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/* -*- 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/. */
#ifndef GFX_CLIENTCANVASLAYER_H
#define GFX_CLIENTCANVASLAYER_H
#include "ClientCanvasRenderer.h"
#include "ClientLayerManager.h" // for ClientLayerManager, etc
#include "Layers.h" // for CanvasLayer, etc
#include "mozilla/Attributes.h" // for override
#include "mozilla/layers/CanvasClient.h" // for CanvasClient, etc
#include "mozilla/layers/LayersMessages.h" // for CanvasLayerAttributes, etc
#include "mozilla/mozalloc.h" // for operator delete
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
namespace mozilla {
namespace layers {
class CompositableClient;
class ShadowableLayer;
class ClientCanvasLayer : public CanvasLayer, public ClientLayer {
public:
explicit ClientCanvasLayer(ClientLayerManager* aLayerManager)
: CanvasLayer(aLayerManager, static_cast<ClientLayer*>(this)) {
MOZ_COUNT_CTOR(ClientCanvasLayer);
}
RefPtr<CanvasRenderer> CreateCanvasRendererInternal() override;
protected:
virtual ~ClientCanvasLayer();
public:
void SetVisibleRegion(const LayerIntRegion& aRegion) override {
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
CanvasLayer::SetVisibleRegion(aRegion);
}
void RenderLayer() override;
void ClearCachedResources() override {
mCanvasRenderer->ClearCachedResources();
}
void HandleMemoryPressure() override {
mCanvasRenderer->ClearCachedResources();
}
void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) override {
aAttrs = CanvasLayerAttributes(mSamplingFilter, mBounds);
}
Layer* AsLayer() override { return this; }
ShadowableLayer* AsShadowableLayer() override { return this; }
void Disconnect() override { mCanvasRenderer->DisconnectClient(); }
CompositableClient* GetCompositableClient() override {
ClientCanvasRenderer* canvasRenderer =
mCanvasRenderer->AsClientCanvasRenderer();
MOZ_ASSERT(canvasRenderer);
return canvasRenderer->GetCanvasClient();
}
protected:
ClientLayerManager* ClientManager() {
return static_cast<ClientLayerManager*>(mManager);
}
};
} // namespace layers
} // namespace mozilla
#endif
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