1 /*
2 * Copyright (C) 2010 Company 100, Inc.
3 * Copyright 2009, The Android Open Source Project
4 * Copyright (C) 2006 Zack Rusin <zack@kde.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #include "config.h"
29 #include "EventHandler.h"
30
31 #include "ClipboardBrew.h"
32 #include "EventNames.h"
33 #include "FocusController.h"
34 #include "Frame.h"
35 #include "FrameView.h"
36 #include "HitTestResult.h"
37 #include "KeyboardEvent.h"
38 #include "MouseEventWithHitTestResults.h"
39 #include "NotImplemented.h"
40 #include "Page.h"
41 #include "PlatformKeyboardEvent.h"
42 #include "PlatformWheelEvent.h"
43 #include "RenderWidget.h"
44
45 namespace WebCore {
46
tabsToAllFormControls(KeyboardEvent * event) const47 bool EventHandler::tabsToAllFormControls(KeyboardEvent* event) const
48 {
49 return true;
50 }
51
focusDocumentView()52 void EventHandler::focusDocumentView()
53 {
54 Page* page = m_frame->page();
55 if (page)
56 page->focusController()->setFocusedFrame(m_frame);
57 }
58
passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults & event)59 bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
60 {
61 // Figure out which view to send the event to.
62 RenderObject* target = targetNode(event) ? targetNode(event)->renderer() : 0;
63 if (!target || !target->isWidget())
64 return false;
65 return passMouseDownEventToWidget(toRenderWidget(target)->widget());
66 }
67
passWidgetMouseDownEventToWidget(RenderWidget * renderWidget)68 bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
69 {
70 return passMouseDownEventToWidget(renderWidget->widget());
71 }
72
73 // This function is used to route the mouse down event to the native widgets, it seems like a
74 // work around for the Mac platform which does not support double clicks, but browsers do.
passMouseDownEventToWidget(Widget * widget)75 bool EventHandler::passMouseDownEventToWidget(Widget* widget)
76 {
77 notImplemented();
78 return false;
79 }
80
eventActivatedView(const PlatformMouseEvent &) const81 bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
82 {
83 notImplemented();
84 return false;
85 }
86
87 // This function is called for mouse events by FrameView::handleMousePressEvent().
88 // It is used to ensure that events are sync'ed correctly between frames. For example
89 // if the user presses down in one frame and up in another frame, this function will
90 // returns true, and pass the event to the correct frame.
passSubframeEventToSubframe(MouseEventWithHitTestResults & event,Frame * subframe,HitTestResult *)91 bool EventHandler::passSubframeEventToSubframe(MouseEventWithHitTestResults& event, Frame* subframe, HitTestResult*)
92 {
93 notImplemented();
94 return false;
95 }
96
97 // This is called to route wheel events to child widgets when they are RenderWidget
98 // as the parent usually gets wheel event. Don't have a mouse with a wheel to confirm
99 // the operation of this function.
passWheelEventToWidget(PlatformWheelEvent & event,Widget * widget)100 bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget)
101 {
102 notImplemented();
103 return false;
104 }
105
passMousePressEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)106 bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
107 {
108 return passSubframeEventToSubframe(mev, subframe);
109 }
110
passMouseMoveEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe,HitTestResult * hoveredNode)111 bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
112 {
113 return passSubframeEventToSubframe(mev, subframe, hoveredNode);
114 }
115
passMouseReleaseEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)116 bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
117 {
118 return passSubframeEventToSubframe(mev, subframe);
119 }
120
accessKeyModifiers()121 unsigned EventHandler::accessKeyModifiers()
122 {
123 return PlatformKeyboardEvent::AltKey;
124 }
125
126 } // namespace WebCore
127
128