gecko-dev/dom/media/gmp/GMPService.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GMPService_h_
#define GMPService_h_
#include "nsString.h"
#include "mozIGeckoMediaPluginService.h"
#include "nsIObserver.h"
#include "nsTArray.h"
#include "mozilla/Atomics.h"
#include "mozilla/Attributes.h"
#include "mozilla/Monitor.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsIThread.h"
#include "nsThreadUtils.h"
#include "nsIDocument.h"
#include "nsIWeakReference.h"
#include "mozilla/AbstractThread.h"
#include "nsClassHashtable.h"
#include "nsISupportsImpl.h"
#include "mozilla/MozPromise.h"
#include "GMPContentParent.h"
#include "GMPCrashHelper.h"
#include "ChromiumCDMParent.h"
#include "MediaResult.h"
template <class> struct already_AddRefed;
namespace mozilla {
class GMPCrashHelper;
extern LogModule* GetGMPLog();
namespace gmp {
struct NodeId
{
NodeId(const nsAString& aOrigin,
const nsAString& aTopLevelOrigin,
const nsAString& aGMPName)
: mOrigin(aOrigin)
, mTopLevelOrigin(aTopLevelOrigin)
, mGMPName(aGMPName)
{
}
nsString mOrigin;
nsString mTopLevelOrigin;
nsString mGMPName;
};
typedef MozPromise<RefPtr<GMPContentParent::CloseBlocker>,
MediaResult,
/* IsExclusive = */ true>
GetGMPContentParentPromise;
typedef MozPromise<RefPtr<ChromiumCDMParent>,
MediaResult,
/* IsExclusive = */ true>
GetCDMParentPromise;
class GeckoMediaPluginService : public mozIGeckoMediaPluginService
, public nsIObserver
{
public:
static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
virtual nsresult Init();
NS_DECL_THREADSAFE_ISUPPORTS
RefPtr<GetCDMParentPromise> GetCDM(const NodeId& aNodeId,
nsTArray<nsCString> aTags,
GMPCrashHelper* aHelper);
// mozIGeckoMediaPluginService
NS_IMETHOD GetThread(nsIThread** aThread) override;
NS_IMETHOD GetDecryptingGMPVideoDecoder(GMPCrashHelper* aHelper,
nsTArray<nsCString>* aTags,
const nsACString& aNodeId,
UniquePtr<GetGMPVideoDecoderCallback>&& aCallback,
uint32_t aDecryptorId)
override;
NS_IMETHOD GetGMPVideoEncoder(GMPCrashHelper* aHelper,
nsTArray<nsCString>* aTags,
const nsACString& aNodeId,
UniquePtr<GetGMPVideoEncoderCallback>&& aCallback)
override;
// Helper for backwards compatibility with WebRTC/tests.
NS_IMETHOD
GetGMPVideoDecoder(GMPCrashHelper* aHelper,
nsTArray<nsCString>* aTags,
const nsACString& aNodeId,
UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override
{
return GetDecryptingGMPVideoDecoder(aHelper, aTags, aNodeId, std::move(aCallback), 0);
}
NS_IMETHOD RunPluginCrashCallbacks(uint32_t aPluginId,
const nsACString& aPluginName) override;
RefPtr<AbstractThread> GetAbstractGMPThread();
void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
void DisconnectCrashHelper(GMPCrashHelper* aHelper);
bool XPCOMWillShutdownReceived() const { return mXPCOMWillShutdown; }
protected:
GeckoMediaPluginService();
virtual ~GeckoMediaPluginService();
virtual void InitializePlugins(AbstractThread* aAbstractGMPThread) = 0;
virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
GMPCrashHelper* aHelper,
const nsACString& aNodeIdString,
const nsCString& aAPI,
const nsTArray<nsCString>& aTags) = 0;
virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
GMPCrashHelper* aHelper,
const NodeId& aNodeId,
const nsCString& aAPI,
const nsTArray<nsCString>& aTags) = 0;
nsresult GMPDispatch(nsIRunnable* event, uint32_t flags = NS_DISPATCH_NORMAL);
nsresult GMPDispatch(already_AddRefed<nsIRunnable> event, uint32_t flags = NS_DISPATCH_NORMAL);
void ShutdownGMPThread();
Mutex mMutex; // Protects mGMPThread, mAbstractGMPThread, mPluginCrashHelpers,
// mGMPThreadShutdown and some members in derived classes.
nsCOMPtr<nsIThread> mGMPThread;
RefPtr<AbstractThread> mAbstractGMPThread;
bool mGMPThreadShutdown;
bool mShuttingDownOnGMPThread;
Atomic<bool> mXPCOMWillShutdown;
nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>> mPluginCrashHelpers;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPService_h_