15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_LISTENER_H_
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_LISTENER_H_
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "ui/views/views_export.h"
95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views {
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SingleSplitView;
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// An interface implemented by objects that want to be notified when the
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// splitter moves.
165d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class VIEWS_EXPORT SingleSplitViewListener {
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public:
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // Invoked when split handle is moved by the user. |sender|'s divider_offset
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // is already set to the new value, but Layout has not happened yet.
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // Returns false if the layout has been handled by the listener, returns
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // true if |sender| should do it by itself.
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  virtual bool SplitHandleMoved(SingleSplitView* sender) = 0;
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected:
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  virtual ~SingleSplitViewListener() {}
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace views
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif  // UI_VIEWS_CONTROLS_SINGLE_SPLIT_VIEW_LISTENER_H_
31