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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 with a simulated mouse click then monitors window server | |
22 // events until a mouse up or Escape keypress is observed, or End() is called. | |
23 Widget::MoveLoopResult Run(); | |
24 void End(); | |
25 | |
26 // Added as an kCGEventSourceUserData to the simulated CGEvents that shouldn't | |
27 // be processed by the BridgedContentViews. | |
28 static const int kCocoaWindowMoveLoopSimulatedEventUserData = 1; | |
tapted
2016/04/20 07:30:22
sorry - I should have said to remove the 'CocoaWin
themblsha
2016/04/20 13:38:40
Ah, yeah, that's much better :-)
| |
29 | |
30 private: | |
31 enum LoopExitReason { | |
32 ENDED_EXTERNALLY, | |
33 ESCAPE_PRESSED, | |
34 MOUSE_UP, | |
35 WINDOW_DESTROYED, | |
36 }; | |
37 | |
38 void OnPositionChanged(); | |
39 | |
40 BridgedNativeWidget* owner_; // Weak. Owns this. | |
41 | |
42 // Initial mouse location at the time before the CocoaWindowMoveLoop is | |
43 // created. The first simulated click will happen in this location to | |
44 // guarantee it reaches the expected NSWindow. | |
45 gfx::Point initial_mouse_in_screen_; | |
46 | |
47 // Pointer to a stack variable holding the exit reason. | |
48 LoopExitReason* exit_reason_ref_ = nullptr; | |
49 base::Closure quit_closure_; | |
50 | |
51 // WeakPtrFactory for event monitor safety. | |
52 base::WeakPtrFactory<CocoaWindowMoveLoop> weak_factory_; | |
53 | |
54 DISALLOW_COPY_AND_ASSIGN(CocoaWindowMoveLoop); | |
55 }; | |
56 | |
57 } // namespace views | |
58 | |
59 #endif // UI_VIEWS_COCOA_COCOA_WINDOW_MOVE_LOOP_H_ | |
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