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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_VIEWS_WIDGET_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_ | |
6 #define UI_VIEWS_WIDGET_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_ | |
7 | |
8 #include <X11/Xlib.h> | |
9 | |
10 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class. | |
11 #undef RootWindow | |
12 | |
13 #include "base/callback.h" | |
14 #include "base/compiler_specific.h" | |
15 #include "base/message_loop.h" | |
16 #include "ui/aura/client/window_move_client.h" | |
17 #include "ui/aura/event_filter.h" | |
18 #include "ui/views/views_export.h" | |
19 #include "ui/gfx/point.h" | |
20 | |
21 namespace aura { | |
22 class RootWindow; | |
23 } | |
24 | |
25 namespace views { | |
26 | |
27 // When we're dragging tabs, we need to manually position our window. | |
28 class VIEWS_EXPORT X11DesktopWindowMoveClient | |
29 : public MessageLoop::Dispatcher, | |
30 public aura::client::WindowMoveClient { | |
31 public: | |
32 X11DesktopWindowMoveClient(); | |
33 virtual ~X11DesktopWindowMoveClient(); | |
34 | |
35 // Overridden from MessageLoop::Dispatcher: | |
36 virtual bool Dispatch(const base::NativeEvent& event) OVERRIDE; | |
37 | |
38 // Overridden from aura::client::WindowMoveClient: | |
39 virtual aura::client::WindowMoveResult RunMoveLoop( | |
40 aura::Window* window, | |
41 const gfx::Vector2d& drag_offset) OVERRIDE; | |
42 virtual void EndMoveLoop() OVERRIDE; | |
43 | |
44 private: | |
45 // Are we running a nested message loop from RunMoveLoop()? | |
46 bool in_move_loop_; | |
47 | |
48 // An invisible InputOnly window . We create this window so we can track the | |
49 // cursor wherever it goes on screen during a drag, since normal windows | |
50 // don't receive pointer motion events outside of their bounds. | |
51 ::Window grab_input_window_; | |
52 | |
53 // We need to keep track of this so we can actually move it when reacting to | |
54 // events from |grab_input_window_| during Dispatch(). | |
55 aura::RootWindow* root_window_; | |
56 | |
57 // Our cursor offset from the top left window origin when the drag | |
58 // started. Used to calculate the window's new bounds relative to the current | |
59 // location of the cursor. | |
60 gfx::Vector2d window_offset_; | |
61 | |
62 base::Closure quit_closure_; | |
63 }; | |
64 | |
65 } // namespace views | |
66 | |
67 #endif // UI_VIEWS_WIDGET_X11_DESKTOP_WINDOW_MOVE_CLIENT_H_ | |
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