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-rw-r--r--dom/media/gmp/GMPStorageChild.h94
1 files changed, 94 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPStorageChild.h b/dom/media/gmp/GMPStorageChild.h
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+++ b/dom/media/gmp/GMPStorageChild.h
@@ -0,0 +1,94 @@
+/* -*- 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::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() = default;
+ const nsCString mName;
+ GMPRecordClient* const mClient;
+ GMPStorageChild* const mOwner;
+};
+
+class GMPStorageChild : public PGMPStorageChild {
+ friend class 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);
+
+ private:
+ bool HasRecord(const nsCString& aRecordName);
+ already_AddRefed<GMPRecordImpl> GetRecord(const nsCString& aRecordName);
+
+ protected:
+ ~GMPStorageChild() = default;
+
+ // PGMPStorageChild
+ mozilla::ipc::IPCResult RecvOpenComplete(const nsCString& aRecordName,
+ const GMPErr& aStatus);
+ mozilla::ipc::IPCResult RecvReadComplete(const nsCString& aRecordName,
+ const GMPErr& aStatus,
+ nsTArray<uint8_t>&& aBytes);
+ mozilla::ipc::IPCResult RecvWriteComplete(const nsCString& aRecordName,
+ const GMPErr& aStatus);
+ mozilla::ipc::IPCResult RecvShutdown();
+
+ private:
+ Monitor mMonitor MOZ_UNANNOTATED;
+ nsRefPtrHashtable<nsCStringHashKey, GMPRecordImpl> mRecords;
+ GMPChild* mPlugin;
+ bool mShutdown;
+};
+
+} // namespace mozilla::gmp
+
+#endif // GMPStorageChild_h_