Allow to interrupt running sync task, incl. some cleanups.

18 files changed, 208 insertions, 72 deletions

diff --git a/src/mirall/application.cpp b/src/mirall/application.cpp
index 718b5564e..1eb8340cd 100644
--- a/src/mirall/application.cpp
+++ b/src/mirall/application.cpp
@@ -452,23 +452,43 @@ void Application::slotInfoFolder( const QString& alias )
 
     SyncResult folderResult = _folderMan->syncResult( alias );
 
-    QString folderMessage = tr( "Last sync was succesful." );
+    bool enabled = true;
+    Folder *f = _folderMan->folder( alias );
+    if( f && ! f->syncEnabled() ) {
+        enabled = false;
+    }
+
+    QString folderMessage;
 
     SyncResult::Status syncStatus = folderResult.status();
-    if ( syncStatus == SyncResult::Error ) {
-      folderMessage = tr( "<b>Syncing Error</b><br/>" );
-    } else if ( syncStatus == SyncResult::SetupError ) {
-      folderMessage = tr( "<b>Setup Error</b><br/>" );
-    } else if ( syncStatus == SyncResult::Disabled ) {
-      folderMessage = tr( "<b>Disabled Folder</b><br/>" ).arg( folderResult.errorString() );
-    } else if ( syncStatus == SyncResult::Undefined ) {
-      folderMessage = tr( "<b>Undefined state</b><br/>" );
+    switch( syncStatus ) {
+    case SyncResult::Undefined:
+        folderMessage = tr( "Undefined Folder State" );
+        break;
+    case SyncResult::NotYetStarted:
+        folderMessage = tr( "The folder waits to start syncing." );
+        break;
+    case SyncResult::SyncRunning:
+        folderMessage = tr("Sync is running.");
+        break;
+    case SyncResult::Success:
+        folderMessage = tr("Last Sync was successful.");
+        break;
+    case SyncResult::Error:
+        folderMessage = tr( "Syncing Error." );
+        break;
+    case SyncResult::SetupError:
+        folderMessage = tr( "Setup Error." );
+        break;
+    default:
+        folderMessage = tr( "Undefined Error State." );
     }
+    folderMessage = QLatin1String("<b>") + folderMessage + QLatin1String("</b><br/>");
 
     QMessageBox infoBox( QMessageBox::Information, tr( "Folder information" ), alias, QMessageBox::Ok );
     QStringList li = folderResult.errorStrings();
     foreach( const QString l, li ) {
-        folderMessage += "<p>" + l +"</p>";
+        folderMessage += QString("<p>%1</p>").arg( l );
     }
 
     infoBox.setText( folderMessage );
@@ -507,7 +527,22 @@ void Application::slotEnableFolder(const QString& alias, const bool enable)
   qDebug() << "Application: enable folder with alias " << alias;
 
   _folderMan->slotEnableFolder( alias, enable );
-  _statusDialog->slotUpdateFolderState( _folderMan->folder(alias));
+
+  // this sets the folder status to disabled but does not interrupt it.
+  Folder *f = _folderMan->folder( alias );
+  if( f && !enable ) {
+      // check if a sync is still running and if so, ask if we should terminate.
+      if( f->isBusy() ) { // its still running
+          QMessageBox::StandardButton b = QMessageBox::question( 0, tr("Sync Running"),
+                                                                 tr("The syncing operation is running.<br/>Do you want to terminate it?"),
+                                                                 QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes );
+          if( b == QMessageBox::Yes ) {
+              _folderMan->terminateSyncProcess( alias );
+          }
+      }
+  }
+
+  _statusDialog->slotUpdateFolderState( f );
 }
 
 void Application::slotConfigure()
@@ -544,43 +579,44 @@ void Application::computeOverallSyncStatus()
         SyncResult folderResult = syncedFolder->syncResult();
         SyncResult::Status syncStatus = folderResult.status();
 
-        if( ! folderResult.localRunOnly() ) { // skip local runs, use the last message.
-            if ( syncStatus == SyncResult::Success ) {
-                folderMessage = tr( "Folder %1: Ok." ).arg( syncedFolder->alias() );
-            } else if ( syncStatus == SyncResult::Error ) {
+        if( ! folderResult.localRunOnly() && syncedFolder->syncEnabled() ) { // skip local runs, use the last message.
+            switch( syncStatus ) {
+            case SyncResult::Undefined:
+                if ( overallResult.status() != SyncResult::Error ) {
+                    overallResult = SyncResult::Error;
+                }
+                folderMessage = tr( "Undefined State." );
+                break;
+            case SyncResult::NotYetStarted:
+                folderMessage = tr( "Waits to start syncing." );
+                break;
+            case SyncResult::SyncRunning:
+                folderMessage = tr( "Sync is running." );
+                break;
+            case SyncResult::Success:
+                folderMessage = tr( "Last Sync was successful." );
+                break;
+            case SyncResult::Error:
                 overallResult = SyncResult::Error;
-                folderMessage = tr( "Folder %1: %2" ).arg( syncedFolder->alias(), folderResult.errorString() );
-            } else if ( syncStatus == SyncResult::SetupError ) {
+                folderMessage = tr( "Syncing Error." );
+                break;
+            case SyncResult::SetupError:
                 if ( overallResult.status() != SyncResult::Error ) {
                     overallResult = SyncResult::SetupError;
                 }
-                folderMessage = tr( "Folder %1: setup error" ).arg( syncedFolder->alias() );
-            } else if ( syncStatus == SyncResult::Disabled ) {
-                if ( overallResult.status() != SyncResult::SetupError
-                     && overallResult.status() != SyncResult::Error ) {
-                    overallResult = SyncResult::Disabled;
-                }
-                folderMessage = tr( "Folder %1: %2" ).arg( syncedFolder->alias(), folderResult.errorString() );
-            } else if ( syncStatus == SyncResult::Undefined ) {
-                if ( overallResult.status() == SyncResult::Success ) {
-                    overallResult = SyncResult::Undefined;
-                }
-                folderMessage = tr( "Folder %1: undefined state" ).arg( syncedFolder->alias() );
+                folderMessage = tr( "Setup Error." );
+                break;
+            default:
+                folderMessage = tr( "Undefined Error State." );
             }
         }
-        _overallStatusStrings[syncedFolder] = folderMessage;
+        _overallStatusStrings[syncedFolder] = QString("Folder %1: %2").arg(syncedFolder->alias()).arg(folderMessage);
     }
 
     // create the tray blob message
     QStringList allStatusStrings = _overallStatusStrings.values();
     trayMessage = allStatusStrings.join("\n");
 
-#if 0
-    if( _statusDialog->isVisible() ) {
-        _statusDialog->slotUpdateFolderState( syncedFolder );
-    }
-#endif
-
     QIcon statusIcon = _theme->syncStateIcon( overallResult.status(), 22 );
 
     if( overallResult.status() == SyncResult::Success ) {
diff --git a/src/mirall/csyncfolder.cpp b/src/mirall/csyncfolder.cpp
index 54c7cbf5a..8380d9059 100644
--- a/src/mirall/csyncfolder.cpp
+++ b/src/mirall/csyncfolder.cpp
@@ -43,7 +43,7 @@ CSyncFolder::~CSyncFolder()
 
 bool CSyncFolder::isBusy() const
 {
-    return false;
+    return (_csync && _csync->isRunning() );
 }
 
 void CSyncFolder::startSync(const QStringList &pathList)
@@ -64,6 +64,13 @@ void CSyncFolder::startSync(const QStringList &pathList)
     _csync->start();
 }
 
+void CSyncFolder::slotTerminateSync()
+{
+    if( _csync ) {
+        _csync->terminate();
+    }
+}
+
 void CSyncFolder::slotCSyncStarted()
 {
     qDebug() << "    * csync thread started";
diff --git a/src/mirall/csyncfolder.h b/src/mirall/csyncfolder.h
index 006eac9ad..e601191e3 100644
--- a/src/mirall/csyncfolder.h
+++ b/src/mirall/csyncfolder.h
@@ -36,6 +36,10 @@ public:
     virtual ~CSyncFolder();
     virtual void startSync(const QStringList &pathList);
     virtual bool isBusy() const;
+
+public slots:
+    void slotTerminateSync();
+
 protected slots:
     void slotCSyncStarted();
     void slotCSyncFinished();
diff --git a/src/mirall/csyncthread.cpp b/src/mirall/csyncthread.cpp
index c8b9e1003..4e2f61392 100644
--- a/src/mirall/csyncthread.cpp
+++ b/src/mirall/csyncthread.cpp
@@ -30,6 +30,8 @@ namespace Mirall {
 /* static variables to hold the credentials */
 QString CSyncThread::_user;
 QString CSyncThread::_passwd;
+QString CSyncThread::_csyncConfigDir;  // to be able to remove the lock file.
+
 QMutex CSyncThread::_mutex;
 
  int CSyncThread::checkPermissions( TREE_WALK_FILE* file, void *data )
@@ -145,6 +147,7 @@ void CSyncThread::run()
     }
     // FIXME: Check if we really need this stringcopy!
     wStats->sourcePath = qstrdup( _source.toLocal8Bit().constData() );
+    _csyncConfigDir = QString::fromLocal8Bit( csync_get_config_dir( csync ));
     _mutex.unlock();
 
     qDebug() << "## CSync Thread local only: " << _localCheckOnly;
@@ -280,6 +283,11 @@ void CSyncThread::setUserPwd( const QString& user, const QString& passwd )
     _mutex.unlock();
 }
 
+QString CSyncThread::csyncConfigDir()
+{
+    return _csyncConfigDir;
+}
+
 int CSyncThread::getauth(const char *prompt,
                          char *buf,
                          size_t len,
diff --git a/src/mirall/csyncthread.h b/src/mirall/csyncthread.h
index 7a19c11eb..152fe398d 100644
--- a/src/mirall/csyncthread.h
+++ b/src/mirall/csyncthread.h
@@ -64,6 +64,7 @@ public:
 
     static void setUserPwd( const QString&, const QString& );
     static int checkPermissions( TREE_WALK_FILE* file, void *data);
+    static QString csyncConfigDir();
 
 signals:
     void treeWalkResult(WalkStats*);
@@ -81,6 +82,7 @@ private:
     static QMutex _mutex;
     static QString _user;
     static QString _passwd;
+    static QString _csyncConfigDir;
 
     QString _source;
     QString _target;
diff --git a/src/mirall/folder.cpp b/src/mirall/folder.cpp
index 72a0b7e6d..5d2abdcc6 100644
--- a/src/mirall/folder.cpp
+++ b/src/mirall/folder.cpp
@@ -113,8 +113,7 @@ void Folder::setSyncEnabled( bool doit )
       _syncResult.clearErrors();
       evaluateSync( QStringList() );
   } else {
-      // disabled.
-      _syncResult.setStatus( SyncResult::Disabled );
+      // disable folder. Done through the _enabled-flag set above
   }
 }
 
diff --git a/src/mirall/folder.h b/src/mirall/folder.h
index 254fde7d0..dd66c5bf7 100644
--- a/src/mirall/folder.h
+++ b/src/mirall/folder.h
@@ -130,12 +130,21 @@ public:
      QString backend() const;
 
      QIcon icon( int size ) const;
-  QTimer   *_pollTimer;
+     QTimer   *_pollTimer;
 
 public slots:
      void slotSyncFinished(const SyncResult &);
+
+     /**
+       *
+       */
      void slotChanged(const QStringList &pathList = QStringList() );
 
+     /**
+       * terminate the current sync run
+       */
+     virtual void slotTerminateSync() = 0;
+
 protected:
     /**
      * The minimum amounts of seconds to wait before
diff --git a/src/mirall/folderman.cpp b/src/mirall/folderman.cpp
index 02c5e8193..3fe482395 100644
--- a/src/mirall/folderman.cpp
+++ b/src/mirall/folderman.cpp
@@ -211,7 +211,19 @@ void FolderMan::slotEnableFolder( const QString& alias, bool enable )
     }
 
     Folder *f = _folderMap[alias];
-    f->setSyncEnabled(enable);
+    if( f ) {
+        f->setSyncEnabled(enable);
+    }
+}
+
+// this really terminates, ie. no questions, no prisoners.
+// csync still remains in a stable state, regardless of that.
+void FolderMan::terminateSyncProcess( const QString& alias )
+{
+    Folder *f = _folderMap[alias];
+    if( f ) {
+        f->slotTerminateSync();
+    }
 }
 
 Folder *FolderMan::folder( const QString& alias )
@@ -269,6 +281,7 @@ void FolderMan::slotScheduleFolderSync()
         return;
     }
 
+    qDebug() << "XX slotScheduleFolderSync: folderQueue size: " << _scheduleQueue.count();
     if( ! _scheduleQueue.isEmpty() ) {
         const QString alias = _scheduleQueue.takeFirst();
         if( _folderMap.contains( alias ) ) {
@@ -299,7 +312,7 @@ void FolderMan::slotFolderSyncFinished( const SyncResult& )
         removeFolder( _currentSyncFolder );
         _folderToDelete = false;
     }
-    _currentSyncFolder = QString();
+    _currentSyncFolder.clear();
     QTimer::singleShot(200, this, SLOT(slotScheduleFolderSync()));
 }
 
diff --git a/src/mirall/folderman.h b/src/mirall/folderman.h
index cf229c8e2..48ec5de56 100644
--- a/src/mirall/folderman.h
+++ b/src/mirall/folderman.h
@@ -84,6 +84,8 @@ public slots:
 
     void slotReparseConfiguration();
 
+    void terminateSyncProcess( const QString& );
+
 private slots:
     // slot to add a folder to the syncing queue
     void slotScheduleSync( const QString & );
diff --git a/src/mirall/mirallconfigfile.cpp b/src/mirall/mirallconfigfile.cpp
index da883137c..f12d56f18 100644
--- a/src/mirall/mirallconfigfile.cpp
+++ b/src/mirall/mirallconfigfile.cpp
@@ -177,7 +177,7 @@ QString MirallConfigFile::ownCloudUrl( const QString& connection, bool webdav )
         if( webdav ) url.append( "files/webdav.php/" );
     }
 
-    qDebug() << "Returning configured owncloud url: " << url;
+    // qDebug() << "Returning configured owncloud url: " << url;
 
   return url;
 }
@@ -191,7 +191,7 @@ QString MirallConfigFile::ownCloudUser( const QString& connection ) const
     settings.beginGroup( con );
 
     QString user = settings.value( "user" ).toString();
-    qDebug() << "Returning configured owncloud user: " << user;
+    // qDebug() << "Returning configured owncloud user: " << user;
 
     return user;
 }
diff --git a/src/mirall/owncloudfolder.cpp b/src/mirall/owncloudfolder.cpp
index 353f3c4ea..2b4a145de 100644
--- a/src/mirall/owncloudfolder.cpp
+++ b/src/mirall/owncloudfolder.cpp
@@ -77,7 +77,7 @@ void ownCloudFolder::slotPollTimerRemoteCheck()
 
 bool ownCloudFolder::isBusy() const
 {
-    return false;
+    return ( _csync && _csync->isRunning() );
 }
 
 QString ownCloudFolder::secondPath() const
@@ -85,7 +85,7 @@ QString ownCloudFolder::secondPath() const
     QString re(_secondPath);
     MirallConfigFile cfg;
     const QString ocUrl = cfg.ownCloudUrl(QString(), true);
-    qDebug() << "**** " << ocUrl << " <-> " << re;
+    // qDebug() << "**** " << ocUrl << " <-> " << re;
     if( re.startsWith( ocUrl ) ) {
         re.remove( ocUrl );
     }
@@ -105,7 +105,7 @@ void ownCloudFolder::startSync(const QStringList &pathList)
         qCritical() << "* ERROR csync is still running and new sync requested.";
         return;
     }
-    delete _csync;
+     delete _csync;
     _errors.clear();
     _csyncError = false;
 
@@ -201,15 +201,19 @@ void ownCloudFolder::slotCSyncTerminated()
 {
     // do not ask csync here for reasons.
     _syncResult.setStatus( SyncResult::Error );
-    _errors.append( tr("The CSync thread terminated unexpectedly.") );
+    _errors.append( tr("The CSync thread terminated.") );
     _syncResult.setErrorStrings(_errors);
-
-    emit syncFinished( _syncResult );
+    _csyncError = true;
+    qDebug() << "-> CSync Terminated!";
+    // emit syncFinished( _syncResult );
 }
 
 void ownCloudFolder::slotCSyncFinished()
 {
+    qDebug() << "-> CSync Finished slot with error " << _csyncError;
+
     if (_csyncError) {
+
         _syncResult.setStatus(SyncResult::Error);
 
         qDebug() << "  ** error Strings: " << _errors;
@@ -224,5 +228,27 @@ void ownCloudFolder::slotCSyncFinished()
     emit syncFinished( _syncResult );
 }
 
+void ownCloudFolder::slotTerminateSync()
+{
+    qDebug() << "folder " << alias() << " Terminating!";
+    QString configDir = _csync->csyncConfigDir();
+    qDebug() << "csync's Config Dir: " << configDir;
+
+    if( _csync ) {
+        _csync->terminate();
+        _csync->wait();
+        delete _csync;
+        _csync = 0;
+    }
+
+    if( ! configDir.isEmpty() ) {
+        QFile file( configDir + QLatin1String("/lock"));
+        if( file.exists() ) {
+            qDebug() << "After termination, lock file exists and gets removed.";
+            file.remove();
+        }
+    }
+}
+
 } // ns
 
diff --git a/src/mirall/owncloudfolder.h b/src/mirall/owncloudfolder.h
index 1acf402dd..17b0841f6 100644
--- a/src/mirall/owncloudfolder.h
+++ b/src/mirall/owncloudfolder.h
@@ -40,6 +40,7 @@ public:
 
 public slots:
     void startSync();
+    void slotTerminateSync();
 
 private slots:
     void slotCSyncStarted();
diff --git a/src/mirall/statusdialog.cpp b/src/mirall/statusdialog.cpp
index 2ce944836..9c6d52917 100644
--- a/src/mirall/statusdialog.cpp
+++ b/src/mirall/statusdialog.cpp
@@ -307,13 +307,15 @@ void StatusDialog::folderToModelItem( QStandardItem *item, Folder *f )
 
     SyncResult res = f->syncResult();
     SyncResult::Status status = res.status();
-    qDebug() << "Folder state is now " << status;
 
     QString errors = res.errorStrings().join("<br/>");
 
     item->setData( _theme->statusHeaderText( status ),  Qt::ToolTipRole );
-
-    item->setData( _theme->syncStateIcon( status, 48 ), FolderViewDelegate::FolderStatusIcon );
+    if( f->syncEnabled() ) {
+        item->setData( _theme->syncStateIcon( status, 48 ), FolderViewDelegate::FolderStatusIcon );
+    } else {
+        item->setData( _theme->folderDisabledIcon(), FolderViewDelegate::FolderStatusIcon );
+    }
     item->setData( _theme->statusHeaderText( status ),  FolderViewDelegate::FolderStatus );
     item->setData( errors,                              FolderViewDelegate::FolderErrorMsg );
 }
diff --git a/src/mirall/syncresult.h b/src/mirall/syncresult.h
index 54789b3ef..2899a9873 100644
--- a/src/mirall/syncresult.h
+++ b/src/mirall/syncresult.h
@@ -31,7 +31,6 @@ public:
       SyncRunning,
       Success,
       Error,
-      Disabled,
       SetupError
     };
 
diff --git a/src/mirall/theme.cpp b/src/mirall/theme.cpp
index 2dcd7bf23..f1d15d06c 100644
--- a/src/mirall/theme.cpp
+++ b/src/mirall/theme.cpp
@@ -47,43 +47,61 @@ QIcon Theme::syncStateIcon( SyncResult::Status status, int ) const
     // FIXME: Mind the size!
     QString statusIcon;
 
-    qDebug() << "Status: " << status;
-
-    if( status == SyncResult::NotYetStarted ) {
+    switch( status ) {
+    case SyncResult::Undefined:
+        statusIcon = "dialog-close";
+        break;
+    case SyncResult::NotYetStarted:
         statusIcon = "task-ongoing";
-    } else if( status == SyncResult::SyncRunning ) {
+        break;
+    case SyncResult::SyncRunning:
         statusIcon = "view-refresh";
-    } else if( status == SyncResult::Success ) {
+        break;
+    case SyncResult::Success:
         statusIcon = "dialog-ok";
-    } else if( status == SyncResult::Error ) {
+        break;
+    case SyncResult::Error:
         statusIcon = "dialog-close";
-    } else if( status == SyncResult::Disabled ) {
+        break;
+    case SyncResult::SetupError:
         statusIcon = "dialog-cancel";
-    } else if( status == SyncResult::SetupError ) {
-        statusIcon = "dialog-cancel";
-    } else {
+        break;
+    default:
         statusIcon = "dialog-close";
     }
     return QIcon::fromTheme( statusIcon, QIcon( QString( ":/mirall/resources/%1").arg(statusIcon) ) );
 }
 
+QIcon Theme::folderDisabledIcon() const
+{
+    // Fixme: Do we really want the dialog-canel from theme here?
+    return QIcon::fromTheme( "dialog-cancel", QIcon( QString( ":/mirall/resources/dialog-cancel")) );
+}
+
 QString Theme::statusHeaderText( SyncResult::Status status ) const
 {
     QString resultStr;
 
-    if( status == SyncResult::NotYetStarted ) {
+    switch( status ) {
+    case SyncResult::Undefined:
+        resultStr = tr("Status undefined");
+        break;
+    case SyncResult::NotYetStarted:
         resultStr = tr("Waiting to start sync");
-    } else if( status == SyncResult::SyncRunning ) {
+        break;
+    case SyncResult::SyncRunning:
         resultStr = tr("Sync is running");
-    } else if( status == SyncResult::Success ) {
+        break;
+    case SyncResult::Success:
         resultStr = tr("Sync Success");
-    } else if( status == SyncResult::Error ) {
+        break;
+    case SyncResult::Error:
         resultStr = tr("Sync Error - Click info button for details.");
-    } else if( status == SyncResult::Disabled ) {
-        resultStr = tr("Sync Disabled");
-    } else if( status == SyncResult::SetupError ) {
+        break;
+    case SyncResult::SetupError:
         resultStr = tr( "Setup Error" );
-    } else {
+        break;
+    default:
         resultStr = tr("Status undefined");
     }
     return resultStr;
diff --git a/src/mirall/theme.h b/src/mirall/theme.h
index f80407daa..54261e6cf 100644
--- a/src/mirall/theme.h
+++ b/src/mirall/theme.h
@@ -42,6 +42,7 @@ public:
       */
     virtual QIcon   folderIcon( const QString&, int ) const;
     virtual QIcon   syncStateIcon( SyncResult::Status, int ) const;
+    virtual QIcon   folderDisabledIcon() const;
     virtual QString statusHeaderText( SyncResult::Status ) const;
     virtual QPixmap splashScreen() const = 0;
     virtual QIcon   applicationIcon() const;
diff --git a/src/mirall/unisonfolder.cpp b/src/mirall/unisonfolder.cpp
index 6e142f660..2c6373b95 100644
--- a/src/mirall/unisonfolder.cpp
+++ b/src/mirall/unisonfolder.cpp
@@ -89,6 +89,12 @@ void UnisonFolder::startSync(const QStringList &pathList)
     _unison->start(program, args);
 }
 
+void UnisonFolder::slotTerminateSync()
+{
+    if( _unison )
+        _unison->terminate();
+}
+
 void UnisonFolder::slotStarted()
 {
     qDebug() << "    * Unison process started ( PID " << _unison->pid() << ")";
diff --git a/src/mirall/unisonfolder.h b/src/mirall/unisonfolder.h
index aaa762e81..e3620e715 100644
--- a/src/mirall/unisonfolder.h
+++ b/src/mirall/unisonfolder.h
@@ -38,6 +38,9 @@ public:
 
     virtual bool isBusy() const;
 
+public slots:
+  void slotTerminateSync();
+
 protected slots:
     void slotReadyReadStandardOutput();
     void slotReadyReadStandardError();