1 files changed, 94 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPContentParent.h b/dom/media/gmp/GMPContentParent.h
new file mode 100644
index 0000000000..eb68e0fd4a
--- /dev/null
+++ b/dom/media/gmp/GMPContentParent.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 GMPContentParent_h_
+#define GMPContentParent_h_
+
+#include "mozilla/gmp/PGMPContentParent.h"
+#include "GMPSharedMemManager.h"
+#include "GMPNativeTypes.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla::gmp {
+
+class GMPParent;
+class GMPVideoDecoderParent;
+class GMPVideoEncoderParent;
+class ChromiumCDMParent;
+
+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; }
+
+  class CloseBlocker {
+   public:
+    NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CloseBlocker)
+
+    explicit CloseBlocker(GMPContentParent* aParent) : mParent(aParent) {
+      mParent->AddCloseBlocker();
+    }
+    RefPtr<GMPContentParent> mParent;
+
+   private:
+    ~CloseBlocker() { mParent->RemoveCloseBlocker(); }
+  };
+
+ private:
+  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;
+};
+
+}  // namespace mozilla::gmp
+
+#endif  // GMPParent_h_