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_LAYERS_NINE_PATCH_LAYER_IMPL_H_
6 #define CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_
7 
8 #include <string>
9 
10 #include "base/memory/ptr_util.h"
11 #include "cc/cc_export.h"
12 #include "cc/layers/layer_impl.h"
13 #include "cc/layers/nine_patch_generator.h"
14 #include "cc/layers/ui_resource_layer_impl.h"
15 #include "cc/resources/ui_resource_client.h"
16 #include "ui/gfx/geometry/rect.h"
17 #include "ui/gfx/geometry/size.h"
18 
19 namespace cc {
20 
21 class CC_EXPORT NinePatchLayerImpl : public UIResourceLayerImpl {
22  public:
Create(LayerTreeImpl * tree_impl,int id)23   static std::unique_ptr<NinePatchLayerImpl> Create(LayerTreeImpl* tree_impl,
24                                                     int id) {
25     return base::WrapUnique(new NinePatchLayerImpl(tree_impl, id));
26   }
27   NinePatchLayerImpl(const NinePatchLayerImpl&) = delete;
28   ~NinePatchLayerImpl() override;
29 
30   NinePatchLayerImpl& operator=(const NinePatchLayerImpl&) = delete;
31 
32   // For parameter meanings, see the declaration of NinePatchGenerator.
33   void SetLayout(const gfx::Rect& image_aperture,
34                  const gfx::Rect& border,
35                  const gfx::Rect& layer_occlusion,
36                  bool fill_center,
37                  bool nearest_neighbor);
38 
39   std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
40   void PushPropertiesTo(LayerImpl* layer) override;
41 
42   void AppendQuads(viz::CompositorRenderPass* render_pass,
43                    AppendQuadsData* append_quads_data) override;
44 
45   void AsValueInto(base::trace_event::TracedValue* state) const override;
46 
47  protected:
48   NinePatchLayerImpl(LayerTreeImpl* tree_impl, int id);
49 
50  private:
51   const char* LayerTypeAsString() const override;
52 
53   NinePatchGenerator quad_generator_;
54 };
55 
56 }  // namespace cc
57 
58 #endif  // CC_LAYERS_NINE_PATCH_LAYER_IMPL_H_
59