gecko/gfx/layers/client/ClientCanvasLayer.h

104 lines
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 GFX_CLIENTCANVASLAYER_H
#define GFX_CLIENTCANVASLAYER_H
#include "mozilla/layers/CanvasClient.h" // for CanvasClient, etc
#include "ClientLayerManager.h" // for ClientLayerManager, etc
#include "CopyableCanvasLayer.h" // for CopyableCanvasLayer
#include "Layers.h" // for CanvasLayer, etc
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/layers/LayersMessages.h" // for CanvasLayerAttributes, etc
#include "mozilla/mozalloc.h" // for operator delete
#include "nsAutoPtr.h" // for nsRefPtr
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
#include "nsRegion.h" // for nsIntRegion
namespace mozilla {
namespace gl {
class SharedSurface;
class SurfaceFactory;
}
namespace layers {
class CompositableClient;
class ShadowableLayer;
class ClientCanvasLayer : public CopyableCanvasLayer,
public ClientLayer
{
typedef CanvasClient::CanvasClientType CanvasClientType;
public:
explicit ClientCanvasLayer(ClientLayerManager* aLayerManager) :
CopyableCanvasLayer(aLayerManager, static_cast<ClientLayer*>(this))
{
MOZ_COUNT_CTOR(ClientCanvasLayer);
}
protected:
virtual ~ClientCanvasLayer();
public:
virtual void SetVisibleRegion(const nsIntRegion& aRegion) MOZ_OVERRIDE
{
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
CanvasLayer::SetVisibleRegion(aRegion);
}
virtual void Initialize(const Data& aData) MOZ_OVERRIDE;
virtual void RenderLayer() MOZ_OVERRIDE;
virtual void ClearCachedResources() MOZ_OVERRIDE
{
if (mCanvasClient) {
mCanvasClient->Clear();
}
}
virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) MOZ_OVERRIDE
{
aAttrs = CanvasLayerAttributes(mFilter, mBounds);
}
virtual Layer* AsLayer() MOZ_OVERRIDE { return this; }
virtual ShadowableLayer* AsShadowableLayer() MOZ_OVERRIDE { return this; }
virtual void Disconnect() MOZ_OVERRIDE
{
mCanvasClient = nullptr;
ClientLayer::Disconnect();
}
virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE
{
return mCanvasClient;
}
protected:
ClientLayerManager* ClientManager()
{
return static_cast<ClientLayerManager*>(mManager);
}
CanvasClientType GetCanvasClientType();
RefPtr<CanvasClient> mCanvasClient;
UniquePtr<gl::SurfaceFactory> mFactory;
friend class DeprecatedCanvasClient2D;
friend class CanvasClient2D;
friend class CanvasClientSharedSurface;
};
}
}
#endif