gecko-dev/gfx/layers/client/ClientColorLayer.cpp

76 строки
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "ClientLayerManager.h" // for ClientLayerManager, etc
#include "Layers.h" // for ColorLayer, etc
#include "mozilla/layers/LayersMessages.h" // for ColorLayerAttributes, etc
#include "mozilla/mozalloc.h" // for operator new
#include "nsCOMPtr.h" // for already_AddRefed
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for Layer::AddRef, etc
#include "nsRegion.h" // for nsIntRegion
namespace mozilla {
namespace layers {
using namespace mozilla::gfx;
class ClientColorLayer : public ColorLayer,
public ClientLayer {
public:
explicit ClientColorLayer(ClientLayerManager* aLayerManager) :
ColorLayer(aLayerManager, static_cast<ClientLayer*>(this))
{
MOZ_COUNT_CTOR(ClientColorLayer);
}
protected:
virtual ~ClientColorLayer()
{
MOZ_COUNT_DTOR(ClientColorLayer);
}
public:
virtual void SetVisibleRegion(const LayerIntRegion& aRegion) override
{
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
ColorLayer::SetVisibleRegion(aRegion);
}
virtual void RenderLayer() override
{
RenderMaskLayers(this);
}
virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) override
{
aAttrs = ColorLayerAttributes(GetColor(), GetBounds());
}
virtual Layer* AsLayer() override { return this; }
virtual ShadowableLayer* AsShadowableLayer() override { return this; }
protected:
ClientLayerManager* ClientManager()
{
return static_cast<ClientLayerManager*>(mManager);
}
};
already_AddRefed<ColorLayer>
ClientLayerManager::CreateColorLayer()
{
NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
RefPtr<ClientColorLayer> layer =
new ClientColorLayer(this);
CREATE_SHADOW(Color);
return layer.forget();
}
} // namespace layers
} // namespace mozilla