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
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
* Copyright (C) 2010 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 SpinButtonElement_h
#define SpinButtonElement_h
#include "core/html/HTMLDivElement.h"
#include "core/page/PopupOpeningObserver.h"
#include "platform/Timer.h"
namespace WebCore {
class SpinButtonElement FINAL : public HTMLDivElement, public PopupOpeningObserver {
public:
enum UpDownState {
Indeterminate, // Hovered, but the event is not handled.
Down,
Up,
};
enum EventDispatch {
EventDispatchAllowed,
EventDispatchDisallowed,
};
class SpinButtonOwner : public WillBeGarbageCollectedMixin {
public:
virtual ~SpinButtonOwner() { }
virtual void focusAndSelectSpinButtonOwner() = 0;
virtual bool shouldSpinButtonRespondToMouseEvents() = 0;
virtual bool shouldSpinButtonRespondToWheelEvents() = 0;
virtual void spinButtonDidReleaseMouseCapture(EventDispatch) = 0;
virtual void spinButtonStepDown() = 0;
virtual void spinButtonStepUp() = 0;
};
// The owner of SpinButtonElement must call removeSpinButtonOwner
// because SpinButtonElement can be outlive SpinButtonOwner
// implementation, e.g. during event handling.
static PassRefPtrWillBeRawPtr<SpinButtonElement> create(Document&, SpinButtonOwner&);
UpDownState upDownState() const { return m_upDownState; }
void releaseCapture(EventDispatch = EventDispatchAllowed);
void removeSpinButtonOwner() { m_spinButtonOwner = nullptr; }
void step(int amount);
virtual bool willRespondToMouseMoveEvents() OVERRIDE;
virtual bool willRespondToMouseClickEvents() OVERRIDE;
void forwardEvent(Event*);
virtual void trace(Visitor*) OVERRIDE;
private:
SpinButtonElement(Document&, SpinButtonOwner&);
virtual void detach(const AttachContext&) OVERRIDE;
virtual bool isSpinButtonElement() const OVERRIDE { return true; }
virtual bool isDisabledFormControl() const OVERRIDE { return shadowHost() && shadowHost()->isDisabledFormControl(); }
virtual bool matchesReadOnlyPseudoClass() const OVERRIDE;
virtual bool matchesReadWritePseudoClass() const OVERRIDE;
virtual void defaultEventHandler(Event*) OVERRIDE;
virtual void willOpenPopup() OVERRIDE;
void doStepAction(int);
void startRepeatingTimer();
void stopRepeatingTimer();
void repeatingTimerFired(Timer<SpinButtonElement>*);
virtual void setHovered(bool = true) OVERRIDE;
bool shouldRespondToMouseEvents();
virtual bool isMouseFocusable() const OVERRIDE { return false; }
RawPtrWillBeMember<SpinButtonOwner> m_spinButtonOwner;
bool m_capturing;
UpDownState m_upDownState;
UpDownState m_pressStartingState;
Timer<SpinButtonElement> m_repeatingTimer;
};
DEFINE_TYPE_CASTS(SpinButtonElement, Node, node, toElement(node)->isSpinButtonElement(), toElement(node).isSpinButtonElement());
} // namespace
#endif
|
