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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_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ | 5 #ifndef ASH_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |
6 #define ASH_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ | 6 #define ASH_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "ash/ash_export.h" | 10 #include "ash/ash_export.h" |
11 #include "ash/common/wm/wm_display_observer.h" | |
12 #include "ash/common/wm/wm_types.h" | 11 #include "ash/common/wm/wm_types.h" |
| 12 #include "ash/common/wm_display_observer.h" |
13 #include "base/callback.h" | 13 #include "base/callback.h" |
14 #include "base/macros.h" | 14 #include "base/macros.h" |
15 #include "ui/gfx/geometry/rect.h" | 15 #include "ui/gfx/geometry/rect.h" |
16 #include "ui/wm/public/window_move_client.h" | 16 #include "ui/wm/public/window_move_client.h" |
17 | 17 |
18 namespace ui { | 18 namespace ui { |
19 class KeyEvent; | 19 class KeyEvent; |
20 class LocatedEvent; | 20 class LocatedEvent; |
21 class MouseEvent; | 21 class MouseEvent; |
22 class GestureEvent; | 22 class GestureEvent; |
23 } | 23 } |
24 | 24 |
25 namespace ash { | 25 namespace ash { |
26 | 26 |
27 class WindowResizer; | 27 class WindowResizer; |
| 28 class WmShell; |
| 29 class WmWindow; |
28 | 30 |
29 namespace wm { | 31 namespace wm { |
30 | 32 |
31 class WmGlobals; | |
32 class WmWindow; | |
33 | |
34 // WmToplevelWindowEventHandler handles dragging and resizing of top level | 33 // WmToplevelWindowEventHandler handles dragging and resizing of top level |
35 // windows. WmToplevelWindowEventHandler is forwarded events, such as from an | 34 // windows. WmToplevelWindowEventHandler is forwarded events, such as from an |
36 // EventHandler. | 35 // EventHandler. |
37 class ASH_EXPORT WmToplevelWindowEventHandler : public WmDisplayObserver { | 36 class ASH_EXPORT WmToplevelWindowEventHandler : public WmDisplayObserver { |
38 public: | 37 public: |
39 // Describes what triggered ending the drag. | 38 // Describes what triggered ending the drag. |
40 enum class DragResult { | 39 enum class DragResult { |
41 // The drag successfully completed. | 40 // The drag successfully completed. |
42 SUCCESS, | 41 SUCCESS, |
43 | 42 |
44 REVERT, | 43 REVERT, |
45 | 44 |
46 // The underlying window was destroyed while the drag is in process. | 45 // The underlying window was destroyed while the drag is in process. |
47 WINDOW_DESTROYED | 46 WINDOW_DESTROYED |
48 }; | 47 }; |
49 using EndClosure = base::Callback<void(DragResult)>; | 48 using EndClosure = base::Callback<void(DragResult)>; |
50 | 49 |
51 explicit WmToplevelWindowEventHandler(WmGlobals* globals); | 50 explicit WmToplevelWindowEventHandler(WmShell* shell); |
52 ~WmToplevelWindowEventHandler() override; | 51 ~WmToplevelWindowEventHandler() override; |
53 | 52 |
54 void OnKeyEvent(ui::KeyEvent* event); | 53 void OnKeyEvent(ui::KeyEvent* event); |
55 void OnMouseEvent(ui::MouseEvent* event, WmWindow* target); | 54 void OnMouseEvent(ui::MouseEvent* event, WmWindow* target); |
56 void OnGestureEvent(ui::GestureEvent* event, WmWindow* target); | 55 void OnGestureEvent(ui::GestureEvent* event, WmWindow* target); |
57 | 56 |
58 // Attempts to start a drag if one is not already in progress. Returns true if | 57 // Attempts to start a drag if one is not already in progress. Returns true if |
59 // successful. |end_closure| is run when the drag completes. |end_closure| is | 58 // successful. |end_closure| is run when the drag completes. |end_closure| is |
60 // not run if the drag does not start. | 59 // not run if the drag does not start. |
61 bool AttemptToStartDrag(WmWindow* window, | 60 bool AttemptToStartDrag(WmWindow* window, |
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96 // been completed for fling gestures. | 95 // been completed for fling gestures. |
97 void SetWindowStateTypeFromGesture(WmWindow* window, | 96 void SetWindowStateTypeFromGesture(WmWindow* window, |
98 wm::WindowStateType new_state_type); | 97 wm::WindowStateType new_state_type); |
99 | 98 |
100 // Invoked from ScopedWindowResizer if the window is destroyed. | 99 // Invoked from ScopedWindowResizer if the window is destroyed. |
101 void ResizerWindowDestroyed(); | 100 void ResizerWindowDestroyed(); |
102 | 101 |
103 // WmDisplayObserver: | 102 // WmDisplayObserver: |
104 void OnDisplayConfigurationChanging() override; | 103 void OnDisplayConfigurationChanging() override; |
105 | 104 |
106 WmGlobals* globals_; | 105 WmShell* shell_; |
107 | 106 |
108 // The hittest result for the first finger at the time that it initially | 107 // The hittest result for the first finger at the time that it initially |
109 // touched the screen. |first_finger_hittest_| is one of ui/base/hit_test.h | 108 // touched the screen. |first_finger_hittest_| is one of ui/base/hit_test.h |
110 int first_finger_hittest_; | 109 int first_finger_hittest_; |
111 | 110 |
112 // The window bounds when the drag was started. When a window is minimized, | 111 // The window bounds when the drag was started. When a window is minimized, |
113 // maximized or snapped via a swipe/fling gesture, the restore bounds should | 112 // maximized or snapped via a swipe/fling gesture, the restore bounds should |
114 // be set to the bounds of the window when the drag was started. | 113 // be set to the bounds of the window when the drag was started. |
115 gfx::Rect pre_drag_window_bounds_; | 114 gfx::Rect pre_drag_window_bounds_; |
116 | 115 |
117 // Is a window move/resize in progress because of gesture events? | 116 // Is a window move/resize in progress because of gesture events? |
118 bool in_gesture_drag_ = false; | 117 bool in_gesture_drag_ = false; |
119 | 118 |
120 std::unique_ptr<ScopedWindowResizer> window_resizer_; | 119 std::unique_ptr<ScopedWindowResizer> window_resizer_; |
121 | 120 |
122 EndClosure end_closure_; | 121 EndClosure end_closure_; |
123 | 122 |
124 DISALLOW_COPY_AND_ASSIGN(WmToplevelWindowEventHandler); | 123 DISALLOW_COPY_AND_ASSIGN(WmToplevelWindowEventHandler); |
125 }; | 124 }; |
126 | 125 |
127 } // namespace wm | 126 } // namespace wm |
128 } // namespace ash | 127 } // namespace ash |
129 | 128 |
130 #endif // ASH_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ | 129 #endif // ASH_COMMON_WM_WM_TOPLEVEL_WINDOW_EVENT_HANDLER_H_ |
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