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898 lines (840 loc) · 29.1 KB
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(function ($) {
// Media events
AblePlayer.prototype.onMediaUpdateTime = function (duration, elapsed) {
// duration and elapsed are passed from callback functions of Vimeo API events
// duration is expressed as sss.xxx
// elapsed is expressed as sss.xxx
var thisObj = this;
this.getMediaTimes(duration,elapsed).then(function(mediaTimes) {
thisObj.duration = mediaTimes['duration'];
thisObj.elapsed = mediaTimes['elapsed'];
if (thisObj.duration > 0) {
// do all the usual time-sync stuff during playback
if (thisObj.prefHighlight === 1) {
thisObj.highlightTranscript(thisObj.elapsed);
}
thisObj.updateCaption(thisObj.elapsed);
thisObj.showDescription(thisObj.elapsed);
thisObj.updateChapter(thisObj.elapsed);
thisObj.updateMeta(thisObj.elapsed);
thisObj.refreshControls('timeline', thisObj.duration, thisObj.elapsed);
}
});
};
AblePlayer.prototype.onMediaPause = function () {
if (this.controlsHidden) {
this.fadeControls('in');
this.controlsHidden = false;
}
if (this.hideControlsTimeoutStatus === 'active') {
window.clearTimeout(this.hideControlsTimeout);
this.hideControlsTimeoutStatus = 'clear';
}
this.refreshControls('playpause');
};
AblePlayer.prototype.onMediaComplete = function () {
// if there's a playlist, advance to next item and start playing
if (this.hasPlaylist && !this.cueingPlaylistItem) {
if (this.playlistIndex === (this.$playlist.length - 1)) {
// this is the last track in the playlist
if (this.loop) {
this.playlistIndex = 0;
this.cueingPlaylistItem = true; // stopgap to prevent multiple firings
this.cuePlaylistItem(0);
} else {
this.playing = false;
this.paused = true;
}
} else {
// this is not the last track. Play the next one.
this.playlistIndex++;
this.cueingPlaylistItem = true; // stopgap to prevent multiple firings
this.cuePlaylistItem(this.playlistIndex)
}
}
this.refreshControls();
};
AblePlayer.prototype.onMediaNewSourceLoad = function () {
var loadIsComplete = false;
if (this.cueingPlaylistItem) {
// this variable was set to address bugs caused by multiple firings of media 'end' event
// safe to reset now
this.cueingPlaylistItem = false;
}
if (this.recreatingPlayer) {
// same as above; different bugs
this.recreatingPlayer = false;
}
if (this.playbackRate) {
// user has set playbackRate on a previous src or track
// use that setting on the new src or track too
this.setPlaybackRate(this.playbackRate);
}
if (this.userClickedPlaylist) {
if (!this.startedPlaying || this.okToPlay) {
// start playing; no further user action is required
this.playMedia();
loadIsComplete = true;
}
} else if (this.seekTrigger == 'restart' ||
this.seekTrigger == 'chapter' ||
this.seekTrigger == 'transcript' ||
this.seekTrigger == 'search'
) {
// by clicking on any of these elements, user is likely intending to play
// Not included: elements where user might click multiple times in succession
// (i.e., 'rewind', 'forward', or seekbar); for these, video remains paused until user initiates play
this.playMedia();
loadIsComplete = true;
} else if (this.swappingSrc) {
// new source file has just been loaded
if (this.hasPlaylist) {
// a new source file from the playlist has just been loaded
if ((this.playlistIndex !== this.$playlist.length) || this.loop) {
// this is not the last track in the playlist (OR playlist is looping so it doesn't matter)
this.playMedia();
loadIsComplete = true;
}
} else if (this.swapTime > 0) {
if (this.seekStatus === 'complete') {
if (this.okToPlay) {
// should be able to resume playback
this.playMedia();
}
loadIsComplete = true;
} else if (this.seekStatus === 'seeking') {
// Do nothing.
} else {
if (this.swapTime === this.elapsed) {
// seek is finished!
this.seekStatus = 'complete';
if (this.okToPlay) {
// should be able to resume playback
this.playMedia();
}
loadIsComplete = true;
} else {
// seeking hasn't started yet
// first, determine whether it's possible
if (this.hasDescTracks) {
// do nothing. Unable to seek ahead if there are descTracks
loadIsComplete = true;
} else if (this.durationsAreCloseEnough(this.duration,this.prevDuration)) {
// durations of two sources are close enough to making seek ahead in new source ok
this.seekStatus = 'seeking';
this.seekTo(this.swapTime);
} else {
// durations of two sources are too dissimilar to support seeking ahead to swapTime.
loadIsComplete = true;
}
}
}
} else {
// swapTime is 0. No seeking required.
if (this.playing) {
this.playMedia();
// swap is complete. Reset vars.
loadIsComplete = true;
}
}
} else if (!this.startedPlaying) {
if (this.startTime > 0) {
if (this.seeking) {
// a seek has already been initiated
// since canplaythrough has been triggered, the seek is complete
this.seeking = false;
if (this.okToPlay) {
this.playMedia();
}
loadIsComplete = true;
} else {
// haven't started seeking yet
this.seekTo(this.startTime);
}
} else if (this.defaultChapter && typeof this.selectedChapters !== 'undefined') {
this.seekToChapter(this.defaultChapter);
} else {
// there is no startTime, therefore no seeking required
if (this.okToPlay) {
this.playMedia();
}
loadIsComplete = true;
}
} else if (this.hasPlaylist) {
// new source media is part of a playlist, but user didn't click on it
// (and somehow, swappingSrc is false)
// this may happen when the previous track ends and next track loads
// this same code is called above when swappingSrc is true
if ((this.playlistIndex !== this.$playlist.length) || this.loop) {
// this is not the last track in the playlist (OR playlist is looping so it doesn't matter)
this.playMedia();
loadIsComplete = true;
}
} else {
// None of the above.
// User is likely seeking to a new time, but not loading a new media source
// need to reset vars
loadIsComplete = true;
}
if (loadIsComplete) {
// reset vars
this.swappingSrc = false;
this.seekStatus = null;
this.swapTime = 0;
this.seekTrigger = null;
this.seekingFromTranscript = false;
this.userClickedPlaylist = false;
this.okToPlay = false;
}
this.refreshControls();
if (this.$focusedElement) {
this.restoreFocus();
this.$focusedElement = null;
this.activeMedia = null;
}
};
AblePlayer.prototype.durationsAreCloseEnough = function(d1,d2) {
// Compare the durations of two media sources to determine whether it's ok to seek ahead after swapping src
// The durations may not be exact, but they might be "close enough"
// returns true if "close enough", otherwise false
var tolerance, diff;
tolerance = 1; // number of seconds between rounded durations that is considered "close enough"
diff = Math.abs(Math.round(d1) - Math.round(d2));
return (diff <= tolerance) ? true : false;
};
AblePlayer.prototype.restoreFocus = function() {
// function called after player has been rebuilt (during media swap)
// the original focusedElement no longer exists,
// but this function finds a match in the new player
// and places focus there
var classList, $mediaParent;
if ( this.$focusedElement && null !== this.activeMedia ) {
$mediaParent = $( '#' + this.activeMedia ).closest( '.able' );
if ( (this.$focusedElement).attr('role') === 'button' ) {
classList = this.$focusedElement.attr("class").split(/\s+/);
$.each(classList, function(index, item) {
if (item.substring(0,20) === 'able-button-handler-') {
$mediaParent.find('div.able-controller div.' + item).trigger('focus');
}
});
}
}
};
AblePlayer.prototype.addSeekbarListeners = function () {
var thisObj = this;
// Handle seek bar events.
this.seekBar.bodyDiv.on('startTracking', function (e) {
thisObj.pausedBeforeTracking = thisObj.paused;
thisObj.pauseMedia();
}).on('tracking', function (e, position) {
// Scrub transcript, captions, and metadata.
thisObj.highlightTranscript(position);
thisObj.updateCaption(position);
thisObj.showDescription(position);
thisObj.updateChapter(thisObj.convertChapterTimeToVideoTime(position));
thisObj.updateMeta(position);
thisObj.refreshControls();
}).on('stopTracking', function (e, position) {
if (thisObj.useChapterTimes) {
thisObj.seekTo(thisObj.convertChapterTimeToVideoTime(position));
} else {
thisObj.seekTo(position);
}
if (!thisObj.pausedBeforeTracking) {
setTimeout(function () {
thisObj.playMedia();
}, 200);
}
});
};
AblePlayer.prototype.onClickPlayerButton = function (el) {
var whichButton, prefsPopup;
whichButton = this.getButtonNameFromClass($(el).attr('class'));
switch ( whichButton ) {
case 'play':
this.clickedPlay = true;
this.handlePlay();
break;
case 'restart':
this.seekTrigger = 'restart';
this.handleRestart();
break;
case 'previous':
this.userClickedPlaylist = true;
this.okToPlay = true;
this.seekTrigger = 'previous';
this.buttonWithFocus = 'previous';
this.handlePrevTrack();
break;
case 'next':
this.userClickedPlaylist = true;
this.okToPlay = true;
this.seekTrigger = 'next';
this.buttonWithFocus = 'next';
this.handleNextTrack();
break;
case 'rewind':
this.seekTrigger = 'rewind';
this.handleRewind();
break;
case 'forward':
this.seekTrigger = 'forward';
this.handleFastForward();
break;
case 'mute':
this.handleMute();
break;
case 'volume':
this.handleVolumeButtonClick();
break;
case 'faster':
this.handleRateIncrease();
break;
case 'slower':
this.handleRateDecrease();
break;
case 'captions':
this.handleCaptionToggle();
break;
case 'chapters':
this.handleChapters();
break;
case 'descriptions':
this.handleDescriptionToggle();
break;
case 'sign':
if ( ! this.closingSign ) {
this.handleSignToggle();
}
break;
case 'preferences':
if ($(el).attr('data-prefs-popup') === 'menu') {
this.handlePrefsClick();
} else {
this.showingPrefsDialog = true; // stopgap
this.closePopups();
prefsPopup = $(el).attr('data-prefs-popup');
if (prefsPopup === 'keyboard') {
this.keyboardPrefsDialog.show();
} else if (prefsPopup === 'captions') {
this.captionPrefsDialog.show();
} else if (prefsPopup === 'descriptions') {
this.descPrefsDialog.show();
} else if (prefsPopup === 'transcript') {
this.transcriptPrefsDialog.show();
}
this.showingPrefsDialog = false;
}
break;
case 'help':
this.handleHelpClick();
break;
case 'transcript':
if ( !this.closingTranscript ) {
this.handleTranscriptToggle();
}
break;
case 'fullscreen':
this.clickedFullscreenButton = true;
this.handleFullscreenToggle();
break;
}
};
AblePlayer.prototype.getButtonNameFromClass = function (classString) {
// player control buttons all have class="able-button-handler-x" where x is the identifier
// buttons might also have other classes assigned though
var classes, i;
classes = classString.split(' ');
for (i = 0; i < classes.length; i++) {
if (classes[i].substring(0,20) === 'able-button-handler-') {
return classes[i].substring(20);
}
}
return classString;
}
AblePlayer.prototype.okToHandleKeyPress = function () {
// returns true unless user's focus is on a UI element
// that is likely to need supported keystrokes, including space
var activeElement = AblePlayer.getActiveDOMElement();
return ($(activeElement).prop('tagName') === 'INPUT') ? false : true;
};
AblePlayer.prototype.onPlayerKeyPress = function (e) {
// handle keystrokes (using DHTML Style Guide recommended key combinations)
// https://web.archive.org/web/20130127004544/http://dev.aol.com/dhtml_style_guide/#mediaplayer
// Modifier keys Alt + Ctrl are on by default, but can be changed within Preferences
// NOTE #1: Style guide only supports Play/Pause, Stop, Mute, Captions, & Volume Up & Down
// The rest are reasonable best choices
// NOTE #2: If there are multiple players on a single page, keystroke handlers
// are only bound to the FIRST player
// NOTE #3: The DHTML Style Guide is now the W3C WAI-ARIA Authoring Guide and has undergone many revisions
// including removal of the "media player" design pattern. There's an issue about that:
// https://github.com/w3c/aria-practices/issues/27
var key, $thisElement;
// Convert to lower case.
key = e.key;
$thisElement = $(document.activeElement);
if (key === 'Escape') {
if (this.$transcriptArea && $.contains(this.$transcriptArea[0],$thisElement[0]) && !this.hidingPopup) {
// This element is part of transcript area.
this.handleTranscriptToggle();
return false;
}
}
if (!this.okToHandleKeyPress()) {
return false;
}
// Only use keypress to control player if focus is NOT on a form field or contenteditable element
// (or a textarea element with player in stenoMode)
if (!(
$(':focus').is('[contenteditable]') ||
$(':focus').is('input') ||
($(':focus').is('textarea') && !this.stenoMode) ||
$(':focus').is('select') ||
e.target.hasAttribute('contenteditable') ||
e.target.tagName === 'INPUT' ||
(e.target.tagName === 'TEXTAREA' && !this.stenoMode) ||
e.target.tagName === 'SELECT'
)){
if (key === 'Escape') {
this.closePopups();
this.$tooltipDiv.hide();
this.seekBar.hideSliderTooltips();
} else if (key === ' ') {
// disable spacebar support for play/pause toggle as of 4.2.10
// spacebar should not be handled everywhere on the page, since users use that to scroll the page
// when the player has focus, most controls are buttons so spacebar should be used to trigger the buttons
if ($thisElement.attr('role') === 'button') {
// register a click on this element
e.preventDefault();
$thisElement.trigger( 'click' );
}
} else if ( key === 'p' ) {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handlePlay();
}
} else if (key === 's') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleRestart();
}
} else if (key === 'm') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleMute();
}
} else if (key === 'v') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleVolumeButtonClick();
}
} else if (key >= 0 && key <= 9) {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleVolumeKeystroke(key);
}
} else if (key === 'c') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleCaptionToggle();
}
} else if (key === 'd') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleDescriptionToggle();
}
} else if (key === 'f') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleFastForward();
}
} else if (key === 'r') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleRewind();
}
} else if (key === 'b') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handlePrevTrack();
}
} else if (key === 'n') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handleNextTrack();
}
} else if (key === 'e') {
if (this.usingModifierKeys(e)) {
e.preventDefault();
this.handlePrefsClick();
}
} else if (key === 'Enter') {
if ($thisElement.attr('role') === 'button' || $thisElement.prop('tagName') === 'SPAN') {
// register a click on this element
// if it's a transcript span the transcript span click handler will take over
$thisElement.trigger( 'click' );
} else if ($thisElement.prop('tagName') === 'LI') {
$thisElement.trigger( 'click' );
}
}
}
};
AblePlayer.prototype.addHtml5MediaListeners = function () {
var thisObj = this;
// NOTE: iOS and some browsers do not support autoplay
// and no events are triggered until media begins to play
// Able Player gets around this by automatically loading media in some circumstances
// (see initialize.js > initPlayer() for details)
this.$media
.on('emptied',function() {
// do something
})
.on('loadedmetadata',function() {
// should be able to get duration now
thisObj.duration = thisObj.media.duration;
var x = 50.5;
var y = 51.9;
var diff = Math.abs(Math.round(x)-Math.round(y));
})
.on('canplay',function() {
// previously handled seeking to startTime here
// but it's probably safer to wait for canplaythrough
// so we know player can seek ahead to anything
})
.on('canplaythrough',function() {
// previously onMediaNewSourceLoad() was called on 'loadedmetadata'
// but that proved to be too soon for some of this functionality.
// TODO: Monitor this. If moving it here causes performance issues,
// consider moving some or all of this functionality to 'canplay'
thisObj.onMediaNewSourceLoad();
})
.on('play',function() {
// 'play' indicates that the play method has been called.
// Don't do anything until playback has actually started.
})
.on('playing',function() {
// 'playing' indicates that the video is playing.
thisObj.playing = true;
thisObj.paused = false;
thisObj.swappingSrc = false;
thisObj.refreshControls('playpause');
})
.on('ended',function() {
thisObj.playing = false;
thisObj.paused = true;
thisObj.onMediaComplete();
})
.on('progress', function() {
thisObj.refreshControls('timeline');
})
.on('waiting',function() {
// do something
// previously called refreshControls() here but this event probably doesn't warrant a refresh
})
.on('durationchange',function() {
// Display new duration.
thisObj.refreshControls('timeline');
})
.on('timeupdate',function() {
thisObj.onMediaUpdateTime(); // includes a call to refreshControls()
})
.on('pause',function() {
if (!thisObj.clickedPlay) {
// 'pause' was triggered automatically, not initiated by user
// this happens in some browsers when swapping source
// (e.g., between tracks in a playlist or swapping description)
if (thisObj.hasPlaylist || thisObj.swappingSrc) {
// do NOT set playing to false.
// doing so prevents continual playback after new track is loaded
} else {
thisObj.playing = false;
thisObj.paused = true;
}
} else {
thisObj.playing = false;
thisObj.paused = true;
}
thisObj.clickedPlay = false; // done with this variable
thisObj.onMediaPause(); // includes a call to refreshControls()
})
.on('ratechange',function() {
// do something
})
.on('volumechange',function() {
thisObj.volume = thisObj.getVolume();
})
.on('error',function() {
if (thisObj.debug) {
switch (thisObj.media.error.code) {
case 1:
console.log('HTML5 Media Error: MEDIA_ERR_ABORTED');
break;
case 2:
console.log('HTML5 Media Error: MEDIA_ERR_NETWORK ');
break;
case 3:
console.log('HTML5 Media Error: MEDIA_ERR_DECODE ');
break;
case 4:
console.log('HTML5 Media Error: MEDIA_ERR_SRC_NOT_SUPPORTED ');
break;
}
}
});
};
AblePlayer.prototype.addVimeoListeners = function () {
var thisObj = this;
// Vimeo doesn't seem to support chaining of on() functions
// so each event listener must be attached separately
this.vimeoPlayer.on('loaded', function(vimeoId) {
// Triggered when a new video is loaded in the player
thisObj.onMediaNewSourceLoad();
});
this.vimeoPlayer.on('play', function(data) {
// Triggered when the video plays
thisObj.playing = true;
thisObj.startedPlaying = true;
thisObj.paused = false;
thisObj.refreshControls('playpause');
});
this.vimeoPlayer.on('ended', function(data) {
// Triggered any time the video playback reaches the end.
// Note: when loop is turned on, the ended event will not fire.
thisObj.playing = false;
thisObj.paused = true;
thisObj.onMediaComplete();
});
this.vimeoPlayer.on('bufferstart', function() {
// Triggered when buffering starts in the player.
// This is also triggered during preload and while seeking.
// There is no associated data with this event.
});
this.vimeoPlayer.on('bufferend', function() {
// Triggered when buffering ends in the player.
// This is also triggered at the end of preload and seeking.
// There is no associated data with this event.
});
this.vimeoPlayer.on('progress', function(data) {
// Triggered as the video is loaded.
// Reports back the amount of the video that has been buffered (NOT the amount played)
// Data has keys duration, percent, and seconds
});
this.vimeoPlayer.on('seeking', function(data) {
// Triggered when the player starts seeking to a specific time.
// A timeupdate event will also be fired at the same time.
});
this.vimeoPlayer.on('seeked', function(data) {
// Triggered when the player seeks to a specific time.
// A timeupdate event will also be fired at the same time.
});
this.vimeoPlayer.on('timeupdate',function(data) {
// Triggered as the currentTime of the video updates.
// It generally fires every 250ms, but it may vary depending on the browser.
thisObj.onMediaUpdateTime(data['duration'], data['seconds']);
});
this.vimeoPlayer.on('pause',function(data) {
// Triggered when the video pauses
if (!thisObj.clickedPlay) {
// 'pause' was triggered automatically, not initiated by user
// this happens in some browsers (not Chrome, as of 70.x)
// when swapping source (e.g., between tracks in a playlist, or swapping description)
if (thisObj.hasPlaylist || thisObj.swappingSrc) {
// do NOT set playing to false.
// doing so prevents continual playback after new track is loaded
} else {
thisObj.playing = false;
thisObj.paused = true;
}
} else {
thisObj.playing = false;
thisObj.paused = true;
}
thisObj.clickedPlay = false; // done with this variable
thisObj.onMediaPause();
thisObj.refreshControls('playpause');
});
this.vimeoPlayer.on('playbackratechange',function(data) {
// Triggered when the playback rate of the video in the player changes.
// The ability to change rate can be disabled by the creator
// and the event will not fire for those videos.
// data contains one key: 'playbackRate'
thisObj.vimeoPlaybackRate = data['playbackRate'];
});
this.vimeoPlayer.on('texttrackchange', function(data) {
// Triggered when the active text track (captions/subtitles) changes.
// The values will be null if text tracks are turned off.
// data contains three keys: kind, label, language
});
this.vimeoPlayer.on('volumechange',function(data) {
// Triggered when the volume in the player changes.
// Some devices do not support setting the volume of the video
// independently from the system volume,
// so this event will never fire on those devices.
thisObj.volume = data['volume'] * 10;
});
this.vimeoPlayer.on('error',function(data) {
// do something with the available data
// data contains three keys: message, method, name
// message: A user-friendly error message
// method: The Vimeo API method call that triggered the error
// name: Name of the error (not necesssarily user-friendly)
});
};
AblePlayer.prototype.addEventListeners = function () {
// Save the current object context in thisObj for use with inner functions.
var thisObj = this;
// Appropriately resize media player for full screen.
$(window).on('resize',function () {
thisObj.resizePlayer();
});
// Refresh player if it changes from hidden to visible
// There is no event triggered by a change in visibility
// but MutationObserver works in most browsers (but NOT in IE 10 or earlier)
// http://caniuse.com/#feat=mutationobserver
if (window.MutationObserver) {
var target = this.$ableDiv[0];
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(mutation) {
if (mutation.type === 'attributes' && mutation.attributeName === 'style') {
// the player's style attribute has changed. Check to see if it's visible
if (thisObj.$ableDiv.is(':visible')) {
thisObj.refreshControls();
}
}
});
});
var config = { attributes: true, childList: true, characterData: true };
observer.observe(target, config);
}
if (typeof this.seekBar !== 'undefined') {
this.addSeekbarListeners();
} else {
// wait a bit and try again
// TODO: Should set this up to keep trying repeatedly.
// Seekbar listeners are critical.
setTimeout(function() {
if (typeof thisObj.seekBar !== 'undefined') {
thisObj.addSeekbarListeners();
}
},2000);
}
// handle clicks on player buttons
this.$controllerDiv.find('div[role="button"]').on('click',function(e){
e.stopPropagation();
thisObj.onClickPlayerButton(this);
});
// handle clicks (left only) anywhere on the page. If any popups are open, close them.
$('body').on('click', function(e) {
if (e.button !== 0) { // not a left click
return false;
}
if ($('.able-popup:visible').length || $('.able-volume-slider:visible').length ) {
// at least one popup is visible
thisObj.closePopups();
}
if (e.target.tagName === 'VIDEO') {
// user clicked the video (not an element that sits on top of the video)
// handle this as a play/pause toggle click
thisObj.clickedPlay = true;
}
});
// handle mouse movement over player; make controls visible again if hidden
this.$ableDiv.on('mousemove',function() {
if (thisObj.controlsHidden) {
thisObj.fadeControls('in');
thisObj.controlsHidden = false;
// if there's already an active timeout, clear it and start timer again
if (thisObj.hideControlsTimeoutStatus === 'active') {
window.clearTimeout(thisObj.hideControlsTimeout);
thisObj.hideControlsTimeoutStatus = 'clear';
}
if (thisObj.hideControls) {
// after showing controls, hide them again after a brief timeout
thisObj.invokeHideControlsTimeout();
}
} else {
// if there's already an active timeout, clear it and start timer again
if (thisObj.hideControlsTimeoutStatus === 'active') {
window.clearTimeout(thisObj.hideControlsTimeout);
thisObj.hideControlsTimeoutStatus = 'clear';
if (thisObj.hideControls) {
thisObj.invokeHideControlsTimeout();
}
}
}
});
// if user presses a key from anywhere on the page, show player controls
$(document).on( 'keydown', function(e) {
if (thisObj.controlsHidden) {
thisObj.fadeControls('in');
thisObj.controlsHidden = false;
if (thisObj.hideControlsTimeoutStatus === 'active') {
window.clearTimeout(thisObj.hideControlsTimeout);
thisObj.hideControlsTimeoutStatus = 'clear';
}
if (thisObj.hideControls) {
// after showing controls, hide them again after a brief timeout
thisObj.invokeHideControlsTimeout();
}
} else {
// controls are visible
// if there's already an active timeout, clear it and start timer again
if (thisObj.hideControlsTimeoutStatus === 'active') {
window.clearTimeout(thisObj.hideControlsTimeout);
thisObj.hideControlsTimeoutStatus = 'clear';
if (thisObj.hideControls) {
thisObj.invokeHideControlsTimeout();
}
}
}
});
// handle local keydown events if this isn't the only player on the page;
// otherwise these are dispatched by global handler (see ableplayer-base,js)
this.$ableDiv.on( 'keydown', function (e) {
if (AblePlayer.nextIndex > 1) {
thisObj.onPlayerKeyPress(e);
}
});
// If stenoMode is enabled in an iframe, handle keydown events from the iframe
if (this.stenoMode && (typeof this.stenoFrameContents !== 'undefined')) {
this.stenoFrameContents.on('keydown',function(e) {
thisObj.onPlayerKeyPress(e);
});
};
// transcript is not a child of this.$ableDiv
// therefore, must be added separately
if (this.$transcriptArea) {
this.$transcriptArea.on('keydown',function (e) {
if (AblePlayer.nextIndex > 1) {
thisObj.onPlayerKeyPress(e);
}
});
}
// handle clicks on playlist items
if (this.$playlist) {
this.$playlist.on( 'click', function(e) {
if (!thisObj.userClickedPlaylist) {
// stopgap in case multiple clicks are fired on the same playlist item
thisObj.userClickedPlaylist = true; // will be set to false after new src is loaded & canplaythrough is triggered
thisObj.playlistIndex = $(this).index();
thisObj.cuePlaylistItem(thisObj.playlistIndex);
}
});
}
// Also play/pause when clicking on the media.
this.$media.on( 'click', function () {
thisObj.handlePlay();
});
// add listeners for media events
if (this.player === 'html5') {
this.addHtml5MediaListeners();
} else if (this.player === 'vimeo') {
this.addVimeoListeners();
} else if (this.player === 'youtube') {
// Youtube doesn't give us time update events, so we just periodically generate them ourselves
setInterval(function () {
thisObj.onMediaUpdateTime();
}, 300);
}
};
})(jQuery);