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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 "InjectedBundleNavigationAction.h"
     28 
     29 #include "WebFrame.h"
     30 #include <WebCore/Frame.h>
     31 #include <WebCore/HTMLFormElement.h>
     32 #include <WebCore/MouseEvent.h>
     33 #include <WebCore/NavigationAction.h>
     34 #include <WebCore/UIEventWithKeyState.h>
     35 
     36 using namespace WebCore;
     37 
     38 namespace WebKit {
     39 
     40 static const MouseEvent* mouseEventForNavigationAction(const NavigationAction& navigationAction)
     41 {
     42     for (const Event* e = navigationAction.event(); e; e = e->underlyingEvent()) {
     43         if (e->isMouseEvent())
     44             return static_cast<const MouseEvent*>(e);
     45     }
     46     return 0;
     47 }
     48 
     49 static WebMouseEvent::Button mouseButtonForMouseEvent(const MouseEvent* mouseEvent)
     50 {
     51     if (!mouseEvent)
     52         return WebMouseEvent::NoButton;
     53 
     54     if (!mouseEvent->buttonDown())
     55         return WebMouseEvent::NoButton;
     56 
     57     return static_cast<WebMouseEvent::Button>(mouseEvent->button());
     58 }
     59 
     60 WebEvent::Modifiers InjectedBundleNavigationAction::modifiersForNavigationAction(const NavigationAction& navigationAction)
     61 {
     62     uint32_t modifiers = 0;
     63     if (const UIEventWithKeyState* keyStateEvent = findEventWithKeyState(const_cast<Event*>(navigationAction.event()))) {
     64         if (keyStateEvent->shiftKey())
     65             modifiers |= WebEvent::ShiftKey;
     66         if (keyStateEvent->ctrlKey())
     67             modifiers |= WebEvent::ControlKey;
     68         if (keyStateEvent->altKey())
     69             modifiers |= WebEvent::AltKey;
     70         if (keyStateEvent->metaKey())
     71             modifiers |= WebEvent::MetaKey;
     72     }
     73 
     74     return static_cast<WebEvent::Modifiers>(modifiers);
     75 }
     76 
     77 WebMouseEvent::Button InjectedBundleNavigationAction::mouseButtonForNavigationAction(const NavigationAction& navigationAction)
     78 {
     79     return mouseButtonForMouseEvent(mouseEventForNavigationAction(navigationAction));
     80 }
     81 
     82 
     83 PassRefPtr<InjectedBundleNavigationAction> InjectedBundleNavigationAction::create(WebFrame* frame, const NavigationAction& action, PassRefPtr<FormState> formState)
     84 {
     85     return adoptRef(new InjectedBundleNavigationAction(frame, action, formState));
     86 }
     87 
     88 InjectedBundleNavigationAction::InjectedBundleNavigationAction(WebFrame* frame, const NavigationAction& navigationAction, PassRefPtr<FormState> prpFormState)
     89 {
     90     m_navigationType    = navigationAction.type();
     91     m_modifiers         = modifiersForNavigationAction(navigationAction);
     92 
     93     if (const MouseEvent* mouseEvent = mouseEventForNavigationAction(navigationAction)) {
     94         m_hitTestResult = InjectedBundleHitTestResult::create(frame->coreFrame()->eventHandler()->hitTestResultAtPoint(mouseEvent->absoluteLocation(), false));
     95         m_mouseButton   = mouseButtonForMouseEvent(mouseEvent);
     96     }
     97 
     98     RefPtr<FormState> formState = prpFormState;
     99     if (formState) {
    100         ASSERT(formState->form());
    101         m_formElement   = InjectedBundleNodeHandle::getOrCreate(formState->form());
    102     }
    103 }
    104 
    105 } // namespace WebKit
    106