cc/tiled_layer_impl.h

   1 // Copyright 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CC_TILED_LAYER_IMPL_H_
   6 #define CC_TILED_LAYER_IMPL_H_
   7
   8 #include "cc/cc_export.h"
   9 #include "cc/layer_impl.h"
  10
  11 namespace cc {
  12
  13 class LayerTilingData;
  14 class DrawableTile;
  15
  16 class CC_EXPORT TiledLayerImpl : public LayerImpl {
  17 public:
  18     static scoped_ptr<TiledLayerImpl> create(LayerTreeImpl* treeImpl, int id)
  19     {
  20         return make_scoped_ptr(new TiledLayerImpl(treeImpl, id));
  21     }
  22     virtual ~TiledLayerImpl();
  23
  24     virtual void appendQuads(QuadSink&, AppendQuadsData&) OVERRIDE;
  25
  26     virtual ResourceProvider::ResourceId contentsResourceId() const OVERRIDE;
  27
  28     virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
  29
  30     void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
  31     void setTilingData(const LayerTilingData& tiler);
  32     void pushTileProperties(int, int, ResourceProvider::ResourceId, const gfx::Rect& opaqueRect, bool contentsSwizzled);
  33     void pushInvalidTile(int, int);
  34
  35     virtual Region visibleContentOpaqueRegion() const OVERRIDE;
  36     virtual void didLoseOutputSurface() OVERRIDE;
  37
  38 protected:
  39     TiledLayerImpl(LayerTreeImpl* treeImpl, int id);
  40     // Exposed for testing.
  41     bool hasTileAt(int, int) const;
  42     bool hasResourceIdForTileAt(int, int) const;
  43
  44     virtual void getDebugBorderProperties(SkColor*, float* width) const OVERRIDE;
  45
  46 private:
  47
  48     virtual const char* layerTypeAsString() const OVERRIDE;
  49
  50     DrawableTile* tileAt(int, int) const;
  51     DrawableTile* createTile(int, int);
  52
  53     bool m_skipsDraw;
  54
  55     scoped_ptr<LayerTilingData> m_tiler;
  56 };
  57
  58 }
  59
  60 #endif  // CC_TILED_LAYER_IMPL_H_