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// Copyright 2012 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_PICTURE_LAYER_IMPL_H_
#define CC_PICTURE_LAYER_IMPL_H_
#include "cc/layer_impl.h"
#include "cc/picture_layer_tiling.h"
#include "cc/picture_layer_tiling_set.h"
#include "cc/picture_pile_impl.h"
#include "cc/scoped_ptr_vector.h"
#include "skia/ext/refptr.h"
#include "third_party/skia/include/core/SkPicture.h"
namespace cc {
struct AppendQuadsData;
class QuadSink;
class CC_EXPORT PictureLayerImpl : public LayerImpl,
public PictureLayerTilingClient {
public:
static scoped_ptr<PictureLayerImpl> create(LayerTreeImpl* treeImpl, int id)
{
return make_scoped_ptr(new PictureLayerImpl(treeImpl, id));
}
virtual ~PictureLayerImpl();
// LayerImpl overrides.
virtual const char* layerTypeAsString() const OVERRIDE;
virtual scoped_ptr<LayerImpl> createLayerImpl(
LayerTreeImpl* treeImpl) OVERRIDE;
virtual void pushPropertiesTo(LayerImpl* layer) OVERRIDE;
virtual void appendQuads(QuadSink&, AppendQuadsData&) OVERRIDE;
virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
virtual void updateTilePriorities() OVERRIDE;
virtual void didBecomeActive() OVERRIDE;
virtual void didLoseOutputSurface() OVERRIDE;
virtual void calculateContentsScale(
float ideal_contents_scale,
float* contents_scale_x,
float* contents_scale_y,
gfx::Size* content_bounds) OVERRIDE;
virtual skia::RefPtr<SkPicture> getPicture() OVERRIDE;
// PictureLayerTilingClient overrides.
virtual scoped_refptr<Tile> CreateTile(PictureLayerTiling* tiling,
gfx::Rect content_rect) OVERRIDE;
virtual void UpdatePile(Tile* tile) OVERRIDE;
virtual gfx::Size CalculateTileSize(
gfx::Size current_tile_size,
gfx::Size content_bounds) OVERRIDE;
// PushPropertiesTo active tree => pending tree
void SyncFromActiveLayer();
void SyncTiling(
const PictureLayerTiling* tiling,
const Region& pending_layer_invalidation);
void CreateTilingSet();
void TransferTilingSet(scoped_ptr<PictureLayerTilingSet> tilings);
// Mask-related functions
void SetIsMask(bool is_mask);
virtual ResourceProvider::ResourceId contentsResourceId() const OVERRIDE;
virtual bool areVisibleResourcesReady() const OVERRIDE;
protected:
PictureLayerImpl(LayerTreeImpl* treeImpl, int id);
PictureLayerTiling* AddTiling(float contents_scale);
void SyncFromActiveLayer(const PictureLayerImpl* other);
void ManageTilings(float ideal_contents_scale);
void CleanUpUnusedTilings(std::vector<PictureLayerTiling*> used_tilings);
virtual void getDebugBorderProperties(
SkColor* color, float* width) const OVERRIDE;
scoped_ptr<PictureLayerTilingSet> tilings_;
scoped_refptr<PicturePileImpl> pile_;
Region invalidation_;
gfx::Transform last_screen_space_transform_;
gfx::Size last_bounds_;
gfx::Size last_content_bounds_;
float last_content_scale_;
float ideal_contents_scale_;
bool is_mask_;
friend class PictureLayer;
DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl);
};
}
#endif // CC_PICTURE_LAYER_IMPL_H_
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