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 "chrome/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
14static const int kMessageWidth = 320;
15static const int kTextfieldStackHorizontalSpacing = 30;
16
17using password_manager::LoginModel;
18using views::GridLayout;
19
20///////////////////////////////////////////////////////////////////////////////
21// LoginView, public:
22
23LoginView::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
82LoginView::~LoginView() {
83  if (login_model_)
84    login_model_->RemoveObserver(this);
85}
86
87const base::string16& LoginView::GetUsername() const {
88  return username_field_->text();
89}
90
91const base::string16& LoginView::GetPassword() const {
92  return password_field_->text();
93}
94
95views::View* LoginView::GetInitiallyFocusedView() {
96  return username_field_;
97}
98
99///////////////////////////////////////////////////////////////////////////////
100// LoginView, views::View, password_manager::LoginModelObserver overrides:
101
102void 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
111void LoginView::OnLoginModelDestroying() {
112  login_model_->RemoveObserver(this);
113  login_model_ = NULL;
114}
115