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      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 #if ENABLE(TOUCH_EVENTS)
     30 
     31 #include "ArgumentCoders.h"
     32 #include "Arguments.h"
     33 
     34 namespace WebKit {
     35 
     36 WebTouchEvent::WebTouchEvent(WebEvent::Type type, Vector<WebPlatformTouchPoint> touchPoints, bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, Modifiers modifiers, double timestamp)
     37     : WebEvent(type, modifiers, timestamp)
     38     , m_touchPoints(touchPoints)
     39     , m_ctrlKey(ctrlKey)
     40     , m_altKey(altKey)
     41     , m_shiftKey(shiftKey)
     42     , m_metaKey(metaKey)
     43 {
     44     ASSERT(isTouchEventType(type));
     45 }
     46 
     47 void WebTouchEvent::encode(CoreIPC::ArgumentEncoder* encoder) const
     48 {
     49     WebEvent::encode(encoder);
     50 
     51     encoder->encode(CoreIPC::In(m_touchPoints));
     52 }
     53 
     54 bool WebTouchEvent::decode(CoreIPC::ArgumentDecoder* decoder, WebTouchEvent& t)
     55 {
     56     if (!WebEvent::decode(decoder, t))
     57         return false;
     58 
     59     return decoder->decode(CoreIPC::Out(t.m_touchPoints));
     60 }
     61 
     62 bool WebTouchEvent::isTouchEventType(Type type)
     63 {
     64     return type == TouchStart || type == TouchMove || type == TouchEnd || type == TouchCancel;
     65 }
     66 
     67 } // namespace WebKit
     68 
     69 #endif // ENABLE(TOUCH_EVENTS)
     70