Emit signal when indexing starts.

src/libtomahawk/database/Database.cpp

@@ -119,6 +119,7 @@ Database::Database( const QString& dbname, QObject* parent )
     tDebug() << Q_FUNC_INFO << "Using" << m_maxConcurrentThreads << "database worker threads";
 
     connect( m_impl, SIGNAL( indexReady() ), SLOT( markAsReady() ) );
+    connect( m_impl, SIGNAL( indexStarted() ), SIGNAL( indexStarted() ) );
     connect( m_impl, SIGNAL( indexReady() ), SIGNAL( indexReady() ) );
 
     Q_ASSERT( m_workerRW );

src/libtomahawk/database/Database.h

@@ -101,7 +101,8 @@ public:
     }
 
 signals:
-    void indexReady(); // search index
+    void indexStarted();
+    void indexReady();
     void ready();
 
     void newJobRO( Tomahawk::dbcmd_ptr );

src/libtomahawk/database/DatabaseImpl.cpp

@@ -199,6 +199,7 @@ Tomahawk::DatabaseImpl::dumpDatabase()
 void
 Tomahawk::DatabaseImpl::loadIndex()
 {
+    connect( m_fuzzyIndex, SIGNAL( indexStarted() ), SIGNAL( indexStarted() ) );
     connect( m_fuzzyIndex, SIGNAL( indexReady() ), SIGNAL( indexReady() ) );
     m_fuzzyIndex->loadLuceneIndex();
 }

src/libtomahawk/database/DatabaseImpl.h

@@ -86,7 +86,9 @@ public:
     void loadIndex();
 
 signals:
+    void indexStarted();
     void indexReady();
+
     void schemaUpdateStarted();
     void schemaUpdateStatus( const QString& message );
     void schemaUpdateDone();

src/libtomahawk/database/fuzzyindex/FuzzyIndex.cpp

@@ -94,6 +94,7 @@ FuzzyIndex::updateIndexSlot()
 void
 FuzzyIndex::beginIndexing()
 {
+    emit indexStarted();
     m_mutex.lock();
 
     try

src/libtomahawk/database/fuzzyindex/FuzzyIndex.h

@@ -52,6 +52,7 @@ public:
     virtual void updateIndex();
 
 signals:
+    void indexStarted();
     void indexReady();
 
 public slots: