michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * vim: sw=2 ts=8 et :
michael@0:  */
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 MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
michael@0: #define MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
michael@0: 
michael@0: #include <stdint.h>                     // for uint32_t
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/ipc/ProtocolUtils.h"
michael@0: #include "mozilla/layers/PLayerTransactionChild.h"
michael@0: #include "mozilla/RefPtr.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: namespace layout {
michael@0: class RenderFrameChild;
michael@0: }
michael@0: 
michael@0: namespace layers {
michael@0: 
michael@0: class LayerTransactionChild : public PLayerTransactionChild
michael@0: {
michael@0: public:
michael@0:   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(LayerTransactionChild)
michael@0:   /**
michael@0:    * Clean this up, finishing with Send__delete__().
michael@0:    *
michael@0:    * It is expected (checked with an assert) that all shadow layers
michael@0:    * created by this have already been destroyed and
michael@0:    * Send__delete__()d by the time this method is called.
michael@0:    */
michael@0:   void Destroy();
michael@0: 
michael@0:   bool IPCOpen() const { return mIPCOpen; }
michael@0: 
michael@0: protected:
michael@0:   LayerTransactionChild()
michael@0:     : mIPCOpen(false)
michael@0:   {}
michael@0:   ~LayerTransactionChild() { }
michael@0: 
michael@0:   virtual PGrallocBufferChild*
michael@0:   AllocPGrallocBufferChild(const IntSize&,
michael@0:                            const uint32_t&, const uint32_t&,
michael@0:                            MaybeMagicGrallocBufferHandle*) MOZ_OVERRIDE;
michael@0:   virtual bool
michael@0:   DeallocPGrallocBufferChild(PGrallocBufferChild* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual PLayerChild* AllocPLayerChild() MOZ_OVERRIDE;
michael@0:   virtual bool DeallocPLayerChild(PLayerChild* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual PCompositableChild* AllocPCompositableChild(const TextureInfo& aInfo) MOZ_OVERRIDE;
michael@0:   virtual bool DeallocPCompositableChild(PCompositableChild* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual PTextureChild* AllocPTextureChild(const SurfaceDescriptor& aSharedData,
michael@0:                                             const TextureFlags& aFlags) MOZ_OVERRIDE;
michael@0:   virtual bool DeallocPTextureChild(PTextureChild* actor) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE;
michael@0: 
michael@0:   void AddIPDLReference() {
michael@0:     MOZ_ASSERT(mIPCOpen == false);
michael@0:     mIPCOpen = true;
michael@0:     AddRef();
michael@0:   }
michael@0:   void ReleaseIPDLReference() {
michael@0:     MOZ_ASSERT(mIPCOpen == true);
michael@0:     mIPCOpen = false;
michael@0:     Release();
michael@0:   }
michael@0:   friend class CompositorChild;
michael@0:   friend class layout::RenderFrameChild;
michael@0: 
michael@0:   bool mIPCOpen;
michael@0: };
michael@0: 
michael@0: } // namespace layers
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H