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Diffstat (limited to 'dom/media/gmp/GMPStorageChild.h')
-rw-r--r-- | dom/media/gmp/GMPStorageChild.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPStorageChild.h b/dom/media/gmp/GMPStorageChild.h new file mode 100644 index 000000000..3c5948a30 --- /dev/null +++ b/dom/media/gmp/GMPStorageChild.h @@ -0,0 +1,118 @@ +/* -*- 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 GMPStorageChild_h_ +#define GMPStorageChild_h_ + +#include "mozilla/gmp/PGMPStorageChild.h" +#include "gmp-storage.h" +#include "nsTHashtable.h" +#include "nsRefPtrHashtable.h" +#include "gmp-platform.h" + +#include <queue> + +namespace mozilla { +namespace gmp { + +class GMPChild; +class GMPStorageChild; + +class GMPRecordImpl : public GMPRecord +{ +public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPRecordImpl) + + GMPRecordImpl(GMPStorageChild* aOwner, + const nsCString& aName, + GMPRecordClient* aClient); + + // GMPRecord. + GMPErr Open() override; + GMPErr Read() override; + GMPErr Write(const uint8_t* aData, + uint32_t aDataSize) override; + GMPErr Close() override; + + const nsCString& Name() const { return mName; } + + void OpenComplete(GMPErr aStatus); + void ReadComplete(GMPErr aStatus, const uint8_t* aBytes, uint32_t aLength); + void WriteComplete(GMPErr aStatus); + +private: + ~GMPRecordImpl() {} + const nsCString mName; + GMPRecordClient* const mClient; + GMPStorageChild* const mOwner; +}; + +class GMPStorageChild : public PGMPStorageChild +{ +public: + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(GMPStorageChild) + + explicit GMPStorageChild(GMPChild* aPlugin); + + GMPErr CreateRecord(const nsCString& aRecordName, + GMPRecord** aOutRecord, + GMPRecordClient* aClient); + + GMPErr Open(GMPRecordImpl* aRecord); + + GMPErr Read(GMPRecordImpl* aRecord); + + GMPErr Write(GMPRecordImpl* aRecord, + const uint8_t* aData, + uint32_t aDataSize); + + GMPErr Close(const nsCString& aRecordName); + + GMPErr EnumerateRecords(RecvGMPRecordIteratorPtr aRecvIteratorFunc, + void* aUserArg); + +private: + bool HasRecord(const nsCString& aRecordName); + already_AddRefed<GMPRecordImpl> GetRecord(const nsCString& aRecordName); + +protected: + ~GMPStorageChild() {} + + // PGMPStorageChild + bool RecvOpenComplete(const nsCString& aRecordName, + const GMPErr& aStatus) override; + bool RecvReadComplete(const nsCString& aRecordName, + const GMPErr& aStatus, + InfallibleTArray<uint8_t>&& aBytes) override; + bool RecvWriteComplete(const nsCString& aRecordName, + const GMPErr& aStatus) override; + bool RecvRecordNames(InfallibleTArray<nsCString>&& aRecordNames, + const GMPErr& aStatus) override; + bool RecvShutdown() override; + +private: + Monitor mMonitor; + nsRefPtrHashtable<nsCStringHashKey, GMPRecordImpl> mRecords; + GMPChild* mPlugin; + + struct RecordIteratorContext { + explicit RecordIteratorContext(RecvGMPRecordIteratorPtr aFunc, + void* aUserArg) + : mFunc(aFunc) + , mUserArg(aUserArg) + {} + RecordIteratorContext() {} + RecvGMPRecordIteratorPtr mFunc; + void* mUserArg; + }; + + std::queue<RecordIteratorContext> mPendingRecordIterators; + bool mShutdown; +}; + +} // namespace gmp +} // namespace mozilla + +#endif // GMPStorageChild_h_ |