macosx: clean up

modules/gui/macosx/CompatibilityFixes.h

@@ -56,6 +56,11 @@ enum {
     NSApplicationPresentationDisableHideApplication     = (1 <<  8),
     NSApplicationPresentationDisableMenuBarTransparency = (1 <<  9)
 };
+
+@interface NSWindow (IntroducedInLion) // just to shut off warnings, not implemented!
+- (void)setRestorable:(BOOL);
+@end
+
 #endif
 
 #pragma mark -

modules/gui/macosx/MainWindow.m

@@ -80,7 +80,7 @@ static VLCMainWindow *_o_sharedInstance = nil;
     [self setMovableByWindowBackground: YES];
 
     /* we don't want this window to be restored on relaunch */
-    if ([self respondsToSelector:@selector(setRestorable:)])
+    if (OSX_LION)
         [self setRestorable:NO];
 
     return self;

modules/gui/macosx/VideoView.m

@@ -397,10 +397,7 @@ int DeviceCallback( vlc_object_t *p_this, const char *psz_variable,
 
 - (void)renewGState
 {
-    NSWindow *window = [self window];
-
-	if ([window respondsToSelector:@selector(disableScreenUpdatesUntilFlush)])
-		[window disableScreenUpdatesUntilFlush];
+    [[self window] disableScreenUpdatesUntilFlush];
 
     [super renewGState];
 }

modules/gui/macosx/controls.m

@@ -252,7 +252,7 @@
 {
     intf_thread_t * p_intf = VLCIntf;
     BOOL b_invertedEventFromDevice = NO;
-    if ([theEvent respondsToSelector:@selector(isDirectionInvertedFromDevice)])
+    if (OSX_LION)
     {
         if ([theEvent isDirectionInvertedFromDevice])
             b_invertedEventFromDevice = YES;

modules/gui/macosx/misc.m

@@ -190,7 +190,7 @@ static NSMutableArray *blackoutWindows = NULL;
     {
         b_isset_canBecomeKeyWindow = NO;
         /* we don't want this window to be restored on relaunch */
-        if ([self respondsToSelector:@selector(setRestorable:)])
+        if (OSX_LION)
             [self setRestorable:NO];
     }
     return self;