Adding success/failure notification haptics for HUD display.

ios/chrome/browser/ui/browser_view_controller.mm

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/ui/browser_view_controller.h"
 
 #import <AssetsLibrary/AssetsLibrary.h>
 #import <MobileCoreServices/MobileCoreServices.h>
 #import <PassKit/PassKit.h>
 #import <Photos/Photos.h>
@@ skipping 3388 matching lines @@
   [[_model currentTab] goToItem:selectedCell.entry.navigationItem];
   [_toolbarController dismissTabHistoryPopup];
 }
 
 - (void)print {
   Tab* currentTab = [_model currentTab];
   // The UI should prevent users from printing non-printable pages. However, a
   // redirection to an un-printable page can happen before it is reflected in
   // the UI.
   if (![currentTab viewForPrinting]) {
+    TriggerHapticFeedbackForNotification(UINotificationFeedbackTypeError);
     [self showSnackbar:l10n_util::GetNSString(IDS_IOS_CANNOT_PRINT_PAGE_ERROR)];
     return;
   }
   DCHECK(_browserState);
   if (!_printController.get()) {
     _printController.reset([[PrintController alloc]
         initWithContextGetter:_browserState->GetRequestContext()]);
   }
   [_printController printView:[currentTab viewForPrinting]
                     withTitle:[currentTab title]
                viewController:self];
 }
 
 - (void)addToReadingListURL:(const GURL&)URL title:(NSString*)title {
   if (!reading_list::switches::IsReadingListEnabled()) {
     return;
   }
   base::RecordAction(UserMetricsAction("MobileReadingListAdd"));
 
   ReadingListModel* readingModel =
       ReadingListModelFactory::GetForBrowserState(_browserState);
   readingModel->AddEntry(URL, base::SysNSStringToUTF8(title),
                          reading_list::ADDED_VIA_CURRENT_APP);
 
+  TriggerHapticFeedbackForNotification(UINotificationFeedbackTypeSuccess);
   [self showSnackbar:l10n_util::GetNSString(
                          IDS_IOS_READING_LIST_SNACKBAR_MESSAGE)];
 }
 
 #pragma mark - Keyboard commands management
 
 - (BOOL)shouldRegisterKeyboardCommands {
   if ([self presentedViewController])
     return NO;
 
@@ skipping 1401 matching lines @@
 - (void)shareDidComplete:(ShareTo::ShareResult)shareStatus
           successMessage:(NSString*)message {
   // The shareTo dialog dismisses itself instead of through
   // |-dismissViewControllerAnimated:completion:| so we must reset the
   // presenting state here.
   self.presenting = NO;
   [self.dialogPresenter tryToPresent];
 
   switch (shareStatus) {
     case ShareTo::SHARE_SUCCESS:
-      if ([message length])
+      if ([message length]) {
+        TriggerHapticFeedbackForNotification(UINotificationFeedbackTypeSuccess);
         [self showSnackbar:message];
+      }
       break;
     case ShareTo::SHARE_ERROR:
       [self showErrorAlert:IDS_IOS_SHARE_TO_ERROR_ALERT_TITLE
                    message:IDS_IOS_SHARE_TO_ERROR_ALERT];
       break;
     case ShareTo::SHARE_NETWORK_FAILURE:
       [self showErrorAlert:IDS_IOS_SHARE_TO_NETWORK_ERROR_ALERT_TITLE
                    message:IDS_IOS_SHARE_TO_NETWORK_ERROR_ALERT];
       break;
     case ShareTo::SHARE_SIGN_IN_FAILURE:
@@ skipping 13 matching lines @@
   switch (shareStatus) {
     case ShareTo::SHARE_SUCCESS: {
       PasswordController* passwordController =
           [[_model currentTab] passwordController];
       __block BOOL shown = NO;
       [passwordController findAndFillPasswordForms:username
                                           password:password
                                  completionHandler:^(BOOL completed) {
                                    if (shown || !completed || ![message length])
                                      return;
+                                   TriggerHapticFeedbackForNotification(
+                                       UINotificationFeedbackTypeSuccess);
                                    [self showSnackbar:message];
                                    shown = YES;
                                  }];
       break;
     }
     default:
       break;
   }
 }
 
@@ skipping 126 matching lines @@
 
 - (UIView*)voiceSearchButton {
   return _voiceSearchButton;
 }
 
 - (id<LogoAnimationControllerOwner>)logoAnimationControllerOwner {
   return [self currentLogoAnimationControllerOwner];
 }
 
 @end