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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ | 5 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ |
6 #define WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ | 6 #define WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "ppapi/c/pp_completion_callback.h" | 12 #include "ppapi/c/pp_completion_callback.h" |
13 #include "ppapi/c/ppb_graphics_2d.h" | 13 #include "ppapi/c/ppb_graphics_2d.h" |
14 #include "ppapi/shared_impl/resource.h" | 14 #include "ppapi/shared_impl/resource.h" |
15 #include "ppapi/shared_impl/tracked_callback.h" | 15 #include "ppapi/shared_impl/tracked_callback.h" |
16 #include "ppapi/thunk/ppb_graphics_2d_api.h" | 16 #include "ppapi/thunk/ppb_graphics_2d_api.h" |
17 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCanvas.h" | 17 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCanvas.h" |
18 #include "webkit/plugins/webkit_plugins_export.h" | 18 #include "webkit/plugins/webkit_plugins_export.h" |
19 | 19 |
20 namespace gfx { | 20 namespace gfx { |
21 class Point; | 21 class Point; |
22 class Rect; | 22 class Rect; |
23 } | 23 } |
24 | 24 |
| 25 namespace content { |
| 26 class PepperGraphics2DHost; |
| 27 } |
| 28 |
25 namespace webkit { | 29 namespace webkit { |
26 namespace ppapi { | 30 namespace ppapi { |
27 | 31 |
28 class PPB_ImageData_Impl; | 32 class PPB_ImageData_Impl; |
29 class PluginInstance; | 33 class PluginInstance; |
30 | 34 |
31 class PPB_Graphics2D_Impl : public ::ppapi::Resource, | 35 class WEBKIT_PLUGINS_EXPORT PPB_Graphics2D_Impl : |
32 public ::ppapi::thunk::PPB_Graphics2D_API { | 36 public ::ppapi::Resource, |
| 37 public ::ppapi::thunk::PPB_Graphics2D_API { |
33 public: | 38 public: |
34 virtual ~PPB_Graphics2D_Impl(); | 39 virtual ~PPB_Graphics2D_Impl(); |
35 | 40 |
36 WEBKIT_PLUGINS_EXPORT static PP_Resource Create(PP_Instance instance, | 41 static PP_Resource Create(PP_Instance instance, |
37 const PP_Size& size, | 42 const PP_Size& size, |
38 PP_Bool is_always_opaque); | 43 PP_Bool is_always_opaque); |
39 | 44 |
40 bool is_always_opaque() const { return is_always_opaque_; } | 45 bool is_always_opaque() const { return is_always_opaque_; } |
41 | 46 |
42 // Resource overrides. | 47 // Resource overrides. |
43 virtual ::ppapi::thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API(); | 48 virtual ::ppapi::thunk::PPB_Graphics2D_API* AsPPB_Graphics2D_API(); |
44 virtual void LastPluginRefWasDeleted() OVERRIDE; | 49 virtual void LastPluginRefWasDeleted() OVERRIDE; |
45 | 50 |
46 // PPB_Graphics2D functions. | 51 // PPB_Graphics2D functions. |
47 virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) OVERRIDE; | 52 virtual PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque) OVERRIDE; |
48 virtual void PaintImageData(PP_Resource image_data, | 53 virtual void PaintImageData(PP_Resource image_data, |
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76 void ViewInitiatedPaint(); | 81 void ViewInitiatedPaint(); |
77 void ViewFlushedPaint(); | 82 void ViewFlushedPaint(); |
78 | 83 |
79 PPB_ImageData_Impl* image_data() { return image_data_.get(); } | 84 PPB_ImageData_Impl* image_data() { return image_data_.get(); } |
80 | 85 |
81 // Scale |op_rect| to logical pixels, taking care to include partially- | 86 // Scale |op_rect| to logical pixels, taking care to include partially- |
82 // covered logical pixels (aka DIPs). Also scale optional |delta| to logical | 87 // covered logical pixels (aka DIPs). Also scale optional |delta| to logical |
83 // pixels as well for scrolling cases. Returns false for scrolling cases where | 88 // pixels as well for scrolling cases. Returns false for scrolling cases where |
84 // scaling either |op_rect| or |delta| would require scrolling to fall back to | 89 // scaling either |op_rect| or |delta| would require scrolling to fall back to |
85 // invalidation due to rounding errors, true otherwise. | 90 // invalidation due to rounding errors, true otherwise. |
86 WEBKIT_PLUGINS_EXPORT static bool ConvertToLogicalPixels(float scale, | 91 static bool ConvertToLogicalPixels(float scale, |
87 gfx::Rect* op_rect, | 92 gfx::Rect* op_rect, |
88 gfx::Point* delta); | 93 gfx::Point* delta); |
89 | 94 |
90 private: | 95 private: |
91 explicit PPB_Graphics2D_Impl(PP_Instance instance); | 96 explicit PPB_Graphics2D_Impl(PP_Instance instance); |
92 | 97 |
93 bool Init(int width, int height, bool is_always_opaque); | 98 bool Init(int width, int height, bool is_always_opaque); |
94 | 99 |
95 // Tracks a call to flush that requires a callback. | 100 // Tracks a call to flush that requires a callback. |
96 class FlushCallbackData { | 101 class FlushCallbackData { |
97 public: | 102 public: |
98 FlushCallbackData() { | 103 FlushCallbackData() { |
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199 // Set to true if the plugin declares that this device will always be opaque. | 204 // Set to true if the plugin declares that this device will always be opaque. |
200 // This allows us to do more optimized painting in some cases. | 205 // This allows us to do more optimized painting in some cases. |
201 bool is_always_opaque_; | 206 bool is_always_opaque_; |
202 | 207 |
203 // Set to the scale between what the plugin considers to be one pixel and one | 208 // Set to the scale between what the plugin considers to be one pixel and one |
204 // DIP | 209 // DIP |
205 float scale_; | 210 float scale_; |
206 | 211 |
207 base::WeakPtrFactory<PPB_Graphics2D_Impl> weak_ptr_factory_; | 212 base::WeakPtrFactory<PPB_Graphics2D_Impl> weak_ptr_factory_; |
208 | 213 |
| 214 friend class content::PepperGraphics2DHost; |
209 DISALLOW_COPY_AND_ASSIGN(PPB_Graphics2D_Impl); | 215 DISALLOW_COPY_AND_ASSIGN(PPB_Graphics2D_Impl); |
210 }; | 216 }; |
211 | 217 |
212 } // namespace ppapi | 218 } // namespace ppapi |
213 } // namespace webkit | 219 } // namespace webkit |
214 | 220 |
215 #endif // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ | 221 #endif // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_2D_IMPL_H_ |
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