1 files changed, 117 insertions, 0 deletions
diff --git a/cc/tiles/tile.h b/cc/tiles/tile.h
new file mode 100644
index 0000000..68c4fc1
--- /dev/null
+++ b/cc/tiles/tile.h
@@ -0,0 +1,117 @@
+// 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_TILES_TILE_H_
+#define CC_TILES_TILE_H_
+
+#include "base/memory/ref_counted.h"
+#include "cc/tiles/tile_draw_info.h"
+#include "ui/gfx/geometry/rect.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace cc {
+
+class PrioritizedTile;
+class TileManager;
+struct TilePriority;
+
+class CC_EXPORT Tile {
+ public:
+  class CC_EXPORT Deleter {
+   public:
+    void operator()(Tile* tile) const;
+  };
+
+  enum TileRasterFlags { USE_PICTURE_ANALYSIS = 1 << 0 };
+
+  typedef uint64 Id;
+
+  Id id() const {
+    return id_;
+  }
+
+  // TODO(vmpstr): Move this to the iterators.
+  bool required_for_activation() const { return required_for_activation_; }
+  void set_required_for_activation(bool is_required) {
+    required_for_activation_ = is_required;
+  }
+  bool required_for_draw() const { return required_for_draw_; }
+  void set_required_for_draw(bool is_required) {
+    required_for_draw_ = is_required;
+  }
+
+  bool use_picture_analysis() const {
+    return !!(flags_ & USE_PICTURE_ANALYSIS);
+  }
+
+  void AsValueInto(base::trace_event::TracedValue* value) const;
+
+  const TileDrawInfo& draw_info() const { return draw_info_; }
+  TileDrawInfo& draw_info() { return draw_info_; }
+
+  float contents_scale() const { return contents_scale_; }
+  gfx::Rect content_rect() const { return content_rect_; }
+
+  int layer_id() const { return layer_id_; }
+
+  int source_frame_number() const { return source_frame_number_; }
+
+  size_t GPUMemoryUsageInBytes() const;
+
+  gfx::Size desired_texture_size() const { return desired_texture_size_; }
+
+  void set_tiling_index(int i, int j) {
+    tiling_i_index_ = i;
+    tiling_j_index_ = j;
+  }
+  int tiling_i_index() const { return tiling_i_index_; }
+  int tiling_j_index() const { return tiling_j_index_; }
+
+ private:
+  friend class TileManager;
+  friend class FakeTileManager;
+  friend class FakePictureLayerImpl;
+
+  // Methods called by by tile manager.
+  Tile(TileManager* tile_manager,
+       const gfx::Size& desired_texture_size,
+       const gfx::Rect& content_rect,
+       float contents_scale,
+       int layer_id,
+       int source_frame_number,
+       int flags);
+  ~Tile();
+
+  bool HasRasterTask() const { return !!raster_task_.get(); }
+
+  TileManager* tile_manager_;
+  gfx::Size desired_texture_size_;
+  gfx::Rect content_rect_;
+  float contents_scale_;
+
+  TileDrawInfo draw_info_;
+
+  int layer_id_;
+  int source_frame_number_;
+  int flags_;
+  int tiling_i_index_;
+  int tiling_j_index_;
+  bool required_for_activation_ : 1;
+  bool required_for_draw_ : 1;
+
+  Id id_;
+  static Id s_next_id_;
+
+  unsigned scheduled_priority_;
+
+  scoped_refptr<RasterTask> raster_task_;
+
+  DISALLOW_COPY_AND_ASSIGN(Tile);
+};
+
+using ScopedTilePtr = scoped_ptr<Tile, Tile::Deleter>;
+
+}  // namespace cc
+
+#endif  // CC_TILES_TILE_H_