| /* |
| * Copyright (C) 2019 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) |
| |
| #include "AuxiliaryProcess.h" |
| #include "WebPageProxyIdentifier.h" |
| #include <pal/SessionID.h> |
| #include <wtf/Function.h> |
| #include <wtf/MemoryPressureHandler.h> |
| #include <wtf/WeakPtr.h> |
| |
| namespace WebCore { |
| class NowPlayingManager; |
| } |
| |
| namespace WebKit { |
| |
| class GPUConnectionToWebProcess; |
| struct GPUProcessCreationParameters; |
| struct GPUProcessSessionParameters; |
| class LayerHostingContext; |
| class RemoteAudioSessionProxyManager; |
| |
| class GPUProcess : public AuxiliaryProcess, public ThreadSafeRefCounted<GPUProcess>, public CanMakeWeakPtr<GPUProcess> { |
| WTF_MAKE_NONCOPYABLE(GPUProcess); |
| public: |
| explicit GPUProcess(AuxiliaryProcessInitializationParameters&&); |
| ~GPUProcess(); |
| static constexpr ProcessType processType = ProcessType::GPU; |
| |
| void removeGPUConnectionToWebProcess(GPUConnectionToWebProcess&); |
| |
| void prepareToSuspend(bool isSuspensionImminent, CompletionHandler<void()>&&); |
| void processDidResume(); |
| void resume(); |
| |
| void connectionToWebProcessClosed(IPC::Connection&); |
| |
| GPUConnectionToWebProcess* webProcessConnection(WebCore::ProcessIdentifier) const; |
| |
| const String& mediaCacheDirectory(PAL::SessionID) const; |
| #if ENABLE(LEGACY_ENCRYPTED_MEDIA) |
| const String& mediaKeysStorageDirectory(PAL::SessionID) const; |
| #endif |
| |
| #if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION) |
| RemoteAudioSessionProxyManager& audioSessionManager() const; |
| #endif |
| |
| WebCore::NowPlayingManager& nowPlayingManager(); |
| |
| private: |
| void lowMemoryHandler(Critical); |
| |
| // AuxiliaryProcess |
| void initializeProcess(const AuxiliaryProcessInitializationParameters&) override; |
| void initializeProcessName(const AuxiliaryProcessInitializationParameters&) override; |
| void initializeSandbox(const AuxiliaryProcessInitializationParameters&, SandboxInitializationParameters&) override; |
| bool shouldTerminate() override; |
| |
| // IPC::Connection::Client |
| void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override; |
| void didClose(IPC::Connection&) override; |
| |
| // Message Handlers |
| void initializeGPUProcess(GPUProcessCreationParameters&&); |
| void createGPUConnectionToWebProcess(WebCore::ProcessIdentifier, PAL::SessionID, CompletionHandler<void(Optional<IPC::Attachment>&&)>&&); |
| void addSession(PAL::SessionID, GPUProcessSessionParameters&&); |
| void removeSession(PAL::SessionID); |
| |
| void processDidTransitionToForeground(); |
| void processDidTransitionToBackground(); |
| #if ENABLE(MEDIA_STREAM) |
| void setMockCaptureDevicesEnabled(bool); |
| void setOrientationForMediaCapture(uint64_t orientation); |
| void updateCaptureAccess(bool allowAudioCapture, bool allowVideoCapture, bool allowDisplayCapture, WebCore::ProcessIdentifier, CompletionHandler<void()>&&); |
| #endif |
| |
| // Connections to WebProcesses. |
| HashMap<WebCore::ProcessIdentifier, Ref<GPUConnectionToWebProcess>> m_webProcessConnections; |
| |
| #if ENABLE(MEDIA_STREAM) |
| struct MediaCaptureAccess { |
| bool allowAudioCapture { false }; |
| bool allowVideoCapture { false }; |
| bool allowDisplayCapture { false }; |
| }; |
| HashMap<WebCore::ProcessIdentifier, MediaCaptureAccess> m_mediaCaptureAccessMap; |
| #endif |
| |
| struct GPUSession { |
| String mediaCacheDirectory; |
| #if ENABLE(LEGACY_ENCRYPTED_MEDIA) |
| String mediaKeysStorageDirectory; |
| #endif |
| }; |
| HashMap<PAL::SessionID, GPUSession> m_sessions; |
| #if HAVE(VISIBILITY_PROPAGATION_VIEW) |
| std::unique_ptr<LayerHostingContext> m_contextForVisibilityPropagation; |
| bool m_canShowWhileLocked { false }; |
| #endif |
| std::unique_ptr<WebCore::NowPlayingManager> m_nowPlayingManager; |
| #if ENABLE(GPU_PROCESS) && USE(AUDIO_SESSION) |
| mutable std::unique_ptr<RemoteAudioSessionProxyManager> m_audioSessionManager; |
| #endif |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(GPU_PROCESS) |