Add m-esr52 at 52.6.0

1 files changed, 75 insertions, 0 deletions

diff --git a/gfx/layers/ipc/VideoBridgeChild.h b/gfx/layers/ipc/VideoBridgeChild.h
new file mode 100644
index 000000000..f5677008e
--- /dev/null
+++ b/gfx/layers/ipc/VideoBridgeChild.h
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 20; 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 MOZILLA_GFX_VIDEOBRIDGECHILD_H
+#define MOZILLA_GFX_VIDEOBRIDGECHILD_H
+
+#include "mozilla/layers/PVideoBridgeChild.h"
+#include "ISurfaceAllocator.h"
+#include "TextureForwarder.h"
+
+namespace mozilla {
+namespace layers {
+
+class VideoBridgeChild final : public PVideoBridgeChild
+                             , public TextureForwarder
+{
+public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoBridgeChild, override);
+
+  static void Startup();
+  static void Shutdown();
+
+  static VideoBridgeChild* GetSingleton();
+
+  // PVideoBridgeChild
+  PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
+                                    const LayersBackend& aLayersBackend,
+                                    const TextureFlags& aFlags,
+                                    const uint64_t& aSerial) override;
+  bool DeallocPTextureChild(PTextureChild* actor) override;
+
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+  void DeallocPVideoBridgeChild() override;
+
+
+  // ISurfaceAllocator
+  bool AllocUnsafeShmem(size_t aSize,
+                        mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
+                        mozilla::ipc::Shmem* aShmem) override;
+  bool AllocShmem(size_t aSize,
+                  mozilla::ipc::SharedMemory::SharedMemoryType aShmType,
+                  mozilla::ipc::Shmem* aShmem) override;
+  bool DeallocShmem(mozilla::ipc::Shmem& aShmem) override;
+
+  // TextureForwarder
+  PTextureChild* CreateTexture(const SurfaceDescriptor& aSharedData,
+                               LayersBackend aLayersBackend,
+                               TextureFlags aFlags,
+                               uint64_t aSerial) override;
+
+  // ClientIPCAllocator
+  base::ProcessId GetParentPid() const override { return OtherPid(); }
+  MessageLoop * GetMessageLoop() const override { return mMessageLoop; }
+  void CancelWaitForRecycle(uint64_t aTextureId) override { MOZ_ASSERT(false, "NO RECYCLING HERE"); }
+
+  // ISurfaceAllocator
+  bool IsSameProcess() const override;
+
+  bool CanSend() { return mCanSend; }
+
+private:
+  VideoBridgeChild();
+  ~VideoBridgeChild();
+
+  RefPtr<VideoBridgeChild> mIPDLSelfRef;
+  MessageLoop* mMessageLoop;
+  bool mCanSend;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif