Room context preview dismissed unexpectedly (#5993)

- fixed

Author: gileluard

Riot/Modules/Common/Recents/RecentsViewController.m

@@ -366,6 +366,14 @@ - (void)viewDidLayoutSubviews
 
 - (void)refreshRecentsTable
 {
+    if (!self.recentsUpdateEnabled)
+    {
+        isRefreshNeeded = NO;
+        return;
+    }
+    
+    isRefreshNeeded = NO;
+    
     // Refresh the tabBar icon badges
     [[AppDelegate theDelegate].masterTabBarController refreshTabBarBadges];
 
@@ -1034,6 +1042,12 @@ - (void)dataSource:(MXKDataSource *)dataSource didRecognizeAction:(NSString *)ac
 
 - (void)dataSource:(MXKDataSource *)dataSource didCellChange:(id)changes
 {
+    if (!self.recentsUpdateEnabled)
+    {
+        [super dataSource:dataSource didCellChange:changes];
+        return;
+    }
+    
     BOOL cellReloaded = NO;
     if ([changes isKindOfClass:RecentsSectionUpdate.class])
     {
@@ -2502,6 +2516,7 @@ - (UIContextMenuConfiguration *)tableView:(UITableView *)tableView contextMenuCo
         return nil;
     }
 
+    self.recentsUpdateEnabled = NO;
     return [self.contextMenuProvider contextMenuConfigurationWith:cellData from:cell session:self.dataSource.mxSession];
 }
 
@@ -2511,14 +2526,22 @@ - (void)tableView:(UITableView *)tableView willPerformPreviewActionForMenuWithCo
 
     if (!roomId)
     {
+        self.recentsUpdateEnabled = YES;
         return;
     }
 
     [animator addCompletion:^{
+        self.recentsUpdateEnabled = YES;
         [self showRoomWithRoomId:roomId inMatrixSession:self.mainSession];
     }];
 }
 
+- (UITargetedPreview *)tableView:(UITableView *)tableView previewForDismissingContextMenuWithConfiguration:(UIContextMenuConfiguration *)configuration API_AVAILABLE(ios(13.0))
+{
+    self.recentsUpdateEnabled = YES;
+    return nil;
+}
+
 #pragma mark - RoomContextActionServiceDelegate
 
 - (void)roomContextActionServiceDidJoinRoom:(id<RoomContextActionServiceProtocol>)service

Riot/Modules/Home/HomeViewController.m

@@ -902,6 +902,7 @@ - (UIContextMenuConfiguration *)collectionView:(UICollectionView *)collectionVie
         return nil;
     }
 
+    self.recentsUpdateEnabled = NO;
     return [self.contextMenuProvider contextMenuConfigurationWith:cellData from:cell session:self.dataSource.mxSession];
 }
 
@@ -911,12 +912,20 @@ - (void)collectionView:(UICollectionView *)collectionView willPerformPreviewActi
 
     if (!roomId)
     {
+        self.recentsUpdateEnabled = YES;
         return;
     }
 
     [animator addCompletion:^{
+        self.recentsUpdateEnabled = YES;
         [self showRoomWithRoomId:roomId inMatrixSession:self.mainSession];
     }];
 }
 
+- (UITargetedPreview *)collectionView:(UICollectionView *)collectionView previewForDismissingContextMenuWithConfiguration:(UIContextMenuConfiguration *)configuration API_AVAILABLE(ios(13.0))
+{
+    self.recentsUpdateEnabled = YES;
+    return nil;
+}
+
 @end

Riot/Modules/MatrixKit/Controllers/MXKRecentListViewController.h

@@ -59,6 +59,12 @@ limitations under the License.
      The fake top view displayed in case of vertical bounce.
      */
     __weak UIView *topview;
+    
+    /**
+     `isRefreshNeeded` is set to `YES` if an update of the datasource has been triggered but the UI has not been updated.
+     It's set to `NO` after a refresh of the UI.
+     */
+    BOOL isRefreshNeeded;
 }
 
 @property (weak, nonatomic) IBOutlet UISearchBar *recentsSearchBar;
@@ -83,6 +89,11 @@ limitations under the License.
  */
 @property (nonatomic) BOOL enableBarButtonSearch;
 
+/**
+ Enabled or disabled the UI update after recents syncs. Default YES.
+ */
+@property (nonatomic, getter=isRecentsUpdateEnabled) BOOL recentsUpdateEnabled;
+
 #pragma mark - Class methods
 
 /**

Riot/Modules/MatrixKit/Controllers/MXKRecentListViewController.m

@@ -83,6 +83,7 @@ - (void)finalizeInit
 {
     [super finalizeInit];
 
+    _recentsUpdateEnabled = YES;
     _enableBarButtonSearch = YES;
 }
 
@@ -169,6 +170,8 @@ - (void)viewWillAppear:(BOOL)animated
 
     // Observe the server sync
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(onSyncNotification) name:kMXSessionDidSyncNotification object:nil];
+    
+    self.recentsUpdateEnabled = YES;
 }
 
 - (void)viewWillDisappear:(BOOL)animated
@@ -319,6 +322,10 @@ - (void)displayList:(MXKRecentsDataSource *)listDataSource
 
 - (void)refreshRecentsTable
 {
+    if (!self.recentsUpdateEnabled) return;
+    
+    isRefreshNeeded = NO;
+    
     // For now, do a simple full reload
     [self.recentsTableView reloadData];
 }
@@ -330,6 +337,16 @@ - (void)hideSearchBar:(BOOL)hidden
     [self.view setNeedsUpdateConstraints];
 }
 
+- (void)setRecentsUpdateEnabled:(BOOL)activeUpdate
+{
+    _recentsUpdateEnabled = activeUpdate;
+    
+    if (_recentsUpdateEnabled && isRefreshNeeded)
+    {
+        [self refreshRecentsTable];
+    }
+}
+
 #pragma mark - Action
 
 - (IBAction)search:(id)sender
@@ -385,6 +402,12 @@ - (NSString *)cellReuseIdentifierForCellData:(MXKCellData*)cellData
 
 - (void)dataSource:(MXKDataSource *)dataSource didCellChange:(id)changes
 {
+    if (!_recentsUpdateEnabled)
+    {
+        isRefreshNeeded = YES;
+        return;
+    }
+    
     // For now, do a simple full reload
     [self refreshRecentsTable];
 }

changelog.d/5992.bugfix

@@ -0,0 +1 @@
+RecentsViewController: Room context preview dismissed unexpectedly