reland r57885 with a fix for linux/views.

chrome/browser/login_prompt_gtk.cc

Index: chrome/browser/login_prompt_gtk.cc
diff --git a/chrome/browser/login_prompt_gtk.cc b/chrome/browser/login_prompt_gtk.cc
index c3e89d09f8f4425a894507a535ae88f797fb4a65..a9cfb4b58ca0cb44ad95b5bedcf4f1022cb517f2 100644
--- a/chrome/browser/login_prompt_gtk.cc
+++ b/chrome/browser/login_prompt_gtk.cc
@@ -7,6 +7,7 @@
 #include <gtk/gtk.h>
 
 #include "app/l10n_util.h"
+#include "app/gtk_signal.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/gtk/constrained_window_gtk.h"
@@ -16,6 +17,7 @@
 #include "chrome/browser/renderer_host/resource_dispatcher_host.h"
 #include "chrome/browser/tab_contents/navigation_controller.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/tab_contents/tab_contents_view_gtk.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/common/notification_service.h"
 #include "grit/generated_resources.h"
@@ -89,15 +91,15 @@ class LoginHandlerGtk : public LoginHandler,
     gtk_button_set_label(
         GTK_BUTTON(ok_),
         l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_OK_BUTTON_LABEL).c_str());
-    g_signal_connect(ok_, "clicked", G_CALLBACK(OnOKClicked), this);
+    g_signal_connect(ok_, "clicked", G_CALLBACK(OnOKClickedThunk), this);
     gtk_box_pack_end(GTK_BOX(hbox), ok_, FALSE, FALSE, 0);
 
     GtkWidget* cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
-    g_signal_connect(cancel, "clicked", G_CALLBACK(OnCancelClicked), this);
+    g_signal_connect(cancel, "clicked", G_CALLBACK(OnCancelClickedThunk), this);
     gtk_box_pack_end(GTK_BOX(hbox), cancel, FALSE, FALSE, 0);
 
     g_signal_connect(root_.get(), "hierarchy-changed",
-                     G_CALLBACK(OnPromptShown), this);
+                     G_CALLBACK(OnPromptHierarchyChangedThunk), this);
 
     SetModel(manager);
 
@@ -129,34 +131,10 @@ class LoginHandlerGtk : public LoginHandler,
  private:
   friend class LoginPrompt;
 
-  static void OnOKClicked(GtkButton *button, LoginHandlerGtk* handler) {
-    DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
-
-    handler->SetAuth(
-        UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(handler->username_entry_))),
-        UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(handler->password_entry_))));
-  }
-
-  static void OnCancelClicked(GtkButton *button, LoginHandlerGtk* handler) {
-    DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
-
-    handler->CancelAuth();
-  }
-
-  static void OnPromptShown(GtkButton* root,
-                            GtkWidget* previous_toplevel,
-                            LoginHandlerGtk* handler) {
-    DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
-
-    if (!GTK_WIDGET_TOPLEVEL(gtk_widget_get_toplevel(handler->ok_)))
-      return;
-
-    // Now that we have attached ourself to the window, we can make our OK
-    // button the default action and mess with the focus.
-    GTK_WIDGET_SET_FLAGS(handler->ok_, GTK_CAN_DEFAULT);
-    gtk_widget_grab_default(handler->ok_);
-    gtk_widget_grab_focus(handler->username_entry_);
-  }
+  CHROMEGTK_CALLBACK_0(LoginHandlerGtk, void, OnOKClicked);
+  CHROMEGTK_CALLBACK_0(LoginHandlerGtk, void, OnCancelClicked);
+  CHROMEGTK_CALLBACK_1(LoginHandlerGtk, void, OnPromptHierarchyChanged,
+                       GtkWidget*);
 
   // The GtkWidgets that form our visual hierarchy:
   // The root container we pass to our parent.
@@ -170,6 +148,42 @@ class LoginHandlerGtk : public LoginHandler,
   DISALLOW_COPY_AND_ASSIGN(LoginHandlerGtk);
 };
 
+void LoginHandlerGtk::OnOKClicked(GtkWidget* sender) {
+  SetAuth(
+      UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(username_entry_))),
+      UTF8ToWide(gtk_entry_get_text(GTK_ENTRY(password_entry_))));
+}
+
+void LoginHandlerGtk::OnCancelClicked(GtkWidget* sender) {
+  CancelAuth();
+}
+
+void LoginHandlerGtk::OnPromptHierarchyChanged(GtkWidget* sender,
+                                               GtkWidget* previous_toplevel) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+
+  if (!GTK_WIDGET_TOPLEVEL(gtk_widget_get_toplevel(ok_)))
+    return;
+
+  // Now that we have attached ourself to the window, we can make our OK
+  // button the default action and mess with the focus.
+  GTK_WIDGET_SET_FLAGS(ok_, GTK_CAN_DEFAULT);
+  gtk_widget_grab_default(ok_);
+
+  // The user may have focused another tab. In this case do not grab focus
+  // until this tab is refocused.
+  if (gtk_util::IsWidgetAncestryVisible(username_entry_)) {
+    gtk_widget_grab_focus(username_entry_);
+  } else {
+  // TODO(estade): this define should not need to be here because this class
+  // should not be used on linux/views.
+#if defined(TOOLKIT_GTK)
+    static_cast<TabContentsViewGtk*>(GetTabContentsForLogin()->view())->
+        SetFocusedWidget(username_entry_);
+#endif
+  }
+}
+
 // static
 LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
                                    URLRequest* request) {