michael@0: /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef gfx_layers_ipc_ImageBridgeParent_h_
michael@0: #define gfx_layers_ipc_ImageBridgeParent_h_
michael@0: 
michael@0: #include <stddef.h>                     // for size_t
michael@0: #include <stdint.h>                     // for uint32_t, uint64_t
michael@0: #include "CompositableTransactionParent.h"
michael@0: #include "mozilla/Assertions.h"         // for MOZ_ASSERT_HELPER2
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/ipc/ProtocolUtils.h"
michael@0: #include "mozilla/ipc/SharedMemory.h"   // for SharedMemory, etc
michael@0: #include "mozilla/layers/PImageBridgeParent.h"
michael@0: #include "nsAutoPtr.h"                  // for nsRefPtr
michael@0: #include "nsISupportsImpl.h"
michael@0: #include "nsTArrayForwardDeclare.h"     // for InfallibleTArray
michael@0: 
michael@0: class MessageLoop;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace ipc {
michael@0: class Shmem;
michael@0: }
michael@0: 
michael@0: namespace layers {
michael@0: 
michael@0: /**
michael@0:  * ImageBridgeParent is the manager Protocol of ImageContainerParent.
michael@0:  * It's purpose is mainly to setup the IPDL connection. Most of the
michael@0:  * interesting stuff is in ImageContainerParent.
michael@0:  */
michael@0: class ImageBridgeParent : public PImageBridgeParent,
michael@0:                           public CompositableParentManager
michael@0: {
michael@0: public:
michael@0:   typedef InfallibleTArray<CompositableOperation> EditArray;
michael@0:   typedef InfallibleTArray<EditReply> EditReplyArray;
michael@0: 
michael@0:   ImageBridgeParent(MessageLoop* aLoop, Transport* aTransport);
michael@0:   ~ImageBridgeParent();
michael@0: 
michael@0:   virtual LayersBackend GetCompositorBackendType() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
michael@0: 
michael@0:   static PImageBridgeParent*
michael@0:   Create(Transport* aTransport, ProcessId aOtherProcess);
michael@0: 
michael@0:   virtual PGrallocBufferParent*
michael@0:   AllocPGrallocBufferParent(const IntSize&, const uint32_t&, const uint32_t&,
michael@0:                             MaybeMagicGrallocBufferHandle*) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool
michael@0:   DeallocPGrallocBufferParent(PGrallocBufferParent* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   // PImageBridge
michael@0:   virtual bool RecvUpdate(const EditArray& aEdits, EditReplyArray* aReply) MOZ_OVERRIDE;
michael@0:   virtual bool RecvUpdateNoSwap(const EditArray& aEdits) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsAsync() const MOZ_OVERRIDE { return true; }
michael@0: 
michael@0:   PCompositableParent* AllocPCompositableParent(const TextureInfo& aInfo,
michael@0:                                                 uint64_t*) MOZ_OVERRIDE;
michael@0:   bool DeallocPCompositableParent(PCompositableParent* aActor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual PTextureParent* AllocPTextureParent(const SurfaceDescriptor& aSharedData,
michael@0:                                               const TextureFlags& aFlags) MOZ_OVERRIDE;
michael@0:   virtual bool DeallocPTextureParent(PTextureParent* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   // Shutdown step 1
michael@0:   virtual bool RecvWillStop() MOZ_OVERRIDE;
michael@0:   // Shutdown step 2
michael@0:   virtual bool RecvStop() MOZ_OVERRIDE;
michael@0: 
michael@0:   MessageLoop * GetMessageLoop();
michael@0: 
michael@0: 
michael@0:   // ISurfaceAllocator
michael@0: 
michael@0:   bool AllocShmem(size_t aSize,
michael@0:                   ipc::SharedMemory::SharedMemoryType aType,
michael@0:                   ipc::Shmem* aShmem) MOZ_OVERRIDE
michael@0:   {
michael@0:     return AllocShmem(aSize, aType, aShmem);
michael@0:   }
michael@0: 
michael@0:   bool AllocUnsafeShmem(size_t aSize,
michael@0:                         ipc::SharedMemory::SharedMemoryType aType,
michael@0:                         ipc::Shmem* aShmem) MOZ_OVERRIDE
michael@0:   {
michael@0:     return AllocUnsafeShmem(aSize, aType, aShmem);
michael@0:   }
michael@0: 
michael@0:   void DeallocShmem(ipc::Shmem& aShmem) MOZ_OVERRIDE
michael@0:   {
michael@0:     PImageBridgeParent::DeallocShmem(aShmem);
michael@0:   }
michael@0: 
michael@0:   virtual bool IsSameProcess() const MOZ_OVERRIDE;
michael@0: 
michael@0:   // Overriden from IToplevelProtocol
michael@0:   IToplevelProtocol*
michael@0:   CloneToplevel(const InfallibleTArray<ProtocolFdMapping>& aFds,
michael@0:                 base::ProcessHandle aPeerProcess,
michael@0:                 mozilla::ipc::ProtocolCloneContext* aCtx) MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   void DeferredDestroy();
michael@0: 
michael@0:   MessageLoop* mMessageLoop;
michael@0:   Transport* mTransport;
michael@0:   // This keeps us alive until ActorDestroy(), at which point we do a
michael@0:   // deferred destruction of ourselves.
michael@0:   nsRefPtr<ImageBridgeParent> mSelfRef;
michael@0: };
michael@0: 
michael@0: } // layers
michael@0: } // mozilla
michael@0: 
michael@0: #endif // gfx_layers_ipc_ImageBridgeParent_h_