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https://github.com/mozilla/gecko-dev.git
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4b3a0f0d42
MozReview-Commit-ID: EqzJagCHk7n --HG-- extra : rebase_source : e66aa2a4b5939ae8bcf833a5d1a59ef508a679b3
134 lines
4.6 KiB
C++
134 lines
4.6 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 "nsString.h"
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#include "mozIGeckoMediaPluginService.h"
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#include "nsIObserver.h"
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#include "nsTArray.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/Monitor.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsIThread.h"
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#include "nsThreadUtils.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDocument.h"
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#include "nsIWeakReference.h"
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#include "mozilla/AbstractThread.h"
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#include "nsClassHashtable.h"
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#include "nsISupportsImpl.h"
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template <class> struct already_AddRefed;
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// For every GMP actor requested, the caller can specify a crash helper,
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// which is an object which supplies the nsPIDOMWindowInner to which we'll
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// dispatch the PluginCrashed event if the GMP crashes.
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// GMPCrashHelper has threadsafe refcounting. Its release method ensures
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// that instances are destroyed on the main thread.
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class GMPCrashHelper
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{
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public:
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NS_METHOD_(MozExternalRefCountType) AddRef(void);
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NS_METHOD_(MozExternalRefCountType) Release(void);
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// Called on the main thread.
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virtual already_AddRefed<nsPIDOMWindowInner> GetPluginCrashedEventTarget() = 0;
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protected:
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virtual ~GMPCrashHelper()
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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void Destroy();
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mozilla::ThreadSafeAutoRefCnt mRefCnt;
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NS_DECL_OWNINGTHREAD
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};
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namespace mozilla {
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extern LogModule* GetGMPLog();
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namespace gmp {
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class GetGMPContentParentCallback;
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class GeckoMediaPluginService : public mozIGeckoMediaPluginService
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, public nsIObserver
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{
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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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// mozIGeckoMediaPluginService
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NS_IMETHOD GetThread(nsIThread** aThread) override;
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NS_IMETHOD HasPluginForAPI(const nsACString& aAPI, nsTArray<nsCString>* aTags,
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bool *aRetVal) override;
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NS_IMETHOD GetGMPVideoDecoder(GMPCrashHelper* aHelper,
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nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoDecoderCallback>&& aCallback)
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override;
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NS_IMETHOD GetGMPVideoEncoder(GMPCrashHelper* aHelper,
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nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPVideoEncoderCallback>&& aCallback)
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override;
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NS_IMETHOD GetGMPAudioDecoder(GMPCrashHelper* aHelper,
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nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPAudioDecoderCallback>&& aCallback)
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override;
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NS_IMETHOD GetGMPDecryptor(GMPCrashHelper* aHelper,
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nsTArray<nsCString>* aTags,
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const nsACString& aNodeId,
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UniquePtr<GetGMPDecryptorCallback>&& aCallback)
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override;
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int32_t AsyncShutdownTimeoutMs();
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NS_IMETHOD RunPluginCrashCallbacks(uint32_t aPluginId,
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const nsACString& aPluginName) override;
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RefPtr<AbstractThread> GetAbstractGMPThread();
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void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
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void DisconnectCrashHelper(GMPCrashHelper* aHelper);
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protected:
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GeckoMediaPluginService();
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virtual ~GeckoMediaPluginService();
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virtual void InitializePlugins(AbstractThread* aAbstractGMPThread) = 0;
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virtual bool GetContentParentFrom(GMPCrashHelper* aHelper,
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const nsACString& aNodeId,
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const nsCString& aAPI,
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const nsTArray<nsCString>& aTags,
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UniquePtr<GetGMPContentParentCallback>&& aCallback) = 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, uint32_t flags = NS_DISPATCH_NORMAL);
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void ShutdownGMPThread();
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Mutex mMutex; // Protects mGMPThread, mAbstractGMPThread, mPluginCrashHelpers,
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// mGMPThreadShutdown and some members in derived classes.
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nsCOMPtr<nsIThread> mGMPThread;
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RefPtr<AbstractThread> mAbstractGMPThread;
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bool mGMPThreadShutdown;
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bool mShuttingDownOnGMPThread;
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nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>> mPluginCrashHelpers;
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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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