oxjs/source/Ox.UI/js/Video/VideoTimelinePlayer.js

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'use strict';
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/*@
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Ox.VideoTimelinePlayer <f:Ox.Element> Video Timeline Player
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(options[, self]) -> <o> Video Timeline Player
options <o> Options
self <o> Shared private variable
@*/
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Ox.VideoTimelinePlayer = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
censored: [],
censoredIcon: '',
censoredTooltip: '',
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cuts: [],
duration: 0,
find: '',
followPlayer: false,
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getFrameURL: null,
getLargeTimelineURL: null,
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height: 0,
'in': 0,
matches: [],
muted: false,
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out: 0,
paused: false,
position: 0,
showMilliseconds: false,
smallTimelineURL: '',
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subtitles: [],
timeline: '',
timelines: [],
video: '',
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videoRatio: 1,
volume: 1,
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width: 0
})
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.options(options || {})
.update({
height: setHeight,
paused: function() {
self.options.paused = !self.options.paused;
togglePaused();
},
position: setPosition,
width: setWidth
});
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self.fps = 25;
self.frame = self.options.position * self.fps;
self.frames = self.options.duration * self.fps;
self.tileWidth = 1500;
self.tileHeight = 64;
self.margin = 8;
self.contentWidth = self.options.width - 2 * self.margin;
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self.contentHeight = self.options.height - 32;
self.positionWidth = 48
+ !!self.options.showMilliseconds * 2
+ self.options.showMilliseconds * 6;
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self.tiles = Math.ceil(self.frames / self.tileWidth);
self.videoWidth = Math.round(self.tileHeight * self.options.videoRatio);
self.lines = getLines(); // may update self.contentWidth
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self.videoLines = getVideoLines();
self.$menubar = Ox.Bar({size: 16});
self.$menuButton = Ox.MenuButton({
items: [
{id: 'timelines', title: 'Timeline', disabled: true},
{group: 'timeline', min: 1, max: 1, items: Ox.map(
self.options.timelines,
function(timeline) {
return Ox.extend({
checked: timeline.id == self.options.timeline,
disabled: true
}, timeline);
}
)},
{},
{
id: 'followPlayer',
title: 'Follow Player While Playing',
checked: self.options.followPlayer
}
],
style: 'square',
title: 'set',
tooltip: 'Options',
type: 'image'
})
.css({float: 'left'})
.bindEvent({
change: function(data) {
var id = data.id;
if (id == 'timeline') {
// data.checked[0].id
} else if (id == 'followPlayer') {
self.options.followPlayer = data.checked;
if (!self.options.paused && self.options.followPlayer) {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
scrollToPosition();
}
that.triggerEvent('follow', {
follow: self.options.followPlayer
});
}
}
})
.appendTo(self.$menubar);
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self.$scrollButton = Ox.Button({
style: 'symbol',
title: 'arrowDown',
tooltip: 'Scroll to Player',
type: 'image'
})
.css({float: 'right'})
.hide()
.bindEvent({
click: function() {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
scrollToPosition();
}
})
.appendTo(self.$menubar);
self.$timelinePlayer = Ox.Element()
.css({overflowX: 'hidden', overflowY: 'auto'})
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.on({
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mousedown: mousedown,
mouseleave: mouseleave,
mousemove: mousemove,
scroll: scroll
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})
.bindEvent({
mousedown: function() {
this.gainFocus();
},
key_0: toggleMuted,
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key_down: function() {
self.options.position += self.contentWidth / self.fps;
setPosition();
},
key_equal: function() {
changeVolume(0.1);
},
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key_enter: function() {
scrollToPosition();
},
key_left: function() {
self.options.position -= self.videoWidth / self.fps;
setPosition();
},
key_minus: function() {
changeVolume(-0.1);
},
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key_right: function() {
self.options.position += self.videoWidth / self.fps;
setPosition();
},
key_shift_left: function() {
self.options.position -= 1 / self.fps;
setPosition();
},
key_shift_right: function() {
self.options.position += 1 / self.fps;
setPosition();
},
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key_space: function() {
togglePaused()
},
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key_up: function() {
self.options.position -= self.contentWidth / self.fps;
setPosition();
}
});
self.$playerbar = Ox.Bar({size: 16});
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self.$playButton = Ox.Button({
style: 'symbol',
title: 'play',
tooltip: 'Play',
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type: 'image'
})
.css({
float: 'left'
})
.bindEvent({
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click: function() {
togglePaused();
}
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})
.appendTo(self.$playerbar);
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self.$muteButton = Ox.Button({
style: 'symbol',
title: self.options.muted ? 'unmute' : 'mute',
tooltip: self.options.muted ? 'Unmute' : 'Mute',
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type: 'image'
})
.css({float: 'left'})
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.bindEvent({
click: toggleMuted
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})
.appendTo(self.$playerbar);
self.$smallTimeline = getSmallTimeline().appendTo(self.$playerbar);
self.$position = Ox.Element()
.addClass('OxPosition')
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.css({
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width: self.positionWidth - 4 + 'px'
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})
.html(formatPosition())
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.on({
click: function() {
if (!self.options.paused) {
self.playOnSubmit = true;
togglePaused();
}
self.$position.hide();
self.$positionInput
.value(formatPosition())
.show()
.focusInput(false);
}
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})
.appendTo(self.$playerbar);
self.$positionInput = Ox.Input({
value: formatPosition(),
width: self.positionWidth
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})
.addClass('OxPositionInput')
.bindEvent({
blur: submitPositionInput,
submit: submitPositionInput
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})
.appendTo(self.$playerbar);
self.$positionInput.children('input').css({
width: (self.positionWidth - 6) + 'px',
fontSize: '9px'
});
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self.$panel = Ox.SplitPanel({
elements: [
{
element: self.$menubar,
size: 16
},
{
element: self.$timelinePlayer
},
{
element: self.$playerbar,
size: 16
}
],
orientation: 'vertical'
})
.addClass('OxVideoTimelinePlayer');
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that.setElement(self.$panel);
self.$lines = [];
self.$timelines = [];
self.$interfaces = [];
self.$timeline = renderTimeline();
//setSubtitles();
Ox.loop(self.lines, function(i) {
addLine(i);
});
Ox.last(self.$lines).css({
height: self.tileHeight + 1.5 * self.margin + 'px'
});
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self.$frameBox = $('<div>')
.css({
position: 'absolute',
right: 0,
top: self.margin / 2 - 1 + 'px',
width: self.videoWidth + 'px',
height: self.tileHeight + 'px',
borderTop: '1px solid rgb(128, 128, 128)',
borderBottom: '1px solid rgb(128, 128, 128)',
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background: 'rgb(0, 0, 0)'
})
.appendTo(self.$timelines[self.videoLines[1]][0]);
self.$frame = Ox.VideoPlayer({
censored: self.options.censored,
censoredIcon: self.options.censoredIcon,
censoredTooltip: self.options.censoredTooltip,
duration: self.options.duration,
height: self.tileHeight,
position: self.options.position,
scaleToFill: true,
type: 'in',
video: self.options.getFrameURL,
width: self.videoWidth
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})
.bindEvent({
censored: function() {
that.triggerEvent('censored');
}
})
.appendTo(self.$frameBox);
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$('<div>')
.addClass('OxFrameInterface')
.css({
position: 'absolute',
left: 0,
top: 0,
width: self.videoWidth + 'px',
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height: self.tileHeight + 'px'
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})
.appendTo(self.$frameBox);
self.$videoBox = $('<div>')
.css({
position: 'absolute',
right: 0,
top: self.margin / 2 - 1 + 'px',
width: self.videoWidth + 'px',
height: self.tileHeight + 'px',
borderTop: '1px solid rgb(128, 128, 128)',
borderBottom: '1px solid rgb(128, 128, 128)',
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background: 'rgb(0, 0, 0)',
zIndex: 5
})
.appendTo(self.$timelines[self.videoLines[0]][0]);
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self.$video = Ox.VideoPlayer({
censored: self.options.censored,
censoredIcon: self.options.censoredIcon,
censoredTooltip: self.options.censoredTooltip,
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duration: self.options.duration,
height: self.tileHeight,
muted: self.options.muted,
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paused: self.options.paused,
position: self.options.position,
scaleToFill: true,
video: self.options.video,
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width: self.videoWidth
})
.bindEvent({
censored: function() {
that.triggerEvent('censored');
},
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ended: function() {
togglePaused(true);
},
playing: function(data) {
self.options.position = data.position;
setPosition(true);
}
})
.appendTo(self.$videoBox);
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$('<div>')
.addClass('OxFrameInterface OxVideoInterface')
.css({
position: 'absolute',
left: 0,
top: 0,
width: self.videoWidth + 'px',
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height: self.tileHeight + 'px'
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})
.appendTo(self.$videoBox);
self.$tooltip = Ox.Tooltip({
animate: false
})
.css({
textAlign: 'center'
});
setTimeout(function() {
scrollToPosition();
});
function addLine(i) {
self.$lines[i] = $('<div>')
.css({
position: 'absolute',
left: self.margin + 'px',
top: self.margin / 2 + i * (self.tileHeight + self.margin) + 'px',
width: self.contentWidth + 'px',
height: self.tileHeight + self.margin + 'px',
overflowX: 'hidden'
})
.appendTo(self.$timelinePlayer);
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self.$timelines[i] = [
self.$timeline.clone()
.css({
width: self.frame + self.videoWidth + 'px',
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marginLeft: -i * self.contentWidth + 'px'
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}),
self.$timeline.clone()
.css({
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marginLeft: -i * self.contentWidth + self.videoWidth - 1 + 'px'
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})
];
self.$lines[i]
.append(self.$timelines[i][1])
.append(self.$timelines[i][0]);
}
function changeVolume(num) {
self.options.volume = Ox.limit(self.options.volume + num, 0, 1);
setVolume();
}
function formatPosition(position) {
position = Ox.isUndefined(position) ? self.options.position : position;
return Ox.formatDuration(position, self.options.showMilliseconds);
}
function getLines(scrollbarIsVisible) {
// Returns the number of lines
var lines;
if (scrollbarIsVisible) {
self.contentWidth -= Ox.UI.SCROLLBAR_SIZE;
}
lines = Math.ceil(
(self.frames - 1 + self.videoWidth) / self.contentWidth
);
return !scrollbarIsVisible && lines * (
self.tileHeight + self.margin
) + self.margin > self.contentHeight ? getLines(true) : lines;
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}
function getPosition(e) {
return (
e.offsetX ? e.offsetX
: e.clientX - $(e.target).offset().left
) / self.fps;
}
function getPositionScrollTop() {
// Returns the target scrolltop if the player is not fully visible,
// otherwise returns null
var scrollTop = self.$timelinePlayer.scrollTop(),
videoTop = [
self.margin + Ox.min(self.videoLines) * (self.tileHeight + self.margin),
self.margin + Ox.max(self.videoLines) * (self.tileHeight + self.margin)
],
offset = self.contentHeight - self.tileHeight - self.margin;
return videoTop[0] < scrollTop + self.margin ? videoTop[0] - self.margin
: videoTop[1] > scrollTop + offset ? videoTop[1] - offset
: null;
}
function getSmallTimeline() {
var $timeline = Ox.SmallVideoTimeline({
duration: self.options.duration,
imageURL: self.options.smallTimelineURL,
mode: 'player',
paused: self.options.paused,
position: self.options.position,
showMilliseconds: self.options.showMilliseconds,
width: getSmallTimelineWidth()
})
.css({float: 'left'})
.css({background: '-moz-linear-gradient(top, rgba(0, 0, 0, 0.5), rgba(64, 64, 64, 0.5))'})
.css({background: '-o-linear-gradient(top, rgba(0, 0, 0, 0.5), rgba(64, 64, 64, 0.5))'})
.css({background: '-webkit-linear-gradient(top, rgba(0, 0, 0, 0.5), rgba(64, 64, 64, 0.5))'})
.bindEvent({
position: function(data) {
self.options.position = data.position;
setPosition();
that.triggerEvent('position', {
position: self.options.position
});
}
});
$timeline.children().css({marginLeft: '32px'});
$timeline.find('.OxInterface').css({marginLeft: '32px'});
return $timeline;
}
function getSmallTimelineWidth() {
return self.options.width - 32 - self.positionWidth;
}
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function getSubtitle(position) {
var subtitle = '';
Ox.forEach(self.options.subtitles, function(v) {
if (v['in'] <= position && v.out > position) {
subtitle = v;
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Ox.Break();
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}
});
return subtitle;
}
function getVideoLine() {
self.videoLine = Math.floor(getVideoFrame() / self.contentWidth);
}
function getVideoLines() {
// Returns the lines the video is at, as an array of two line numbers.
// If the video fits in one line, they're both the same, otherwise, the
// line that has most of the video (and thus the player) comes first.
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var videoFrame = getVideoFrame(),
videoLeft = videoFrame % self.contentWidth,
lines = [];
lines[0] = Math.floor(videoFrame / self.contentWidth);
lines[1] = lines[0] + (
videoLeft + self.videoWidth > self.contentWidth ? 1 : 0
)
if (videoLeft + Math.floor(self.videoWidth / 2) > self.contentWidth) {
lines.reverse();
}
return lines;
}
function getVideoFrame() {
return Math.floor(self.options.position * self.fps);
}
function mousedown(e) {
var $target = $(e.target),
isTimeline = $target.is('.OxTimelineInterface'),
isVideo = $target.is('.OxFrameInterface');
if (isTimeline) {
self.options.position = getPosition(e);
setPosition();
if (!self.triggered) {
that.triggerEvent('position', {
position: self.options.position
});
self.triggered = true;
setTimeout(function() {
self.triggered = false;
}, 250);
}
} else if (isVideo) {
togglePaused();
}
}
function mouseleave() {
self.$tooltip.hide();
}
function mousemove(e) {
var $target = $(e.target),
isTimeline = $target.is('.OxTimelineInterface'),
isVideo = $target.is('.OxFrameInterface'),
position, subtitle;
if (isTimeline || isVideo) {
position = isTimeline ? getPosition(e) : self.options.position;
subtitle = getSubtitle(position);
self.$tooltip.options({
title: (
subtitle
? '<span class=\'OxBright\'>' +
Ox.highlight(subtitle.text, self.options.find, 'OxHighlight').replace(/\n/g, '<br/>') +
'</span><br/>'
: ''
) + Ox.formatDuration(position, 3)
})
.show(e.clientX, e.clientY);
} else {
self.$tooltip.hide();
}
}
function renderTimeline() {
var $timeline = $('<div>')
.css({
position: 'absolute',
width: self.frames + 'px',
height: self.tileHeight + self.margin + 'px',
overflow: 'hidden'
});
Ox.loop(self.tiles, function(i) {
$('<img>')
.attr({
src: self.options.getLargeTimelineURL(self.options.timeline, i)
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})
.css({
position: 'absolute',
left: i * self.tileWidth + 'px',
top: self.margin / 2 + 'px'
})
.appendTo($timeline);
});
$('<div>')
.addClass('OxTimelineInterface')
.css({
position: 'absolute',
left: 0,
top: self.margin / 2 + 'px',
width: self.frames + 'px',
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height: self.tileHeight + 'px'
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//background: 'rgba(255, 0, 0, 0.5)'
})
.appendTo($timeline);
return $timeline;
}
function scroll() {
updateScrollButton();
if (!self.options.paused && self.options.followPlayer) {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
self.scrollTimeout = setTimeout(function() {
scrollToPosition();
self.scrollTimeout = 0;
}, 2500);
}
}
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function scrollToPosition() {
var positionScrollTop = getPositionScrollTop();
positionScrollTop && self.$timelinePlayer.stop().animate({
scrollTop: positionScrollTop
}, 250, function() {
self.$scrollButton.hide();
});
}
function setHeight() {
self.contentHeight = self.options.height - 32;
if (!self.options.paused && self.options.followPlayer) {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
scrollToPosition();
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}
}
function setPosition(fromVideo) {
var isPlaying = !self.options.paused,
max, min, videoLines, videoLines_;
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self.options.position = Ox.limit(self.options.position, 0, self.options.duration);
self.frame = Math.floor(self.options.position * self.fps);
videoLines = getVideoLines();
// current and previous video lines
videoLines_ = Ox.flatten([self.videoLines, videoLines]);
min = Ox.min(videoLines_);
max = Ox.max(videoLines_);
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Ox.loop(min, max + 1, function(i) {
self.$timelines[i][0].css({
width: self.frame + self.videoWidth + 'px'
});
});
if (videoLines[1] != self.videoLines[1]) {
// move frame to new line
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self.$frameBox.detach().appendTo(self.$timelines[videoLines[1]][0]);
}
if (videoLines[0] != self.videoLines[0]) {
// move video to new line
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isPlaying && self.$video.togglePaused();
self.$videoBox.detach().appendTo(self.$timelines[videoLines[0]][0]);
isPlaying && self.$video.togglePaused();
}
if (videoLines[0] != videoLines[1]) {
// if the player spans two lines, update the frame
// (but only once per second if the video is playing)
self.$frame.options({
position: self.paused
? self.options.position
: Math.floor(self.options.position)
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});
}
if (
fromVideo && !self.scrollTimeout
&& videoLines[1] != self.videoLines[1]
&& videoLines[1] > videoLines[0]
) {
// if the video is moving, the user has not scrolled away
// and the video has reached a line break, then either
// follow the video or update the scroll button
self.videoLines = videoLines;
self.options.followPlayer ? scrollToPosition() : updateScrollButton();
} else {
self.videoLines = videoLines;
}
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if (!fromVideo) {
self.$video.options({position: self.options.position});
self.$frame.options({position: self.options.position});
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scrollToPosition();
}
self.$smallTimeline.options({position: self.options.position});
self.$position.html(formatPosition());
that.triggerEvent(fromVideo ? 'playing' : 'position', {
position: self.options.position
});
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}
function setSubtitles() {
self.$timeline.find('.OxSubtitle').remove();
self.$subtitles = [];
self.options.subtitles.forEach(function(subtitle, i) {
var found = self.options.find
&& subtitle.text.toLowerCase().indexOf(self.options.find.toLowerCase()) > -1;
self.$subtitles[i] = $('<div>')
.addClass('OxSubtitle' + (found ? ' OxHighlight' : ''))
.css({
position: 'absolute',
left: (subtitle['in'] * self.fps) + 'px',
width: (((subtitle.out - subtitle['in']) * self.fps) - 2) + 'px'
})
.html(Ox.highlight(subtitle.text, self.options.find, 'OxHighlight'))
.appendTo(self.$timeline);
});
}
function setVolume() {
self.$video.options({volume: self.options.volume});
that.triggerEvent('volume', {
volume: self.options.volume
});
}
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function setWidth() {
self.contentWidth = self.options.width - 2 * self.margin;
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self.lines = getLines();
Ox.loop(self.lines, function(i) {
if (self.$lines[i]) {
self.$lines[i].css({
width: self.contentWidth + 'px'
});
self.$timelines[i][0].css({
marginLeft: -i * self.contentWidth + 'px'
});
self.$timelines[i][1].css({
marginLeft: -i * self.contentWidth + self.videoWidth - 1 + 'px'
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});
} else {
addLine(i);
}
});
while (self.$lines.length > self.lines) {
self.$lines[self.$lines.length - 1].remove();
self.$lines.pop();
self.$timelines.pop();
}
Ox.last(self.$lines).css({
height: self.tileHeight + 1.5 * self.margin + 'px'
});
if (!self.options.paused && self.options.followPlayer) {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
scrollToPosition();
}
self.$smallTimeline.options({width: getSmallTimelineWidth()})
}
function submitPositionInput() {
self.$positionInput.hide();
self.$position.html('').show();
self.options.position = Ox.parseDuration(self.$positionInput.value());
setPosition();
if (self.playOnSubmit) {
togglePaused();
self.playOnSubmit = false;
}
that.triggerEvent('position', {
position: self.options.position
});
}
function toggleMuted() {
self.options.muted = !self.options.muted;
self.$video.options({muted: self.options.muted});
self.$muteButton.options({
title: self.options.muted ? 'unmute' : 'mute',
tooltip: self.options.muted ? 'Unmute' : 'Mute'
});
that.triggerEvent('muted', {
muted: self.options.muted
});
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}
function togglePaused(fromVideo) {
self.options.paused = !self.options.paused;
if (!self.options.paused && self.options.followPlayer) {
self.scrollTimeout && clearTimeout(self.scrollTimeout);
scrollToPosition();
}
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!fromVideo && self.$video.options({
paused: self.options.paused
});
self.$playButton.options({
title: self.options.paused ? 'play' : 'pause'
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});
}
function updateScrollButton() {
var scrollTop = self.$timelinePlayer.scrollTop(),
positionScrollTop = getPositionScrollTop();
if (positionScrollTop === null) {
self.$scrollButton.hide();
} else {
self.$scrollButton.options({
title: positionScrollTop < scrollTop ? 'arrowUp' : 'arrowDown'
}).show();
}
}
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/*@
togglePaused <f> toggle paused
() -> <o> toggle paused
@*/
that.togglePaused = function() {
togglePaused();
return that;
};
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return that;
};