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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (C) 2004, 2006, 2010, 2011 Apple Computer, 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.
*/
#import "config.h"
#import "PlatformWheelEvent.h"
#import "PlatformMouseEvent.h"
#import "Scrollbar.h"
#import "WebCoreSystemInterface.h"
#import <wtf/UnusedParam.h>
namespace WebCore {
static PlatformWheelEventPhase momentumPhaseForEvent(NSEvent *event)
{
uint32_t phase = PlatformWheelEventPhaseNone;
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
if ([event momentumPhase] & NSEventPhaseBegan)
phase |= PlatformWheelEventPhaseBegan;
if ([event momentumPhase] & NSEventPhaseStationary)
phase |= PlatformWheelEventPhaseStationary;
if ([event momentumPhase] & NSEventPhaseChanged)
phase |= PlatformWheelEventPhaseChanged;
if ([event momentumPhase] & NSEventPhaseEnded)
phase |= PlatformWheelEventPhaseEnded;
if ([event momentumPhase] & NSEventPhaseCancelled)
phase |= PlatformWheelEventPhaseCancelled;
#else
switch (wkGetNSEventMomentumPhase(event)) {
case wkEventPhaseNone:
phase = PlatformWheelEventPhaseNone;
break;
case wkEventPhaseBegan:
phase = PlatformWheelEventPhaseBegan;
break;
case wkEventPhaseChanged:
phase = PlatformWheelEventPhaseChanged;
break;
case wkEventPhaseEnded:
phase = PlatformWheelEventPhaseEnded;
break;
}
#endif
return static_cast<PlatformWheelEventPhase>(phase);
}
static PlatformWheelEventPhase phaseForEvent(NSEvent *event)
{
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
uint32_t phase = PlatformWheelEventPhaseNone;
if ([event phase] & NSEventPhaseBegan)
phase |= PlatformWheelEventPhaseBegan;
if ([event phase] & NSEventPhaseStationary)
phase |= PlatformWheelEventPhaseStationary;
if ([event phase] & NSEventPhaseChanged)
phase |= PlatformWheelEventPhaseChanged;
if ([event phase] & NSEventPhaseEnded)
phase |= PlatformWheelEventPhaseEnded;
if ([event phase] & NSEventPhaseCancelled)
phase |= PlatformWheelEventPhaseCancelled;
return static_cast<PlatformWheelEventPhase>(phase);
#else
UNUSED_PARAM(event);
return PlatformWheelEventPhaseNone;
#endif
}
PlatformWheelEvent::PlatformWheelEvent(NSEvent* event, NSView *windowView)
: m_position(pointForEvent(event, windowView))
, m_globalPosition(globalPointForEvent(event))
, m_granularity(ScrollByPixelWheelEvent)
, m_isAccepted(false)
, m_shiftKey([event modifierFlags] & NSShiftKeyMask)
, m_ctrlKey([event modifierFlags] & NSControlKeyMask)
, m_altKey([event modifierFlags] & NSAlternateKeyMask)
, m_metaKey([event modifierFlags] & NSCommandKeyMask)
, m_phase(phaseForEvent(event))
, m_momentumPhase(momentumPhaseForEvent(event))
, m_timestamp([event timestamp])
{
BOOL continuous;
wkGetWheelEventDeltas(event, &m_deltaX, &m_deltaY, &continuous);
if (continuous) {
m_wheelTicksX = m_deltaX / static_cast<float>(Scrollbar::pixelsPerLineStep());
m_wheelTicksY = m_deltaY / static_cast<float>(Scrollbar::pixelsPerLineStep());
m_hasPreciseScrollingDeltas = true;
} else {
m_wheelTicksX = m_deltaX;
m_wheelTicksY = m_deltaY;
m_deltaX *= static_cast<float>(Scrollbar::pixelsPerLineStep());
m_deltaY *= static_cast<float>(Scrollbar::pixelsPerLineStep());
m_hasPreciseScrollingDeltas = false;
}
}
} // namespace WebCore
|
