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// 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_
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