chrome/browser/ui/views/login_view.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/views/login_view.h"
   6
   7 #include "grit/generated_resources.h"
   8 #include "ui/base/l10n/l10n_util.h"
   9 #include "ui/views/controls/label.h"
  10 #include "ui/views/controls/textfield/textfield.h"
  11 #include "ui/views/layout/grid_layout.h"
  12 #include "ui/views/layout/layout_constants.h"
  13
  14 static const int kMessageWidth = 320;
  15 static const int kTextfieldStackHorizontalSpacing = 30;
  16
  17 using views::GridLayout;
  18
  19 ///////////////////////////////////////////////////////////////////////////////
  20 // LoginView, public:
  21
  22 LoginView::LoginView(const base::string16& explanation,
  23                      LoginModel* model)
  24     : username_field_(new views::Textfield()),
  25       password_field_(new views::Textfield()),
  26       username_label_(new views::Label(
  27           l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_USERNAME_FIELD))),
  28       password_label_(new views::Label(
  29           l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_PASSWORD_FIELD))),
  30       message_label_(new views::Label(explanation)),
  31       login_model_(model) {
  32   password_field_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  33   message_label_->SetMultiLine(true);
  34   message_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  35   message_label_->SetAllowCharacterBreak(true);
  36
  37   // Initialize the Grid Layout Manager used for this dialog box.
  38   GridLayout* layout = GridLayout::CreatePanel(this);
  39   SetLayoutManager(layout);
  40
  41   // Add the column set for the information message at the top of the dialog
  42   // box.
  43   const int single_column_view_set_id = 0;
  44   views::ColumnSet* column_set =
  45       layout->AddColumnSet(single_column_view_set_id);
  46   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
  47                         GridLayout::FIXED, kMessageWidth, 0);
  48
  49   // Add the column set for the user name and password fields and labels.
  50   const int labels_column_set_id = 1;
  51   column_set = layout->AddColumnSet(labels_column_set_id);
  52   column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
  53   column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  54                         GridLayout::USE_PREF, 0, 0);
  55   column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
  56   column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
  57                         GridLayout::USE_PREF, 0, 0);
  58   column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
  59
  60   layout->StartRow(0, single_column_view_set_id);
  61   layout->AddView(message_label_);
  62
  63   layout->AddPaddingRow(0, views::kUnrelatedControlLargeVerticalSpacing);
  64
  65   layout->StartRow(0, labels_column_set_id);
  66   layout->AddView(username_label_);
  67   layout->AddView(username_field_);
  68
  69   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
  70
  71   layout->StartRow(0, labels_column_set_id);
  72   layout->AddView(password_label_);
  73   layout->AddView(password_field_);
  74
  75   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
  76
  77   if (login_model_)
  78     login_model_->AddObserver(this);
  79 }
  80
  81 LoginView::~LoginView() {
  82   if (login_model_)
  83     login_model_->RemoveObserver(this);
  84 }
  85
  86 const base::string16& LoginView::GetUsername() const {
  87   return username_field_->text();
  88 }
  89
  90 const base::string16& LoginView::GetPassword() const {
  91   return password_field_->text();
  92 }
  93
  94 views::View* LoginView::GetInitiallyFocusedView() {
  95   return username_field_;
  96 }
  97
  98 ///////////////////////////////////////////////////////////////////////////////
  99 // LoginView, views::View, views::LoginModelObserver overrides:
 100
 101 void LoginView::OnAutofillDataAvailable(const base::string16& username,
 102                                         const base::string16& password) {
 103   if (username_field_->text().empty()) {
 104     username_field_->SetText(username);
 105     password_field_->SetText(password);
 106     username_field_->SelectAll(true);
 107   }
 108 }
 109
 110 void LoginView::OnLoginModelDestroying() {
 111   login_model_->RemoveObserver(this);
 112   login_model_ = NULL;
 113 }