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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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_LAYERS_LAYERTRANSACTIONCHILD_H
#define MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
#include <stdint.h> // for uint32_t
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
#include "mozilla/ipc/ProtocolUtils.h"
#include "mozilla/layers/AsyncTransactionTracker.h" // for AsyncTransactionTracker
#include "mozilla/layers/PLayerTransactionChild.h"
#include "mozilla/RefPtr.h"
namespace mozilla {
namespace layout {
class RenderFrameChild;
class ShadowLayerForwarder;
}
namespace layers {
class LayerTransactionChild : public PLayerTransactionChild
, public AsyncTransactionTrackersHolder
{
typedef InfallibleTArray<AsyncParentMessageData> AsyncParentMessageArray;
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(LayerTransactionChild)
/**
* Clean this up, finishing with Send__delete__().
*
* It is expected (checked with an assert) that all shadow layers
* created by this have already been destroyed and
* Send__delete__()d by the time this method is called.
*/
void Destroy();
bool IPCOpen() const { return mIPCOpen; }
void SetHasNoCompositor() { mHasNoCompositor = true; }
bool HasNoCompositor() { return mHasNoCompositor; }
void SetForwarder(ShadowLayerForwarder* aForwarder)
{
mForwarder = aForwarder;
}
virtual void SendFenceHandle(AsyncTransactionTracker* aTracker,
PTextureChild* aTexture,
const FenceHandle& aFence);
protected:
LayerTransactionChild()
: mForwarder(nullptr)
, mIPCOpen(false)
, mDestroyed(false)
, mHasNoCompositor(false)
{}
~LayerTransactionChild() { }
virtual PLayerChild* AllocPLayerChild() MOZ_OVERRIDE;
virtual bool DeallocPLayerChild(PLayerChild* actor) MOZ_OVERRIDE;
virtual PCompositableChild* AllocPCompositableChild(const TextureInfo& aInfo) MOZ_OVERRIDE;
virtual bool DeallocPCompositableChild(PCompositableChild* actor) MOZ_OVERRIDE;
virtual PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
const TextureFlags& aFlags) MOZ_OVERRIDE;
virtual bool DeallocPTextureChild(PTextureChild* actor) MOZ_OVERRIDE;
virtual bool
RecvParentAsyncMessages(const InfallibleTArray<AsyncParentMessageData>& aMessages) MOZ_OVERRIDE;
virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
void AddIPDLReference() {
MOZ_ASSERT(mIPCOpen == false);
mIPCOpen = true;
AddRef();
}
void ReleaseIPDLReference() {
MOZ_ASSERT(mIPCOpen == true);
mIPCOpen = false;
Release();
}
friend class CompositorChild;
friend class layout::RenderFrameChild;
ShadowLayerForwarder* mForwarder;
bool mIPCOpen;
bool mDestroyed;
bool mHasNoCompositor;
};
} // namespace layers
} // namespace mozilla
#endif // MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
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