gecko/gfx/layers/client/ClientColorLayer.cpp

84 lines
2.3 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/. */
#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 "nsAutoPtr.h" // for nsRefPtr
#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*>(MOZ_THIS_IN_INITIALIZER_LIST()))
{
MOZ_COUNT_CTOR(ClientColorLayer);
}
protected:
virtual ~ClientColorLayer()
{
MOZ_COUNT_DTOR(ClientColorLayer);
}
public:
virtual void SetVisibleRegion(const nsIntRegion& aRegion)
{
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
ColorLayer::SetVisibleRegion(aRegion);
}
virtual void RenderLayer()
{
if (GetMaskLayer()) {
ToClientLayer(GetMaskLayer())->RenderLayer();
}
}
virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
{
aAttrs = ColorLayerAttributes(GetColor(), GetBounds());
}
virtual Layer* AsLayer() { return this; }
virtual ShadowableLayer* AsShadowableLayer() { return this; }
virtual void Disconnect()
{
ClientLayer::Disconnect();
}
protected:
ClientLayerManager* ClientManager()
{
return static_cast<ClientLayerManager*>(mManager);
}
};
already_AddRefed<ColorLayer>
ClientLayerManager::CreateColorLayer()
{
NS_ASSERTION(InConstruction(), "Only allowed in construction phase");
nsRefPtr<ClientColorLayer> layer =
new ClientColorLayer(this);
CREATE_SHADOW(Color);
return layer.forget();
}
}
}