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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 ASH_COMMON_SHELL_DELEGATE_H_ | |
6 #define ASH_COMMON_SHELL_DELEGATE_H_ | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 | |
11 #include "ash/ash_export.h" | |
12 #include "base/callback.h" | |
13 #include "base/strings/string16.h" | |
14 | |
15 class GURL; | |
16 | |
17 namespace gfx { | |
18 class Image; | |
19 } | |
20 | |
21 namespace keyboard { | |
22 class KeyboardUI; | |
23 } | |
24 | |
25 namespace service_manager { | |
26 class Connector; | |
27 } | |
28 | |
29 namespace ui { | |
30 class MenuModel; | |
31 } | |
32 | |
33 namespace ash { | |
34 | |
35 class AccessibilityDelegate; | |
36 class GPUSupport; | |
37 class PaletteDelegate; | |
38 class SessionStateDelegate; | |
39 class ShelfDelegate; | |
40 class ShelfModel; | |
41 class SystemTrayDelegate; | |
42 struct ShelfItem; | |
43 class WallpaperDelegate; | |
44 class WmShelf; | |
45 class WmWindow; | |
46 | |
47 // Delegate of the Shell. | |
48 class ASH_EXPORT ShellDelegate { | |
49 public: | |
50 // The Shell owns the delegate. | |
51 virtual ~ShellDelegate() {} | |
52 | |
53 // Returns the connector for the mojo service manager. Returns null in tests. | |
54 virtual service_manager::Connector* GetShellConnector() const = 0; | |
55 | |
56 // Returns true if multi-profiles feature is enabled. | |
57 virtual bool IsMultiProfilesEnabled() const = 0; | |
58 | |
59 // Returns true if incognito mode is allowed for the user. | |
60 // Incognito windows are restricted for supervised users. | |
61 virtual bool IsIncognitoAllowed() const = 0; | |
62 | |
63 // Returns true if we're running in forced app mode. | |
64 virtual bool IsRunningInForcedAppMode() const = 0; | |
65 | |
66 // Returns true if |window| can be shown for the delegate's concept of current | |
67 // user. | |
68 virtual bool CanShowWindowForUser(WmWindow* window) const = 0; | |
69 | |
70 // Returns true if the first window shown on first run should be | |
71 // unconditionally maximized, overriding the heuristic that normally chooses | |
72 // the window size. | |
73 virtual bool IsForceMaximizeOnFirstRun() const = 0; | |
74 | |
75 // Called before processing |Shell::Init()| so that the delegate | |
76 // can perform tasks necessary before the shell is initialized. | |
77 virtual void PreInit() = 0; | |
78 | |
79 // Called at the beginninig of Shell destructor so that | |
80 // delegate can use Shell instance to perform cleanup tasks. | |
81 virtual void PreShutdown() = 0; | |
82 | |
83 // Invoked when the user uses Ctrl-Shift-Q to close chrome. | |
84 virtual void Exit() = 0; | |
85 | |
86 // Create a shell-specific keyboard::KeyboardUI | |
87 virtual keyboard::KeyboardUI* CreateKeyboardUI() = 0; | |
88 | |
89 // Opens the |url| in a new browser tab. | |
90 virtual void OpenUrlFromArc(const GURL& url) = 0; | |
91 | |
92 // Creates a new ShelfDelegate. Shell takes ownership of the returned value. | |
93 virtual ShelfDelegate* CreateShelfDelegate(ShelfModel* model) = 0; | |
94 | |
95 // Creates a system-tray delegate. Shell takes ownership of the delegate. | |
96 virtual SystemTrayDelegate* CreateSystemTrayDelegate() = 0; | |
97 | |
98 // Creates a wallpaper delegate. Shell takes ownership of the delegate. | |
99 virtual std::unique_ptr<WallpaperDelegate> CreateWallpaperDelegate() = 0; | |
100 | |
101 // Creates a session state delegate. Shell takes ownership of the delegate. | |
102 virtual SessionStateDelegate* CreateSessionStateDelegate() = 0; | |
103 | |
104 // Creates a accessibility delegate. Shell takes ownership of the delegate. | |
105 virtual AccessibilityDelegate* CreateAccessibilityDelegate() = 0; | |
106 | |
107 virtual std::unique_ptr<PaletteDelegate> CreatePaletteDelegate() = 0; | |
108 | |
109 // Creates a menu model for the |wm_shelf| and optional shelf |item|. | |
110 // If |item| is null, this creates a context menu for the wallpaper or shelf. | |
111 virtual ui::MenuModel* CreateContextMenu(WmShelf* wm_shelf, | |
112 const ShelfItem* item) = 0; | |
113 | |
114 // Creates a GPU support object. Shell takes ownership of the object. | |
115 virtual GPUSupport* CreateGPUSupport() = 0; | |
116 | |
117 // Get the product name. | |
118 virtual base::string16 GetProductName() const = 0; | |
119 | |
120 virtual void OpenKeyboardShortcutHelpPage() const {} | |
121 | |
122 virtual gfx::Image GetDeprecatedAcceleratorImage() const = 0; | |
123 | |
124 // If |use_local_state| is true, returns the touchscreen status from local | |
125 // state, otherwise from user prefs. | |
126 virtual bool IsTouchscreenEnabledInPrefs(bool use_local_state) const = 0; | |
127 | |
128 // Sets the status of touchscreen to |enabled| in prefs. If |use_local_state|, | |
129 // pref is set in local state, otherwise in user prefs. | |
130 virtual void SetTouchscreenEnabledInPrefs(bool enabled, | |
131 bool use_local_state) = 0; | |
132 | |
133 // Updates the enabled/disabled status of the touchscreen from prefs. Enabled | |
134 // if both local state and user prefs are enabled, otherwise disabled. | |
135 virtual void UpdateTouchscreenStatusFromPrefs() = 0; | |
136 | |
137 // Toggles the status of touchpad between enabled and disabled. | |
138 virtual void ToggleTouchpad() {} | |
139 }; | |
140 | |
141 } // namespace ash | |
142 | |
143 #endif // ASH_COMMON_SHELL_DELEGATE_H_ | |
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