15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 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_VIEW_MODEL_UTILS_H_
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define UI_VIEWS_VIEW_MODEL_UTILS_H_
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h"
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/views/views_export.h"
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace views {
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class View;
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ViewModel;
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class VIEWS_EXPORT ViewModelUtils {
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public:
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  enum Alignment {
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    HORIZONTAL,
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    VERTICAL
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  };
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // Sets the bounds of each view to its ideal bounds.
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  static void SetViewBoundsToIdealBounds(const ViewModel& model);
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // Returns true if the Views in |model| are at their ideal bounds.
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  static bool IsAtIdealBounds(const ViewModel& model);
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  // Returns the index to move |view| to based on a coordinate of |x| and |y|.
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  static int DetermineMoveIndex(const ViewModel& model,
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                View* view,
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                Alignment alignment,
335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                int x,
345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                                int y);
355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private:
375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  DISALLOW_IMPLICIT_CONSTRUCTORS(ViewModelUtils);
385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace views
415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif  // UI_VIEWS_VIEW_MODEL_UTILS_H_
43