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Side by Side Diff: ash/wm/window_resizer.h

Issue 9467021: Attempt 3: Makes managed mode constrain the height of windows so they don't (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Da fix Created 8 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef ASH_WM_WINDOW_RESIZER_H_ 5 #ifndef ASH_WM_WINDOW_RESIZER_H_
6 #define ASH_WM_WINDOW_RESIZER_H_ 6 #define ASH_WM_WINDOW_RESIZER_H_
7 #pragma once 7 #pragma once
8 8
9 #include "ash/ash_export.h" 9 #include "ash/ash_export.h"
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
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31 31
32 // Used to indicate which direction the resize occurs in. 32 // Used to indicate which direction the resize occurs in.
33 static const int kBoundsChangeDirection_None; 33 static const int kBoundsChangeDirection_None;
34 static const int kBoundsChangeDirection_Horizontal; 34 static const int kBoundsChangeDirection_Horizontal;
35 static const int kBoundsChangeDirection_Vertical; 35 static const int kBoundsChangeDirection_Vertical;
36 36
37 WindowResizer(aura::Window* window, 37 WindowResizer(aura::Window* window,
38 const gfx::Point& location, 38 const gfx::Point& location,
39 int window_component, 39 int window_component,
40 int grid_size); 40 int grid_size);
41 ~WindowResizer(); 41 virtual ~WindowResizer();
42 42
43 // Returns a bitmask of the kBoundsChange_ values. 43 // Returns a bitmask of the kBoundsChange_ values.
44 static int GetBoundsChangeForWindowComponent(int component); 44 static int GetBoundsChangeForWindowComponent(int component);
45 45
46 // Returns a location >= |location| that is aligned to fall on increments of 46 // Returns a location >= |location| that is aligned to fall on increments of
47 // |grid_size|. 47 // |grid_size|.
48 static int AlignToGrid(int location, int grid_size); 48 static int AlignToGrid(int location, int grid_size);
49 49
50 // Invoked to drag/move/resize the window. |location| is in the coordinates 50 // Invoked to drag/move/resize the window. |location| is in the coordinates
51 // of the window supplied to the constructor. 51 // of the window supplied to the constructor.
52 void Drag(const gfx::Point& location); 52 void Drag(const gfx::Point& location);
53 53
54 // Invoked to complete the drag. 54 // Invoked to complete the drag.
55 void CompleteDrag(); 55 void CompleteDrag();
56 56
57 // Returns true if the drag will result in changing the window in anyway. 57 // Returns true if the drag will result in changing the window in anyway.
58 bool is_resizable() const { return is_resizable_; } 58 bool is_resizable() const { return is_resizable_; }
59 59
60 // See description above members for details. 60 // See description above members for details.
61 const gfx::Rect& initial_bounds() const { return initial_bounds_; } 61 const gfx::Rect& initial_bounds() const { return initial_bounds_; }
62 const gfx::Point& initial_location_in_parent() const { 62 const gfx::Point& initial_location_in_parent() const {
63 return initial_location_in_parent_; 63 return initial_location_in_parent_;
64 } 64 }
65 int window_component() const { return window_component_; } 65 int window_component() const { return window_component_; }
66 aura::Window* window() const { return window_; } 66 aura::Window* window() const { return window_; }
67 int grid_size() const { return grid_size_; }
68 bool did_move_or_resize() const { return did_move_or_resize_; }
69 int bounds_change() const { return bounds_change_; }
70
71 protected:
72 // Returns the bounds to give to the window once the mouse has moved to
73 // |location|.
74 virtual gfx::Rect GetBoundsForDrag(const gfx::Point& location);
75
76 // Returns the final bounds. This differs from current bounds if a grid_size
77 // was specified.
78 virtual gfx::Rect GetFinalBounds();
67 79
68 private: 80 private:
69 // Returns the bounds to give to the window once the mouse has moved to
70 // |location|.
71 gfx::Rect GetBoundsForDrag(const gfx::Point& location);
72
73 // Returns the new origin of the window. The arguments are the difference 81 // Returns the new origin of the window. The arguments are the difference
74 // between the current location and the initial location. 82 // between the current location and the initial location.
75 gfx::Point GetOriginForDrag(int delta_x, int delta_y) const; 83 gfx::Point GetOriginForDrag(int delta_x, int delta_y) const;
76 84
77 // Returns the size of the window for the drag. 85 // Returns the size of the window for the drag.
78 gfx::Size GetSizeForDrag(int* delta_x, int* delta_y) const; 86 gfx::Size GetSizeForDrag(int* delta_x, int* delta_y) const;
79 87
80 // Returns the width of the window. 88 // Returns the width of the window.
81 int GetWidthForDrag(int min_width, int* delta_x) const; 89 int GetWidthForDrag(int min_width, int* delta_x) const;
82 90
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114 bool did_move_or_resize_; 122 bool did_move_or_resize_;
115 123
116 internal::RootWindowEventFilter* root_filter_; 124 internal::RootWindowEventFilter* root_filter_;
117 125
118 DISALLOW_COPY_AND_ASSIGN(WindowResizer); 126 DISALLOW_COPY_AND_ASSIGN(WindowResizer);
119 }; 127 };
120 128
121 } // namespace aura 129 } // namespace aura
122 130
123 #endif // ASH_WM_WINDOW_RESIZER_H_ 131 #endif // ASH_WM_WINDOW_RESIZER_H_
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