cc/CCTiledLayerImpl.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 CCTiledLayerImpl_h
   6 #define CCTiledLayerImpl_h
   7
   8 #include "CCLayerImpl.h"
   9 #include <public/WebTransformationMatrix.h>
  10
  11 namespace WebCore {
  12
  13 class CCLayerTilingData;
  14 class DrawableTile;
  15
  16 class CCTiledLayerImpl : public CCLayerImpl {
  17 public:
  18     static PassOwnPtr<CCTiledLayerImpl> create(int id)
  19     {
  20         return adoptPtr(new CCTiledLayerImpl(id));
  21     }
  22     virtual ~CCTiledLayerImpl();
  23
  24     virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
  25
  26     virtual CCResourceProvider::ResourceId contentsResourceId() const OVERRIDE;
  27
  28     virtual void dumpLayerProperties(TextStream&, int indent) const OVERRIDE;
  29
  30     void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
  31     void setTilingData(const CCLayerTilingData& tiler);
  32     void pushTileProperties(int, int, CCResourceProvider::ResourceId, const IntRect& opaqueRect);
  33
  34     void setContentsSwizzled(bool contentsSwizzled) { m_contentsSwizzled = contentsSwizzled; }
  35     bool contentsSwizzled() const { return m_contentsSwizzled; }
  36
  37     virtual Region visibleContentOpaqueRegion() const OVERRIDE;
  38     virtual void didLoseContext() OVERRIDE;
  39
  40 protected:
  41     explicit CCTiledLayerImpl(int id);
  42     // Exposed for testing.
  43     bool hasTileAt(int, int) const;
  44     bool hasTextureIdForTileAt(int, int) const;
  45
  46 private:
  47
  48     virtual const char* layerTypeAsString() const OVERRIDE { return "ContentLayer"; }
  49
  50     DrawableTile* tileAt(int, int) const;
  51     DrawableTile* createTile(int, int);
  52
  53     bool m_skipsDraw;
  54     bool m_contentsSwizzled;
  55
  56     OwnPtr<CCLayerTilingData> m_tiler;
  57 };
  58
  59 }
  60
  61 #endif // CCTiledLayerImpl_h