mirror of
https://github.com/classilla/tenfourfox.git
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146 lines
4.7 KiB
C++
146 lines
4.7 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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template <class> struct already_AddRefed;
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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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#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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void RunPluginCrashCallbacks(const uint32_t aPluginId,
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const nsACString& aPluginName);
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// Sets the window to which 'PluginCrashed' chromeonly event is dispatched.
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// Note: if the plugin has crashed before the target window has been set,
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// the 'PluginCrashed' event is dispatched as soon as a target window is set.
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void AddPluginCrashedEventTarget(const uint32_t aPluginId,
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nsPIDOMWindow* aParentWindow);
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protected:
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GeckoMediaPluginService();
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virtual ~GeckoMediaPluginService();
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void RemoveObsoletePluginCrashCallbacks(); // Called from add/run.
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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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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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class GMPCrashCallback
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{
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public:
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NS_INLINE_DECL_REFCOUNTING(GMPCrashCallback)
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GMPCrashCallback(const uint32_t aPluginId,
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nsPIDOMWindow* aParentWindow,
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nsIDocument* aDocument);
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void Run(const nsACString& aPluginName);
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bool IsStillValid();
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const uint32_t GetPluginId() const { return mPluginId; }
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private:
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virtual ~GMPCrashCallback() { MOZ_ASSERT(NS_IsMainThread()); }
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bool GetParentWindowAndDocumentIfValid(nsCOMPtr<nsPIDOMWindow>& parentWindow,
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nsCOMPtr<nsIDocument>& document);
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const uint32_t mPluginId;
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nsWeakPtr mParentWindowWeakPtr;
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nsWeakPtr mDocumentWeakPtr;
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};
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struct PluginCrash
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{
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PluginCrash(uint32_t aPluginId,
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const nsACString& aPluginName)
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: mPluginId(aPluginId)
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, mPluginName(aPluginName)
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{
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}
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uint32_t mPluginId;
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nsCString mPluginName;
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bool operator==(const PluginCrash& aOther) const {
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return mPluginId == aOther.mPluginId &&
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mPluginName == aOther.mPluginName;
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}
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};
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static const size_t MAX_PLUGIN_CRASHES = 100;
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nsTArray<PluginCrash> mPluginCrashes;
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nsTArray<RefPtr<GMPCrashCallback>> 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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