| /* |
| * 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 AirplaySupport extends MediaControllerSupport |
| { |
| |
| // Protected |
| |
| get control() |
| { |
| return this.mediaController.controls.airplayButton; |
| } |
| |
| get mediaEvents() |
| { |
| return ["webkitplaybacktargetavailabilitychanged", "webkitcurrentplaybacktargetiswirelesschanged"]; |
| } |
| |
| enable() |
| { |
| if (this._shouldBeEnabled()) |
| super.enable(); |
| } |
| |
| buttonWasPressed(control) |
| { |
| this.mediaController.media.webkitShowPlaybackTargetPicker(); |
| } |
| |
| controlsUserVisibilityDidChange() |
| { |
| if (this._shouldBeEnabled()) |
| this.enable(); |
| else |
| this.disable(); |
| } |
| |
| handleEvent(event) |
| { |
| if (event.type === "webkitplaybacktargetavailabilitychanged") |
| this._routesAvailable = event.availability === "available"; |
| |
| super.handleEvent(event); |
| } |
| |
| syncControl() |
| { |
| this.control.enabled = !!this._routesAvailable; |
| this.control.on = this.mediaController.media.webkitCurrentPlaybackTargetIsWireless; |
| this.mediaController.controls.muteButton.enabled = !this.control.on; |
| } |
| |
| // Private |
| |
| _shouldBeEnabled() |
| { |
| if (!this.mediaController.hasPlayed) |
| return false; |
| |
| const controls = this.mediaController.controls; |
| return controls.visible && !controls.faded; |
| } |
| |
| } |