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

65 строки
1.9 KiB
C++

/* -*- 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 GMPStorageParent_h_
#define GMPStorageParent_h_
#include "mozilla/gmp/PGMPStorageParent.h"
#include "gmp-storage.h"
#include "mozilla/UniquePtr.h"
namespace mozilla {
namespace gmp {
class GMPParent;
class GMPStorage {
public:
virtual ~GMPStorage() {}
virtual GMPErr Open(const nsCString& aRecordName) = 0;
virtual bool IsOpen(const nsCString& aRecordName) = 0;
virtual GMPErr Read(const nsCString& aRecordName,
nsTArray<uint8_t>& aOutBytes) = 0;
virtual GMPErr Write(const nsCString& aRecordName,
const nsTArray<uint8_t>& aBytes) = 0;
virtual GMPErr GetRecordNames(nsTArray<nsCString>& aOutRecordNames) = 0;
virtual void Close(const nsCString& aRecordName) = 0;
};
class GMPStorageParent : public PGMPStorageParent {
public:
NS_INLINE_DECL_REFCOUNTING(GMPStorageParent)
GMPStorageParent(const nsCString& aNodeId,
GMPParent* aPlugin);
nsresult Init();
void Shutdown();
protected:
bool RecvOpen(const nsCString& aRecordName) override;
bool RecvRead(const nsCString& aRecordName) override;
bool RecvWrite(const nsCString& aRecordName,
InfallibleTArray<uint8_t>&& aBytes) override;
bool RecvGetRecordNames() override;
bool RecvClose(const nsCString& aRecordName) override;
void ActorDestroy(ActorDestroyReason aWhy) override;
private:
~GMPStorageParent() {}
UniquePtr<GMPStorage> mStorage;
const nsCString mNodeId;
RefPtr<GMPParent> mPlugin;
// True after Shutdown(), or if Init() has not completed successfully.
bool mShutdown;
};
} // namespace gmp
} // namespace mozilla
#endif // GMPStorageParent_h_