1/*
2 * Copyright (C) 2006 Zack Rusin <zack@kde.org>
3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
4 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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 "Clipboard.h"
32#include "Cursor.h"
33#include "Document.h"
34#include "EventNames.h"
35#include "FloatPoint.h"
36#include "FocusController.h"
37#include "Frame.h"
38#include "FrameLoader.h"
39#include "FrameTree.h"
40#include "FrameView.h"
41#include "HTMLFrameSetElement.h"
42#include "HitTestRequest.h"
43#include "HitTestResult.h"
44#include "KeyboardEvent.h"
45#include "MouseEventWithHitTestResults.h"
46#include "NotImplemented.h"
47#include "Page.h"
48#include "PlatformKeyboardEvent.h"
49#include "PlatformWheelEvent.h"
50#include "RenderWidget.h"
51#include "Scrollbar.h"
52
53namespace WebCore {
54
55#if defined(Q_WS_MAC)
56const double EventHandler::TextDragDelay = 0.15;
57#else
58const double EventHandler::TextDragDelay = 0.0;
59#endif
60
61bool EventHandler::tabsToAllFormControls(KeyboardEvent* event) const
62{
63    return !isKeyboardOptionTab(event);
64}
65
66void EventHandler::focusDocumentView()
67{
68    Page* page = m_frame->page();
69    if (!page)
70        return;
71    page->focusController()->setFocusedFrame(m_frame);
72}
73
74bool EventHandler::passWidgetMouseDownEventToWidget(const MouseEventWithHitTestResults&)
75{
76    notImplemented();
77    return false;
78}
79
80bool EventHandler::eventActivatedView(const PlatformMouseEvent&) const
81{
82    // Qt has an activation event which is sent independently
83    //   of mouse event so this thing will be a snafu to implement
84    //   correctly
85    return false;
86}
87
88bool EventHandler::passWheelEventToWidget(const PlatformWheelEvent& event, Widget* widget)
89{
90    Q_ASSERT(widget);
91    if (!widget->isFrameView())
92        return false;
93
94    return toFrameView(widget)->frame()->eventHandler()->handleWheelEvent(event);
95}
96
97PassRefPtr<Clipboard> EventHandler::createDraggingClipboard() const
98{
99    return Clipboard::createForDragAndDrop();
100}
101
102bool EventHandler::passMousePressEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
103{
104    subframe->eventHandler()->handleMousePressEvent(mev.event());
105    return true;
106}
107
108bool EventHandler::passMouseMoveEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe, HitTestResult* hoveredNode)
109{
110    subframe->eventHandler()->handleMouseMoveEvent(mev.event(), hoveredNode);
111    return true;
112}
113
114bool EventHandler::passMouseReleaseEventToSubframe(MouseEventWithHitTestResults& mev, Frame* subframe)
115{
116    subframe->eventHandler()->handleMouseReleaseEvent(mev.event());
117    return true;
118}
119
120unsigned EventHandler::accessKeyModifiers()
121{
122#if OS(DARWIN)
123    return PlatformEvent::CtrlKey | PlatformEvent::AltKey;
124#else
125    return PlatformEvent::AltKey;
126#endif
127}
128
129}
130