make sure progress is updated even if paused

If the window becomes unoccluded, resuming the timer, it won't update
the progress if paused, because the timer bails early to avoid doing
spurious work. In this case, we do want the update, so just call that
inner part of code before we install the timer.

Submariner/SBDatabaseController.m

@@ -976,6 +976,27 @@ - (void)uninstallProgressTimer {
     progressUpdateTimer = nil;
 }
 
+/// Updates the progress slider, without any preconditions.
+- (void)updateProgress {
+
+    [progressSlider setEnabled:YES];
+    NSString *currentTimeString = [[SBPlayer sharedInstance] currentTimeString];
+    NSString *remainingTimeString = [[SBPlayer sharedInstance] remainingTimeString];
+    double progress = [[SBPlayer sharedInstance] progress];
+
+    if(currentTimeString)
+        [progressTextField setStringValue:currentTimeString];
+
+    if(remainingTimeString)
+        [durationTextField setStringValue:remainingTimeString];
+
+    if(progress > 0)
+        [progressSlider setDoubleValue:progress];
+
+    // If buffering is useful to know, we could reimplement it better someday.
+
+}
+
 - (void)updateProgress:(NSTimer *)updatedTimer {
 
     if([[SBPlayer sharedInstance] isPlaying]) {
@@ -988,22 +1009,7 @@ - (void)updateProgress:(NSTimer *)updatedTimer {
             return;
         }
 
-        [progressSlider setEnabled:YES];
-        NSString *currentTimeString = [[SBPlayer sharedInstance] currentTimeString];
-        NSString *remainingTimeString = [[SBPlayer sharedInstance] remainingTimeString];
-        double progress = [[SBPlayer sharedInstance] progress];
-
-        if(currentTimeString)
-            [progressTextField setStringValue:currentTimeString];
-
-        if(remainingTimeString)
-            [durationTextField setStringValue:remainingTimeString];
-
-        if(progress > 0)
-            [progressSlider setDoubleValue:progress];
-
-        // If buffering is useful to know, we could reimplement it better someday.
-
+        [self updateProgress];
     } else {
         [self clearPlaybackProgress];
     }
@@ -1389,6 +1395,8 @@ - (void)windowDidChangeOcclusionState:(NSNotification *)notification {
         BOOL visible = self.window.occlusionState & NSWindowOcclusionStateVisible;
         BOOL playing = [[SBPlayer sharedInstance] isPlaying];
         if (visible && playing) {
+            // call updateProgress to always update, as updateProgress: from the timer will bail early if paused
+            [self updateProgress];
             [self installProgressTimer];
         }
         else {
@@ -1401,7 +1409,6 @@ - (void)windowDidChangeOcclusionState:(NSNotification *)notification {
 
 
 
-
 #pragma mark -
 #pragma mark Player Notifications (Private)