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