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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/uninstall_view.h"
#include "base/message_loop/message_loop.h"
#include "base/process/launch.h"
#include "base/run_loop.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/shell_integration.h"
#include "chrome/browser/ui/uninstall_browser_prompt.h"
#include "chrome/common/chrome_result_codes.h"
#include "chrome/installer/util/browser_distribution.h"
#include "chrome/installer/util/shell_util.h"
#include "grit/chromium_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/views/controls/button/checkbox.h"
#include "ui/views/controls/combobox/combobox.h"
#include "ui/views/controls/label.h"
#include "ui/views/focus/accelerator_handler.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/layout/layout_constants.h"
#include "ui/views/widget/widget.h"
UninstallView::UninstallView(int* user_selection,
const base::Closure& quit_closure,
bool show_delete_profile)
: confirm_label_(NULL),
show_delete_profile_(show_delete_profile),
delete_profile_(NULL),
change_default_browser_(NULL),
browsers_combo_(NULL),
user_selection_(*user_selection),
quit_closure_(quit_closure) {
SetupControls();
}
UninstallView::~UninstallView() {
// Exit the message loop we were started with so that uninstall can continue.
quit_closure_.Run();
// Delete Combobox as it holds a reference to us.
delete browsers_combo_;
}
void UninstallView::SetupControls() {
using views::ColumnSet;
using views::GridLayout;
GridLayout* layout = GridLayout::CreatePanel(this);
SetLayoutManager(layout);
// Message to confirm uninstallation.
int column_set_id = 0;
ColumnSet* column_set = layout->AddColumnSet(column_set_id);
column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, column_set_id);
confirm_label_ = new views::Label(
l10n_util::GetStringUTF16(IDS_UNINSTALL_VERIFY));
confirm_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
layout->AddView(confirm_label_);
layout->AddPaddingRow(0, views::kUnrelatedControlVerticalSpacing);
// The "delete profile" check box.
if (show_delete_profile_) {
++column_set_id;
column_set = layout->AddColumnSet(column_set_id);
column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, column_set_id);
delete_profile_ = new views::Checkbox(
l10n_util::GetStringUTF16(IDS_UNINSTALL_DELETE_PROFILE));
layout->AddView(delete_profile_);
}
// Set default browser combo box. If the default should not or cannot be
// changed, widgets are not shown. We assume here that if Chrome cannot
// be set programatically as default, neither can any other browser (for
// instance because the OS doesn't permit that).
BrowserDistribution* dist = BrowserDistribution::GetDistribution();
if (dist->GetDefaultBrowserControlPolicy() !=
BrowserDistribution::DEFAULT_BROWSER_UNSUPPORTED &&
ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT &&
(ShellIntegration::CanSetAsDefaultBrowser() !=
ShellIntegration::SET_DEFAULT_INTERACTIVE)) {
browsers_.reset(new BrowsersMap());
ShellUtil::GetRegisteredBrowsers(dist, browsers_.get());
if (!browsers_->empty()) {
layout->AddPaddingRow(0, views::kRelatedControlVerticalSpacing);
++column_set_id;
column_set = layout->AddColumnSet(column_set_id);
column_set->AddPaddingColumn(0, views::kPanelHorizIndentation);
column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
column_set->AddPaddingColumn(0, views::kRelatedControlHorizontalSpacing);
column_set->AddColumn(GridLayout::LEADING, GridLayout::CENTER, 0,
GridLayout::USE_PREF, 0, 0);
layout->StartRow(0, column_set_id);
change_default_browser_ = new views::Checkbox(
l10n_util::GetStringUTF16(IDS_UNINSTALL_SET_DEFAULT_BROWSER));
change_default_browser_->set_listener(this);
layout->AddView(change_default_browser_);
browsers_combo_ = new views::Combobox(this);
layout->AddView(browsers_combo_);
browsers_combo_->SetEnabled(false);
}
}
layout->AddPaddingRow(0, views::kRelatedControlSmallVerticalSpacing);
}
bool UninstallView::Accept() {
user_selection_ = content::RESULT_CODE_NORMAL_EXIT;
if (show_delete_profile_ && delete_profile_->checked())
user_selection_ = chrome::RESULT_CODE_UNINSTALL_DELETE_PROFILE;
if (change_default_browser_ && change_default_browser_->checked()) {
BrowsersMap::const_iterator i = browsers_->begin();
std::advance(i, browsers_combo_->selected_index());
base::LaunchOptions options;
options.start_hidden = true;
base::LaunchProcess(i->second, options, NULL);
}
return true;
}
bool UninstallView::Cancel() {
user_selection_ = chrome::RESULT_CODE_UNINSTALL_USER_CANCEL;
return true;
}
base::string16 UninstallView::GetDialogButtonLabel(
ui::DialogButton button) const {
// Label the OK button 'Uninstall'; Cancel remains the same.
if (button == ui::DIALOG_BUTTON_OK)
return l10n_util::GetStringUTF16(IDS_UNINSTALL_BUTTON_TEXT);
return views::DialogDelegateView::GetDialogButtonLabel(button);
}
void UninstallView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
if (change_default_browser_ == sender) {
// Disable the browsers combobox if the user unchecks the checkbox.
DCHECK(browsers_combo_);
browsers_combo_->SetEnabled(change_default_browser_->checked());
}
}
base::string16 UninstallView::GetWindowTitle() const {
return l10n_util::GetStringUTF16(IDS_UNINSTALL_CHROME);
}
int UninstallView::GetItemCount() const {
DCHECK(!browsers_->empty());
return browsers_->size();
}
base::string16 UninstallView::GetItemAt(int index) {
DCHECK_LT(index, static_cast<int>(browsers_->size()));
BrowsersMap::const_iterator i = browsers_->begin();
std::advance(i, index);
return i->first;
}
namespace chrome {
int ShowUninstallBrowserPrompt(bool show_delete_profile) {
DCHECK_EQ(base::MessageLoop::TYPE_UI, base::MessageLoop::current()->type());
int result = content::RESULT_CODE_NORMAL_EXIT;
views::AcceleratorHandler accelerator_handler;
// Take a reference on g_browser_process while showing the dialog. This is
// done because the dialog uses the views framework which may increment
// and decrement the module ref count during the course of displaying UI and
// this code can be called while the module refcount is still at 0.
// Note that this reference is never released, as this code is shown on a path
// that immediately exits Chrome anyway.
// See http://crbug.com/241366 for details.
g_browser_process->AddRefModule();
base::RunLoop run_loop(&accelerator_handler);
UninstallView* view = new UninstallView(&result,
run_loop.QuitClosure(),
show_delete_profile);
views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
run_loop.Run();
return result;
}
} // namespace chrome
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