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      1 /*
      2  * Copyright (C) 2006 Apple Computer, 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "core/loader/NavigationAction.h"
     31 
     32 #include "core/events/MouseEvent.h"
     33 #include "core/loader/FrameLoader.h"
     34 
     35 namespace blink {
     36 
     37 static NavigationType navigationType(FrameLoadType frameLoadType, bool isFormSubmission, bool haveEvent)
     38 {
     39     bool isReload = frameLoadType == FrameLoadTypeReload || frameLoadType == FrameLoadTypeReloadFromOrigin;
     40     bool isBackForward = isBackForwardLoadType(frameLoadType);
     41     if (isFormSubmission)
     42         return (isReload || isBackForward) ? NavigationTypeFormResubmitted : NavigationTypeFormSubmitted;
     43     if (haveEvent)
     44         return NavigationTypeLinkClicked;
     45     if (isReload)
     46         return NavigationTypeReload;
     47     if (isBackForward)
     48         return NavigationTypeBackForward;
     49     return NavigationTypeOther;
     50 }
     51 
     52 NavigationAction::NavigationAction()
     53     : m_type(NavigationTypeOther)
     54 {
     55 }
     56 
     57 NavigationAction::NavigationAction(const ResourceRequest& resourceRequest, FrameLoadType frameLoadType,
     58     bool isFormSubmission, PassRefPtrWillBeRawPtr<Event> passEvent)
     59     : m_resourceRequest(resourceRequest)
     60 {
     61     RefPtrWillBeRawPtr<Event> event = passEvent;
     62     m_type = navigationType(frameLoadType, isFormSubmission || resourceRequest.httpBody(), event);
     63     m_eventTimeStamp = event ? event->timeStamp() : 0;
     64 
     65     const MouseEvent* mouseEvent = 0;
     66     if (m_type == NavigationTypeLinkClicked) {
     67         ASSERT(event);
     68         if (event->isMouseEvent())
     69             mouseEvent = toMouseEvent(event.get());
     70     } else if (m_type == NavigationTypeFormSubmitted && event && event->underlyingEvent() && event->underlyingEvent()->isMouseEvent()) {
     71         mouseEvent = toMouseEvent(event->underlyingEvent());
     72     }
     73 
     74     if (!mouseEvent || !navigationPolicyFromMouseEvent(mouseEvent->button(), mouseEvent->ctrlKey(), mouseEvent->shiftKey(), mouseEvent->altKey(), mouseEvent->metaKey(), &m_policy))
     75         m_policy = NavigationPolicyCurrentTab;
     76 }
     77 
     78 }
     79