Handle Arabic buttons and transitions

Classes/LinphoneManager.h

@@ -143,7 +143,7 @@ typedef struct _LinphoneManagerSounds {
 - (void)acceptCallForCallId:(NSString*)callid;
 - (void)cancelLocalNotifTimerForCallId:(NSString*)callid;
 
-
++ (BOOL)langageDirectionIsRTL;
 + (void)kickOffNetworkConnection;
 - (void)setupNetworkReachabilityCallback;
 

Classes/LinphoneManager.m

@@ -245,6 +245,15 @@ struct codec_name_pref_table codec_pref_table[]={
 }
 #endif
 
++ (BOOL)langageDirectionIsRTL {
+    static NSLocaleLanguageDirection dir = NSLocaleLanguageDirectionLeftToRight;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        dir = [NSLocale characterDirectionForLanguage:[[NSLocale currentLocale] objectForKey:NSLocaleLanguageCode]];
+    });
+    return dir == NSLocaleLanguageDirectionRightToLeft;
+}
+
 #pragma mark - Lifecycle Functions
 
 - (id)init {

Classes/LinphoneUI/UIMainBar.m

@@ -102,6 +102,22 @@ static NSString * const kDisappearAnimation = @"disappear";
                                                object:nil];
 }
 
+- (void)flipImageForButton:(UIButton*)button {
+    UIControlState states[] = { UIControlStateNormal, UIControlStateDisabled, UIControlStateSelected, UIControlStateHighlighted, -1 };
+    UIControlState *state = states;
+
+    while (*state != -1) {
+        UIImage* bgImage = [button backgroundImageForState:*state];
+
+        UIImage* flippedImage = [UIImage imageWithCGImage:bgImage.CGImage
+                                                    scale:bgImage.scale
+                                              orientation:UIImageOrientationUpMirrored];
+        [button setBackgroundImage:flippedImage forState:*state];
+        state++;
+    }
+}
+
+
 - (void)viewDidLoad {
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(applicationWillEnterForeground:)
@@ -175,6 +191,14 @@ static NSString * const kDisappearAnimation = @"disappear";
         [LinphoneUtils buttonFixStatesForTabs:chatButton];
         [LinphoneUtils buttonFixStatesForTabs:chatButtonLandscape];
     }
+    if ([LinphoneManager langageDirectionIsRTL]){
+        [self flipImageForButton:historyButton];
+        [self flipImageForButton:settingsButton];
+        [self flipImageForButton:dialerButton];
+        [self flipImageForButton:chatButton];
+        [self flipImageForButton:contactsButton];
+    }
+
 
     [super viewDidLoad]; // Have to be after due to TPMultiLayoutViewController
 }
@@ -201,6 +225,8 @@ static NSString * const kDisappearAnimation = @"disappear";
 }
 
 
+
+
 #pragma mark - Event Functions
 
 - (void)applicationWillEnterForeground:(NSNotification*)notif {

Classes/PhoneMainView.m

@@ -462,21 +462,25 @@ static RootViewManager* rootViewManagerInstance = nil;
 }
 
 + (CATransition*)getBackwardTransition {
+    BOOL RTL = [LinphoneManager langageDirectionIsRTL];
+    NSString* transition = RTL? kCATransitionFromRight : kCATransitionFromLeft;
     CATransition* trans = [CATransition animation];
     [trans setType:kCATransitionPush];
     [trans setDuration:0.35];
     [trans setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
-    [trans setSubtype:kCATransitionFromLeft];
+    [trans setSubtype:transition];
     
     return trans;
 }
 
 + (CATransition*)getForwardTransition {
+    BOOL RTL = [LinphoneManager langageDirectionIsRTL];
+    NSString* transition = RTL? kCATransitionFromLeft : kCATransitionFromRight;
     CATransition* trans = [CATransition animation];
     [trans setType:kCATransitionPush];
     [trans setDuration:0.35];
     [trans setTimingFunction:[CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut]];
-    [trans setSubtype:kCATransitionFromRight];
+    [trans setSubtype:transition];
     
     return trans;
 }
@@ -507,7 +511,7 @@ static RootViewManager* rootViewManagerInstance = nil;
             left = true;
         }
     } 
-    
+
     if(left) {
         return [PhoneMainView getBackwardTransition];
     } else {