129 lines
4.2 KiB
C++
129 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GMPService_h_
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#define GMPService_h_
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#include "GMPContentParent.h"
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#include "GMPCrashHelper.h"
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#include "gmp-video-codec.h"
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#include "mozIGeckoMediaPluginService.h"
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#include "mozilla/Atomics.h"
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#include "mozilla/gmp/GMPTypes.h"
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#include "mozilla/MozPromise.h"
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#include "nsCOMPtr.h"
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#include "nsClassHashtable.h"
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#include "nsIObserver.h"
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#include "nsString.h"
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#include "nsTArray.h"
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class nsIAsyncShutdownClient;
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class nsIRunnable;
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class nsISerialEventTarget;
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class nsIThread;
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template <class>
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struct already_AddRefed;
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namespace mozilla {
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class GMPCrashHelper;
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class MediaResult;
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extern LogModule* GetGMPLog();
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extern LogModule* GetGMPLibraryLog();
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extern GMPLogLevel GetGMPLibraryLogLevel();
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namespace gmp {
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using GetGMPContentParentPromise =
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MozPromise<RefPtr<GMPContentParentCloseBlocker>, MediaResult,
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/* IsExclusive = */ true>;
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using GetCDMParentPromise = MozPromise<RefPtr<ChromiumCDMParent>, MediaResult,
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/* IsExclusive = */ true>;
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class GeckoMediaPluginService : public mozIGeckoMediaPluginService,
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public nsIObserver {
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public:
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static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
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virtual nsresult Init();
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NS_DECL_THREADSAFE_ISUPPORTS
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RefPtr<GetCDMParentPromise> GetCDM(const NodeIdParts& aNodeIdParts,
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const nsACString& aKeySystem,
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GMPCrashHelper* aHelper);
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#if defined(MOZ_SANDBOX) && defined(MOZ_DEBUG) && defined(ENABLE_TESTS)
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RefPtr<GetGMPContentParentPromise> GetContentParentForTest();
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#endif
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// mozIGeckoMediaPluginService
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NS_IMETHOD GetThread(nsIThread** aThread) override MOZ_EXCLUDES(mMutex);
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nsresult GetThreadLocked(nsIThread** aThread) MOZ_REQUIRES(mMutex);
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NS_IMETHOD GetGMPVideoDecoder(
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GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override;
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NS_IMETHOD GetGMPVideoEncoder(
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GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoEncoderCallback>&& aCallback) override;
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// TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230)
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MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD RunPluginCrashCallbacks(
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uint32_t aPluginId, const nsACString& aPluginName) override;
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already_AddRefed<nsISerialEventTarget> GetGMPThread();
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void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
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void DisconnectCrashHelper(GMPCrashHelper* aHelper);
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bool XPCOMWillShutdownReceived() const { return mXPCOMWillShutdown; }
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protected:
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GeckoMediaPluginService();
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virtual ~GeckoMediaPluginService();
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void AssertOnGMPThread() {
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#ifdef DEBUG
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MutexAutoLock lock(mMutex);
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MOZ_ASSERT(mGMPThread->IsOnCurrentThread());
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#endif
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}
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virtual void InitializePlugins(nsISerialEventTarget* aGMPThread) = 0;
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virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
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GMPCrashHelper* aHelper, const NodeIdVariant& aNodeIdVariant,
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const nsACString& aAPI, const nsTArray<nsCString>& aTags) = 0;
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nsresult GMPDispatch(nsIRunnable* event, uint32_t flags = NS_DISPATCH_NORMAL);
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nsresult GMPDispatch(already_AddRefed<nsIRunnable> event,
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uint32_t flags = NS_DISPATCH_NORMAL);
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void ShutdownGMPThread();
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static nsCOMPtr<nsIAsyncShutdownClient> GetShutdownBarrier();
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Mutex mMutex; // Protects mGMPThread, mPluginCrashHelpers,
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// mGMPThreadShutdown and some members in
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// derived classes.
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const nsCOMPtr<nsISerialEventTarget> mMainThread;
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nsCOMPtr<nsIThread> mGMPThread MOZ_GUARDED_BY(mMutex);
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bool mGMPThreadShutdown MOZ_GUARDED_BY(mMutex);
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bool mShuttingDownOnGMPThread;
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Atomic<bool> mXPCOMWillShutdown;
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nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>>
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mPluginCrashHelpers MOZ_GUARDED_BY(mMutex);
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};
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} // namespace gmp
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} // namespace mozilla
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#endif // GMPService_h_
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