1 files changed, 75 insertions, 0 deletions
diff --git a/dom/media/systemservices/MediaSystemResourceManagerParent.cpp b/dom/media/systemservices/MediaSystemResourceManagerParent.cpp
new file mode 100644
index 0000000000..ec20079abc
--- /dev/null
+++ b/dom/media/systemservices/MediaSystemResourceManagerParent.cpp
@@ -0,0 +1,75 @@
+/* -*- 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 "mozilla/layers/PImageBridgeParent.h"
+
+#include "MediaSystemResourceManagerParent.h"
+
+namespace mozilla::media {
+
+using namespace ipc;
+
+MediaSystemResourceManagerParent::MediaSystemResourceManagerParent()
+    : mDestroyed(false) {
+  mMediaSystemResourceService = MediaSystemResourceService::Get();
+}
+
+MediaSystemResourceManagerParent::~MediaSystemResourceManagerParent() {
+  MOZ_ASSERT(mDestroyed);
+}
+
+mozilla::ipc::IPCResult MediaSystemResourceManagerParent::RecvAcquire(
+    const uint32_t& aId, const MediaSystemResourceType& aResourceType,
+    const bool& aWillWait) {
+  mResourceRequests.WithEntryHandle(aId, [&](auto&& request) {
+    MOZ_ASSERT(!request);
+    if (request) {
+      // Send fail response
+      mozilla::Unused << SendResponse(aId, false /* fail */);
+      return;
+    }
+
+    request.Insert(MakeUnique<MediaSystemResourceRequest>(aId, aResourceType));
+    mMediaSystemResourceService->Acquire(this, aId, aResourceType, aWillWait);
+  });
+
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult MediaSystemResourceManagerParent::RecvRelease(
+    const uint32_t& aId) {
+  MediaSystemResourceRequest* request = mResourceRequests.Get(aId);
+  if (!request) {
+    return IPC_OK();
+  }
+
+  mMediaSystemResourceService->ReleaseResource(this, aId,
+                                               request->mResourceType);
+  mResourceRequests.Remove(aId);
+  return IPC_OK();
+}
+
+mozilla::ipc::IPCResult
+MediaSystemResourceManagerParent::RecvRemoveResourceManager() {
+  IProtocol* mgr = Manager();
+  if (!PMediaSystemResourceManagerParent::Send__delete__(this)) {
+    return IPC_FAIL_NO_REASON(mgr);
+  }
+  return IPC_OK();
+}
+
+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 mozilla::media