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// Copyright 2019 The Chromium Authors
// 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/webauthn/authenticator_client_pin_entry_view.h"
#include <memory>
#include <string>
#include "base/check.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "chrome/grit/generated_resources.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/base/ime/text_input_type.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/color/color_id.h"
#include "ui/color/color_provider.h"
#include "ui/events/event.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/text_constants.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/border.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/layout/layout_types.h"
#include "ui/views/layout/table_layout.h"
#include "ui/views/style/typography.h"
namespace {
class PinTextfield : public views::Textfield {
METADATA_HEADER(PinTextfield, views::Textfield)
public:
PinTextfield(views::TextfieldController* controller, views::View* label) {
SetTextInputType(ui::TextInputType::TEXT_INPUT_TYPE_PASSWORD);
SetMinimumWidthInChars(6);
SetDefaultWidthInChars(20);
set_controller(controller);
GetViewAccessibility().SetName(*label);
}
PinTextfield(const PinTextfield&) = delete;
PinTextfield& operator=(const PinTextfield&) = delete;
~PinTextfield() override = default;
void OnThemeChanged() override {
views::Textfield::OnThemeChanged();
constexpr int kBottomBorderThickness = 2;
SetBorder(views::CreateSolidSidedBorder(
gfx::Insets::TLBR(0, 0, kBottomBorderThickness, 0),
GetColorProvider()->GetColor(kColorWebAuthnPinTextfieldBottomBorder)));
}
};
BEGIN_METADATA(PinTextfield)
END_METADATA
} // namespace
AuthenticatorClientPinEntryView::AuthenticatorClientPinEntryView(
Delegate* delegate,
bool show_confirmation_text_field)
: delegate_(delegate),
show_confirmation_text_field_(show_confirmation_text_field) {
auto* layout = SetLayoutManager(std::make_unique<views::TableLayout>());
layout
->AddColumn(views::LayoutAlignment::kStart,
views::LayoutAlignment::kStart,
views::TableLayout::kFixedSize,
views::TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddPaddingColumn(views::TableLayout::kFixedSize, 10)
.AddColumn(views::LayoutAlignment::kStart, views::LayoutAlignment::kStart,
views::TableLayout::kFixedSize,
views::TableLayout::ColumnSize::kUsePreferred, 0, 0)
.AddRows(2, views::TableLayout::kFixedSize);
pin_label_ = AddChildView(std::make_unique<views::Label>(
l10n_util::GetStringUTF16(IDS_WEBAUTHN_PIN_ENTRY_PIN_LABEL),
views::style::CONTEXT_LABEL, views::style::STYLE_PRIMARY));
pin_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
if (show_confirmation_text_field_) {
confirmation_label_ = AddChildView(std::make_unique<views::Label>(
l10n_util::GetStringUTF16(IDS_WEBAUTHN_PIN_SETUP_CONFIRMATION_LABEL),
views::style::CONTEXT_LABEL, views::style::STYLE_PRIMARY));
confirmation_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
} else {
// For TableLayout, we must add a filler view to the empty cell.
AddChildView(std::make_unique<views::View>());
}
pin_text_field_ =
AddChildView(std::make_unique<PinTextfield>(this, pin_label_));
if (show_confirmation_text_field_) {
DCHECK(confirmation_label_);
confirmation_text_field_ =
AddChildView(std::make_unique<PinTextfield>(this, confirmation_label_));
} else {
AddChildView(std::make_unique<views::View>());
}
}
AuthenticatorClientPinEntryView::~AuthenticatorClientPinEntryView() = default;
void AuthenticatorClientPinEntryView::RequestFocus() {
pin_text_field_->RequestFocus();
}
void AuthenticatorClientPinEntryView::OnThemeChanged() {
views::View::OnThemeChanged();
const auto* const color_provider = GetColorProvider();
const SkColor label_color = color_provider->GetColor(ui::kColorAccent);
pin_label_->SetEnabledColor(label_color);
if (confirmation_label_) {
confirmation_label_->SetEnabledColor(label_color);
}
}
void AuthenticatorClientPinEntryView::ContentsChanged(
views::Textfield* sender,
const std::u16string& new_contents) {
DCHECK(sender == pin_text_field_ || sender == confirmation_text_field_);
if (sender == pin_text_field_) {
delegate_->OnPincodeChanged(new_contents);
} else {
delegate_->OnConfirmationChanged(new_contents);
}
}
bool AuthenticatorClientPinEntryView::HandleKeyEvent(
views::Textfield* sender,
const ui::KeyEvent& key_event) {
// As WebAuthN UI views do not intercept any key events, the key event must
// be further processed.
return false;
}
BEGIN_METADATA(AuthenticatorClientPinEntryView)
END_METADATA
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