1 /*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "WebEvent.h"
28
29 #include "Arguments.h"
30 #include "WebCoreArgumentCoders.h"
31
32 using namespace WebCore;
33
34 namespace WebKit {
35
WebWheelEvent(Type type,const IntPoint & position,const IntPoint & globalPosition,const FloatSize & delta,const FloatSize & wheelTicks,Granularity granularity,Modifiers modifiers,double timestamp)36 WebWheelEvent::WebWheelEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, const FloatSize& delta, const FloatSize& wheelTicks, Granularity granularity, Modifiers modifiers, double timestamp)
37 : WebEvent(type, modifiers, timestamp)
38 , m_position(position)
39 , m_globalPosition(globalPosition)
40 , m_delta(delta)
41 , m_wheelTicks(wheelTicks)
42 , m_granularity(granularity)
43 #if PLATFORM(MAC)
44 , m_phase(PhaseNone)
45 , m_hasPreciseScrollingDeltas(false)
46 #endif
47 {
48 ASSERT(isWheelEventType(type));
49 }
50
51 #if PLATFORM(MAC)
WebWheelEvent(Type type,const IntPoint & position,const IntPoint & globalPosition,const FloatSize & delta,const FloatSize & wheelTicks,Granularity granularity,Phase phase,Phase momentumPhase,bool hasPreciseScrollingDeltas,Modifiers modifiers,double timestamp)52 WebWheelEvent::WebWheelEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, const FloatSize& delta, const FloatSize& wheelTicks, Granularity granularity, Phase phase, Phase momentumPhase, bool hasPreciseScrollingDeltas, Modifiers modifiers, double timestamp)
53 : WebEvent(type, modifiers, timestamp)
54 , m_position(position)
55 , m_globalPosition(globalPosition)
56 , m_delta(delta)
57 , m_wheelTicks(wheelTicks)
58 , m_granularity(granularity)
59 , m_phase(phase)
60 , m_momentumPhase(momentumPhase)
61 , m_hasPreciseScrollingDeltas(hasPreciseScrollingDeltas)
62 {
63 ASSERT(isWheelEventType(type));
64 }
65 #endif
66
encode(CoreIPC::ArgumentEncoder * encoder) const67 void WebWheelEvent::encode(CoreIPC::ArgumentEncoder* encoder) const
68 {
69 WebEvent::encode(encoder);
70
71 encoder->encode(m_position);
72 encoder->encode(m_globalPosition);
73 encoder->encode(m_delta);
74 encoder->encode(m_wheelTicks);
75 encoder->encode(m_granularity);
76 #if PLATFORM(MAC)
77 encoder->encode(m_phase);
78 encoder->encode(m_momentumPhase);
79 encoder->encode(m_hasPreciseScrollingDeltas);
80 #endif
81 }
82
decode(CoreIPC::ArgumentDecoder * decoder,WebWheelEvent & t)83 bool WebWheelEvent::decode(CoreIPC::ArgumentDecoder* decoder, WebWheelEvent& t)
84 {
85 if (!WebEvent::decode(decoder, t))
86 return false;
87 if (!decoder->decode(t.m_position))
88 return false;
89 if (!decoder->decode(t.m_globalPosition))
90 return false;
91 if (!decoder->decode(t.m_delta))
92 return false;
93 if (!decoder->decode(t.m_wheelTicks))
94 return false;
95 if (!decoder->decode(t.m_granularity))
96 return false;
97 #if PLATFORM(MAC)
98 if (!decoder->decode(t.m_phase))
99 return false;
100 if (!decoder->decode(t.m_momentumPhase))
101 return false;
102 if (!decoder->decode(t.m_hasPreciseScrollingDeltas))
103 return false;
104 #endif
105 return true;
106 }
107
isWheelEventType(Type type)108 bool WebWheelEvent::isWheelEventType(Type type)
109 {
110 return type == Wheel;
111 }
112
113 } // namespace WebKit
114