1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/ipc/ImageBridgeParent.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,123 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef gfx_layers_ipc_ImageBridgeParent_h_
1.10 +#define gfx_layers_ipc_ImageBridgeParent_h_
1.11 +
1.12 +#include <stddef.h> // for size_t
1.13 +#include <stdint.h> // for uint32_t, uint64_t
1.14 +#include "CompositableTransactionParent.h"
1.15 +#include "mozilla/Assertions.h" // for MOZ_ASSERT_HELPER2
1.16 +#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
1.17 +#include "mozilla/ipc/ProtocolUtils.h"
1.18 +#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc
1.19 +#include "mozilla/layers/PImageBridgeParent.h"
1.20 +#include "nsAutoPtr.h" // for nsRefPtr
1.21 +#include "nsISupportsImpl.h"
1.22 +#include "nsTArrayForwardDeclare.h" // for InfallibleTArray
1.23 +
1.24 +class MessageLoop;
1.25 +
1.26 +namespace mozilla {
1.27 +namespace ipc {
1.28 +class Shmem;
1.29 +}
1.30 +
1.31 +namespace layers {
1.32 +
1.33 +/**
1.34 + * ImageBridgeParent is the manager Protocol of ImageContainerParent.
1.35 + * It's purpose is mainly to setup the IPDL connection. Most of the
1.36 + * interesting stuff is in ImageContainerParent.
1.37 + */
1.38 +class ImageBridgeParent : public PImageBridgeParent,
1.39 + public CompositableParentManager
1.40 +{
1.41 +public:
1.42 + typedef InfallibleTArray<CompositableOperation> EditArray;
1.43 + typedef InfallibleTArray<EditReply> EditReplyArray;
1.44 +
1.45 + ImageBridgeParent(MessageLoop* aLoop, Transport* aTransport);
1.46 + ~ImageBridgeParent();
1.47 +
1.48 + virtual LayersBackend GetCompositorBackendType() const MOZ_OVERRIDE;
1.49 +
1.50 + virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
1.51 +
1.52 + static PImageBridgeParent*
1.53 + Create(Transport* aTransport, ProcessId aOtherProcess);
1.54 +
1.55 + virtual PGrallocBufferParent*
1.56 + AllocPGrallocBufferParent(const IntSize&, const uint32_t&, const uint32_t&,
1.57 + MaybeMagicGrallocBufferHandle*) MOZ_OVERRIDE;
1.58 +
1.59 + virtual bool
1.60 + DeallocPGrallocBufferParent(PGrallocBufferParent* actor) MOZ_OVERRIDE;
1.61 +
1.62 + // PImageBridge
1.63 + virtual bool RecvUpdate(const EditArray& aEdits, EditReplyArray* aReply) MOZ_OVERRIDE;
1.64 + virtual bool RecvUpdateNoSwap(const EditArray& aEdits) MOZ_OVERRIDE;
1.65 +
1.66 + virtual bool IsAsync() const MOZ_OVERRIDE { return true; }
1.67 +
1.68 + PCompositableParent* AllocPCompositableParent(const TextureInfo& aInfo,
1.69 + uint64_t*) MOZ_OVERRIDE;
1.70 + bool DeallocPCompositableParent(PCompositableParent* aActor) MOZ_OVERRIDE;
1.71 +
1.72 + virtual PTextureParent* AllocPTextureParent(const SurfaceDescriptor& aSharedData,
1.73 + const TextureFlags& aFlags) MOZ_OVERRIDE;
1.74 + virtual bool DeallocPTextureParent(PTextureParent* actor) MOZ_OVERRIDE;
1.75 +
1.76 + // Shutdown step 1
1.77 + virtual bool RecvWillStop() MOZ_OVERRIDE;
1.78 + // Shutdown step 2
1.79 + virtual bool RecvStop() MOZ_OVERRIDE;
1.80 +
1.81 + MessageLoop * GetMessageLoop();
1.82 +
1.83 +
1.84 + // ISurfaceAllocator
1.85 +
1.86 + bool AllocShmem(size_t aSize,
1.87 + ipc::SharedMemory::SharedMemoryType aType,
1.88 + ipc::Shmem* aShmem) MOZ_OVERRIDE
1.89 + {
1.90 + return AllocShmem(aSize, aType, aShmem);
1.91 + }
1.92 +
1.93 + bool AllocUnsafeShmem(size_t aSize,
1.94 + ipc::SharedMemory::SharedMemoryType aType,
1.95 + ipc::Shmem* aShmem) MOZ_OVERRIDE
1.96 + {
1.97 + return AllocUnsafeShmem(aSize, aType, aShmem);
1.98 + }
1.99 +
1.100 + void DeallocShmem(ipc::Shmem& aShmem) MOZ_OVERRIDE
1.101 + {
1.102 + PImageBridgeParent::DeallocShmem(aShmem);
1.103 + }
1.104 +
1.105 + virtual bool IsSameProcess() const MOZ_OVERRIDE;
1.106 +
1.107 + // Overriden from IToplevelProtocol
1.108 + IToplevelProtocol*
1.109 + CloneToplevel(const InfallibleTArray<ProtocolFdMapping>& aFds,
1.110 + base::ProcessHandle aPeerProcess,
1.111 + mozilla::ipc::ProtocolCloneContext* aCtx) MOZ_OVERRIDE;
1.112 +
1.113 +private:
1.114 + void DeferredDestroy();
1.115 +
1.116 + MessageLoop* mMessageLoop;
1.117 + Transport* mTransport;
1.118 + // This keeps us alive until ActorDestroy(), at which point we do a
1.119 + // deferred destruction of ourselves.
1.120 + nsRefPtr<ImageBridgeParent> mSelfRef;
1.121 +};
1.122 +
1.123 +} // layers
1.124 +} // mozilla
1.125 +
1.126 +#endif // gfx_layers_ipc_ImageBridgeParent_h_
