gecko-dev/toolkit/content/widgets/videocontrols.xml

1701 lines
81 KiB
XML

<?xml version="1.0"?>
<!-- This Source Code Form is subject to the terms of the Mozilla Public
- License, v. 2.0. If a copy of the MPL was not distributed with this
- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
<!DOCTYPE bindings [
<!ENTITY % videocontrolsDTD SYSTEM "chrome://global/locale/videocontrols.dtd">
%videocontrolsDTD;
]>
<bindings id="videoControlBindings"
xmlns="http://www.mozilla.org/xbl"
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns:xbl="http://www.mozilla.org/xbl"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:html="http://www.w3.org/1999/xhtml">
<binding id="timeThumb"
extends="chrome://global/content/bindings/scale.xml#scalethumb">
<xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<xbl:children/>
<hbox class="timeThumb" xbl:inherits="showhours">
<label class="timeLabel"/>
</hbox>
</xbl:content>
<implementation>
<constructor>
<![CDATA[
this.timeLabel = document.getAnonymousElementByAttribute(this, "class", "timeLabel");
this.timeLabel.setAttribute("value", "0:00");
]]>
</constructor>
<property name="showHours">
<getter>
<![CDATA[
return this.getAttribute("showhours") == "true";
]]>
</getter>
<setter>
<![CDATA[
this.setAttribute("showhours", val);
// If the duration becomes known while we're still showing the value
// for time=0, immediately update the value to show or hide the hours.
// It's less intrusive to do it now than when the user clicks play and
// is looking right next to the thumb.
var displayedTime = this.timeLabel.getAttribute("value");
if (val && displayedTime == "0:00")
this.timeLabel.setAttribute("value", "0:00:00");
else if (!val && displayedTime == "0:00:00")
this.timeLabel.setAttribute("value", "0:00");
]]>
</setter>
</property>
<method name="setTime">
<parameter name="time"/>
<body>
<![CDATA[
var timeString;
time = Math.round(time / 1000);
var hours = Math.floor(time / 3600);
var mins = Math.floor((time % 3600) / 60);
var secs = Math.floor(time % 60);
if (secs < 10)
secs = "0" + secs;
if (hours || this.showHours) {
if (mins < 10)
mins = "0" + mins;
timeString = hours + ":" + mins + ":" + secs;
} else {
timeString = mins + ":" + secs;
}
this.timeLabel.setAttribute("value", timeString);
]]>
</body>
</method>
</implementation>
</binding>
<binding id="suppressChangeEvent"
extends="chrome://global/content/bindings/scale.xml#scale">
<implementation implements="nsIXBLAccessible">
<!-- nsIXBLAccessible -->
<property name="accessibleName" readonly="true">
<getter>
if (this.type != "scrubber")
return "";
var currTime = this.thumb.timeLabel.getAttribute("value");
var totalTime = this.durationValue;
return this.scrubberNameFormat.replace(/#1/, currTime).
replace(/#2/, totalTime);
</getter>
</property>
<constructor>
<![CDATA[
this.scrubberNameFormat = ]]>"&scrubberScale.nameFormat;"<![CDATA[;
this.durationValue = "";
this.valueBar = null;
this.isDragging = false;
this.wasPausedBeforeDrag = true;
this.thumb = document.getAnonymousElementByAttribute(this, "class", "scale-thumb");
this.type = this.getAttribute("class");
this.Utils = document.getBindingParent(this.parentNode).Utils;
if (this.type == "scrubber")
this.valueBar = this.Utils.progressBar;
]]>
</constructor>
<method name="valueChanged">
<parameter name="which"/>
<parameter name="newValue"/>
<parameter name="userChanged"/>
<body>
<![CDATA[
// This method is a copy of the base binding's valueChanged(), except that it does
// not dispatch a |change| event (to avoid exposing the event to web content), and
// just calls the videocontrol's seekToPosition() method directly.
switch (which) {
case "curpos":
if (this.type == "scrubber") {
// Update the time shown in the thumb.
this.thumb.setTime(newValue);
this.Utils.positionLabel.setAttribute("value", this.thumb.timeLabel.value);
// Update the value bar to match the thumb position.
var percent = newValue / this.max;
this.valueBar.value = Math.round(percent * 10000); // has max=10000
}
// The value of userChanged is true when changing the position with the mouse,
// but not when pressing an arrow key. However, the base binding sets
// ._userChanged in its keypress handlers, so we just need to check both.
if (!userChanged && !this._userChanged)
return;
this.setAttribute("value", newValue);
if (this.type == "scrubber")
this.Utils.seekToPosition(newValue);
else if (this.type == "volumeControl")
this.Utils.setVolume(newValue / 100);
break;
case "minpos":
this.setAttribute("min", newValue);
break;
case "maxpos":
if (this.type == "scrubber") {
// Update the value bar to match the thumb position.
var percent = this.value / newValue;
this.valueBar.value = Math.round(percent * 10000); // has max=10000
}
this.setAttribute("max", newValue);
break;
}
]]>
</body>
</method>
<method name="dragStateChanged">
<parameter name="isDragging"/>
<body>
<![CDATA[
if (this.type == "scrubber") {
this.Utils.log("--- dragStateChanged: " + isDragging + " ---");
this.isDragging = isDragging;
if (isDragging) {
this.wasPausedBeforeDrag = this.Utils.video.paused;
this.previousPlaybackRate = this.Utils.video.playbackRate;
this.Utils.video.pause();
} else if (!this.wasPausedBeforeDrag) {
// After the drag ends, resume playing.
this.Utils.video.playbackRate = this.previousPlaybackRate;
this.Utils.video.play();
}
}
]]>
</body>
</method>
</implementation>
</binding>
<binding id="videoControls">
<resources>
<stylesheet src="chrome://global/content/bindings/videocontrols.css"/>
<stylesheet src="chrome://global/skin/media/videocontrols.css"/>
</resources>
<xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
class="mediaControlsFrame">
<stack flex="1">
<vbox flex="1" class="statusOverlay" hidden="true">
<box class="statusIcon"/>
<label class="errorLabel" anonid="errorAborted">&error.aborted;</label>
<label class="errorLabel" anonid="errorNetwork">&error.network;</label>
<label class="errorLabel" anonid="errorDecode">&error.decode;</label>
<label class="errorLabel" anonid="errorSrcNotSupported">&error.srcNotSupported;</label>
<label class="errorLabel" anonid="errorNoSource">&error.noSource2;</label>
<label class="errorLabel" anonid="errorGeneric">&error.generic;</label>
</vbox>
<vbox class="statsOverlay" hidden="true">
<html:div class="statsDiv" xmlns="http://www.w3.org/1999/xhtml">
<table class="statsTable">
<tr>
<td class="statLabel">&stats.media;</td>
<td class="statValue filename"><span class="statFilename"/></td>
</tr>
<tr>
<td class="statLabel">&stats.size;</td>
<td class="statValue size"><span class="statSize"/></td>
</tr>
<tr style="height: 1em;"/>
<tr>
<td class="statLabel">&stats.activity;</td>
<td class="statValue activity">
<span class="statActivity">
<span class="statActivityPaused">&stats.activityPaused;</span>
<span class="statActivityPlaying">&stats.activityPlaying;</span>
<span class="statActivityEnded">&stats.activityEnded;</span>
<span class="statActivitySeeking">&stats.activitySeeking;</span>
</span>
</td>
</tr>
<tr>
<td class="statLabel">&stats.volume;</td> <td class="statValue"><span class="statVolume"/></td>
</tr>
<tr>
<!-- Localization note: readyState is a HTML5 API MediaElement-specific attribute and should not be localized. -->
<td class="statLabel">readyState</td> <td class="statValue"><span class="statReadyState"/></td>
</tr>
<tr>
<!-- Localization note: networkState is a HTML5 API MediaElement-specific attribute and should not be localized. -->
<td class="statLabel">networkState</td> <td class="statValue"><span class="statNetState"/></td>
</tr>
<tr style="height: 1em;"/>
<tr>
<td class="statLabel">&stats.framesParsed;</td>
<td class="statValue"><span class="statFramesParsed"/></td>
</tr>
<tr>
<td class="statLabel">&stats.framesDecoded;</td>
<td class="statValue"><span class="statFramesDecoded"/></td>
</tr>
<tr>
<td class="statLabel">&stats.framesPresented;</td>
<td class="statValue"><span class="statFramesPresented"/></td>
</tr>
<tr>
<td class="statLabel">&stats.framesPainted;</td>
<td class="statValue"><span class="statFramesPainted"/></td>
</tr>
</table>
</html:div>
</vbox>
<vbox class="controlsOverlay">
<stack flex="1">
<spacer class="controlsSpacer" flex="1"/>
<box class="clickToPlay" hidden="true" flex="1"/>
</stack>
<hbox class="controlBar" hidden="true">
<button class="playButton"
playlabel="&playButton.playLabel;"
pauselabel="&playButton.pauseLabel;"/>
<stack class="scrubberStack" flex="1">
<box class="backgroundBar"/>
<progressmeter class="bufferBar"/>
<progressmeter class="progressBar" max="10000"/>
<scale class="scrubber" movetoclick="true"/>
</stack>
<vbox class="durationBox">
<label class="positionLabel" role="presentation"/>
<label class="durationLabel" role="presentation"/>
</vbox>
<button class="muteButton"
mutelabel="&muteButton.muteLabel;"
unmutelabel="&muteButton.unmuteLabel;"/>
<stack class="volumeStack" hidden="true" fadeout="true">
<box class="volumeBackgroundBar"/>
<scale class="volumeControl" orient="vertical" dir="reverse" movetoclick="true"/>
</stack>
<button class="fullscreenButton"
enterfullscreenlabel="&fullscreenButton.enterfullscreenlabel;"
exitfullscreenlabel="&fullscreenButton.exitfullscreenlabel;"/>
</hbox>
</vbox>
</stack>
</xbl:content>
<implementation>
<constructor>
<![CDATA[
this.isTouchControl = false;
this.randomID = 0;
this.Utils = {
debug : false,
video : null,
videocontrols : null,
controlBar : null,
playButton : null,
muteButton : null,
volumeStack : null,
volumeControl : null,
durationLabel : null,
positionLabel : null,
scrubberThumb : null,
scrubber : null,
progressBar : null,
bufferBar : null,
statusOverlay : null,
controlsSpacer : null,
clickToPlay : null,
stats : {},
fullscreenButton : null,
randomID : 0,
videoEvents : ["play", "pause", "ended", "volumechange", "loadeddata",
"loadstart", "timeupdate", "progress",
"playing", "waiting", "canplay", "canplaythrough",
"seeking", "seeked", "emptied", "loadedmetadata",
"error", "suspend", "stalled",
"mozinterruptbegin", "mozinterruptend" ],
firstFrameShown : false,
timeUpdateCount : 0,
maxCurrentTimeSeen : 0,
_isAudioOnly : false,
get isAudioOnly() { return this._isAudioOnly; },
set isAudioOnly(val) {
this._isAudioOnly = val;
if (!this.isTopLevelSyntheticDocument)
return;
this.video.style.height = this._controlBarHeight + "px";
this.video.style.width = "66%";
},
suppressError : false,
setupStatusFader : function(immediate) {
// Since the play button will be showing, we don't want to
// show the throbber behind it. The throbber here will
// only show if needed after the play button has been pressed.
if (!this.clickToPlay.hidden) {
this.startFadeOut(this.statusOverlay, true);
return;
}
var show = false;
if (this.video.seeking ||
(this.video.error && !this.suppressError) ||
this.video.networkState == this.video.NETWORK_NO_SOURCE ||
(this.video.networkState == this.video.NETWORK_LOADING &&
(this.video.paused || this.video.ended
? this.video.readyState < this.video.HAVE_CURRENT_DATA
: this.video.readyState < this.video.HAVE_FUTURE_DATA)) ||
(this.timeUpdateCount <= 1 && !this.video.ended &&
this.video.readyState < this.video.HAVE_ENOUGH_DATA &&
this.video.networkState == this.video.NETWORK_LOADING))
show = true;
// Explicitly hide the status fader if this
// is audio only until bug 619421 is fixed.
if (this.isAudioOnly)
show = false;
this.log("Status overlay: seeking=" + this.video.seeking +
" error=" + this.video.error + " readyState=" + this.video.readyState +
" paused=" + this.video.paused + " ended=" + this.video.ended +
" networkState=" + this.video.networkState +
" timeUpdateCount=" + this.timeUpdateCount +
" --> " + (show ? "SHOW" : "HIDE"));
this.startFade(this.statusOverlay, show, immediate);
},
/*
* Set the initial state of the controls. The binding is normally created along
* with video element, but could be attached at any point (eg, if the video is
* removed from the document and then reinserted). Thus, some one-time events may
* have already fired, and so we'll need to explicitly check the initial state.
*/
setupInitialState : function() {
this.randomID = Math.random();
this.videocontrols.randomID = this.randomID;
this.setPlayButtonState(this.video.paused);
this.setMuteButtonState(this.video.muted);
this.setFullscreenButtonState();
var volume = this.video.muted ? 0 : Math.round(this.video.volume * 100);
this.volumeControl.value = volume;
var duration = Math.round(this.video.duration * 1000); // in ms
var currentTime = Math.round(this.video.currentTime * 1000); // in ms
this.log("Initial playback position is at " + currentTime + " of " + duration);
// It would be nice to retain maxCurrentTimeSeen, but it would be difficult
// to determine if the media source changed while we were detached.
this.maxCurrentTimeSeen = currentTime;
this.showPosition(currentTime, duration);
// If we have metadata, check if this is a <video> without
// video data, or a video with no audio track.
if (this.video.readyState >= this.video.HAVE_METADATA) {
if (this.video instanceof HTMLVideoElement &&
(this.video.videoWidth == 0 || this.video.videoHeight == 0))
this.isAudioOnly = true;
// We have to check again if the media has audio here,
// because of bug 718107: switching to fullscreen may
// cause the bindings to detach and reattach, hence
// unsetting the attribute.
if (!this.isAudioOnly && !this.video.mozHasAudio) {
this.muteButton.setAttribute("noAudio", "true");
this.muteButton.setAttribute("disabled", "true");
}
}
if (this.isAudioOnly)
this.clickToPlay.hidden = true;
// If the first frame hasn't loaded, kick off a throbber fade-in.
if (this.video.readyState >= this.video.HAVE_CURRENT_DATA)
this.firstFrameShown = true;
// We can't determine the exact buffering status, but do know if it's
// fully loaded. (If it's still loading, it will fire a progress event
// and we'll figure out the exact state then.)
this.bufferBar.setAttribute("max", 100);
if (this.video.readyState >= this.video.HAVE_METADATA)
this.showBuffered();
else
this.bufferBar.setAttribute("value", 0);
// Set the current status icon.
if (this.hasError()) {
this.clickToPlay.hidden = true;
this.statusIcon.setAttribute("type", "error");
this.updateErrorText();
this.setupStatusFader(true);
}
// An event handler for |onresize| should be added when bug 227495 is fixed.
this.controlBar.hidden = false;
this._playButtonWidth = this.playButton.clientWidth;
this._durationLabelWidth = this.durationLabel.clientWidth;
this._muteButtonWidth = this.muteButton.clientWidth;
this._fullscreenButtonWidth = this.fullscreenButton.clientWidth;
this._controlBarHeight = this.controlBar.clientHeight;
this.controlBar.hidden = true;
this.adjustControlSize();
// Preserve Statistics when toggling fullscreen mode due to bug 714071.
if (XPCNativeWrapper.unwrap(this.video).mozMediaStatisticsShowing)
this.showStatistics(true);
this._handleCustomEventsBound = this.handleCustomEvents.bind(this);
this.video.addEventListener("media-showStatistics", this._handleCustomEventsBound, false, true);
},
setupNewLoadState : function() {
// videocontrols.css hides the control bar by default, because if script
// is disabled our binding's script is disabled too (bug 449358). Thus,
// the controls are broken and we don't want them shown. But if script is
// enabled, the code here will run and can explicitly unhide the controls.
//
// For videos with |autoplay| set, we'll leave the controls initially hidden,
// so that they don't get in the way of the playing video. Otherwise we'll
// go ahead and reveal the controls now, so they're an obvious user cue.
//
// (Note: the |controls| attribute is already handled via layout/style/html.css)
var shouldShow = !this.dynamicControls ||
(this.video.paused &&
!(this.video.autoplay && this.video.mozAutoplayEnabled));
// Hide the overlay if the video time is non-zero or if an error occurred to workaround bug 718107.
this.startFade(this.clickToPlay, shouldShow && !this.isAudioOnly &&
this.video.currentTime == 0 && !this.hasError(), true);
this.startFade(this.controlBar, shouldShow, true);
},
handleCustomEvents : function (e) {
if (!e.isTrusted)
return;
this.showStatistics(e.detail);
},
get dynamicControls() {
// Don't fade controls for <audio> elements.
var enabled = !this.isAudioOnly;
// Allow tests to explicitly suppress the fading of controls.
if (this.video.hasAttribute("mozNoDynamicControls"))
enabled = false;
// If the video hits an error, suppress controls if it
// hasn't managed to do anything else yet.
if (!this.firstFrameShown && this.hasError())
enabled = false;
return enabled;
},
handleEvent : function (aEvent) {
this.log("Got media event ----> " + aEvent.type);
// If the binding is detached (or has been replaced by a
// newer instance of the binding), nuke our event-listeners.
if (this.videocontrols.randomID != this.randomID) {
this.terminateEventListeners();
return;
}
switch (aEvent.type) {
case "play":
this.setPlayButtonState(false);
this.setupStatusFader();
if (!this._triggeredByControls && this.dynamicControls && this.videocontrols.isTouchControl)
this.startFadeOut(this.controlBar);
if (!this._triggeredByControls)
this.clickToPlay.hidden = true;
this._triggeredByControls = false;
break;
case "pause":
// Little white lie: if we've internally paused the video
// while dragging the scrubber, don't change the button state.
if (!this.scrubber.isDragging)
this.setPlayButtonState(true);
this.setupStatusFader();
break;
case "ended":
this.setPlayButtonState(true);
// We throttle timechange events, so the thumb might not be
// exactly at the end when the video finishes.
this.showPosition(Math.round(this.video.currentTime * 1000),
Math.round(this.video.duration * 1000));
this.startFadeIn(this.controlBar);
this.setupStatusFader();
break;
case "volumechange":
var volume = this.video.muted ? 0 : Math.round(this.video.volume * 100);
this.setMuteButtonState(this.video.muted);
this.volumeControl.value = volume;
break;
case "loadedmetadata":
this.adjustControlSize();
// If a <video> doesn't have any video data, treat it as <audio>
// and show the controls (they won't fade back out)
if (this.video instanceof HTMLVideoElement &&
(this.video.videoWidth == 0 || this.video.videoHeight == 0)) {
this.isAudioOnly = true;
this.clickToPlay.hidden = true;
this.startFadeIn(this.controlBar);
this.setFullscreenButtonState();
}
this.showDuration(Math.round(this.video.duration * 1000));
if (!this.isAudioOnly && !this.video.mozHasAudio) {
this.muteButton.setAttribute("noAudio", "true");
this.muteButton.setAttribute("disabled", "true");
}
break;
case "loadeddata":
this.firstFrameShown = true;
this.setupStatusFader();
break;
case "loadstart":
this.maxCurrentTimeSeen = 0;
this.controlsSpacer.removeAttribute("aria-label");
this.statusOverlay.removeAttribute("error");
this.statusIcon.setAttribute("type", "throbber");
this.isAudioOnly = (this.video instanceof HTMLAudioElement);
this.setPlayButtonState(true);
this.setupNewLoadState();
this.setupStatusFader();
break;
case "progress":
this.statusIcon.removeAttribute("stalled");
this.showBuffered();
this.setupStatusFader();
break;
case "stalled":
this.statusIcon.setAttribute("stalled", "true");
this.statusIcon.setAttribute("type", "throbber");
this.setupStatusFader();
break;
case "suspend":
this.setupStatusFader();
break;
case "timeupdate":
var currentTime = Math.round(this.video.currentTime * 1000); // in ms
var duration = Math.round(this.video.duration * 1000); // in ms
// If playing/seeking after the video ended, we won't get a "play"
// event, so update the button state here.
if (!this.video.paused)
this.setPlayButtonState(false);
this.timeUpdateCount++;
// Whether we show the statusOverlay sometimes depends
// on whether we've seen more than one timeupdate
// event (if we haven't, there hasn't been any
// "playback activity" and we may wish to show the
// statusOverlay while we wait for HAVE_ENOUGH_DATA).
// If we've seen more than 2 timeupdate events,
// the count is no longer relevant to setupStatusFader.
if (this.timeUpdateCount <= 2)
this.setupStatusFader();
// If the user is dragging the scrubber ignore the delayed seek
// responses (don't yank the thumb away from the user)
if (this.scrubber.isDragging)
return;
this.showPosition(currentTime, duration);
break;
case "emptied":
this.bufferBar.value = 0;
this.showPosition(0, 0);
break;
case "seeking":
this.showBuffered();
this.statusIcon.setAttribute("type", "throbber");
this.setupStatusFader();
break;
case "waiting":
this.statusIcon.setAttribute("type", "throbber");
this.setupStatusFader();
break;
case "seeked":
case "playing":
case "canplay":
case "canplaythrough":
this.setupStatusFader();
break;
case "error":
// We'll show the error status icon when we receive an error event
// under either of the following conditions:
// 1. The video has its error attribute set; this means we're loading
// from our src attribute, and the load failed, or we we're loading
// from source children and the decode or playback failed after we
// determined our selected resource was playable.
// 2. The video's networkState is NETWORK_NO_SOURCE. This means we we're
// loading from child source elements, but we were unable to select
// any of the child elements for playback during resource selection.
if (this.hasError()) {
this.suppressError = false;
this.clickToPlay.hidden = true;
this.statusIcon.setAttribute("type", "error");
this.updateErrorText();
this.setupStatusFader(true);
// If video hasn't shown anything yet, disable the controls.
if (!this.firstFrameShown)
this.startFadeOut(this.controlBar);
this.controlsSpacer.removeAttribute("hideCursor");
}
break;
case "mozinterruptbegin":
case "mozinterruptend":
// Nothing to do...
break;
default:
this.log("!!! event " + aEvent.type + " not handled!");
}
},
terminateEventListeners : function () {
if (this.statsInterval) {
clearInterval(this.statsInterval);
this.statsInterval = null;
}
for each (let event in this.videoEvents)
this.video.removeEventListener(event, this, false);
for each(let element in this.controlListeners)
element.item.removeEventListener(element.event, element.func, false);
delete this.controlListeners;
this.video.removeEventListener("media-showStatistics", this._handleCustomEventsBound, false);
delete this._handleCustomEventsBound;
this.log("--- videocontrols terminated ---");
},
hasError : function () {
return (this.video.error != null || this.video.networkState == this.video.NETWORK_NO_SOURCE);
},
updateErrorText : function () {
let error;
let v = this.video;
// It is possible to have both v.networkState == NETWORK_NO_SOURCE
// as well as v.error being non-null. In this case, we will show
// the v.error.code instead of the v.networkState error.
if (v.error) {
switch (v.error.code) {
case v.error.MEDIA_ERR_ABORTED:
error = "errorAborted";
break;
case v.error.MEDIA_ERR_NETWORK:
error = "errorNetwork";
break;
case v.error.MEDIA_ERR_DECODE:
error = "errorDecode";
break;
case v.error.MEDIA_ERR_SRC_NOT_SUPPORTED:
error = "errorSrcNotSupported";
break;
default:
error = "errorGeneric";
break;
}
} else if (v.networkState == v.NETWORK_NO_SOURCE) {
error = "errorNoSource";
} else {
return; // No error found.
}
let label = document.getAnonymousElementByAttribute(this.videocontrols, "anonid", error);
this.controlsSpacer.setAttribute("aria-label", label.textContent);
this.statusOverlay.setAttribute("error", error);
},
formatTime : function(aTime) {
// Format the duration as "h:mm:ss" or "m:ss"
aTime = Math.round(aTime / 1000);
let hours = Math.floor(aTime / 3600);
let mins = Math.floor((aTime % 3600) / 60);
let secs = Math.floor(aTime % 60);
let timeString;
if (secs < 10)
secs = "0" + secs;
if (hours) {
if (mins < 10)
mins = "0" + mins;
timeString = hours + ":" + mins + ":" + secs;
} else {
timeString = mins + ":" + secs;
}
return timeString;
},
showDuration : function (duration) {
let isInfinite = (duration == Infinity);
this.log("Duration is " + duration + "ms.\n");
if (isNaN(duration) || isInfinite)
duration = this.maxCurrentTimeSeen;
// Format the duration as "h:mm:ss" or "m:ss"
let timeString = isInfinite ? "" : this.formatTime(duration);
this.durationLabel.setAttribute("value", timeString);
// "durationValue" property is used by scale binding to
// generate accessible name.
this.scrubber.durationValue = timeString;
// If the duration is over an hour, thumb should show h:mm:ss instead of mm:ss
this.scrubberThumb.showHours = (duration >= 3600000);
this.scrubber.max = duration;
// XXX Can't set increment here, due to bug 473103. Also, doing so causes
// snapping when dragging with the mouse, so we can't just set a value for
// the arrow-keys.
//this.scrubber.increment = duration / 50;
this.scrubber.pageIncrement = Math.round(duration / 10);
},
seekToPosition : function(newPosition) {
newPosition /= 1000; // convert from ms
this.log("+++ seeking to " + newPosition);
this.video.currentTime = newPosition;
},
setVolume : function(newVolume) {
this.log("*** setting volume to " + newVolume);
this.video.volume = newVolume;
this.video.muted = false;
},
showPosition : function(currentTime, duration) {
// If the duration is unknown (because the server didn't provide
// it, or the video is a stream), then we want to fudge the duration
// by using the maximum playback position that's been seen.
if (currentTime > this.maxCurrentTimeSeen)
this.maxCurrentTimeSeen = currentTime;
this.showDuration(duration);
this.log("time update @ " + currentTime + "ms of " + duration + "ms");
this.positionLabel.setAttribute("value", this.formatTime(currentTime));
this.scrubber.value = currentTime;
},
showBuffered : function() {
function bsearch(haystack, needle, cmp) {
var length = haystack.length;
var low = 0;
var high = length;
while (low < high) {
var probe = low + ((high - low) >> 1);
var r = cmp(haystack, probe, needle);
if (r == 0) {
return probe;
} else if (r > 0) {
low = probe + 1;
} else {
high = probe;
}
}
return -1;
}
function bufferedCompare(buffered, i, time) {
if (time > buffered.end(i)) {
return 1;
} else if (time >= buffered.start(i)) {
return 0;
}
return -1;
}
var duration = Math.round(this.video.duration * 1000);
if (isNaN(duration))
duration = this.maxCurrentTimeSeen;
// Find the range that the current play position is in and use that
// range for bufferBar. At some point we may support multiple ranges
// displayed in the bar.
var currentTime = this.video.currentTime;
var buffered = this.video.buffered;
var index = bsearch(buffered, currentTime, bufferedCompare);
var endTime = 0;
if (index >= 0) {
endTime = Math.round(buffered.end(index) * 1000);
}
this.bufferBar.max = duration;
this.bufferBar.value = endTime;
},
onVolumeMouseInOut : function (event) {
let doc = this.video.ownerDocument;
let win = doc.defaultView;
if (this.isVideoWithoutAudioTrack() ||
(this.isAudioOnly && this.isTopLevelSyntheticDocument)) {
return;
}
// Ignore events caused by transitions between mute button and volumeStack,
// or between nodes inside these two elements.
if (this.isEventWithin(event, this.muteButton, this.volumeStack))
return;
var isMouseOver = (event.type == "mouseover");
this.startFade(this.volumeStack, isMouseOver);
},
_controlsHiddenByTimeout : false,
_showControlsTimeout : 0,
SHOW_CONTROLS_TIMEOUT_MS: 500,
_showControlsFn : function () {
if (Utils.video.mozMatchesSelector("video:hover")) {
Utils.startFadeIn(Utils.controlBar, false);
Utils._showControlsTimeout = 0;
Utils._controlsHiddenByTimeout = false;
}
},
_hideControlsTimeout : 0,
_hideControlsFn : function () {
if (!Utils.scrubber.isDragging) {
Utils.startFade(Utils.controlBar, false);
Utils._hideControlsTimeout = 0;
Utils._controlsHiddenByTimeout = true;
}
},
HIDE_CONTROLS_TIMEOUT_MS : 2000,
onMouseMove : function (event) {
// If the controls are static, don't change anything.
if (!this.dynamicControls)
return;
clearTimeout(this._hideControlsTimeout);
// Suppress fading out the controls until the video has rendered
// its first frame. But since autoplay videos start off with no
// controls, let them fade-out so the controls don't get stuck on.
if (!this.firstFrameShown &&
!(this.video.autoplay && this.video.mozAutoplayEnabled))
return;
if (this._controlsHiddenByTimeout)
this._showControlsTimeout = setTimeout(this._showControlsFn, this.SHOW_CONTROLS_TIMEOUT_MS);
else
this.startFade(this.controlBar, true);
// Hide the controls if the mouse cursor is left on top of the video
// but above the control bar and if the click-to-play overlay is hidden.
if ((this._controlsHiddenByTimeout ||
event.clientY < this.controlBar.getBoundingClientRect().top) &&
this.clickToPlay.hidden) {
this._hideControlsTimeout = setTimeout(this._hideControlsFn, this.HIDE_CONTROLS_TIMEOUT_MS);
}
},
onMouseInOut : function (event) {
// If the controls are static, don't change anything.
if (!this.dynamicControls)
return;
clearTimeout(this._hideControlsTimeout);
// Ignore events caused by transitions between child nodes.
// Note that the videocontrols element is the same
// size as the *content area* of the video element,
// but this is not the same as the video element's
// border area if the video has border or padding.
if (this.isEventWithin(event, this.videocontrols))
return;
var isMouseOver = (event.type == "mouseover");
var isMouseInControls = event.clientY > this.controlBar.getBoundingClientRect().top &&
event.clientY < this.controlBar.getBoundingClientRect().bottom;
// Suppress fading out the controls until the video has rendered
// its first frame. But since autoplay videos start off with no
// controls, let them fade-out so the controls don't get stuck on.
if (!this.firstFrameShown && !isMouseOver &&
!(this.video.autoplay && this.video.mozAutoplayEnabled))
return;
if (!isMouseOver && !isMouseInControls) {
this.adjustControlSize();
// Keep the controls visible if the click-to-play is visible.
if (!this.clickToPlay.hidden)
return;
this.startFadeOut(this.controlBar, false);
clearTimeout(this._showControlsTimeout);
Utils._controlsHiddenByTimeout = false;
}
},
startFadeIn : function (element, immediate) {
this.startFade(element, true, immediate);
},
startFadeOut : function (element, immediate) {
this.startFade(element, false, immediate);
},
startFade : function (element, fadeIn, immediate) {
if (element.classList.contains("controlBar") && fadeIn) {
// Bug 493523, the scrubber doesn't call valueChanged while hidden,
// so our dependent state (eg, timestamp in the thumb) will be stale.
// As a workaround, update it manually when it first becomes unhidden.
if (element.hidden)
this.scrubber.valueChanged("curpos", this.video.currentTime * 1000, false);
}
if (immediate)
element.setAttribute("immediate", true);
else
element.removeAttribute("immediate");
if (fadeIn) {
element.hidden = false;
// force style resolution, so that transition begins
// when we remove the attribute.
element.clientTop;
element.removeAttribute("fadeout");
if (element.classList.contains("controlBar"))
this.controlsSpacer.removeAttribute("hideCursor");
} else {
element.setAttribute("fadeout", true);
if (element.classList.contains("controlBar") && !this.hasError() &&
document.mozFullScreenElement == this.video)
this.controlsSpacer.setAttribute("hideCursor", true);
}
},
onTransitionEnd : function (event) {
// Ignore events for things other than opacity changes.
if (event.propertyName != "opacity")
return;
var element = event.originalTarget;
// Nothing to do when a fade *in* finishes.
if (!element.hasAttribute("fadeout"))
return;
element.hidden = true;
},
_triggeredByControls: false,
togglePause : function () {
if (this.video.paused || this.video.ended) {
this._triggeredByControls = true;
this.hideClickToPlay();
this.video.playbackRate = this.video.defaultPlaybackRate;
this.video.play();
} else {
this.video.pause();
}
// We'll handle style changes in the event listener for
// the "play" and "pause" events, same as if content
// script was controlling video playback.
},
isVideoWithoutAudioTrack : function() {
return this.video.readyState >= this.video.HAVE_METADATA &&
!this.isAudioOnly &&
!this.video.mozHasAudio;
},
toggleMute : function () {
if (this.isVideoWithoutAudioTrack()) {
return;
}
this.video.muted = !this.video.muted;
// We'll handle style changes in the event listener for
// the "volumechange" event, same as if content script was
// controlling volume.
},
isVideoInFullScreen : function () {
return document.mozFullScreenElement == this.video;
},
toggleFullscreen : function () {
this.isVideoInFullScreen() ?
document.mozCancelFullScreen() :
this.video.mozRequestFullScreen();
},
setFullscreenButtonState : function () {
if (this.isAudioOnly || !document.mozFullScreenEnabled) {
this.fullscreenButton.hidden = true;
return;
}
var attrName = this.isVideoInFullScreen() ? "exitfullscreenlabel" : "enterfullscreenlabel";
var value = this.fullscreenButton.getAttribute(attrName);
this.fullscreenButton.setAttribute("aria-label", value);
if (this.isVideoInFullScreen())
this.fullscreenButton.setAttribute("fullscreened", "true");
else
this.fullscreenButton.removeAttribute("fullscreened");
},
onFullscreenChange: function () {
if (this.isVideoInFullScreen()) {
Utils._hideControlsTimeout = setTimeout(this._hideControlsFn, this.HIDE_CONTROLS_TIMEOUT_MS);
}
this.setFullscreenButtonState();
},
clickToPlayClickHandler : function(e) {
if (e.button != 0)
return;
if (this.hasError() && !this.suppressError) {
// Errors that can be dismissed should be placed here as we discover them.
if (this.video.error.code != this.video.error.MEDIA_ERR_ABORTED)
return;
this.statusOverlay.hidden = true;
this.suppressError = true;
return;
}
// Read defaultPrevented asynchronously, since Web content
// may want to consume the "click" event but will only
// receive it after us.
let self = this;
setTimeout(function clickToPlayCallback() {
if (!e.defaultPrevented)
self.togglePause();
}, 0);
},
hideClickToPlay : function () {
let videoHeight = this.video.clientHeight;
let videoWidth = this.video.clientWidth;
// The play button will animate to 3x its size. This
// shows the animation unless the video is too small
// to show 2/3 of the animation.
let animationScale = 2;
if (this._overlayPlayButtonHeight * animationScale > (videoHeight - this._controlBarHeight)||
this._overlayPlayButtonWidth * animationScale > videoWidth) {
this.clickToPlay.setAttribute("immediate", "true");
this.clickToPlay.hidden = true;
} else {
this.clickToPlay.removeAttribute("immediate");
}
this.clickToPlay.setAttribute("fadeout", "true");
},
setPlayButtonState : function(aPaused) {
if (aPaused)
this.playButton.setAttribute("paused", "true");
else
this.playButton.removeAttribute("paused");
var attrName = aPaused ? "playlabel" : "pauselabel";
var value = this.playButton.getAttribute(attrName);
this.playButton.setAttribute("aria-label", value);
},
setMuteButtonState : function(aMuted) {
if (aMuted)
this.muteButton.setAttribute("muted", "true");
else
this.muteButton.removeAttribute("muted");
var attrName = aMuted ? "unmutelabel" : "mutelabel";
var value = this.muteButton.getAttribute(attrName);
this.muteButton.setAttribute("aria-label", value);
},
_getComputedPropertyValueAsInt : function(element, property) {
let value = window.getComputedStyle(element, null).getPropertyValue(property);
return parseInt(value, 10);
},
STATS_INTERVAL_MS : 500,
statsInterval : null,
showStatistics : function(shouldShow) {
if (this.statsInterval) {
clearInterval(this.statsInterval);
this.statsInterval = null;
}
let unwrappedVideo = XPCNativeWrapper.unwrap(this.video);
if (shouldShow) {
unwrappedVideo.mozMediaStatisticsShowing = true;
this.statsOverlay.hidden = false;
this.statsInterval = setInterval(this.updateStats.bind(this), this.STATS_INTERVAL_MS);
this.updateStats();
} else {
delete unwrappedVideo.mozMediaStatisticsShowing;
this.statsOverlay.hidden = true;
}
},
updateStats : function() {
if (this.videocontrols.randomID != this.randomID) {
this.terminateEventListeners();
return;
}
let v = this.video;
let s = this.stats;
let src = v.currentSrc || v.src || "(no source found)";
let srcParts = src.split('/');
let srcIdx = srcParts.length - 1;
if (src.lastIndexOf('/') == src.length - 1)
srcIdx--;
s.filename.textContent = decodeURI(srcParts[srcIdx]);
let size = v.videoWidth + "x" + v.videoHeight;
if (this._getComputedPropertyValueAsInt(this.video, "width") != v.videoWidth || this._getComputedPropertyValueAsInt(this.video, "height") != v.videoHeight)
size += " scaled to " + this._getComputedPropertyValueAsInt(this.video, "width") + "x" + this._getComputedPropertyValueAsInt(this.video, "height");
s.size.textContent = size;
let activity;
if (v.paused)
activity = "paused";
else
activity = "playing";
if (v.ended)
activity = "ended";
if (s.activity.getAttribute("activity") != activity)
s.activity.setAttribute("activity", activity);
if (v.seeking && !s.activity.hasAttribute("seeking"))
s.activity.setAttribute("seeking", true);
else if (s.activity.hasAttribute("seeking"))
s.activity.removeAttribute("seeking");
let readyState = v.readyState;
switch (readyState) {
case v.HAVE_NOTHING: readyState = "HAVE_NOTHING"; break;
case v.HAVE_METADATA: readyState = "HAVE_METADATA"; break;
case v.HAVE_CURRENT_DATA: readyState = "HAVE_CURRENT_DATA"; break;
case v.HAVE_FUTURE_DATA: readyState = "HAVE_FUTURE_DATA"; break;
case v.HAVE_ENOUGH_DATA: readyState = "HAVE_ENOUGH_DATA"; break;
}
s.readyState.textContent = readyState;
let networkState = v.networkState;
switch (networkState) {
case v.NETWORK_EMPTY: networkState = "NETWORK_EMPTY"; break;
case v.NETWORK_IDLE: networkState = "NETWORK_IDLE"; break;
case v.NETWORK_LOADING: networkState = "NETWORK_LOADING"; break;
case v.NETWORK_NO_SOURCE: networkState = "NETWORK_NO_SOURCE"; break;
}
s.netState.textContent = networkState;
s.framesParsed.textContent = v.mozParsedFrames;
s.framesDecoded.textContent = v.mozDecodedFrames;
s.framesPresented.textContent = v.mozPresentedFrames;
s.framesPainted.textContent = v.mozPaintedFrames;
let volume = Math.round(v.volume * 100) + "%";
if (v.muted)
volume += " (muted)";
s.volume.textContent = volume;
},
keyHandler : function(event) {
// Ignore keys when content might be providing its own.
if (!this.video.hasAttribute("controls"))
return;
var keystroke = "";
if (event.altKey)
keystroke += "alt-";
if (event.shiftKey)
keystroke += "shift-";
#ifdef XP_MACOSX
if (event.metaKey)
keystroke += "accel-";
if (event.ctrlKey)
keystroke += "control-";
#else
if (event.metaKey)
keystroke += "meta-";
if (event.ctrlKey)
keystroke += "accel-";
#endif
switch (event.keyCode) {
case KeyEvent.DOM_VK_UP:
keystroke += "upArrow";
break;
case KeyEvent.DOM_VK_DOWN:
keystroke += "downArrow";
break;
case KeyEvent.DOM_VK_LEFT:
keystroke += "leftArrow";
break;
case KeyEvent.DOM_VK_RIGHT:
keystroke += "rightArrow";
break;
case KeyEvent.DOM_VK_HOME:
keystroke += "home";
break;
case KeyEvent.DOM_VK_END:
keystroke += "end";
break;
}
if (String.fromCharCode(event.charCode) == ' ')
keystroke += "space";
this.log("Got keystroke: " + keystroke);
var oldval, newval;
try {
switch (keystroke) {
case "space": /* Play */
this.togglePause();
break;
case "downArrow": /* Volume decrease */
oldval = this.video.volume;
this.video.volume = (oldval < 0.1 ? 0 : oldval - 0.1);
this.video.muted = false;
break;
case "upArrow": /* Volume increase */
oldval = this.video.volume;
this.video.volume = (oldval > 0.9 ? 1 : oldval + 0.1);
this.video.muted = false;
break;
case "accel-downArrow": /* Mute */
this.video.muted = true;
break;
case "accel-upArrow": /* Unmute */
this.video.muted = false;
break;
case "leftArrow": /* Seek back 15 seconds */
case "accel-leftArrow": /* Seek back 10% */
oldval = this.video.currentTime;
if (keystroke == "leftArrow")
newval = oldval - 15;
else
newval = oldval - (this.video.duration || this.maxCurrentTimeSeen / 1000) / 10;
this.video.currentTime = (newval >= 0 ? newval : 0);
break;
case "rightArrow": /* Seek forward 15 seconds */
case "accel-rightArrow": /* Seek forward 10% */
oldval = this.video.currentTime;
var maxtime = (this.video.duration || this.maxCurrentTimeSeen / 1000);
if (keystroke == "rightArrow")
newval = oldval + 15;
else
newval = oldval + maxtime / 10;
this.video.currentTime = (newval <= maxtime ? newval : maxtime);
break;
case "home": /* Seek to beginning */
this.video.currentTime = 0;
break;
case "end": /* Seek to end */
if (this.video.currentTime != this.video.duration)
this.video.currentTime = (this.video.duration || this.maxCurrentTimeSeen / 1000);
break;
default:
return;
}
} catch(e) { /* ignore any exception from setting .currentTime */ }
event.preventDefault(); // Prevent page scrolling
},
isEventWithin : function (event, parent1, parent2) {
function isDescendant (node) {
while (node) {
if (node == parent1 || node == parent2)
return true;
node = node.parentNode;
}
return false;
}
return isDescendant(event.target) && isDescendant(event.relatedTarget);
},
log : function (msg) {
if (this.debug)
dump("videoctl: " + msg + "\n");
},
get isTopLevelSyntheticDocument() {
let doc = this.video.ownerDocument;
let win = doc.defaultView;
return doc.mozSyntheticDocument && win === win.top;
},
_playButtonWidth : 0,
_durationLabelWidth : 0,
_muteButtonWidth : 0,
_fullscreenButtonWidth : 0,
_controlBarHeight : 0,
_overlayPlayButtonHeight : 64,
_overlayPlayButtonWidth : 64,
adjustControlSize : function adjustControlSize() {
let doc = this.video.ownerDocument;
let isAudioOnly = this.isAudioOnly;
if (isAudioOnly && !this.isTopLevelSyntheticDocument)
return;
// The scrubber has |flex=1|, therefore |minScrubberWidth|
// was generated by empirical testing.
let minScrubberWidth = 25;
let minWidthAllControls = this._playButtonWidth +
minScrubberWidth +
this._durationLabelWidth +
this._muteButtonWidth +
this._fullscreenButtonWidth;
let minHeightForControlBar = this._controlBarHeight;
let minWidthOnlyPlayPause = this._playButtonWidth + this._muteButtonWidth;
let videoHeight = isAudioOnly ? minHeightForControlBar : this.video.clientHeight;
let videoWidth = isAudioOnly ? minWidthAllControls : this.video.clientWidth;
if (this._overlayPlayButtonHeight > videoHeight || this._overlayPlayButtonWidth > videoWidth)
this.clickToPlay.hidden = true;
let size = "normal";
if (videoHeight < minHeightForControlBar)
size = "hidden";
else if (videoWidth < minWidthOnlyPlayPause)
size = "hidden";
else if (videoWidth < minWidthAllControls)
size = "small";
this.controlBar.setAttribute("size", size);
},
init : function (binding) {
this.video = binding.parentNode;
this.videocontrols = binding;
this.isAudioOnly = (this.video instanceof HTMLAudioElement);
this.statusIcon = document.getAnonymousElementByAttribute(binding, "class", "statusIcon");
this.controlBar = document.getAnonymousElementByAttribute(binding, "class", "controlBar");
this.playButton = document.getAnonymousElementByAttribute(binding, "class", "playButton");
this.muteButton = document.getAnonymousElementByAttribute(binding, "class", "muteButton");
this.volumeControl = document.getAnonymousElementByAttribute(binding, "class", "volumeControl");
this.volumeStack = document.getAnonymousElementByAttribute(binding, "class", "volumeStack");
this.progressBar = document.getAnonymousElementByAttribute(binding, "class", "progressBar");
this.bufferBar = document.getAnonymousElementByAttribute(binding, "class", "bufferBar");
this.scrubber = document.getAnonymousElementByAttribute(binding, "class", "scrubber");
this.scrubberThumb = document.getAnonymousElementByAttribute(this.scrubber, "class", "scale-thumb");
this.durationLabel = document.getAnonymousElementByAttribute(binding, "class", "durationLabel");
this.positionLabel = document.getAnonymousElementByAttribute(binding, "class", "positionLabel");
this.statusOverlay = document.getAnonymousElementByAttribute(binding, "class", "statusOverlay");
this.statsOverlay = document.getAnonymousElementByAttribute(binding, "class", "statsOverlay");
this.controlsSpacer = document.getAnonymousElementByAttribute(binding, "class", "controlsSpacer");
this.clickToPlay = document.getAnonymousElementByAttribute(binding, "class", "clickToPlay");
this.fullscreenButton = document.getAnonymousElementByAttribute(binding, "class", "fullscreenButton");
this.statsTable = document.getAnonymousElementByAttribute(binding, "class", "statsTable");
this.stats.filename = document.getAnonymousElementByAttribute(binding, "class", "statFilename");
this.stats.size = document.getAnonymousElementByAttribute(binding, "class", "statSize");
this.stats.activity = document.getAnonymousElementByAttribute(binding, "class", "statActivity");
this.stats.volume = document.getAnonymousElementByAttribute(binding, "class", "statVolume");
this.stats.readyState = document.getAnonymousElementByAttribute(binding, "class", "statReadyState");
this.stats.netState = document.getAnonymousElementByAttribute(binding, "class", "statNetState");
this.stats.framesParsed = document.getAnonymousElementByAttribute(binding, "class", "statFramesParsed");
this.stats.framesDecoded = document.getAnonymousElementByAttribute(binding, "class", "statFramesDecoded");
this.stats.framesPresented = document.getAnonymousElementByAttribute(binding, "class", "statFramesPresented");
this.stats.framesPainted = document.getAnonymousElementByAttribute(binding, "class", "statFramesPainted");
this.setupInitialState();
this.setupNewLoadState();
// Use the handleEvent() callback for all media events.
// The "error" event listener must capture, so that it can trap error events
// from the <source> children, which don't bubble.
for each (let event in this.videoEvents)
this.video.addEventListener(event, this, (event == "error") ? true : false);
var self = this;
this.controlListeners = [];
// Helper function to add an event listener to the given element
function addListener(elem, eventName, func) {
let boundFunc = func.bind(self);
self.controlListeners.push({ item: elem, event: eventName, func: boundFunc });
elem.addEventListener(eventName, boundFunc, false);
}
addListener(this.muteButton, "command", this.toggleMute);
addListener(this.playButton, "command", this.togglePause);
addListener(this.fullscreenButton, "command", this.toggleFullscreen);
addListener(this.clickToPlay, "click", this.clickToPlayClickHandler);
addListener(this.controlsSpacer, "click", this.clickToPlayClickHandler);
addListener(this.controlsSpacer, "dblclick", this.toggleFullscreen);
if (this.isAudioOnly) {
this.controlBar.classList.add("audio");
} else {
addListener(this.muteButton, "mouseover", this.onVolumeMouseInOut);
addListener(this.muteButton, "mouseout", this.onVolumeMouseInOut);
addListener(this.volumeStack, "mouseover", this.onVolumeMouseInOut);
addListener(this.volumeStack, "mouseout", this.onVolumeMouseInOut);
}
addListener(this.videocontrols, "resizevideocontrols", this.adjustControlSize);
addListener(this.videocontrols, "transitionend", this.onTransitionEnd);
addListener(this.video.ownerDocument, "mozfullscreenchange", this.onFullscreenChange);
addListener(this.video, "keypress", this.keyHandler);
this.log("--- videocontrols initialized ---");
}
};
this.Utils.init(this);
]]>
</constructor>
<destructor>
<![CDATA[
// randomID used to be a <field>, which meant that the XBL machinery
// undefined the property when the element was unbound. The code in
// this file actually depends on this, so now that randomID is an
// expando, we need to make sure to explicitly delete it.
delete this.randomID;
]]>
</destructor>
</implementation>
<handlers>
<handler event="mouseover">
if (!this.isTouchControl)
this.Utils.onMouseInOut(event);
</handler>
<handler event="mouseout">
if (!this.isTouchControl)
this.Utils.onMouseInOut(event);
</handler>
<handler event="mousemove">
if (!this.isTouchControl)
this.Utils.onMouseMove(event);
</handler>
</handlers>
</binding>
<binding id="touchControls" extends="chrome://global/content/bindings/videocontrols.xml#videoControls">
<xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" class="mediaControlsFrame">
<stack flex="1">
<vbox flex="1" class="statusOverlay" hidden="true">
<box class="statusIcon"/>
<label class="errorLabel" anonid="errorAborted">&error.aborted;</label>
<label class="errorLabel" anonid="errorNetwork">&error.network;</label>
<label class="errorLabel" anonid="errorDecode">&error.decode;</label>
<label class="errorLabel" anonid="errorSrcNotSupported">&error.srcNotSupported;</label>
<label class="errorLabel" anonid="errorNoSource">&error.noSource2;</label>
<label class="errorLabel" anonid="errorGeneric">&error.generic;</label>
</vbox>
<vbox class="controlsOverlay">
<spacer class="controlsSpacer" flex="1"/>
<box flex="1" hidden="true">
<box class="clickToPlay" hidden="true" flex="1"/>
</box>
<vbox class="controlBar" hidden="true">
<hbox class="buttonsBar">
<button class="fullscreenButton"
enterfullscreenlabel="&fullscreenButton.enterfullscreenlabel;"
exitfullscreenlabel="&fullscreenButton.exitfullscreenlabel;"/>
<spacer flex="1"/>
<button class="playButton"
playlabel="&playButton.playLabel;"
pauselabel="&playButton.pauseLabel;"/>
<spacer flex="1"/>
<button class="muteButton"
mutelabel="&muteButton.muteLabel;"
unmutelabel="&muteButton.unmuteLabel;"/>
<stack class="volumeStack" hidden="true" fadeout="true">
<box class="volumeBackgroundBar"/>
<scale class="volumeControl" orient="vertical" dir="reverse" movetoclick="true"/>
</stack>
</hbox>
<stack class="scrubberStack" flex="1">
<box class="backgroundBar"/>
<progressmeter class="bufferBar"/>
<progressmeter class="progressBar" max="10000"/>
<scale class="scrubber" movetoclick="true"/>
</stack>
<vbox class="durationBox">
<label class="positionLabel" role="presentation"/>
<label class="durationLabel" role="presentation"/>
</vbox>
</vbox>
</vbox>
</stack>
</xbl:content>
<implementation>
<constructor>
<![CDATA[
this.isTouchControl = true;
this.TouchUtils = {
videocontrols: null,
controlsTimer : null,
controlsTimeout : 5000,
positionLabel: null,
get Utils() {
return this.videocontrols.Utils;
},
get visible() {
return !this.Utils.controlBar.hasAttribute("fadeout") &&
!(this.Utils.controlBar.getAttribute("hidden") == "true");
},
_firstShow: false,
get firstShow() { return this._firstShow; },
set firstShow(val) {
this._firstShow = val;
this.Utils.controlBar.setAttribute("firstshow", val);
},
toggleControls: function() {
if (!this.Utils.dynamicControls || !this.visible)
this.showControls();
else
this.delayHideControls(0);
},
showControls : function() {
if (this.Utils.dynamicControls) {
this.Utils.startFadeIn(this.Utils.controlBar);
this.delayHideControls(this.controlsTimeout);
}
},
clearTimer: function() {
if (this.controlsTimer) {
clearTimeout(this.controlsTimer);
this.controlsTimer = null;
}
},
delayHideControls : function(aTimeout) {
this.clearTimer();
let self = this;
this.controlsTimer = setTimeout(function() {
self.hideControls();
}, aTimeout);
},
hideControls : function() {
if (!this.Utils.dynamicControls)
return;
this.Utils.startFadeOut(this.Utils.controlBar);
if (this.firstShow)
this.videocontrols.addEventListener("transitionend", this, false);
},
handleEvent : function (aEvent) {
if (aEvent.type == "transitionend") {
this.firstShow = false;
this.videocontrols.removeEventListener("transitionend", this, false);
return;
}
if (this.videocontrols.randomID != this.Utils.randomID)
this.terminateEventListeners();
},
terminateEventListeners : function () {
for each (var event in this.videoEvents)
this.Utils.video.removeEventListener(event, this, false);
},
init : function (binding) {
this.videocontrols = binding;
var video = binding.parentNode;
let self = this;
this.Utils.playButton.addEventListener("command", function() {
if (!self.Utils.video.paused)
self.delayHideControls(0);
else
self.showControls();
}, false);
this.Utils.scrubber.addEventListener("touchstart", function() {
self.clearTimer();
}, false);
this.Utils.scrubber.addEventListener("touchend", function() {
self.delayHideControls(self.controlsTimeout);
}, false);
this.Utils.muteButton.addEventListener("click", function() { self.delayHideControls(self.controlsTimeout); }, false);
// The first time the controls appear we want to just display
// a play button that does not fade away. The firstShow property
// makes that happen. But because of bug 718107 this init() method
// may be called again when we switch in or out of fullscreen
// mode. So we only set firstShow if we're not autoplaying and
// if we are at the beginning of the video and not already playing
if (!video.autoplay && this.Utils.dynamicControls && video.paused &&
video.currentTime === 0)
this.firstShow = true;
// If the video is not at the start, then we probably just
// transitioned into or out of fullscreen mode, and we don't want
// the controls to remain visible. this.controlsTimeout is a full
// 5s, which feels too long after the transition.
if (video.currentTime !== 0) {
this.delayHideControls(this.Utils.HIDE_CONTROLS_TIMEOUT_MS);
}
}
};
this.TouchUtils.init(this);
]]>
</constructor>
<destructor>
<![CDATA[
// XBL destructors don't appear to be inherited properly, so we need
// to do this here in addition to the videoControls destructor. :-(
delete this.randomID;
]]>
</destructor>
</implementation>
<handlers>
<handler event="mouseup">
if(event.originalTarget.nodeName == "vbox") {
if (this.TouchUtils.firstShow)
this.Utils.video.play();
this.TouchUtils.toggleControls();
}
</handler>
</handlers>
</binding>
</bindings>