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-rw-r--r--libopie2/opiecore/ofilenotify.cpp31
-rw-r--r--libopie2/opiecore/ofilenotify.h10
2 files changed, 31 insertions, 10 deletions
diff --git a/libopie2/opiecore/ofilenotify.cpp b/libopie2/opiecore/ofilenotify.cpp
index efd041a..11d4f87 100644
--- a/libopie2/opiecore/ofilenotify.cpp
+++ b/libopie2/opiecore/ofilenotify.cpp
@@ -72,59 +72,59 @@ OFileNotification::~OFileNotification()
72} 72}
73 73
74 74
75bool OFileNotification::isActive() const 75bool OFileNotification::isActive() const
76{ 76{
77 return _active; 77 return _active;
78} 78}
79 79
80 80
81int OFileNotification::watch( const QString& path, bool sshot, OFileNotificationType type ) 81int OFileNotification::watch( const QString& path, bool sshot, OFileNotificationType type )
82{ 82{
83 // check if path exists and is a regular file 83 // check if path exists and is a regular file
84 struct stat s; 84 struct stat s;
85 if ( ::stat( (const char*) path, &s ) == -1 ) 85 if ( ::stat( (const char*) path, &s ) == -1 )
86 { 86 {
87 qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, strerror( errno ) ); 87 qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, strerror( errno ) );
88 return -1; 88 return -1;
89 } 89 }
90 if ( !S_ISREG( s.st_mode ) ) 90 if ( !S_ISREG( s.st_mode ) )
91 { 91 {
92 qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, "not a regular file" ); 92 qWarning( "OFileNotification::watch(): Can't watch '%s': %s.", (const char*) path, "not a regular file" );
93 return -1; 93 return -1;
94 } 94 }
95 95
96 if ( notification_list.isEmpty() )
97 {
98 OFileNotification::registerEventHandler();
99 }
100
101 return startWatching( path, sshot, type ); 96 return startWatching( path, sshot, type );
102} 97}
103 98
104 99
105int OFileNotification::startWatching( const QString& path, bool sshot, OFileNotificationType type ) 100int OFileNotification::startWatching( const QString& path, bool sshot, OFileNotificationType type )
106{ 101{
102 if ( notification_list.isEmpty() )
103 {
104 OFileNotification::registerEventHandler();
105 }
106
107 struct inotify_watch_request iwr; 107 struct inotify_watch_request iwr;
108 ::memset( &iwr, 0, sizeof iwr ); 108 ::memset( &iwr, 0, sizeof iwr );
109 iwr.name = const_cast<char*>( (const char*) path ); 109 iwr.name = const_cast<char*>( (const char*) path );
110 iwr.mask = type; 110 iwr.mask = type;
111 111
112 _wd = ::ioctl( OFileNotification::_fd, INOTIFY_WATCH, &iwr ); 112 _wd = ::ioctl( OFileNotification::_fd, INOTIFY_WATCH, &iwr );
113 113
114 if ( _wd < 0 ) 114 if ( _wd < 0 )
115 { 115 {
116 qWarning( "OFileNotification::watch(): inotify can't watch '%s': %s.", (const char*) path, strerror( errno ) ); 116 qWarning( "OFileNotification::watch(): inotify can't watch '%s': %s.", (const char*) path, strerror( errno ) );
117 return -1; 117 return -1;
118 } 118 }
119 119
120 notification_list.insert( _wd, this ); 120 notification_list.insert( _wd, this );
121 _path = path; 121 _path = path;
122 _multi = !sshot; 122 _multi = !sshot;
123 _type = type; 123 _type = type;
124 _active = true; 124 _active = true;
125 qDebug( "OFileNotification::watch(): watching '%s' [wd=%d].", (const char*) path, _wd ); 125 qDebug( "OFileNotification::watch(): watching '%s' [wd=%d].", (const char*) path, _wd );
126 return _wd; 126 return _wd;
127} 127}
128 128
129 129
130void OFileNotification::stop() 130void OFileNotification::stop()
@@ -234,30 +234,45 @@ void OFileNotification::unregisterEventHandler()
234 if ( OFileNotification::_fd ) 234 if ( OFileNotification::_fd )
235 ::close( OFileNotification::_fd ); 235 ::close( OFileNotification::_fd );
236 qDebug( "OFileNotification::unregisterEventHandler(): done" ); 236 qDebug( "OFileNotification::unregisterEventHandler(): done" );
237} 237}
238 238
239//================================================================================================= 239//=================================================================================================
240// ODirNotification 240// ODirNotification
241//================================================================================================= 241//=================================================================================================
242ODirNotification::ODirNotification( QObject* parent, const char* name ) 242ODirNotification::ODirNotification( QObject* parent, const char* name )
243 :QObject( parent, name ) 243 :QObject( parent, name )
244{ 244{
245 qDebug( "ODirNotification::ODirNotification()" ); 245 qDebug( "ODirNotification::ODirNotification()" );
246} 246}
247 247
248 248
249ODirNotification::~ODirNotification() 249ODirNotification::~ODirNotification()
250{ 250{
251 qDebug( "ODirNotification::~ODirNotification()" ); 251 qDebug( "ODirNotification::~ODirNotification()" );
252} 252}
253 253
254 254
255int ODirNotification::watch( const QString& path, bool sshot, OFileNotificationType type, int recurse ) 255int ODirNotification::watch( const QString& path, bool sshot, OFileNotificationType type, int recurse )
256{ 256{
257 qDebug( "ODirNotification::watch( %s, %d, 0x%08x, %d )", (const char*) path, sshot, type, recurse ); 257 qDebug( "ODirNotification::watch( %s, %d, 0x%08x, %d )", (const char*) path, sshot, type, recurse );
258 return 0;
259}
260 258
259 if ( recurse == 0 )
260 {
261 OFileNotification* fn = new OFileNotification( this, "ODirNotification delegate" );
262 int result = fn->startWatching( path, sshot, type );
263 if ( result != -1 )
264 {
265 connect( fn, SIGNAL( triggered( const QString& ) ), this, SIGNAL( triggered( const QString& ) ) );
266 return result;
267 }
268 }
269 else
270 {
271 qDebug( "ODirNotification::watch(), recursion not yet implemented... :)" );
272 return -1;
273 }
261} 274}
262 275
263} \ No newline at end of file 276} // namespace Ui
277
278} // namespace Opie
diff --git a/libopie2/opiecore/ofilenotify.h b/libopie2/opiecore/ofilenotify.h
index 41ba84d..3eb917e 100644
--- a/libopie2/opiecore/ofilenotify.h
+++ b/libopie2/opiecore/ofilenotify.h
@@ -108,55 +108,55 @@ enum OFileNotificationType
108 108
109class OFileNotification : public QObject 109class OFileNotification : public QObject
110{ 110{
111 Q_OBJECT 111 Q_OBJECT
112 112
113 public: 113 public:
114 OFileNotification( QObject* parent = 0, const char* name = 0 ); 114 OFileNotification( QObject* parent = 0, const char* name = 0 );
115 ~OFileNotification(); 115 ~OFileNotification();
116 /** 116 /**
117 * This static function calls a slot when an event with @a type happens to file @a path. 117 * This static function calls a slot when an event with @a type happens to file @a path.
118 * 118 *
119 * It is very convenient to use this function because you do not need to 119 * It is very convenient to use this function because you do not need to
120 * bother with a timerEvent or to create a local QTimer object. 120 * bother with a timerEvent or to create a local QTimer object.
121 * 121 *
122 * Example: 122 * Example:
123 * <pre> 123 * <pre>
124 * 124 *
125 * #include <opie2/oapplication.h> 125 * #include <opie2/oapplication.h>
126 * #include <opie2/ofilenotify.h> 126 * #include <opie2/ofilenotify.h>
127 * using namespace Opie::Core; 127 * using namespace Opie::Core;
128 * 128 *
129 * int main( int argc, char **argv ) 129 * int main( int argc, char **argv )
130 * { 130 * {
131 * OApplication a( argc, argv, "File Notification Example" ); 131 * OApplication a( argc, argv, "File Notification Example" );
132 * OFileNotification::singleShot( "/tmp/quit", &a, SLOT(quit()), Create ); 132 * OFileNotification::singleShot( "/tmp/quit", &a, SLOT(quit()), Access );
133 * ... // create and show your widgets 133 * ... // create and show your widgets
134 * return a.exec(); 134 * return a.exec();
135 * } 135 * }
136 * </pre> 136 * </pre>
137 * 137 *
138 * This sample program automatically terminates when the file "/tmp/quit" has been created. 138 * This sample program automatically terminates when the file "/tmp/quit" has been accessed.
139 * 139 *
140 * 140 *
141 * The @a receiver is the receiving object and the @a member is the slot. 141 * The @a receiver is the receiving object and the @a member is the slot.
142 **/ 142 **/
143 static bool singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type = Modify ); 143 static bool singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type = Modify );
144 /** 144 /**
145 * Starts to watch for @a type changes to @a path. Set @a sshot to True if you want to be notified only once. 145 * Starts to watch for @a type changes to @a path. Set @a sshot to True if you want to be notified only once.
146 * Note that in that case it may be more convenient to use @ref OFileNotification::singleShot() then. 146 * Note that in that case it may be more convenient to use @ref OFileNotification::singleShot() then.
147 **/ 147 **/
148 int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify ); 148 int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify );
149 /** 149 /**
150 * Stop watching for file events. 150 * Stop watching for file events.
151 **/ 151 **/
152 void stop(); 152 void stop();
153 /** 153 /**
154 * @returns the notification type as set by @ref start(). 154 * @returns the notification type as set by @ref start().
155 **/ 155 **/
156 OFileNotificationType type() const; 156 OFileNotificationType type() const;
157 /** 157 /**
158 * @returns the path to the file being watched by this instance. 158 * @returns the path to the file being watched by this instance.
159 **/ 159 **/
160 QString path() const; 160 QString path() const;
161 /** 161 /**
162 * @returns if a file is currently being watched. 162 * @returns if a file is currently being watched.
@@ -201,32 +201,38 @@ class OFileNotification : public QObject
201 * @brief Represents a directory notification 201 * @brief Represents a directory notification
202 * 202 *
203 * This class allows to watch for events happening to directories 203 * This class allows to watch for events happening to directories
204 * It uses the OFileNotification class 204 * It uses the OFileNotification class
205 * 205 *
206 * @see http://www.kernel.org/pub/linux/kernel/people/rml/inotify/ 206 * @see http://www.kernel.org/pub/linux/kernel/people/rml/inotify/
207 * 207 *
208 * @author Michael 'Mickey' Lauer <mickey@vanille.de> 208 * @author Michael 'Mickey' Lauer <mickey@vanille.de>
209 * 209 *
210 **/ 210 **/
211 211
212class ODirNotification : public QObject 212class ODirNotification : public QObject
213{ 213{
214 Q_OBJECT 214 Q_OBJECT
215 215
216 public: 216 public:
217 ODirNotification( QObject* parent = 0, const char* name = 0 ); 217 ODirNotification( QObject* parent = 0, const char* name = 0 );
218 ~ODirNotification(); 218 ~ODirNotification();
219 /** 219 /**
220 * Starts to watch for @a type changes to @a path. Recurse @a recurse levels down the filesystem tree, 220 * Starts to watch for @a type changes to @a path. Recurse @a recurse levels down the filesystem tree,
221 * use 0 for no recursion and -1 for unlimited recursion. 221 * use 0 for no recursion and -1 for unlimited recursion.
222 * Set @a sshot to True if you want to be notified only once. 222 * Set @a sshot to True if you want to be notified only once.
223 **/ 223 **/
224 int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify, int recurse = 0 ); 224 int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify, int recurse = 0 );
225
226 signals:
227 /**
228 * This signal is emitted if an event happens of the specified type happens to the directory being watched.
229 **/
230 void triggered( const QString& name );
225}; 231};
226 232
227 233
228} 234}
229} 235}
230 236
231#endif 237#endif
232 238