blob: 29704a7ee2f05c8c9f09049bdd6d87cea34d04dd (
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
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_EXO_PERMISSION_H_
#define COMPONENTS_EXO_PERMISSION_H_
#include "base/time/time.h"
#include "ui/base/class_property.h"
namespace exo {
// An aura::Window property that adds a capability to a window.
class Permission {
public:
enum class Capability {
kActivate,
};
// Creates a permission with a |capability| that never expires.
explicit Permission(Capability capability);
// Create a permission with the given |capability| until |timeout| elapses.
Permission(Capability capability, base::TimeDelta timeout);
// Delete copy and move.
Permission(const Permission& other) = delete;
Permission(Permission&& other) = delete;
Permission& operator=(const Permission& other) = delete;
Permission& operator=(Permission&& other) = delete;
virtual ~Permission();
// Prevent this permission from returning true on subsequent Check()s.
void Revoke();
// Returns true iff this permission was created with the given |capability|
// and is not expired.
bool Check(Capability capability) const;
private:
Capability capability_;
base::Time expiry_;
};
extern const ui::ClassProperty<Permission*>* const kPermissionKey;
} // namespace exo
#endif // COMPONENTS_EXO_PERMISSION_H_
|
