1 /*
2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2007-2009 Torch Mobile, Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "EventHandler.h"
29
30 #include "Cursor.h"
31 #include "FloatPoint.h"
32 #include "FocusController.h"
33 #include "FrameView.h"
34 #include "Frame.h"
35 #include "HitTestRequest.h"
36 #include "HitTestResult.h"
37 #include "MouseEventWithHitTestResults.h"
38 #include "Page.h"
39 #include "PlatformKeyboardEvent.h"
40 #include "PlatformWheelEvent.h"
41 #include "Scrollbar.h"
42 #include "SelectionController.h"
43 #include "WCDataObject.h"
44 #include "NotImplemented.h"
45
46 #if OS(WINCE)
47 #include "Clipboard.h"
48 #else
49 #include "ClipboardWin.h"
50 #endif
51
52 namespace WebCore {
53
54 const double EventHandler::TextDragDelay = 0.0;
55
passMousePressEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)56 bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
57 {
58 subframe->eventHandler()->handleMousePressEvent(mev.event());
59 return true;
60 }
61
passMouseMoveEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe,HitTestResult * hoveredNode)62 bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
63 {
64 if (m_mouseDownMayStartDrag && !m_mouseDownWasInSubframe)
65 return false;
66 subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
67 return true;
68 }
69
passMouseReleaseEventToSubframe(MouseEventWithHitTestResults & mev,Frame * subframe)70 bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
71 {
72 subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
73 return true;
74 }
75
passWheelEventToWidget(PlatformWheelEvent & wheelEvent,Widget * widget)76 bool EventHandler::passWheelEventToWidget(PlatformWheelEvent& wheelEvent, Widget* widget)
77 {
78 if (!widget->isFrameView())
79 return false;
80
81 return static_cast<FrameView*>(widget)->frame()->eventHandler()->handleWheelEvent(wheelEvent);
82 }
83
tabsToAllFormControls(KeyboardEvent *) const84 bool EventHandler::tabsToAllFormControls(KeyboardEvent*) const
85 {
86 return true;
87 }
88
eventActivatedView(const PlatformMouseEvent & event) const89 bool EventHandler::eventActivatedView(const PlatformMouseEvent& event) const
90 {
91 return event.didActivateWebView();
92 }
93
createDraggingClipboard() const94 PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
95 {
96 #if OS(WINCE)
97 return 0;
98 #else
99 COMPtr<WCDataObject> dataObject;
100 WCDataObject::createInstance(&dataObject);
101 return ClipboardWin::create(Clipboard::DragAndDrop, dataObject.get(), ClipboardWritable, m_frame);
102 #endif
103 }
104
focusDocumentView()105 void EventHandler::focusDocumentView()
106 {
107 Page* page = m_frame->page();
108 if (!page)
109 return;
110 page->focusController()->setFocusedFrame(m_frame);
111 }
112
passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults &)113 bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults&)
114 {
115 notImplemented();
116 return false;
117 }
118
accessKeyModifiers()119 unsigned EventHandler::accessKeyModifiers()
120 {
121 return PlatformKeyboardEvent::AltKey;
122 }
123
124 }
125