Disable lock if no credentials are present

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

 // Copyright 2014 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 <Cocoa/Cocoa.h>
 
 #import "chrome/browser/ui/cocoa/profiles/profile_chooser_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/avatar_menu.h"
 #include "chrome/browser/profiles/avatar_menu_observer.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profile_window.h"
 #include "chrome/browser/profiles/profiles_state.h"
+#include "chrome/browser/signin/local_auth.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_header_helper.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/signin/signin_ui_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/chrome_pages.h"
@@ skipping 784 matching lines @@
 
 // Creates a main profile card for the guest user.
 - (NSView*)createGuestProfileView;
 
 // Creates an item for the profile |itemIndex| that is used in the fast profile
 // switcher in the middle of the bubble.
 - (NSButton*)createOtherProfileView:(int)itemIndex;
 
 // Creates the "Not you" and Lock option buttons.
 - (NSView*)createOptionsViewWithRect:(NSRect)rect
-                          enableLock:(BOOL)enableLock;
+                         displayLock:(BOOL)displayLock;
 
 // Creates the account management view for the active profile.
 - (NSView*)createCurrentProfileAccountsView:(NSRect)rect;
 
 // Creates the list of accounts for the active profile.
 - (NSView*)createAccountsListWithRect:(NSRect)rect;
 
 // Creates the Gaia sign-in/add account view.
 - (NSView*)buildGaiaEmbeddedView;
 
@@ skipping 293 matching lines @@
 
 - (NSView*)buildProfileChooserView {
   base::scoped_nsobject<NSView> container(
       [[NSView alloc] initWithFrame:NSZeroRect]);
 
   NSView* tutorialView = nil;
   NSView* currentProfileView = nil;
   base::scoped_nsobject<NSMutableArray> otherProfiles(
       [[NSMutableArray alloc] init]);
   // Local and guest profiles cannot lock their profile.
-  bool enableLock = false;
+  bool displayLock = false;
 
   // Loop over the profiles in reverse, so that they are sorted by their
   // y-coordinate, and separate them into active and "other" profiles.
   for (int i = avatarMenu_->GetNumberOfItems() - 1; i >= 0; --i) {
     const AvatarMenu::Item& item = avatarMenu_->GetItemAt(i);
     if (item.active) {
       if (viewMode_ == profiles::BUBBLE_VIEW_MODE_PROFILE_CHOOSER) {
         switch (tutorialMode_) {
           case profiles::TUTORIAL_MODE_NONE:
           case profiles::TUTORIAL_MODE_WELCOME_UPGRADE:
             tutorialView =
                 [self buildWelcomeUpgradeTutorialViewIfNeeded];
             break;
           case profiles::TUTORIAL_MODE_CONFIRM_SIGNIN:
             tutorialView = [self buildSigninConfirmationView];
             break;
           case profiles::TUTORIAL_MODE_SHOW_ERROR:
             tutorialView = [self buildSigninErrorView];
         }
       }
       currentProfileView = [self createCurrentProfileView:item];
-      enableLock = switches::IsNewProfileManagement() && item.signed_in;
+      displayLock = switches::IsNewProfileManagement() && item.signed_in;
     } else {
       [otherProfiles addObject:[self createOtherProfileView:i]];
     }
   }
   if (!currentProfileView)  // Guest windows don't have an active profile.
     currentProfileView = [self createGuestProfileView];
 
   // |yOffset| is the next position at which to draw in |container|
   // coordinates. Add a pixel offset so that the bottom option buttons don't
   // overlap the bubble's rounded corners.
   CGFloat yOffset = 1;
 
   // Option buttons.
   NSRect rect = NSMakeRect(0, yOffset, kFixedMenuWidth, 0);
   NSView* optionsView = [self createOptionsViewWithRect:rect
-                                             enableLock:enableLock];
+                                            displayLock:displayLock];
   [container addSubview:optionsView];
   rect.origin.y = NSMaxY([optionsView frame]);
 
   NSBox* separator = [self horizontalSeparatorWithFrame:rect];
   [container addSubview:separator];
   yOffset = NSMaxY([separator frame]);
 
   if (viewMode_ == profiles::BUBBLE_VIEW_MODE_PROFILE_CHOOSER &&
       switches::IsFastUserSwitching()) {
     // Other profiles switcher. The profiles have already been sorted
@@ skipping 491 matching lines @@
   [profileButton setAlignment:NSLeftTextAlignment];
   [profileButton setBordered:NO];
   [profileButton setTag:itemIndex];
   [profileButton setTarget:self];
   [profileButton setAction:@selector(switchToProfile:)];
 
   return profileButton.autorelease();
 }
 
 - (NSView*)createOptionsViewWithRect:(NSRect)rect
-                          enableLock:(BOOL)enableLock {
+                         displayLock:(BOOL)displayLock {
   NSRect viewRect = NSMakeRect(0, 0,
                                rect.size.width,
                                kBlueButtonHeight + kSmallVerticalSpacing);
   base::scoped_nsobject<NSView> container([[NSView alloc] initWithFrame:rect]);
 
-  if (enableLock) {
+  if (displayLock) {
+    bool enableLock = chrome::LocalAuthCredentialsExist(browser_->profile());
+
     NSButton* lockButton =
         [self hoverButtonWithRect:viewRect
                              text:l10n_util::GetNSString(
                                   IDS_PROFILES_PROFILE_SIGNOUT_BUTTON)
                   imageResourceId:IDR_ICON_PROFILES_MENU_LOCK
                            action:@selector(lockProfile:)];
+    if (!enableLock)
+      [lockButton setEnabled:NO];
     [container addSubview:lockButton];
     viewRect.origin.y = NSMaxY([lockButton frame]);
 
     NSBox* separator = [self horizontalSeparatorWithFrame:viewRect];
     [container addSubview:separator];
     viewRect.origin.y = NSMaxY([separator frame]);
   }
 
   if ([self shouldShowGoIncognito]) {
     NSButton* goIncognitoButton =
@@ skipping 436 matching lines @@
 }
 
 - (bool)shouldShowGoIncognito {
   bool incognitoAvailable =
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognitoAvailable && !browser_->profile()->IsGuestSession();
 }
 
 @end