blob: deef79b40cdc36b01bc078dcdc60dd621ccbe814 [file] [log] [blame]
// Copyright 2017 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 "ash/shelf/login_shelf_view.h"
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include "ash/focus_cycler.h"
#include "ash/lock_screen_action/lock_screen_action_background_controller.h"
#include "ash/lock_screen_action/lock_screen_action_background_state.h"
#include "ash/login/login_screen_controller.h"
#include "ash/login/ui/lock_screen.h"
#include "ash/public/cpp/ash_constants.h"
#include "ash/public/cpp/login_constants.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_constants.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/shutdown_controller.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/status_area_widget_delegate.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/tray/tray_popup_utils.h"
#include "ash/tray_action/tray_action.h"
#include "ash/wm/lock_state_controller.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/metrics/user_metrics.h"
#include "chromeos/strings/grit/chromeos_strings.h"
#include "skia/ext/image_operations.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/menu_model.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/gfx/vector_icon_types.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/animation/ink_drop_impl.h"
#include "ui/views/animation/ink_drop_mask.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/controls/menu/menu_types.h"
#include "ui/views/focus/focus_search.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/widget.h"
using session_manager::SessionState;
namespace ash {
namespace {
const char* kLoginShelfButtonClassName = "LoginShelfButton";
LoginMetricsRecorder::ShelfButtonClickTarget GetUserClickTarget(int button_id) {
switch (button_id) {
case LoginShelfView::kShutdown:
return LoginMetricsRecorder::ShelfButtonClickTarget::kShutDownButton;
case LoginShelfView::kRestart:
return LoginMetricsRecorder::ShelfButtonClickTarget::kRestartButton;
case LoginShelfView::kSignOut:
return LoginMetricsRecorder::ShelfButtonClickTarget::kSignOutButton;
case LoginShelfView::kCloseNote:
return LoginMetricsRecorder::ShelfButtonClickTarget::kCloseNoteButton;
case LoginShelfView::kBrowseAsGuest:
return LoginMetricsRecorder::ShelfButtonClickTarget::kBrowseAsGuestButton;
case LoginShelfView::kAddUser:
return LoginMetricsRecorder::ShelfButtonClickTarget::kAddUserButton;
case LoginShelfView::kCancel:
return LoginMetricsRecorder::ShelfButtonClickTarget::kCancelButton;
case LoginShelfView::kParentAccess:
return LoginMetricsRecorder::ShelfButtonClickTarget::kParentAccessButton;
}
return LoginMetricsRecorder::ShelfButtonClickTarget::kTargetCount;
}
// The margins of the button contents.
constexpr int kButtonMarginTopDp = 18;
constexpr int kButtonMarginLeftDp = 18;
constexpr int kButtonMarginBottomDp = 18;
constexpr int kButtonMarginRightDp = 16;
// The margins of the button background.
constexpr gfx::Insets kButtonBackgroundMargin(8, 8, 8, 0);
// Spacing between the button image and label.
constexpr int kImageLabelSpacingDp = 10;
// The border radius of the button background.
constexpr int kButtonRoundedBorderRadiusDp = 20;
// The color of the button background.
constexpr SkColor kButtonBackgroundColor =
SkColorSetA(gfx::kGoogleGrey100, 0x19);
// The color of the button text.
constexpr SkColor kButtonTextColor = gfx::kGoogleGrey100;
// The color of the button icon.
constexpr SkColor kButtonIconColor = SkColorSetRGB(0xEB, 0xEA, 0xED);
std::unique_ptr<SkPath> GetButtonHighlightPath(views::View* view) {
auto path = std::make_unique<SkPath>();
gfx::Rect rect(view->GetLocalBounds());
rect.Inset(kButtonBackgroundMargin);
path->addRoundRect(gfx::RectToSkRect(rect), kButtonRoundedBorderRadiusDp,
kButtonRoundedBorderRadiusDp);
return path;
}
void SetButtonHighlightPath(views::View* view) {
view->SetProperty(views::kHighlightPathKey,
GetButtonHighlightPath(view).release());
}
class LoginShelfButton : public views::LabelButton {
public:
LoginShelfButton(views::ButtonListener* listener,
int text_resource_id,
const gfx::VectorIcon& icon)
: LabelButton(listener, l10n_util::GetStringUTF16(text_resource_id)),
text_resource_id_(text_resource_id),
icon_(icon) {
SetAccessibleName(GetText());
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon, kButtonIconColor));
SetImage(views::Button::STATE_DISABLED,
gfx::CreateVectorIcon(
icon, SkColorSetA(kButtonIconColor,
login_constants::kButtonDisabledAlpha)));
SetFocusBehavior(FocusBehavior::ALWAYS);
SetInstallFocusRingOnFocus(true);
focus_ring()->SetColor(kFocusBorderColor);
SetFocusPainter(nullptr);
SetInkDropMode(InkDropMode::ON);
set_has_ink_drop_action_on_click(true);
set_ink_drop_base_color(kShelfInkDropBaseColor);
set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity);
// Layer rendering is required when the shelf background is visible, which
// happens when the wallpaper is not blurred.
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
SetTextSubpixelRenderingEnabled(false);
SetImageLabelSpacing(kImageLabelSpacingDp);
SetEnabledTextColors(kButtonTextColor);
SetTextColor(
views::Button::STATE_DISABLED,
SkColorSetA(kButtonTextColor, login_constants::kButtonDisabledAlpha));
label()->SetFontList(views::Label::GetDefaultFontList().Derive(
1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
}
~LoginShelfButton() override = default;
int text_resource_id() const { return text_resource_id_; }
// views::LabelButton:
gfx::Insets GetInsets() const override {
return gfx::Insets(kButtonMarginTopDp, kButtonMarginLeftDp,
kButtonMarginBottomDp, kButtonMarginRightDp);
}
const char* GetClassName() const override {
return kLoginShelfButtonClassName;
}
void OnBoundsChanged(const gfx::Rect& previous_bounds) override {
SetButtonHighlightPath(this);
LabelButton::OnBoundsChanged(previous_bounds);
}
void PaintButtonContents(gfx::Canvas* canvas) override {
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setColor(kButtonBackgroundColor);
flags.setStyle(cc::PaintFlags::kFill_Style);
canvas->DrawPath(*GetButtonHighlightPath(this), flags);
}
std::unique_ptr<views::InkDrop> CreateInkDrop() override {
auto ink_drop = std::make_unique<views::InkDropImpl>(this, size());
ink_drop->SetShowHighlightOnHover(false);
ink_drop->SetShowHighlightOnFocus(false);
return ink_drop;
}
void PaintDarkColors() {
SetEnabledTextColors(gfx::kGoogleGrey600);
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon_, gfx::kGoogleGrey600));
}
void PaintLightColors() {
SetEnabledTextColors(kButtonTextColor);
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon_, kButtonTextColor));
}
private:
const int text_resource_id_;
const gfx::VectorIcon& icon_;
DISALLOW_COPY_AND_ASSIGN(LoginShelfButton);
};
void StartAddUser() {
Shell::Get()->login_screen_controller()->ShowGaiaSignin(
true /*can_close*/, base::nullopt /*prefilled_account*/);
}
} // namespace
class KioskAppsButton : public views::MenuButton,
public views::MenuButtonListener,
public ui::SimpleMenuModel,
public ui::SimpleMenuModel::Delegate {
public:
KioskAppsButton()
: MenuButton(l10n_util::GetStringUTF16(IDS_ASH_SHELF_APPS_BUTTON), this),
ui::SimpleMenuModel(this) {
SetFocusBehavior(FocusBehavior::ALWAYS);
SetInstallFocusRingOnFocus(true);
focus_ring()->SetColor(kFocusBorderColor);
SetFocusPainter(nullptr);
SetInkDropMode(InkDropMode::ON);
set_has_ink_drop_action_on_click(true);
set_ink_drop_base_color(kShelfInkDropBaseColor);
set_ink_drop_visible_opacity(kShelfInkDropVisibleOpacity);
// Layer rendering is required when the shelf background is visible, which
// happens when the wallpaper is not blurred.
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
SetTextSubpixelRenderingEnabled(false);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, kButtonIconColor));
SetImageLabelSpacing(kImageLabelSpacingDp);
SetEnabledTextColors(kButtonTextColor);
label()->SetFontList(views::Label::GetDefaultFontList().Derive(
1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
}
bool LaunchAppForTesting(const std::string& app_id) {
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
if (kiosk_apps_[i].app_id == app_id) {
ExecuteCommand(i, 0);
return true;
}
}
return false;
}
// Replace the existing items list with a new list of kiosk app menu items.
void SetApps(const std::vector<KioskAppMenuEntry>& kiosk_apps,
const base::RepeatingCallback<void(const KioskAppMenuEntry&)>&
launch_app) {
launch_app_callback_ = launch_app;
kiosk_apps_ = kiosk_apps;
Clear();
const gfx::Size kAppIconSize(16, 16);
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
gfx::ImageSkia icon = gfx::ImageSkiaOperations::CreateResizedImage(
kiosk_apps_[i].icon, skia::ImageOperations::RESIZE_GOOD,
kAppIconSize);
AddItemWithIcon(i, kiosk_apps_[i].name, icon);
}
}
bool HasApps() const { return !kiosk_apps_.empty(); }
// views::MenuButton:
gfx::Insets GetInsets() const override {
return gfx::Insets(kButtonMarginTopDp, kButtonMarginLeftDp,
kButtonMarginBottomDp, kButtonMarginRightDp);
}
void OnBoundsChanged(const gfx::Rect& previous_bounds) override {
SetButtonHighlightPath(this);
LabelButton::OnBoundsChanged(previous_bounds);
}
void PaintButtonContents(gfx::Canvas* canvas) override {
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setColor(kButtonBackgroundColor);
flags.setStyle(cc::PaintFlags::kFill_Style);
canvas->DrawPath(*GetButtonHighlightPath(this), flags);
}
void SetVisible(bool visible) override {
MenuButton::SetVisible(visible);
if (visible)
is_launch_enabled_ = true;
}
std::unique_ptr<views::InkDrop> CreateInkDrop() override {
auto ink_drop = std::make_unique<views::InkDropImpl>(this, size());
ink_drop->SetShowHighlightOnHover(false);
ink_drop->SetShowHighlightOnFocus(false);
return ink_drop;
}
void PaintDarkColors() {
SetEnabledTextColors(gfx::kGoogleGrey600);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, gfx::kGoogleGrey600));
}
void PaintLightColors() {
SetEnabledTextColors(kButtonTextColor);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, kButtonIconColor));
}
// views::MenuButtonListener:
void OnMenuButtonClicked(Button* source,
const gfx::Point& point,
const ui::Event* event) override {
if (!is_launch_enabled_)
return;
menu_runner_.reset(
new views::MenuRunner(this, views::MenuRunner::HAS_MNEMONICS));
gfx::Point origin(point);
origin.set_x(point.x() - source->width());
origin.set_y(point.y() - source->height());
menu_runner_->RunMenuAt(source->GetWidget()->GetTopLevelWidget(),
button_controller(), gfx::Rect(origin, gfx::Size()),
views::MenuAnchorPosition::kTopLeft,
ui::MENU_SOURCE_NONE);
}
// ui::SimpleMenuModel:
void ExecuteCommand(int command_id, int event_flags) override {
DCHECK(command_id >= 0 &&
base::checked_cast<size_t>(command_id) < kiosk_apps_.size());
// Once an app is clicked on, don't allow any additional clicks until
// the state is reset (when login screen reappears).
is_launch_enabled_ = false;
launch_app_callback_.Run(kiosk_apps_[command_id]);
}
bool IsCommandIdChecked(int command_id) const override { return false; }
bool IsCommandIdEnabled(int command_id) const override { return true; }
private:
base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app_callback_;
std::unique_ptr<views::MenuRunner> menu_runner_;
std::vector<KioskAppMenuEntry> kiosk_apps_;
bool is_launch_enabled_ = true;
DISALLOW_COPY_AND_ASSIGN(KioskAppsButton);
};
LoginShelfView::TestUiUpdateDelegate::~TestUiUpdateDelegate() = default;
LoginShelfView::LoginShelfView(
LockScreenActionBackgroundController* lock_screen_action_background)
: lock_screen_action_background_(lock_screen_action_background),
tray_action_observer_(this),
lock_screen_action_background_observer_(this),
shutdown_controller_observer_(this),
login_screen_controller_observer_(this) {
// We reuse the focusable state on this view as a signal that focus should
// switch to the lock screen or status area. This view should otherwise not
// be focusable.
SetFocusBehavior(FocusBehavior::ALWAYS);
SetLayoutManager(
std::make_unique<views::BoxLayout>(views::BoxLayout::kHorizontal));
auto add_button = [this](ButtonId id, int text_resource_id,
const gfx::VectorIcon& icon) {
LoginShelfButton* button =
new LoginShelfButton(this, text_resource_id, icon);
button->SetID(id);
AddChildView(button);
};
add_button(kShutdown, IDS_ASH_SHELF_SHUTDOWN_BUTTON,
kShelfShutdownButtonIcon);
kiosk_apps_button_ = new KioskAppsButton();
kiosk_apps_button_->SetID(kApps);
AddChildView(kiosk_apps_button_);
add_button(kRestart, IDS_ASH_SHELF_RESTART_BUTTON, kShelfShutdownButtonIcon);
add_button(kSignOut, IDS_ASH_SHELF_SIGN_OUT_BUTTON, kShelfSignOutButtonIcon);
add_button(kCloseNote, IDS_ASH_SHELF_UNLOCK_BUTTON, kShelfUnlockButtonIcon);
add_button(kCancel, IDS_ASH_SHELF_CANCEL_BUTTON, kShelfCancelButtonIcon);
add_button(kBrowseAsGuest, IDS_ASH_BROWSE_AS_GUEST_BUTTON,
kShelfBrowseAsGuestButtonIcon);
add_button(kAddUser, IDS_ASH_ADD_USER_BUTTON, kShelfAddPersonButtonIcon);
add_button(kParentAccess, IDS_ASH_PARENT_ACCESS_BUTTON,
kParentAccessLockIcon);
// Adds observers for states that affect the visiblity of different buttons.
tray_action_observer_.Add(Shell::Get()->tray_action());
shutdown_controller_observer_.Add(Shell::Get()->shutdown_controller());
lock_screen_action_background_observer_.Add(lock_screen_action_background);
login_screen_controller_observer_.Add(
Shell::Get()->login_screen_controller());
locale_change_observer_.Add(Shell::Get()->locale_update_controller());
UpdateUi();
}
LoginShelfView::~LoginShelfView() = default;
void LoginShelfView::UpdateAfterSessionChange() {
UpdateUi();
}
const char* LoginShelfView::GetClassName() const {
return "LoginShelfView";
}
void LoginShelfView::OnFocus() {
LOG(WARNING) << "LoginShelfView was focused, but this should never happen. "
"Forwarded focus to shelf widget with an unknown direction.";
Shell::Get()->focus_cycler()->FocusWidget(
Shelf::ForWindow(GetWidget()->GetNativeWindow())->shelf_widget());
}
void LoginShelfView::AboutToRequestFocusFromTabTraversal(bool reverse) {
if (reverse) {
// Focus should leave the system tray.
Shell::Get()->system_tray_notifier()->NotifyFocusOut(reverse);
} else {
// Focus goes to status area.
StatusAreaWidget* status_area_widget =
Shelf::ForWindow(GetWidget()->GetNativeWindow())->GetStatusAreaWidget();
status_area_widget->status_area_widget_delegate()
->set_default_last_focusable_child(reverse);
Shell::Get()->focus_cycler()->FocusWidget(status_area_widget);
}
}
void LoginShelfView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
if (LockScreen::HasInstance()) {
GetViewAccessibility().OverridePreviousFocus(LockScreen::Get()->widget());
}
Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
GetViewAccessibility().OverrideNextFocus(shelf->GetStatusAreaWidget());
node_data->role = ax::mojom::Role::kToolbar;
node_data->SetName(l10n_util::GetStringUTF8(IDS_ASH_SHELF_ACCESSIBLE_NAME));
}
void LoginShelfView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
UserMetricsRecorder::RecordUserClickOnShelfButton(
GetUserClickTarget(sender->GetID()));
switch (sender->GetID()) {
case kShutdown:
case kRestart:
// |ShutdownController| will further distinguish the two cases based on
// shutdown policy.
Shell::Get()->lock_state_controller()->RequestShutdown(
ShutdownReason::LOGIN_SHUT_DOWN_BUTTON);
break;
case kSignOut:
base::RecordAction(base::UserMetricsAction("ScreenLocker_Signout"));
Shell::Get()->session_controller()->RequestSignOut();
break;
case kCloseNote:
Shell::Get()->tray_action()->CloseLockScreenNote(
mojom::CloseLockScreenNoteReason::kUnlockButtonPressed);
break;
case kCancel:
// If the Cancel button has focus, clear it. Otherwise the shelf within
// active session may still be focused.
GetFocusManager()->ClearFocus();
Shell::Get()->login_screen_controller()->CancelAddUser();
break;
case kBrowseAsGuest:
Shell::Get()->login_screen_controller()->LoginAsGuest();
break;
case kAddUser:
StartAddUser();
break;
case kParentAccess:
Shell::Get()->login_screen_controller()->SetShowParentAccessDialog(true);
break;
default:
NOTREACHED();
}
}
bool LoginShelfView::LaunchAppForTesting(const std::string& app_id) {
return kiosk_apps_button_->enabled() &&
kiosk_apps_button_->LaunchAppForTesting(app_id);
}
bool LoginShelfView::SimulateAddUserButtonForTesting() {
views::View* add_user_button = GetViewByID(kAddUser);
if (!add_user_button->enabled())
return false;
StartAddUser();
return true;
}
bool LoginShelfView::SimulateGuestButtonForTesting() {
views::View* guest_login_button = GetViewByID(kBrowseAsGuest);
if (!guest_login_button->enabled())
return false;
Shell::Get()->login_screen_controller()->LoginAsGuest();
return true;
}
void LoginShelfView::InstallTestUiUpdateDelegate(
std::unique_ptr<TestUiUpdateDelegate> delegate) {
DCHECK(!test_ui_update_delegate_.get());
test_ui_update_delegate_ = std::move(delegate);
}
void LoginShelfView::SetKioskApps(
const std::vector<KioskAppMenuEntry>& kiosk_apps,
const base::RepeatingCallback<void(const KioskAppMenuEntry&)>& launch_app) {
kiosk_apps_button_->SetApps(kiosk_apps, launch_app);
UpdateUi();
}
void LoginShelfView::SetLoginDialogState(mojom::OobeDialogState state) {
dialog_state_ = state;
UpdateUi();
}
void LoginShelfView::SetAllowLoginAsGuest(bool allow_guest) {
allow_guest_ = allow_guest;
UpdateUi();
}
void LoginShelfView::SetShowParentAccessButton(bool show) {
show_parent_access_ = show;
UpdateUi();
}
void LoginShelfView::SetShowGuestButtonInOobe(bool show) {
allow_guest_in_oobe_ = show;
UpdateUi();
}
void LoginShelfView::SetAddUserButtonEnabled(bool enable_add_user) {
GetViewByID(kAddUser)->SetEnabled(enable_add_user);
}
void LoginShelfView::SetShutdownButtonEnabled(bool enable_shutdown_button) {
GetViewByID(kShutdown)->SetEnabled(enable_shutdown_button);
}
void LoginShelfView::OnLockScreenNoteStateChanged(
mojom::TrayActionState state) {
UpdateUi();
}
void LoginShelfView::OnLockScreenActionBackgroundStateChanged(
LockScreenActionBackgroundState state) {
UpdateUi();
}
void LoginShelfView::OnShutdownPolicyChanged(bool reboot_on_shutdown) {
UpdateUi();
}
void LoginShelfView::OnOobeDialogStateChanged(mojom::OobeDialogState state) {
SetLoginDialogState(state);
}
void LoginShelfView::OnUsersChanged(
const std::vector<mojom::LoginUserInfoPtr>& users) {
login_screen_has_users_ = !users.empty();
UpdateUi();
}
void LoginShelfView::OnLocaleChanged() {
for (views::View* child : children()) {
if (child->GetClassName() == kLoginShelfButtonClassName) {
auto* button = static_cast<LoginShelfButton*>(child);
button->SetText(l10n_util::GetStringUTF16(button->text_resource_id()));
button->SetAccessibleName(button->GetText());
}
}
}
bool LoginShelfView::LockScreenActionBackgroundAnimating() const {
return lock_screen_action_background_->state() ==
LockScreenActionBackgroundState::kShowing ||
lock_screen_action_background_->state() ==
LockScreenActionBackgroundState::kHiding;
}
void LoginShelfView::UpdateUi() {
// Make sure observers are notified.
base::ScopedClosureRunner fire_observer(base::BindOnce(
[](LoginShelfView* self) {
if (self->test_ui_update_delegate())
self->test_ui_update_delegate()->OnUiUpdate();
},
base::Unretained(this)));
SessionState session_state =
Shell::Get()->session_controller()->GetSessionState();
if (session_state == SessionState::ACTIVE) {
// The entire view was set invisible. The buttons are also set invisible
// to avoid affecting calculation of the shelf size.
for (auto* child : children())
child->SetVisible(false);
return;
}
bool show_reboot = Shell::Get()->shutdown_controller()->reboot_on_shutdown();
mojom::TrayActionState tray_action_state =
Shell::Get()->tray_action()->GetLockScreenNoteState();
bool is_locked = (session_state == SessionState::LOCKED);
bool is_lock_screen_note_in_foreground =
(tray_action_state == mojom::TrayActionState::kActive ||
tray_action_state == mojom::TrayActionState::kLaunching) &&
!LockScreenActionBackgroundAnimating();
// TODO: https://crbug.com/935849
GetViewByID(kShutdown)->SetVisible(!show_reboot &&
!is_lock_screen_note_in_foreground);
GetViewByID(kRestart)->SetVisible(show_reboot &&
!is_lock_screen_note_in_foreground);
GetViewByID(kSignOut)->SetVisible(is_locked &&
!is_lock_screen_note_in_foreground);
GetViewByID(kCloseNote)
->SetVisible(is_locked && is_lock_screen_note_in_foreground);
GetViewByID(kCancel)->SetVisible(session_state ==
SessionState::LOGIN_SECONDARY);
GetViewByID(kParentAccess)->SetVisible(is_locked && show_parent_access_);
bool is_login_primary = (session_state == SessionState::LOGIN_PRIMARY);
bool dialog_visible = dialog_state_ != mojom::OobeDialogState::HIDDEN;
bool is_oobe = (session_state == SessionState::OOBE);
bool user_session_started =
Shell::Get()->session_controller()->NumberOfLoggedInUsers() != 0;
// Show guest button if:
// 1. It's in login screen or OOBE. Note: In OOBE, the guest button visibility
// is manually controlled by the WebUI.
// 2. Guest login is allowed.
// 3. OOBE UI dialog is not currently showing wrong HWID warning screen or
// SAML password confirmation screen.
// 4. OOBE UI dialog is not currently showing gaia signin screen, or if there
// are no user views available. If there are no user pods (i.e. Gaia is the
// only signin option), the guest button should be shown if allowed.
// 5. No users sessions have started. Button is hidden from all post login
// screens like sync consent, etc.
GetViewByID(kBrowseAsGuest)
->SetVisible(
(is_login_primary || (is_oobe && allow_guest_in_oobe_)) &&
allow_guest_ &&
dialog_state_ != mojom::OobeDialogState::WRONG_HWID_WARNING &&
dialog_state_ != mojom::OobeDialogState::SAML_PASSWORD_CONFIRM &&
(dialog_state_ != mojom::OobeDialogState::GAIA_SIGNIN ||
!login_screen_has_users_) &&
!user_session_started);
// Show add user button when it's in login screen and Oobe UI dialog is not
// visible. The button should not appear if the device is not connected to a
// network.
GetViewByID(kAddUser)->SetVisible(!dialog_visible && is_login_primary);
// Show kiosk apps button if:
// 1. It's in login screen.
// 2. There are Kiosk apps available.
// 3. Oobe UI dialog is not visible or is currently showing gaia signin
// screen.
kiosk_apps_button_->SetVisible(
(!dialog_visible ||
dialog_state_ == mojom::OobeDialogState::GAIA_SIGNIN) &&
kiosk_apps_button_->HasApps() && (is_login_primary || is_oobe));
UpdateButtonColors(is_oobe);
Layout();
UpdateButtonUnionBounds();
}
void LoginShelfView::UpdateButtonColors(bool use_dark_colors) {
if (use_dark_colors) {
static_cast<LoginShelfButton*>(GetViewByID(kShutdown))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kRestart))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kSignOut))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kCloseNote))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kCancel))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kParentAccess))
->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kBrowseAsGuest))
->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kAddUser))->PaintDarkColors();
kiosk_apps_button_->PaintDarkColors();
} else {
static_cast<LoginShelfButton*>(GetViewByID(kShutdown))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kRestart))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kSignOut))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kCloseNote))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kCancel))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kParentAccess))
->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kBrowseAsGuest))
->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kAddUser))->PaintLightColors();
kiosk_apps_button_->PaintLightColors();
}
}
void LoginShelfView::UpdateButtonUnionBounds() {
button_union_bounds_ = gfx::Rect();
View::Views children = GetChildrenInZOrder();
for (auto* child : children) {
if (child->visible())
button_union_bounds_.Union(child->bounds());
}
}
} // namespace ash