chrome/browser/ui/views/uninstall_view.cc - chromium/src - Git at Google

 // 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/shell_integration.h"
 #include "chrome/browser/ui/uninstall_browser_prompt.h"
 #include "chrome/browser/ui/views/chrome_layout_provider.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/installer/util/shell_util.h"
 #include "components/keep_alive_registry/keep_alive_types.h"
 #include "components/keep_alive_registry/scoped_keep_alive.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/layout/grid_layout.h"
 #include "ui/views/widget/widget.h"

 UninstallView::UninstallView(int* user_selection,
                              const base::Closure& quit_closure)
     : confirm_label_(NULL),
       delete_profile_(NULL),
       change_default_browser_(NULL),
       browsers_combo_(NULL),
       user_selection_(*user_selection),
       quit_closure_(quit_closure) {
   set_margins(ChromeLayoutProvider::Get()->GetDialogInsetsForContentType(
       views::TEXT, views::TEXT));
   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;

   views::GridLayout* layout =
       SetLayoutManager(std::make_unique<views::GridLayout>(this));

   // Message to confirm uninstallation.
   int column_set_id = 0;
   ColumnSet* column_set = layout->AddColumnSet(column_set_id);
   column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
                         views::GridLayout::kFixedSize,
                         views::GridLayout::USE_PREF, 0, 0);
   layout->StartRow(views::GridLayout::kFixedSize, column_set_id);
   confirm_label_ = new views::Label(
       l10n_util::GetStringUTF16(IDS_UNINSTALL_VERIFY));
   confirm_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
   layout->AddView(confirm_label_);

   ChromeLayoutProvider* provider = ChromeLayoutProvider::Get();

   const int checkbox_indent = provider->GetDistanceMetric(
       DISTANCE_SUBSECTION_HORIZONTAL_INDENT);
   const int unrelated_vertical_spacing =
       provider->GetDistanceMetric(views::DISTANCE_UNRELATED_CONTROL_VERTICAL);
   const int related_vertical_spacing = provider->GetDistanceMetric(
       views::DISTANCE_RELATED_CONTROL_VERTICAL);
   const int related_horizontal_spacing = provider->GetDistanceMetric(
       views::DISTANCE_RELATED_CONTROL_HORIZONTAL);
   const int related_vertical_small = provider->GetDistanceMetric(
       DISTANCE_RELATED_CONTROL_VERTICAL_SMALL);

   layout->AddPaddingRow(views::GridLayout::kFixedSize,
                         unrelated_vertical_spacing);

   // The "delete profile" check box.
   ++column_set_id;
   column_set = layout->AddColumnSet(column_set_id);
   column_set->AddPaddingColumn(views::GridLayout::kFixedSize, checkbox_indent);
   column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
                         views::GridLayout::kFixedSize,
                         views::GridLayout::USE_PREF, 0, 0);
   layout->StartRow(views::GridLayout::kFixedSize, 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).
   if (ShellUtil::CanMakeChromeDefaultUnattended() &&
       shell_integration::GetDefaultBrowser() == shell_integration::IS_DEFAULT) {
     browsers_.reset(new BrowsersMap());
     ShellUtil::GetRegisteredBrowsers(browsers_.get());
     if (!browsers_->empty()) {
       layout->AddPaddingRow(views::GridLayout::kFixedSize,
                             related_vertical_spacing);

       ++column_set_id;
       column_set = layout->AddColumnSet(column_set_id);
       column_set->AddPaddingColumn(views::GridLayout::kFixedSize,
                                    checkbox_indent);
       column_set->AddColumn(
           views::GridLayout::LEADING, views::GridLayout::CENTER,
           views::GridLayout::kFixedSize, views::GridLayout::USE_PREF, 0, 0);
       column_set->AddPaddingColumn(views::GridLayout::kFixedSize,
                                    related_horizontal_spacing);
       column_set->AddColumn(
           views::GridLayout::LEADING, views::GridLayout::CENTER,
           views::GridLayout::kFixedSize, views::GridLayout::USE_PREF, 0, 0);
       layout->StartRow(views::GridLayout::kFixedSize, column_set_id);
       change_default_browser_ = new views::Checkbox(
           l10n_util::GetStringUTF16(IDS_UNINSTALL_SET_DEFAULT_BROWSER), this);
       layout->AddView(change_default_browser_);
       browsers_combo_ = new views::Combobox(this);
       layout->AddView(browsers_combo_);
       browsers_combo_->SetEnabled(false);
     }
   }

   layout->AddPaddingRow(views::GridLayout::kFixedSize, related_vertical_small);
 }

 bool UninstallView::Accept() {
   user_selection_ = service_manager::RESULT_CODE_NORMAL_EXIT;
   if (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);
   }
   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() {
   DCHECK(base::MessageLoopForUI::IsCurrent());
   int result = service_manager::RESULT_CODE_NORMAL_EXIT;

   // Register a KeepAlive while showing the dialog. This is done because the
   // dialog uses the views framework which may take and release a KeepAlive
   // during the course of displaying UI and this code can be called while
   // there is no registered KeepAlive.
   // 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.
   new ScopedKeepAlive(KeepAliveOrigin::LEAKED_UNINSTALL_VIEW,
                       KeepAliveRestartOption::DISABLED);

   base::RunLoop run_loop;
   UninstallView* view = new UninstallView(&result,
                                           run_loop.QuitClosure());
   views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
   run_loop.Run();
   return result;
 }

 }  // namespace chrome
	// 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/shell_integration.h"
	#include "chrome/browser/ui/uninstall_browser_prompt.h"
	#include "chrome/browser/ui/views/chrome_layout_provider.h"
	#include "chrome/common/chrome_result_codes.h"
	#include "chrome/grit/chromium_strings.h"
	#include "chrome/installer/util/shell_util.h"
	#include "components/keep_alive_registry/keep_alive_types.h"
	#include "components/keep_alive_registry/scoped_keep_alive.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/layout/grid_layout.h"
	#include "ui/views/widget/widget.h"

	UninstallView::UninstallView(int* user_selection,
	const base::Closure& quit_closure)
	: confirm_label_(NULL),
	delete_profile_(NULL),
	change_default_browser_(NULL),
	browsers_combo_(NULL),
	user_selection_(*user_selection),
	quit_closure_(quit_closure) {
	set_margins(ChromeLayoutProvider::Get()->GetDialogInsetsForContentType(
	views::TEXT, views::TEXT));
	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;

	views::GridLayout* layout =
	SetLayoutManager(std::make_unique<views::GridLayout>(this));

	// Message to confirm uninstallation.
	int column_set_id = 0;
	ColumnSet* column_set = layout->AddColumnSet(column_set_id);
	column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
	views::GridLayout::kFixedSize,
	views::GridLayout::USE_PREF, 0, 0);
	layout->StartRow(views::GridLayout::kFixedSize, column_set_id);
	confirm_label_ = new views::Label(
	l10n_util::GetStringUTF16(IDS_UNINSTALL_VERIFY));
	confirm_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
	layout->AddView(confirm_label_);

	ChromeLayoutProvider* provider = ChromeLayoutProvider::Get();

	const int checkbox_indent = provider->GetDistanceMetric(
	DISTANCE_SUBSECTION_HORIZONTAL_INDENT);
	const int unrelated_vertical_spacing =
	provider->GetDistanceMetric(views::DISTANCE_UNRELATED_CONTROL_VERTICAL);
	const int related_vertical_spacing = provider->GetDistanceMetric(
	views::DISTANCE_RELATED_CONTROL_VERTICAL);
	const int related_horizontal_spacing = provider->GetDistanceMetric(
	views::DISTANCE_RELATED_CONTROL_HORIZONTAL);
	const int related_vertical_small = provider->GetDistanceMetric(
	DISTANCE_RELATED_CONTROL_VERTICAL_SMALL);

	layout->AddPaddingRow(views::GridLayout::kFixedSize,
	unrelated_vertical_spacing);

	// The "delete profile" check box.
	++column_set_id;
	column_set = layout->AddColumnSet(column_set_id);
	column_set->AddPaddingColumn(views::GridLayout::kFixedSize, checkbox_indent);
	column_set->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
	views::GridLayout::kFixedSize,
	views::GridLayout::USE_PREF, 0, 0);
	layout->StartRow(views::GridLayout::kFixedSize, 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).
	if (ShellUtil::CanMakeChromeDefaultUnattended() &&
	shell_integration::GetDefaultBrowser() == shell_integration::IS_DEFAULT) {
	browsers_.reset(new BrowsersMap());
	ShellUtil::GetRegisteredBrowsers(browsers_.get());
	if (!browsers_->empty()) {
	layout->AddPaddingRow(views::GridLayout::kFixedSize,
	related_vertical_spacing);

	++column_set_id;
	column_set = layout->AddColumnSet(column_set_id);
	column_set->AddPaddingColumn(views::GridLayout::kFixedSize,
	checkbox_indent);
	column_set->AddColumn(
	views::GridLayout::LEADING, views::GridLayout::CENTER,
	views::GridLayout::kFixedSize, views::GridLayout::USE_PREF, 0, 0);
	column_set->AddPaddingColumn(views::GridLayout::kFixedSize,
	related_horizontal_spacing);
	column_set->AddColumn(
	views::GridLayout::LEADING, views::GridLayout::CENTER,
	views::GridLayout::kFixedSize, views::GridLayout::USE_PREF, 0, 0);
	layout->StartRow(views::GridLayout::kFixedSize, column_set_id);
	change_default_browser_ = new views::Checkbox(
	l10n_util::GetStringUTF16(IDS_UNINSTALL_SET_DEFAULT_BROWSER), this);
	layout->AddView(change_default_browser_);
	browsers_combo_ = new views::Combobox(this);
	layout->AddView(browsers_combo_);
	browsers_combo_->SetEnabled(false);
	}
	}

	layout->AddPaddingRow(views::GridLayout::kFixedSize, related_vertical_small);
	}

	bool UninstallView::Accept() {
	user_selection_ = service_manager::RESULT_CODE_NORMAL_EXIT;
	if (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);
	}
	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() {
	DCHECK(base::MessageLoopForUI::IsCurrent());
	int result = service_manager::RESULT_CODE_NORMAL_EXIT;

	// Register a KeepAlive while showing the dialog. This is done because the
	// dialog uses the views framework which may take and release a KeepAlive
	// during the course of displaying UI and this code can be called while
	// there is no registered KeepAlive.
	// 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.
	new ScopedKeepAlive(KeepAliveOrigin::LEAKED_UNINSTALL_VIEW,
	KeepAliveRestartOption::DISABLED);

	base::RunLoop run_loop;
	UninstallView* view = new UninstallView(&result,
	run_loop.QuitClosure());
	views::DialogDelegate::CreateDialogWidget(view, NULL, NULL)->Show();
	run_loop.Run();
	return result;
	}

	} // namespace chrome