[ios] Fixed PP crash on swipe.

iphone/Maps/Classes/MWMPlacePage.h

@@ -15,6 +15,7 @@
 @property (weak, nonatomic) IBOutlet MWMBasePlacePageView * basePlacePageView;
 @property (weak, nonatomic) IBOutlet UIView * extendedPlacePageView;
 @property (weak, nonatomic) IBOutlet UIImageView * anchorImageView;
+@property (weak, nonatomic) IBOutlet UIPanGestureRecognizer * panRecognizer;
 @property (weak, nonatomic, readonly) MWMPlacePageViewManager * manager;
 @property (nonatomic) MWMPlacePageActionBar * actionBar;
 @property (nonatomic) CGFloat topBound;

iphone/Maps/Classes/MWMiPhoneLandscapePlacePage.mm

@@ -59,12 +59,6 @@ typedef NS_ENUM(NSUInteger, MWMiPhoneLandscapePlacePageState)
   self.state = MWMiPhoneLandscapePlacePageStateClosed;
 }
 
-- (void)setState:(MWMiPhoneLandscapePlacePageState)state
-{
-  _state = state;
-  [self updateTargetPoint];
-}
-
 - (void)updateTargetPoint
 {
   CGSize const size = UIScreen.mainScreen.bounds.size;
@@ -94,9 +88,10 @@ typedef NS_ENUM(NSUInteger, MWMiPhoneLandscapePlacePageState)
   UIGestureRecognizerState const state = sender.state;
   if (state == UIGestureRecognizerStateEnded || state == UIGestureRecognizerStateCancelled)
   {
+    sender.enabled = NO;
     self.panVelocity = [sender velocityInView:ppvSuper].x;
     if (self.panVelocity > 0)
-      self.state = MWMiPhoneLandscapePlacePageStateOpen;
+      [self show];
     else
       [self.manager dismissPlacePage];
   }
@@ -129,6 +124,12 @@ typedef NS_ENUM(NSUInteger, MWMiPhoneLandscapePlacePageState)
 
 #pragma mark - Properties
 
+- (void)setState:(MWMiPhoneLandscapePlacePageState)state
+{
+  _state = state;
+  [self updateTargetPoint];
+}
+
 - (void)setTopBound:(CGFloat)topBound
 {
   super.topBound = topBound;
@@ -151,6 +152,8 @@ typedef NS_ENUM(NSUInteger, MWMiPhoneLandscapePlacePageState)
     __strong MWMiPhoneLandscapePlacePage * self = weakSelf;
     if (self.state == MWMiPhoneLandscapePlacePageStateClosed)
       [super dismiss];
+    else
+      self.panRecognizer.enabled = YES;
   }];
   self.panVelocity = 0.0;
 }

iphone/Maps/Classes/PlacePageView.xib

@@ -10,6 +10,7 @@
                 <outlet property="anchorImageView" destination="a4c-bA-qa5" id="XxC-0s-K2B"/>
                 <outlet property="basePlacePageView" destination="8RI-YR-2UD" id="B5i-Do-Hos"/>
                 <outlet property="extendedPlacePageView" destination="KWK-Ky-ZkL" id="rlo-FR-5wm"/>
+                <outlet property="panRecognizer" destination="elN-ZP-7aG" id="LmJ-8k-oOP"/>
             </connections>
         </placeholder>
         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>