1 files changed, 124 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPService.h b/dom/media/gmp/GMPService.h
new file mode 100644
index 0000000000..7b0402e24c
--- /dev/null
+++ b/dom/media/gmp/GMPService.h
@@ -0,0 +1,124 @@
+/* -*- 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 GMPService_h_
+#define GMPService_h_
+
+#include "GMPContentParent.h"
+#include "GMPCrashHelper.h"
+#include "mozIGeckoMediaPluginService.h"
+#include "mozilla/Atomics.h"
+#include "mozilla/gmp/GMPTypes.h"
+#include "mozilla/MozPromise.h"
+#include "nsCOMPtr.h"
+#include "nsClassHashtable.h"
+#include "nsIObserver.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+class nsIAsyncShutdownClient;
+class nsIRunnable;
+class nsISerialEventTarget;
+class nsIThread;
+
+template <class>
+struct already_AddRefed;
+
+namespace mozilla {
+
+class GMPCrashHelper;
+class MediaResult;
+
+extern LogModule* GetGMPLog();
+
+namespace gmp {
+
+typedef MozPromise<RefPtr<GMPContentParent::CloseBlocker>, MediaResult,
+                   /* IsExclusive = */ true>
+    GetGMPContentParentPromise;
+typedef MozPromise<RefPtr<ChromiumCDMParent>, MediaResult,
+                   /* IsExclusive = */ true>
+    GetCDMParentPromise;
+
+class GeckoMediaPluginService : public mozIGeckoMediaPluginService,
+                                public nsIObserver {
+ public:
+  static already_AddRefed<GeckoMediaPluginService> GetGeckoMediaPluginService();
+
+  virtual nsresult Init();
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+
+  RefPtr<GetCDMParentPromise> GetCDM(const NodeIdParts& aNodeIdParts,
+                                     nsTArray<nsCString> aTags,
+                                     GMPCrashHelper* aHelper);
+
+  // mozIGeckoMediaPluginService
+  NS_IMETHOD GetThread(nsIThread** aThread) override;
+  NS_IMETHOD GetDecryptingGMPVideoDecoder(
+      GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
+      const nsACString& aNodeId,
+      UniquePtr<GetGMPVideoDecoderCallback>&& aCallback,
+      uint32_t aDecryptorId) override;
+  NS_IMETHOD GetGMPVideoEncoder(
+      GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
+      const nsACString& aNodeId,
+      UniquePtr<GetGMPVideoEncoderCallback>&& aCallback) override;
+
+  // Helper for backwards compatibility with WebRTC/tests.
+  NS_IMETHOD
+  GetGMPVideoDecoder(
+      GMPCrashHelper* aHelper, nsTArray<nsCString>* aTags,
+      const nsACString& aNodeId,
+      UniquePtr<GetGMPVideoDecoderCallback>&& aCallback) override {
+    return GetDecryptingGMPVideoDecoder(aHelper, aTags, aNodeId,
+                                        std::move(aCallback), 0);
+  }
+
+  NS_IMETHOD RunPluginCrashCallbacks(uint32_t aPluginId,
+                                     const nsACString& aPluginName) override;
+
+  already_AddRefed<nsISerialEventTarget> GetGMPThread();
+
+  void ConnectCrashHelper(uint32_t aPluginId, GMPCrashHelper* aHelper);
+  void DisconnectCrashHelper(GMPCrashHelper* aHelper);
+
+  bool XPCOMWillShutdownReceived() const { return mXPCOMWillShutdown; }
+
+ protected:
+  GeckoMediaPluginService();
+  virtual ~GeckoMediaPluginService();
+
+  virtual void InitializePlugins(nsISerialEventTarget* aGMPThread) = 0;
+
+  virtual RefPtr<GetGMPContentParentPromise> GetContentParent(
+      GMPCrashHelper* aHelper, const NodeIdVariant& aNodeIdVariant,
+      const nsCString& aAPI, const nsTArray<nsCString>& aTags) = 0;
+
+  nsresult GMPDispatch(nsIRunnable* event, uint32_t flags = NS_DISPATCH_NORMAL);
+  nsresult GMPDispatch(already_AddRefed<nsIRunnable> event,
+                       uint32_t flags = NS_DISPATCH_NORMAL);
+  void ShutdownGMPThread();
+
+  static nsCOMPtr<nsIAsyncShutdownClient> GetShutdownBarrier();
+
+  Mutex mMutex;  // Protects mGMPThread, mPluginCrashHelpers,
+                 // mGMPThreadShutdown and some members in derived classes.
+
+  const nsCOMPtr<nsISerialEventTarget> mMainThread;
+
+  nsCOMPtr<nsIThread> mGMPThread;
+  bool mGMPThreadShutdown;
+  bool mShuttingDownOnGMPThread;
+  Atomic<bool> mXPCOMWillShutdown;
+
+  nsClassHashtable<nsUint32HashKey, nsTArray<RefPtr<GMPCrashHelper>>>
+      mPluginCrashHelpers;
+};
+
+}  // namespace gmp
+}  // namespace mozilla
+
+#endif  // GMPService_h_