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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_ | |
| 6 #define WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/memory/weak_ptr.h" | |
| 13 #include "ppapi/thunk/ppb_scrollbar_api.h" | |
| 14 #include "third_party/WebKit/public/platform/WebRect.h" | |
| 15 #include "third_party/WebKit/public/web/WebPluginScrollbarClient.h" | |
| 16 #include "ui/gfx/rect.h" | |
| 17 #include "webkit/plugins/ppapi/ppb_widget_impl.h" | |
| 18 | |
| 19 namespace webkit { | |
| 20 namespace ppapi { | |
| 21 | |
| 22 class PPB_Scrollbar_Impl : public PPB_Widget_Impl, | |
| 23 public ::ppapi::thunk::PPB_Scrollbar_API, | |
| 24 public WebKit::WebPluginScrollbarClient { | |
| 25 public: | |
| 26 static PP_Resource Create(PP_Instance instance, bool vertical); | |
| 27 | |
| 28 virtual ~PPB_Scrollbar_Impl(); | |
| 29 | |
| 30 // Resource overrides. | |
| 31 virtual PPB_Scrollbar_API* AsPPB_Scrollbar_API() OVERRIDE; | |
| 32 virtual void InstanceWasDeleted(); | |
| 33 | |
| 34 // PPB_Scrollbar_API implementation. | |
| 35 virtual uint32_t GetThickness() OVERRIDE; | |
| 36 virtual bool IsOverlay() OVERRIDE; | |
| 37 virtual uint32_t GetValue() OVERRIDE; | |
| 38 virtual void SetValue(uint32_t value) OVERRIDE; | |
| 39 virtual void SetDocumentSize(uint32_t size) OVERRIDE; | |
| 40 virtual void SetTickMarks(const PP_Rect* tick_marks, uint32_t count) OVERRIDE; | |
| 41 virtual void ScrollBy(PP_ScrollBy_Dev unit, int32_t multiplier) OVERRIDE; | |
| 42 | |
| 43 private: | |
| 44 explicit PPB_Scrollbar_Impl(PP_Instance instance); | |
| 45 void Init(bool vertical); | |
| 46 | |
| 47 // PPB_Widget private implementation. | |
| 48 virtual PP_Bool PaintInternal(const gfx::Rect& rect, | |
| 49 PPB_ImageData_Impl* image) OVERRIDE; | |
| 50 virtual PP_Bool HandleEventInternal( | |
| 51 const ::ppapi::InputEventData& data) OVERRIDE; | |
| 52 virtual void SetLocationInternal(const PP_Rect* location) OVERRIDE; | |
| 53 | |
| 54 // WebKit::WebPluginScrollbarClient implementation. | |
| 55 virtual void valueChanged(WebKit::WebPluginScrollbar* scrollbar) OVERRIDE; | |
| 56 virtual void overlayChanged(WebKit::WebPluginScrollbar* scrollbar) OVERRIDE; | |
| 57 virtual void invalidateScrollbarRect(WebKit::WebPluginScrollbar* scrollbar, | |
| 58 const WebKit::WebRect& rect) OVERRIDE; | |
| 59 virtual void getTickmarks( | |
| 60 WebKit::WebPluginScrollbar* scrollbar, | |
| 61 WebKit::WebVector<WebKit::WebRect>* tick_marks) const OVERRIDE; | |
| 62 | |
| 63 void NotifyInvalidate(); | |
| 64 | |
| 65 gfx::Rect dirty_; | |
| 66 std::vector<WebKit::WebRect> tickmarks_; | |
| 67 scoped_ptr<WebKit::WebPluginScrollbar> scrollbar_; | |
| 68 | |
| 69 // Used so that the post task for Invalidate doesn't keep an extra reference. | |
| 70 base::WeakPtrFactory<PPB_Scrollbar_Impl> weak_ptr_factory_; | |
| 71 | |
| 72 DISALLOW_COPY_AND_ASSIGN(PPB_Scrollbar_Impl); | |
| 73 }; | |
| 74 | |
| 75 } // namespace ppapi | |
| 76 } // namespace webkit | |
| 77 | |
| 78 #endif // WEBKIT_PLUGINS_PPAPI_PPB_SCROLLBAR_IMPL_H_ | |
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