1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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8 * "License"); you may not use this file except in compliance
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11 * http://www.apache.org/licenses/LICENSE-2.0
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15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
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18 * under the License.
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21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_filter.hxx"
26
27 #include "lateinitlistener.hxx"
28 #include "lateinitthread.hxx"
29
30 //_______________________________________________
31 // includes
32 #include <rtl/ustring.hxx>
33
34 //_______________________________________________
35 // namespace
36
37 namespace filter{
38 namespace config{
39
40 namespace css = ::com::sun::star;
41
42 //_______________________________________________
43 // definitions
44
45 /*-----------------------------------------------
46 14.08.2003 07:35
47 -----------------------------------------------*/
LateInitListener(const css::uno::Reference<css::lang::XMultiServiceFactory> & xSMGR)48 LateInitListener::LateInitListener(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR)
49 : BaseLock( )
50 , m_xSMGR (xSMGR)
51 {
52 // important to do so ...
53 // Otherwhise the temp. reference to ourselves
54 // will kill us at realeasing time!
55 osl_incrementInterlockedCount( &m_refCount );
56
57 m_xBroadcaster = css::uno::Reference< css::document::XEventBroadcaster >(
58 m_xSMGR->createInstance(::rtl::OUString::createFromAscii("com.sun.star.frame.GlobalEventBroadcaster")),
59 css::uno::UNO_QUERY);
60
61 m_xBroadcaster->addEventListener(static_cast< css::document::XEventListener* >(this));
62
63 osl_decrementInterlockedCount( &m_refCount );
64 }
65
66 /*-----------------------------------------------
67 14.08.2003 07:25
68 -----------------------------------------------*/
~LateInitListener()69 LateInitListener::~LateInitListener()
70 {
71 }
72
73 /*-----------------------------------------------
74 14.08.2003 08:45
75 -----------------------------------------------*/
notifyEvent(const css::document::EventObject & aEvent)76 void SAL_CALL LateInitListener::notifyEvent(const css::document::EventObject& aEvent)
77 throw(css::uno::RuntimeException)
78 {
79 // wait for events, which indicates finished open of the first document
80 if (
81 (aEvent.EventName.equalsAscii("OnNew") ) ||
82 (aEvent.EventName.equalsAscii("OnLoad"))
83 )
84 {
85 // this thread must be started one times only ...
86 // cancel listener connection before!
87
88 // SAFE ->
89 ::osl::ResettableMutexGuard aLock(m_aLock);
90
91 if ( !m_xBroadcaster.is() )
92 // the beauty of multi-threading ... OnLoad can be notified synchronously or asynchronously. In particular,
93 // SFX-based documents notify it synchronously, database documents do it asynchronously.
94 // Now if multiple documents are opened "at the same time", it is well possible that we get two events from
95 // different threads, where upon the first event, we already remove ourself from m_xBroadcaster, and start
96 // the thread, nonetheless there's also a second notification "in the queue", which will arrive short
97 // thereafter.
98 // In such a case, simply ignore this second event.
99 return;
100
101 m_xBroadcaster->removeEventListener(static_cast< css::document::XEventListener* >(this));
102 m_xBroadcaster.clear();
103
104 aLock.clear();
105 // <- SAFE
106
107 LateInitThread* pThread = new LateInitThread();
108 pThread->create();
109 }
110 }
111
112 /*-----------------------------------------------
113 14.08.2003 07:48
114 -----------------------------------------------*/
disposing(const css::lang::EventObject &)115 void SAL_CALL LateInitListener::disposing(const css::lang::EventObject& /* aEvent */ )
116 throw(css::uno::RuntimeException)
117 {
118 // ???
119 // Normaly it should never be called. Because we cancel our listener connection
120 // if we got the event about finished open of the first office document.
121 // But if this method was reached, it indicates an office, which was started
122 // (might as remote script container for an external API client) but not realy used.
123
124 // SAFE ->
125 ::osl::ResettableMutexGuard aLock(m_aLock);
126 m_xBroadcaster.clear();
127 aLock.clear();
128 // <- SAFE
129 }
130
131 } // namespace config
132 } // namespace filter
133