[ios] Added country rect centering to downloader

iphone/Maps/Classes/MapViewController.h

@@ -33,6 +33,8 @@
 
 - (id) initWithCoder: (NSCoder *)coder;
 
+- (void) ZoomToRect: (m2::RectD const &) rect;
+
 - (void) UpdateIcon: (NSTimer *)theTimer;
 - (void) OnUpdateLocation: (m2::PointD const &) mercatorPoint
           withErrorRadius: (double) errorRadius

iphone/Maps/Classes/MapViewController.mm

@@ -26,6 +26,11 @@ typedef FrameWork<model::FeaturesFetcher, Navigator> framework_t;
   shared_ptr<Locator> m_locator;
   storage::Storage m_storage;
 
+- (void) ZoomToRect: (m2::RectD const &) rect
+{
+  if (m_framework)
+    m_framework->ShowRect(rect);
+}
 
 - (void)UpdateIcon:(NSTimer *)theTimer 
 {

iphone/Maps/Settings/CountriesViewController.mm

@@ -125,6 +125,17 @@ static bool IsOurIndex(TIndex const & theirs, TIndex const & ours)
 //	return nil;
 //}
 
+- (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath
+{
+  TIndex index = CalculateIndex(m_index, indexPath);
+  if (m_storage->CountryStatus(index) == EOnDisk)
+  {
+    m2::RectD bounds = m_storage->CountryBounds(index);
+    [[MapsAppDelegate theApp].settingsManager Hide];
+    [[MapsAppDelegate theApp].mapViewController ZoomToRect:bounds];
+  }
+}
+
 - (NSInteger) tableView: (UITableView *)tableView numberOfRowsInSection: (NSInteger)section
 {
 	return m_storage->CountriesCount(m_index);
@@ -164,6 +175,8 @@ static bool IsOurIndex(TIndex const & theirs, TIndex const & ours)
                                                     blue:68.f/255.f
                                                    alpha:1.f];
         cell.detailTextLabel.text = [NSString stringWithFormat: @"Downloaded (%qu %s), touch to delete", size, kBorMBorGB];
+        // also add "sight" icon for centering on the country
+        cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton;
       }
       break;
     case EDownloading:

map/framework.hpp

@@ -521,6 +521,12 @@ public:
     UpdateNow();
   }
 
+  void ShowRect(m2::RectD const & rect)
+  {
+    m_navigator.SetFromRect(rect);
+    UpdateNow();
+  }
+
   void MemoryWarning()
   {
     // clearing caches on memory warning.

storage/storage.cpp

@@ -266,6 +266,12 @@ namespace storage
     for_each(country.Tiles().begin(), country.Tiles().end(), DeleteMap());
   }
 
+  m2::RectD Storage::CountryBounds(TIndex const & index) const
+  {
+    Country const & country = CountryByIndex(index);
+    return country.Bounds();
+  }
+
   void Storage::DeleteCountry(TIndex const & index)
   {
     Country const & country = CountryByIndex(index);

storage/storage.hpp

@@ -128,6 +128,7 @@ namespace storage
     string CountryName(TIndex const & index) const;
     TLocalAndRemoteSize CountrySizeInBytes(TIndex const & index) const;
     TStatus CountryStatus(TIndex const & index) const;
+    m2::RectD CountryBounds(TIndex const & index) const;
 
     void DownloadCountry(TIndex const & index);
     void DeleteCountry(TIndex const & index);