 'px',
height: self.barHeight + 'px',
marginLeft: self.barHeight / 2 + 'px'
})
.appendTo(self.$outerBar);
self.$timeline = $('<img>')
.attr({
src: self.options.timeline
})
.css({
float: 'left',
width: self.innerBarWidth + 'px',
height: self.barHeight + 'px'
})
.appendTo(self.$innerBar.$element);
self.$buffered = $('<img>')
.attr({
src: getBufferedImageURL()
})
.css({
float: 'left',
marginLeft: -self.innerBarWidth + 'px',
width: self.innerBarWidth + 'px',
height: self.barHeight + 'px',
})
.appendTo(self.$innerBar.$element);
self.$positionMarker = Ox.Element()
.css({
float: 'left',
width: self.markerSize - self.markerBorderSize * 2 + 'px',
height: self.markerSize - self.markerBorderSize * 2 + 'px',
marginTop: (self.barHeight - self.markerSize) / 2 + 'px',
marginLeft: self.markerOffset + 'px',
border: self.markerBorderSize + 'px solid rgb(192, 192, 192)',
borderRadius: self.markerSize - self.markerBorderSize * 2 + 'px',
//background: 'rgba(0, 0, 0, 0.5)',
boxShadow: '0 0 ' + (self.barHeight - self.markerSize) / 2 + 'px black'
})
.appendTo(self.$outerBar);
self.$tooltip = Ox.Tooltip({
animate: false
});
self.$position = Ox.Element()
.css({
float: 'left',
width: '44px',
height: '12px',
padding: '2px',
fontSize: '9px',
textAlign: 'center'
})
.html(Ox.formatDuration(self.options.position))
.appendTo(self.$controls)
function mousedownBar(e) {
setPosition(getPosition(e));
self.$video.position(self.options.position);
}
function mouseleaveBar(e) {
self.$tooltip.hide();
}
function mousemoveBar(e) {
self.$tooltip.options({
title: Ox.formatDuration(getPosition(e))
}).show(e.clientX, e.clientY);
}
function getPosition(e) {
// fixme: no offsetX in firefox???
if ($.browser.mozilla) {
//Ox.print(e, e.layerX - 56)
return Ox.limit(
(e.layerX - 48 - self.barHeight / 2) / self.innerBarWidth * self.duration,
0, self.duration
);
} else {
return Ox.limit(
(e.offsetX - self.barHeight / 2) / self.innerBarWidth * self.duration,
0, self.duration
);
}
}
function setPosition(position) {
self.options.position = position;
//Ox.print(-self.barWidth - 4 + self.barWidth * position / self.duration)
self.$positionMarker.css({
marginLeft: self.innerBarWidth * position / self.duration + self.markerOffset + 'px',
});
self.$position.html(Ox.formatDuration(position));
}
function loadedmetadata(data) {
//self.$position.html(Ox.formatDuration(data.video.duration))
Ox.print('!!!!', data.video.width, data.video.height, data.video.videoWidth, data.video.videoHeight)
self.duration = data.video.duration;
Ox.print('DURATION', Ox.formatDuration(self.duration));
hideLoadingIcon();
that.gainFocus().bindEvent({
key_space: function() {
self.$playButton.toggleTitle();
togglePlay();
}
});
self.$outerBar.bind({
mousedown: mousedownBar,
mousemove: mousemoveBar,
mouseleave: mouseleaveBar
});
}
function getBufferedImageURL() {
var width = self.innerBarWidth,
height = self.barHeight,
$canvas = $('<canvas>')
.attr({
width: width,
height: height,
}),
canvas = $canvas[0],
context = canvas.getContext('2d');
//Ox.print(width, height)
context.fillStyle = 'rgba(255, 0, 0, 0.5)';
context.fillRect(0, 0, width, height);
var imageData = context.getImageData(0, 0, width, height),
data = imageData.data;
self.buffered.forEach(function(range) {
var left = Math.round(range[0] * width / self.duration),
right = Math.round(range[1] * width / self.duration);
Ox.loop(left, right, function(x) {
Ox.loop(height, function(y) {
index = x * 4 + y * 4 * width;
data[index + 3] = 0;
});
});
});
context.putImageData(imageData, 0, 0);
return canvas.toDataURL();
}
function hideControls() {
self.controlsTimeout = setTimeout(function() {
self.$controls.animate({
opacity: 0
}, 250);
}, 1000);
}
function hideLoadingIcon() {
self.$loadingIcon.animate({
opacity: 0
}, 0);
}
function showControls() {
clearTimeout(self.controlsTimeout);
self.$controls.animate({
opacity: 1
}, 250);
}
function showLoadingIcon() {
self.$loadingIcon.animate({
opacity: 1
}, 0);
}
function toggleMute() {
self.$video.toggleMute();
}
function togglePlay() {
self.$video.togglePlay();
self.$positionMarker.css({
borderColor: self.$video.paused() ? 'rgb(192, 192, 192)' : 'rgb(255, 255, 255)'
});
}
return that;
};