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1 /*
2  * Copyright (C) 2011 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 #if ENABLE(GESTURE_EVENTS)
30 
31 #include "Arguments.h"
32 #include "WebCoreArgumentCoders.h"
33 
34 using namespace WebCore;
35 
36 namespace WebKit {
37 
WebGestureEvent(Type type,const IntPoint & position,const IntPoint & globalPosition,Modifiers modifiers,double timestamp)38 WebGestureEvent::WebGestureEvent(Type type, const IntPoint& position, const IntPoint& globalPosition, Modifiers modifiers, double timestamp)
39     : WebEvent(type, modifiers, timestamp)
40     , m_position(position)
41     , m_globalPosition(globalPosition)
42 {
43     ASSERT(isGestureEventType(type));
44 }
45 
encode(CoreIPC::ArgumentEncoder * encoder) const46 void WebGestureEvent::encode(CoreIPC::ArgumentEncoder* encoder) const
47 {
48     WebEvent::encode(encoder);
49 
50     encoder->encode(m_position);
51     encoder->encode(m_globalPosition);
52 }
53 
decode(CoreIPC::ArgumentDecoder * decoder,WebGestureEvent & t)54 bool WebGestureEvent::decode(CoreIPC::ArgumentDecoder* decoder, WebGestureEvent& t)
55 {
56     if (!WebEvent::decode(decoder, t))
57         return false;
58     if (!decoder->decode(t.m_position))
59         return false;
60     if (!decoder->decode(t.m_globalPosition))
61         return false;
62     return true;
63 }
64 
isGestureEventType(Type type)65 bool WebGestureEvent::isGestureEventType(Type type)
66 {
67     return type == GestureScrollBegin || type == GestureScrollEnd;
68 }
69 
70 } // namespace WebKit
71 
72 #endif // ENABLE(GESTURE_EVENTS)
73