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authormickeyl <mickeyl>2005-05-19 11:59:32 (UTC)
committer mickeyl <mickeyl>2005-05-19 11:59:32 (UTC)
commited7ba8b228d3d0ffae9c9b68900b7f723d7ade4a (patch) (side-by-side diff)
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- add linux pcmcia subsystem wrapper: OPcmciaSystem and OPcmciaCard
- move linux-only subsystems in subdirectory linux - minor header cleanups
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-/*
-                This file is part of the Opie Project
- =. Copyright (C) 2004-2005 Michael 'Mickey' Lauer <mickey@Vanille.de>
- .=l. Copyright (C) The Opie Team <opie-devel@handhelds.org>
-          .>+-=
-_;:,     .>    :=|. This program is free software; you can
-.> <`_,   >  .   <= redistribute it and/or modify it under
-:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
-.="- .-=="i,     .._ License as published by the Free Software
-- .   .-<_>     .<> Foundation; version 2 of the License.
-    ._= =}       :
-   .%`+i>       _;_.
-   .i_,=:_.      -<s. This program is distributed in the hope that
-    +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
-   : ..    .:,     . . . without even the implied warranty of
-   =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
- _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
-..}^=.=       =       ; Library General Public License for more
-++=   -.     .`     .: details.
-:     =  ...= . :.=-
--.   .:....=;==+<; You should have received a copy of the GNU
- -_. . .   )=.  = Library General Public License along with
-   --        :-=` this library; see the file COPYING.LIB.
- If not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-#ifndef OFILENOTIFY_H
-#define OFILENOTIFY_H
-#if defined (__GNUC__) && (__GNUC__ < 3)
-#define _GNU_SOURCE
-#endif
-
-#include "linux_inotify.h"
-
-/* QT */
-#include <qsocketnotifier.h>
-#include <qsignal.h>
-#include <qstring.h>
-#include <qobject.h>
-#include <qfile.h>
-
-namespace Opie {
-namespace Core {
-
-class OFile : public QObject, public QFile
-{
- Q_OBJECT
-
- public:
- OFile();
- OFile( const QString & name );
- virtual ~OFile();
-
- protected:
- virtual void connectNotify( const char* signal );
- virtual void disconnectNotify( const char* signal );
-
- private:
- int startWatch( int mode );
-
- signals:
- void accessed( const QString& );
- void modified( const QString& );
- void attributed( const QString& );
- void closed( const QString&, bool );
- void opened( const QString& );
- void deleted( const QString& );
- void unmounted( const QString& );
-};
-
-/*
- void movedTo( const QString&, const QString& );
- void movedFrom( const QString&, const QString& );
- void deletedSubdir( const QString&, const QString& );
- void deletedFile( const QString&, const QString& );
- void createdSubdir( const QString&, const QString& );
- void createdFile( const QString&, const QString& );
-*/
-
-class OFileNotificationEvent;
-
-/*======================================================================================
- * OFileNotificationType
- *======================================================================================*/
-
-/**
- * @brief An enumerate for the different types of file notifications
- *
- * This enumerate provides a means to specify the type of events that you are interest in.
- * Valid values are:
- * <ul>
- * <li>Access: The file was accessed (read)
- * <li>Modify The file was modified (write,truncate)
- * <li>Attrib = The file had its attributes changed (chmod,chown,chgrp)
- * <li>CloseWrite = Writable file was closed
- * <li>CloseNoWrite = Unwritable file was closed
- * <li>Open = File was opened
- * <li>MovedFrom = File was moved from X
- * <li>MovedTo = File was moved to Y
- * <li>DeleteSubdir = Subdir was deleted
- * <li>DeleteFile = Subfile was deleted
- * <li>CreateSubdir = Subdir was created
- * <li>CreateFile = Subfile was created
- * <li>DeleteSelf = Self was deleted
- * <li>Unmount = The backing filesystem was unmounted
- * </ul>
- *
- **/
-
-enum OFileNotificationType
-{
- Access = IN_ACCESS,
- Modify = IN_MODIFY,
- Attrib = IN_ATTRIB,
- CloseWrite = IN_CLOSE_WRITE,
- CloseNoWrite = IN_CLOSE_NOWRITE,
- Open = IN_OPEN,
- MovedFrom = IN_MOVED_FROM,
- MovedTo = IN_MOVED_TO,
- DeleteSubdir = IN_DELETE_SUBDIR,
- DeleteFile = IN_DELETE_FILE,
- CreateSubdir = IN_CREATE_SUBDIR,
- CreateFile = IN_CREATE_FILE,
- DeleteSelf = IN_DELETE_SELF,
- Unmount = IN_UNMOUNT,
- _QueueOverflow = IN_Q_OVERFLOW, /* Internal, don't use this in client code */
- _Ignored = IN_IGNORED, /* Internal, don't use this in client code */
-};
-
-/*======================================================================================
- * OFileNotification
- *======================================================================================*/
-
-/**
- * @brief Represents a file notification
- *
- * This class allows to watch for events happening to files.
- * It uses the inotify linux (2.6.x) kernel interface.
- *
- * @see http://www.kernel.org/pub/linux/kernel/people/rml/inotify/
- *
- * @author Michael 'Mickey' Lauer <mickey@vanille.de>
- *
- **/
-
-class OFileNotification : public QObject
-{
- Q_OBJECT
-
- public:
- OFileNotification( QObject* parent = 0, const char* name = 0 );
- ~OFileNotification();
- /**
- * This static function calls a slot when an event with @a type happens to file @a path.
- *
- * It is very convenient to use this function because you do not need to
- * bother with a timerEvent or to create a local QTimer object.
- *
- * Example:
- * <pre>
- *
- * #include <opie2/oapplication.h>
- * #include <opie2/ofilenotify.h>
- * using namespace Opie::Core;
- *
- * int main( int argc, char **argv )
- * {
- * OApplication a( argc, argv, "File Notification Example" );
- * OFileNotification::singleShot( "/tmp/quit", &a, SLOT(quit()), Access );
- * ... // create and show your widgets
- * return a.exec();
- * }
- * </pre>
- *
- * This sample program automatically terminates when the file "/tmp/quit" has been accessed.
- *
- *
- * The @a receiver is the receiving object and the @a member is the slot.
- **/
- static bool singleShot( const QString& path, QObject* receiver, const char* member, OFileNotificationType type = Modify );
- /**
- * Starts to watch for @a type changes to @a path. Set @a sshot to True if you want to be notified only once.
- * Note that in that case it may be more convenient to use @ref OFileNotification::singleShot() then.
- **/
- int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify );
- /**
- * Stop watching for file events.
- **/
- void stop();
- /**
- * @returns the notification type as set by @ref start().
- **/
- OFileNotificationType type() const;
- /**
- * @returns the path to the file being watched by this instance.
- **/
- QString path() const;
- /**
- * @returns if a file is currently being watched.
- **/
- bool isActive() const;
- /**
- * @internal
- */
- int startWatching( const QString& path, bool sshot = false, OFileNotificationType type = Modify );
-
- signals:
- void triggered( const QString&, unsigned int, const QString& );
- void accessed( const QString& );
- void modified( const QString& );
- void attributed( const QString& );
- void closed( const QString&, bool );
- void opened( const QString& );
- void movedTo( const QString&, const QString& );
- void movedFrom( const QString&, const QString& );
- void deletedSubdir( const QString&, const QString& );
- void deletedFile( const QString&, const QString& );
- void createdSubdir( const QString&, const QString& );
- void createdFile( const QString&, const QString& );
- void deleted( const QString& );
- void unmounted( const QString& );
-
- protected:
- bool activate( const OFileNotificationEvent* e );
-
- private slots:
- void inotifyEventHandler();
-
- private:
- bool registerEventHandler();
- void unregisterEventHandler();
-
- QString _path;
- OFileNotificationType _type;
- QSignal _signal;
- bool _active;
- bool _multi;
- static QSocketNotifier* _sn;
- int _wd; // inotify watch descriptor
- static int _fd; // inotify device descriptor
-
- friend class OFileNotificationEvent;
-};
-
-/*======================================================================================
- * ODirNotification
- *======================================================================================*/
-
-/**
- * @brief Represents a directory notification
- *
- * This class allows to watch for events happening to directories
- * It uses the OFileNotification class
- *
- * @see http://www.kernel.org/pub/linux/kernel/people/rml/inotify/
- *
- * @author Michael 'Mickey' Lauer <mickey@vanille.de>
- *
- **/
-
-class ODirNotification : public QObject
-{
- Q_OBJECT
-
- public:
- ODirNotification( QObject* parent = 0, const char* name = 0 );
- ~ODirNotification();
- /**
- * Starts to watch for @a type changes to @a path. Recurse @a recurse levels down the filesystem tree,
- * use 0 for no recursion and -1 for unlimited recursion.
- * Set @a sshot to True if you want to be notified only once.
- **/
- int watch( const QString& path, bool sshot = false, OFileNotificationType type = Modify, int recurse = 0 );
-
- signals:
- /**
- * This signal is emitted if an event happens of the specified type happens to the directory being watched.
- **/
- void triggered( const QString&, unsigned int, const QString& );
- void accessed( const QString& );
- void modified( const QString& );
- void attributed( const QString& );
- void closed( const QString&, bool );
- void opened( const QString& );
- void movedTo( const QString&, const QString& );
- void movedFrom( const QString&, const QString& );
- void deletedSubdir( const QString&, const QString& );
- void deletedFile( const QString&, const QString& );
- void createdSubdir( const QString&, const QString& );
- void createdFile( const QString&, const QString& );
- void deleted( const QString& );
- void unmounted( const QString& );
-};
-
-/*======================================================================================
- * OFileNotificationEvent
- *======================================================================================*/
-
-class OFileNotificationEvent
-{
- public:
- OFileNotificationEvent( OFileNotification* parent, int wd, unsigned int mask, unsigned int cookie, const QString& name );
- ~OFileNotificationEvent();
- OFileNotification* parent() const { return _parent; };
- int descriptor() const { return _wd; };
- unsigned int mask() const { return _mask; };
- unsigned int cookie() const { return _cookie; };
- QString name() const { return _name; };
- void activate() { _parent->activate( this ); };
-
- private:
- OFileNotification* _parent;
- int _wd;
- unsigned int _mask;
- unsigned int _cookie;
- QString _name;
-};
-
-
-}
-}
-
-#endif
-