1 files changed, 94 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPStorageChild.h b/dom/media/gmp/GMPStorageChild.h
new file mode 100644
index 0000000000..97c61a5007
--- /dev/null
+++ 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_