chrome/browser/ui/views/login_prompt_views.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 "base/strings/string16.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/tab_contents/tab_util.h"
  10 #include "chrome/browser/ui/views/login_view.h"
  11 #include "chrome/common/chrome_switches.h"
  12 #include "components/password_manager/core/browser/password_manager.h"
  13 #include "components/web_modal/web_contents_modal_dialog_host.h"
  14 #include "components/web_modal/web_contents_modal_dialog_manager.h"
  15 #include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
  16 #include "content/public/browser/browser_thread.h"
  17 #include "content/public/browser/render_view_host.h"
  18 #include "content/public/browser/web_contents.h"
  19 #include "grit/generated_resources.h"
  20 #include "net/url_request/url_request.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/views/widget/widget.h"
  23 #include "ui/views/window/dialog_delegate.h"
  24
  25 using autofill::PasswordForm;
  26 using content::BrowserThread;
  27 using content::WebContents;
  28 using web_modal::WebContentsModalDialogManager;
  29 using web_modal::WebContentsModalDialogManagerDelegate;
  30
  31 // ----------------------------------------------------------------------------
  32 // LoginHandlerViews
  33
  34 // This class simply forwards the authentication from the LoginView (on
  35 // the UI thread) to the net::URLRequest (on the I/O thread).
  36 // This class uses ref counting to ensure that it lives until all InvokeLaters
  37 // have been called.
  38 class LoginHandlerViews : public LoginHandler,
  39                           public views::DialogDelegate {
  40  public:
  41   LoginHandlerViews(net::AuthChallengeInfo* auth_info, net::URLRequest* request)
  42       : LoginHandler(auth_info, request),
  43         login_view_(NULL),
  44         dialog_(NULL) {
  45   }
  46
  47   // LoginModelObserver implementation.
  48   virtual void OnAutofillDataAvailable(
  49       const base::string16& username,
  50       const base::string16& password) OVERRIDE {
  51     // Nothing to do here since LoginView takes care of autofill for win.
  52   }
  53   virtual void OnLoginModelDestroying() OVERRIDE {}
  54
  55   // views::DialogDelegate methods:
  56   virtual base::string16 GetDialogButtonLabel(
  57       ui::DialogButton button) const OVERRIDE {
  58     if (button == ui::DIALOG_BUTTON_OK)
  59       return l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_OK_BUTTON_LABEL);
  60     return DialogDelegate::GetDialogButtonLabel(button);
  61   }
  62
  63   virtual base::string16 GetWindowTitle() const OVERRIDE {
  64     return l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_TITLE);
  65   }
  66
  67   virtual void WindowClosing() OVERRIDE {
  68     DCHECK_CURRENTLY_ON(BrowserThread::UI);
  69
  70     WebContents* tab = GetWebContentsForLogin();
  71     if (tab)
  72       tab->GetRenderViewHost()->SetIgnoreInputEvents(false);
  73
  74     // Reference is no longer valid.
  75     dialog_ = NULL;
  76
  77     CancelAuth();
  78   }
  79
  80   virtual void DeleteDelegate() OVERRIDE {
  81     DCHECK_CURRENTLY_ON(BrowserThread::UI);
  82
  83     // The widget is going to delete itself; clear our pointer.
  84     dialog_ = NULL;
  85     SetModel(NULL);
  86
  87     ReleaseSoon();
  88   }
  89
  90   virtual ui::ModalType GetModalType() const OVERRIDE {
  91 #if defined(USE_ASH)
  92     return ui::MODAL_TYPE_CHILD;
  93 #else
  94     return views::WidgetDelegate::GetModalType();
  95 #endif
  96   }
  97
  98   virtual bool Cancel() OVERRIDE {
  99     DCHECK_CURRENTLY_ON(BrowserThread::UI);
 100
 101     CancelAuth();
 102     return true;
 103   }
 104
 105   virtual bool Accept() OVERRIDE {
 106     DCHECK_CURRENTLY_ON(BrowserThread::UI);
 107
 108     SetAuth(login_view_->GetUsername(), login_view_->GetPassword());
 109     return true;
 110   }
 111
 112   virtual views::View* GetInitiallyFocusedView() OVERRIDE {
 113     return login_view_->GetInitiallyFocusedView();
 114   }
 115
 116   virtual views::View* GetContentsView() OVERRIDE {
 117     return login_view_;
 118   }
 119   virtual views::Widget* GetWidget() OVERRIDE {
 120     return login_view_->GetWidget();
 121   }
 122   virtual const views::Widget* GetWidget() const OVERRIDE {
 123     return login_view_->GetWidget();
 124   }
 125
 126   // LoginHandler:
 127
 128   virtual void BuildViewForPasswordManager(
 129       password_manager::PasswordManager* manager,
 130       const base::string16& explanation) OVERRIDE {
 131     DCHECK_CURRENTLY_ON(BrowserThread::UI);
 132
 133     // Create a new LoginView and set the model for it.  The model (password
 134     // manager) is owned by the WebContents, but the view is parented to the
 135     // browser window, so the view may be destroyed after the password
 136     // manager. The view listens for model destruction and unobserves
 137     // accordingly.
 138     login_view_ = new LoginView(explanation, manager);
 139
 140     // Scary thread safety note: This can potentially be called *after* SetAuth
 141     // or CancelAuth (say, if the request was cancelled before the UI thread got
 142     // control).  However, that's OK since any UI interaction in those functions
 143     // will occur via an InvokeLater on the UI thread, which is guaranteed
 144     // to happen after this is called (since this was InvokeLater'd first).
 145     WebContents* requesting_contents = GetWebContentsForLogin();
 146     WebContentsModalDialogManager* web_contents_modal_dialog_manager =
 147         WebContentsModalDialogManager::FromWebContents(requesting_contents);
 148     WebContentsModalDialogManagerDelegate* modal_delegate =
 149         web_contents_modal_dialog_manager->delegate();
 150     CHECK(modal_delegate);
 151     dialog_ = views::Widget::CreateWindowAsFramelessChild(
 152         this, modal_delegate->GetWebContentsModalDialogHost()->GetHostView());
 153     web_contents_modal_dialog_manager->ShowModalDialog(
 154         dialog_->GetNativeView());
 155     NotifyAuthNeeded();
 156   }
 157
 158   virtual void CloseDialog() OVERRIDE {
 159     // The hosting widget may have been freed.
 160     if (dialog_)
 161       dialog_->Close();
 162   }
 163
 164  private:
 165   friend class base::RefCountedThreadSafe<LoginHandlerViews>;
 166   friend class LoginPrompt;
 167
 168   virtual ~LoginHandlerViews() {}
 169
 170   // The LoginView that contains the user's login information
 171   LoginView* login_view_;
 172
 173   views::Widget* dialog_;
 174
 175   DISALLOW_COPY_AND_ASSIGN(LoginHandlerViews);
 176 };
 177
 178 // static
 179 LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
 180                                    net::URLRequest* request) {
 181   return new LoginHandlerViews(auth_info, request);
 182 }