1// Copyright (c) 2010 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 PPAPI_CPP_DEV_SCROLLBAR_DEV_H_
6#define PPAPI_CPP_DEV_SCROLLBAR_DEV_H_
7
8#include "ppapi/c/dev/ppb_scrollbar_dev.h"
9#include "ppapi/cpp/dev/widget_dev.h"
10
11namespace pp {
12
13class InstanceHandle;
14
15// This class allows a plugin to use the browser's scrollbar widget.
16class Scrollbar_Dev : public Widget_Dev {
17 public:
18  // Creates an is_null() Scrollbar object.
19  Scrollbar_Dev() {}
20
21  explicit Scrollbar_Dev(PP_Resource resource);
22  Scrollbar_Dev(const InstanceHandle& instance, bool vertical);
23  Scrollbar_Dev(const Scrollbar_Dev& other);
24
25  Scrollbar_Dev& operator=(const Scrollbar_Dev& other);
26
27  // PPB_Scrollbar methods:
28  uint32_t GetThickness();
29  bool IsOverlay();
30  uint32_t GetValue();
31  void SetValue(uint32_t value);
32  void SetDocumentSize(uint32_t size);
33  void SetTickMarks(const Rect* tick_marks, uint32_t count);
34  void ScrollBy(PP_ScrollBy_Dev unit, int32_t multiplier);
35};
36
37}  // namespace pp
38
39#endif  // PPAPI_CPP_DEV_SCROLLBAR_DEV_H_
40