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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 ASH_WM_PINNED_CONTROLLER_H_ | |
6 #define ASH_WM_PINNED_CONTROLLER_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "ash/common/shell_observer.h" | |
11 #include "ash/common/wm_window_observer.h" | |
12 #include "ash/display/window_tree_host_manager.h" | |
13 #include "base/macros.h" | |
14 | |
15 namespace ash { | |
16 | |
17 class WmWindow; | |
18 | |
19 namespace wm { | |
oshima
2016/06/17 10:26:54
Let's keep it just ash. I know it's not consistent
hidehiko
2016/06/17 17:19:22
Done.
| |
20 | |
21 // Handles pinned state. | |
22 class PinnedController : public ShellObserver, | |
oshima
2016/06/17 10:26:54
ScreenPinningController would be better because it
hidehiko
2016/06/17 17:19:22
Done.
| |
23 public WmWindowObserver, | |
24 public WindowTreeHostManager::Observer { | |
25 public: | |
26 PinnedController(); | |
27 ~PinnedController() override; | |
28 | |
29 // Returns true if in pinned mode, otherwise false. | |
30 bool IsPinned() const; | |
31 | |
32 private: | |
33 // Pinned window should be on top in the parent window. | |
34 WmWindow* pinned_window_ = nullptr; | |
oshima
2016/06/17 10:26:54
new line. same for below.
hidehiko
2016/06/17 17:19:22
Done.
| |
35 // Dim background window just behind of the pinned window. | |
36 // Not owned. The parent has its ownership. | |
37 WmWindow* background_window_ = nullptr; | |
38 // In pinned mode, all displays other than the one where pinned_window_ is. | |
39 // Similar to background_window_, not owned. | |
40 std::vector<WmWindow*> dim_windows_; | |
41 // Set true only when restacking done by this controller. | |
42 bool in_restacking_ = false; | |
43 | |
44 // Keeps the pinned window on top of the siblings. | |
45 void KeepPinnedWindowOnTop(); | |
46 | |
47 // Keeps the dim window on top of the container. | |
48 void KeepDimWindowOnTop(WmWindow* container); | |
49 | |
50 // ShellObserver override. | |
51 void OnPinnedStateChanged(WmWindow* pinned_window) override; | |
52 | |
53 // WmWindowObserver override. | |
oshima
2016/06/17 10:26:54
nit: // WmWindowObserver:
hidehiko
2016/06/17 17:19:22
Acknowledged.
| |
54 void OnWindowTreeChanging(WmWindow* window, | |
55 const TreeChangeParams& params) override; | |
56 void OnWindowTreeChanged(WmWindow* window, | |
57 const TreeChangeParams& params) override; | |
58 void OnWindowStackingChanged(WmWindow* window) override; | |
59 void OnWindowDestroying(WmWindow* window) override; | |
60 | |
61 // WindowTreeHostManager::Observer override. | |
oshima
2016/06/17 10:26:54
// WindowTreeHostManager::Observer:
hidehiko
2016/06/17 17:19:22
Done.
| |
62 void OnDisplayConfigurationChanged() override; | |
63 | |
64 DISALLOW_COPY_AND_ASSIGN(PinnedController); | |
65 }; | |
66 | |
67 } // namespace wm | |
68 } // namespace ash | |
69 | |
70 #endif // ASH_WM_PINNED_CONTROLLER_H_ | |
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