chrome/browser/ui/views/uninstall_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/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/grit/chromium_strings.h"
  15 #include "chrome/installer/util/browser_distribution.h"
  16 #include "chrome/installer/util/shell_util.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
  25 UninstallView::UninstallView(int* user_selection,
  26                              const base::Closure& quit_closure)
  27     : confirm_label_(NULL),
  28       delete_profile_(NULL),
  29       change_default_browser_(NULL),
  30       browsers_combo_(NULL),
  31       user_selection_(*user_selection),
  32       quit_closure_(quit_closure) {
  33   SetupControls();
  34 }
  35
  36 UninstallView::~UninstallView() {
  37   // Exit the message loop we were started with so that uninstall can continue.
  38   quit_closure_.Run();
  39
  40   // Delete Combobox as it holds a reference to us.
  41   delete browsers_combo_;
  42 }
  43
  44 void UninstallView::SetupControls() {
  45   using views::ColumnSet;
  46   using views::GridLayout;
  47
  48   GridLayout* layout = GridLayout::CreatePanel(this);
  49   SetLayoutManager(layout);
  50
  51   // Message to confirm uninstallation.
  52   int column_set_id = 0;
  53   ColumnSet* column_set = layout->AddColumnSet(column_set_id);
  54   column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  55                         GridLayout::USE_PREF, 0, 0);
  56   layout->StartRow(0, column_set_id);
  57   confirm_label_ = new views::Label(
  58       l10n_util::GetStringUTF16(IDS_UNINSTALL_VERIFY));
  59   confirm_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  60   layout->AddView(confirm_label_);
  61
  62   layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
  63
  64   // The "delete profile" check box.
  65   ++column_set_id;
  66   column_set = layout->AddColumnSet(column_set_id);
  67   column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
  68   column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  69                         GridLayout::USE_PREF, 0, 0);
  70   layout->StartRow(0, column_set_id);
  71   delete_profile_ = new views::Checkbox(
  72       l10n_util::GetStringUTF16(IDS_UNINSTALL_DELETE_PROFILE));
  73   layout->AddView(delete_profile_);
  74
  75   // Set default browser combo box. If the default should not or cannot be
  76   // changed, widgets are not shown. We assume here that if Chrome cannot
  77   // be set programatically as default, neither can any other browser (for
  78   // instance because the OS doesn't permit that).
  79   BrowserDistribution* dist = BrowserDistribution::GetDistribution();
  80   if (dist->GetDefaultBrowserControlPolicy() !=
  81           BrowserDistribution::DEFAULT_BROWSER_UNSUPPORTED &&
  82       ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT &&
  83       (ShellIntegration::CanSetAsDefaultBrowser() !=
  84           ShellIntegration::SET_DEFAULT_INTERACTIVE)) {
  85     browsers_.reset(new BrowsersMap());
  86     ShellUtil::GetRegisteredBrowsers(dist, browsers_.get());
  87     if (!browsers_->empty()) {
  88       layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
  89
  90       ++column_set_id;
  91       column_set = layout->AddColumnSet(column_set_id);
  92       column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
  93       column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  94                             GridLayout::USE_PREF, 0, 0);
  95       column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
  96       column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
  97                             GridLayout::USE_PREF, 0, 0);
  98       layout->StartRow(0, column_set_id);
  99       change_default_browser_ = new views::Checkbox(
 100           l10n_util::GetStringUTF16(IDS_UNINSTALL_SET_DEFAULT_BROWSER));
 101       change_default_browser_->set_listener(this);
 102       layout->AddView(change_default_browser_);
 103       browsers_combo_ = new views::Combobox(this);
 104       layout->AddView(browsers_combo_);
 105       browsers_combo_->SetEnabled(false);
 106     }
 107   }
 108
 109   layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing);
 110 }
 111
 112 bool UninstallView::Accept() {
 113   user_selection_ = content::RESULT_CODE_NORMAL_EXIT;
 114   if (delete_profile_->checked())
 115     user_selection_ = chrome::RESULT_CODE_UNINSTALL_DELETE_PROFILE;
 116   if (change_default_browser_ && change_default_browser_->checked()) {
 117     BrowsersMap::const_iterator i = browsers_->begin();
 118     std::advance(i, browsers_combo_->selected_index());
 119     base::LaunchOptions options;
 120     options.start_hidden = true;
 121     base::LaunchProcess(i->second, options);
 122   }
 123   return true;
 124 }
 125
 126 bool UninstallView::Cancel() {
 127   user_selection_ = chrome::RESULT_CODE_UNINSTALL_USER_CANCEL;
 128   return true;
 129 }
 130
 131 base::string16 UninstallView::GetDialogButtonLabel(
 132     ui::DialogButton button) const {
 133   // Label the OK button 'Uninstall'; Cancel remains the same.
 134   if (button == ui::DIALOG_BUTTON_OK)
 135     return l10n_util::GetStringUTF16(IDS_UNINSTALL_BUTTON_TEXT);
 136   return views::DialogDelegateView::GetDialogButtonLabel(button);
 137 }
 138
 139 void UninstallView::ButtonPressed(views::Button* sender,
 140                                   const ui::Event& event) {
 141   if (change_default_browser_ == sender) {
 142     // Disable the browsers combobox if the user unchecks the checkbox.
 143     DCHECK(browsers_combo_);
 144     browsers_combo_->SetEnabled(change_default_browser_->checked());
 145   }
 146 }
 147
 148 base::string16 UninstallView::GetWindowTitle() const {
 149   return l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME);
 150 }
 151
 152 int UninstallView::GetItemCount() const {
 153   DCHECK(!browsers_->empty());
 154   return browsers_->size();
 155 }
 156
 157 base::string16 UninstallView::GetItemAt(int index) {
 158   DCHECK_LT(index, static_cast<int>(browsers_->size()));
 159   BrowsersMap::const_iterator i = browsers_->begin();
 160   std::advance(i, index);
 161   return i->first;
 162 }
 163
 164 namespace chrome {
 165
 166 int ShowUninstallBrowserPrompt() {
 167   DCHECK(base::MessageLoopForUI::IsCurrent());
 168   int result = content::RESULT_CODE_NORMAL_EXIT;
 169
 170   // Take a reference on g_browser_process while showing the dialog. This is
 171   // done because the dialog uses the views framework which may increment
 172   // and decrement the module ref count during the course of displaying UI and
 173   // this code can be called while the module refcount is still at 0.
 174   // Note that this reference is never released, as this code is shown on a path
 175   // that immediately exits Chrome anyway.
 176   // See http://crbug.com/241366 for details.
 177   g_browser_process->AddRefModule();
 178
 179   base::RunLoop run_loop;
 180   UninstallView* view = new UninstallView(&result,
 181                                           run_loop.QuitClosure());
 182   views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
 183   run_loop.Run();
 184   return result;
 185 }
 186
 187 }  // namespace chrome