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chromium / chromium / src / 7cdfe3acfe05dc858c5b150a5d53fe46cda0d753 / . / ash / login / ui / lock_contents_view.cc
blob: 45730d7bc810309d3c0033986df90e26f98cb08d [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/login/ui/lock_contents_view.h"
#include <algorithm>
#include <memory>
#include <utility>
#include "ash/accelerators/accelerator_controller.h"
#include "ash/detachable_base/detachable_base_pairing_status.h"
#include "ash/focus_cycler.h"
#include "ash/ime/ime_controller.h"
#include "ash/login/login_screen_controller.h"
#include "ash/login/ui/lock_screen.h"
#include "ash/login/ui/login_auth_user_view.h"
#include "ash/login/ui/login_big_user_view.h"
#include "ash/login/ui/login_detachable_base_model.h"
#include "ash/login/ui/login_expanded_public_account_view.h"
#include "ash/login/ui/login_public_account_user_view.h"
#include "ash/login/ui/login_user_view.h"
#include "ash/login/ui/non_accessible_view.h"
#include "ash/login/ui/note_action_launch_button.h"
#include "ash/login/ui/parent_access_view.h"
#include "ash/login/ui/scrollable_users_list_view.h"
#include "ash/login/ui/views_utils.h"
#include "ash/public/cpp/ash_features.h"
#include "ash/public/cpp/ash_switches.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/power/power_button_controller.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/wm/tablet_mode/tablet_mode_controller.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "components/user_manager/user_type.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/ui_base_features.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/base/user_activity/user_activity_observer.h"
#include "ui/display/display.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/manager/managed_display_info.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/vector2d.h"
#include "ui/gfx/text_constants.h"
#include "ui/views/accessibility/ax_aura_obj_cache.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/scroll_view.h"
#include "ui/views/controls/styled_label.h"
#include "ui/views/focus/focus_search.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/style/typography.h"
#include "ui/views/view.h"
namespace ash {
namespace {
// Any non-zero value used for separator height. Makes debugging easier; this
// should not affect visual appearance.
constexpr int kNonEmptyHeightDp = 30;
// Horizontal distance between two users in the low density layout.
constexpr int kLowDensityDistanceBetweenUsersInLandscapeDp = 118;
constexpr int kLowDensityDistanceBetweenUsersInPortraitDp = 32;
// Margin left of the auth user in the medium density layout.
constexpr int kMediumDensityMarginLeftOfAuthUserLandscapeDp = 98;
constexpr int kMediumDensityMarginLeftOfAuthUserPortraitDp = 0;
// Horizontal distance between the auth user and the medium density user row.
constexpr int kMediumDensityDistanceBetweenAuthUserAndUsersLandscapeDp = 220;
constexpr int kMediumDensityDistanceBetweenAuthUserAndUsersPortraitDp = 84;
// Spacing between the auth error text and the learn more button.
constexpr int kLearnMoreButtonVerticalSpacingDp = 6;
// Blue-ish color for the "learn more" button text.
constexpr SkColor kLearnMoreButtonTextColor =
SkColorSetARGB(0xFF, 0x7B, 0xAA, 0xF7);
constexpr char kLockContentsViewName[] = "LockContentsView";
constexpr char kAuthErrorContainerName[] = "AuthErrorContainer";
// Sets the preferred width for |view| with an arbitrary height.
void SetPreferredWidthForView(views::View* view, int width) {
view->SetPreferredSize(gfx::Size(width, kNonEmptyHeightDp));
}
class AuthErrorLearnMoreButton : public views::Button,
public views::ButtonListener {
public:
explicit AuthErrorLearnMoreButton(LoginErrorBubble* parent_bubble)
: views::Button(this), parent_bubble_(parent_bubble) {
SetLayoutManager(std::make_unique<views::FillLayout>());
auto* label =
new views::Label(l10n_util::GetStringUTF16(IDS_ASH_LEARN_MORE));
label->SetAutoColorReadabilityEnabled(false);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label->SetEnabledColor(kLearnMoreButtonTextColor);
label->SetSubpixelRenderingEnabled(false);
const gfx::FontList& base_font_list = views::Label::GetDefaultFontList();
label->SetFontList(base_font_list.Derive(0, gfx::Font::FontStyle::NORMAL,
gfx::Font::Weight::NORMAL));
AddChildView(label);
SetAccessibleName(l10n_util::GetStringUTF16(IDS_ASH_LEARN_MORE));
}
void ButtonPressed(Button* sender, const ui::Event& event) override {
Shell::Get()->login_screen_controller()->ShowAccountAccessHelpApp();
parent_bubble_->Hide();
}
private:
LoginErrorBubble* parent_bubble_;
DISALLOW_COPY_AND_ASSIGN(AuthErrorLearnMoreButton);
};
// Focuses the first or last focusable child of |root|. If |reverse| is false,
// this focuses the first focusable child. If |reverse| is true, this focuses
// the last focusable child.
void FocusFirstOrLastFocusableChild(views::View* root, bool reverse) {
views::FocusSearch search(root, reverse /*cycle*/,
false /*accessibility_mode*/);
views::FocusTraversable* dummy_focus_traversable;
views::View* dummy_focus_traversable_view;
views::View* focusable_view = search.FindNextFocusableView(
root,
reverse ? views::FocusSearch::SearchDirection::kBackwards
: views::FocusSearch::SearchDirection::kForwards,
views::FocusSearch::TraversalDirection::kDown,
views::FocusSearch::StartingViewPolicy::kSkipStartingView,
views::FocusSearch::AnchoredDialogPolicy::kCanGoIntoAnchoredDialog,
&dummy_focus_traversable, &dummy_focus_traversable_view);
if (focusable_view)
focusable_view->RequestFocus();
}
// Make a section of the text bold.
// |label|: The label to apply mixed styles.
// |text|: The message to display.
// |bold_start|: The position in |text| to start bolding.
// |bold_length|: The length of bold text.
void MakeSectionBold(views::StyledLabel* label,
const base::string16& text,
const base::Optional<int>& bold_start,
int bold_length) {
auto create_style = [&](bool is_bold) {
views::StyledLabel::RangeStyleInfo style;
if (is_bold) {
style.custom_font = label->GetDefaultFontList().Derive(
0, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::BOLD);
}
style.override_color = SK_ColorWHITE;
return style;
};
auto add_style = [&](const views::StyledLabel::RangeStyleInfo& style,
int start, int end) {
if (start >= end)
return;
label->AddStyleRange(gfx::Range(start, end), style);
};
views::StyledLabel::RangeStyleInfo regular_style =
create_style(false /*is_bold*/);
views::StyledLabel::RangeStyleInfo bold_style =
create_style(true /*is_bold*/);
if (!bold_start || bold_length == 0) {
add_style(regular_style, 0, text.length());
return;
}
add_style(regular_style, 0, *bold_start - 1);
add_style(bold_style, *bold_start, *bold_start + bold_length);
add_style(regular_style, *bold_start + bold_length + 1, text.length());
}
keyboard::KeyboardController* GetKeyboardControllerForWidget(
const views::Widget* widget) {
auto* keyboard_controller = keyboard::KeyboardController::Get();
if (!keyboard_controller->IsEnabled())
return nullptr;
aura::Window* keyboard_window = keyboard_controller->GetRootWindow();
aura::Window* this_window = widget->GetNativeWindow()->GetRootWindow();
return keyboard_window == this_window ? keyboard_controller : nullptr;
}
bool IsPublicAccountUser(const mojom::LoginUserInfoPtr& user) {
return user->basic_user_info->type == user_manager::USER_TYPE_PUBLIC_ACCOUNT;
}
bool IsTabletMode() {
return Shell::Get()
->tablet_mode_controller()
->IsTabletModeWindowManagerEnabled();
}
//
// Computes a layout described as follows:
//
// l L R r
//
// L R go from [0, L/R_max_fixed_width]
// l and r go from [0, inf]
//
// First, width is distributed to L and R up to their maximum widths. If there
// is not enough width for them, space will be distributed evenly in the same
// ratio as their original sizes.
//
// If L and R are at max width, l and r will receive all remaining space in the
// specified relative weighting.
//
// l -> left_flex_weight
// L -> left_max_fixed_width
// R -> right_max_fixed_width
// r -> right_flex_weight
//
// Output data is in the member variables.
//
struct MediumViewLayout {
MediumViewLayout(int width,
int left_flex_weight,
int left_max_fixed_width,
int right_max_fixed_width,
int right_flex_weight) {
// No space to distribute.
if (width <= 0)
return;
auto set_values_from_weight = [](int width, float weight_a, float weight_b,
int* value_a, int* value_b) {
float total_weight = weight_a + weight_b;
*value_a = width * (weight_a / total_weight);
// Subtract to avoid floating point rounding errors, ie, guarantee that
// that |value_a + value_b = width|.
*value_b = width - *value_a;
};
int flex_width = width - (left_max_fixed_width + right_max_fixed_width);
if (flex_width < 0) {
// No flex available, distribute to fixed width only
set_values_from_weight(width, left_max_fixed_width, right_max_fixed_width,
&left_fixed_width, &right_fixed_width);
DCHECK_EQ(width, left_fixed_width + right_fixed_width);
} else {
// Flex is available; fixed goes to maximum size, extra goes to flex.
left_fixed_width = left_max_fixed_width;
right_fixed_width = right_max_fixed_width;
set_values_from_weight(flex_width, left_flex_weight, right_flex_weight,
&left_flex_width, &right_flex_width);
DCHECK_EQ(flex_width, left_flex_width + right_flex_width);
}
}
int left_fixed_width = 0;
int right_fixed_width = 0;
int left_flex_width = 0;
int right_flex_width = 0;
};
} // namespace
class LockContentsView::AutoLoginUserActivityHandler
: public ui::UserActivityObserver {
public:
AutoLoginUserActivityHandler() {
observer_.Add(ui::UserActivityDetector::Get());
}
~AutoLoginUserActivityHandler() override = default;
void OnUserActivity(const ui::Event* event) override {
if (Shell::Get()->login_screen_controller()) {
Shell::Get()->login_screen_controller()->NotifyUserActivity();
}
}
private:
ScopedObserver<ui::UserActivityDetector, ui::UserActivityObserver> observer_{
this};
DISALLOW_COPY_AND_ASSIGN(AutoLoginUserActivityHandler);
};
LockContentsView::TestApi::TestApi(LockContentsView* view) : view_(view) {}
LockContentsView::TestApi::~TestApi() = default;
LoginBigUserView* LockContentsView::TestApi::primary_big_view() const {
return view_->primary_big_view_;
}
LoginBigUserView* LockContentsView::TestApi::opt_secondary_big_view() const {
return view_->opt_secondary_big_view_;
}
ScrollableUsersListView* LockContentsView::TestApi::users_list() const {
return view_->users_list_;
}
views::View* LockContentsView::TestApi::note_action() const {
return view_->note_action_;
}
LoginTooltipView* LockContentsView::TestApi::tooltip_bubble() const {
return view_->tooltip_bubble_;
}
LoginErrorBubble* LockContentsView::TestApi::auth_error_bubble() const {
return view_->auth_error_bubble_;
}
LoginErrorBubble* LockContentsView::TestApi::detachable_base_error_bubble()
const {
return view_->detachable_base_error_bubble_;
}
LoginErrorBubble* LockContentsView::TestApi::warning_banner_bubble() const {
return view_->warning_banner_bubble_;
}
LoginErrorBubble*
LockContentsView::TestApi::supervised_user_deprecation_bubble() const {
return view_->supervised_user_deprecation_bubble_;
}
views::View* LockContentsView::TestApi::system_info() const {
return view_->system_info_;
}
LoginExpandedPublicAccountView* LockContentsView::TestApi::expanded_view()
const {
return view_->expanded_view_;
}
views::View* LockContentsView::TestApi::main_view() const {
return view_->main_view_;
}
LockContentsView::UserState::UserState(const mojom::LoginUserInfoPtr& user_info)
: account_id(user_info->basic_user_info->account_id) {
fingerprint_state = user_info->fingerprint_state;
if (user_info->auth_type == proximity_auth::mojom::AuthType::ONLINE_SIGN_IN)
force_online_sign_in = true;
}
LockContentsView::UserState::UserState(UserState&&) = default;
LockContentsView::UserState::~UserState() = default;
// static
const int LockContentsView::kLoginAttemptsBeforeGaiaDialog = 4;
LockContentsView::LockContentsView(
mojom::TrayActionState initial_note_action_state,
LockScreen::ScreenType screen_type,
LoginDataDispatcher* data_dispatcher,
std::unique_ptr<LoginDetachableBaseModel> detachable_base_model)
: NonAccessibleView(kLockContentsViewName),
screen_type_(screen_type),
data_dispatcher_(data_dispatcher),
detachable_base_model_(std::move(detachable_base_model)) {
if (screen_type == LockScreen::ScreenType::kLogin)
auto_login_user_activity_handler_ =
std::make_unique<AutoLoginUserActivityHandler>();
data_dispatcher_->AddObserver(this);
display_observer_.Add(display::Screen::GetScreen());
Shell::Get()->login_screen_controller()->AddObserver(this);
Shell::Get()->system_tray_notifier()->AddSystemTrayFocusObserver(this);
keyboard::KeyboardController::Get()->AddObserver(this);
// We reuse the focusable state on this view as a signal that focus should
// switch to the system tray. LockContentsView should otherwise not be
// focusable.
SetFocusBehavior(FocusBehavior::ALWAYS);
SetLayoutManager(std::make_unique<views::FillLayout>());
main_view_ = new NonAccessibleView();
AddChildView(main_view_);
// The top header view.
top_header_ = new views::View();
auto top_header_layout =
std::make_unique<views::BoxLayout>(views::BoxLayout::kHorizontal);
top_header_layout->set_main_axis_alignment(
views::BoxLayout::MAIN_AXIS_ALIGNMENT_END);
top_header_->SetLayoutManager(std::move(top_header_layout));
AddChildView(top_header_);
system_info_ = new views::View();
auto* system_info_layout =
system_info_->SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::kVertical, gfx::Insets(6, 8)));
system_info_layout->set_cross_axis_alignment(
views::BoxLayout::CROSS_AXIS_ALIGNMENT_END);
system_info_->SetVisible(false);
top_header_->AddChildView(system_info_);
note_action_ = new NoteActionLaunchButton(initial_note_action_state);
top_header_->AddChildView(note_action_);
// Public Session expanded view.
expanded_view_ = new LoginExpandedPublicAccountView(
base::BindRepeating(&LockContentsView::SetDisplayStyle,
base::Unretained(this), DisplayStyle::kAll));
expanded_view_->SetVisible(false);
AddChildView(expanded_view_);
supervised_user_deprecation_bubble_ = new LoginErrorBubble();
supervised_user_deprecation_bubble_->SetPersistent(true);
AddChildView(supervised_user_deprecation_bubble_);
detachable_base_error_bubble_ = new LoginErrorBubble();
detachable_base_error_bubble_->SetPersistent(true);
AddChildView(detachable_base_error_bubble_);
tooltip_bubble_ = new LoginTooltipView(base::UTF8ToUTF16("") /*message*/,
nullptr /*anchor_view*/);
AddChildView(tooltip_bubble_);
warning_banner_bubble_ = new LoginErrorBubble();
warning_banner_bubble_->SetPersistent(true);
AddChildView(warning_banner_bubble_);
auth_error_bubble_ = new LoginErrorBubble();
AddChildView(auth_error_bubble_);
OnLockScreenNoteStateChanged(initial_note_action_state);
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
this);
RegisterAccelerators();
}
LockContentsView::~LockContentsView() {
Shell::Get()->accelerator_controller()->UnregisterAll(this);
data_dispatcher_->RemoveObserver(this);
Shell::Get()->login_screen_controller()->RemoveObserver(this);
keyboard::KeyboardController::Get()->RemoveObserver(this);
Shell::Get()->system_tray_notifier()->RemoveSystemTrayFocusObserver(this);
if (unlock_attempt_ > 0) {
// Times a password was incorrectly entered until user gives up (sign out
// current session or shutdown the device). For a successful unlock,
// unlock_attempt_ should already be reset by OnLockStateChanged.
Shell::Get()->metrics()->login_metrics_recorder()->RecordNumLoginAttempts(
unlock_attempt_, false /*success*/);
}
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
this);
}
void LockContentsView::FocusNextUser() {
if (users_.empty())
return;
if (login_views_utils::HasFocusInAnyChildView(primary_big_view_)) {
if (opt_secondary_big_view_) {
SwapActiveAuthBetweenPrimaryAndSecondary(false /*is_primary*/);
opt_secondary_big_view_->RequestFocus();
} else if (users_list_) {
users_list_->user_view_at(0)->RequestFocus();
}
return;
}
if (opt_secondary_big_view_ &&
login_views_utils::HasFocusInAnyChildView(opt_secondary_big_view_)) {
SwapActiveAuthBetweenPrimaryAndSecondary(true /*is_primary*/);
primary_big_view_->RequestFocus();
return;
}
if (users_list_) {
for (int i = 0; i < users_list_->user_count(); ++i) {
LoginUserView* user_view = users_list_->user_view_at(i);
if (!login_views_utils::HasFocusInAnyChildView(user_view))
continue;
if (i == users_list_->user_count() - 1) {
SwapActiveAuthBetweenPrimaryAndSecondary(true /*is_primary*/);
primary_big_view_->RequestFocus();
return;
}
user_view->GetNextFocusableView()->RequestFocus();
return;
}
}
}
void LockContentsView::FocusPreviousUser() {
if (users_.empty())
return;
if (login_views_utils::HasFocusInAnyChildView(primary_big_view_)) {
if (users_list_) {
users_list_->user_view_at(users_list_->user_count() - 1)->RequestFocus();
} else if (opt_secondary_big_view_) {
SwapActiveAuthBetweenPrimaryAndSecondary(false /*is_primary*/);
opt_secondary_big_view_->RequestFocus();
}
return;
}
if (opt_secondary_big_view_ &&
login_views_utils::HasFocusInAnyChildView(opt_secondary_big_view_)) {
SwapActiveAuthBetweenPrimaryAndSecondary(true /*is_primary*/);
primary_big_view_->RequestFocus();
return;
}
if (users_list_) {
for (int i = 0; i < users_list_->user_count(); ++i) {
LoginUserView* user_view = users_list_->user_view_at(i);
if (!login_views_utils::HasFocusInAnyChildView(user_view))
continue;
if (i == 0) {
SwapActiveAuthBetweenPrimaryAndSecondary(true /*is_primary*/);
primary_big_view_->RequestFocus();
return;
}
user_view->GetPreviousFocusableView()->RequestFocus();
return;
}
}
}
void LockContentsView::Layout() {
View::Layout();
LayoutTopHeader();
LayoutPublicSessionView();
if (users_list_)
users_list_->Layout();
}
void LockContentsView::AddedToWidget() {
DoLayout();
// Focus the primary user when showing the UI. This will focus the password.
if (primary_big_view_)
primary_big_view_->RequestFocus();
}
void LockContentsView::OnFocus() {
// If LockContentsView somehow gains focus (ie, a test, but it should not
// under typical circumstances), immediately forward the focus to the
// primary_big_view_ since LockContentsView has no real focusable content by
// itself.
if (primary_big_view_)
primary_big_view_->RequestFocus();
}
void LockContentsView::AboutToRequestFocusFromTabTraversal(bool reverse) {
// The LockContentsView itself doesn't have anything to focus. If it gets
// focused we should change the currently focused widget (ie, to the shelf or
// status area, or lock screen apps, if they are active).
if (reverse && lock_screen_apps_active_) {
Shell::Get()->login_screen_controller()->FocusLockScreenApps(reverse);
return;
}
FocusNextWidget(reverse);
}
void LockContentsView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
ShelfWidget* shelf_widget = shelf->shelf_widget();
int next_id = views::AXAuraObjCache::GetInstance()->GetID(shelf_widget);
node_data->AddIntAttribute(ax::mojom::IntAttribute::kNextFocusId, next_id);
int previous_id =
views::AXAuraObjCache::GetInstance()->GetID(shelf->GetStatusAreaWidget());
node_data->AddIntAttribute(ax::mojom::IntAttribute::kPreviousFocusId,
previous_id);
node_data->SetNameExplicitlyEmpty();
}
bool LockContentsView::AcceleratorPressed(const ui::Accelerator& accelerator) {
auto entry = accel_map_.find(accelerator);
if (entry == accel_map_.end())
return false;
PerformAction(entry->second);
return true;
}
void LockContentsView::OnUsersChanged(
const std::vector<mojom::LoginUserInfoPtr>& users) {
// The debug view will potentially call this method many times. Make sure to
// invalidate any child references.
primary_big_view_ = nullptr;
opt_secondary_big_view_ = nullptr;
users_list_ = nullptr;
layout_actions_.clear();
// Removing child views can change focus, which may result in LockContentsView
// getting focused. Make sure to clear internal references before that happens
// so there is not stale-pointer usage. See crbug.com/884402.
main_view_->RemoveAllChildViews(true /*delete_children*/);
// Build user state list. Preserve previous state if the user already exists.
std::vector<UserState> new_users;
for (const mojom::LoginUserInfoPtr& user : users) {
UserState* old_state = FindStateForUser(user->basic_user_info->account_id);
if (old_state)
new_users.push_back(std::move(*old_state));
else
new_users.push_back(UserState(user));
}
users_ = std::move(new_users);
// If there are no users, show gaia signin if login, otherwise crash.
if (users.empty()) {
LOG_IF(FATAL, screen_type_ != LockScreen::ScreenType::kLogin)
<< "Empty user list received";
Shell::Get()->login_screen_controller()->ShowGaiaSignin(
false /*can_close*/, base::nullopt /*prefilled_account*/);
return;
}
// Allocate layout and big user, which are common between all densities.
auto* main_layout = main_view_->SetLayoutManager(
std::make_unique<views::BoxLayout>(views::BoxLayout::kHorizontal));
main_layout->set_main_axis_alignment(
views::BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER);
main_layout->set_cross_axis_alignment(
views::BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
primary_big_view_ = AllocateLoginBigUserView(users[0], true /*is_primary*/);
// Build layout for additional users.
if (users.size() <= 2)
CreateLowDensityLayout(users);
else if (users.size() >= 3 && users.size() <= 6)
CreateMediumDensityLayout(users);
else if (users.size() >= 7)
CreateHighDensityLayout(users, main_layout);
LayoutAuth(primary_big_view_, opt_secondary_big_view_, false /*animate*/);
// Big user may be the same if we already built lock screen.
OnBigUserChanged();
// Force layout.
PreferredSizeChanged();
Layout();
// If one of the child views had focus before we deleted them, then this view
// will get focused. Move focus back to the primary big view.
if (HasFocus())
primary_big_view_->RequestFocus();
}
void LockContentsView::OnPinEnabledForUserChanged(const AccountId& user,
bool enabled) {
LockContentsView::UserState* state = FindStateForUser(user);
if (!state) {
LOG(ERROR) << "Unable to find user when changing PIN state to " << enabled;
return;
}
state->show_pin = enabled;
LoginBigUserView* big_user =
TryToFindBigUser(user, true /*require_auth_active*/);
if (big_user && big_user->auth_user())
LayoutAuth(big_user, nullptr /*opt_to_hide*/, true /*animate*/);
}
void LockContentsView::OnFingerprintStateChanged(
const AccountId& account_id,
mojom::FingerprintState state) {
UserState* user_state = FindStateForUser(account_id);
if (!user_state)
return;
user_state->fingerprint_state = state;
LoginBigUserView* big_view =
TryToFindBigUser(account_id, true /*require_auth_active*/);
if (!big_view || !big_view->auth_user())
return;
// TODO(crbug.com/893298): Re-enable animation once the error bubble supports
// being displayed on the left. This also requires that we dynamically
// track/update the position of the bubble, or alternatively we set the bubble
// location to the target animation position and not the current position.
bool animate = true;
if (user_state->fingerprint_state ==
mojom::FingerprintState::DISABLED_FROM_TIMEOUT) {
animate = false;
}
big_view->auth_user()->SetFingerprintState(user_state->fingerprint_state);
LayoutAuth(big_view, nullptr /*opt_to_hide*/, animate);
if (user_state->fingerprint_state ==
mojom::FingerprintState::DISABLED_FROM_TIMEOUT) {
base::string16 error_text = l10n_util::GetStringUTF16(
IDS_ASH_LOGIN_FINGERPRINT_UNLOCK_DISABLED_FROM_TIMEOUT);
auto* label = new views::Label(error_text);
label->SetAutoColorReadabilityEnabled(false);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label->SetEnabledColor(SK_ColorWHITE);
label->SetSubpixelRenderingEnabled(false);
const gfx::FontList& base_font_list = views::Label::GetDefaultFontList();
label->SetFontList(base_font_list.Derive(0, gfx::Font::FontStyle::NORMAL,
gfx::Font::Weight::NORMAL));
label->SetMultiLine(true);
label->SetAllowCharacterBreak(true);
// Make sure to set a maximum label width, otherwise text wrapping will
// significantly increase width and layout may not work correctly if
// the input string is very long.
label->SetMaximumWidth(
big_view->auth_user()->password_view()->GetPreferredSize().width());
auto* container = new NonAccessibleView();
container->SetLayoutManager(
std::make_unique<views::BoxLayout>(views::BoxLayout::kVertical));
container->AddChildView(label);
auth_error_bubble_->SetAnchorView(big_view->auth_user()->password_view());
auth_error_bubble_->SetContent(container);
auth_error_bubble_->SetPersistent(true);
auth_error_bubble_->Show();
}
}
void LockContentsView::OnFingerprintAuthResult(const AccountId& account_id,
bool success) {
// Make sure the display backlight is not forced off if there is a fingerprint
// authentication attempt. If the display backlight is off, then the device
// will authenticate and dismiss the lock screen but it will not be visible to
// the user.
Shell::Get()->power_button_controller()->StopForcingBacklightsOff();
// |account_id| comes from IPC, make sure it refers to a valid user. The
// fingerprint scan could have also happened while switching users, so the
// associated account is no longer a big user.
LoginBigUserView* big_view =
TryToFindBigUser(account_id, true /*require_auth_active*/);
if (!big_view || !big_view->auth_user())
return;
big_view->auth_user()->NotifyFingerprintAuthResult(success);
}
void LockContentsView::OnAuthEnabledForUserChanged(
const AccountId& user,
bool enabled,
const base::Optional<base::Time>& auth_reenabled_time) {
LockContentsView::UserState* state = FindStateForUser(user);
if (!state) {
LOG(ERROR) << "Unable to find user when changing auth enabled state to "
<< enabled;
return;
}
DCHECK(enabled || auth_reenabled_time);
state->disable_auth = !enabled;
disable_lock_screen_note_ = state->disable_auth;
OnLockScreenNoteStateChanged(
disable_lock_screen_note_
? mojom::TrayActionState::kNotAvailable
: Shell::Get()->tray_action()->GetLockScreenNoteState());
LoginBigUserView* big_user =
TryToFindBigUser(user, true /*require_auth_active*/);
if (big_user && big_user->auth_user()) {
LayoutAuth(big_user, nullptr /*opt_to_hide*/, true /*animate*/);
if (auth_reenabled_time)
big_user->auth_user()->SetAuthReenabledTime(auth_reenabled_time.value());
}
}
void LockContentsView::OnTapToUnlockEnabledForUserChanged(const AccountId& user,
bool enabled) {
LockContentsView::UserState* state = FindStateForUser(user);
if (!state) {
LOG(ERROR) << "Unable to find user enabling click to auth";
return;
}
state->enable_tap_auth = enabled;
LoginBigUserView* big_user =
TryToFindBigUser(user, true /*require_auth_active*/);
if (big_user && big_user->auth_user())
LayoutAuth(big_user, nullptr /*opt_to_hide*/, true /*animate*/);
}
void LockContentsView::OnForceOnlineSignInForUser(const AccountId& user) {
LockContentsView::UserState* state = FindStateForUser(user);
if (!state) {
LOG(ERROR) << "Unable to find user forcing online sign in";
return;
}
state->force_online_sign_in = true;
LoginBigUserView* big_user =
TryToFindBigUser(user, true /*require_auth_active*/);
if (big_user && big_user->auth_user())
LayoutAuth(big_user, nullptr /*opt_to_hide*/, true /*animate*/);
}
void LockContentsView::OnShowEasyUnlockIcon(
const AccountId& user,
const mojom::EasyUnlockIconOptionsPtr& icon) {
UserState* state = FindStateForUser(user);
if (!state)
return;
state->easy_unlock_state = icon->Clone();
UpdateEasyUnlockIconForUser(user);
// Show tooltip only if the user is actively showing auth.
LoginBigUserView* big_user =
TryToFindBigUser(user, true /*require_auth_active*/);
if (!big_user || !big_user->auth_user())
return;
if (tooltip_bubble_->visible())
tooltip_bubble_->Hide();
if (icon->autoshow_tooltip) {
tooltip_bubble_->SetAnchorView(big_user->auth_user()->password_view());
tooltip_bubble_->SetText(icon->tooltip);
tooltip_bubble_->Show();
tooltip_bubble_->SetVisible(true);
}
}
void LockContentsView::OnShowWarningBanner(const base::string16& message) {
DCHECK(!message.empty());
if (!CurrentBigUserView() || !CurrentBigUserView()->auth_user()) {
LOG(ERROR) << "Unable to find the current active big user to show a "
"warning banner.";
return;
}
if (warning_banner_bubble_->visible())
warning_banner_bubble_->Hide();
// Shows warning banner as a persistent error bubble.
views::Label* label =
new views::Label(message, views::style::CONTEXT_MESSAGE_BOX_BODY_TEXT,
views::style::STYLE_PRIMARY);
label->SetMultiLine(true);
label->SetAutoColorReadabilityEnabled(false);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label->SetEnabledColor(SK_ColorWHITE);
warning_banner_bubble_->SetAnchorView(
CurrentBigUserView()->auth_user()->password_view());
warning_banner_bubble_->SetContent(label);
warning_banner_bubble_->Show();
}
void LockContentsView::OnHideWarningBanner() {
if (warning_banner_bubble_->visible())
warning_banner_bubble_->Hide();
}
void LockContentsView::OnLockScreenNoteStateChanged(
mojom::TrayActionState state) {
if (disable_lock_screen_note_)
state = mojom::TrayActionState::kNotAvailable;
bool old_lock_screen_apps_active = lock_screen_apps_active_;
lock_screen_apps_active_ = state == mojom::TrayActionState::kActive;
note_action_->UpdateVisibility(state);
LayoutTopHeader();
// If lock screen apps just got deactivated - request focus for primary auth,
// which should focus the password field.
if (old_lock_screen_apps_active && !lock_screen_apps_active_ &&
primary_big_view_) {
primary_big_view_->RequestFocus();
}
}
void LockContentsView::OnSystemInfoChanged(
bool show,
const std::string& os_version_label_text,
const std::string& enterprise_info_text,
const std::string& bluetooth_name) {
DCHECK(!os_version_label_text.empty() || !enterprise_info_text.empty() ||
!bluetooth_name.empty());
// Helper function to create a label for the system info view.
auto create_info_label = []() -> views::Label* {
views::Label* label = new views::Label();
label->SetAutoColorReadabilityEnabled(false);
label->SetEnabledColor(SK_ColorWHITE);
label->SetFontList(views::Label::GetDefaultFontList().Derive(
-1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
label->SetSubpixelRenderingEnabled(false);
return label;
};
// Initialize the system info view.
if (system_info_->child_count() == 0) {
for (int i = 0; i < 3; ++i)
system_info_->AddChildView(create_info_label());
}
if (::features::IsSingleProcessMash())
system_info_->AddChildView(create_info_label());
if (show)
system_info_->SetVisible(true);
auto update_label = [&](int index, const std::string& text) {
views::Label* label =
static_cast<views::Label*>(system_info_->child_at(index));
label->SetText(base::UTF8ToUTF16(text));
label->SetVisible(!text.empty());
};
update_label(0, os_version_label_text);
update_label(1, enterprise_info_text);
update_label(2, bluetooth_name);
if (::features::IsSingleProcessMash())
update_label(3, "SingleProcessMash");
LayoutTopHeader();
}
void LockContentsView::OnPublicSessionDisplayNameChanged(
const AccountId& account_id,
const std::string& display_name) {
LoginUserView* user_view = TryToFindUserView(account_id);
if (!user_view || !IsPublicAccountUser(user_view->current_user()))
return;
mojom::LoginUserInfoPtr user_info = user_view->current_user()->Clone();
user_info->basic_user_info->display_name = display_name;
user_view->UpdateForUser(user_info, false /*animate*/);
}
void LockContentsView::OnPublicSessionLocalesChanged(
const AccountId& account_id,
const std::vector<mojom::LocaleItemPtr>& locales,
const std::string& default_locale,
bool show_advanced_view) {
LoginUserView* user_view = TryToFindUserView(account_id);
if (!user_view || !IsPublicAccountUser(user_view->current_user()))
return;
mojom::LoginUserInfoPtr user_info = user_view->current_user()->Clone();
user_info->public_account_info->available_locales = mojo::Clone(locales);
user_info->public_account_info->default_locale = default_locale;
user_info->public_account_info->show_advanced_view = show_advanced_view;
user_view->UpdateForUser(user_info, false /*animate*/);
}
void LockContentsView::OnPublicSessionKeyboardLayoutsChanged(
const AccountId& account_id,
const std::string& locale,
const std::vector<mojom::InputMethodItemPtr>& keyboard_layouts) {
// Update expanded view because keyboard layouts is user interactive content.
// I.e. user selects a language locale and the corresponding keyboard layouts
// will be changed.
if (expanded_view_->visible() &&
expanded_view_->current_user()->basic_user_info->account_id ==
account_id) {
mojom::LoginUserInfoPtr user_info = expanded_view_->current_user()->Clone();
user_info->public_account_info->default_locale = locale;
user_info->public_account_info->keyboard_layouts =
mojo::Clone(keyboard_layouts);
expanded_view_->UpdateForUser(user_info);
}
LoginUserView* user_view = TryToFindUserView(account_id);
if (!user_view || !IsPublicAccountUser(user_view->current_user())) {
LOG(ERROR) << "Unable to find public account user.";
return;
}
mojom::LoginUserInfoPtr user_info = user_view->current_user()->Clone();
// Skip updating keyboard layouts if |locale| is not the default locale
// of the user. I.e. user changed the default locale in the expanded view,
// and it should be handled by expanded view.
if (user_info->public_account_info->default_locale != locale)
return;
user_info->public_account_info->keyboard_layouts =
mojo::Clone(keyboard_layouts);
user_view->UpdateForUser(user_info, false /*animate*/);
}
void LockContentsView::OnPublicSessionShowFullManagementDisclosureChanged(
bool show_full_management_disclosure) {
expanded_view_->SetShowFullManagementDisclosure(
show_full_management_disclosure);
}
void LockContentsView::OnDetachableBasePairingStatusChanged(
DetachableBasePairingStatus pairing_status) {
// If the current big user is public account user, or the base is not paired,
// or the paired base matches the last used by the current user, the
// detachable base error bubble should be hidden. Otherwise, the bubble should
// be shown.
if (!CurrentBigUserView() || !CurrentBigUserView()->auth_user() ||
pairing_status == DetachableBasePairingStatus::kNone ||
(pairing_status == DetachableBasePairingStatus::kAuthenticated &&
detachable_base_model_->PairedBaseMatchesLastUsedByUser(
*CurrentBigUserView()->GetCurrentUser()->basic_user_info))) {
if (detachable_base_error_bubble_->visible())
detachable_base_error_bubble_->Hide();
return;
}
if (auth_error_bubble_->visible())
auth_error_bubble_->Hide();
base::string16 error_text =
l10n_util::GetStringUTF16(IDS_ASH_LOGIN_ERROR_DETACHABLE_BASE_CHANGED);
views::Label* label =
new views::Label(error_text, views::style::CONTEXT_MESSAGE_BOX_BODY_TEXT,
views::style::STYLE_PRIMARY);
label->SetMultiLine(true);
label->SetAutoColorReadabilityEnabled(false);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label->SetEnabledColor(SK_ColorWHITE);
detachable_base_error_bubble_->SetContent(label);
detachable_base_error_bubble_->SetAnchorView(
CurrentBigUserView()->auth_user()->password_view());
detachable_base_error_bubble_->Show();
// Remove the focus from the password field, to make user less likely to enter
// the password without seeing the warning about detachable base change.
if (GetWidget()->IsActive())
GetWidget()->GetFocusManager()->ClearFocus();
}
void LockContentsView::OnSetShowParentAccessDialog(bool show) {
if (!primary_big_view_)
return;
if (show) {
primary_big_view_->ShowParentAccessView();
} else {
primary_big_view_->HideParentAccessView();
}
Layout();
}
void LockContentsView::SetAvatarForUser(const AccountId& account_id,
const mojom::UserAvatarPtr& avatar) {
auto replace = [&](const mojom::LoginUserInfoPtr& user) {
auto changed = user->Clone();
changed->basic_user_info->avatar = avatar->Clone();
return changed;
};
LoginBigUserView* big =
TryToFindBigUser(account_id, false /*require_auth_active*/);
if (big) {
big->UpdateForUser(replace(big->GetCurrentUser()));
return;
}
LoginUserView* user =
users_list_ ? users_list_->GetUserView(account_id) : nullptr;
if (user) {
user->UpdateForUser(replace(user->current_user()), false /*animate*/);
return;
}
}
void LockContentsView::OnFocusLeavingLockScreenApps(bool reverse) {
if (!reverse || lock_screen_apps_active_)
FocusNextWidget(reverse);
else
FocusFirstOrLastFocusableChild(this, reverse);
}
void LockContentsView::OnOobeDialogStateChanged(mojom::OobeDialogState state) {
if (state == mojom::OobeDialogState::HIDDEN && primary_big_view_)
primary_big_view_->RequestFocus();
}
void LockContentsView::OnFocusLeavingSystemTray(bool reverse) {
// This function is called when the system tray is losing focus. We want to
// focus the first or last child in this view, or a lock screen app window if
// one is active (in which case lock contents should not have focus). In the
// later case, still focus lock screen first, to synchronously take focus away
// from the system shelf (or tray) - lock shelf view expect the focus to be
// taken when it passes it to lock screen view, and can misbehave in case the
// focus is kept in it.
FocusFirstOrLastFocusableChild(this, reverse);
if (lock_screen_apps_active_) {
Shell::Get()->login_screen_controller()->FocusLockScreenApps(reverse);
return;
}
}
void LockContentsView::OnDisplayMetricsChanged(const display::Display& display,
uint32_t changed_metrics) {
// Ignore all metrics except for those listed in |filter|.
uint32_t filter = DISPLAY_METRIC_BOUNDS | DISPLAY_METRIC_WORK_AREA |
DISPLAY_METRIC_DEVICE_SCALE_FACTOR |
DISPLAY_METRIC_ROTATION;
if ((filter & changed_metrics) == 0)
return;
DoLayout();
}
void LockContentsView::OnLockStateChanged(bool locked) {
if (!locked) {
// Successfully unlock the screen.
Shell::Get()->metrics()->login_metrics_recorder()->RecordNumLoginAttempts(
unlock_attempt_, true /*success*/);
unlock_attempt_ = 0;
}
}
void LockContentsView::OnKeyboardVisibilityStateChanged(bool is_visible) {
if (!primary_big_view_ || keyboard_shown_ == is_visible)
return;
keyboard_shown_ = is_visible;
LayoutAuth(CurrentBigUserView(), nullptr /*opt_to_hide*/, false /*animate*/);
}
void LockContentsView::SuspendImminent(
power_manager::SuspendImminent::Reason reason) {
LoginBigUserView* big_user = CurrentBigUserView();
if (big_user && big_user->auth_user())
big_user->auth_user()->password_view()->Clear();
}
void LockContentsView::ShowAuthErrorMessageForDebug(int unlock_attempt) {
unlock_attempt_ = unlock_attempt;
ShowAuthErrorMessage();
}
void LockContentsView::FocusNextWidget(bool reverse) {
Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
// Tell the focus direction to the status area or the shelf so they can focus
// the correct child view.
if (reverse) {
shelf->GetStatusAreaWidget()
->status_area_widget_delegate()
->set_default_last_focusable_child(reverse);
Shell::Get()->focus_cycler()->FocusWidget(shelf->GetStatusAreaWidget());
} else {
shelf->shelf_widget()->set_default_last_focusable_child(reverse);
Shell::Get()->focus_cycler()->FocusWidget(shelf->shelf_widget());
}
}
void LockContentsView::CreateLowDensityLayout(
const std::vector<mojom::LoginUserInfoPtr>& users) {
DCHECK_LE(users.size(), 2u);
main_view_->AddChildView(primary_big_view_);
if (users.size() > 1) {
// Space between primary user and secondary user.
auto* spacing_middle = new NonAccessibleView();
main_view_->AddChildView(spacing_middle);
// Build secondary auth user.
opt_secondary_big_view_ =
AllocateLoginBigUserView(users[1], false /*is_primary*/);
main_view_->AddChildView(opt_secondary_big_view_);
// Set |spacing_middle| to the correct size. If there is less spacing
// available than desired, use up to the available.
AddDisplayLayoutAction(base::BindRepeating(
[](views::View* host_view, views::View* big_user_view,
views::View* spacing_middle, views::View* secondary_big_view,
bool landscape) {
int total_width = host_view->GetPreferredSize().width();
int available_width =
total_width - (big_user_view->GetPreferredSize().width() +
secondary_big_view->GetPreferredSize().width());
if (available_width <= 0) {
SetPreferredWidthForView(spacing_middle, 0);
return;
}
int desired_width = landscape
? kLowDensityDistanceBetweenUsersInLandscapeDp
: kLowDensityDistanceBetweenUsersInPortraitDp;
SetPreferredWidthForView(spacing_middle,
std::min(available_width, desired_width));
},
this, primary_big_view_, spacing_middle, opt_secondary_big_view_));
}
}
void LockContentsView::CreateMediumDensityLayout(
const std::vector<mojom::LoginUserInfoPtr>& users) {
// Here is a diagram of this layout:
//
// a A x B y b
//
// a, A: spacing_left
// x: primary_big_view_
// B: spacing_middle
// y: users_list_
// b: spacing_right
//
// A and B are fixed-width spaces; a and b are flexible space that consume any
// additional width.
//
// A and B are the reason for custom layout; no layout manager currently
// supports a fixed-width view that can shrink, but not grow (ie, bounds from
// [0,x]). Custom layout logic is used instead, which is contained inside of
// the AddDisplayLayoutAction call below.
// Construct instances.
auto* spacing_left = new NonAccessibleView();
auto* spacing_middle = new NonAccessibleView();
auto* spacing_right = new NonAccessibleView();
users_list_ = BuildScrollableUsersListView(users, LoginDisplayStyle::kSmall);
// Add views as described above.
main_view_->AddChildView(spacing_left);
main_view_->AddChildView(primary_big_view_);
main_view_->AddChildView(spacing_middle);
main_view_->AddChildView(users_list_);
main_view_->AddChildView(spacing_right);
// Set width for the |spacing_*| views.
AddDisplayLayoutAction(base::BindRepeating(
[](views::View* host_view, views::View* big_user_view,
views::View* users_list, views::View* spacing_left,
views::View* spacing_middle, views::View* spacing_right,
bool landscape) {
int total_width = host_view->GetPreferredSize().width();
int available_width =
total_width - (big_user_view->GetPreferredSize().width() +
users_list->GetPreferredSize().width());
int left_max_fixed_width =
landscape ? kMediumDensityMarginLeftOfAuthUserLandscapeDp
: kMediumDensityMarginLeftOfAuthUserPortraitDp;
int right_max_fixed_width =
landscape ? kMediumDensityDistanceBetweenAuthUserAndUsersLandscapeDp
: kMediumDensityDistanceBetweenAuthUserAndUsersPortraitDp;
int left_flex_weight = landscape ? 1 : 2;
int right_flex_weight = 1;
MediumViewLayout medium_layout(
available_width, left_flex_weight, left_max_fixed_width,
right_max_fixed_width, right_flex_weight);
SetPreferredWidthForView(
spacing_left,
medium_layout.left_flex_width + medium_layout.left_fixed_width);
SetPreferredWidthForView(spacing_middle,
medium_layout.right_fixed_width);
SetPreferredWidthForView(spacing_right, medium_layout.right_flex_width);
},
this, primary_big_view_, users_list_, spacing_left, spacing_middle,
spacing_right));
}
void LockContentsView::CreateHighDensityLayout(
const std::vector<mojom::LoginUserInfoPtr>& users,
views::BoxLayout* main_layout) {
// Insert spacing before the auth view.
auto* fill = new NonAccessibleView();
main_view_->AddChildView(fill);
main_layout->SetFlexForView(fill, 1);
main_view_->AddChildView(primary_big_view_);
// Insert spacing after the auth view.
fill = new NonAccessibleView();
main_view_->AddChildView(fill);
main_layout->SetFlexForView(fill, 1);
users_list_ =
BuildScrollableUsersListView(users, LoginDisplayStyle::kExtraSmall);
main_view_->AddChildView(users_list_);
// User list size may change after a display metric change.
AddDisplayLayoutAction(base::BindRepeating(
[](views::View* view, bool landscape) { view->SizeToPreferredSize(); },
users_list_));
}
void LockContentsView::DoLayout() {
const display::Display& display =
display::Screen::GetScreen()->GetDisplayNearestWindow(
GetWidget()->GetNativeWindow());
// Set preferred size before running layout actions, as layout actions may
// depend on the preferred size to determine layout.
SetPreferredSize(display.size());
bool landscape = login_views_utils::ShouldShowLandscape(GetWidget());
for (auto& action : layout_actions_)
action.Run(landscape);
// SizeToPreferredSize will call Layout().
SizeToPreferredSize();
}
void LockContentsView::LayoutTopHeader() {
int preferred_width = system_info_->GetPreferredSize().width() +
note_action_->GetPreferredSize().width();
int preferred_height = std::max(system_info_->GetPreferredSize().height(),
note_action_->GetPreferredSize().height());
top_header_->SetPreferredSize(gfx::Size(preferred_width, preferred_height));
top_header_->SizeToPreferredSize();
top_header_->Layout();
// Position the top header - the origin is offset to the left from the top
// right corner of the entire view by the width of this top header view.
top_header_->SetPosition(GetLocalBounds().top_right() -
gfx::Vector2d(preferred_width, 0));
}
void LockContentsView::LayoutPublicSessionView() {
gfx::Rect bounds = GetContentsBounds();
bounds.ClampToCenteredSize(expanded_view_->GetPreferredSize());
expanded_view_->SetBoundsRect(bounds);
}
void LockContentsView::AddDisplayLayoutAction(
const DisplayLayoutAction& layout_action) {
layout_action.Run(login_views_utils::ShouldShowLandscape(GetWidget()));
layout_actions_.push_back(layout_action);
}
void LockContentsView::SwapActiveAuthBetweenPrimaryAndSecondary(
bool is_primary) {
// Do not allow user-swap during authentication.
if (Shell::Get()->login_screen_controller()->IsAuthenticating())
return;
if (is_primary) {
if (!primary_big_view_->IsAuthEnabled()) {
LayoutAuth(primary_big_view_, opt_secondary_big_view_, true /*animate*/);
OnBigUserChanged();
} else {
primary_big_view_->RequestFocus();
}
} else if (!is_primary && opt_secondary_big_view_) {
if (!opt_secondary_big_view_->IsAuthEnabled()) {
LayoutAuth(opt_secondary_big_view_, primary_big_view_, true /*animate*/);
OnBigUserChanged();
} else {
opt_secondary_big_view_->RequestFocus();
}
}
}
void LockContentsView::OnAuthenticate(bool auth_success) {
if (auth_success) {
if (auth_error_bubble_->visible())
auth_error_bubble_->Hide();
if (detachable_base_error_bubble_->visible())
detachable_base_error_bubble_->Hide();
// Now that the user has been authenticated, update the user's last used
// detachable base (if one is attached). This will prevent further
// detachable base change notifications from appearing for this base (until
// the user uses another detachable base).
if (CurrentBigUserView()->auth_user() &&
detachable_base_model_->GetPairingStatus() ==
DetachableBasePairingStatus::kAuthenticated) {
detachable_base_model_->SetPairedBaseAsLastUsedByUser(
*CurrentBigUserView()->GetCurrentUser()->basic_user_info);
}
} else {
++unlock_attempt_;
ShowAuthErrorMessage();
}
}
LockContentsView::UserState* LockContentsView::FindStateForUser(
const AccountId& user) {
for (UserState& state : users_) {
if (state.account_id == user)
return &state;
}
return nullptr;
}
void LockContentsView::LayoutAuth(LoginBigUserView* to_update,
LoginBigUserView* opt_to_hide,
bool animate) {
DCHECK(to_update);
auto capture_animation_state_pre_layout = [&](LoginBigUserView* view) {
if (!animate || !view)
return;
if (view->auth_user())
view->auth_user()->CaptureStateForAnimationPreLayout();
};
auto enable_auth = [&](LoginBigUserView* view) {
DCHECK(view);
if (view->auth_user()) {
UserState* state = FindStateForUser(
view->auth_user()->current_user()->basic_user_info->account_id);
uint32_t to_update_auth;
if (state->force_online_sign_in) {
to_update_auth = LoginAuthUserView::AUTH_ONLINE_SIGN_IN;
} else if (state->disable_auth) {
to_update_auth = LoginAuthUserView::AUTH_DISABLED;
} else {
to_update_auth = LoginAuthUserView::AUTH_PASSWORD;
// Need to check |GetKeyboardControllerForView| as the keyboard may be
// visible, but the keyboard is in a different root window or the view
// has not been added to the widget. In these cases, the keyboard does
// not interfere with PIN entry.
const bool is_keyboard_visible_for_view =
GetKeyboardControllerForView() ? keyboard_shown_ : false;
if (state->show_pin && !is_keyboard_visible_for_view)
to_update_auth |= LoginAuthUserView::AUTH_PIN;
if (state->enable_tap_auth)
to_update_auth |= LoginAuthUserView::AUTH_TAP;
if (state->fingerprint_state != mojom::FingerprintState::UNAVAILABLE &&
state->fingerprint_state !=
mojom::FingerprintState::DISABLED_FROM_TIMEOUT) {
to_update_auth |= LoginAuthUserView::AUTH_FINGERPRINT;
}
// External binary based authentication is only available for unlock.
if (screen_type_ == LockScreen::ScreenType::kLock &&
base::FeatureList::IsEnabled(features::kUnlockWithExternalBinary)) {
to_update_auth |= LoginAuthUserView::AUTH_EXTERNAL_BINARY;
}
}
view->auth_user()->SetAuthMethods(to_update_auth, state->show_pin);
} else if (view->public_account()) {
view->public_account()->SetAuthEnabled(true /*enabled*/, animate);
}
};
auto disable_auth = [&](LoginBigUserView* view) {
if (!view)
return;
if (view->auth_user()) {
view->auth_user()->SetAuthMethods(LoginAuthUserView::AUTH_NONE,
false /*can_use_pin*/);
} else if (view->public_account()) {
view->public_account()->SetAuthEnabled(false /*enabled*/, animate);
}
};
auto apply_animation_post_layout = [&](LoginBigUserView* view) {
if (!animate || !view)
return;
if (view->auth_user())
view->auth_user()->ApplyAnimationPostLayout();
};
// The high-level layout flow:
capture_animation_state_pre_layout(to_update);
capture_animation_state_pre_layout(opt_to_hide);
enable_auth(to_update);
disable_auth(opt_to_hide);
Layout();
apply_animation_post_layout(to_update);
apply_animation_post_layout(opt_to_hide);
}
void LockContentsView::SwapToBigUser(int user_index) {
// Do not allow user-swap during authentication.
if (Shell::Get()->login_screen_controller()->IsAuthenticating())
return;
DCHECK(users_list_);
LoginUserView* view = users_list_->user_view_at(user_index);
DCHECK(view);
mojom::LoginUserInfoPtr previous_big_user =
primary_big_view_->GetCurrentUser()->Clone();
mojom::LoginUserInfoPtr new_big_user = view->current_user()->Clone();
view->UpdateForUser(previous_big_user, true /*animate*/);
primary_big_view_->UpdateForUser(new_big_user);
LayoutAuth(primary_big_view_, nullptr, true /*animate*/);
OnBigUserChanged();
}
void LockContentsView::OnRemoveUserWarningShown(bool is_primary) {
Shell::Get()->login_screen_controller()->OnRemoveUserWarningShown();
}
void LockContentsView::RemoveUser(bool is_primary) {
// Do not allow removing a user during authentication, such as if the user
// tried to remove the currently authenticating user.
if (Shell::Get()->login_screen_controller()->IsAuthenticating())
return;
LoginBigUserView* to_remove =
is_primary ? primary_big_view_ : opt_secondary_big_view_;
DCHECK(to_remove->GetCurrentUser()->can_remove);
AccountId user = to_remove->GetCurrentUser()->basic_user_info->account_id;
// Ask chrome to remove the user.
Shell::Get()->login_screen_controller()->RemoveUser(user);
// Display the new user list less |user|.
std::vector<mojom::LoginUserInfoPtr> new_users;
if (!is_primary)
new_users.push_back(primary_big_view_->GetCurrentUser()->Clone());
if (is_primary && opt_secondary_big_view_)
new_users.push_back(opt_secondary_big_view_->GetCurrentUser()->Clone());
if (users_list_) {
for (int i = 0; i < users_list_->user_count(); ++i) {
new_users.push_back(
users_list_->user_view_at(i)->current_user()->Clone());
}
}
data_dispatcher_->NotifyUsers(new_users);
}
void LockContentsView::OnBigUserChanged() {
const mojom::LoginUserInfoPtr& big_user =
CurrentBigUserView()->GetCurrentUser();
const AccountId big_user_account_id = big_user->basic_user_info->account_id;
CurrentBigUserView()->RequestFocus();
Shell::Get()->login_screen_controller()->OnFocusPod(big_user_account_id);
UpdateEasyUnlockIconForUser(big_user_account_id);
if (unlock_attempt_ > 0) {
// Times a password was incorrectly entered until user gives up (change
// user pod).
Shell::Get()->metrics()->login_metrics_recorder()->RecordNumLoginAttempts(
unlock_attempt_, false /*success*/);
// Reset unlock attempt when the auth user changes.
unlock_attempt_ = 0;
}
// http://crbug/866790: After Supervised Users are deprecated, remove this.
if (ash::features::IsSupervisedUserDeprecationNoticeEnabled() &&
big_user->basic_user_info->type == user_manager::USER_TYPE_SUPERVISED) {
base::string16 message = l10n_util::GetStringUTF16(
IDS_ASH_LOGIN_POD_LEGACY_SUPERVISED_EXPIRATION_WARNING);
// Shows supervised user deprecation message as a persistent error bubble.
views::Label* label =
new views::Label(message, views::style::CONTEXT_MESSAGE_BOX_BODY_TEXT,
views::style::STYLE_PRIMARY);
label->SetMultiLine(true);
label->SetAutoColorReadabilityEnabled(false);
label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label->SetEnabledColor(SK_ColorWHITE);
supervised_user_deprecation_bubble_->SetContent(label);
supervised_user_deprecation_bubble_->SetAnchorView(
CurrentBigUserView()->auth_user()->password_view());
supervised_user_deprecation_bubble_->Show();
} else if (supervised_user_deprecation_bubble_->visible()) {
supervised_user_deprecation_bubble_->Hide();
}
// The new auth user might have different last used detachable base - make
// sure the detachable base pairing error is updated if needed.
OnDetachableBasePairingStatusChanged(
detachable_base_model_->GetPairingStatus());
if (!detachable_base_error_bubble_->visible())
CurrentBigUserView()->RequestFocus();
}
void LockContentsView::UpdateEasyUnlockIconForUser(const AccountId& user) {
// Try to find an big view for |user|. If there is none, there is no state to
// update.
LoginBigUserView* big_view =
TryToFindBigUser(user, false /*require_auth_active*/);
if (!big_view || !big_view->auth_user())
return;
UserState* state = FindStateForUser(user);
DCHECK(state);
// Hide easy unlock icon if there is no data is available.
if (!state->easy_unlock_state) {
big_view->auth_user()->SetEasyUnlockIcon(mojom::EasyUnlockIconId::NONE,
base::string16());
return;
}
// TODO(jdufault): Make easy unlock backend always send aria_label, right now
// it is only sent if there is no tooltip.
base::string16 accessibility_label = state->easy_unlock_state->aria_label;
if (accessibility_label.empty())
accessibility_label = state->easy_unlock_state->tooltip;
big_view->auth_user()->SetEasyUnlockIcon(state->easy_unlock_state->icon,
accessibility_label);
}
LoginBigUserView* LockContentsView::CurrentBigUserView() {
if (opt_secondary_big_view_ && opt_secondary_big_view_->IsAuthEnabled()) {
DCHECK(!primary_big_view_->IsAuthEnabled());
return opt_secondary_big_view_;
}
return primary_big_view_;
}
void LockContentsView::ShowAuthErrorMessage() {
LoginBigUserView* big_view = CurrentBigUserView();
if (!big_view->auth_user())
return;
// Show gaia signin if this is login and the user has failed too many times.
if (screen_type_ == LockScreen::ScreenType::kLogin &&
unlock_attempt_ >= kLoginAttemptsBeforeGaiaDialog) {
Shell::Get()->login_screen_controller()->ShowGaiaSignin(
true /*can_close*/,
big_view->auth_user()->current_user()->basic_user_info->account_id);
return;
}
base::string16 error_text = l10n_util::GetStringUTF16(
unlock_attempt_ > 1 ? IDS_ASH_LOGIN_ERROR_AUTHENTICATING_2ND_TIME
: IDS_ASH_LOGIN_ERROR_AUTHENTICATING);
ImeController* ime_controller = Shell::Get()->ime_controller();
if (ime_controller->IsCapsLockEnabled()) {
error_text += base::ASCIIToUTF16(" ") +
l10n_util::GetStringUTF16(IDS_ASH_LOGIN_ERROR_CAPS_LOCK_HINT);
}
base::Optional<int> bold_start;
int bold_length = 0;
// Display a hint to switch keyboards if there are other active input
// methods in clamshell mode.
if (ime_controller->available_imes().size() > 1 && !IsTabletMode()) {
error_text += base::ASCIIToUTF16(" ");
bold_start = error_text.length();
base::string16 shortcut =
l10n_util::GetStringUTF16(IDS_ASH_LOGIN_KEYBOARD_SWITCH_SHORTCUT);
bold_length = shortcut.length();
size_t shortcut_offset_in_string;
error_text +=
l10n_util::GetStringFUTF16(IDS_ASH_LOGIN_ERROR_KEYBOARD_SWITCH_HINT,
shortcut, &shortcut_offset_in_string);
*bold_start += shortcut_offset_in_string;
}
views::StyledLabel* label = new views::StyledLabel(error_text, this);
MakeSectionBold(label, error_text, bold_start, bold_length);
label->set_auto_color_readability_enabled(false);
auto* learn_more_button = new AuthErrorLearnMoreButton(auth_error_bubble_);
auto* container = new NonAccessibleView(kAuthErrorContainerName);
container->SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::kVertical, gfx::Insets(),
kLearnMoreButtonVerticalSpacingDp));
container->AddChildView(label);
container->AddChildView(learn_more_button);
auth_error_bubble_->SetAnchorView(big_view->auth_user()->password_view());
auth_error_bubble_->SetContent(container);
auth_error_bubble_->SetPersistent(false);
auth_error_bubble_->Show();
}
void LockContentsView::OnEasyUnlockIconHovered() {
LoginBigUserView* big_view = CurrentBigUserView();
if (!big_view->auth_user())
return;
UserState* state =
FindStateForUser(big_view->GetCurrentUser()->basic_user_info->account_id);
DCHECK(state);
mojom::EasyUnlockIconOptionsPtr& easy_unlock_state = state->easy_unlock_state;
DCHECK(easy_unlock_state);
if (!easy_unlock_state->tooltip.empty()) {
tooltip_bubble_->SetAnchorView(big_view->auth_user()->password_view());
tooltip_bubble_->SetText(easy_unlock_state->tooltip);
tooltip_bubble_->Show();
}
}
void LockContentsView::OnEasyUnlockIconTapped() {
UserState* state = FindStateForUser(
CurrentBigUserView()->GetCurrentUser()->basic_user_info->account_id);
DCHECK(state);
mojom::EasyUnlockIconOptionsPtr& easy_unlock_state = state->easy_unlock_state;
DCHECK(easy_unlock_state);
if (easy_unlock_state->hardlock_on_click) {
AccountId user =
CurrentBigUserView()->GetCurrentUser()->basic_user_info->account_id;
Shell::Get()->login_screen_controller()->HardlockPod(user);
// TODO(jdufault): This should get called as a result of HardlockPod.
OnTapToUnlockEnabledForUserChanged(user, false /*enabled*/);
}
}
void LockContentsView::OnParentAccessValidationFinished(bool access_granted) {
OnSetShowParentAccessDialog(false);
}
keyboard::KeyboardController* LockContentsView::GetKeyboardControllerForView()
const {
return GetWidget() ? GetKeyboardControllerForWidget(GetWidget()) : nullptr;
}
void LockContentsView::OnPublicAccountTapped(bool is_primary) {
const LoginBigUserView* user = CurrentBigUserView();
// If the pod should not show an expanded view, tapping on it will launch
// Public Session immediately.
if (!user->GetCurrentUser()->public_account_info->show_expanded_view) {
std::string default_input_method;
for (const auto& keyboard :
user->GetCurrentUser()->public_account_info->keyboard_layouts) {
if (keyboard->selected) {
default_input_method = keyboard->ime_id;
break;
}
}
Shell::Get()->login_screen_controller()->LaunchPublicSession(
user->GetCurrentUser()->basic_user_info->account_id,
user->GetCurrentUser()->public_account_info->default_locale,
default_input_method);
return;
}
// Set the public account user to be the active user.
SwapActiveAuthBetweenPrimaryAndSecondary(is_primary);
// Update expanded_view_ in case CurrentBigUserView has changed.
// 1. It happens when the active big user is changed. For example both
// primary and secondary big user are public account and user switches from
// primary to secondary.
// 2. LoginUserInfo in the big user could be changed if we get updates from
// OnPublicSessionDisplayNameChanged and OnPublicSessionLocalesChanged.
expanded_view_->UpdateForUser(user->GetCurrentUser());
SetDisplayStyle(DisplayStyle::kExclusivePublicAccountExpandedView);
}
LoginBigUserView* LockContentsView::AllocateLoginBigUserView(
const mojom::LoginUserInfoPtr& user,
bool is_primary) {
LoginAuthUserView::Callbacks auth_user_callbacks;
auth_user_callbacks.on_auth = base::BindRepeating(
&LockContentsView::OnAuthenticate, base::Unretained(this)),
auth_user_callbacks.on_tap = base::BindRepeating(
&LockContentsView::SwapActiveAuthBetweenPrimaryAndSecondary,
base::Unretained(this), is_primary),
auth_user_callbacks.on_remove_warning_shown =
base::BindRepeating(&LockContentsView::OnRemoveUserWarningShown,
base::Unretained(this), is_primary);
auth_user_callbacks.on_remove = base::BindRepeating(
&LockContentsView::RemoveUser, base::Unretained(this), is_primary);
auth_user_callbacks.on_easy_unlock_icon_hovered = base::BindRepeating(
&LockContentsView::OnEasyUnlockIconHovered, base::Unretained(this));
auth_user_callbacks.on_easy_unlock_icon_tapped = base::BindRepeating(
&LockContentsView::OnEasyUnlockIconTapped, base::Unretained(this));
LoginPublicAccountUserView::Callbacks public_account_callbacks;
public_account_callbacks.on_tap = auth_user_callbacks.on_tap;
public_account_callbacks.on_public_account_tapped =
base::BindRepeating(&LockContentsView::OnPublicAccountTapped,
base::Unretained(this), is_primary);
ParentAccessView::Callbacks parent_access_callbacks;
parent_access_callbacks.on_finished =
base::BindRepeating(&LockContentsView::OnParentAccessValidationFinished,
base::Unretained(this));
return new LoginBigUserView(user, auth_user_callbacks,
public_account_callbacks,
parent_access_callbacks);
}
LoginBigUserView* LockContentsView::TryToFindBigUser(const AccountId& user,
bool require_auth_active) {
LoginBigUserView* view = nullptr;
// Find auth instance.
if (primary_big_view_ &&
primary_big_view_->GetCurrentUser()->basic_user_info->account_id ==
user) {
view = primary_big_view_;
} else if (opt_secondary_big_view_ &&
opt_secondary_big_view_->GetCurrentUser()
->basic_user_info->account_id == user) {
view = opt_secondary_big_view_;
}
// Make sure auth instance is active if required.
if (require_auth_active && view && !view->IsAuthEnabled())
view = nullptr;
return view;
}
LoginUserView* LockContentsView::TryToFindUserView(const AccountId& user) {
// Try to find |user| in big user view first.
LoginBigUserView* big_view =
TryToFindBigUser(user, false /*require_auth_active*/);
if (big_view)
return big_view->GetUserView();
// Try to find |user| in users_list_.
return users_list_->GetUserView(user);
}
ScrollableUsersListView* LockContentsView::BuildScrollableUsersListView(
const std::vector<mojom::LoginUserInfoPtr>& users,
LoginDisplayStyle display_style) {
auto* view = new ScrollableUsersListView(
users,
base::BindRepeating(&LockContentsView::SwapToBigUser,
base::Unretained(this)),
display_style);
view->ClipHeightTo(view->contents()->size().height(), size().height());
return view;
}
void LockContentsView::SetDisplayStyle(DisplayStyle style) {
const bool show_expanded_view =
style == DisplayStyle::kExclusivePublicAccountExpandedView;
expanded_view_->SetVisible(show_expanded_view);
main_view_->SetVisible(!show_expanded_view);
top_header_->SetVisible(!show_expanded_view);
Layout();
}
void LockContentsView::RegisterAccelerators() {
// Accelerators that apply on login and lock:
accel_map_[ui::Accelerator(ui::VKEY_RIGHT, 0)] =
AcceleratorAction::kFocusNextUser;
accel_map_[ui::Accelerator(ui::VKEY_LEFT, 0)] =
AcceleratorAction::kFocusPreviousUser;
accel_map_[ui::Accelerator(ui::VKEY_V, ui::EF_ALT_DOWN)] =
AcceleratorAction::kShowSystemInfo;
// Login-only accelerators:
if (screen_type_ == LockScreen::ScreenType::kLogin) {
accel_map_[ui::Accelerator(ui::VKEY_I,
ui::EF_SHIFT_DOWN | ui::EF_ALT_DOWN)] =
AcceleratorAction::kShowFeedback;
// Show reset conflicts with rotate screen when --ash-dev-shortcuts is
// passed. Favor --ash-dev-shortcuts since that is explicitly added.
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshDeveloperShortcuts)) {
accel_map_[ui::Accelerator(ui::VKEY_R, ui::EF_CONTROL_DOWN |
ui::EF_SHIFT_DOWN |
ui::EF_ALT_DOWN)] =
AcceleratorAction::kShowResetScreen;
}
}
// Register the accelerators.
AcceleratorController* controller = Shell::Get()->accelerator_controller();
for (const auto& item : accel_map_)
controller->Register({item.first}, this);
}
void LockContentsView::PerformAction(AcceleratorAction action) {
switch (action) {
case AcceleratorAction::kFocusNextUser:
FocusNextUser();
break;
case AcceleratorAction::kFocusPreviousUser:
FocusPreviousUser();
break;
case AcceleratorAction::kShowSystemInfo:
if (!system_info_->visible()) {
system_info_->SetVisible(true);
LayoutTopHeader();
}
break;
case AcceleratorAction::kShowFeedback:
Shell::Get()->login_screen_controller()->ShowFeedback();
break;
case AcceleratorAction::kShowResetScreen:
Shell::Get()->login_screen_controller()->ShowResetScreen();
break;
default:
NOTREACHED();
}
}
} // namespace ash