1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/ipc/LayerTransactionChild.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,84 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=8 et :
1.6 + */
1.7 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.8 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.9 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.10 +
1.11 +#ifndef MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
1.12 +#define MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
1.13 +
1.14 +#include <stdint.h> // for uint32_t
1.15 +#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
1.16 +#include "mozilla/ipc/ProtocolUtils.h"
1.17 +#include "mozilla/layers/PLayerTransactionChild.h"
1.18 +#include "mozilla/RefPtr.h"
1.19 +
1.20 +namespace mozilla {
1.21 +
1.22 +namespace layout {
1.23 +class RenderFrameChild;
1.24 +}
1.25 +
1.26 +namespace layers {
1.27 +
1.28 +class LayerTransactionChild : public PLayerTransactionChild
1.29 +{
1.30 +public:
1.31 + NS_INLINE_DECL_THREADSAFE_REFCOUNTING(LayerTransactionChild)
1.32 + /**
1.33 + * Clean this up, finishing with Send__delete__().
1.34 + *
1.35 + * It is expected (checked with an assert) that all shadow layers
1.36 + * created by this have already been destroyed and
1.37 + * Send__delete__()d by the time this method is called.
1.38 + */
1.39 + void Destroy();
1.40 +
1.41 + bool IPCOpen() const { return mIPCOpen; }
1.42 +
1.43 +protected:
1.44 + LayerTransactionChild()
1.45 + : mIPCOpen(false)
1.46 + {}
1.47 + ~LayerTransactionChild() { }
1.48 +
1.49 + virtual PGrallocBufferChild*
1.50 + AllocPGrallocBufferChild(const IntSize&,
1.51 + const uint32_t&, const uint32_t&,
1.52 + MaybeMagicGrallocBufferHandle*) MOZ_OVERRIDE;
1.53 + virtual bool
1.54 + DeallocPGrallocBufferChild(PGrallocBufferChild* actor) MOZ_OVERRIDE;
1.55 +
1.56 + virtual PLayerChild* AllocPLayerChild() MOZ_OVERRIDE;
1.57 + virtual bool DeallocPLayerChild(PLayerChild* actor) MOZ_OVERRIDE;
1.58 +
1.59 + virtual PCompositableChild* AllocPCompositableChild(const TextureInfo& aInfo) MOZ_OVERRIDE;
1.60 + virtual bool DeallocPCompositableChild(PCompositableChild* actor) MOZ_OVERRIDE;
1.61 +
1.62 + virtual PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
1.63 + const TextureFlags& aFlags) MOZ_OVERRIDE;
1.64 + virtual bool DeallocPTextureChild(PTextureChild* actor) MOZ_OVERRIDE;
1.65 +
1.66 + virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
1.67 +
1.68 + void AddIPDLReference() {
1.69 + MOZ_ASSERT(mIPCOpen == false);
1.70 + mIPCOpen = true;
1.71 + AddRef();
1.72 + }
1.73 + void ReleaseIPDLReference() {
1.74 + MOZ_ASSERT(mIPCOpen == true);
1.75 + mIPCOpen = false;
1.76 + Release();
1.77 + }
1.78 + friend class CompositorChild;
1.79 + friend class layout::RenderFrameChild;
1.80 +
1.81 + bool mIPCOpen;
1.82 +};
1.83 +
1.84 +} // namespace layers
1.85 +} // namespace mozilla
1.86 +
1.87 +#endif // MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
