[win] Add signin support for the app launcher.

ui/app_list/views/app_list_view.cc

Index: ui/app_list/views/app_list_view.cc
diff --git a/ui/app_list/views/app_list_view.cc b/ui/app_list/views/app_list_view.cc
index c288689919b81144f7c54e485cc01546b37c9018..1ece80d5d34031575400f4e85ee078139129405c 100644
--- a/ui/app_list/views/app_list_view.cc
+++ b/ui/app_list/views/app_list_view.cc
@@ -9,9 +9,11 @@
 #include "ui/app_list/app_list_model.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/app_list/pagination_model.h"
+#include "ui/app_list/signin_delegate.h"
 #include "ui/app_list/views/app_list_background.h"
 #include "ui/app_list/views/app_list_main_view.h"
 #include "ui/app_list/views/search_box_view.h"
+#include "ui/app_list/views/signin_view.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/path.h"
 #include "ui/gfx/skia_util.h"
@@ -35,12 +37,18 @@ const int kArrowOffset = 10;
 AppListView::AppListView(AppListViewDelegate* delegate)
     : model_(new AppListModel),
       delegate_(delegate),
-      app_list_main_view_(NULL) {
+      app_list_main_view_(NULL),
+      signin_view_(NULL) {
   if (delegate_)
     delegate_->SetModel(model_.get());
+  if (GetSigninDelegate())
+    GetSigninDelegate()->AddObserver(this);
 }
 
 AppListView::~AppListView() {
+  if (GetSigninDelegate())
+    GetSigninDelegate()->RemoveObserver(this);
+
   // Models are going away, ensure their references are cleared.
   RemoveAllChildViews(true);
 }
@@ -51,19 +59,20 @@ void AppListView::InitAsBubble(
     views::View* anchor,
     const gfx::Point& anchor_point,
     views::BubbleBorder::ArrowLocation arrow_location) {
+
   app_list_main_view_ = new AppListMainView(delegate_.get(),
                                             model_.get(),
                                             pagination_model,
                                             anchor);
-  SetLayoutManager(new views::FillLayout());
-
+  AddChildView(app_list_main_view_);
 #if defined(USE_AURA)
   app_list_main_view_->SetPaintToLayer(true);
   app_list_main_view_->SetFillsBoundsOpaquely(false);
   app_list_main_view_->layer()->SetMasksToBounds(true);
 #endif
 
-  AddChildView(app_list_main_view_);
+  signin_view_ = new SigninView(GetSigninDelegate());
+  AddChildView(signin_view_);
 
   set_anchor_view(anchor);
   set_anchor_point(anchor_point);
@@ -121,6 +130,10 @@ void AppListView::UpdateBounds() {
   SizeToContents();
 }
 
+gfx::Size AppListView::GetPreferredSize() {
+  return app_list_main_view_->GetPreferredSize();
+}
+
 views::View* AppListView::GetInitiallyFocusedView() {
   return app_list_main_view_->search_box_view()->search_box();
 }
@@ -145,6 +158,22 @@ bool AppListView::AcceleratorPressed(const ui::Accelerator& accelerator) {
   return false;
 }
 
+void AppListView::Layout() {
+  if (!signin_view_) {
+    app_list_main_view_->SetBounds(0, 0, width(), height());
+    return;
+  }
+
+  if (GetSigninDelegate() && GetSigninDelegate()->NeedSignin()) {
+    signin_view_->SetBounds(0, 0, width(), height());
+    app_list_main_view_->SetBounds(width(), 0, width(), height());
+    return;
+  }
+
+  signin_view_->SetBounds(-width(), 0, width(), height());
+  app_list_main_view_->SetBounds(0, 0, width(), height());
+}
+
 void AppListView::OnWidgetClosing(views::Widget* widget) {
   BubbleDelegateView::OnWidgetClosing(widget);
   if (delegate_.get() && widget == GetWidget())
@@ -159,4 +188,24 @@ void AppListView::OnWidgetActivationChanged(views::Widget* widget,
     delegate_->ViewActivationChanged(active);
 }
 
+void AppListView::OnWidgetVisibilityChanged(views::Widget* widget,
+                                            bool visible) {
+  BubbleDelegateView::OnWidgetVisibilityChanged(widget, visible);
+
+  if (widget != GetWidget())
+    return;
+
+  Layout();
+  if (visible && GetSigninDelegate() && GetSigninDelegate()->NeedSignin())
+    signin_view_->BeginSignin();
+}
+
+void AppListView::OnSigninSuccess() {
+  Layout();
+}
+
+SigninDelegate* AppListView::GetSigninDelegate() {
+  return delegate_ ? delegate_->GetSigninDelegate() : NULL;
+}
+
 }  // namespace app_list