web/video.js
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Switched to using a context method for triggered functions.

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Fixed a time tracking bug.
This commit is contained in:
Steve Heffernan 2010-05-20 19:19:48 -07:00
parent 4031b8bb57
commit c0decf93ec
2 changed files with 64 additions and 49 deletions
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2
LICENSE.txt
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@ -1,6 +1,6 @@
The MIT License
Copyright (c) 2010 Zencoder
Copyright (c) 2010 Zencoder, Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal

111
video.js
View File

@ -13,30 +13,32 @@ var VideoJS = Class.extend({
init: function(element, num){
this.video = element;
// Default the player number to 0
this.num = (num) ? num : 0;
this.buildController();
this.showController(); // has to come before positioning
this.positionController();
// Listen for clicks on the play/pause button
this.playControl.addEventListener("click", this.onPlayControlClick, true);
this.playControl.addEventListener("click", this.onPlayControlClick.context(this), false);
// Listen for drags on the progress bar
this.progressHolder.addEventListener("mousedown", this.onProgressHolderMouseDown, true);
this.progressHolder.addEventListener("mousedown", this.onProgressHolderMouseDown.context(this), false);
// Listen for a release on the progress bar
this.progressHolder.addEventListener("mouseup", this.onProgressHolderMouseUp, true);
this.progressHolder.addEventListener("mouseup", this.onProgressHolderMouseUp.context(this), false);
// Listen for a drag on the volume control
this.volumeControl.addEventListener("mousedown", this.onVolumeControlMouseDown, true);
this.volumeControl.addEventListener("mousedown", this.onVolumeControlMouseDown.context(this), false);
// Listen for a release on the volume control
this.volumeControl.addEventListener("mouseup", this.onVolumeControlMouseUp, true);
this.volumeControl.addEventListener("mouseup", this.onVolumeControlMouseUp.context(this), false);
// Set the display to the initial volume
this.updateVolumeDisplay();
// Listen for clicks on the fullscreen button
this.fullscreenControl.addEventListener("click", this.onFullscreenControlClick, true);
this.fullscreenControl.addEventListener("click", this.onFullscreenControlClick.context(this), false);
// Listen for the mouse over the video. Used to reveal the controller.
this.video.addEventListener("mouseover", this.onVideoMouseOver.context(this), false);
// Listen for the mouse moving out of the video. Used to hide the controller.
this.video.addEventListener("mouseout", this.onVideoMouseOut.context(this), false);
},
buildController: function(){
@ -52,7 +54,7 @@ var VideoJS = Class.extend({
<span class="vjs-load-progress"></span><span class="vjs-play-progress"></span>
</li>
<li class="vjs-progress-time">
<span class="vjs-current-time-display">00:00</span> / <span class="vjs-duration-display">00:00</span>
<span class="vjs-current-time-display">00:00</span><span> / </span><span class="vjs-duration-display">00:00</span>
</li>
</ul>
</li>
@ -121,8 +123,10 @@ var VideoJS = Class.extend({
this.currentTimeDisplay.className = "vjs-current-time-display";
this.currentTimeDisplay.innerHTML = '00:00';
// Adding a slash for visual separation
this.progressTime.innerHTML += " / ";
// Add time separator
this.timeSeparator = document.createElement("span");
this.timeSeparator.innerHTML = " / ";
this.progressTime.appendChild(this.timeSeparator);
// Create the total duration display
this.durationDisplay = document.createElement("span");
@ -164,80 +168,84 @@ var VideoJS = Class.extend({
// React to clicks on the play/pause button
onPlayControlClick: function(e){
var player = videoJSPlayers[this.parentNode.getAttribute("data-video-js")];
if (player.video.paused) {
player.playVideo();
if (this.video.paused) {
this.playVideo();
} else {
player.pauseVideo();
this.pauseVideo();
}
},
// Adjust the play position when the user drags on the progress bar
onProgressHolderMouseDown: function(e){
var player = videoJSPlayers[this.parentNode.parentNode.parentNode.getAttribute("data-video-js")];
player.stopTrackingPlayProgress();
this.stopTrackingPlayProgress();
if (player.video.paused) {
player.videoWasPlaying = false;
if (this.video.paused) {
this.videoWasPlaying = false;
} else {
player.videoWasPlaying = true;
player.video.pause();
this.videoWasPlaying = true;
this.video.pause();
}
player.blockTextSelection();
this.blockTextSelection();
document.onmousemove = function(e) {
player.setPlayProgress(e.pageX);
}
this.setPlayProgress(e.pageX);
}.context(this);
document.onmouseup = function() {
player.unblockTextSelection();
this.unblockTextSelection();
document.onmousemove = null;
document.onmouseup = null;
if (player.videoWasPlaying) {
player.video.play();
player.trackPlayProgress();
if (this.videoWasPlaying) {
this.video.play();
this.trackPlayProgress();
}
}
}.context(this);
},
// When the user stops dragging on the progress bar, update play position
// Backup for when the user only clicks and doesn't drag
onProgressHolderMouseUp: function(e){
var player = videoJSPlayers[this.parentNode.parentNode.parentNode.getAttribute("data-video-js")];
player.setPlayProgress(e.pageX);
this.setPlayProgress(e.pageX);
},
// Adjust the volume when the user drags on the volume control
onVolumeControlMouseDown: function(e){
var player = videoJSPlayers[this.parentNode.getAttribute("data-video-js")];
player.blockTextSelection();
this.blockTextSelection();
document.onmousemove = function(e) {
player.setVolume(e.pageX);
}
this.setVolume(e.pageX);
}.context(this);
document.onmouseup = function() {
player.unblockTextSelection();
this.unblockTextSelection();
document.onmousemove = null;
document.onmouseup = null;
}
}.context(this);
},
// When the user stops dragging, set a new volume
// Backup for when the user only clicks and doesn't drag
onVolumeControlMouseUp: function(e){
var player = videoJSPlayers[this.parentNode.getAttribute("data-video-js")];
player.setVolume(e.pageX);
this.setVolume(e.pageX);
},
// When the user clicks on the fullscreen button, update fullscreen setting
onFullscreenControlClick: function(e){
var player = videoJSPlayers[this.parentNode.getAttribute("data-video-js")];
if (!player.videoIsFullScreen) {
player.fullscreenOn();
if (!this.videoIsFullScreen) {
this.fullscreenOn();
} else {
player.fullscreenOff();
this.fullscreenOff();
}
},
onVideoMouseOver: function(e){
this.showController();
},
onVideoMouseOut: function(e){
setTimeout(function(){
this.hideController();
}.context(this), 1000)
},
// Play the video
playVideo: function(){
this.video.play();
@ -261,8 +269,7 @@ var VideoJS = Class.extend({
// Track & display the current play progress
trackPlayProgress: function(){
context = this;
this.playProgressInterval = setInterval(function(){ context.updatePlayProgress(); }, 33);
this.playProgressInterval = setInterval(function(){ this.updatePlayProgress(); }.context(this), 33);
},
// Turn off play progress tracking (when paused)
@ -384,7 +391,7 @@ VideoJS.setup = function(){
var videoTags = document.getElementsByTagName("video");
for (var i=0;i<videoTags.length;i++) {
if (videoTags[i].className.indexOf("video-js") != -1) {
videoJSPlayers[i] = new VideoJS(document.getElementById("video"), i);
videoJSPlayers[i] = new VideoJS(videoTags[i], i);
}
}
}
@ -396,4 +403,12 @@ VideoJS.supportsVideo = function() {
}
// Allows for binding context to functions
// when using in event listeners and timeouts
Function.prototype.context = function(obj) {
var method = this
temp = function() {
return method.apply(obj, arguments)
}
return temp
}