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