src/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 password_manager::LoginModel;
  18 using views::GridLayout;
  19
  20 ///////////////////////////////////////////////////////////////////////////////
  21 // LoginView, public:
  22
  23 LoginView::LoginView(const base::string16& explanation,
  24                      LoginModel* model)
  25     : username_field_(new views::Textfield()),
  26       password_field_(new views::Textfield()),
  27       username_label_(new views::Label(
  28           l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_USERNAME_FIELD))),
  29       password_label_(new views::Label(
  30           l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_PASSWORD_FIELD))),
  31       message_label_(new views::Label(explanation)),
  32       login_model_(model) {
  33   password_field_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  34   message_label_->SetMultiLine(true);
  35   message_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  36   message_label_->SetAllowCharacterBreak(true);
  37
  38   // Initialize the Grid Layout Manager used for this dialog box.
  39   GridLayout* layout = GridLayout::CreatePanel(this);
  40   SetLayoutManager(layout);
  41
  42   // Add the column set for the information message at the top of the dialog
  43   // box.
  44   const int single_column_view_set_id = 0;
  45   views::ColumnSet* column_set =
  46       layout->AddColumnSet(single_column_view_set_id);
  47   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
  48                         GridLayout::FIXED, kMessageWidth, 0);
  49
  50   // Add the column set for the user name and password fields and labels.
  51   const int labels_column_set_id = 1;
  52   column_set = layout->AddColumnSet(labels_column_set_id);
  53   column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
  54   column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  55                         GridLayout::USE_PREF, 0, 0);
  56   column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
  57   column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
  58                         GridLayout::USE_PREF, 0, 0);
  59   column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
  60
  61   layout->StartRow(0, single_column_view_set_id);
  62   layout->AddView(message_label_);
  63
  64   layout->AddPaddingRow(0, views::kUnrelatedControlLargeVerticalSpacing);
  65
  66   layout->StartRow(0, labels_column_set_id);
  67   layout->AddView(username_label_);
  68   layout->AddView(username_field_);
  69
  70   layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
  71
  72   layout->StartRow(0, labels_column_set_id);
  73   layout->AddView(password_label_);
  74   layout->AddView(password_field_);
  75
  76   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
  77
  78   if (login_model_)
  79     login_model_->AddObserver(this);
  80 }
  81
  82 LoginView::~LoginView() {
  83   if (login_model_)
  84     login_model_->RemoveObserver(this);
  85 }
  86
  87 const base::string16& LoginView::GetUsername() const {
  88   return username_field_->text();
  89 }
  90
  91 const base::string16& LoginView::GetPassword() const {
  92   return password_field_->text();
  93 }
  94
  95 views::View* LoginView::GetInitiallyFocusedView() {
  96   return username_field_;
  97 }
  98
  99 ///////////////////////////////////////////////////////////////////////////////
 100 // LoginView, views::View, password_manager::LoginModelObserver overrides:
 101
 102 void LoginView::OnAutofillDataAvailable(const base::string16& username,
 103                                         const base::string16& password) {
 104   if (username_field_->text().empty()) {
 105     username_field_->SetText(username);
 106     password_field_->SetText(password);
 107     username_field_->SelectAll(true);
 108   }
 109 }
 110
 111 void LoginView::OnLoginModelDestroying() {
 112   login_model_->RemoveObserver(this);
 113   login_model_ = NULL;
 114 }