[ios] Support managed settings UI for SearchSuggestEnabled

Change the setting UI to uneditable when SearchSuggestEnabled is managed
by enterprise policy.

Bug: 1117253
Change-Id: I2c9619fd3e0d72de572d2dab4124695d8926503e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2360574Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#799704}

ios/chrome/browser/ui/settings/google_services/BUILD.gn

@@ -64,6 +64,7 @@ source_set("google_services") {
     "//ios/chrome/browser/ui/list_model",
     "//ios/chrome/browser/ui/settings:settings_root",
     "//ios/chrome/browser/ui/settings/cells",
+    "//ios/chrome/browser/ui/settings/elements:enterprise_info_popover_view_controller",
     "//ios/chrome/browser/ui/settings/sync",
     "//ios/chrome/browser/ui/settings/sync/utils",
     "//ios/chrome/browser/ui/settings/utils",

ios/chrome/browser/ui/settings/google_services/google_services_settings_coordinator.mm

@@ -115,6 +115,9 @@ using signin_metrics::PromoAction;
       self.browser->GetBrowserState());
   viewController.modelDelegate = self.mediator;
   viewController.serviceDelegate = self.mediator;
+  viewController.dispatcher = static_cast<
+      id<ApplicationCommands, BrowserCommands, BrowsingDataCommands>>(
+      self.browser->GetCommandDispatcher());
   DCHECK(self.baseNavigationController);
   [self.baseNavigationController pushViewController:self.viewController
                                            animated:YES];

ios/chrome/browser/ui/settings/google_services/google_services_settings_mediator.mm

@@ -34,6 +34,7 @@
 #import "ios/chrome/browser/ui/settings/utils/pref_backed_boolean.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_cells_constants.h"
 #import "ios/chrome/browser/ui/table_view/cells/table_view_image_item.h"
+#import "ios/chrome/browser/ui/table_view/cells/table_view_info_button_item.h"
 #import "ios/chrome/browser/ui/ui_feature_flags.h"
 #import "ios/chrome/browser/ui/util/uikit_ui_util.h"
 #import "ios/chrome/common/ui/colors/UIColor+cr_semantic_colors.h"
@@ -84,6 +85,7 @@ typedef NS_ENUM(NSInteger, ItemType) {
   ManageSyncItemType,
   // NonPersonalizedSectionIdentifier section.
   AutocompleteSearchesAndURLsItemType,
+  AutocompleteSearchesAndURLsManagedItemType,
   SafeBrowsingItemType,
   ImproveChromeItemType,
   BetterSearchAndBrowsingItemType,
@@ -166,6 +168,10 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
 // All the items for the non-personalized section.
 @property(nonatomic, strong, readonly) ItemArray nonPersonalizedItems;
 
+// Pref service used to check if a specific pref is managed by enterprise
+// policies.
+@property(nonatomic, assign, readonly) PrefService* userPrefService;
+
 @end
 
 @implementation GoogleServicesSettingsMediator
@@ -183,6 +189,7 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
     DCHECK(syncSetupService);
     _mode = mode;
     _syncSetupService = syncSetupService;
+    _userPrefService = userPrefService;
     _autocompleteSearchPreference = [[PrefBackedBoolean alloc]
         initWithPrefService:userPrefService
                    prefName:prefs::kSearchSuggestEnabled];
@@ -513,19 +520,28 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
 - (void)updateNonPersonalizedSection {
   for (TableViewItem* item in self.nonPersonalizedItems) {
     ItemType type = static_cast<ItemType>(item.type);
-    SyncSwitchItem* switchItem = base::mac::ObjCCast<SyncSwitchItem>(item);
     switch (type) {
       case AutocompleteSearchesAndURLsItemType:
-        switchItem.on = self.autocompleteSearchPreference.value;
+        base::mac::ObjCCast<SyncSwitchItem>(item).on =
+            self.autocompleteSearchPreference.value;
+        break;
+      case AutocompleteSearchesAndURLsManagedItemType:
+        base::mac::ObjCCast<TableViewInfoButtonItem>(item).statusText =
+            self.autocompleteSearchPreference.value
+                ? l10n_util::GetNSString(IDS_IOS_SETTING_ON)
+                : l10n_util::GetNSString(IDS_IOS_SETTING_OFF);
         break;
       case SafeBrowsingItemType:
-        switchItem.on = self.safeBrowsingPreference.value;
+        base::mac::ObjCCast<SyncSwitchItem>(item).on =
+            self.safeBrowsingPreference.value;
         break;
       case ImproveChromeItemType:
-        switchItem.on = self.sendDataUsagePreference.value;
+        base::mac::ObjCCast<SyncSwitchItem>(item).on =
+            self.sendDataUsagePreference.value;
         break;
       case BetterSearchAndBrowsingItemType:
-        switchItem.on = self.anonymizedDataCollectionPreference.value;
+        base::mac::ObjCCast<SyncSwitchItem>(item).on =
+            self.anonymizedDataCollectionPreference.value;
         break;
       case ItemTypePasswordLeakCheckSwitch:
         [self updateLeakCheckItem];
@@ -579,14 +595,27 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
 - (ItemArray)nonPersonalizedItems {
   if (!_nonPersonalizedItems) {
     NSMutableArray* items = [NSMutableArray array];
-    SyncSwitchItem* autocompleteItem = [self
-        switchItemWithItemType:AutocompleteSearchesAndURLsItemType
-                  textStringID:
-                      IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_TEXT
-                detailStringID:
-                    IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_DETAIL
-                      dataType:0];
-    [items addObject:autocompleteItem];
+    if (base::FeatureList::IsEnabled(kEnableIOSManagedSettingsUI) &&
+        self.userPrefService->IsManagedPreference(
+            prefs::kSearchSuggestEnabled)) {
+      TableViewInfoButtonItem* autocompleteItem = [self
+          TableViewInfoButtonItemType:AutocompleteSearchesAndURLsManagedItemType
+                         textStringID:
+                             IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_TEXT
+                       detailStringID:
+                           IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_DETAIL
+                               status:self.autocompleteSearchPreference];
+      [items addObject:autocompleteItem];
+    } else {
+      SyncSwitchItem* autocompleteItem = [self
+          switchItemWithItemType:AutocompleteSearchesAndURLsItemType
+                    textStringID:
+                        IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_TEXT
+                  detailStringID:
+                      IDS_IOS_GOOGLE_SERVICES_SETTINGS_AUTOCOMPLETE_SEARCHES_AND_URLS_DETAIL
+                        dataType:0];
+      [items addObject:autocompleteItem];
+    }
     if (base::FeatureList::IsEnabled(kSafeBrowsingAvailableOnIOS)) {
       SyncSwitchItem* safeBrowsingItem = [self
           switchItemWithItemType:SafeBrowsingItemType
@@ -653,6 +682,20 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
   return switchItem;
 }
 
+// Create a TableViewInfoButtonItem instance.
+- (TableViewInfoButtonItem*)TableViewInfoButtonItemType:(NSInteger)itemType
+                                           textStringID:(int)textStringID
+                                         detailStringID:(int)detailStringID
+                                                 status:(BOOL)status {
+  TableViewInfoButtonItem* managedItem =
+      [[TableViewInfoButtonItem alloc] initWithType:itemType];
+  managedItem.text = GetNSString(textStringID);
+  managedItem.detailText = GetNSString(detailStringID);
+  managedItem.statusText = status ? l10n_util::GetNSString(IDS_IOS_SETTING_ON)
+                                  : l10n_util::GetNSString(IDS_IOS_SETTING_OFF);
+  return managedItem;
+}
+
 // Creates an item to display the sync error. |itemType| should only be one of
 // those types:
 //   + RestartAuthenticationFlowErrorItemType
@@ -800,6 +843,7 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
       // Update the item.
       [self updateLeakCheckItem];
       break;
+    case AutocompleteSearchesAndURLsManagedItemType:
     case IdentityItemType:
     case ManageGoogleAccountItemType:
     case SignInItemType:
@@ -849,6 +893,7 @@ NSString* kGoogleServicesSyncErrorImage = @"google_services_sync_error";
     case SyncDisabledByAdministratorErrorItemType:
     case SyncSettingsNotCofirmedErrorItemType:
     case AutocompleteSearchesAndURLsItemType:
+    case AutocompleteSearchesAndURLsManagedItemType:
     case SafeBrowsingItemType:
     case ItemTypePasswordLeakCheckSwitch:
     case ImproveChromeItemType:

ios/chrome/browser/ui/settings/google_services/google_services_settings_view_controller.mm

@@ -9,16 +9,25 @@
 #include "base/metrics/user_metrics_action.h"
 #import "ios/chrome/browser/ui/settings/cells/settings_switch_cell.h"
 #import "ios/chrome/browser/ui/settings/cells/sync_switch_item.h"
+#import "ios/chrome/browser/ui/settings/elements/enterprise_info_popover_view_controller.h"
 #import "ios/chrome/browser/ui/settings/google_services/google_services_settings_constants.h"
 #import "ios/chrome/browser/ui/settings/google_services/google_services_settings_service_delegate.h"
 #import "ios/chrome/browser/ui/settings/google_services/google_services_settings_view_controller_model_delegate.h"
+#import "ios/chrome/browser/ui/table_view/cells/table_view_info_button_cell.h"
 #include "ios/chrome/grit/ios_strings.h"
+#import "net/base/mac/url_conversions.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
+@interface GoogleServicesSettingsViewController () <
+    PopoverLabelViewControllerDelegate> {
+}
+
+@end
+
 @implementation GoogleServicesSettingsViewController
 
 - (void)viewDidLoad {
@@ -52,6 +61,12 @@
                     forControlEvents:UIControlEventValueChanged];
     TableViewItem* item = [self.tableViewModel itemAtIndexPath:indexPath];
     switchCell.switchView.tag = item.type;
+  } else if ([cell isKindOfClass:[TableViewInfoButtonCell class]]) {
+    TableViewInfoButtonCell* managedCell =
+        base::mac::ObjCCastStrict<TableViewInfoButtonCell>(cell);
+    [managedCell.trailingButton addTarget:self
+                                   action:@selector(didTapManagedUIInfoButton:)
+                         forControlEvents:UIControlEventTouchUpInside];
   }
   return cell;
 }
@@ -147,4 +162,33 @@
       base::UserMetricsAction("IOSGoogleServicesSettingsCloseWithSwipe"));
 }
 
+#pragma mark - Actions
+
+// Called when the user clicks on the information button of the managed
+// setting's UI. Shows a textual bubble with the information of the enterprise.
+- (void)didTapManagedUIInfoButton:(UIButton*)buttonView {
+  EnterpriseInfoPopoverViewController* bubbleViewController =
+      [[EnterpriseInfoPopoverViewController alloc] initWithEnterpriseName:nil];
+
+  bubbleViewController.delegate = self;
+  // Disable the button when showing the bubble.
+  buttonView.enabled = NO;
+
+  // Set the anchor and arrow direction of the bubble.
+  bubbleViewController.popoverPresentationController.sourceView = buttonView;
+  bubbleViewController.popoverPresentationController.sourceRect =
+      buttonView.bounds;
+  bubbleViewController.popoverPresentationController.permittedArrowDirections =
+      UIPopoverArrowDirectionAny;
+
+  [self presentViewController:bubbleViewController animated:YES completion:nil];
+}
+
+#pragma mark - PopoverLabelViewControllerDelegate
+
+- (void)didTapLinkURL:(NSURL*)URL {
+  GURL convertedURL = net::GURLWithNSURL(URL);
+  [self view:nil didTapLinkURL:convertedURL];
+}
+
 @end

ios/chrome/browser/ui/table_view/cells/table_view_info_button_cell.mm

@@ -86,6 +86,7 @@ const CGFloat kCellLabelsWidthProportion = 0.2f;
         [UIFont preferredFontForTextStyle:kTableViewSublabelFontStyle];
     _detailTextLabel.adjustsFontForContentSizeCategory = YES;
     _detailTextLabel.textColor = UIColor.cr_secondaryLabelColor;
+    _detailTextLabel.numberOfLines = 0;
     [self.contentView addSubview:_detailTextLabel];
 
     _statusTextLabel = [[UILabel alloc] init];