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// Copyright (c) 2011 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 UI_VIEWS_CONTROLS_RESIZE_AREA_DELEGATE_H_
#define UI_VIEWS_CONTROLS_RESIZE_AREA_DELEGATE_H_
#pragma once
namespace views {
// An interface implemented by objects that want to be notified about the resize
// event.
class ResizeAreaDelegate {
public:
// OnResize is sent when resizing is detected. |resize_amount| specifies the
// number of pixels that the user wants to resize by, and can be negative or
// positive (depending on direction of dragging and flips according to
// locale directionality: dragging to the left in LTR locales gives negative
// |resize_amount| but positive amount for RTL). |done_resizing| is true if
// the user has released the mouse.
virtual void OnResize(int resize_amount, bool done_resizing) = 0;
protected:
virtual ~ResizeAreaDelegate() {}
};
} // namespace views
#endif // UI_VIEWS_CONTROLS_RESIZE_AREA_DELEGATE_H_