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28 : :
29 : : #include "sal/config.h"
30 : :
31 : : #include "rtl/ref.hxx"
32 : : #include "rtl/ustring.hxx"
33 : :
34 : : #include "lateinitlistener.hxx"
35 : : #include "lateinitthread.hxx"
36 : :
37 : :
38 : : namespace filter{
39 : : namespace config{
40 : :
41 : : namespace css = ::com::sun::star;
42 : :
43 : :
44 : :
45 : :
46 : 127 : LateInitListener::LateInitListener(const css::uno::Reference< css::lang::XMultiServiceFactory >& xSMGR)
47 : : : BaseLock( )
48 [ + - ]: 127 : , m_xSMGR (xSMGR)
49 : : {
50 : : // important to do so ...
51 : : // Otherwise the temp. reference to ourselves
52 : : // will kill us at releasing time!
53 [ + - ]: 127 : osl_incrementInterlockedCount( &m_refCount );
54 : :
55 : : m_xBroadcaster = css::uno::Reference< css::document::XEventBroadcaster >(
56 [ + - ]: 127 : m_xSMGR->createInstance(::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.frame.GlobalEventBroadcaster" ))),
57 [ + - ][ + - ]: 127 : css::uno::UNO_QUERY_THROW);
[ + - ][ + - ]
58 : :
59 [ + - ][ + - ]: 127 : m_xBroadcaster->addEventListener(static_cast< css::document::XEventListener* >(this));
[ + - ]
60 : :
61 [ + - ]: 127 : osl_decrementInterlockedCount( &m_refCount );
62 : 127 : }
63 : :
64 : :
65 : :
66 [ + - ]: 74 : LateInitListener::~LateInitListener()
67 : : {
68 [ - + ]: 148 : }
69 : :
70 : :
71 : :
72 : 9195 : void SAL_CALL LateInitListener::notifyEvent(const css::document::EventObject& aEvent)
73 : : throw(css::uno::RuntimeException)
74 : : {
75 : : // wait for events which either
76 : : // a) indicate completed open of the first document in which case launch thread
77 : : // b) indicate close of application without any documents opened, in which case skip launching thread but drop references break cyclic dependencies in
78 : : // case of e.g. cancel from open/new database wizard or impress wizard
79 [ + + ][ + + ]: 9195 : if ( aEvent.EventName == "OnNew" || aEvent.EventName == "OnLoad" || aEvent.EventName == "OnCloseApp" )
[ + + ][ + + ]
80 : : {
81 : : // this thread must be started one times only ...
82 : : // cancel listener connection before!
83 : :
84 : : // SAFE ->
85 [ + - ]: 74 : ::osl::ResettableMutexGuard aLock(m_aLock);
86 : :
87 [ - + ]: 74 : if ( !m_xBroadcaster.is() )
88 : : // the beauty of multi-threading ... OnLoad can be notified synchronously or asynchronously. In particular,
89 : : // SFX-based documents notify it synchronously, database documents do it asynchronously.
90 : : // Now if multiple documents are opened "at the same time", it is well possible that we get two events from
91 : : // different threads, where upon the first event, we already remove ourself from m_xBroadcaster, and start
92 : : // the thread, nonetheless there's also a second notification "in the queue", which will arrive short
93 : : // thereafter.
94 : : // In such a case, simply ignore this second event.
95 : 9195 : return;
96 : :
97 [ + - ][ + - ]: 74 : m_xBroadcaster->removeEventListener(static_cast< css::document::XEventListener* >(this));
[ + - ]
98 : 74 : m_xBroadcaster.clear();
99 : :
100 [ + - ]: 74 : aLock.clear();
101 : : // <- SAFE
102 : :
103 [ + + ]: 74 : if ( aEvent.EventName != "OnCloseApp" )
104 : : {
105 [ + - ][ + - ]: 74 : rtl::Reference< LateInitThread >(new LateInitThread())->launch();
[ + - ][ + - ]
[ + - ]
106 : : //TODO: a protocol is missing how to join with the launched
107 : : // thread before exit(3), to ensure the thread is no longer
108 : : // relying on any infrastructure while that infrastructure is
109 : : // being shut down in atexit handlers
110 [ + - ][ + - ]: 74 : }
111 : : }
112 : : }
113 : :
114 : :
115 : :
116 : 0 : void SAL_CALL LateInitListener::disposing(const css::lang::EventObject& /* aEvent */ )
117 : : throw(css::uno::RuntimeException)
118 : : {
119 : : // ???
120 : : // Normaly it should never be called. Because we cancel our listener connection
121 : : // if we got the event about finished open of the first office document.
122 : : // But if this method was reached, it indicates an office, which was started
123 : : // (might as remote script container for an external API client) but not realy used.
124 : :
125 : : // SAFE ->
126 [ # # ]: 0 : ::osl::ResettableMutexGuard aLock(m_aLock);
127 [ # # ]: 0 : if ( !m_xBroadcaster.is() )
128 : 0 : return;
129 : :
130 [ # # ][ # # ]: 0 : m_xBroadcaster->removeEventListener(static_cast< css::document::XEventListener* >(this));
[ # # ]
131 : 0 : m_xBroadcaster.clear();
132 [ # # ][ # # ]: 0 : aLock.clear();
[ # # ]
133 : : // <- SAFE
134 : : }
135 : :
136 : : } // namespace config
137 : : } // namespace filter
138 : :
139 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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