Part 10 of cc/ directory shuffles: layers

cc/picture_layer_impl.h

-// 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/base/scoped_ptr_vector.h"
-#include "cc/layer_impl.h"
-#include "cc/resources/picture_layer_tiling.h"
-#include "cc/resources/picture_layer_tiling_set.h"
-#include "cc/resources/picture_pile_impl.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* tree_impl, int id) {
-    return make_scoped_ptr(new PictureLayerImpl(tree_impl, id));
-  }
-  virtual ~PictureLayerImpl();
-
-  // LayerImpl overrides.
-  virtual const char* LayerTypeAsString() const OVERRIDE;
-  virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
-      OVERRIDE;
-  virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
-  virtual void AppendQuads(QuadSink* quad_sink,
-                           AppendQuadsData* append_quads_data) OVERRIDE;
-  virtual void DumpLayerProperties(std::string* str, int indent) const OVERRIDE;
-  virtual void UpdateTilePriorities() OVERRIDE;
-  virtual void DidBecomeActive() OVERRIDE;
-  virtual void DidLoseOutputSurface() OVERRIDE;
-  virtual void CalculateContentsScale(float ideal_contents_scale,
-                                      bool animating_transform_to_screen,
-                                      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;
-
-  virtual scoped_ptr<base::Value> AsValue() const OVERRIDE;
-
- protected:
-  PictureLayerImpl(LayerTreeImpl* tree_impl, int id);
-  PictureLayerTiling* AddTiling(float contents_scale);
-  void RemoveTiling(float contents_scale);
-  void SyncFromActiveLayer(const PictureLayerImpl* other);
-  void ManageTilings(bool animating_transform_to_screen);
-  virtual void CalculateRasterContentsScale(
-      bool animating_transform_to_screen,
-      float* raster_contents_scale,
-      float* low_res_raster_contents_scale);
-  void CleanUpTilingsOnActiveLayer(
-      std::vector<PictureLayerTiling*> used_tilings);
-  PictureLayerImpl* PendingTwin() const;
-  PictureLayerImpl* ActiveTwin() const;
-  float MinimumContentsScale() const;
-
-  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_;
-  float last_content_scale_;
-  float ideal_contents_scale_;
-  bool is_mask_;
-
-  float ideal_page_scale_;
-  float ideal_device_scale_;
-  float ideal_source_scale_;
-
-  float raster_page_scale_;
-  float raster_device_scale_;
-  float raster_source_scale_;
-  bool raster_source_scale_was_animating_;
-
-  friend class PictureLayer;
-  DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl);
-};
-
-}
-
-#endif  // CC_PICTURE_LAYER_IMPL_H_