Add m-esr52 at 52.6.0

1 files changed, 77 insertions, 0 deletions

diff --git a/dom/media/systemservices/MediaSystemResourceManagerParent.cpp b/dom/media/systemservices/MediaSystemResourceManagerParent.cpp
new file mode 100644
index 000000000..9e15c0c48
--- /dev/null
+++ b/dom/media/systemservices/MediaSystemResourceManagerParent.cpp
@@ -0,0 +1,77 @@
+/* -*- 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/. */
+
+#include "mozilla/Unused.h"
+
+#include "MediaSystemResourceManagerParent.h"
+
+namespace mozilla {
+namespace media {
+
+using namespace ipc;
+
+MediaSystemResourceManagerParent::MediaSystemResourceManagerParent()
+  : mDestroyed(false)
+{
+  mMediaSystemResourceService = MediaSystemResourceService::Get();
+}
+
+MediaSystemResourceManagerParent::~MediaSystemResourceManagerParent()
+{
+  MOZ_ASSERT(mDestroyed);
+}
+
+bool
+MediaSystemResourceManagerParent::RecvAcquire(const uint32_t& aId,
+                                              const MediaSystemResourceType& aResourceType,
+                                              const bool& aWillWait)
+{
+  MediaSystemResourceRequest* request = mResourceRequests.Get(aId);
+  MOZ_ASSERT(!request);
+  if (request) {
+    // Send fail response
+    mozilla::Unused << SendResponse(aId, false /* fail */);
+    return true;
+  }
+
+  request = new MediaSystemResourceRequest(aId, aResourceType);
+  mResourceRequests.Put(aId, request);
+  mMediaSystemResourceService->Acquire(this, aId, aResourceType, aWillWait);
+  return true;
+}
+
+bool
+MediaSystemResourceManagerParent::RecvRelease(const uint32_t& aId)
+{
+  MediaSystemResourceRequest* request = mResourceRequests.Get(aId);
+  if (!request) {
+    return true;
+  }
+
+  mMediaSystemResourceService->ReleaseResource(this, aId, request->mResourceType);
+  mResourceRequests.Remove(aId);
+  return true;
+}
+
+bool
+MediaSystemResourceManagerParent::RecvRemoveResourceManager()
+{
+  return PMediaSystemResourceManagerParent::Send__delete__(this);
+}
+
+void
+MediaSystemResourceManagerParent::ActorDestroy(ActorDestroyReason aReason)
+{
+  MOZ_ASSERT(!mDestroyed);
+
+  // Release all resource requests of the MediaSystemResourceManagerParent.
+  // Clears all remaining pointers to this object. 
+  mMediaSystemResourceService->ReleaseResource(this);
+
+  mDestroyed = true;
+}
+
+} // namespace media
+} // namespace mozilla