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
20 static const int kMessageWidth = 320;
21 static const int kTextfieldStackHorizontalSpacing = 30;
22
23 using views::GridLayout;
24
25 ///////////////////////////////////////////////////////////////////////////////
26 // LoginView, public:
27
LoginView(const base::string16 & explanation,LoginModel * model)28 LoginView::LoginView(const base::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
~LoginView()86 LoginView::~LoginView() {
87 if (login_model_)
88 login_model_->RemoveObserver(this);
89 }
90
GetUsername()91 base::string16 LoginView::GetUsername() {
92 return username_field_->text();
93 }
94
GetPassword()95 base::string16 LoginView::GetPassword() {
96 return password_field_->text();
97 }
98
GetInitiallyFocusedView()99 views::View* LoginView::GetInitiallyFocusedView() {
100 return username_field_;
101 }
102
103 ///////////////////////////////////////////////////////////////////////////////
104 // LoginView, views::View, views::LoginModelObserver overrides:
105
OnAutofillDataAvailable(const base::string16 & username,const base::string16 & password)106 void LoginView::OnAutofillDataAvailable(const base::string16& username,
107 const base::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
OnLoginModelDestroying()115 void LoginView::OnLoginModelDestroying() {
116 login_model_->RemoveObserver(this);
117 login_model_ = NULL;
118 }
119