forked from 0x2620/oxjs
better filesystem structure for modules and themes; 'minified' ui if debug option not set; dynamially generated map markers
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rolux
parent
358ee1bc96
commit
4489e88f44
596 changed files with 115093 additions and 17682 deletions
364
source/Ox.UI/js/Video/Ox.BlockTimeline.js
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364
source/Ox.UI/js/Video/Ox.BlockTimeline.js
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// vim: et:ts=4:sw=4:sts=4:ft=js
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Ox.BlockTimeline = function(options, self) {
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var self = self || {},
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that = new Ox.Element('div', self)
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.defaults({
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cuts: [],
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duration: 0,
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find: '',
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matches: [],
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points: [0, 0],
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position: 0,
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subtitles: [],
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videoId: '',
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width: 0
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})
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.options(options || {})
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.addClass('OxTimelineSmall')
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.mousedown(mousedown)
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.mouseleave(mouseleave)
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.mousemove(mousemove)
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.bindEvent({
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drag: function(event, e) {
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mousedown(e);
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}
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});
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$.extend(self, {
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$images: [],
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$lines: [],
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$markerPoint: [],
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$selection: [],
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$subtitles: [],
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$tooltip: new Ox.Tooltip({
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animate: false
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}).css({
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textAlign: 'center'
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}),
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hasSubtitles: self.options.subtitles.length,
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height: 16,
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lines: Math.ceil(self.options.duration / self.options.width),
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margin: 8
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});
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that.css({
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width: (self.options.width + self.margin) + 'px',
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height: ((self.height + self.margin) * self.lines + 4) + 'px'
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});
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getTimelineImageURL(function(url) {
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self.timelineImageURL = url;
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Ox.range(0, self.lines).forEach(function(i) {
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addLine(i);
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});
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self.$markerPosition = $('<img>')
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.addClass('OxMarkerPosition')
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.attr({
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src: Ox.PATH + 'png/Ox.UI/videoMarkerPlay.png'
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})
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.css({
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position: 'absolute',
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width: '9px',
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height: '5px',
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zIndex: 10
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})
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.appendTo(that.$element);
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setPosition();
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['in', 'out'].forEach(function(v, i) {
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var titleCase = Ox.toTitleCase(v);
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self.$markerPoint[i] = $('<img>')
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.addClass('OxMarkerPoint' + titleCase)
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.attr({
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src: Ox.PATH + 'png/Ox.UI/videoMarker' + titleCase + '.png'
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})
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.appendTo(that.$element);
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setMarkerPoint(i);
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});
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});
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function addLine(i) {
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// fixme: get URLs once, not once for every line
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self.$lines[i] = new Ox.Element('div')
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.css({
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top: i * (self.height + self.margin) + 'px',
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width: self.options.width + 'px'
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})
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.appendTo(that);
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self.$images[i] = $('<img>')
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.addClass('OxTimelineSmallImage')
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.attr({
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src: self.timelineImageURL
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})
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.css({
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marginLeft: (-i * self.options.width) + 'px'
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})
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.appendTo(self.$lines[i].$element)
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if (self.hasSubtitles) {
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self.subtitlesImageURL = getSubtitlesImageURL();
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self.$subtitles[i] = $('<img>')
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.addClass('OxTimelineSmallSubtitles')
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.attr({
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src: self.subtitlesImageURL
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})
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.css({
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marginLeft: (-i * self.options.width) + 'px'
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})
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.appendTo(self.$lines[i].$element);
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}
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if (self.options.points[0] != self.options.points[1]) {
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addSelection[i];
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}
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}
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function addSelection(i) {
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self.selectionImageURL = getSelectionImageURL();
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self.$selection[i] && self.$selection[i].remove();
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self.$selection[i] = $('<img>')
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.addClass('OxTimelineSmallSelection')
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.attr({
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src: self.selectionImageURL
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})
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.css({
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marginLeft: (-i * self.options.width) + 'px'
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})
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.appendTo(self.$lines[i].$element);
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}
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function getPosition(e) {
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//FIXME: this might still be broken in opera according to http://acko.net/blog/mouse-handling-and-absolute-positions-in-javascript
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return (e.offsetX ? e.offsetX : e.clientX - $(e.target).offset().left);
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}
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function getSelectionImageURL() {
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var height = 18,
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width = Math.ceil(self.options.duration),
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$canvas = $('<canvas>')
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.attr({
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height: height,
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width: width
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}),
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canvas = $canvas[0],
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context = canvas.getContext('2d'),
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imageData = context.createImageData(width, height),
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data = imageData.data,
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points = $.map(self.options.points, function(v, i) {
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return Math.round(v) + i;
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}),
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top = 0,
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bottom = 18;
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Ox.range(points[0], points[1]).forEach(function(x) {
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Ox.range(top, bottom).forEach(function(y) {
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var color = (y == top || y == bottom - 1) ? [255, 255, 255, 255] : [255, 255, 255, 64],
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index = x * 4 + y * 4 * width;
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data[index] = color[0];
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data[index + 1] = color[1];
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data[index + 2] = color[2];
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data[index + 3] = color[3]
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});
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});
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context.putImageData(imageData, 0, 0);
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return canvas.toDataURL();
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}
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function getSubtitle(position) {
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var subtitle = null;
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Ox.forEach(self.options.subtitles, function(v) {
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if (v['in'] <= position && v['out'] >= position) {
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subtitle = v;
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return false;
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}
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});
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return subtitle;
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}
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function getSubtitlesImageURL() {
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var height = 18,
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width = Math.ceil(self.options.duration),
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$canvas = $('<canvas>')
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.attr({
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height: height,
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width: width
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}),
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canvas = $canvas[0],
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context = canvas.getContext('2d'),
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imageData = context.createImageData(width, height),
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data = imageData.data;
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self.options.subtitles.forEach(function(v) {
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//var color = self.options.matches.indexOf(i) > -1 ? [255, 255, 0] : [255, 255, 255]
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var inPoint = Math.round(v['in']),
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outPoint = Math.round(v.out) + 1,
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lines = v.value.split('\n').length,
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bottom = 15,
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top = bottom - lines - 2;
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Ox.range(inPoint, outPoint).forEach(function(x) {
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Ox.range(top, bottom).forEach(function(y) {
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var color = (y == top || y == bottom - 1) ? [0, 0, 0] : [255, 255, 255],
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index = x * 4 + y * 4 * width;
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data[index] = color[0];
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data[index + 1] = color[1];
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data[index + 2] = color[2];
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data[index + 3] = 128
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});
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});
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});
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context.putImageData(imageData, 0, 0);
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return canvas.toDataURL();
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}
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function getTimelineImageURL(callback) {
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var height = 16,
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images = Math.ceil(self.options.duration / 3600),
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loaded = 0,
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width = Math.ceil(self.options.duration),
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$canvas = $('<canvas>')
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.attr({
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height: height,
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width: width
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}),
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canvas = $canvas[0],
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context = canvas.getContext('2d');
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Ox.range(images).forEach(function(i) {
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var $img = $('<img>')
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.attr({
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src: '/' + self.options.videoId + '/timelines/timeline.16.' + i + '.png'
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})
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.load(function() {
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context.drawImage($img[0], i * 3600, 0);
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//Ox.print('loaded, images', loaded, images, $img[0])
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if (++loaded == images) {
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//Ox.print('callback', canvas.toDataURL().length)
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callback(canvas.toDataURL());
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}
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});
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});
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}
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function mousedown(e) {
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var $target = $(e.target);
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if (
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$target.hasClass('OxTimelineSmallImage') ||
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$target.hasClass('OxTimelineSmallSubtitles') ||
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$target.hasClass('OxTimelineSmallSelection')
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) {
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self.options.position = getPosition(e);
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setPosition();
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that.triggerEvent('change', {
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position: self.options.position
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});
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}
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e.preventDefault();
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}
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function mouseleave(e) {
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self.$tooltip.hide();
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}
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function mousemove(e) {
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var $target = $(e.target),
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position,
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subtitle;
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if (
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$target.hasClass('OxTimelineSmallImage') ||
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$target.hasClass('OxTimelineSmallSubtitles') ||
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$target.hasClass('OxTimelineSmallSelection')
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) {
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position = getPosition(e),
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subtitle = getSubtitle(position);
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self.$tooltip.options({
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title: subtitle ?
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'<span class=\'OxBright\'>' +
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Ox.highlight(subtitle.value, self.options.find).replace(/\n/g, '<br/>') + '</span><br/>' +
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Ox.formatDuration(subtitle['in'], 3) + ' - ' + Ox.formatDuration(subtitle['out'], 3) :
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Ox.formatDuration(position, 3)
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})
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.show(e.clientX, e.clientY);
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} else {
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self.$tooltip.hide();
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}
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}
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function setMarker() {
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self.$markerPosition
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.css({
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left: (self.options.position % self.options.width) + 'px',
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top: (parseInt(self.options.position / self.options.width) * (self.height + self.margin) + 2) + 'px',
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});
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}
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function setMarkerPoint(i) {
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var position = Math.round(self.options.points[i]);
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self.$markerPoint[i]
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.css({
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left: (position % self.options.width) + 'px',
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top: (parseInt(position / self.options.width) * (self.height + self.margin) + 16) + 'px',
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});
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}
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function setPosition() {
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self.options.position = Ox.limit(self.options.position, 0, self.options.duration);
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setMarker();
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}
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function setWidth() {
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self.lines = Math.ceil(self.options.duration / self.options.width);
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that.css({
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width: (self.options.width + self.margin) + 'px',
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height: ((self.height + self.margin) * self.lines + 4) + 'px'
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});
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Ox.range(self.lines).forEach(function(i) {
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if (self.$lines[i]) {
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self.$lines[i].css({
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width: self.options.width + 'px'
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});
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self.$images[i].css({
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marginLeft: (-i * self.options.width) + 'px'
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});
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if (self.hasSubtitles) {
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self.$subtitles[i].css({
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marginLeft: (-i * self.options.width) + 'px'
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});
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}
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} else {
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addLine(i);
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}
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});
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while (self.$lines.length > self.lines) {
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self.$lines[self.$lines.length - 1].removeElement();
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self.$lines.pop();
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}
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setMarker();
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setMarkerPoint(0);
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setMarkerPoint(1);
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}
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function updateSelection() {
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self.$lines.forEach(function($line, i) {
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addSelection(i);
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});
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}
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self.onChange = function(key, value) {
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//Ox.print('onChange:', key, value)
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if (key == 'points') {
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//Ox.print('key', key, 'value', value)
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setMarkerPoint(0);
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setMarkerPoint(1);
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updateSelection()
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} else if (key == 'position') {
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setPosition();
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} else if (key == 'width') {
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setWidth();
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}
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};
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return that;
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};
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