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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_VIEWS_COCOA_COCOA_WINDOW_MOVE_LOOP_H_ | |
6 #define UI_VIEWS_COCOA_COCOA_WINDOW_MOVE_LOOP_H_ | |
7 | |
8 #include "ui/gfx/geometry/point.h" | |
9 #include "ui/views/widget/widget.h" | |
10 | |
11 namespace views { | |
12 class BridgedNativeWidget; | |
13 | |
14 // Used by views::BridgedNativeWidget when dragging detached tabs. | |
15 class CocoaWindowMoveLoop { | |
16 public: | |
17 CocoaWindowMoveLoop(BridgedNativeWidget* owner, | |
18 const gfx::Point& initial_mouse_in_screen); | |
19 ~CocoaWindowMoveLoop(); | |
20 | |
21 // Initiates the drag until a mouse up event is observed, or End() is called. | |
22 Widget::MoveLoopResult Run(); | |
23 void End(); | |
24 | |
25 private: | |
26 enum LoopExitReason { | |
27 ENDED_EXTERNALLY, | |
28 MOUSE_UP, | |
29 WINDOW_DESTROYED, | |
30 }; | |
31 | |
32 void OnPositionChanged(); | |
33 | |
34 BridgedNativeWidget* owner_; // Weak. Owns this. | |
35 | |
36 // Initial mouse location at the time before the CocoaWindowMoveLoop is | |
37 // created. | |
38 gfx::Point initial_mouse_in_screen_; | |
tapted
2016/06/01 11:29:56
NSPoint - see later comments
themblsha
2016/06/03 17:42:08
Done.
| |
39 | |
40 // Pointer to a stack variable holding the exit reason. | |
41 LoopExitReason* exit_reason_ref_ = nullptr; | |
42 base::Closure quit_closure_; | |
43 | |
44 // WeakPtrFactory for event monitor safety. | |
45 base::WeakPtrFactory<CocoaWindowMoveLoop> weak_factory_; | |
46 | |
47 DISALLOW_COPY_AND_ASSIGN(CocoaWindowMoveLoop); | |
48 }; | |
49 | |
50 } // namespace views | |
51 | |
52 #endif // UI_VIEWS_COCOA_COCOA_WINDOW_MOVE_LOOP_H_ | |
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