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/uninstall_view.h"
6
7 #include "base/message_loop/message_loop.h"
8 #include "base/process/launch.h"
9 #include "base/run_loop.h"
10 #include "chrome/browser/browser_process.h"
11 #include "chrome/browser/shell_integration.h"
12 #include "chrome/browser/ui/uninstall_browser_prompt.h"
13 #include "chrome/common/chrome_result_codes.h"
14 #include "chrome/installer/util/browser_distribution.h"
15 #include "chrome/installer/util/shell_util.h"
16 #include "grit/chromium_strings.h"
17 #include "ui/base/l10n/l10n_util.h"
18 #include "ui/views/controls/button/checkbox.h"
19 #include "ui/views/controls/combobox/combobox.h"
20 #include "ui/views/controls/label.h"
21 #include "ui/views/layout/grid_layout.h"
22 #include "ui/views/layout/layout_constants.h"
23 #include "ui/views/widget/widget.h"
24
UninstallView(int * user_selection,const base::Closure & quit_closure,bool show_delete_profile)25 UninstallView::UninstallView(int* user_selection,
26 const base::Closure& quit_closure,
27 bool show_delete_profile)
28 : confirm_label_(NULL),
29 show_delete_profile_(show_delete_profile),
30 delete_profile_(NULL),
31 change_default_browser_(NULL),
32 browsers_combo_(NULL),
33 user_selection_(*user_selection),
34 quit_closure_(quit_closure) {
35 SetupControls();
36 }
37
~UninstallView()38 UninstallView::~UninstallView() {
39 // Exit the message loop we were started with so that uninstall can continue.
40 quit_closure_.Run();
41
42 // Delete Combobox as it holds a reference to us.
43 delete browsers_combo_;
44 }
45
SetupControls()46 void UninstallView::SetupControls() {
47 using views::ColumnSet;
48 using views::GridLayout;
49
50 GridLayout* layout = GridLayout::CreatePanel(this);
51 SetLayoutManager(layout);
52
53 // Message to confirm uninstallation.
54 int column_set_id = 0;
55 ColumnSet* column_set = layout->AddColumnSet(column_set_id);
56 column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
57 GridLayout::USE_PREF, 0, 0);
58 layout->StartRow(0, column_set_id);
59 confirm_label_ = new views::Label(
60 l10n_util::GetStringUTF16(IDS_UNINSTALL_VERIFY));
61 confirm_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
62 layout->AddView(confirm_label_);
63
64 layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
65
66 // The "delete profile" check box.
67 if (show_delete_profile_) {
68 ++column_set_id;
69 column_set = layout->AddColumnSet(column_set_id);
70 column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
71 column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
72 GridLayout::USE_PREF, 0, 0);
73 layout->StartRow(0, column_set_id);
74 delete_profile_ = new views::Checkbox(
75 l10n_util::GetStringUTF16(IDS_UNINSTALL_DELETE_PROFILE));
76 layout->AddView(delete_profile_);
77 }
78
79 // Set default browser combo box. If the default should not or cannot be
80 // changed, widgets are not shown. We assume here that if Chrome cannot
81 // be set programatically as default, neither can any other browser (for
82 // instance because the OS doesn't permit that).
83 BrowserDistribution* dist = BrowserDistribution::GetDistribution();
84 if (dist->GetDefaultBrowserControlPolicy() !=
85 BrowserDistribution::DEFAULT_BROWSER_UNSUPPORTED &&
86 ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT &&
87 (ShellIntegration::CanSetAsDefaultBrowser() !=
88 ShellIntegration::SET_DEFAULT_INTERACTIVE)) {
89 browsers_.reset(new BrowsersMap());
90 ShellUtil::GetRegisteredBrowsers(dist, browsers_.get());
91 if (!browsers_->empty()) {
92 layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
93
94 ++column_set_id;
95 column_set = layout->AddColumnSet(column_set_id);
96 column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
97 column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
98 GridLayout::USE_PREF, 0, 0);
99 column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
100 column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
101 GridLayout::USE_PREF, 0, 0);
102 layout->StartRow(0, column_set_id);
103 change_default_browser_ = new views::Checkbox(
104 l10n_util::GetStringUTF16(IDS_UNINSTALL_SET_DEFAULT_BROWSER));
105 change_default_browser_->set_listener(this);
106 layout->AddView(change_default_browser_);
107 browsers_combo_ = new views::Combobox(this);
108 layout->AddView(browsers_combo_);
109 browsers_combo_->SetEnabled(false);
110 }
111 }
112
113 layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing);
114 }
115
Accept()116 bool UninstallView::Accept() {
117 user_selection_ = content::RESULT_CODE_NORMAL_EXIT;
118 if (show_delete_profile_ && delete_profile_->checked())
119 user_selection_ = chrome::RESULT_CODE_UNINSTALL_DELETE_PROFILE;
120 if (change_default_browser_ && change_default_browser_->checked()) {
121 BrowsersMap::const_iterator i = browsers_->begin();
122 std::advance(i, browsers_combo_->selected_index());
123 base::LaunchOptions options;
124 options.start_hidden = true;
125 base::LaunchProcess(i->second, options, NULL);
126 }
127 return true;
128 }
129
Cancel()130 bool UninstallView::Cancel() {
131 user_selection_ = chrome::RESULT_CODE_UNINSTALL_USER_CANCEL;
132 return true;
133 }
134
GetDialogButtonLabel(ui::DialogButton button) const135 base::string16 UninstallView::GetDialogButtonLabel(
136 ui::DialogButton button) const {
137 // Label the OK button 'Uninstall'; Cancel remains the same.
138 if (button == ui::DIALOG_BUTTON_OK)
139 return l10n_util::GetStringUTF16(IDS_UNINSTALL_BUTTON_TEXT);
140 return views::DialogDelegateView::GetDialogButtonLabel(button);
141 }
142
ButtonPressed(views::Button * sender,const ui::Event & event)143 void UninstallView::ButtonPressed(views::Button* sender,
144 const ui::Event& event) {
145 if (change_default_browser_ == sender) {
146 // Disable the browsers combobox if the user unchecks the checkbox.
147 DCHECK(browsers_combo_);
148 browsers_combo_->SetEnabled(change_default_browser_->checked());
149 }
150 }
151
GetWindowTitle() const152 base::string16 UninstallView::GetWindowTitle() const {
153 return l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME);
154 }
155
GetItemCount() const156 int UninstallView::GetItemCount() const {
157 DCHECK(!browsers_->empty());
158 return browsers_->size();
159 }
160
GetItemAt(int index)161 base::string16 UninstallView::GetItemAt(int index) {
162 DCHECK_LT(index, static_cast<int>(browsers_->size()));
163 BrowsersMap::const_iterator i = browsers_->begin();
164 std::advance(i, index);
165 return i->first;
166 }
167
168 namespace chrome {
169
ShowUninstallBrowserPrompt(bool show_delete_profile)170 int ShowUninstallBrowserPrompt(bool show_delete_profile) {
171 DCHECK(base::MessageLoopForUI::IsCurrent());
172 int result = content::RESULT_CODE_NORMAL_EXIT;
173
174 // Take a reference on g_browser_process while showing the dialog. This is
175 // done because the dialog uses the views framework which may increment
176 // and decrement the module ref count during the course of displaying UI and
177 // this code can be called while the module refcount is still at 0.
178 // Note that this reference is never released, as this code is shown on a path
179 // that immediately exits Chrome anyway.
180 // See http://crbug.com/241366 for details.
181 g_browser_process->AddRefModule();
182
183 base::RunLoop run_loop;
184 UninstallView* view = new UninstallView(&result,
185 run_loop.QuitClosure(),
186 show_delete_profile);
187 views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
188 run_loop.Run();
189 return result;
190 }
191
192 } // namespace chrome
193