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 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) 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 67 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 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 } 107 108 bool WebWheelEvent::isWheelEventType(Type type) 109 { 110 return type == Wheel; 111 } 112 113 } // namespace WebKit 114
