зеркало из https://github.com/mozilla/pjs.git
1120 строки
50 KiB
XML
1120 строки
50 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE bindings [
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<!ENTITY % videocontrolsDTD SYSTEM "chrome://global/locale/videocontrols.dtd">
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%videocontrolsDTD;
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]>
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<bindings id="videoControlBindings"
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xmlns="http://www.mozilla.org/xbl"
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xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns:xbl="http://www.mozilla.org/xbl"
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xmlns:svg="http://www.w3.org/2000/svg">
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<binding id="timeThumb"
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extends="chrome://global/content/bindings/scale.xml#scalethumb">
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<xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<xbl:children/>
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<hbox class="timeThumb" xbl:inherits="showhours">
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<label class="timeLabel"/>
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</hbox>
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</xbl:content>
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<implementation>
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<field name="timeLabel">null</field>
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<constructor>
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<![CDATA[
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this.timeLabel = document.getAnonymousElementByAttribute(this, "class", "timeLabel");
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this.timeLabel.setAttribute("value", "0:00");
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]]>
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</constructor>
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<property name="showHours">
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<getter>
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<![CDATA[
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return this.getAttribute("showhours") == "true";
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]]>
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</getter>
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<setter>
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<![CDATA[
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this.setAttribute("showhours", val);
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// If the duration becomes known while we're still showing the value
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// for time=0, immediately update the value to show or hide the hours.
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// It's less intrusive to do it now than when the user clicks play and
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// is looking right next to the thumb.
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var displayedTime = this.timeLabel.getAttribute("value");
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if (val && displayedTime == "0:00")
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this.timeLabel.setAttribute("value", "0:00:00");
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else if (!val && displayedTime == "0:00:00")
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this.timeLabel.setAttribute("value", "0:00");
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]]>
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</setter>
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</property>
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<method name="setTime">
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<parameter name="time"/>
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<body>
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<![CDATA[
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var timeString;
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var hours = Math.floor(time / 3600000);
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var mins = Math.floor(time % 3600000 / 60000);
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var secs = Math.floor(time % 60000 / 1000);
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if (secs < 10)
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secs = "0" + secs;
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if (hours || this.showHours) {
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if (mins < 10)
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mins = "0" + mins;
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timeString = hours + ":" + mins + ":" + secs;
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} else {
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timeString = mins + ":" + secs;
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}
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this.timeLabel.setAttribute("value", timeString);
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]]>
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</body>
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</method>
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</implementation>
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</binding>
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<binding id="suppressChangeEvent"
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extends="chrome://global/content/bindings/scale.xml#scale">
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<implementation implements="nsIXBLAccessible">
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<!-- nsIXBLAccessible -->
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<property name="accessibleName" readonly="true">
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<getter>
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if (this.type != "scrubber")
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return "";
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var currTime = this.thumb.timeLabel.getAttribute("value");
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var totalTime = this.durationValue;
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return this.scrubberNameFormat.replace(/#1/, currTime).
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replace(/#2/, totalTime);
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</getter>
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</property>
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<!-- Public -->
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<field name="scrubberNameFormat">"&scrubberScale.nameFormat;"</field>
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<field name="durationValue">""</field>
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<field name="thumb">null</field>
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<field name="valueBar">null</field>
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<field name="isDragging">false</field>
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<field name="wasPausedBeforeDrag">true</field>
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<field name="type">null</field>
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<field name="Utils">null</field>
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<constructor>
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<![CDATA[
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this.thumb = document.getAnonymousElementByAttribute(this, "class", "scale-thumb");
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this.type = this.getAttribute("class");
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this.Utils = document.getBindingParent(this.parentNode).Utils;
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if (this.type == "scrubber")
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this.valueBar = this.Utils.progressBar;
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]]>
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</constructor>
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<method name="valueChanged">
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<parameter name="which"/>
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<parameter name="newValue"/>
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<parameter name="userChanged"/>
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<body>
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<![CDATA[
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// This method is a copy of the base binding's valueChanged(), except that it does
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// not dispatch a |change| event (to avoid exposing the event to web content), and
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// just calls the videocontrol's seekToPosition() method directly.
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switch (which) {
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case "curpos":
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if (this.type == "scrubber") {
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// Update the time shown in the thumb.
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this.thumb.setTime(newValue);
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// Update the value bar to match the thumb position.
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var percent = newValue / this.max;
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this.valueBar.value = Math.round(percent * 10000); // has max=10000
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}
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// The value of userChanged is true when changing the position with the mouse,
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// but not when pressing an arrow key. However, the base binding sets
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// ._userChanged in its keypress handlers, so we just need to check both.
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if (!userChanged && !this._userChanged)
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return;
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this.setAttribute("value", newValue);
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if (this.type == "scrubber")
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this.Utils.seekToPosition(newValue);
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else if (this.type == "volumeControl")
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this.Utils.setVolume(newValue / 100);
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break;
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case "minpos":
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this.setAttribute("min", newValue);
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break;
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case "maxpos":
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if (this.type == "scrubber") {
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// Update the value bar to match the thumb position.
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var percent = this.value / newValue;
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this.valueBar.value = Math.round(percent * 10000); // has max=10000
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}
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this.setAttribute("max", newValue);
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break;
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}
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]]>
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</body>
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</method>
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<method name="dragStateChanged">
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<parameter name="isDragging"/>
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<body>
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<![CDATA[
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if (this.type == "scrubber") {
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this.Utils.log("--- dragStateChanged: " + isDragging + " ---");
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this.isDragging = isDragging;
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if (isDragging) {
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this.wasPausedBeforeDrag = this.Utils.video.paused;
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this.Utils.video.pause();
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} else if (!this.wasPausedBeforeDrag) {
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// After the drag ends, resume playing.
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this.Utils.video.play();
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}
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}
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]]>
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</body>
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</method>
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</implementation>
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</binding>
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<binding id="videoControls">
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<resources>
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<stylesheet src="chrome://global/content/bindings/videocontrols.css"/>
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<stylesheet src="chrome://global/skin/media/videocontrols.css"/>
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</resources>
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<xbl:content xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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class="mediaControlsFrame">
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<stack flex="1">
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<vbox flex="1" class="statusOverlay" hidden="true">
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<box class="statusIcon"/>
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</vbox>
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<vbox class="controlsOverlay">
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<spacer class="controlsSpacer" flex="1"/>
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<hbox class="controlBar" hidden="true">
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<button class="playButton"
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playlabel="&playButton.playLabel;"
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pauselabel="&playButton.pauseLabel;"/>
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<stack class="scrubberStack" flex="1">
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<box class="backgroundBar"/>
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<progressmeter class="bufferBar"/>
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<progressmeter class="progressBar" max="10000"/>
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<scale class="scrubber" movetoclick="true"/>
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</stack>
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<vbox class="durationBox">
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<label class="positionLabel" role="presentation"/>
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<label class="durationLabel" role="presentation"/>
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</vbox>
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<button class="muteButton"
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mutelabel="&muteButton.muteLabel;"
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unmutelabel="&muteButton.unmuteLabel;"/>
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<stack class="volumeStack" hidden="true" fadeout="true">
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<box class="volumeBackgroundBar"/>
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<scale class="volumeControl" orient="vertical" dir="reverse" movetoclick="true"/>
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</stack>
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</hbox>
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</vbox>
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</stack>
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</xbl:content>
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<implementation implements="nsISecurityCheckedComponent">
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<!-- nsISecurityCheckedComponent -->
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<method name="canCreateWrapper">
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<parameter name="aIID"/>
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<body>
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return "AllAccess";
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</body>
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</method>
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<method name="canCallMethod">
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<parameter name="aIID"/>
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<parameter name="aMethodName"/>
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<body>
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return "AllAccess";
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</body>
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</method>
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<method name="canGetProperty">
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<parameter name="aIID"/>
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<parameter name="aPropertyName"/>
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<body>
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return "AllAccess";
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</body>
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</method>
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<method name="canSetProperty">
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<parameter name="aIID"/>
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<parameter name="aPropertyName"/>
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<body>
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return "AllAccess";
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</body>
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</method>
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<method name="QueryInterface">
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<parameter name="aIID"/>
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<body>
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<![CDATA[
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if (!iid.equals(Components.interfaces.nsISecurityCheckedComponent))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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]]>
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</body>
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</method>
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<constructor>
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<![CDATA[
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this.Utils.init(this);
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]]>
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</constructor>
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<field name="randomID">0</field>
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<field name="Utils">
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<![CDATA[ ({
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debug : false,
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video : null,
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videocontrols : null,
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controlBar : null,
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playButton : null,
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muteButton : null,
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volumeStack : null,
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volumeControl : null,
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durationLabel : null,
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positionLabel : null,
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scrubberThumb : null,
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scrubber : null,
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progressBar : null,
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bufferBar : null,
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statusOverlay : null,
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randomID : 0,
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videoEvents : ["play", "pause", "ended", "volumechange", "loadeddata",
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"loadstart", "timeupdate", "progress",
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"playing", "waiting", "canplay", "canplaythrough",
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"seeking", "seeked", "emptied", "loadedmetadata",
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"error", "suspend"],
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firstFrameShown : false,
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timeUpdateCount : 0,
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maxCurrentTimeSeen : 0,
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lastDurationSeen : NaN,
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isAudioOnly : false,
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setupStatusFader : function(immediate) {
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var show = false;
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if (this.video.seeking ||
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this.video.error ||
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this.video.networkState == this.video.NETWORK_NO_SOURCE ||
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(this.video.networkState == this.video.NETWORK_LOADING &&
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(this.video.paused || this.video.ended
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? this.video.readyState < this.video.HAVE_CURRENT_DATA
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: this.video.readyState < this.video.HAVE_FUTURE_DATA)) ||
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(this.timeUpdateCount <= 1 && !this.video.ended &&
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this.video.readyState < this.video.HAVE_ENOUGH_DATA &&
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this.video.networkState == this.video.NETWORK_LOADING))
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show = true;
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this.log("Status overlay: seeking=" + this.video.seeking +
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" error=" + this.video.error + " readyState=" + this.video.readyState +
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" paused=" + this.video.paused + " ended=" + this.video.ended +
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" networkState=" + this.video.networkState +
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" timeUpdateCount=" + this.timeUpdateCount +
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" --> " + (show ? "SHOW" : "HIDE"));
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this.startFade(this.statusOverlay, show, immediate);
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},
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/*
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* Set the initial state of the controls. The binding is normally created along
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* with video element, but could be attached at any point (eg, if the video is
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* removed from the document and then reinserted). Thus, some one-time events may
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* have already fired, and so we'll need to explicitly check the initial state.
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*/
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setupInitialState : function() {
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this.randomID = Math.random();
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this.videocontrols.randomID = this.randomID;
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this.setPlayButtonState(this.video.paused);
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this.setMuteButtonState(this.video.muted);
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var volume = this.video.muted ? 0 : Math.round(this.video.volume * 100);
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this.volumeControl.value = volume;
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var duration = Math.round(this.video.duration * 1000); // in ms
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var currentTime = Math.round(this.video.currentTime * 1000); // in ms
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this.log("Initial playback position is at " + currentTime + " of " + duration);
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// It would be nice to retain maxCurrentTimeSeen, but it would be difficult
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// to determine if the media source changed while we were detached.
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this.maxCurrentTimeSeen = currentTime;
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this.showPosition(currentTime, duration);
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// If we have metadata, check if this is a <video> without video data.
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if (this.video.readyState >= this.video.HAVE_METADATA) {
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if (this.video instanceof HTMLVideoElement &&
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(this.video.videoWidth == 0 || this.videoHeight == 0))
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this.isAudioOnly = true;
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}
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// If the first frame hasn't loaded, kick off a throbber fade-in.
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if (this.video.readyState >= this.video.HAVE_CURRENT_DATA)
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this.firstFrameShown = true;
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// We can't determine the exact buffering status, but do know if it's
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// fully loaded. (If it's still loading, it will fire a progress event
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// and we'll figure out the exact state then.)
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this.bufferBar.setAttribute("max", 100);
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if (this.video.readyState >= this.video.HAVE_METADATA)
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this.showBuffered();
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else
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this.bufferBar.setAttribute("value", 0);
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// Set the current status icon.
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if (this.video.error || this.video.networkState == this.video.NETWORK_NO_SOURCE) {
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this.statusIcon.setAttribute("type", "error");
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this.setupStatusFader(true);
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} else {
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this.statusIcon.setAttribute("type", "throbber");
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this.setupStatusFader();
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}
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},
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get dynamicControls() {
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// Don't fade controls for <audio> elements.
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var enabled = !this.isAudioOnly;
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// Allow tests to explicitly suppress the fading of controls.
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if (this.video.hasAttribute("mozNoDynamicControls"))
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enabled = false;
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// If the video hits an error, suppress controls if it
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// hasn't managed to do anything else yet.
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if (!this.firstFrameShown && (this.video.error || this.video.networkState == this.video.NETWORK_NO_SOURCE))
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enabled = false;
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return enabled;
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},
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handleEvent : function (aEvent) {
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this.log("Got media event ----> " + aEvent.type);
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// If the binding is detached (or has been replaced by a
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// newer instance of the binding), nuke our event-listeners.
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if (this.videocontrols.randomID != this.randomID) {
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this.terminateEventListeners();
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return;
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}
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switch (aEvent.type) {
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case "play":
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this.setPlayButtonState(false);
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this.setupStatusFader();
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break;
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case "pause":
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// Little white lie: if we've internally paused the video
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// while dragging the scrubber, don't change the button state.
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if (!this.scrubber.isDragging)
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this.setPlayButtonState(true);
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this.setupStatusFader();
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break;
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case "ended":
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this.setPlayButtonState(true);
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// We throttle timechange events, so the thumb might not be
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// exactly at the end when the video finishes.
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this.showPosition(Math.round(this.video.currentTime * 1000),
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Math.round(this.video.duration * 1000));
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this.setupStatusFader();
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break;
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case "volumechange":
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var volume = this.video.muted ? 0 : Math.round(this.video.volume * 100);
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this.setMuteButtonState(this.video.muted);
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this.volumeControl.value = volume;
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break;
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case "loadedmetadata":
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// If a <video> doesn't have any video data, treat it as <audio>
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// and show the controls (they won't fade back out)
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if (this.video instanceof HTMLVideoElement &&
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(this.video.videoWidth == 0 || this.video.videoHeight == 0)) {
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this.isAudioOnly = true;
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this.startFadeIn(this.controlBar);
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}
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this.showDuration(Math.round(this.video.duration * 1000));
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break;
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case "loadeddata":
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this.firstFrameShown = true;
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this.setupStatusFader();
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break;
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case "loadstart":
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this.maxCurrentTimeSeen = 0;
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this.statusIcon.setAttribute("type", "throbber");
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this.isAudioOnly = (this.video instanceof HTMLAudioElement);
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this.setPlayButtonState(true);
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break;
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case "progress":
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this.showBuffered();
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this.setupStatusFader();
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break;
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case "suspend":
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this.setupStatusFader();
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break;
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case "timeupdate":
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var currentTime = Math.round(this.video.currentTime * 1000); // in ms
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var duration = Math.round(this.video.duration * 1000); // in ms
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// If playing/seeking after the video ended, we won't get a "play"
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// event, so update the button state here.
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if (!this.video.paused)
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this.setPlayButtonState(false);
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this.timeUpdateCount++;
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// Whether we show the statusOverlay sometimes depends
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// on whether we've seen more than one timeupdate
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// event (if we haven't, there hasn't been any
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// "playback activity" and we may wish to show the
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// statusOverlay while we wait for HAVE_ENOUGH_DATA).
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// If we've seen more than 2 timeupdate events,
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// the count is no longer relevant to setupStatusFader.
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if (this.timeUpdateCount <= 2)
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this.setupStatusFader();
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// If the user is dragging the scrubber ignore the delayed seek
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// responses (don't yank the thumb away from the user)
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if (this.scrubber.isDragging)
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return;
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this.showPosition(currentTime, duration);
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break;
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case "emptied":
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this.bufferBar.value = 0;
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break;
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case "seeking":
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this.showBuffered();
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this.statusIcon.setAttribute("type", "throbber");
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this.setupStatusFader();
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break;
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case "waiting":
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this.statusIcon.setAttribute("type", "throbber");
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this.setupStatusFader();
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break;
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case "seeked":
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case "playing":
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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.video.error || this.video.networkState == this.video.NETWORK_NO_SOURCE) {
|
|
this.statusIcon.setAttribute("type", "error");
|
|
this.setupStatusFader(true);
|
|
// If video hasn't shown anything yet, disable the controls.
|
|
if (!this.firstFrameShown)
|
|
this.startFadeOut(this.controlBar);
|
|
}
|
|
break;
|
|
default:
|
|
this.log("!!! event " + aEvent.type + " not handled!");
|
|
}
|
|
},
|
|
|
|
terminateEventListeners : function () {
|
|
for each (var event in this.videoEvents)
|
|
this.video.removeEventListener(event, this, false);
|
|
this.log("--- videocontrols terminated ---");
|
|
},
|
|
|
|
formatTime : function(aTime) {
|
|
// Format the duration as "h:mm:ss" or "m:ss"
|
|
let hours = Math.floor(aTime / 3600000);
|
|
let mins = Math.floor(aTime % 3600000 / 60000);
|
|
let secs = Math.floor(aTime % 60000 / 1000);
|
|
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) {
|
|
if (isNaN(duration))
|
|
duration = this.maxCurrentTimeSeen;
|
|
if (duration == this.lastDurationSeen)
|
|
return;
|
|
this.lastDurationSeen = duration;
|
|
this.log("Duration is " + duration + "ms");
|
|
|
|
// Format the duration as "h:mm:ss" or "m:ss"
|
|
let timeString = 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;
|
|
if (isNaN(duration))
|
|
duration = this.maxCurrentTimeSeen;
|
|
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) {
|
|
// 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);
|
|
},
|
|
|
|
onMouseInOut : function (event) {
|
|
// If the controls are static, don't change anything.
|
|
if (!this.dynamicControls)
|
|
return;
|
|
|
|
// 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");
|
|
|
|
// 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;
|
|
|
|
this.startFade(this.controlBar, isMouseOver);
|
|
},
|
|
|
|
startFadeIn : function (element, immediate) {
|
|
this.startFade(element, true, immediate);
|
|
},
|
|
|
|
startFadeOut : function (element, immediate) {
|
|
this.startFade(element, false, immediate);
|
|
},
|
|
|
|
startFade : function (element, fadeIn, immediate) {
|
|
// 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.className == "controlBar" && fadeIn && element.hidden)
|
|
this.scrubber.valueChanged("curpos", this.video.currentTime * 1000, false);
|
|
|
|
if (immediate)
|
|
element.setAttribute("immediate", true);
|
|
else
|
|
element.removeAttribute("immediate");
|
|
|
|
if (fadeIn) {
|
|
element.setAttribute("hidden", false);
|
|
// force style resolution, so that transition begins
|
|
// when we remove the attribute.
|
|
element.clientTop;
|
|
element.removeAttribute("fadeout");
|
|
} else {
|
|
element.setAttribute("fadeout", 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.setAttribute("hidden", true);
|
|
},
|
|
|
|
togglePause : function () {
|
|
if (this.video.paused || this.video.ended)
|
|
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.
|
|
},
|
|
|
|
toggleMute : function () {
|
|
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.
|
|
},
|
|
|
|
setPlayButtonState : function(aPaused) {
|
|
this.playButton.setAttribute("paused", aPaused);
|
|
|
|
var attrName = aPaused ? "playlabel" : "pauselabel";
|
|
var value = this.playButton.getAttribute(attrName);
|
|
this.playButton.setAttribute("aria-label", value);
|
|
},
|
|
|
|
setMuteButtonState : function(aMuted) {
|
|
this.muteButton.setAttribute("muted", aMuted);
|
|
|
|
var attrName = aMuted ? "unmutelabel" : "mutelabel";
|
|
var value = this.muteButton.getAttribute(attrName);
|
|
this.muteButton.setAttribute("aria-label", value);
|
|
},
|
|
|
|
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 */
|
|
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");
|
|
},
|
|
|
|
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.setupInitialState();
|
|
|
|
// 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.video.autoplay && this.video.mozAutoplayEnabled) || !this.dynamicControls);
|
|
this.startFade(this.controlBar, shouldShow, true);
|
|
|
|
// 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 (var event in this.videoEvents)
|
|
this.video.addEventListener(event, this, (event == "error") ? true : false);
|
|
|
|
var self = this;
|
|
this.muteButton.addEventListener("command", function() { self.toggleMute(); }, false);
|
|
this.playButton.addEventListener("command", function() { self.togglePause(); }, false);
|
|
this.muteButton.addEventListener("mouseover", function(e) { self.onVolumeMouseInOut(e); }, false);
|
|
this.muteButton.addEventListener("mouseout", function(e) { self.onVolumeMouseInOut(e); }, false);
|
|
this.volumeStack.addEventListener("mouseover", function(e) { self.onVolumeMouseInOut(e); }, false);
|
|
this.volumeStack.addEventListener("mouseout", function(e) { self.onVolumeMouseInOut(e); }, false);
|
|
|
|
this.videocontrols.addEventListener("transitionend", function(e) { self.onTransitionEnd(e); }, false);
|
|
|
|
// Make the <video> element keyboard accessible.
|
|
this.video.setAttribute("tabindex", 0);
|
|
this.video.addEventListener("keypress", function (e) { self.keyHandler(e) }, false);
|
|
|
|
this.log("--- videocontrols initialized ---");
|
|
}
|
|
}) ]]>
|
|
</field>
|
|
|
|
|
|
</implementation>
|
|
|
|
<handlers>
|
|
<handler event="mouseover">
|
|
this.Utils.onMouseInOut(event);
|
|
</handler>
|
|
<handler event="mouseout">
|
|
this.Utils.onMouseInOut(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"/>
|
|
</vbox>
|
|
|
|
<vbox class="controlsOverlay">
|
|
<spacer class="controlsSpacer" flex="1"/>
|
|
<vbox class="controlBar" hidden="true">
|
|
<hbox class="buttonsBar">
|
|
<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>
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<implementation>
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<constructor>
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this.TouchUtils.init(this);
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</constructor>
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<field name="TouchUtils">
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<![CDATA[ ({
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videocontrols: null,
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controlsTimer : null,
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controlsTimeout : 5000,
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positionLabel: null,
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get Utils() {
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return this.videocontrols.Utils;
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},
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get visible() {
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return !this.Utils.controlBar.hasAttribute("fadeout") || !this.Utils.controlBar.hasAttribute("hidden");
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},
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_firstShow: false,
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get firstShow() { return this._firstShow; },
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set firstShow(val) {
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this._firstShow = val;
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this.Utils.controlBar.setAttribute("firstshow", val);
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},
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toggleControls: function() {
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if (!this.Utils.dynamicControls || !this.visible)
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this.showControls();
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else
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this.delayHideControls(0);
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},
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showControls : function() {
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let event = document.createEvent("MouseEvents");
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event.initEvent("mouseover", true, true);
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this.Utils.videocontrols.dispatchEvent(event);
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this.delayHideControls(this.controlsTimeout);
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},
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delayHideControls : function(aTimeout) {
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if (this.controlsTimer) {
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clearTimeout(this.controlsTimer);
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this.controlsTimer = null;
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}
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let self = this;
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this.controlsTimer = setTimeout(function() {
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self.hideControls();
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}, aTimeout);
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},
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hideControls : function() {
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let event = document.createEvent("MouseEvents");
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event.initEvent("mouseout", true, true);
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this.Utils.videocontrols.dispatchEvent(event);
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if (this.firstShow)
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this.videocontrols.addEventListener("transitionend", this, false);
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},
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handleEvent : function (aEvent) {
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if (aEvent.type == "transitionend") {
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this.firstShow = false;
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this.videocontrols.removeEventListener("transitionend", this, false);
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return;
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}
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if (this.videocontrols.randomID != this.Utils.randomID)
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this.terminateEventListeners();
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},
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terminateEventListeners : function () {
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for each (var event in this.videoEvents)
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this.Utils.video.removeEventListener(event, this, false);
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},
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init : function (binding) {
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this.videocontrols = binding;
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var video = binding.parentNode;
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let self = this;
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this.Utils.playButton.addEventListener("command", function() {
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if (!self.Utils.video.paused)
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self.delayHideControls(0);
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else
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self.showControls();
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}, false);
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this.Utils.scrubber.addEventListener("click", function() { self.delayHideControls(self.controlsTimeout); }, false);
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this.Utils.muteButton.addEventListener("click", function() { self.delayHideControls(self.controlsTimeout); }, false);
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if (!video.autoplay && this.Utils.dynamicControls)
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this.firstShow = true;
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}
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}) ]]>
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</field>
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</implementation>
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<handlers>
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<handler event="mouseup">
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if(event.originalTarget.nodeName == "vbox") {
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if (this.TouchUtils.firstShow)
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this.Utils.video.play();
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this.TouchUtils.toggleControls();
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}
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</handler>
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</handlers>
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</binding>
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</bindings>
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