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1 /*
2  * Copyright (C) 2006 Zack Rusin <zack@kde.org>
3  * Copyright (C) 2007 Ryan Leavengood <leavengood@gmail.com>
4  * Copyright (C) 2009 Maxime Simon <simon.maxime@gmail.com>
5  * Copyright (C) 2010 Stephan Aßmus <superstippi@gmx.de>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include "config.h"
30 #include "EventHandler.h"
31 
32 #include "ClipboardHaiku.h"
33 #include "EventNames.h"
34 #include "FocusController.h"
35 #include "Frame.h"
36 #include "FrameView.h"
37 #include "HitTestResult.h"
38 #include "KeyboardEvent.h"
39 #include "MouseEventWithHitTestResults.h"
40 #include "NotImplemented.h"
41 #include "Page.h"
42 #include "PlatformKeyboardEvent.h"
43 #include "PlatformWheelEvent.h"
44 #include "RenderWidget.h"
45 
46 #include <interface/View.h>
47 
48 
49 namespace WebCore {
50 
51 const double EventHandler::TextDragDelay = 0.0;
52 
tabsToAllFormControls(KeyboardEvent * event) const53 bool EventHandler::tabsToAllFormControls(KeyboardEvent* event) const
54 {
55     bool handlingOptionTab = isKeyboardOptionTab(event);
56 
57     return handlingOptionTab;
58 }
59 
focusDocumentView()60 void EventHandler::focusDocumentView()
61 {
62     BView* view = m_frame->view()->platformWidget();
63     if (view && view->LockLooperWithTimeout(5000) == B_OK) {
64         view->MakeFocus(true);
65         view->UnlockLooper();
66     }
67 
68     Page* page = m_frame->page();
69     if (page)
70         page->focusController()->setFocusedFrame(m_frame);
71 }
72 
passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults & event)73 bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults& event)
74 {
75     // Figure out which view to send the event to.
76     RenderObject* target = targetNode(event) ? targetNode(event)->renderer() : 0;
77     if (!target || !target->isWidget())
78         return false;
79     return passMouseDownEventToWidget(toRenderWidget(target)->widget());
80 }
81 
passWidgetMouseDownEventToWidget(RenderWidget * renderWidget)82 bool EventHandler::passWidgetMouseDownEventToWidget(RenderWidget* renderWidget)
83 {
84     return passMouseDownEventToWidget(renderWidget->widget());
85 }
86 
passMouseDownEventToWidget(Widget * widget)87 bool EventHandler::passMouseDownEventToWidget(Widget* widget)
88 {
89     notImplemented();
90     return false;
91 }
92 
eventActivatedView(const PlatformMouseEvent & event) const93 bool EventHandler::eventActivatedView(const PlatformMouseEvent& event) const
94 {
95     // On Haiku, clicks which activate the window in non focus-follows-mouse mode
96     // are not passed to the window, so any event we generate is not the activation
97     // event.
98     return false;
99 }
100 
passWheelEventToWidget(PlatformWheelEvent & event,Widget * widget)101 bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& event, Widget* widget)
102 {
103     if (!widget->isFrameView())
104         return false;
105 
106     return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(event);
107 }
108 
createDraggingClipboard() const109 PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
110 {
111     return ClipboardHaiku::create(ClipboardWritable, Clipboard::DragAndDrop);
112 }
113 
passMousePressEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)114 bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
115 {
116     subframe->eventHandler()->handleMousePressEvent(mev.event());
117     return true;
118 }
119 
passMouseMoveEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe,HitTestResult * hoveredNode)120 bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
121 {
122     subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
123     return true;
124 }
125 
passMouseReleaseEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)126 bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
127 {
128     subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
129     return true;
130 }
131 
accessKeyModifiers()132 unsigned EventHandler::accessKeyModifiers()
133 {
134     // NOTE: On Haiku, the user can choose Alt or Ctrl as access key, but
135     // the PlatformKeyboardEvent already takes care of this, internally,
136     // we always use Alt.
137     return PlatformKeyboardEvent::AltKey;
138 }
139 
140 } // namespace WebCore
141 
142