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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_CLIENTPAINTEDLAYER_H
#define GFX_CLIENTPAINTEDLAYER_H
#include "ClientLayerManager.h" // for ClientLayerManager, etc
#include "Layers.h" // for PaintedLayer, etc
#include "RotatedBuffer.h" // for RotatedBuffer, etc
#include "mozilla/Attributes.h" // for override
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/layers/ContentClient.h" // for ContentClient
#include "mozilla/mozalloc.h" // for operator delete
#include "nsDebug.h" // for NS_ASSERTION
#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
#include "nsRegion.h" // for nsIntRegion
#include "mozilla/layers/PLayerTransaction.h" // for PaintedLayerAttributes
namespace mozilla {
namespace gfx {
class DrawEventRecorderMemory;
class DrawTargetCapture;
}; // namespace gfx
namespace layers {
class CompositableClient;
class ShadowableLayer;
class SpecificLayerAttributes;
class ClientPaintedLayer : public PaintedLayer, public ClientLayer {
public:
typedef ContentClient::PaintState PaintState;
typedef ContentClient::ContentType ContentType;
explicit ClientPaintedLayer(
ClientLayerManager* aLayerManager,
LayerManager::PaintedLayerCreationHint aCreationHint = LayerManager::NONE)
: PaintedLayer(aLayerManager, static_cast<ClientLayer*>(this),
aCreationHint),
mContentClient(nullptr) {
MOZ_COUNT_CTOR(ClientPaintedLayer);
}
protected:
virtual ~ClientPaintedLayer() {
if (mContentClient) {
mContentClient->OnDetach();
mContentClient = nullptr;
}
MOZ_COUNT_DTOR(ClientPaintedLayer);
}
public:
void SetVisibleRegion(const LayerIntRegion& aRegion) override {
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
PaintedLayer::SetVisibleRegion(aRegion);
}
void InvalidateRegion(const nsIntRegion& aRegion) override {
NS_ASSERTION(ClientManager()->InConstruction(),
"Can only set properties in construction phase");
mInvalidRegion.Add(aRegion);
UpdateValidRegionAfterInvalidRegionChanged();
}
void RenderLayer() override { RenderLayerWithReadback(nullptr); }
void RenderLayerWithReadback(ReadbackProcessor* aReadback) override;
void ClearCachedResources() override {
if (mContentClient) {
mContentClient->Clear();
}
ClearValidRegion();
DestroyBackBuffer();
}
void HandleMemoryPressure() override {
if (mContentClient) {
mContentClient->HandleMemoryPressure();
}
}
void FillSpecificAttributes(SpecificLayerAttributes& aAttrs) override {
aAttrs = PaintedLayerAttributes(GetValidRegion());
}
ClientLayerManager* ClientManager() {
return static_cast<ClientLayerManager*>(mManager);
}
Layer* AsLayer() override { return this; }
ShadowableLayer* AsShadowableLayer() override { return this; }
CompositableClient* GetCompositableClient() override {
return mContentClient;
}
void Disconnect() override { mContentClient = nullptr; }
protected:
void RecordThebes();
bool HasMaskLayers();
bool EnsureContentClient();
uint32_t GetPaintFlags(ReadbackProcessor* aReadback);
void UpdateContentClient(PaintState& aState);
bool UpdatePaintRegion(PaintState& aState);
void FinishPaintState(PaintState& aState);
void PrintInfo(std::stringstream& aStream, const char* aPrefix) override;
void DestroyBackBuffer() { mContentClient = nullptr; }
RefPtr<ContentClient> mContentClient;
};
} // namespace layers
} // namespace mozilla
#endif
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