Add login prompt dialog support for GTK content shell.

- The GTK login prompt dialog is used for HTTP auth. Some websites need HTTP
  basic access authentication, then the login prompt dialog is required.

BUG=90445
TEST=HTTP authentication websites tested
TBR=jam@chromium.org

Review URL: https://chromiumcodereview.appspot.com/10823099

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149395 0039d316-1c4b-4281-b951-d872f2087c98

content/content_shell.gypi

@@ -86,6 +86,7 @@
         'shell/shell_javascript_dialog_mac.mm',
         'shell/shell_javascript_dialog_win.cc',
         'shell/shell_javascript_dialog.h',
+        'shell/shell_login_dialog_gtk.cc',
         'shell/shell_login_dialog_mac.mm',
         'shell/shell_login_dialog.cc',
         'shell/shell_login_dialog.h',

content/shell/shell_login_dialog.cc

@@ -59,7 +59,7 @@ ShellLoginDialog::~ShellLoginDialog() {
   // referenced/dereferenced.
 }
 
-#if !defined(OS_MACOSX)
+#if !defined(OS_MACOSX) && !defined(TOOLKIT_GTK)
 // Bogus implementations for linking. They are never called because
 // ResourceDispatcherHostDelegate::CreateLoginDelegate returns NULL.
 // TODO: implement ShellLoginDialog for other platforms, drop this #if

content/shell/shell_login_dialog.h

@@ -9,6 +9,10 @@
 #include "base/string16.h"
 #include "content/public/browser/resource_dispatcher_host_login_delegate.h"
 
+#if defined(TOOLKIT_GTK)
+#include "ui/base/gtk/gtk_signal.h"
+#endif
+
 #if defined(OS_MACOSX)
 #if __OBJC__
 @class ShellLoginDialogHelper;
@@ -80,6 +84,11 @@ class ShellLoginDialog : public ResourceDispatcherHostLoginDelegate {
 #if defined(OS_MACOSX)
   // Threading: UI thread.
   ShellLoginDialogHelper* helper_;  // owned
+#elif defined(TOOLKIT_GTK)
+  GtkWidget* username_entry_;
+  GtkWidget* password_entry_;
+  GtkWidget* root_;
+  CHROMEGTK_CALLBACK_1(ShellLoginDialog, void, OnResponse, int);
 #endif
 };
 

content/shell/shell_login_dialog_gtk.cc

+// Copyright (c) 2012 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.
+
+#include "content/shell/shell_login_dialog.h"
+
+#include <gtk/gtk.h>
+
+#include "base/logging.h"
+#include "base/string16.h"
+#include "base/utf_string_conversions.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/resource_dispatcher_host.h"
+#include "content/public/browser/resource_request_info.h"
+#include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
+#include "ui/base/gtk/gtk_hig_constants.h"
+
+namespace content {
+
+void ShellLoginDialog::PlatformCreateDialog(const string16& message) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  int render_process_id;
+  int render_view_id;
+  if (!ResourceRequestInfo::ForRequest(request_)->GetAssociatedRenderView(
+          &render_process_id,  &render_view_id)) {
+    NOTREACHED();
+  }
+
+  WebContents* web_contents = NULL;
+  RenderViewHost* render_view_host =
+      RenderViewHost::FromID(render_process_id, render_view_id);
+  if (render_view_host)
+    web_contents = WebContents::FromRenderViewHost(render_view_host);
+  DCHECK(web_contents);
+
+  gfx::NativeWindow parent_window =
+      web_contents->GetView()->GetTopLevelNativeWindow();
+
+  root_ = gtk_message_dialog_new(parent_window,
+                                 GTK_DIALOG_MODAL,
+                                 GTK_MESSAGE_INFO,
+                                 GTK_BUTTONS_OK_CANCEL,
+                                 "Please log in.");
+
+  GtkWidget* content_area = gtk_dialog_get_content_area(GTK_DIALOG(root_));
+  GtkWidget* label = gtk_label_new(UTF16ToUTF8(message).c_str());
+  gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
+  gtk_box_pack_start(GTK_BOX(content_area), label, FALSE, FALSE, 0);
+
+  username_entry_ = gtk_entry_new();
+  gtk_entry_set_activates_default(GTK_ENTRY(username_entry_), TRUE);
+
+  password_entry_ = gtk_entry_new();
+  gtk_entry_set_activates_default(GTK_ENTRY(password_entry_), TRUE);
+  gtk_entry_set_visibility(GTK_ENTRY(password_entry_), FALSE);
+
+  GtkWidget* table = gtk_table_new(2, 2, FALSE);
+  gtk_table_set_col_spacing(GTK_TABLE(table), 0, ui::kLabelSpacing);
+  gtk_table_set_row_spacings(GTK_TABLE(table), ui::kControlSpacing);
+
+  GtkWidget* username_label = gtk_label_new("Username:");
+  gtk_misc_set_alignment(GTK_MISC(username_label), 0, 0.5);
+
+  gtk_table_attach(GTK_TABLE(table), username_label, 0, 1, 0, 1, GTK_FILL,
+                   GTK_FILL, 0, 0);
+  gtk_table_attach_defaults(GTK_TABLE(table), username_entry_, 1, 2, 0, 1);
+
+  GtkWidget* password_label = gtk_label_new("Password:");
+  gtk_misc_set_alignment(GTK_MISC(password_label), 0, 0.5);
+
+  gtk_table_attach(GTK_TABLE(table), password_label, 0, 1, 1, 2, GTK_FILL,
+                   GTK_FILL, 0, 0);
+  gtk_table_attach_defaults(GTK_TABLE(table), password_entry_, 1, 2, 1, 2);
+
+  gtk_box_pack_start(GTK_BOX(content_area), table, FALSE, FALSE, 0);
+
+  g_signal_connect(root_, "response", G_CALLBACK(OnResponseThunk), this);
+  gtk_widget_grab_focus(username_entry_);
+  gtk_widget_show_all(GTK_WIDGET(root_));
+}
+
+void ShellLoginDialog::PlatformCleanUp() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+}
+
+void ShellLoginDialog::PlatformRequestCancelled() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+}
+
+void ShellLoginDialog::OnResponse(GtkWidget* sender, int response_id) {
+  switch (response_id) {
+    case GTK_RESPONSE_OK:
+      UserAcceptedAuth(
+          UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(username_entry_))),
+          UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(password_entry_))));
+      break;
+    case GTK_RESPONSE_CANCEL:
+    case GTK_RESPONSE_DELETE_EVENT:
+      UserCancelledAuth();
+      break;
+    default:
+      NOTREACHED();
+  }
+
+  gtk_widget_destroy(root_);
+}
+
+}  // namespace content

content/shell/shell_resource_dispatcher_host_delegate.cc

@@ -30,7 +30,7 @@ ShellResourceDispatcherHostDelegate::CreateLoginDelegate(
     return NULL;
   }
 
-#if !defined(OS_MACOSX)
+#if !defined(OS_MACOSX) && !defined(TOOLKIT_GTK)
 // TODO: implement ShellLoginDialog for other platforms, drop this #if
   return NULL;
 #else