blob: 355821ecc5de021c3751b7eb290607907bd83062 [file] [log] [blame]
/*
* 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 VolumeSupport extends MediaControllerSupport
{
// Protected
get control()
{
return this.mediaController.controls.volumeSlider;
}
get mediaEvents()
{
return ["volumechange"];
}
controlValueWillStartChanging(control)
{
this._volumeBeforeChange = this.mediaController.media.volume;
this.mediaController.media.muted = false;
}
controlValueDidChange(control)
{
this.mediaController.media.volume = (control.value === 0 && this._volumeBeforeChange > 0) ? this._volumeBeforeChange : control.value;
this.mediaController.media.muted = control.value === 0;
}
syncControl()
{
const media = this.mediaController.media;
this.control.value = media.muted ? 0 : media.volume;
}
}