Pasteboard improvements, UI fixes and site name from pasteboard URL.

[UPDATED]   Timeout after 3 min for other pasteboard copies too.
[FIXED]     Sometimes cell content loading can fail, schedule a retry.
[UPDATED]   Dismiss keyboard when copying content.
[IMPROVED]  Handling of deactivation and reactivation observation.
[ADDED]     When a URL is in the pasteboard, search for the hostname.

platform-darwin/Source/iOS/MPAnswersViewController.m

@@ -161,10 +161,9 @@
     MPSiteEntity *site = [self siteInContext:[MPiOSAppDelegate managedObjectContextForMainThreadIfReady]];
     UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
 
-    if ([cell isKindOfClass:[MPGlobalAnswersCell class]]) {
+    if ([cell isKindOfClass:[MPGlobalAnswersCell class]])
-        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied" ) dismissAfter:2];
+        [self copyAnswer:((MPGlobalAnswersCell *)cell).answerField.text];
-        [UIPasteboard generalPasteboard].string = ((MPGlobalAnswersCell *)cell).answerField.text;
+
-    }
     else if ([cell isKindOfClass:[MPMultipleAnswersCell class]]) {
         if (!_multiple)
             [self setMultiple:YES animated:YES];
@@ -192,6 +191,7 @@
                              } cancelTitle:@"Cancel" otherTitles:@"Remove Questions", nil];
         }
     }
+
     else if ([cell isKindOfClass:[MPSendAnswersCell class]]) {
         NSString *body;
         if (!_multiple) {
@@ -215,14 +215,30 @@
 
         [PearlEMail sendEMailTo:nil fromVC:self subject:strf( @"Master Password security answers for %@", site.name ) body:body];
     }
-    else if ([cell isKindOfClass:[MPAnswersQuestionCell class]]) {
+
-        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied" ) dismissAfter:2];
+    else if ([cell isKindOfClass:[MPAnswersQuestionCell class]])
-        [UIPasteboard generalPasteboard].string = ((MPAnswersQuestionCell *)cell).answerField.text;
+        [self copyAnswer:((MPAnswersQuestionCell *)cell).answerField.text];
-    }
 
     [tableView deselectRowAtIndexPath:indexPath animated:YES];
 }
 
+- (void)copyAnswer:(NSString *)answer {
+
+    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
+    if ([pasteboard respondsToSelector:@selector( setItems:options: )]) {
+        [pasteboard setItems:@[ @{ UIPasteboardTypeAutomatic: answer } ]
+                     options:@{
+                             UIPasteboardOptionLocalOnly     : @NO,
+                             UIPasteboardOptionExpirationDate: [NSDate dateWithTimeIntervalSinceNow:3 * 60]
+                     }];
+        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied (3 min)" ) dismissAfter:2];
+    }
+    else {
+        pasteboard.string = answer;
+        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied" ) dismissAfter:2];
+    }
+}
+
 #pragma mark - Private
 
 - (void)updateAnimated:(BOOL)animated {

platform-darwin/Source/iOS/MPEmergencyViewController.m

@@ -84,8 +84,19 @@
 - (IBAction)copyPassword:(id)sender {
 
     NSString *sitePassword = [self.passwordButton titleForState:UIControlStateNormal];
-    if ([sitePassword length]) {
+    if (![sitePassword length])
-        [UIPasteboard generalPasteboard].string = sitePassword;
+        return;
+
+    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
+    if ([pasteboard respondsToSelector:@selector( setItems:options: )])
+        [pasteboard setItems:@[ @{ UIPasteboardTypeAutomatic: sitePassword } ]
+                     options:@{
+                             UIPasteboardOptionLocalOnly     : @NO,
+                             UIPasteboardOptionExpirationDate: [NSDate dateWithTimeIntervalSinceNow:3 * 60]
+                     }];
+    else
+        pasteboard.string = sitePassword;
+
     [UIView animateWithDuration:0.3f animations:^{
         self.tipContainer.visible = YES;
     }                completion:^(BOOL finished) {
@@ -96,7 +107,6 @@
         } );
     }];
 }
-}
 
 #pragma mark - Private
 

platform-darwin/Source/iOS/MPPasswordCell.m

@@ -493,10 +493,12 @@
 
 - (void)updateAnimated:(BOOL)animated {
 
+    Weakify( self );
     if (![NSThread isMainThread]) {
-        [[NSOperationQueue mainQueue] addOperationWithBlock:^{
+        PearlMainQueueOperation( ^{
+            Strongify( self );
             [self updateAnimated:animated];
-        }];
+        } );
         return;
     }
 
@@ -544,11 +546,17 @@
                 } );
 
         // Calculate Fields
-        [MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
+        if (![MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
             MPSiteEntity *site = [self siteInContext:context];
             MPKey *key = [MPiOSAppDelegate get].key;
-            if (!key)
+            if (!key) {
+                wrn( @"Could not load cell content: key unavailable." );
+                PearlMainQueueOperation( ^{
+                    Strongify( self );
+                    [self updateAnimated:YES];
+                } );
                 return;
+            }
 
             BOOL loginGenerated = site.loginGenerated;
             NSString *password = nil, *loginName = [site resolveLoginUsingKey:key];
@@ -600,7 +608,13 @@
                 else
                     self.indicatorView.hidden = YES;
             } );
-        }];
+        }]) {
+            wrn( @"Could not load cell content: store unavailable." );
+            PearlMainQueueOperation( ^{
+                Strongify( self );
+                [self updateAnimated:YES];
+            } );
+        }
 
         [self.contentView layoutIfNeeded];
     }];
@@ -635,6 +649,8 @@
         return NO;
 
     PearlMainQueue( ^{
+        [self.window endEditing:YES];
+
         UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
         if ([pasteboard respondsToSelector:@selector(setItems:options:)]) {
             [pasteboard setItems:@[ @{ UIPasteboardTypeAutomatic: password } ]
@@ -663,8 +679,10 @@
         return NO;
 
     PearlMainQueue( ^{
-        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Login Name Copied" ) dismissAfter:2];
+        [self.window endEditing:YES];
+
         [UIPasteboard generalPasteboard].string = loginName;
+        [PearlOverlay showTemporaryOverlayWithTitle:strl( @"Login Name Copied" ) dismissAfter:2];
     } );
 
     [site use];

platform-darwin/Source/iOS/MPPasswordsViewController.m

@@ -81,7 +81,6 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
 
     [self registerObservers];
     [self updateConfigKey:nil];
-    [self reloadPasswords];
 }
 
 - (void)viewDidAppear:(BOOL)animated {
@@ -301,17 +300,31 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
 
 - (void)registerObservers {
 
+    static NSRegularExpression *bareHostRE = nil;
+    static dispatch_once_t once = 0;
+    dispatch_once( &once, ^{
+        bareHostRE = [NSRegularExpression regularExpressionWithPattern:@"([^\\.]+\\.[^\\.]+)$" options:0 error:nil];
+    } );
+
     PearlRemoveNotificationObservers();
-    PearlAddNotificationObserver( UIApplicationDidEnterBackgroundNotification, nil, [NSOperationQueue mainQueue],
+    PearlAddNotificationObserver( UIApplicationWillResignActiveNotification, nil, [NSOperationQueue mainQueue],
             ^(MPPasswordsViewController *self, NSNotification *note) {
                 self.passwordSelectionContainer.visible = NO;
             } );
-    PearlAddNotificationObserver( UIApplicationWillEnterForegroundNotification, nil, [NSOperationQueue mainQueue],
-            ^(MPPasswordsViewController *self, NSNotification *note) {
-                [self reloadPasswords];
-            } );
     PearlAddNotificationObserver( UIApplicationDidBecomeActiveNotification, nil, [NSOperationQueue mainQueue],
             ^(MPPasswordsViewController *self, NSNotification *note) {
+                NSURL *pasteboardURL = nil;
+                UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
+                if ([pasteboard respondsToSelector:@selector( hasURLs )])
+                    pasteboardURL = pasteboard.hasURLs? pasteboard.URL: nil;
+                else
+                    pasteboardURL = [NSURL URLWithString:pasteboard.string];
+
+                if (pasteboardURL.host)
+                    self.query = NSNullToNil( [pasteboardURL.host firstMatchGroupsOfExpression:bareHostRE][0] );
+                else
+                    [self reloadPasswords];
+
                 [UIView animateWithDuration:0.7f animations:^{
                     self.passwordSelectionContainer.visible = YES;
                 }];
@@ -319,9 +332,8 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
     PearlAddNotificationObserver( MPSignedOutNotification, nil, nil,
             ^(MPPasswordsViewController *self, NSNotification *note) {
                 PearlMainQueue( ^{
-                    _fetchedResultsController = nil;
+                    self->_fetchedResultsController = nil;
-                    self.passwordsSearchBar.text = nil;
+                    self.query = nil;
-                    [self.passwordCollectionView reloadData];
                 } );
             } );
     PearlAddNotificationObserver( MPCheckConfigNotification, nil, nil,
@@ -333,9 +345,7 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
     PearlAddNotificationObserver( NSPersistentStoreCoordinatorStoresWillChangeNotification, nil, nil,
             ^(MPPasswordsViewController *self, NSNotification *note) {
                 self->_fetchedResultsController = nil;
-                PearlMainQueue( ^{
+                [self reloadPasswords];
-                    [self.passwordCollectionView reloadData];
-                } );
             } );
     PearlAddNotificationObserver( NSPersistentStoreCoordinatorStoresDidChangeNotification, nil, nil,
             ^(MPPasswordsViewController *self, NSNotification *note) {
@@ -345,14 +355,13 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
                 } );
             } );
 
-    NSManagedObjectContext *mainContext = [MPiOSAppDelegate managedObjectContextForMainThreadIfReady];
+    [MPiOSAppDelegate managedObjectContextChanged:^(NSDictionary<NSManagedObjectID *, NSString *> *affectedObjects) {
-    if (mainContext)
+        [MPiOSAppDelegate managedObjectContextForMainThreadPerformBlock:^(NSManagedObjectContext *mainContext) {
-        PearlAddNotificationObserver( NSManagedObjectContextDidSaveNotification, mainContext, nil,
-                ^(MPPasswordsViewController *self, NSNotification *note) {
             // TODO: either move this into the app delegate or remove the duplicate signOutAnimated: call from the app delegate.
-                    if (![[MPiOSAppDelegate get] activeUserInContext:note.object])
+            if (![[MPiOSAppDelegate get] activeUserInContext:mainContext])
                 [[MPiOSAppDelegate get] signOutAnimated:YES];
-                } );
+        }];
+    }];
 }
 
 - (void)updateConfigKey:(NSString *)key {
@@ -372,11 +381,9 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
             fuzzyRE = [NSRegularExpression regularExpressionWithPattern:@"(.)" options:0 error:nil];
         } );
 
-        prof_new( @"updateSites" );
         NSString *queryString = self.query;
         NSString *queryPattern = [[queryString stringByReplacingMatchesOfExpression:fuzzyRE withTemplate:@"*$1"]
                 stringByAppendingString:@"*"];
-        prof_rewind( @"queryPattern" );
         NSMutableArray *fuzzyGroups = [NSMutableArray new];
         [fuzzyRE enumerateMatchesInString:queryString options:0 range:NSMakeRange( 0, queryString.length )
                                usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) {
@@ -408,6 +415,12 @@ typedef NS_OPTIONS( NSUInteger, MPPasswordsTips ) {
     return [self.passwordsSearchBar.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
 }
 
+- (void)setQuery:(NSString *)query {
+
+    self.passwordsSearchBar.text = [query stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
+    [self reloadPasswords];
+}
+
 - (NSFetchedResultsController *)fetchedResultsController {
 
     if (!_fetchedResultsController) {