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-rw-r--r--dom/media/systemservices/MediaParent.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/dom/media/systemservices/MediaParent.h b/dom/media/systemservices/MediaParent.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et ft=cpp : */
+/* 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_MediaParent_h
+#define mozilla_MediaParent_h
+
+#include "MediaChild.h"
+
+#include "mozilla/media/PMediaParent.h"
+
+namespace mozilla::media {
+
+// media::Parent implements the chrome-process side of ipc for media::Child APIs
+// A same-process version may also be created to service non-e10s calls.
+
+class OriginKeyStore;
+
+class NonE10s {
+ typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
+
+ public:
+ virtual ~NonE10s() = default;
+
+ protected:
+ virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
+ const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
+ PMediaParent::GetPrincipalKeyResolver&& aResolve) = 0;
+ virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
+ const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) = 0;
+ virtual void ActorDestroy(ActorDestroyReason aWhy) = 0;
+};
+
+/**
+ * Dummy class to avoid a templated class being passed to the refcounting macro
+ * (see Bug 1334421 for what happens then)
+ */
+class RefCountedParent {
+ public:
+ NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RefCountedParent)
+
+ protected:
+ virtual ~RefCountedParent() = default;
+};
+
+// Super = PMediaParent or NonE10s
+
+template <class Super>
+class Parent : public RefCountedParent, public Super {
+ typedef mozilla::ipc::IProtocol::ActorDestroyReason ActorDestroyReason;
+
+ public:
+ virtual mozilla::ipc::IPCResult RecvGetPrincipalKey(
+ const mozilla::ipc::PrincipalInfo& aPrincipalInfo, const bool& aPersist,
+ PMediaParent::GetPrincipalKeyResolver&& aResolve) override;
+ virtual mozilla::ipc::IPCResult RecvSanitizeOriginKeys(
+ const uint64_t& aSinceWhen, const bool& aOnlyPrivateBrowsing) override;
+ virtual void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ Parent();
+
+ private:
+ virtual ~Parent();
+
+ RefPtr<OriginKeyStore> mOriginKeyStore;
+ bool mDestroyed;
+};
+
+template <class Parent>
+mozilla::ipc::IPCResult IPCResult(Parent* aSelf, bool aSuccess);
+
+template <>
+inline mozilla::ipc::IPCResult IPCResult(Parent<PMediaParent>* aSelf,
+ bool aSuccess) {
+ return aSuccess ? IPC_OK() : IPC_FAIL_NO_REASON(aSelf);
+}
+
+template <>
+inline mozilla::ipc::IPCResult IPCResult(Parent<NonE10s>* aSelf,
+ bool aSuccess) {
+ return IPC_OK();
+}
+
+PMediaParent* AllocPMediaParent();
+bool DeallocPMediaParent(PMediaParent* aActor);
+
+} // namespace mozilla::media
+
+#endif // mozilla_MediaParent_h