cc/nine_patch_layer_impl.h

   1 // Copyright 2012 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_NINE_PATCH_LAYER_IMPL_H_
   6 #define CC_NINE_PATCH_LAYER_IMPL_H_
   7
   8 #include "cc/cc_export.h"
   9 #include "cc/layer_impl.h"
  10 #include "cc/resource_provider.h"
  11 #include "ui/gfx/size.h"
  12 #include "ui/gfx/rect.h"
  13
  14 namespace base {
  15 class DictionaryValue;
  16 }
  17
  18 namespace cc {
  19
  20 class CC_EXPORT NinePatchLayerImpl : public LayerImpl {
  21 public:
  22     static scoped_ptr<NinePatchLayerImpl> create(LayerTreeImpl* treeImpl, int id)
  23     {
  24         return make_scoped_ptr(new NinePatchLayerImpl(treeImpl, id));
  25     }
  26     virtual ~NinePatchLayerImpl();
  27
  28     void setResourceId(unsigned id) { m_resourceId = id; }
  29     void setLayout(const gfx::Size& imageBounds, const gfx::Rect& aperture);
  30
  31     virtual scoped_ptr<LayerImpl> createLayerImpl(LayerTreeImpl* treeImpl) OVERRIDE;
  32     virtual void pushPropertiesTo(LayerImpl*) OVERRIDE;
  33
  34     virtual void willDraw(ResourceProvider*) OVERRIDE;
  35     virtual void appendQuads(QuadSink&, AppendQuadsData&) OVERRIDE;
  36     virtual void didDraw(ResourceProvider*) OVERRIDE;
  37     virtual ResourceProvider::ResourceId contentsResourceId() const OVERRIDE;
  38     virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
  39     virtual void didLoseOutputSurface() OVERRIDE;
  40
  41     virtual base::DictionaryValue* layerTreeAsJson() const OVERRIDE;
  42
  43 protected:
  44     NinePatchLayerImpl(LayerTreeImpl* treeImpl, int id);
  45
  46 private:
  47     virtual const char* layerTypeAsString() const OVERRIDE;
  48
  49     // The size of the NinePatch bitmap in pixels.
  50     gfx::Size m_imageBounds;
  51
  52     // The transparent center region that shows the parent layer's contents in image space.
  53     gfx::Rect m_imageAperture;
  54
  55     ResourceProvider::ResourceId m_resourceId;
  56 };
  57
  58 }  // namespace cc
  59
  60 #endif  // CC_NINE_PATCH_LAYER_IMPL_H_