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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CONTENT_LAYER_CLIENT_IMPL_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CONTENT_LAYER_CLIENT_IMPL_H_
#include "base/macros.h"
#include "cc/layers/content_layer_client.h"
#include "cc/layers/picture_layer.h"
#include "third_party/blink/renderer/platform/graphics/compositing/layers_as_json.h"
#include "third_party/blink/renderer/platform/graphics/graphics_layer_client.h"
#include "third_party/blink/renderer/platform/graphics/paint/raster_invalidator.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class JSONArray;
class JSONObject;
class PaintArtifact;
class PaintChunkSubset;
class PLATFORM_EXPORT ContentLayerClientImpl : public cc::ContentLayerClient,
public LayerAsJSONClient {
USING_FAST_MALLOC(ContentLayerClientImpl);
public:
ContentLayerClientImpl();
~ContentLayerClientImpl() override;
// cc::ContentLayerClient
gfx::Rect PaintableRegion() override {
return gfx::Rect(raster_invalidator_.LayerBounds().size());
}
scoped_refptr<cc::DisplayItemList> PaintContentsToDisplayList(
PaintingControlSetting) override {
return cc_display_item_list_;
}
bool FillsBoundsCompletely() const override { return false; }
size_t GetApproximateUnsharedMemoryUsage() const override {
// TODO(jbroman): Actually calculate memory usage.
return 0;
}
// LayerAsJSONClient implementation
void AppendAdditionalInfoAsJSON(LayerTreeFlags,
const cc::Layer&,
JSONObject&) const override;
const cc::Layer& Layer() const { return *cc_picture_layer_.get(); }
const PropertyTreeState& State() const { return layer_state_; }
bool Matches(const PaintChunk& paint_chunk) const {
return id_ && paint_chunk.Matches(*id_);
}
scoped_refptr<cc::PictureLayer> UpdateCcPictureLayer(
scoped_refptr<const PaintArtifact>,
const PaintChunkSubset&,
const gfx::Rect& layer_bounds,
const PropertyTreeState&);
RasterInvalidator& GetRasterInvalidator() { return raster_invalidator_; }
private:
// Callback from raster_invalidator_.
void InvalidateRect(const IntRect& rect) {
cc_picture_layer_->SetNeedsDisplayRect(rect);
}
base::Optional<PaintChunk::Id> id_;
scoped_refptr<cc::PictureLayer> cc_picture_layer_;
scoped_refptr<cc::DisplayItemList> cc_display_item_list_;
RasterInvalidator raster_invalidator_;
PropertyTreeState layer_state_;
String debug_name_;
#if DCHECK_IS_ON()
std::unique_ptr<JSONArray> paint_chunk_debug_data_;
#endif
DISALLOW_COPY_AND_ASSIGN(ContentLayerClientImpl);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CONTENT_LAYER_CLIENT_IMPL_H_
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