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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_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ | 5 #ifndef ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ |
| 6 #define ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ | 6 #define ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ |
| 7 | 7 |
| 8 #include <memory> | 8 #include <memory> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "ash/ash_export.h" | 11 #include "ash/ash_export.h" |
| 12 #include "base/macros.h" | 12 #include "base/macros.h" |
| 13 #include "base/timer/timer.h" | 13 #include "base/timer/timer.h" |
| 14 #include "ui/aura/window_observer.h" | 14 #include "ui/aura/window_observer.h" |
| 15 #include "ui/gfx/geometry/rect.h" | 15 #include "ui/gfx/geometry/rect.h" |
| 16 #include "ui/views/mouse_watcher.h" | 16 #include "ui/views/mouse_watcher.h" |
| 17 | 17 |
| 18 namespace views { | 18 namespace views { |
| 19 class Widget; | 19 class Widget; |
| 20 } | 20 } |
| 21 | 21 |
| 22 namespace ash { | 22 namespace ash { |
| 23 class MultiWindowResizeControllerTest; | 23 class MultiWindowResizeControllerTest; |
| 24 class WmWindow; | |
| 25 class WorkspaceWindowResizer; | 24 class WorkspaceWindowResizer; |
| 26 | 25 |
| 27 // Two directions resizes happen in. | 26 // Two directions resizes happen in. |
| 28 enum Direction { | 27 enum Direction { |
| 29 TOP_BOTTOM, | 28 TOP_BOTTOM, |
| 30 LEFT_RIGHT, | 29 LEFT_RIGHT, |
| 31 }; | 30 }; |
| 32 | 31 |
| 33 // MultiWindowResizeController is responsible for determining and showing a | 32 // MultiWindowResizeController is responsible for determining and showing a |
| 34 // widget that allows resizing multiple windows at the same time. | 33 // widget that allows resizing multiple windows at the same time. |
| 35 // MultiWindowResizeController is driven by WorkspaceEventFilter. | 34 // MultiWindowResizeController is driven by WorkspaceEventFilter. |
| 36 class ASH_EXPORT MultiWindowResizeController | 35 class ASH_EXPORT MultiWindowResizeController |
| 37 : public views::MouseWatcherListener, | 36 : public views::MouseWatcherListener, |
| 38 public aura::WindowObserver { | 37 public aura::WindowObserver { |
| 39 public: | 38 public: |
| 40 MultiWindowResizeController(); | 39 MultiWindowResizeController(); |
| 41 ~MultiWindowResizeController() override; | 40 ~MultiWindowResizeController() override; |
| 42 | 41 |
| 43 // If necessary, shows the resize widget. |window| is the window the mouse | 42 // If necessary, shows the resize widget. |window| is the window the mouse |
| 44 // is over, |component| the edge and |point| the location of the mouse. | 43 // is over, |component| the edge and |point| the location of the mouse. |
| 45 void Show(WmWindow* window, int component, const gfx::Point& point); | 44 void Show(aura::Window* window, int component, const gfx::Point& point); |
| 46 | 45 |
| 47 // Hides the resize widget. | 46 // Hides the resize widget. |
| 48 void Hide(); | 47 void Hide(); |
| 49 | 48 |
| 50 // MouseWatcherListenre overrides: | 49 // MouseWatcherListenre overrides: |
| 51 void MouseMovedOutOfHost() override; | 50 void MouseMovedOutOfHost() override; |
| 52 | 51 |
| 53 // WindowObserver overrides: | 52 // WindowObserver overrides: |
| 54 void OnWindowDestroying(aura::Window* window) override; | 53 void OnWindowDestroying(aura::Window* window) override; |
| 55 | 54 |
| 56 private: | 55 private: |
| 57 friend class MultiWindowResizeControllerTest; | 56 friend class MultiWindowResizeControllerTest; |
| 58 | 57 |
| 59 // Used to track the two resizable windows and direction. | 58 // Used to track the two resizable windows and direction. |
| 60 struct ResizeWindows { | 59 struct ResizeWindows { |
| 61 ResizeWindows(); | 60 ResizeWindows(); |
| 62 ResizeWindows(const ResizeWindows& other); | 61 ResizeWindows(const ResizeWindows& other); |
| 63 ~ResizeWindows(); | 62 ~ResizeWindows(); |
| 64 | 63 |
| 65 // Returns true if |other| equals this ResizeWindows. This does *not* | 64 // Returns true if |other| equals this ResizeWindows. This does *not* |
| 66 // consider the windows in |other_windows|. | 65 // consider the windows in |other_windows|. |
| 67 bool Equals(const ResizeWindows& other) const; | 66 bool Equals(const ResizeWindows& other) const; |
| 68 | 67 |
| 69 // Returns true if this ResizeWindows is valid. | 68 // Returns true if this ResizeWindows is valid. |
| 70 bool is_valid() const { return window1 && window2; } | 69 bool is_valid() const { return window1 && window2; } |
| 71 | 70 |
| 72 // The left/top window to resize. | 71 // The left/top window to resize. |
| 73 WmWindow* window1; | 72 aura::Window* window1; |
| 74 | 73 |
| 75 // Other window to resize. | 74 // Other window to resize. |
| 76 WmWindow* window2; | 75 aura::Window* window2; |
| 77 | 76 |
| 78 // Direction | 77 // Direction |
| 79 Direction direction; | 78 Direction direction; |
| 80 | 79 |
| 81 // Windows after |window2| that are to be resized. Determined at the time | 80 // Windows after |window2| that are to be resized. Determined at the time |
| 82 // the resize starts. | 81 // the resize starts. |
| 83 std::vector<WmWindow*> other_windows; | 82 std::vector<aura::Window*> other_windows; |
| 84 }; | 83 }; |
| 85 | 84 |
| 86 class ResizeMouseWatcherHost; | 85 class ResizeMouseWatcherHost; |
| 87 class ResizeView; | 86 class ResizeView; |
| 88 | 87 |
| 89 void CreateMouseWatcher(); | 88 void CreateMouseWatcher(); |
| 90 | 89 |
| 91 // Returns a ResizeWindows based on the specified arguments. Use is_valid() | 90 // Returns a ResizeWindows based on the specified arguments. Use is_valid() |
| 92 // to test if the return value is a valid multi window resize location. | 91 // to test if the return value is a valid multi window resize location. |
| 93 ResizeWindows DetermineWindows(WmWindow* window, | 92 ResizeWindows DetermineWindows(aura::Window* window, |
| 94 int window_component, | 93 int window_component, |
| 95 const gfx::Point& point) const; | 94 const gfx::Point& point) const; |
| 96 | 95 |
| 97 // Variant of DetermineWindows() that uses the current location of the mouse | 96 // Variant of DetermineWindows() that uses the current location of the mouse |
| 98 // to determine the resize windows. | 97 // to determine the resize windows. |
| 99 ResizeWindows DetermineWindowsFromScreenPoint(WmWindow* window) const; | 98 ResizeWindows DetermineWindowsFromScreenPoint(aura::Window* window) const; |
| 100 | 99 |
| 101 // Finds a window by edge (one of the constants HitTestCompat. | 100 // Finds a window by edge (one of the constants HitTestCompat. |
| 102 WmWindow* FindWindowByEdge(WmWindow* window_to_ignore, | 101 aura::Window* FindWindowByEdge(aura::Window* window_to_ignore, |
| 103 int edge_want, | 102 int edge_want, |
| 104 int x_in_parent, | 103 int x_in_parent, |
| 105 int y_in_parent) const; | 104 int y_in_parent) const; |
| 106 | 105 |
| 107 // Returns the first window touching |window|. | 106 // Returns the first window touching |window|. |
| 108 WmWindow* FindWindowTouching(WmWindow* window, Direction direction) const; | 107 aura::Window* FindWindowTouching(aura::Window* window, |
| 108 Direction direction) const; |
| 109 | 109 |
| 110 // Places any windows touching |start| into |others|. | 110 // Places any windows touching |start| into |others|. |
| 111 void FindWindowsTouching(WmWindow* start, | 111 void FindWindowsTouching(aura::Window* start, |
| 112 Direction direction, | 112 Direction direction, |
| 113 std::vector<WmWindow*>* others) const; | 113 std::vector<aura::Window*>* others) const; |
| 114 | 114 |
| 115 // Shows the resizer if the mouse is still at a valid location. This is called | 115 // Shows the resizer if the mouse is still at a valid location. This is called |
| 116 // from the |show_timer_|. | 116 // from the |show_timer_|. |
| 117 void ShowIfValidMouseLocation(); | 117 void ShowIfValidMouseLocation(); |
| 118 | 118 |
| 119 // Shows the widget immediately. | 119 // Shows the widget immediately. |
| 120 void ShowNow(); | 120 void ShowNow(); |
| 121 | 121 |
| 122 // Returns true if the widget is showing. | 122 // Returns true if the widget is showing. |
| 123 bool IsShowing() const; | 123 bool IsShowing() const; |
| (...skipping 15 matching lines...) Expand all Loading... |
| 139 const gfx::Point& location_in_parent) const; | 139 const gfx::Point& location_in_parent) const; |
| 140 | 140 |
| 141 // Returns true if |location_in_screen| is over the resize widget. | 141 // Returns true if |location_in_screen| is over the resize widget. |
| 142 bool IsOverResizeWidget(const gfx::Point& location_in_screen) const; | 142 bool IsOverResizeWidget(const gfx::Point& location_in_screen) const; |
| 143 | 143 |
| 144 // Returns true if |location_in_screen| is over the resize windows | 144 // Returns true if |location_in_screen| is over the resize windows |
| 145 // (or the resize widget itself). | 145 // (or the resize widget itself). |
| 146 bool IsOverWindows(const gfx::Point& location_in_screen) const; | 146 bool IsOverWindows(const gfx::Point& location_in_screen) const; |
| 147 | 147 |
| 148 // Returns true if |location_in_screen| is over |component| in |window|. | 148 // Returns true if |location_in_screen| is over |component| in |window|. |
| 149 bool IsOverComponent(WmWindow* window, | 149 bool IsOverComponent(aura::Window* window, |
| 150 const gfx::Point& location_in_screen, | 150 const gfx::Point& location_in_screen, |
| 151 int component) const; | 151 int component) const; |
| 152 | 152 |
| 153 // Windows and direction to resize. | 153 // Windows and direction to resize. |
| 154 ResizeWindows windows_; | 154 ResizeWindows windows_; |
| 155 | 155 |
| 156 // Timer used before showing. | 156 // Timer used before showing. |
| 157 base::OneShotTimer show_timer_; | 157 base::OneShotTimer show_timer_; |
| 158 | 158 |
| 159 std::unique_ptr<views::Widget> resize_widget_; | 159 std::unique_ptr<views::Widget> resize_widget_; |
| (...skipping 11 matching lines...) Expand all Loading... |
| 171 // |resize_widget_| is non-NULL (ie the widget is showing) we ignore calls | 171 // |resize_widget_| is non-NULL (ie the widget is showing) we ignore calls |
| 172 // to Show(). | 172 // to Show(). |
| 173 std::unique_ptr<views::MouseWatcher> mouse_watcher_; | 173 std::unique_ptr<views::MouseWatcher> mouse_watcher_; |
| 174 | 174 |
| 175 DISALLOW_COPY_AND_ASSIGN(MultiWindowResizeController); | 175 DISALLOW_COPY_AND_ASSIGN(MultiWindowResizeController); |
| 176 }; | 176 }; |
| 177 | 177 |
| 178 } // namespace ash | 178 } // namespace ash |
| 179 | 179 |
| 180 #endif // ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ | 180 #endif // ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_ |
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