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/*
* Copyright (C) 2016 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
class PlacardSupport extends MediaControllerSupport
{
constructor(mediaController)
{
super(mediaController);
this._updatePlacard();
}
// Protected
get mediaEvents()
{
return ["loadstart", "error", "webkitpresentationmodechanged", "webkitcurrentplaybacktargetiswirelesschanged"];
}
handleEvent(event)
{
this._updatePlacard();
}
enable()
{
super.enable();
this._isDisabled = false;
this._updatePlacard();
}
disable()
{
// Never disable the plackard, just remeber whether the placard should be visible or not
this._isDisabled = true;
this._updatePlacard();
}
// Private
_updatePlacard()
{
const controls = this.mediaController.controls;
const media = this.mediaController.media;
let placard = null;
if (media.webkitPresentationMode === "picture-in-picture" && this._controlsNeedJavascriptPipPlacard())
placard = controls.pipPlacard;
else if (media.webkitCurrentPlaybackTargetIsWireless) {
this._updateAirPlayPlacard();
placard = controls.airplayPlacard;
} else if (!this._isDisabled && media instanceof HTMLVideoElement && media.error !== null && media.played.length === 0)
placard = controls.invalidPlacard;
controls.placard = placard;
}
_controlsNeedJavascriptPipPlacard()
{
if (this.mediaController.controls instanceof IOSInlineMediaControls)
return false;
return true;
}
_updateAirPlayPlacard()
{
var deviceName = "";
if (!this.mediaController.host)
return;
switch(this.mediaController.host.externalDeviceType) {
case 'airplay':
deviceName = UIString("This video is playing on \u201C%s\u201D.", escapeHTML(this.mediaController.host.externalDeviceDisplayName) || UIString("Apple TV"));
break;
case 'tvout':
deviceName = UIString("This video is playing on the TV.");
break;
}
this.mediaController.controls.airplayPlacard.description = deviceName;
}
}
function escapeHTML(unsafeString)
{
var div = document.createElement("div");
div.textContent = unsafeString;
return div.innerHTML;
}
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