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
|
/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if PLATFORM(IOS_FAMILY)
#import <wtf/Forward.h>
#import <wtf/WeakObjCPtr.h>
#import <wtf/WeakPtr.h>
OBJC_CLASS BKSApplicationStateMonitor;
OBJC_CLASS UIView;
OBJC_CLASS UIWindow;
namespace WebKit {
class ApplicationStateTracker : public CanMakeWeakPtr<ApplicationStateTracker> {
WTF_MAKE_FAST_ALLOCATED;
public:
ApplicationStateTracker(UIView *, SEL didEnterBackgroundSelector, SEL willEnterForegroundSelector, SEL willBeginSnapshotSequenceSelector, SEL didCompleteSnapshotSequenceSelector);
~ApplicationStateTracker();
bool isInBackground() const { return m_isInBackground; }
private:
void applicationDidEnterBackground();
void applicationDidFinishSnapshottingAfterEnteringBackground();
void applicationWillEnterForeground();
void willBeginSnapshotSequence();
void didCompleteSnapshotSequence();
WeakObjCPtr<UIView> m_view;
SEL m_didEnterBackgroundSelector;
SEL m_willEnterForegroundSelector;
SEL m_willBeginSnapshotSequenceSelector;
SEL m_didCompleteSnapshotSequenceSelector;
bool m_isInBackground;
id m_didEnterBackgroundObserver;
id m_willEnterForegroundObserver;
id m_willBeginSnapshotSequenceObserver;
id m_didCompleteSnapshotSequenceObserver;
};
enum class ApplicationType {
Application,
ViewService,
Extension,
};
ApplicationType applicationType(UIWindow *);
}
#endif
|
