1 files changed, 66 insertions, 0 deletions
diff --git a/dom/media/systemservices/MediaSystemResourceManagerChild.h b/dom/media/systemservices/MediaSystemResourceManagerChild.h
new file mode 100644
index 000000000..51d4de8d1
--- /dev/null
+++ b/dom/media/systemservices/MediaSystemResourceManagerChild.h
@@ -0,0 +1,66 @@
+/* -*- 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/. */
+
+#if !defined(MediaSystemResourceManagerChild_h_)
+#define MediaSystemResourceManagerChild_h_
+
+#include "mozilla/media/PMediaSystemResourceManagerChild.h"
+#include "nsISupportsImpl.h"
+
+namespace mozilla {
+
+class MediaSystemResourceManager;
+
+namespace ipc {
+class BackgroundChildImpl;
+} // namespace ipc
+
+namespace media {
+
+/**
+ * Handle MediaSystemResourceManager's IPC
+ */
+class MediaSystemResourceManagerChild final : public PMediaSystemResourceManagerChild
+{
+public:
+  struct ResourceListener {
+    /* The resource is reserved and can be granted.
+     * The client can allocate the requested resource.
+     */
+    virtual void resourceReserved() = 0;
+    /* The resource is not reserved any more.
+     * The client should release the resource as soon as possible if the
+     * resource is still being held.
+     */
+    virtual void resourceCanceled() = 0;
+  };
+
+  MediaSystemResourceManagerChild();
+  virtual ~MediaSystemResourceManagerChild();
+
+  void Destroy();
+
+  void SetManager(MediaSystemResourceManager* aManager)
+  {
+    mManager = aManager;
+  }
+
+protected:
+  bool RecvResponse(const uint32_t& aId,
+                    const bool& aSuccess) override;
+
+private:
+  void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
+
+  bool mDestroyed;
+  MediaSystemResourceManager* mManager;
+
+  friend class mozilla::ipc::BackgroundChildImpl;
+};
+
+} // namespace media
+} // namespace mozilla
+
+#endif