| /* |
| * Copyright (C) 2020 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. AND ITS CONTRIBUTORS ``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 ITS 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION) |
| |
| #include <WebCore/AudioSession.h> |
| #include <WebCore/ProcessIdentifier.h> |
| #include <wtf/WeakHashSet.h> |
| |
| namespace WebKit { |
| |
| class GPUProcess; |
| class RemoteAudioSessionProxy; |
| |
| class RemoteAudioSessionProxyManager |
| : public WebCore::AudioSession::InterruptionObserver { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| RemoteAudioSessionProxyManager(); |
| ~RemoteAudioSessionProxyManager(); |
| |
| void addProxy(RemoteAudioSessionProxy&); |
| void removeProxy(RemoteAudioSessionProxy&); |
| |
| void setCategoryForProcess(RemoteAudioSessionProxy&, WebCore::AudioSession::CategoryType, WebCore::RouteSharingPolicy); |
| void setPreferredBufferSizeForProcess(RemoteAudioSessionProxy&, size_t); |
| |
| bool tryToSetActiveForProcess(RemoteAudioSessionProxy&, bool); |
| |
| const WebCore::AudioSession& session() const { return m_session; } |
| |
| private: |
| void beginAudioSessionInterruption() final; |
| void endAudioSessionInterruption(WebCore::AudioSession::MayResume) final; |
| |
| UniqueRef<WebCore::AudioSession> m_session; |
| WeakHashSet<RemoteAudioSessionProxy> m_proxies; |
| }; |
| |
| } |
| |
| #endif |