rbutil: enable "done" signal on bootloader uninstall

This allows to implement multi-stage uninstallers. Should not affect
the behaviour on current targets.

Change-Id: Idf8aec5caf76cf9317798890d094a7cebdbcabec

rbutil/rbutilqt/base/bootloaderinstallams.cpp

@@ -185,6 +185,7 @@ bool BootloaderInstallAms::uninstall(void)
     emit logItem(tr("To uninstall, perform a normal upgrade with an unmodified "
                     "original firmware"), LOGINFO);
     logInstall(LogRemove);
+    emit done(true);
     return false;
 }
 

rbutil/rbutilqt/base/bootloaderinstallhex.cpp

@@ -236,6 +236,7 @@ bool BootloaderInstallHex::uninstall(void)
 {
     emit logItem(tr("Uninstallation not possible, only installation info removed"), LOGINFO);
     logInstall(LogRemove);
+    emit done(true);
     return false;
 }
 

rbutil/rbutilqt/base/bootloaderinstallimx.cpp

@@ -175,6 +175,7 @@ bool BootloaderInstallImx::uninstall(void)
     emit logItem(tr("To uninstall, perform a normal upgrade with an unmodified "
                     "original firmware."), LOGINFO);
     logInstall(LogRemove);
+    emit done(true);
     return false;
 }
 

rbutil/rbutilqt/base/bootloaderinstallmi4.cpp

@@ -91,6 +91,7 @@ bool BootloaderInstallMi4::uninstall(void)
     emit logItem(tr("Checking for Rockbox bootloader"), LOGINFO);
     if(installed() != BootloaderRockbox) {
         emit logItem(tr("No Rockbox bootloader found"), LOGERROR);
+        emit done(true);
         return false;
     }
 
@@ -101,6 +102,7 @@ bool BootloaderInstallMi4::uninstall(void)
 
     if(Utils::resolvePathCase(original).isEmpty()) {
         emit logItem(tr("Error finding original firmware file"), LOGERROR);
+        emit done(true);
         return false;
     }
 

rbutil/rbutilqt/base/bootloaderinstallmpio.cpp

@@ -127,6 +127,7 @@ bool BootloaderInstallMpio::uninstall(void)
     emit logItem(tr("To uninstall, perform a normal upgrade with an unmodified "
                     "original firmware"), LOGINFO);
     logInstall(LogRemove);
+    emit done(true);
     return false;
 }
 

rbutil/rbutilqt/base/bootloaderinstalltcc.cpp

@@ -150,6 +150,7 @@ bool BootloaderInstallTcc::uninstall(void)
 {
     emit logItem(tr("To uninstall, perform a normal upgrade with an unmodified original firmware"), LOGINFO);
     logInstall(LogRemove);
+    emit done(true);
     return false;
 }
 

rbutil/rbutilqt/rbutilqt.cpp

@@ -569,11 +569,10 @@ void RbUtilQt::uninstallBootloader(void)
 
     connect(bl, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
     connect(bl, SIGNAL(logProgress(int, int)), logger, SLOT(setProgress(int, int)));
+    connect(bl, SIGNAL(done(bool)), logger, SLOT(setFinished()));
 
     bl->uninstall();
 
-    logger->setFinished();
-
 }