Make dbcmds keep their own weakref, and make ShareTrack work.

src/libtomahawk/database/Database.cpp

@@ -60,11 +60,21 @@ DatabaseCommandFactory::newInstance()
 {
     dbcmd_ptr command = dbcmd_ptr( create() );
 
-    emit created( command );
+    notifyCreated( command );
+
     return command;
 }
 
 
+void
+DatabaseCommandFactory::notifyCreated( const dbcmd_ptr& command )
+{
+    command->setWeakRef( command.toWeakRef() );
+
+    emit created( command );
+}
+
+
 Database* Database::s_instance = 0;
 
 
@@ -177,6 +187,15 @@ Database::enqueue( const QList< Tomahawk::dbcmd_ptr >& lc )
         return;
     }
 
+    foreach ( const Tomahawk::dbcmd_ptr& cmd, lc )
+    {
+        DatabaseCommandFactory* factory = commandFactoryByCommandName( cmd->commandname() );
+        if ( factory )
+        {
+            factory->notifyCreated( cmd );
+        }
+    }
+
     tDebug( LOGVERBOSE ) << "Enqueueing" << lc.count() << "commands to rw thread";
     if ( m_workerRW && m_workerRW.data()->worker() )
         m_workerRW.data()->worker().data()->enqueue( lc );
@@ -193,6 +212,12 @@ Database::enqueue( const Tomahawk::dbcmd_ptr& lc )
         return;
     }
 
+    DatabaseCommandFactory* factory = commandFactoryByCommandName( lc->commandname() );
+    if ( factory )
+    {
+        factory->notifyCreated( lc );
+    }
+
     if ( lc->doesMutates() )
     {
         tDebug( LOGVERBOSE ) << "Enqueueing command to rw thread:" << lc->commandname();

src/libtomahawk/database/Database.h

@@ -43,6 +43,7 @@ class DatabaseImpl;
 class DLLEXPORT DatabaseCommandFactory : public QObject
 {
 Q_OBJECT
+    friend class Database;
 
 public:
     virtual ~DatabaseCommandFactory() {};
@@ -52,6 +53,8 @@ signals:
     void created( const Tomahawk::dbcmd_ptr& command );
 
 protected:
+    void notifyCreated( const Tomahawk::dbcmd_ptr& command );
+
     virtual DatabaseCommand* create() const = 0;
 };
 

src/libtomahawk/database/DatabaseCommand.cpp

@@ -40,11 +40,13 @@ DatabaseCommand::DatabaseCommand( const Tomahawk::source_ptr& src, QObject* pare
     //qDebug() << Q_FUNC_INFO;
 }
 
+
 DatabaseCommand::DatabaseCommand( const DatabaseCommand& other )
     : QObject( other.parent() )
 {
 }
 
+
 DatabaseCommand::~DatabaseCommand()
 {
 //    qDebug() << Q_FUNC_INFO;
@@ -76,4 +78,18 @@ DatabaseCommand::source() const
     return m_source;
 }
 
+
+QWeakPointer< DatabaseCommand >
+DatabaseCommand::weakRef()
+{
+    return m_ownRef;
+}
+
+
+void
+DatabaseCommand::setWeakRef( QWeakPointer< DatabaseCommand > weakRef )
+{
+    m_ownRef = weakRef;
+}
+
 }

src/libtomahawk/database/DatabaseCommand.h

@@ -51,7 +51,7 @@ public:
     explicit DatabaseCommand( QObject* parent = 0 );
     explicit DatabaseCommand( const Tomahawk::source_ptr& src, QObject* parent = 0 );
 
-    DatabaseCommand( const DatabaseCommand &other );
+    DatabaseCommand( const DatabaseCommand &other ); //needed for QMetaType
 
     virtual ~DatabaseCommand();
 
@@ -90,19 +90,22 @@ public:
     }
     void setGuid( const QString& g ) { m_guid = g; }
 
-    void emitFinished() { emit finished(this); emit finished(); }
-    void emitCommitted() { emit committed(this); emit committed(); }
-    void emitRunning() { emit running(this); emit running(); }
+    void emitFinished() { emit finished(m_ownRef.toStrongRef()); emit finished(); }
+    void emitCommitted() { emit committed(m_ownRef.toStrongRef()); emit committed(); }
+    void emitRunning() { emit running(m_ownRef.toStrongRef()); emit running(); }
+
+    QWeakPointer< Tomahawk::DatabaseCommand > weakRef();
+    void setWeakRef( QWeakPointer< Tomahawk::DatabaseCommand > weakRef );
 
 signals:
     void running();
-    void running(DatabaseCommand*);
+    void running( const Tomahawk::dbcmd_ptr& );
 
     void finished();
-    void finished(DatabaseCommand*);
+    void finished( const Tomahawk::dbcmd_ptr& );
 
     void committed();
-    void committed(DatabaseCommand*);
+    void committed( const Tomahawk::dbcmd_ptr& );
 
 private:
     State m_state;
@@ -110,6 +113,8 @@ private:
     mutable QString m_guid;
 
     QVariant m_data;
+
+    QWeakPointer< Tomahawk::DatabaseCommand > m_ownRef;
 };
 
 }

src/libtomahawk/playlist/InboxModel.cpp

@@ -260,7 +260,10 @@ InboxModel::onDbcmdCommitted( const Tomahawk::dbcmd_ptr& cmd )
     QString myDbid = SourceList::instance()->getLocal()->nodeId();
     QString sourceDbid = c->source()->nodeId();
 
-    if ( myDbid != c->recipient() || sourceDbid == c->recipient() ) // if I'm not receiving, or if I'm sending to myself, bail out
+    if ( sourceDbid == c->recipient() ) // if I'm sending to myself, bail out
+        return;
+
+    if ( myDbid != c->recipient() && !c->source()->isLocal() ) // if I'm not the sender and not the receiver, bail out
         return;
 
     Tomahawk::trackdata_ptr td = Tomahawk::TrackData::get( 0, c->artist(), c->track() );