blob: 55b1a687a9cc4fcf8872b94be668b98fc4e48547 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_SHELL_DELEGATE_H_
#define ASH_SHELL_DELEGATE_H_
#pragma once
#include <vector>
#include "ash/ash_export.h"
#include "base/callback.h"
#include "base/string16.h"
namespace aura {
class Window;
}
namespace views {
class Widget;
}
namespace ash {
class AppListModel;
class AppListViewDelegate;
class LauncherDelegate;
class LauncherModel;
struct LauncherItem;
class ScreenshotDelegate;
class SystemTrayDelegate;
// Delegate of the Shell.
class ASH_EXPORT ShellDelegate {
public:
enum CycleOrder {
ORDER_MRU, // Most recently used
ORDER_LINEAR
};
// Source requesting the window list.
enum CycleSource {
// Windows are going to be used for alt-tab (or F5).
SOURCE_KEYBOARD,
// Windows are going to be cycled from the launcher.
SOURCE_LAUNCHER,
};
// The Shell owns the delegate.
virtual ~ShellDelegate() {}
// Invoked to create a new status area. Can return NULL.
virtual views::Widget* CreateStatusArea() = 0;
#if defined(OS_CHROMEOS)
// Invoked when a user uses Ctrl-Shift-L to lock the screen.
virtual void LockScreen() = 0;
#endif
// Invoked when a user uses Ctrl-Shift-Q to close chrome.
virtual void Exit() = 0;
// Invoked to ask the delegate to populate the |model|.
virtual void BuildAppListModel(AppListModel* model) = 0;
// Invoked to create an AppListViewDelegate. Shell takes the ownership of
// the created delegate.
virtual AppListViewDelegate* CreateAppListViewDelegate() = 0;
// Returns a list of windows to cycle with keyboard shortcuts (e.g. alt-tab
// or the window switching key). If |order_by_activity| is true then windows
// are returned in most-recently-used order with the currently active window
// at the front of the list. Otherwise any order may be returned. The list
// does not contain NULL pointers.
virtual std::vector<aura::Window*> GetCycleWindowList(
CycleSource source,
CycleOrder order) const = 0;
// Invoked to start taking partial screenshot.
virtual void StartPartialScreenshot(
ScreenshotDelegate* screenshot_delegate) = 0;
// Creates a new LauncherDelegate. Shell takes ownership of the returned
// value.
virtual LauncherDelegate* CreateLauncherDelegate(
ash::LauncherModel* model) = 0;
// Creates a system-tray delegate. Shell takes ownership of the delegate.
virtual SystemTrayDelegate* CreateSystemTrayDelegate() = 0;
};
} // namespace ash
#endif // ASH_SHELL_DELEGATE_H_
|
