mirror of
https://github.com/mozilla/gecko-dev.git
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119 lines
3.9 KiB
C++
119 lines
3.9 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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template <class> struct already_AddRefed;
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namespace mozilla {
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extern PRLogModuleInfo* GetGMPLog();
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namespace gmp {
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class GetGMPContentParentCallback;
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#define GMP_DEFAULT_ASYNC_SHUTDONW_TIMEOUT 3000
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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(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(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(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(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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class PluginCrashCallback
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{
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public:
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NS_INLINE_DECL_REFCOUNTING(PluginCrashCallback)
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PluginCrashCallback(const nsACString& aPluginId)
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: mPluginId(aPluginId)
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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const nsACString& PluginId() const { return mPluginId; }
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virtual void Run(const nsACString& aPluginName, const nsAString& aPluginDumpId) = 0;
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virtual bool IsStillValid() = 0; // False if callback has become useless.
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protected:
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virtual ~PluginCrashCallback()
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{
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MOZ_ASSERT(NS_IsMainThread());
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}
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private:
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const nsCString mPluginId;
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};
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void RemoveObsoletePluginCrashCallbacks(); // Called from add/remove/run.
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void AddPluginCrashCallback(nsRefPtr<PluginCrashCallback> aPluginCrashCallback);
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void RemovePluginCrashCallbacks(const nsACString& aPluginId);
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void RunPluginCrashCallbacks(const nsACString& aPluginId,
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const nsACString& aPluginName,
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const nsAString& aPluginDumpId);
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protected:
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GeckoMediaPluginService();
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virtual ~GeckoMediaPluginService();
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virtual void InitializePlugins() = 0;
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virtual bool GetContentParentFrom(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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void ShutdownGMPThread();
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protected:
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Mutex mMutex; // Protects mGMPThread and mGMPThreadShutdown and some members
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// in derived classes.
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nsCOMPtr<nsIThread> mGMPThread;
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bool mGMPThreadShutdown;
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bool mShuttingDownOnGMPThread;
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nsTArray<nsRefPtr<PluginCrashCallback>> mPluginCrashCallbacks;
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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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