Move signin status and current user information into AppListModel.

ui/app_list/cocoa/app_list_view_controller.mm

Index: ui/app_list/cocoa/app_list_view_controller.mm
diff --git a/ui/app_list/cocoa/app_list_view_controller.mm b/ui/app_list/cocoa/app_list_view_controller.mm
index e464721664235ada916d2c7c999ea7b45dc75f15..ec9410b2648e92cb19d5d600d372f6e2648f8644 100644
--- a/ui/app_list/cocoa/app_list_view_controller.mm
+++ b/ui/app_list/cocoa/app_list_view_controller.mm
@@ -6,12 +6,13 @@
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/string_util.h"
+#include "base/strings/sys_string_conversions.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/app_list/app_list_constants.h"
 #include "ui/app_list/app_list_model.h"
+#include "ui/app_list/app_list_model_observer.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/signin_delegate.h"
-#include "ui/app_list/signin_delegate_observer.h"
 #import "ui/app_list/cocoa/app_list_pager_view.h"
 #import "ui/app_list/cocoa/apps_grid_controller.h"
 #import "ui/app_list/cocoa/signin_view_controller.h"
@@ -75,34 +76,44 @@ const NSTimeInterval kResultsAnimationDuration = 0.2;
 
 - (void)loadAndSetView;
 - (void)revealSearchResults:(BOOL)show;
-- (app_list::SigninDelegate*)signinDelegate;
 
 @end
 
 namespace app_list {
 
-class SigninDelegateObserverBridge : public SigninDelegateObserver {
+class AppListModelObserverBridge : public AppListModelObserver {
  public:
-  SigninDelegateObserverBridge(AppListViewController* parent)
-      : parent_(parent) {
-    [parent_ signinDelegate]->AddObserver(this);
-  }
-
-  virtual ~SigninDelegateObserverBridge() {
-    [parent_ signinDelegate]->RemoveObserver(this);
-  }
+  AppListModelObserverBridge(AppListViewController* parent);
+  virtual ~AppListModelObserverBridge();
 
  private:
-  // SigninDelegateObserver override:
-  virtual void OnSigninSuccess() OVERRIDE {
-    [parent_ onSigninStatusChanged];
-  }
+  // Overridden from app_list::AppListModelObserver:
+  virtual void OnAppListModelCurrentUserChanged() OVERRIDE;
+  virtual void OnAppListModelSigninStatusChanged() OVERRIDE;
 
   AppListViewController* parent_;  // Weak. Owns us.
 
-  DISALLOW_COPY_AND_ASSIGN(SigninDelegateObserverBridge);
+  DISALLOW_COPY_AND_ASSIGN(AppListModelObserverBridge);
 };
 
+AppListModelObserverBridge::AppListModelObserverBridge(
+    AppListViewController* parent)
+    : parent_(parent) {
+  [[parent_ appsGridController] model]->AddObserver(this);
+}
+
+AppListModelObserverBridge::~AppListModelObserverBridge() {
+  [[parent_ appsGridController] model]->RemoveObserver(this);
+}
+
+void AppListModelObserverBridge::OnAppListModelCurrentUserChanged() {
+  [parent_ onSigninStatusChanged];
+}
+
+void AppListModelObserverBridge::OnAppListModelSigninStatusChanged() {
+  [parent_ onSigninStatusChanged];
+}
+
 }  // namespace app_list
 
 @implementation AppListViewController
@@ -148,7 +159,7 @@ class SigninDelegateObserverBridge : public SigninDelegateObserver {
       withTestModel:(scoped_ptr<app_list::AppListModel>)newModel {
   if (delegate_) {
     // First clean up, in reverse order.
-    signin_observer_bridge_.reset();
+    app_list_model_observer_bridge_.reset();
     [appsSearchResultsController_ setDelegate:nil];
     [appsSearchBoxController_ setDelegate:nil];
   }
@@ -158,6 +169,8 @@ class SigninDelegateObserverBridge : public SigninDelegateObserver {
     [appsGridController_ setModel:newModel.Pass()];
   [appsSearchBoxController_ setDelegate:self];
   [appsSearchResultsController_ setDelegate:self];
+  app_list_model_observer_bridge_.reset(
+      new app_list::AppListModelObserverBridge(self));
   [self onSigninStatusChanged];
 }
 
@@ -309,6 +322,16 @@ class SigninDelegateObserverBridge : public SigninDelegateObserver {
   return [appsGridController_ model];
 }
 
+- (NSString*)currentUserName {
+  return base::SysUTF16ToNSString(
+      [appsGridController_ model]->current_user_name());
+}
+
+- (NSString*)currentUserEmail {
+  return base::SysUTF16ToNSString(
+      [appsGridController_ model]->current_user_email());
+}
+
 - (void)openResult:(app_list::SearchResult*)result {
   if (delegate_)
     delegate_->OpenSearchResult(result, 0 /* event flags */);
@@ -318,11 +341,15 @@ class SigninDelegateObserverBridge : public SigninDelegateObserver {
 
 - (void)onSigninStatusChanged {
   [appsSearchBoxController_ rebuildMenu];
-  app_list::SigninDelegate* signinDelegate = [self signinDelegate];
-  BOOL needsSignin = signinDelegate && signinDelegate->NeedSignin();
-  if (!needsSignin) {
+  app_list::SigninDelegate* signinDelegate =
+      delegate_ ? delegate_->GetSigninDelegate() : NULL;
+  BOOL show_signin_view =
+      signinDelegate && ![appsGridController_ model]->signed_in();
+  if (!!signinViewController_ == show_signin_view)
+    return;
+
+  if (!show_signin_view) {
     [[signinViewController_ view] removeFromSuperview];
-    signin_observer_bridge_.reset();
     signinViewController_.reset();
     [backgroundView_ setHidden:NO];
     return;
@@ -333,13 +360,7 @@ class SigninDelegateObserverBridge : public SigninDelegateObserver {
       [[SigninViewController alloc] initWithFrame:[backgroundView_ frame]
                                      cornerRadius:kBubbleCornerRadius
                                          delegate:signinDelegate]);
-  signin_observer_bridge_.reset(
-      new app_list::SigninDelegateObserverBridge(self));
   [[self view] addSubview:[signinViewController_ view]];
 }
 
-- (app_list::SigninDelegate*)signinDelegate {
-  return delegate_ ? delegate_->GetSigninDelegate() : NULL;
-}
-
 @end