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