ppapi/cpp/dev/scrollbar_dev.h

   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
  11 namespace pp {
  12
  13 class InstanceHandle;
  14
  15 // This class allows a plugin to use the browser's scrollbar widget.
  16 class 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_