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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 GMPContentParent_h_
#define GMPContentParent_h_
#include "mozilla/gmp/PGMPContentParent.h"
#include "GMPSharedMemManager.h"
#include "GMPNativeTypes.h"
#include "nsISupportsImpl.h"
namespace mozilla::gmp {
class GMPContentParentCloseBlocker;
class GMPParent;
class GMPVideoDecoderParent;
class GMPVideoEncoderParent;
class ChromiumCDMParent;
/**
* This class allows the parent/content processes to create GMP decoder/encoder
* objects in the GMP process.
*/
class GMPContentParent final : public PGMPContentParent, public GMPSharedMem {
friend class PGMPContentParent;
public:
// Mark AddRef and Release as `final`, as they overload pure virtual
// implementations in PGMPContentParent.
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPContentParent, final)
explicit GMPContentParent(GMPParent* aParent = nullptr);
nsresult GetGMPVideoDecoder(GMPVideoDecoderParent** aGMPVD);
void VideoDecoderDestroyed(GMPVideoDecoderParent* aDecoder);
nsresult GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE);
void VideoEncoderDestroyed(GMPVideoEncoderParent* aEncoder);
already_AddRefed<ChromiumCDMParent> GetChromiumCDM(
const nsCString& aKeySystem);
void ChromiumCDMDestroyed(ChromiumCDMParent* aCDM);
nsCOMPtr<nsISerialEventTarget> GMPEventTarget();
// GMPSharedMem
void CheckThread() override;
void SetDisplayName(const nsCString& aDisplayName) {
mDisplayName = aDisplayName;
}
const nsCString& GetDisplayName() const { return mDisplayName; }
void SetPluginId(const uint32_t aPluginId) { mPluginId = aPluginId; }
uint32_t GetPluginId() const { return mPluginId; }
void SetPluginType(GMPPluginType aPluginType) { mPluginType = aPluginType; }
GMPPluginType GetPluginType() const { return mPluginType; }
private:
friend class GMPContentParentCloseBlocker;
void AddCloseBlocker();
void RemoveCloseBlocker();
~GMPContentParent();
void ActorDestroy(ActorDestroyReason aWhy) override;
void CloseIfUnused();
// Needed because NewRunnableMethod tried to use the class that the method
// lives on to store the receiver, but PGMPContentParent isn't refcounted.
void Close() { PGMPContentParent::Close(); }
nsTArray<RefPtr<GMPVideoDecoderParent>> mVideoDecoders;
nsTArray<RefPtr<GMPVideoEncoderParent>> mVideoEncoders;
nsTArray<RefPtr<ChromiumCDMParent>> mChromiumCDMs;
nsCOMPtr<nsISerialEventTarget> mGMPEventTarget;
RefPtr<GMPParent> mParent;
nsCString mDisplayName;
uint32_t mPluginId;
GMPPluginType mPluginType = GMPPluginType::Unknown;
uint32_t mCloseBlockerCount = 0;
};
class GMPContentParentCloseBlocker final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPContentParentCloseBlocker)
explicit GMPContentParentCloseBlocker(GMPContentParent* aParent)
: mParent(aParent), mEventTarget(aParent->GMPEventTarget()) {
MOZ_ASSERT(mEventTarget);
mParent->AddCloseBlocker();
}
void Destroy();
RefPtr<GMPContentParent> mParent;
private:
nsCOMPtr<nsISerialEventTarget> mEventTarget;
~GMPContentParentCloseBlocker() { Destroy(); }
};
} // namespace mozilla::gmp
#endif // GMPParent_h_
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