1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <eventdispatcher.hxx>
#include <event.hxx>
#include <mutationevent.hxx>
#include <uievent.hxx>
#include <mouseevent.hxx>
#include "../dom/document.hxx"
namespace DOM { namespace events {
void CEventDispatcher::addListener(xmlNodePtr pNode, OUString aType, const Reference<XEventListener>& aListener, sal_Bool bCapture)
{
TypeListenerMap *const pTMap = (bCapture)
? (& m_CaptureListeners) : (& m_TargetListeners);
// get the multimap for the specified type
ListenerMap *pMap = 0;
TypeListenerMap::const_iterator tIter = pTMap->find(aType);
if (tIter == pTMap->end()) {
// the map has to be created
pMap = new ListenerMap();
pTMap->insert(TypeListenerMap::value_type(aType, pMap));
} else {
pMap = tIter->second;
}
if (pMap !=0)
pMap->insert(ListenerMap::value_type(pNode, aListener));
}
void CEventDispatcher::removeListener(xmlNodePtr pNode, OUString aType, const Reference<XEventListener>& aListener, sal_Bool bCapture)
{
TypeListenerMap *const pTMap = (bCapture)
? (& m_CaptureListeners) : (& m_TargetListeners);
// get the multimap for the specified type
TypeListenerMap::const_iterator tIter = pTMap->find(aType);
if (tIter != pTMap->end()) {
ListenerMap *pMap = tIter->second;
// find listeners of specied type for specified node
ListenerMap::iterator iter = pMap->find(pNode);
while (iter != pMap->end() && iter->first == pNode)
{
// erase all references to specified listener
if ((iter->second).is() && iter->second == aListener)
{
ListenerMap::iterator tmp_iter = iter;
++iter;
pMap->erase(tmp_iter);
}
else
++iter;
}
}
}
CEventDispatcher::~CEventDispatcher()
{
// delete the multimaps for the various types
for (TypeListenerMap::iterator aI = m_CaptureListeners.begin(); aI != m_CaptureListeners.end(); ++aI)
delete aI->second;
for (TypeListenerMap::iterator aI = m_TargetListeners.begin(); aI != m_TargetListeners.end(); ++aI)
delete aI->second;
}
void CEventDispatcher::callListeners(
TypeListenerMap const& rTMap,
xmlNodePtr const pNode,
OUString aType, Reference< XEvent > const& xEvent)
{
// get the multimap for the specified type
TypeListenerMap::const_iterator tIter = rTMap.find(aType);
if (tIter != rTMap.end()) {
ListenerMap *pMap = tIter->second;
ListenerMap::const_iterator iter = pMap->lower_bound(pNode);
ListenerMap::const_iterator ibound = pMap->upper_bound(pNode);
for( ; iter != ibound; ++iter )
{
if((iter->second).is())
(iter->second)->handleEvent(xEvent);
}
}
}
bool CEventDispatcher::dispatchEvent(
DOM::CDocument & rDocument, ::osl::Mutex & rMutex,
xmlNodePtr const pNode, Reference<XNode> const& xNode,
Reference< XEvent > const& i_xEvent) const
{
CEvent *pEvent = 0; // pointer to internal event representation
OUString const aType = i_xEvent->getType();
if (aType.equalsAscii("DOMSubtreeModified") ||
aType.equalsAscii("DOMNodeInserted") ||
aType.equalsAscii("DOMNodeRemoved") ||
aType.equalsAscii("DOMNodeRemovedFromDocument") ||
aType.equalsAscii("DOMNodeInsertedIntoDocument") ||
aType.equalsAscii("DOMAttrModified") ||
aType.equalsAscii("DOMCharacterDataModified") )
{
Reference< XMutationEvent > const aMEvent(i_xEvent,
UNO_QUERY_THROW);
// dispatch a mutation event
// we need to clone the event in order to have complete control
// over the implementation
CMutationEvent* pMEvent = new CMutationEvent;
pMEvent->initMutationEvent(
aType, aMEvent->getBubbles(), aMEvent->getCancelable(),
aMEvent->getRelatedNode(), aMEvent->getPrevValue(),
aMEvent->getNewValue(), aMEvent->getAttrName(),
aMEvent->getAttrChange());
pEvent = pMEvent;
} else if ( // UIEvent
aType.equalsAscii("DOMFocusIn") ||
aType.equalsAscii("DOMFocusOut") ||
aType.equalsAscii("DOMActivate") )
{
Reference< XUIEvent > const aUIEvent(i_xEvent, UNO_QUERY_THROW);
CUIEvent* pUIEvent = new CUIEvent;
pUIEvent->initUIEvent(aType,
aUIEvent->getBubbles(), aUIEvent->getCancelable(),
aUIEvent->getView(), aUIEvent->getDetail());
pEvent = pUIEvent;
} else if ( // MouseEvent
aType.equalsAscii("click") ||
aType.equalsAscii("mousedown") ||
aType.equalsAscii("mouseup") ||
aType.equalsAscii("mouseover") ||
aType.equalsAscii("mousemove") ||
aType.equalsAscii("mouseout") )
{
Reference< XMouseEvent > const aMouseEvent(i_xEvent,
UNO_QUERY_THROW);
CMouseEvent *pMouseEvent = new CMouseEvent;
pMouseEvent->initMouseEvent(aType,
aMouseEvent->getBubbles(), aMouseEvent->getCancelable(),
aMouseEvent->getView(), aMouseEvent->getDetail(),
aMouseEvent->getScreenX(), aMouseEvent->getScreenY(),
aMouseEvent->getClientX(), aMouseEvent->getClientY(),
aMouseEvent->getCtrlKey(), aMouseEvent->getAltKey(),
aMouseEvent->getShiftKey(), aMouseEvent->getMetaKey(),
aMouseEvent->getButton(), aMouseEvent->getRelatedTarget());
pEvent = pMouseEvent;
}
else // generic event
{
pEvent = new CEvent;
pEvent->initEvent(
aType, i_xEvent->getBubbles(), i_xEvent->getCancelable());
}
pEvent->m_target.set(xNode, UNO_QUERY_THROW);
pEvent->m_currentTarget = i_xEvent->getCurrentTarget();
pEvent->m_time = i_xEvent->getTimeStamp();
// create the reference to the provate event implementation
// that will be dispatched to the listeners
Reference< XEvent > const xEvent(pEvent);
// build the path from target node to the root
typedef std::vector< ::std::pair<Reference<XEventTarget>, xmlNodePtr> >
NodeVector_t;
NodeVector_t captureVector;
TypeListenerMap captureListeners;
TypeListenerMap targetListeners;
{
::osl::MutexGuard g(rMutex);
xmlNodePtr cur = pNode;
while (cur != NULL)
{
Reference< XEventTarget > const xRef(
rDocument.GetCNode(cur).get());
captureVector.push_back(::std::make_pair(xRef, cur));
cur = cur->parent;
}
captureListeners = m_CaptureListeners;
targetListeners = m_TargetListeners;
}
// the caputre vector now holds the node path from target to root
// first we must search for capture listernes in order root to
// to target. after that, any target listeners have to be called
// then bubbeling phase listeners are called in target to root
// order
// start at the root
NodeVector_t::const_reverse_iterator rinode =
const_cast<NodeVector_t const&>(captureVector).rbegin();
if (rinode != const_cast<NodeVector_t const&>(captureVector).rend())
{
// capturing phase:
pEvent->m_phase = PhaseType_CAPTURING_PHASE;
while (rinode !=
const_cast<NodeVector_t const&>(captureVector).rend())
{
pEvent->m_currentTarget = rinode->first;
callListeners(captureListeners, rinode->second, aType, xEvent);
if (pEvent->m_canceled) return true;
++rinode;
}
NodeVector_t::const_iterator inode = captureVector.begin();
// target phase
pEvent->m_phase = PhaseType_AT_TARGET;
pEvent->m_currentTarget = inode->first;
callListeners(targetListeners, inode->second, aType, xEvent);
if (pEvent->m_canceled) return true;
// bubbeling phase
++inode;
if (i_xEvent->getBubbles()) {
pEvent->m_phase = PhaseType_BUBBLING_PHASE;
while (inode != captureVector.end())
{
pEvent->m_currentTarget = inode->first;
callListeners(targetListeners,
inode->second, aType, xEvent);
if (pEvent->m_canceled) return true;
++inode;
}
}
}
return true;
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
