| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_RENDERER_PEPPER_PPB_SCROLLBAR_IMPL_H_ |
| #define CONTENT_RENDERER_PEPPER_PPB_SCROLLBAR_IMPL_H_ |
| |
| #include <vector> |
| |
| #include "base/compiler_specific.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/renderer/pepper/ppb_widget_impl.h" |
| #include "ppapi/thunk/ppb_scrollbar_api.h" |
| #include "third_party/WebKit/public/platform/WebRect.h" |
| #include "third_party/WebKit/public/web/WebPluginScrollbarClient.h" |
| #include "ui/gfx/rect.h" |
| |
| namespace content { |
| |
| class PPB_Scrollbar_Impl : public PPB_Widget_Impl, |
| public ppapi::thunk::PPB_Scrollbar_API, |
| public blink::WebPluginScrollbarClient { |
| public: |
| static PP_Resource Create(PP_Instance instance, bool vertical); |
| |
| // Resource overrides. |
| virtual PPB_Scrollbar_API* AsPPB_Scrollbar_API() OVERRIDE; |
| virtual void InstanceWasDeleted() OVERRIDE; |
| |
| // PPB_Scrollbar_API implementation. |
| virtual uint32_t GetThickness() OVERRIDE; |
| virtual bool IsOverlay() OVERRIDE; |
| virtual uint32_t GetValue() OVERRIDE; |
| virtual void SetValue(uint32_t value) OVERRIDE; |
| virtual void SetDocumentSize(uint32_t size) OVERRIDE; |
| virtual void SetTickMarks(const PP_Rect* tick_marks, uint32_t count) OVERRIDE; |
| virtual void ScrollBy(PP_ScrollBy_Dev unit, int32_t multiplier) OVERRIDE; |
| |
| private: |
| virtual ~PPB_Scrollbar_Impl(); |
| |
| explicit PPB_Scrollbar_Impl(PP_Instance instance); |
| void Init(bool vertical); |
| |
| // PPB_Widget private implementation. |
| virtual PP_Bool PaintInternal(const gfx::Rect& rect, |
| PPB_ImageData_Impl* image) OVERRIDE; |
| virtual PP_Bool HandleEventInternal(const ppapi::InputEventData& data) |
| OVERRIDE; |
| virtual void SetLocationInternal(const PP_Rect* location) OVERRIDE; |
| |
| // blink::WebPluginScrollbarClient implementation. |
| virtual void valueChanged(blink::WebPluginScrollbar* scrollbar) OVERRIDE; |
| virtual void overlayChanged(blink::WebPluginScrollbar* scrollbar) OVERRIDE; |
| virtual void invalidateScrollbarRect(blink::WebPluginScrollbar* scrollbar, |
| const blink::WebRect& rect) OVERRIDE; |
| virtual void getTickmarks(blink::WebPluginScrollbar* scrollbar, |
| blink::WebVector<blink::WebRect>* tick_marks) const |
| OVERRIDE; |
| |
| void NotifyInvalidate(); |
| |
| gfx::Rect dirty_; |
| std::vector<blink::WebRect> tickmarks_; |
| scoped_ptr<blink::WebPluginScrollbar> scrollbar_; |
| |
| // Used so that the post task for Invalidate doesn't keep an extra reference. |
| base::WeakPtrFactory<PPB_Scrollbar_Impl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PPB_Scrollbar_Impl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_PEPPER_PPB_SCROLLBAR_IMPL_H_ |