/* -*- 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 "GMPContentParent.h"
#include "GMPCrashHelper.h"
#include "gmp-video-codec.h"
#include "mozIGeckoMediaPluginService.h"
#include "mozilla/Atomics.h"
#include "mozilla/gmp/GMPTypes.h"
#include "mozilla/MozPromise.h"
#include "nsCOMPtr.h"
#include "nsClassHashtable.h"
#include "nsIObserver.h"
#include "nsString.h"
#include "nsTArray.h"
class nsIAsyncShutdownClient;
class nsIRunnable;
class nsISerialEventTarget;
class nsIThread;
template <
class>
struct already_AddRefed;
namespace mozilla {
class GMPCrashHelper;
class MediaResult;
extern LogModule* GetGMPLog();
extern LogModule* GetGMPLibraryLog();
extern GMPLogLevel GetGMPLibraryLogLevel();
namespace gmp {
using GetGMPContentParentPromise =
MozPromise<RefPtr<GMPContentParentCloseBlocker>, MediaResult,
/* IsExclusive = */ true>;
using GetCDMParentPromise = MozPromise<RefPtr<ChromiumCDMParent>, MediaResult,
/* IsExclusive = */ true>;
class GeckoMediaPluginService :
public mozIGeckoMediaPluginService,
public nsIObserver {
public:
static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
virtual nsresult Init();
NS_DECL_THREADSAFE_ISUPPORTS
RefPtr<GetCDMParentPromise> GetCDM(
const NodeIdParts& aNodeIdParts,
const nsACString& aKeySystem,
GMPCrashHelper* aHelper);
#if defined(MOZ_SANDBOX) &&
defined(MOZ_DEBUG) &&
defined(ENABLE_TESTS)
RefPtr<GetGMPContentParentPromise> GetContentParentForTest();
#endif
// mozIGeckoMediaPluginService
NS_IMETHOD GetThread(nsIThread** aThread) override MOZ_EXCLUDES(mMutex);
nsresult GetThreadLocked(nsIThread** aThread) MOZ_REQUIRES(mMutex);
NS_IMETHOD GetGMPVideoDecoder(
GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
const nsACString& aNodeId,
UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override;
NS_IMETHOD GetGMPVideoEncoder(
GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
const nsACString& aNodeId,
UniquePtr<GetGMPVideoEncoderCallback>&& aCallback) override;
// TODO: Convert this to MOZ_CAN_RUN_SCRIPT (bug 1415230)
MOZ_CAN_RUN_SCRIPT_BOUNDARY NS_IMETHOD RunPluginCrashCallbacks(
uint32_t aPluginId,
const nsACString& aPluginName) override;
already_AddRefed<nsISerialEventTarget> GetGMPThread();
void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
void DisconnectCrashHelper(GMPCrashHelper* aHelper);
bool XPCOMWillShutdownReceived()
const {
return mXPCOMWillShutdown; }
protected:
GeckoMediaPluginService();
virtual ~GeckoMediaPluginService();
void AssertOnGMPThread() {
#ifdef DEBUG
MutexAutoLock lock(mMutex);
MOZ_ASSERT(mGMPThread->IsOnCurrentThread());
#endif
}
virtual void InitializePlugins(nsISerialEventTarget* aGMPThread) = 0;
virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
GMPCrashHelper* aHelper,
const NodeIdVariant& aNodeIdVariant,
const nsACString& 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();
static nsCOMPtr<nsIAsyncShutdownClient> GetShutdownBarrier();
Mutex mMutex;
// Protects mGMPThread, mPluginCrashHelpers,
// mGMPThreadShutdown and some members in
// derived classes.
const nsCOMPtr<nsISerialEventTarget> mMainThread;
nsCOMPtr<nsIThread> mGMPThread MOZ_GUARDED_BY(mMutex);
bool mGMPThreadShutdown MOZ_GUARDED_BY(mMutex);
bool mShuttingDownOnGMPThread;
Atomic<
bool> mXPCOMWillShutdown;
nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>>
mPluginCrashHelpers MOZ_GUARDED_BY(mMutex);
};
}
// namespace gmp
}
// namespace mozilla
#endif // GMPService_h_
