зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.4 KiB
C++
91 строка
2.4 KiB
C++
/* -*- 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 override
|
|
#include "mozilla/ipc/ProtocolUtils.h"
|
|
#include "mozilla/layers/PLayerTransactionChild.h"
|
|
#include "mozilla/RefPtr.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace layout {
|
|
class RenderFrameChild;
|
|
} // namespace layout
|
|
|
|
namespace layers {
|
|
|
|
class ShadowLayerForwarder;
|
|
|
|
class LayerTransactionChild : public PLayerTransactionChild
|
|
{
|
|
public:
|
|
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(LayerTransactionChild)
|
|
/**
|
|
* Clean this up, finishing with SendShutDown() which will cause __delete__
|
|
* to be sent from the parent side.
|
|
*
|
|
* 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 && !mDestroyed; }
|
|
bool IsDestroyed() const { return mDestroyed; }
|
|
|
|
void SetForwarder(ShadowLayerForwarder* aForwarder)
|
|
{
|
|
mForwarder = aForwarder;
|
|
}
|
|
|
|
uint64_t GetId() const { return mId; }
|
|
|
|
protected:
|
|
explicit LayerTransactionChild(const uint64_t& aId)
|
|
: mForwarder(nullptr)
|
|
, mIPCOpen(false)
|
|
, mDestroyed(false)
|
|
, mId(aId)
|
|
{}
|
|
~LayerTransactionChild() { }
|
|
|
|
virtual PLayerChild* AllocPLayerChild() override;
|
|
virtual bool DeallocPLayerChild(PLayerChild* actor) override;
|
|
|
|
virtual PCompositableChild* AllocPCompositableChild(const TextureInfo& aInfo) override;
|
|
virtual bool DeallocPCompositableChild(PCompositableChild* actor) override;
|
|
|
|
virtual void ActorDestroy(ActorDestroyReason why) override;
|
|
|
|
void AddIPDLReference() {
|
|
MOZ_ASSERT(mIPCOpen == false);
|
|
mIPCOpen = true;
|
|
AddRef();
|
|
}
|
|
void ReleaseIPDLReference() {
|
|
MOZ_ASSERT(mIPCOpen == true);
|
|
mIPCOpen = false;
|
|
Release();
|
|
}
|
|
friend class CompositorBridgeChild;
|
|
friend class layout::RenderFrameChild;
|
|
|
|
ShadowLayerForwarder* mForwarder;
|
|
bool mIPCOpen;
|
|
bool mDestroyed;
|
|
uint64_t mId;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif // MOZILLA_LAYERS_LAYERTRANSACTIONCHILD_H
|