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// Copyright (c) 2011 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 "chrome/browser/ui/login/login_prompt.h"
#include <gtk/gtk.h>
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/password_manager/password_manager.h"
#include "chrome/browser/tab_contents/tab_contents_view_gtk.h"
#include "chrome/browser/tab_contents/tab_util.h"
#include "chrome/browser/ui/gtk/constrained_window_gtk.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "chrome/browser/ui/login/login_model.h"
#include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
#include "content/browser/renderer_host/resource_dispatcher_host.h"
#include "content/browser/tab_contents/navigation_controller.h"
#include "content/browser/tab_contents/tab_contents.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents_delegate.h"
#include "grit/generated_resources.h"
#include "net/url_request/url_request.h"
#include "ui/base/gtk/gtk_compat.h"
#include "ui/base/gtk/gtk_hig_constants.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/base/l10n/l10n_util.h"
using content::BrowserThread;
using webkit::forms::PasswordForm;
// ----------------------------------------------------------------------------
// LoginHandlerGtk
// This class simply forwards the authentication from the LoginView (on
// the UI thread) to the net::URLRequest (on the I/O thread).
// This class uses ref counting to ensure that it lives until all InvokeLaters
// have been called.
class LoginHandlerGtk : public LoginHandler,
public ConstrainedWindowGtkDelegate {
public:
LoginHandlerGtk(net::AuthChallengeInfo* auth_info, net::URLRequest* request)
: LoginHandler(auth_info, request),
username_entry_(NULL),
password_entry_(NULL),
ok_(NULL) {
}
virtual ~LoginHandlerGtk() {
root_.Destroy();
}
// LoginModelObserver implementation.
virtual void OnAutofillDataAvailable(const string16& username,
const string16& password) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
// NOTE: Would be nice to use gtk_entry_get_text_length, but it is fairly
// new and not always in our GTK version.
if (strlen(gtk_entry_get_text(GTK_ENTRY(username_entry_))) == 0) {
gtk_entry_set_text(GTK_ENTRY(username_entry_),
UTF16ToUTF8(username).c_str());
gtk_entry_set_text(GTK_ENTRY(password_entry_),
UTF16ToUTF8(password).c_str());
gtk_editable_select_region(GTK_EDITABLE(username_entry_), 0, -1);
}
}
// LoginHandler:
virtual void BuildViewForPasswordManager(PasswordManager* manager,
const string16& explanation) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
root_.Own(gtk_vbox_new(FALSE, ui::kContentAreaBorder));
GtkWidget* label = gtk_label_new(UTF16ToUTF8(explanation).c_str());
gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);
gtk_box_pack_start(GTK_BOX(root_.get()), 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_util::CreateLabeledControlsGroup(NULL,
l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_USERNAME_FIELD).c_str(),
username_entry_,
l10n_util::GetStringUTF8(IDS_LOGIN_DIALOG_PASSWORD_FIELD).c_str(),
password_entry_,
NULL);
gtk_box_pack_start(GTK_BOX(root_.get()), table, FALSE, FALSE, 0);
GtkWidget* hbox = gtk_hbox_new(FALSE, 12);
gtk_box_pack_start(GTK_BOX(root_.get()), hbox, FALSE, FALSE, 0);
ok_ = gtk_button_new_from_stock(GTK_STOCK_OK);
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(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(OnCancelClickedThunk), this);
gtk_box_pack_end(GTK_BOX(hbox), cancel, FALSE, FALSE, 0);
g_signal_connect(root_.get(), "hierarchy-changed",
G_CALLBACK(OnPromptHierarchyChangedThunk), this);
SetModel(manager);
// Scary thread safety note: This can potentially be called *after* SetAuth
// or CancelAuth (say, if the request was cancelled before the UI thread got
// control). However, that's OK since any UI interaction in those functions
// will occur via an InvokeLater on the UI thread, which is guaranteed
// to happen after this is called (since this was InvokeLater'd first).
TabContents* requesting_contents = GetTabContentsForLogin();
DCHECK(requesting_contents);
TabContentsWrapper* wrapper =
TabContentsWrapper::GetCurrentWrapperForContents(requesting_contents);
SetDialog(new ConstrainedWindowGtk(wrapper, this));
NotifyAuthNeeded();
}
// Overridden from ConstrainedWindowGtkDelegate:
virtual GtkWidget* GetWidgetRoot() {
return root_.get();
}
virtual GtkWidget* GetFocusWidget() {
return username_entry_;
}
virtual void DeleteDelegate() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
// The constrained window is going to delete itself; clear our pointer.
SetDialog(NULL);
SetModel(NULL);
ReleaseSoon();
}
private:
friend class LoginPrompt;
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.
ui::OwnedWidgetGtk root_;
// GtkEntry widgets that the user types into.
GtkWidget* username_entry_;
GtkWidget* password_entry_;
GtkWidget* ok_;
DISALLOW_COPY_AND_ASSIGN(LoginHandlerGtk);
};
void LoginHandlerGtk::OnOKClicked(GtkWidget* sender) {
SetAuth(
UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(username_entry_))),
UTF8ToUTF16(gtk_entry_get_text(GTK_ENTRY(password_entry_))));
}
void LoginHandlerGtk::OnCancelClicked(GtkWidget* sender) {
CancelAuth();
}
void LoginHandlerGtk::OnPromptHierarchyChanged(GtkWidget* sender,
GtkWidget* previous_toplevel) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (!gtk_widget_is_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_can_default(ok_, TRUE);
gtk_widget_grab_default(ok_);
}
// static
LoginHandler* LoginHandler::Create(net::AuthChallengeInfo* auth_info,
net::URLRequest* request) {
return new LoginHandlerGtk(auth_info, request);
}
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