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// Copyright (c) 2010 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 PPAPI_CPP_DEV_WIDGET_CLIENT_DEV_H_
#define PPAPI_CPP_DEV_WIDGET_CLIENT_DEV_H_
#include "ppapi/c/pp_stdint.h"
namespace pp {
class Instance;
class Rect;
class Scrollbar_Dev;
class Widget_Dev;
// This class provides a C++ interface for callbacks related to widgets. You
// would normally use multiple inheritance to derive from this class in your
// instance.
class WidgetClient_Dev {
public:
WidgetClient_Dev(Instance* instance);
virtual ~WidgetClient_Dev();
/**
* Notification that the given widget should be repainted. This is the
* implementation for PPP_Widget_Dev.
*/
virtual void InvalidateWidget(Widget_Dev widget, const Rect& dirty_rect) = 0;
/**
* Notification that the given scrollbar should change value. This is the
* implementation for PPP_Scrollbar_Dev.
*/
virtual void ScrollbarValueChanged(Scrollbar_Dev scrollbar,
uint32_t value) = 0;
private:
Instance* associated_instance_;
};
} // namespace pp
#endif // PPAPI_CPP_DEV_WIDGET_CLIENT_DEV_H_
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