зеркало из https://github.com/mozilla/gecko-dev.git
2258 строки
81 KiB
XML
2258 строки
81 KiB
XML
<?xml version="1.0"?>
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<!-- This Source Code Form is subject to the terms of the Mozilla Public
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- License, v. 2.0. If a copy of the MPL was not distributed with this
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- file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
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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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xmlns:html="http://www.w3.org/1999/xhtml">
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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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var currTime = this.positionValue;
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var totalTime = this.durationValue;
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return this.scrubberNameFormat
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.replace(/#1/, currTime)
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.replace(/#2/, totalTime);
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</getter>
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</property>
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<constructor>
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<![CDATA[
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/* eslint-disable no-multi-spaces */
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this.scrubberNameFormat = ]]>"&scrubberScale.nameFormat;"<![CDATA[;
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/* eslint-enable no-multi-spaces */
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this.positionValue = "";
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this.durationValue = "";
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this.valueBar = null;
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this.isDragging = false;
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this.isPausedByDragging = false;
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this.type = this.getAttribute("class");
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this.Utils = document.getBindingParent(this.parentNode).Utils;
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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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// Update the time shown in the thumb.
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this.positionValue = this.Utils.formatTime(newValue, this.Utils.showHours);
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this.Utils.positionLabel.setAttribute("value", this.positionValue);
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// Update the value bar to match the thumb position.
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let percent = newValue / this.max;
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if (!isNaN(percent) && percent != Infinity) {
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this.valueBar.value = Math.round(percent * 10000); // has max=10000
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} else {
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this.valueBar.removeAttribute("value");
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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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}
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this.setAttribute("value", newValue);
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this.Utils.seekToPosition(newValue);
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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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// Update the value bar to match the thumb position.
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this.valueBar.value = Math.round(this.value / newValue * 10000); // has max=10000
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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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this.Utils.log("--- dragStateChanged: " + isDragging + " ---");
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this.isDragging = isDragging;
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if (this.isPausedByDragging && !isDragging) {
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// After the drag ends, resume playing.
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this.Utils.video.play();
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this.isPausedByDragging = false;
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}
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]]>
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</body>
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</method>
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<method name="pauseVideoDuringDragging">
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<body>
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<![CDATA[
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if (this.isDragging &&
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!this.Utils.video.paused && !this.isPausedByDragging) {
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this.isPausedByDragging = true;
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this.Utils.video.pause();
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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:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns="http://www.w3.org/1999/xhtml" class="mediaControlsFrame">
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<div anonid="controlsContainer" class="controlsContainer" role="none">
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<div anonid="statusOverlay" class="statusOverlay stackItem" hidden="true">
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<div anonid="statusIcon" class="statusIcon"></div>
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<span class="errorLabel" anonid="errorAborted">&error.aborted;</span>
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<span class="errorLabel" anonid="errorNetwork">&error.network;</span>
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<span class="errorLabel" anonid="errorDecode">&error.decode;</span>
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<span class="errorLabel" anonid="errorSrcNotSupported">&error.srcNotSupported;</span>
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<span class="errorLabel" anonid="errorNoSource">&error.noSource2;</span>
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<span class="errorLabel" anonid="errorGeneric">&error.generic;</span>
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</div>
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<div anonid="controlsOverlay" class="controlsOverlay stackItem">
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<div class="controlsSpacerStack" aria-hideen="true">
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<div anonid="controlsSpacer" class="controlsSpacer stackItem" role="none"></div>
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<div anonid="clickToPlay" class="clickToPlay" hidden="true"></div>
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</div>
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<div anonid="controlBar" class="controlBar" hidden="true">
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<button anonid="playButton"
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class="playButton"
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playlabel="&playButton.playLabel;"
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pauselabel="&playButton.pauseLabel;"
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tabindex="-1"/>
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<div anonid="scrubberStack" class="scrubberStack progressContainer" role="none">
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<div class="progressBackgroundBar stackItem" role="none">
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<div class="progressStack" role="none">
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<progress anonid="bufferBar" class="bufferBar" value="0" max="100" tabindex="-1"></progress>
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<progress anonid="progressBar" class="progressBar" value="0" max="100" tabindex="-1"></progress>
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</div>
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</div>
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<input type="range" anonid="scrubber" class="scrubber" tabindex="-1" mozinputrangeignorepreventdefault="true" />
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</div>
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<span anonid="positionLabel" class="positionLabel" role="presentation"></span>
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<span anonid="durationLabel" class="durationLabel" role="presentation"></span>
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<span anonid="positionDurationBox" class="positionDurationBox" aria-hidden="true">
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&positionAndDuration.nameFormat;
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</span>
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<div anonid="controlBarSpacer" class="controlBarSpacer" hidden="true" role="none"></div>
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<button anonid="muteButton"
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class="muteButton"
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mutelabel="&muteButton.muteLabel;"
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unmutelabel="&muteButton.unmuteLabel;"
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tabindex="-1"/>
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<div anonid="volumeStack" class="volumeStack progressContainer" role="none">
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<input type="range" anonid="volumeControl" class="volumeControl" min="0" max="100" step="1" tabindex="-1" mozinputrangeignorepreventdefault="true" />
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</div>
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<button anonid="closedCaptionButton" class="closedCaptionButton"/>
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<button anonid="fullscreenButton"
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class="fullscreenButton"
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enterfullscreenlabel="&fullscreenButton.enterfullscreenlabel;"
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exitfullscreenlabel="&fullscreenButton.exitfullscreenlabel;"/>
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</div>
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<div anonid="textTrackList" class="textTrackList" hidden="true" offlabel="&closedCaption.off;"></div>
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</div>
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</div>
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</xbl:content>
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<implementation>
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<constructor>
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<![CDATA[
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this.isTouchControls = false;
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this.randomID = 0;
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this.Utils = {
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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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volumeControl: null,
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durationLabel: null,
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positionLabel: 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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controlsSpacer: null,
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clickToPlay: null,
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controlsOverlay: null,
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fullscreenButton: null,
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layoutControls: null,
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currentTextTrackIndex: 0,
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textTracksCount: 0,
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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", "stalled",
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"mozvideoonlyseekbegin", "mozvideoonlyseekcompleted"],
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showHours: false,
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firstFrameShown: false,
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timeUpdateCount: 0,
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maxCurrentTimeSeen: 0,
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isPausedByDragging: false,
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_isAudioOnly: false,
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get isAudioOnly() { return this._isAudioOnly; },
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set isAudioOnly(val) {
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this._isAudioOnly = val;
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this.setFullscreenButtonState();
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if (!this.isTopLevelSyntheticDocument) {
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return;
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}
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if (this._isAudioOnly) {
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this.video.style.height = this.controlBarMinHeight + "px";
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this.video.style.width = "66%";
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} else {
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this.video.style.removeProperty("height");
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this.video.style.removeProperty("width");
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}
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},
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get isControlBarHidden() {
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return this.controlBar.hidden ||
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this.controlBar.hideByAdjustment ||
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this.controlBar.getAttribute("fadeout") === "true";
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},
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suppressError: false,
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setupStatusFader(immediate) {
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// Since the play button will be showing, we don't want to
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// show the throbber behind it. The throbber here will
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// only show if needed after the play button has been pressed.
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if (!this.clickToPlay.hidden) {
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this.startFadeOut(this.statusOverlay, true);
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return;
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}
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var show = false;
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if (this.video.seeking ||
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(this.video.error && !this.suppressError) ||
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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_FUTURE_DATA &&
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this.video.networkState == this.video.NETWORK_LOADING)) {
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show = true;
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}
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// Explicitly hide the status fader if this
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// is audio only until bug 619421 is fixed.
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if (this.isAudioOnly) {
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show = false;
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}
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if (this._showThrobberTimer) {
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show = true;
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}
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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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" _showThrobberTimer=" + this._showThrobberTimer +
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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() {
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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.setFullscreenButtonState();
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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.initPositionDurationBox();
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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
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// video data, or a video with no audio track.
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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.video.videoHeight == 0)) {
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this.isAudioOnly = true;
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}
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// We have to check again if the media has audio here,
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// because of bug 718107: switching to fullscreen may
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// cause the bindings to detach and reattach, hence
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// unsetting the attribute.
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if (!this.isAudioOnly && !this.video.mozHasAudio) {
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this.muteButton.setAttribute("noAudio", "true");
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this.muteButton.setAttribute("disabled", "true");
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}
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}
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if (this.isAudioOnly) {
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this.clickToPlay.hidden = 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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}
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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.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.value = 0;
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}
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// Set the current status icon.
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if (this.hasError()) {
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this.clickToPlay.hidden = true;
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this.statusIcon.setAttribute("type", "error");
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this.updateErrorText();
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this.setupStatusFader(true);
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}
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let adjustableControls = [
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...this.prioritizedControls,
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this.controlBar,
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this.clickToPlay
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];
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for (let control of adjustableControls) {
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if (!control) {
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break;
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}
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Object.defineProperties(control, {
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// We should directly access CSSOM to get pre-defined style instead of
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// retrieving computed dimensions from layout.
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minWidth: {
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get: () => {
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let controlAnonId = control.getAttribute("anonid");
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let propertyName = `--${controlAnonId}-width`;
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if (control.modifier) {
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propertyName += "-" + control.modifier;
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}
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let preDefinedSize = this.controlBarComputedStyles.getPropertyValue(propertyName);
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return parseInt(preDefinedSize, 10);
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}
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},
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isAdjustableControl: {
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value: true
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},
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modifier: {
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value: "",
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writable: true
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},
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isWanted: {
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value: true,
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writable: true
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},
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hideByAdjustment: {
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set: (v) => {
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if (v) {
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control.setAttribute("hidden", "true");
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} else {
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control.removeAttribute("hidden");
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}
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control._isHiddenByAdjustment = v;
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},
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get: () => control._isHiddenByAdjustment
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},
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_isHiddenByAdjustment: {
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value: false,
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writable: true
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}
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});
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}
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this.adjustControlSize();
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// Can only update the volume controls once we've computed
|
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// _volumeControlWidth, since the volume slider implementation
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// depends on it.
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this.updateVolumeControls();
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},
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setupNewLoadState() {
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// videocontrols.css hides the control bar by default, because if script
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// is disabled our binding's script is disabled too (bug 449358). Thus,
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// the controls are broken and we don't want them shown. But if script is
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// enabled, the code here will run and can explicitly unhide the controls.
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//
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// For videos with |autoplay| set, we'll leave the controls initially hidden,
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// so that they don't get in the way of the playing video. Otherwise we'll
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// go ahead and reveal the controls now, so they're an obvious user cue.
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//
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// (Note: the |controls| attribute is already handled via layout/style/html.css)
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var shouldShow = !this.dynamicControls ||
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(this.video.paused &&
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!(this.video.autoplay && this.video.mozAutoplayEnabled));
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// Hide the overlay if the video time is non-zero or if an error occurred to workaround bug 718107.
|
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let shouldClickToPlayShow = shouldShow && !this.isAudioOnly &&
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this.video.currentTime == 0 && !this.hasError();
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this.startFade(this.clickToPlay, shouldClickToPlayShow, true);
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this.startFade(this.controlsSpacer, shouldClickToPlayShow, true);
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this.startFade(this.controlBar, shouldShow, true);
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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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|
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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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}
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|
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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.hasError()) {
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enabled = false;
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}
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return enabled;
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},
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|
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updateVolume() {
|
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const volume = this.volumeControl.value;
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this.setVolume(volume / 100);
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},
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updateVolumeControls() {
|
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var volume = this.video.muted ? 0 : this.video.volume;
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var volumePercentage = Math.round(volume * 100);
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this.updateMuteButtonState();
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this.volumeControl.value = volumePercentage;
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},
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|
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/*
|
|
* We suspend a video element's video decoder if the video
|
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* element is invisible. However, resuming the video decoder
|
|
* takes time and we show the throbber UI if it takes more than
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* 250 ms.
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*
|
|
* When an already-suspended video element becomes visible, we
|
|
* resume its video decoder immediately and queue a video-only seek
|
|
* task to seek the resumed video decoder to the current position;
|
|
* meanwhile, we also file a "mozvideoonlyseekbegin" event which
|
|
* we used to start the timer here.
|
|
*
|
|
* Once the queued seek operation is done, we dispatch a
|
|
* "canplay" event which indicates that the resuming operation
|
|
* is completed.
|
|
*/
|
|
SHOW_THROBBER_TIMEOUT_MS: 250,
|
|
_showThrobberTimer: null,
|
|
_delayShowThrobberWhileResumingVideoDecoder() {
|
|
this._showThrobberTimer = setTimeout(() => {
|
|
this.statusIcon.setAttribute("type", "throbber");
|
|
// Show the throbber immediately since we have waited for SHOW_THROBBER_TIMEOUT_MS.
|
|
// We don't want to wait for another transition-delay(750ms) and the
|
|
// transition-duration(300ms).
|
|
this.setupStatusFader(true);
|
|
}, this.SHOW_THROBBER_TIMEOUT_MS);
|
|
},
|
|
_cancelShowThrobberWhileResumingVideoDecoder() {
|
|
if (this._showThrobberTimer) {
|
|
clearTimeout(this._showThrobberTimer);
|
|
this._showThrobberTimer = null;
|
|
}
|
|
},
|
|
|
|
handleEvent(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.isTouchControls) {
|
|
this.startFadeOut(this.controlBar);
|
|
}
|
|
if (!this._triggeredByControls) {
|
|
this.clickToPlay.hidden = true;
|
|
this.controlsSpacer.setAttribute("fadeout", "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":
|
|
this.updateVolumeControls();
|
|
// Show the controls to highlight the changing volume,
|
|
// but only if the click-to-play overlay has already
|
|
// been hidden (we don't hide controls when the overlay is visible).
|
|
if (this.clickToPlay.hidden && !this.isAudioOnly) {
|
|
this.startFadeIn(this.controlBar);
|
|
clearTimeout(this._hideControlsTimeout);
|
|
this._hideControlsTimeout = setTimeout(this._hideControlsFn, this.HIDE_CONTROLS_TIMEOUT_MS);
|
|
}
|
|
break;
|
|
case "loadedmetadata":
|
|
// 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.showPosition(Math.round(this.video.currentTime * 1000), Math.round(this.video.duration * 1000));
|
|
if (!this.isAudioOnly && !this.video.mozHasAudio) {
|
|
this.muteButton.setAttribute("noAudio", "true");
|
|
this.muteButton.setAttribute("disabled", "true");
|
|
}
|
|
this.adjustControlSize();
|
|
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);
|
|
this.showBuffered();
|
|
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.isAudioOnly) {
|
|
this.startFadeOut(this.controlBar);
|
|
}
|
|
this.controlsSpacer.removeAttribute("hideCursor");
|
|
}
|
|
break;
|
|
case "mozvideoonlyseekbegin":
|
|
this._delayShowThrobberWhileResumingVideoDecoder();
|
|
break;
|
|
case "mozvideoonlyseekcompleted":
|
|
this._cancelShowThrobberWhileResumingVideoDecoder();
|
|
this.setupStatusFader();
|
|
break;
|
|
default:
|
|
this.log("!!! event " + aEvent.type + " not handled!");
|
|
}
|
|
},
|
|
|
|
terminateEventListeners() {
|
|
if (this.videoEvents) {
|
|
for (let event of this.videoEvents) {
|
|
try {
|
|
this.video.removeEventListener(event, this, {
|
|
capture: true,
|
|
mozSystemGroup: true
|
|
});
|
|
} catch (ex) {}
|
|
}
|
|
}
|
|
|
|
if (this.controlListeners) {
|
|
for (let element of this.controlListeners) {
|
|
try {
|
|
element.item.removeEventListener(element.event, element.func,
|
|
{ mozSystemGroup: true, capture: element.capture });
|
|
} catch (ex) {}
|
|
}
|
|
|
|
delete this.controlListeners;
|
|
}
|
|
|
|
this.log("--- videocontrols terminated ---");
|
|
},
|
|
|
|
hasError() {
|
|
// We either have an explicit error, or the resource selection
|
|
// algorithm is running and we've tried to load something and failed.
|
|
// Note: we don't consider the case where we've tried to load but
|
|
// there's no sources to load as an error condition, as sites may
|
|
// do this intentionally to work around requires-user-interaction to
|
|
// play restrictions, and we don't want to display a debug message
|
|
// if that's the case.
|
|
return this.video.error != null ||
|
|
(this.video.networkState == this.video.NETWORK_NO_SOURCE &&
|
|
this.hasSources());
|
|
},
|
|
|
|
hasSources() {
|
|
if (this.video.hasAttribute("src") &&
|
|
this.video.getAttribute("src") !== "") {
|
|
return true;
|
|
}
|
|
for (var child = this.video.firstChild;
|
|
child !== null;
|
|
child = child.nextElementSibling) {
|
|
if (child instanceof HTMLSourceElement) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
},
|
|
|
|
updateErrorText() {
|
|
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(aTime, showHours = false) {
|
|
// 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 || showHours) {
|
|
if (mins < 10) {
|
|
mins = "0" + mins;
|
|
}
|
|
timeString = hours + ":" + mins + ":" + secs;
|
|
} else {
|
|
timeString = mins + ":" + secs;
|
|
}
|
|
return timeString;
|
|
},
|
|
|
|
initPositionDurationBox() {
|
|
if (this.videocontrols.isTouchControls) {
|
|
return;
|
|
}
|
|
|
|
const positionTextNode = Array.prototype.find.call(
|
|
this.positionDurationBox.childNodes, (n) => !!~n.textContent.search("#1"));
|
|
const durationSpan = this.durationSpan;
|
|
const durationFormat = durationSpan.textContent;
|
|
const positionFormat = positionTextNode.textContent;
|
|
|
|
durationSpan.classList.add("duration");
|
|
durationSpan.setAttribute("role", "none");
|
|
durationSpan.setAttribute("anonid", "durationSpan");
|
|
|
|
Object.defineProperties(this.positionDurationBox, {
|
|
durationSpan: {
|
|
value: durationSpan
|
|
},
|
|
position: {
|
|
set: (v) => {
|
|
positionTextNode.textContent = positionFormat.replace("#1", v);
|
|
}
|
|
},
|
|
duration: {
|
|
set: (v) => {
|
|
durationSpan.textContent = v ? durationFormat.replace("#2", v) : "";
|
|
}
|
|
}
|
|
});
|
|
},
|
|
|
|
showDuration(duration) {
|
|
let isInfinite = (duration == Infinity);
|
|
this.log("Duration is " + duration + "ms.\n");
|
|
|
|
if (isNaN(duration) || isInfinite) {
|
|
duration = this.maxCurrentTimeSeen;
|
|
}
|
|
|
|
// If the duration is over an hour, thumb should show h:mm:ss instead of mm:ss
|
|
this.showHours = (duration >= 3600000);
|
|
|
|
// Format the duration as "h:mm:ss" or "m:ss"
|
|
let timeString = isInfinite ? "" : this.formatTime(duration);
|
|
if (this.videocontrols.isTouchControls) {
|
|
this.durationLabel.setAttribute("value", timeString);
|
|
} else {
|
|
this.positionDurationBox.duration = timeString;
|
|
|
|
if (this.showHours) {
|
|
this.positionDurationBox.modifier = "long";
|
|
this.durationSpan.modifier = "long";
|
|
}
|
|
}
|
|
|
|
// "durationValue" property is used by scale binding to
|
|
// generate accessible name.
|
|
this.scrubber.durationValue = timeString;
|
|
|
|
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.pageIncrement = Math.round(duration / 10);
|
|
},
|
|
|
|
pauseVideoDuringDragging() {
|
|
if (!this.video.paused &&
|
|
!this.isPausedByDragging &&
|
|
this.scrubber.isDragging) {
|
|
this.isPausedByDragging = true;
|
|
this.video.pause();
|
|
}
|
|
},
|
|
|
|
onScrubberInput(e) {
|
|
const duration = Math.round(this.video.duration * 1000); // in ms
|
|
let time = this.scrubber.value;
|
|
|
|
this.seekToPosition(time);
|
|
this.showPosition(time, duration);
|
|
|
|
this.scrubber.isDragging = true;
|
|
this.pauseVideoDuringDragging();
|
|
},
|
|
|
|
onScrubberChange(e) {
|
|
this.scrubber.isDragging = false;
|
|
|
|
if (this.isPausedByDragging) {
|
|
this.video.play();
|
|
this.isPausedByDragging = false;
|
|
}
|
|
},
|
|
|
|
updateScrubberProgress() {
|
|
if (this.videocontrols.isTouchControls) {
|
|
return;
|
|
}
|
|
|
|
const positionPercent = this.scrubber.value / this.scrubber.max * 100;
|
|
|
|
if (!isNaN(positionPercent) && positionPercent != Infinity) {
|
|
this.progressBar.value = positionPercent;
|
|
} else {
|
|
this.progressBar.value = 0;
|
|
}
|
|
},
|
|
|
|
seekToPosition(newPosition) {
|
|
newPosition /= 1000; // convert from ms
|
|
this.log("+++ seeking to " + newPosition);
|
|
this.video.currentTime = newPosition;
|
|
},
|
|
|
|
setVolume(newVolume) {
|
|
this.log("*** setting volume to " + newVolume);
|
|
this.video.volume = newVolume;
|
|
this.video.muted = false;
|
|
},
|
|
|
|
showPosition(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");
|
|
|
|
let positionTime = this.formatTime(currentTime, this.showHours);
|
|
|
|
this.scrubber.value = currentTime;
|
|
if (this.videocontrols.isTouchControls) {
|
|
this.positionLabel.setAttribute("value", positionTime);
|
|
} else {
|
|
this.positionDurationBox.position = positionTime;
|
|
this.updateScrubberProgress();
|
|
}
|
|
},
|
|
|
|
showBuffered() {
|
|
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 == Infinity) {
|
|
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;
|
|
},
|
|
|
|
_controlsHiddenByTimeout: false,
|
|
_showControlsTimeout: 0,
|
|
SHOW_CONTROLS_TIMEOUT_MS: 500,
|
|
_showControlsFn() {
|
|
if (Utils.video.matches("video:hover")) {
|
|
Utils.startFadeIn(Utils.controlBar, false);
|
|
Utils._showControlsTimeout = 0;
|
|
Utils._controlsHiddenByTimeout = false;
|
|
}
|
|
},
|
|
|
|
_hideControlsTimeout: 0,
|
|
_hideControlsFn() {
|
|
if (!Utils.scrubber.isDragging) {
|
|
Utils.startFade(Utils.controlBar, false);
|
|
Utils._hideControlsTimeout = 0;
|
|
Utils._controlsHiddenByTimeout = true;
|
|
}
|
|
},
|
|
HIDE_CONTROLS_TIMEOUT_MS: 2000,
|
|
onMouseMove(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(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 controlRect = this.controlBar.getBoundingClientRect();
|
|
var isMouseInControls = event.clientY > controlRect.top &&
|
|
event.clientY < controlRect.bottom &&
|
|
event.clientX > controlRect.left &&
|
|
event.clientX < controlRect.right;
|
|
|
|
// 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);
|
|
this.textTrackList.setAttribute("hidden", "true");
|
|
clearTimeout(this._showControlsTimeout);
|
|
Utils._controlsHiddenByTimeout = false;
|
|
}
|
|
},
|
|
|
|
startFadeIn(element, immediate) {
|
|
this.startFade(element, true, immediate);
|
|
},
|
|
|
|
startFadeOut(element, immediate) {
|
|
this.startFade(element, false, immediate);
|
|
},
|
|
|
|
startFade(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) {
|
|
if (this.videocontrols.isTouchControls) {
|
|
this.scrubber.valueChanged("curpos", this.video.currentTime * 1000, false);
|
|
} else {
|
|
this.scrubber.value = this.video.currentTime * 1000;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (immediate) {
|
|
element.setAttribute("immediate", true);
|
|
} else {
|
|
element.removeAttribute("immediate");
|
|
}
|
|
|
|
if (fadeIn) {
|
|
// hidden state should be controlled by adjustControlSize
|
|
if (!(element.isAdjustableControl && element.hideByAdjustment)) {
|
|
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(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;
|
|
}
|
|
|
|
if (this.videocontrols.isTouchControls) {
|
|
this.scrubber.dragStateChanged(false);
|
|
}
|
|
element.hidden = true;
|
|
},
|
|
|
|
_triggeredByControls: false,
|
|
|
|
startPlay() {
|
|
this._triggeredByControls = true;
|
|
this.hideClickToPlay();
|
|
this.video.play();
|
|
},
|
|
|
|
togglePause() {
|
|
if (this.video.paused || this.video.ended) {
|
|
this.startPlay();
|
|
} 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() {
|
|
return this.video.readyState >= this.video.HAVE_METADATA &&
|
|
!this.isAudioOnly &&
|
|
!this.video.mozHasAudio;
|
|
},
|
|
|
|
toggleMute() {
|
|
if (this.isVideoWithoutAudioTrack()) {
|
|
return;
|
|
}
|
|
this.video.muted = !this.isEffectivelyMuted();
|
|
if (this.video.volume === 0) {
|
|
this.video.volume = 0.5;
|
|
}
|
|
|
|
// We'll handle style changes in the event listener for
|
|
// the "volumechange" event, same as if content script was
|
|
// controlling volume.
|
|
},
|
|
|
|
isVideoInFullScreen() {
|
|
return document.mozFullScreenElement == this.video;
|
|
},
|
|
|
|
toggleFullscreen() {
|
|
this.isVideoInFullScreen() ?
|
|
document.mozCancelFullScreen() :
|
|
this.video.mozRequestFullScreen();
|
|
},
|
|
|
|
setFullscreenButtonState() {
|
|
if (this.isAudioOnly || !document.mozFullScreenEnabled) {
|
|
this.controlBar.setAttribute("fullscreen-unavailable", true);
|
|
this.adjustControlSize();
|
|
return;
|
|
}
|
|
this.controlBar.removeAttribute("fullscreen-unavailable");
|
|
this.adjustControlSize();
|
|
|
|
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() {
|
|
if (this.isVideoInFullScreen()) {
|
|
Utils._hideControlsTimeout = setTimeout(this._hideControlsFn, this.HIDE_CONTROLS_TIMEOUT_MS);
|
|
}
|
|
this.setFullscreenButtonState();
|
|
},
|
|
|
|
clickToPlayClickHandler(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;
|
|
}
|
|
if (e.defaultPrevented) {
|
|
return;
|
|
}
|
|
if (this.playButton.hasAttribute("paused")) {
|
|
this.startPlay();
|
|
} else {
|
|
this.video.pause();
|
|
}
|
|
},
|
|
hideClickToPlay() {
|
|
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;
|
|
let animationMinSize = this.clickToPlay.minWidth * animationScale;
|
|
|
|
if (animationMinSize > videoWidth ||
|
|
animationMinSize > (videoHeight - this.controlBarMinHeight)) {
|
|
this.clickToPlay.setAttribute("immediate", "true");
|
|
this.clickToPlay.hidden = true;
|
|
} else {
|
|
this.clickToPlay.removeAttribute("immediate");
|
|
}
|
|
this.clickToPlay.setAttribute("fadeout", "true");
|
|
this.controlsSpacer.setAttribute("fadeout", "true");
|
|
},
|
|
|
|
setPlayButtonState(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);
|
|
},
|
|
|
|
isEffectivelyMuted() {
|
|
return this.video.muted || !this.video.volume;
|
|
},
|
|
|
|
updateMuteButtonState() {
|
|
var muted = this.isEffectivelyMuted();
|
|
|
|
if (muted) {
|
|
this.muteButton.setAttribute("muted", "true");
|
|
} else {
|
|
this.muteButton.removeAttribute("muted");
|
|
}
|
|
|
|
var attrName = muted ? "unmutelabel" : "mutelabel";
|
|
var value = this.muteButton.getAttribute(attrName);
|
|
this.muteButton.setAttribute("aria-label", value);
|
|
},
|
|
|
|
_getComputedPropertyValueAsInt(element, property) {
|
|
let value = getComputedStyle(element, null).getPropertyValue(property);
|
|
return parseInt(value, 10);
|
|
},
|
|
|
|
keyHandler(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-";
|
|
}
|
|
if (navigator.platform.startsWith("Mac")) {
|
|
if (event.metaKey) {
|
|
keystroke += "accel-";
|
|
}
|
|
if (event.ctrlKey) {
|
|
keystroke += "control-";
|
|
}
|
|
} else {
|
|
if (event.metaKey) {
|
|
keystroke += "meta-";
|
|
}
|
|
if (event.ctrlKey) {
|
|
keystroke += "accel-";
|
|
}
|
|
}
|
|
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 */
|
|
let target = event.originalTarget;
|
|
if (target.localName === "button" && !target.disabled) {
|
|
break;
|
|
}
|
|
|
|
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
|
|
},
|
|
|
|
isSupportedTextTrack(textTrack) {
|
|
return textTrack.kind == "subtitles" ||
|
|
textTrack.kind == "captions";
|
|
},
|
|
|
|
get isClosedCaptionAvailable() {
|
|
return this.overlayableTextTracks.length && !this.videocontrols.isTouchControls;
|
|
},
|
|
|
|
get overlayableTextTracks() {
|
|
return Array.prototype.filter.call(this.video.textTracks, this.isSupportedTextTrack);
|
|
},
|
|
|
|
isClosedCaptionOn() {
|
|
for (let tt of this.overlayableTextTracks) {
|
|
if (tt.mode === "showing") {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
setClosedCaptionButtonState() {
|
|
if (this.isClosedCaptionOn()) {
|
|
this.closedCaptionButton.setAttribute("enabled", "true");
|
|
} else {
|
|
this.closedCaptionButton.removeAttribute("enabled");
|
|
}
|
|
|
|
let ttItems = this.textTrackList.childNodes;
|
|
|
|
for (let tti of ttItems) {
|
|
const idx = +tti.getAttribute("index");
|
|
|
|
if (idx == this.currentTextTrackIndex) {
|
|
tti.setAttribute("on", "true");
|
|
} else {
|
|
tti.removeAttribute("on");
|
|
}
|
|
}
|
|
|
|
this.adjustControlSize();
|
|
},
|
|
|
|
addNewTextTrack(tt) {
|
|
if (!this.isSupportedTextTrack(tt)) {
|
|
return;
|
|
}
|
|
|
|
if (tt.index && tt.index < this.textTracksCount) {
|
|
// Don't create items for initialized tracks. However, we
|
|
// still need to care about mode since TextTrackManager would
|
|
// turn on the first available track automatically.
|
|
if (tt.mode === "showing") {
|
|
this.changeTextTrack(tt.index);
|
|
}
|
|
return;
|
|
}
|
|
|
|
tt.index = this.textTracksCount++;
|
|
|
|
const label = tt.label || "";
|
|
const ttText = document.createTextNode(label);
|
|
const ttBtn = document.createElement("button");
|
|
|
|
ttBtn.classList.add("textTrackItem");
|
|
ttBtn.setAttribute("index", tt.index);
|
|
|
|
ttBtn.addEventListener("click", event => {
|
|
event.stopPropagation();
|
|
|
|
this.changeTextTrack(tt.index);
|
|
});
|
|
|
|
ttBtn.appendChild(ttText);
|
|
|
|
this.textTrackList.appendChild(ttBtn);
|
|
|
|
if (tt.mode === "showing" && tt.index) {
|
|
this.changeTextTrack(tt.index);
|
|
}
|
|
},
|
|
|
|
changeTextTrack(index) {
|
|
for (let tt of this.overlayableTextTracks) {
|
|
if (tt.index === index) {
|
|
tt.mode = "showing";
|
|
|
|
this.currentTextTrackIndex = tt.index;
|
|
} else {
|
|
tt.mode = "disabled";
|
|
}
|
|
}
|
|
|
|
// should fallback to off
|
|
if (this.currentTextTrackIndex !== index) {
|
|
this.currentTextTrackIndex = 0;
|
|
}
|
|
|
|
this.textTrackList.setAttribute("hidden", "true");
|
|
this.setClosedCaptionButtonState();
|
|
},
|
|
|
|
onControlBarTransitioned() {
|
|
this.textTrackList.setAttribute("hidden", "true");
|
|
this.video.dispatchEvent(new CustomEvent("controlbarchange"));
|
|
this.adjustControlSize();
|
|
},
|
|
|
|
toggleClosedCaption() {
|
|
if (this.textTrackList.hasAttribute("hidden")) {
|
|
this.textTrackList.removeAttribute("hidden");
|
|
} else {
|
|
this.textTrackList.setAttribute("hidden", "true");
|
|
}
|
|
},
|
|
|
|
onTextTrackAdd(trackEvent) {
|
|
this.addNewTextTrack(trackEvent.track);
|
|
this.setClosedCaptionButtonState();
|
|
},
|
|
|
|
onTextTrackRemove(trackEvent) {
|
|
const toRemoveIndex = trackEvent.track.index;
|
|
const ttItems = this.textTrackList.childNodes;
|
|
|
|
if (!ttItems) {
|
|
return;
|
|
}
|
|
|
|
for (let tti of ttItems) {
|
|
const idx = +tti.getAttribute("index");
|
|
|
|
if (idx === toRemoveIndex) {
|
|
tti.remove();
|
|
this.textTracksCount--;
|
|
}
|
|
|
|
if (idx === this.currentTextTrackIndex) {
|
|
this.currentTextTrackIndex = 0;
|
|
|
|
this.video.dispatchEvent(new CustomEvent("texttrackchange"));
|
|
}
|
|
}
|
|
|
|
this.setClosedCaptionButtonState();
|
|
},
|
|
|
|
initTextTracks() {
|
|
// add 'off' button anyway as new text track might be
|
|
// dynamically added after initialization.
|
|
const offLabel = this.textTrackList.getAttribute("offlabel");
|
|
this.addNewTextTrack({
|
|
label: offLabel,
|
|
kind: "subtitles"
|
|
});
|
|
|
|
for (let tt of this.overlayableTextTracks) {
|
|
this.addNewTextTrack(tt);
|
|
}
|
|
|
|
this.setClosedCaptionButtonState();
|
|
},
|
|
|
|
isEventWithin(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(msg) {
|
|
if (this.debug) {
|
|
console.log("videoctl: " + msg + "\n");
|
|
}
|
|
},
|
|
|
|
get isTopLevelSyntheticDocument() {
|
|
let doc = this.video.ownerDocument;
|
|
let win = doc.defaultView;
|
|
return doc.mozSyntheticDocument && win === win.top;
|
|
},
|
|
|
|
controlBarMinHeight: 40,
|
|
controlBarMinVisibleHeight: 28,
|
|
adjustControlSize() {
|
|
if (this.videocontrols.isTouchControls) {
|
|
return;
|
|
}
|
|
|
|
const minControlBarPaddingWidth = 18;
|
|
|
|
this.fullscreenButton.isWanted = !this.controlBar.hasAttribute("fullscreen-unavailable");
|
|
this.closedCaptionButton.isWanted = this.isClosedCaptionAvailable;
|
|
this.volumeStack.isWanted = !this.muteButton.hasAttribute("noAudio");
|
|
|
|
let minRequiredWidth = this.prioritizedControls
|
|
.filter(control => control && control.isWanted)
|
|
.reduce((accWidth, cc) => accWidth + cc.minWidth, minControlBarPaddingWidth);
|
|
// Skip the adjustment in case the stylesheets haven't been loaded yet.
|
|
if (!minRequiredWidth) {
|
|
return;
|
|
}
|
|
|
|
let givenHeight = this.video.clientHeight;
|
|
let videoWidth = this.video.clientWidth || minRequiredWidth;
|
|
let videoHeight = this.isAudioOnly ? this.controlBarMinHeight : givenHeight;
|
|
|
|
let widthUsed = minControlBarPaddingWidth;
|
|
let preventAppendControl = false;
|
|
|
|
for (let control of this.prioritizedControls) {
|
|
if (!control.isWanted) {
|
|
control.hideByAdjustment = true;
|
|
continue;
|
|
}
|
|
|
|
control.hideByAdjustment = preventAppendControl ||
|
|
widthUsed + control.minWidth > videoWidth;
|
|
|
|
if (control.hideByAdjustment) {
|
|
preventAppendControl = true;
|
|
} else {
|
|
widthUsed += control.minWidth;
|
|
}
|
|
}
|
|
|
|
// Use flexible spacer to separate controls when scrubber is hidden.
|
|
// As long as muteButton hidden, which means only play button presents,
|
|
// hide spacer and make playButton centered.
|
|
this.controlBarSpacer.hidden = !this.scrubberStack.hidden || this.muteButton.hidden;
|
|
|
|
// Since the size of videocontrols is expanded with controlBar in <audio>, we
|
|
// should fix the dimensions in order not to recursively trigger reflow afterwards.
|
|
if (this.video instanceof HTMLAudioElement) {
|
|
if (givenHeight) {
|
|
// The height of controlBar should be capped with the bounds between controlBarMinHeight
|
|
// and controlBarMinVisibleHeight.
|
|
let controlBarHeight = Math.max(Math.min(givenHeight, this.controlBarMinHeight), this.controlBarMinVisibleHeight);
|
|
this.controlBar.style.height = `${controlBarHeight}px`;
|
|
}
|
|
this.controlBar.style.width = `${videoWidth - minControlBarPaddingWidth}px`;
|
|
return;
|
|
}
|
|
|
|
if (videoHeight < this.controlBarMinHeight ||
|
|
widthUsed === minControlBarPaddingWidth) {
|
|
this.controlBar.setAttribute("size", "hidden");
|
|
this.controlBar.hideByAdjustment = true;
|
|
} else {
|
|
this.controlBar.removeAttribute("size");
|
|
this.controlBar.hideByAdjustment = false;
|
|
}
|
|
|
|
// Adjust clickToPlayButton size.
|
|
const minVideoSideLength = Math.min(videoWidth, videoHeight);
|
|
const clickToPlayViewRatio = 0.15;
|
|
const clickToPlayScaledSize = Math.max(
|
|
this.clickToPlay.minWidth, minVideoSideLength * clickToPlayViewRatio);
|
|
|
|
if (clickToPlayScaledSize >= videoWidth ||
|
|
(clickToPlayScaledSize + this.controlBarMinHeight / 2 >= videoHeight / 2 )) {
|
|
this.clickToPlay.hideByAdjustment = true;
|
|
} else {
|
|
if (this.clickToPlay.hidden && !this.video.played.length && this.video.paused) {
|
|
this.clickToPlay.hideByAdjustment = false;
|
|
}
|
|
this.clickToPlay.style.width = `${clickToPlayScaledSize}px`;
|
|
this.clickToPlay.style.height = `${clickToPlayScaledSize}px`;
|
|
}
|
|
},
|
|
|
|
init(binding) {
|
|
this.video = binding.parentNode;
|
|
this.videocontrols = binding;
|
|
|
|
this.controlsContainer = document.getAnonymousElementByAttribute(binding, "anonid", "controlsContainer");
|
|
this.statusIcon = document.getAnonymousElementByAttribute(binding, "anonid", "statusIcon");
|
|
this.controlBar = document.getAnonymousElementByAttribute(binding, "anonid", "controlBar");
|
|
this.playButton = document.getAnonymousElementByAttribute(binding, "anonid", "playButton");
|
|
this.controlBarSpacer = document.getAnonymousElementByAttribute(binding, "anonid", "controlBarSpacer");
|
|
this.muteButton = document.getAnonymousElementByAttribute(binding, "anonid", "muteButton");
|
|
this.volumeStack = document.getAnonymousElementByAttribute(binding, "anonid", "volumeStack");
|
|
this.volumeControl = document.getAnonymousElementByAttribute(binding, "anonid", "volumeControl");
|
|
this.progressBar = document.getAnonymousElementByAttribute(binding, "anonid", "progressBar");
|
|
this.bufferBar = document.getAnonymousElementByAttribute(binding, "anonid", "bufferBar");
|
|
this.scrubberStack = document.getAnonymousElementByAttribute(binding, "anonid", "scrubberStack");
|
|
this.scrubber = document.getAnonymousElementByAttribute(binding, "anonid", "scrubber");
|
|
this.durationLabel = document.getAnonymousElementByAttribute(binding, "anonid", "durationLabel");
|
|
this.positionLabel = document.getAnonymousElementByAttribute(binding, "anonid", "positionLabel");
|
|
this.positionDurationBox = document.getAnonymousElementByAttribute(binding, "anonid", "positionDurationBox");
|
|
this.statusOverlay = document.getAnonymousElementByAttribute(binding, "anonid", "statusOverlay");
|
|
this.controlsOverlay = document.getAnonymousElementByAttribute(binding, "anonid", "controlsOverlay");
|
|
this.controlsSpacer = document.getAnonymousElementByAttribute(binding, "anonid", "controlsSpacer");
|
|
this.clickToPlay = document.getAnonymousElementByAttribute(binding, "anonid", "clickToPlay");
|
|
this.fullscreenButton = document.getAnonymousElementByAttribute(binding, "anonid", "fullscreenButton");
|
|
this.closedCaptionButton = document.getAnonymousElementByAttribute(binding, "anonid", "closedCaptionButton");
|
|
this.textTrackList = document.getAnonymousElementByAttribute(binding, "anonid", "textTrackList");
|
|
|
|
if (this.positionDurationBox) {
|
|
this.durationSpan = this.positionDurationBox.getElementsByTagName("span")[0];
|
|
}
|
|
|
|
this.controlBarComputedStyles = getComputedStyle(this.controlBar);
|
|
|
|
// Hide and show control in certain order.
|
|
this.prioritizedControls = [
|
|
this.playButton,
|
|
this.muteButton,
|
|
this.fullscreenButton,
|
|
this.closedCaptionButton,
|
|
this.positionDurationBox,
|
|
this.scrubberStack,
|
|
this.durationSpan,
|
|
this.volumeStack
|
|
];
|
|
|
|
// XXX controlsContainer is a desktop only element. To determine whether
|
|
// isTouchControls or not during the whole initialization process, get
|
|
// this state overridden here.
|
|
this.videocontrols.isTouchControls = !this.controlsContainer;
|
|
this.isAudioOnly = (this.video instanceof HTMLAudioElement);
|
|
this.setupInitialState();
|
|
this.setupNewLoadState();
|
|
this.initTextTracks();
|
|
|
|
// Use the handleEvent() callback for all media events.
|
|
// Only the "error" event listener must capture, so that it can trap error
|
|
// events from <source> children, which don't bubble. But we use capture
|
|
// for all events in order to simplify the event listener add/remove.
|
|
for (let event of this.videoEvents) {
|
|
this.video.addEventListener(event, this, {
|
|
capture: true,
|
|
mozSystemGroup: true
|
|
});
|
|
}
|
|
|
|
var self = this;
|
|
this.controlListeners = [];
|
|
|
|
// Helper function to add an event listener to the given element
|
|
// Due to this helper function, "Utils" is made available to the event
|
|
// listener functions. Hence declare it as a global for ESLint.
|
|
/* global Utils */
|
|
function addListener(elem, eventName, func, capture = false) {
|
|
let boundFunc = func.bind(self);
|
|
self.controlListeners.push({ item: elem, event: eventName, func: boundFunc, capture });
|
|
elem.addEventListener(eventName, boundFunc, { mozSystemGroup: true, capture });
|
|
}
|
|
|
|
addListener(this.muteButton, "click", this.toggleMute);
|
|
addListener(this.closedCaptionButton, "click", this.toggleClosedCaption);
|
|
addListener(this.fullscreenButton, "click", this.toggleFullscreen);
|
|
addListener(this.playButton, "click", this.clickToPlayClickHandler);
|
|
addListener(this.clickToPlay, "click", this.clickToPlayClickHandler);
|
|
addListener(this.controlsSpacer, "click", this.clickToPlayClickHandler);
|
|
addListener(this.controlsSpacer, "dblclick", this.toggleFullscreen);
|
|
|
|
addListener(this.videocontrols, "resizevideocontrols", this.adjustControlSize);
|
|
addListener(this.videocontrols, "transitionend", this.onTransitionEnd);
|
|
addListener(this.video.ownerDocument, "mozfullscreenchange", this.onFullscreenChange);
|
|
addListener(this.controlBar, "transitionend", this.onControlBarTransitioned);
|
|
addListener(this.video.ownerDocument, "fullscreenchange", this.onFullscreenChange);
|
|
addListener(this.video, "keypress", this.keyHandler, true);
|
|
|
|
addListener(this.videocontrols, "dragstart", function(event) {
|
|
event.preventDefault(); // prevent dragging of controls image (bug 517114)
|
|
});
|
|
|
|
if (!this.videocontrols.isTouchControls) {
|
|
addListener(this.scrubber, "input", this.onScrubberInput);
|
|
addListener(this.scrubber, "change", this.onScrubberChange);
|
|
// add mouseup listener additionally to handle the case that `change` event
|
|
// isn't fired when the input value before/after dragging are the same. (bug 1328061)
|
|
addListener(this.scrubber, "mouseup", this.onScrubberChange);
|
|
addListener(this.volumeControl, "input", this.updateVolume);
|
|
addListener(this.video.textTracks, "addtrack", this.onTextTrackAdd);
|
|
addListener(this.video.textTracks, "removetrack", this.onTextTrackRemove);
|
|
}
|
|
|
|
this.log("--- videocontrols initialized ---");
|
|
}
|
|
};
|
|
|
|
this.Utils.init(this);
|
|
]]>
|
|
</constructor>
|
|
<destructor>
|
|
<![CDATA[
|
|
this.Utils.terminateEventListeners();
|
|
// 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.isTouchControls) {
|
|
this.Utils.onMouseInOut(event);
|
|
}
|
|
</handler>
|
|
<handler event="mouseout">
|
|
if (!this.isTouchControls) {
|
|
this.Utils.onMouseInOut(event);
|
|
}
|
|
</handler>
|
|
<handler event="mousemove">
|
|
if (!this.isTouchControls) {
|
|
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 anonid="statusOverlay" flex="1" class="statusOverlay" hidden="true">
|
|
<box anonid="statusIcon" 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 anonid="controlsOverlay" class="controlsOverlay">
|
|
<spacer anonid="controlsSpacer" class="controlsSpacer" flex="1"/>
|
|
<box flex="1" hidden="true">
|
|
<box anonid="clickToPlay" class="clickToPlay" hidden="true" flex="1"/>
|
|
<vbox anonid="textTrackList" class="textTrackList" hidden="true" offlabel="&closedCaption.off;"></vbox>
|
|
</box>
|
|
<vbox anonid="controlBar" class="controlBar" hidden="true">
|
|
<hbox class="buttonsBar">
|
|
<button anonid="playButton"
|
|
class="playButton"
|
|
playlabel="&playButton.playLabel;"
|
|
pauselabel="&playButton.pauseLabel;"/>
|
|
<label anonid="positionLabel" class="positionLabel" role="presentation"/>
|
|
<stack anonid="scrubberStack" class="scrubberStack">
|
|
<box class="backgroundBar"/>
|
|
<progressmeter class="flexibleBar" value="100"/>
|
|
<progressmeter anonid="bufferBar" class="bufferBar"/>
|
|
<progressmeter anonid="progressBar" class="progressBar" max="10000"/>
|
|
<scale anonid="scrubber" class="scrubber" movetoclick="true"/>
|
|
</stack>
|
|
<label anonid="durationLabel" class="durationLabel" role="presentation"/>
|
|
<button anonid="muteButton"
|
|
class="muteButton"
|
|
mutelabel="&muteButton.muteLabel;"
|
|
unmutelabel="&muteButton.unmuteLabel;"/>
|
|
<stack anonid="volumeStack" class="volumeStack">
|
|
<box anonid="volumeBackground" class="volumeBackground"/>
|
|
<box anonid="volumeForeground" class="volumeForeground"/>
|
|
<scale anonid="volumeControl" class="volumeControl" movetoclick="true"/>
|
|
</stack>
|
|
<button anonid="castingButton" class="castingButton" hidden="true"
|
|
aria-label="&castingButton.castingLabel;"/>
|
|
<button anonid="closedCaptionButton" class="closedCaptionButton" hidden="true"/>
|
|
<button anonid="fullscreenButton"
|
|
class="fullscreenButton"
|
|
enterfullscreenlabel="&fullscreenButton.enterfullscreenlabel;"
|
|
exitfullscreenlabel="&fullscreenButton.exitfullscreenlabel;"/>
|
|
</hbox>
|
|
</vbox>
|
|
</vbox>
|
|
</stack>
|
|
</xbl:content>
|
|
|
|
<implementation>
|
|
<constructor>
|
|
<![CDATA[
|
|
this.isTouchControls = true;
|
|
this.TouchUtils = {
|
|
videocontrols: null,
|
|
video: null,
|
|
controlsTimer: null,
|
|
controlsTimeout: 5000,
|
|
positionLabel: null,
|
|
castingButton: 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() {
|
|
if (!this.Utils.dynamicControls || !this.visible) {
|
|
this.showControls();
|
|
} else {
|
|
this.delayHideControls(0);
|
|
}
|
|
},
|
|
|
|
showControls() {
|
|
if (this.Utils.dynamicControls) {
|
|
this.Utils.startFadeIn(this.Utils.controlBar);
|
|
this.delayHideControls(this.controlsTimeout);
|
|
}
|
|
},
|
|
|
|
clearTimer() {
|
|
if (this.controlsTimer) {
|
|
clearTimeout(this.controlsTimer);
|
|
this.controlsTimer = null;
|
|
}
|
|
},
|
|
|
|
delayHideControls(aTimeout) {
|
|
this.clearTimer();
|
|
let self = this;
|
|
this.controlsTimer = setTimeout(function() {
|
|
self.hideControls();
|
|
}, aTimeout);
|
|
},
|
|
|
|
hideControls() {
|
|
if (!this.Utils.dynamicControls) {
|
|
return;
|
|
}
|
|
this.Utils.startFadeOut(this.Utils.controlBar);
|
|
if (this.firstShow) {
|
|
this.videocontrols.addEventListener("transitionend", this);
|
|
}
|
|
},
|
|
|
|
handleEvent(aEvent) {
|
|
if (aEvent.type == "transitionend") {
|
|
this.firstShow = false;
|
|
try {
|
|
this.videocontrols.removeEventListener("transitionend", this);
|
|
} catch (ex) {}
|
|
return;
|
|
}
|
|
|
|
if (this.videocontrols.randomID != this.Utils.randomID) {
|
|
this.terminateEventListeners();
|
|
}
|
|
},
|
|
|
|
terminateEventListeners() {
|
|
for (var event of this.videoEvents) {
|
|
try {
|
|
this.Utils.video.removeEventListener(event, this);
|
|
} catch (ex) {}
|
|
}
|
|
},
|
|
|
|
isVideoCasting() {
|
|
return this.video.mozIsCasting;
|
|
},
|
|
|
|
updateCasting(eventDetail) {
|
|
let castingData = JSON.parse(eventDetail);
|
|
if ("allow" in castingData) {
|
|
this.video.mozAllowCasting = !!castingData.allow;
|
|
}
|
|
|
|
if ("active" in castingData) {
|
|
this.video.mozIsCasting = !!castingData.active;
|
|
}
|
|
this.setCastButtonState();
|
|
},
|
|
|
|
startCasting() {
|
|
this.videocontrols.dispatchEvent(new CustomEvent("VideoBindingCast"));
|
|
},
|
|
|
|
setCastButtonState() {
|
|
if (this.isAudioOnly || !this.video.mozAllowCasting) {
|
|
this.castingButton.hidden = true;
|
|
return;
|
|
}
|
|
|
|
if (this.video.mozIsCasting) {
|
|
this.castingButton.setAttribute("active", "true");
|
|
} else {
|
|
this.castingButton.removeAttribute("active");
|
|
}
|
|
|
|
this.castingButton.hidden = false;
|
|
},
|
|
|
|
init(binding) {
|
|
this.videocontrols = binding;
|
|
this.video = binding.parentNode;
|
|
|
|
let self = this;
|
|
this.Utils.playButton.addEventListener("command", function() {
|
|
if (!self.video.paused) {
|
|
self.delayHideControls(0);
|
|
} else {
|
|
self.showControls();
|
|
}
|
|
});
|
|
this.Utils.scrubber.addEventListener("touchstart", function() {
|
|
self.clearTimer();
|
|
});
|
|
this.Utils.scrubber.addEventListener("touchend", function() {
|
|
self.delayHideControls(self.controlsTimeout);
|
|
});
|
|
this.Utils.muteButton.addEventListener("click", function() { self.delayHideControls(self.controlsTimeout); });
|
|
|
|
this.castingButton = document.getAnonymousElementByAttribute(binding, "anonid", "castingButton");
|
|
this.castingButton.addEventListener("command", function() {
|
|
self.startCasting();
|
|
});
|
|
|
|
this.video.addEventListener("media-videoCasting", function(e) {
|
|
if (!e.isTrusted) {
|
|
return;
|
|
}
|
|
self.updateCasting(e.detail);
|
|
}, false, true);
|
|
|
|
// 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 (!this.video.autoplay && this.Utils.dynamicControls && this.video.paused &&
|
|
this.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 (this.video.currentTime !== 0) {
|
|
this.delayHideControls(this.Utils.HIDE_CONTROLS_TIMEOUT_MS);
|
|
}
|
|
}
|
|
};
|
|
|
|
this.TouchUtils.init(this)
|
|
this.dispatchEvent(new CustomEvent("VideoBindingAttached"));
|
|
]]>
|
|
</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>
|
|
|
|
<binding id="noControls">
|
|
|
|
<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">
|
|
<vbox flex="1" class="statusOverlay" hidden="true">
|
|
<box flex="1">
|
|
<box class="clickToPlay" flex="1"/>
|
|
</box>
|
|
</vbox>
|
|
</xbl:content>
|
|
|
|
<implementation>
|
|
<constructor>
|
|
<![CDATA[
|
|
this.randomID = 0;
|
|
this.Utils = {
|
|
randomID: 0,
|
|
videoEvents: ["play",
|
|
"playing"],
|
|
controlListeners: [],
|
|
terminateEventListeners() {
|
|
for (let event of this.videoEvents) {
|
|
try {
|
|
this.video.removeEventListener(event, this, { mozSystemGroup: true });
|
|
} catch (ex) {}
|
|
}
|
|
|
|
for (let element of this.controlListeners) {
|
|
try {
|
|
element.item.removeEventListener(element.event, element.func,
|
|
{ mozSystemGroup: true });
|
|
} catch (ex) {}
|
|
}
|
|
|
|
delete this.controlListeners;
|
|
},
|
|
|
|
hasError() {
|
|
return (this.video.error != null || this.video.networkState == this.video.NETWORK_NO_SOURCE);
|
|
},
|
|
|
|
handleEvent(aEvent) {
|
|
// If the binding is detached (or has been replaced by a
|
|
// newer instance of the binding), nuke our event-listeners.
|
|
if (this.binding.randomID != this.randomID) {
|
|
this.terminateEventListeners();
|
|
return;
|
|
}
|
|
|
|
switch (aEvent.type) {
|
|
case "play":
|
|
this.noControlsOverlay.hidden = true;
|
|
break;
|
|
case "playing":
|
|
this.noControlsOverlay.hidden = true;
|
|
break;
|
|
}
|
|
},
|
|
|
|
blockedVideoHandler() {
|
|
if (this.binding.randomID != this.randomID) {
|
|
this.terminateEventListeners();
|
|
return;
|
|
} else if (this.hasError()) {
|
|
this.noControlsOverlay.hidden = true;
|
|
return;
|
|
}
|
|
this.noControlsOverlay.hidden = false;
|
|
},
|
|
|
|
clickToPlayClickHandler(e) {
|
|
if (this.binding.randomID != this.randomID) {
|
|
this.terminateEventListeners();
|
|
return;
|
|
} else if (e.button != 0) {
|
|
return;
|
|
}
|
|
|
|
this.noControlsOverlay.hidden = true;
|
|
this.video.play();
|
|
},
|
|
|
|
init(binding) {
|
|
this.binding = binding;
|
|
this.randomID = Math.random();
|
|
this.binding.randomID = this.randomID;
|
|
this.video = binding.parentNode;
|
|
this.clickToPlay = document.getAnonymousElementByAttribute(binding, "class", "clickToPlay");
|
|
this.noControlsOverlay = document.getAnonymousElementByAttribute(binding, "class", "statusOverlay");
|
|
|
|
let self = this;
|
|
function addListener(elem, eventName, func) {
|
|
let boundFunc = func.bind(self);
|
|
self.controlListeners.push({ item: elem, event: eventName, func: boundFunc });
|
|
elem.addEventListener(eventName, boundFunc, { mozSystemGroup: true });
|
|
}
|
|
addListener(this.clickToPlay, "click", this.clickToPlayClickHandler);
|
|
addListener(this.video, "MozNoControlsBlockedVideo", this.blockedVideoHandler);
|
|
|
|
for (let event of this.videoEvents) {
|
|
this.video.addEventListener(event, this, { mozSystemGroup: true });
|
|
}
|
|
|
|
if (this.video.autoplay && !this.video.mozAutoplayEnabled) {
|
|
this.blockedVideoHandler();
|
|
}
|
|
}
|
|
};
|
|
this.Utils.init(this);
|
|
this.Utils.video.dispatchEvent(new CustomEvent("MozNoControlsVideoBindingAttached"));
|
|
]]>
|
|
</constructor>
|
|
<destructor>
|
|
<![CDATA[
|
|
this.Utils.terminateEventListeners();
|
|
// 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>
|
|
</binding>
|
|
|
|
</bindings>
|