login_view.cc revision 9ab5563a3196760eb381d102cbb2bc0f7abc6a50 
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 <string>
8
9#include "base/compiler_specific.h"
10#include "base/message_loop/message_loop.h"
11#include "base/strings/utf_string_conversions.h"
12#include "grit/generated_resources.h"
13#include "ui/base/l10n/l10n_util.h"
14#include "ui/views/controls/label.h"
15#include "ui/views/controls/textfield/textfield.h"
16#include "ui/views/layout/grid_layout.h"
17#include "ui/views/layout/layout_constants.h"
18#include "ui/views/widget/root_view.h"
19
20static const int kMessageWidth = 320;
21static const int kTextfieldStackHorizontalSpacing = 30;
22
23using views::GridLayout;
24
25///////////////////////////////////////////////////////////////////////////////
26// LoginView, public:
27
28LoginView::LoginView(const string16& explanation,
29                     LoginModel* model)
30    : username_field_(new views::Textfield),
31      password_field_(new views::Textfield(views::Textfield::STYLE_OBSCURED)),
32      username_label_(new views::Label(
33          l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_USERNAME_FIELD))),
34      password_label_(new views::Label(
35          l10n_util::GetStringUTF16(IDS_LOGIN_DIALOG_PASSWORD_FIELD))),
36      message_label_(new views::Label(explanation)),
37      login_model_(model) {
38  message_label_->SetMultiLine(true);
39  message_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
40  message_label_->SetAllowCharacterBreak(true);
41
42  // Initialize the Grid Layout Manager used for this dialog box.
43  GridLayout* layout = GridLayout::CreatePanel(this);
44  SetLayoutManager(layout);
45
46  // Add the column set for the information message at the top of the dialog
47  // box.
48  const int single_column_view_set_id = 0;
49  views::ColumnSet* column_set =
50      layout->AddColumnSet(single_column_view_set_id);
51  column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
52                        GridLayout::FIXED, kMessageWidth, 0);
53
54  // Add the column set for the user name and password fields and labels.
55  const int labels_column_set_id = 1;
56  column_set = layout->AddColumnSet(labels_column_set_id);
57  column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
58  column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
59                        GridLayout::USE_PREF, 0, 0);
60  column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
61  column_set->AddColumn(GridLayout::FILL, GridLayout::CENTER, 1,
62                        GridLayout::USE_PREF, 0, 0);
63  column_set->AddPaddingColumn(0, kTextfieldStackHorizontalSpacing);
64
65  layout->StartRow(0, single_column_view_set_id);
66  layout->AddView(message_label_);
67
68  layout->AddPaddingRow(0, views::kUnrelatedControlLargeVerticalSpacing);
69
70  layout->StartRow(0, labels_column_set_id);
71  layout->AddView(username_label_);
72  layout->AddView(username_field_);
73
74  layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
75
76  layout->StartRow(0, labels_column_set_id);
77  layout->AddView(password_label_);
78  layout->AddView(password_field_);
79
80  layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
81
82  if (login_model_)
83    login_model_->AddObserver(this);
84}
85
86LoginView::~LoginView() {
87  if (login_model_)
88    login_model_->RemoveObserver(this);
89}
90
91string16 LoginView::GetUsername() {
92  return username_field_->text();
93}
94
95string16 LoginView::GetPassword() {
96  return password_field_->text();
97}
98
99views::View* LoginView::GetInitiallyFocusedView() {
100  return username_field_;
101}
102
103///////////////////////////////////////////////////////////////////////////////
104// LoginView, views::View, views::LoginModelObserver overrides:
105
106void LoginView::OnAutofillDataAvailable(const string16& username,
107                                        const string16& password) {
108  if (username_field_->text().empty()) {
109    username_field_->SetText(username);
110    password_field_->SetText(password);
111    username_field_->SelectAll(true);
112  }
113}
114
115void LoginView::OnLoginModelDestroying() {
116  login_model_->RemoveObserver(this);
117  login_model_ = NULL;
118}
119