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// Copyright 2011 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 CC_LAYERS_TILED_LAYER_IMPL_H_
#define CC_LAYERS_TILED_LAYER_IMPL_H_
#include <string>
#include "cc/base/cc_export.h"
#include "cc/layers/layer_impl.h"
namespace cc {
class LayerTilingData;
class DrawableTile;
class CC_EXPORT TiledLayerImpl : public LayerImpl {
public:
static scoped_ptr<TiledLayerImpl> Create(LayerTreeImpl* tree_impl, int id) {
return make_scoped_ptr(
new TiledLayerImpl(tree_impl, id, new LayerImpl::SyncedScrollOffset));
}
static scoped_ptr<TiledLayerImpl> Create(
LayerTreeImpl* tree_impl,
int id,
scoped_refptr<LayerImpl::SyncedScrollOffset> synced_scroll_offset) {
return make_scoped_ptr(
new TiledLayerImpl(tree_impl, id, synced_scroll_offset));
}
~TiledLayerImpl() override;
scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
void PushPropertiesTo(LayerImpl* layer) override;
bool WillDraw(DrawMode draw_mode,
ResourceProvider* resource_provider) override;
void AppendQuads(RenderPass* render_pass,
AppendQuadsData* append_quads_data) override;
void GetContentsResourceId(ResourceProvider::ResourceId* resource_id,
gfx::Size* resource_size) const override;
void set_skips_draw(bool skips_draw) { skips_draw_ = skips_draw; }
void SetTilingData(const LayerTilingData& tiler);
void PushTileProperties(int i,
int j,
ResourceProvider::ResourceId resource,
bool contents_swizzled);
void PushInvalidTile(int i, int j);
SimpleEnclosedRegion VisibleContentOpaqueRegion() const override;
void ReleaseResources() override;
const LayerTilingData* TilingForTesting() const { return tiler_.get(); }
size_t GPUMemoryUsageInBytes() const override;
protected:
TiledLayerImpl(LayerTreeImpl* tree_impl, int id);
TiledLayerImpl(
LayerTreeImpl* tree_impl,
int id,
scoped_refptr<LayerImpl::SyncedScrollOffset> synced_scroll_offset);
// Exposed for testing.
bool HasTileAt(int i, int j) const;
bool HasResourceIdForTileAt(int i, int j) const;
void GetDebugBorderProperties(SkColor* color, float* width) const override;
void AsValueInto(base::trace_event::TracedValue* dict) const override;
private:
const char* LayerTypeAsString() const override;
DrawableTile* TileAt(int i, int j) const;
DrawableTile* CreateTile(int i, int j);
bool skips_draw_;
scoped_ptr<LayerTilingData> tiler_;
DISALLOW_COPY_AND_ASSIGN(TiledLayerImpl);
};
} // namespace cc
#endif // CC_LAYERS_TILED_LAYER_IMPL_H_
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