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
|
/*
* Copyright (C) 2012 Google 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.
*/
#ifndef PointerLockController_h
#define PointerLockController_h
#include "core/CoreExport.h"
#include "platform/heap/Handle.h"
#include "wtf/RefPtr.h"
#include "wtf/text/AtomicString.h"
namespace blink {
class Element;
class Document;
class Page;
class PlatformMouseEvent;
class CORE_EXPORT PointerLockController final
: public GarbageCollected<PointerLockController> {
WTF_MAKE_NONCOPYABLE(PointerLockController);
public:
static PointerLockController* create(Page*);
void requestPointerLock(Element* target);
void requestPointerUnlock();
void elementRemoved(Element*);
void documentDetached(Document*);
bool lockPending() const;
Element* element() const;
void didAcquirePointerLock();
void didNotAcquirePointerLock();
void didLosePointerLock();
void dispatchLockedMouseEvent(const PlatformMouseEvent&,
const AtomicString& eventType);
DECLARE_TRACE();
private:
explicit PointerLockController(Page*);
void clearElement();
void enqueueEvent(const AtomicString& type, Element*);
void enqueueEvent(const AtomicString& type, Document*);
Member<Page> m_page;
bool m_lockPending;
Member<Element> m_element;
Member<Document> m_documentOfRemovedElementWhileWaitingForUnlock;
};
} // namespace blink
#endif // PointerLockController_h
|
