chrome/browser/ui/gtk/login_prompt_gtk.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/login/login_prompt.h"
   6
   7 #include <gtk/gtk.h>
   8
   9 #include "base/strings/string16.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "chrome/browser/password_manager/password_manager.h"
  12 #include "chrome/browser/tab_contents/tab_util.h"
  13 #include "chrome/browser/ui/gtk/constrained_window_gtk.h"
  14 #include "chrome/browser/ui/gtk/gtk_util.h"
  15 #include "chrome/browser/ui/login/login_model.h"
  16 #include "components/web_modal/web_contents_modal_dialog_manager.h"
  17 #include "content/public/browser/browser_thread.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "content/public/browser/web_contents_delegate.h"
  20 #include "grit/generated_resources.h"
  21 #include "net/url_request/url_request.h"
  22 #include "ui/base/gtk/gtk_hig_constants.h"
  23 #include "ui/base/gtk/gtk_signal.h"
  24 #include "ui/base/l10n/l10n_util.h"
  25 #include "ui/gfx/gtk_compat.h"
  26 #include "ui/gfx/scoped_gobject.h"
  27
  28 using autofill::PasswordForm;
  29 using content::BrowserThread;
  30 using content::WebContents;
  31 using web_modal::WebContentsModalDialogManager;
  32
  33 // ----------------------------------------------------------------------------
  34 // LoginHandlerGtk
  35
  36 // This class simply forwards the authentication from the LoginView (on
  37 // the UI thread) to the net::URLRequest (on the I/O thread).
  38 // This class uses ref counting to ensure that it lives until all InvokeLaters
  39 // have been called.
  40 class LoginHandlerGtk : public LoginHandler {
  41  public:
  42   LoginHandlerGtk(net::AuthChallengeInfo* auth_info, net::URLRequest* request)
  43       : LoginHandler(auth_info, request),
  44         username_entry_(NULL),
  45         password_entry_(NULL),
  46         ok_(NULL),
  47         dialog_(NULL) {
  48   }
  49
  50   // LoginModelObserver implementation.
  51   virtual void OnAutofillDataAvailable(
  52       const base::string16& username,
  53       const base::string16& password) OVERRIDE {
  54     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  55
  56     // NOTE: Would be nice to use gtk_entry_get_text_length, but it is fairly
  57     // new and not always in our GTK version.
  58     if (strlen(gtk_entry_get_text(GTK_ENTRY(username_entry_))) == 0) {
  59       gtk_entry_set_text(GTK_ENTRY(username_entry_),
  60                          base::UTF16ToUTF8(username).c_str());
  61       gtk_entry_set_text(GTK_ENTRY(password_entry_),
  62                          base::UTF16ToUTF8(password).c_str());
  63       gtk_editable_select_region(GTK_EDITABLE(username_entry_), 0, -1);
  64     }
  65   }
  66   virtual void OnLoginModelDestroying() OVERRIDE {}
  67
  68   // LoginHandler:
  69   virtual void BuildViewForPasswordManager(
  70       PasswordManager* manager,
  71       const base::string16& explanation) OVERRIDE {
  72     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  73
  74     root_.reset(gtk_vbox_new(FALSE, ui::kContentAreaBorder));
  75     g_object_ref_sink(root_.get());
  76     g_signal_connect(root_.get(), "destroy", G_CALLBACK(OnDestroyThunk), this);
  77
  78     GtkWidget* label = gtk_label_new(base::UTF16ToUTF8(explanation).c_str());
  79     gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
  80     gtk_box_pack_start(GTK_BOX(root_.get()), label, FALSE, FALSE, 0);
  81
  82     username_entry_ = gtk_entry_new();
  83     gtk_entry_set_activates_default(GTK_ENTRY(username_entry_), TRUE);
  84
  85     password_entry_ = gtk_entry_new();
  86     gtk_entry_set_activates_default(GTK_ENTRY(password_entry_), TRUE);
  87     gtk_entry_set_visibility(GTK_ENTRY(password_entry_), FALSE);
  88
  89     GtkWidget* table = gtk_util::CreateLabeledControlsGroup(NULL,
  90         l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_USERNAME_FIELD).c_str(),
  91         username_entry_,
  92         l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_PASSWORD_FIELD).c_str(),
  93         password_entry_,
  94         NULL);
  95     gtk_box_pack_start(GTK_BOX(root_.get()), table, FALSE, FALSE, 0);
  96
  97     GtkWidget* hbox = gtk_hbox_new(FALSE, 12);
  98     gtk_box_pack_start(GTK_BOX(root_.get()), hbox, FALSE, FALSE, 0);
  99
 100     ok_ = gtk_button_new_from_stock(GTK_STOCK_OK);
 101     gtk_button_set_label(
 102         GTK_BUTTON(ok_),
 103         l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_OK_BUTTON_LABEL).c_str());
 104     g_signal_connect(ok_, "clicked", G_CALLBACK(OnOKClickedThunk), this);
 105     gtk_box_pack_end(GTK_BOX(hbox), ok_, FALSE, FALSE, 0);
 106
 107     GtkWidget* cancel = gtk_button_new_from_stock(GTK_STOCK_CANCEL);
 108     g_signal_connect(cancel, "clicked", G_CALLBACK(OnCancelClickedThunk), this);
 109     gtk_box_pack_end(GTK_BOX(hbox), cancel, FALSE, FALSE, 0);
 110
 111     g_signal_connect(root_.get(), "hierarchy-changed",
 112                      G_CALLBACK(OnPromptHierarchyChangedThunk), this);
 113
 114     SetModel(manager);
 115
 116     // Scary thread safety note: This can potentially be called *after* SetAuth
 117     // or CancelAuth (say, if the request was cancelled before the UI thread got
 118     // control).  However, that's OK since any UI interaction in those functions
 119     // will occur via an InvokeLater on the UI thread, which is guaranteed
 120     // to happen after this is called (since this was InvokeLater'd first).
 121     WebContents* requesting_contents = GetWebContentsForLogin();
 122     DCHECK(requesting_contents);
 123
 124     dialog_ = CreateWebContentsModalDialogGtk(root_.get(), username_entry_);
 125
 126     WebContentsModalDialogManager* web_contents_modal_dialog_manager =
 127         WebContentsModalDialogManager::FromWebContents(requesting_contents);
 128     web_contents_modal_dialog_manager->ShowDialog(dialog_);
 129
 130     NotifyAuthNeeded();
 131   }
 132
 133   virtual void CloseDialog() OVERRIDE {
 134     // The hosting dialog may have been freed.
 135     if (dialog_)
 136       gtk_widget_destroy(dialog_);
 137   }
 138
 139  protected:
 140   virtual ~LoginHandlerGtk() {
 141   }
 142
 143  private:
 144   friend class LoginPrompt;
 145
 146   CHROMEGTK_CALLBACK_0(LoginHandlerGtk, void, OnOKClicked);
 147   CHROMEGTK_CALLBACK_0(LoginHandlerGtk, void, OnCancelClicked);
 148   CHROMEGTK_CALLBACK_1(LoginHandlerGtk, void, OnPromptHierarchyChanged,
 149                        GtkWidget*);
 150   CHROMEGTK_CALLBACK_0(LoginHandlerGtk, void, OnDestroy);
 151
 152   // The GtkWidgets that form our visual hierarchy:
 153   // The root container we pass to our parent.
 154   ui::ScopedGObject<GtkWidget>::Type root_;
 155
 156   // GtkEntry widgets that the user types into.
 157   GtkWidget* username_entry_;
 158   GtkWidget* password_entry_;
 159   GtkWidget* ok_;
 160
 161   GtkWidget* dialog_;
 162
 163   DISALLOW_COPY_AND_ASSIGN(LoginHandlerGtk);
 164 };
 165
 166 void LoginHandlerGtk::OnOKClicked(GtkWidget* sender) {
 167   SetAuth(
 168       base::UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(username_entry_))),
 169       base::UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(password_entry_))));
 170 }
 171
 172 void LoginHandlerGtk::OnCancelClicked(GtkWidget* sender) {
 173   CancelAuth();
 174 }
 175
 176 void LoginHandlerGtk::OnPromptHierarchyChanged(GtkWidget* sender,
 177                                                GtkWidget* previous_toplevel) {
 178   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 179
 180   if (!gtk_widget_is_toplevel(gtk_widget_get_toplevel(ok_)))
 181     return;
 182
 183   // Now that we have attached ourself to the window, we can make our OK
 184   // button the default action and mess with the focus.
 185   gtk_widget_set_can_default(ok_, TRUE);
 186   gtk_widget_grab_default(ok_);
 187 }
 188
 189 // static
 190 LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
 191                                    net::URLRequest* request) {
 192   return new LoginHandlerGtk(auth_info, request);
 193 }
 194
 195 void LoginHandlerGtk::OnDestroy(GtkWidget* widget) {
 196   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 197
 198   // The web contents modal dialog is going to delete itself; clear our pointer.
 199   dialog_ = NULL;
 200   SetModel(NULL);
 201
 202   ReleaseSoon();
 203 }