chrome/android/features/autofill_assistant/java/src/org/chromium/chrome/browser/autofill_assistant/payment/AssistantPaymentRequestPaymentMethodSection.java

// Copyright 2019 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.

package org.chromium.chrome.browser.autofill_assistant.payment;

import android.content.Context;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import org.chromium.chrome.autofill_assistant.R;
import org.chromium.chrome.browser.autofill.PersonalDataManager;
import org.chromium.chrome.browser.payments.AutofillAddress;
import org.chromium.chrome.browser.payments.AutofillPaymentInstrument;
import org.chromium.chrome.browser.payments.CardEditor;

import java.util.List;

/**
 * The payment method section of the Autofill Assistant payment request.
 */
public class AssistantPaymentRequestPaymentMethodSection
        extends AssistantPaymentRequestSection<AutofillPaymentInstrument> {
    private CardEditor mEditor;

    AssistantPaymentRequestPaymentMethodSection(Context context, ViewGroup parent) {
        super(context, parent, R.layout.autofill_assistant_payment_method_summary,
                R.layout.autofill_assistant_payment_method_full,
                context.getResources().getDimensionPixelSize(
                        R.dimen.autofill_assistant_payment_request_payment_method_title_padding),
                context.getString(org.chromium.chrome.R.string.payments_method_of_payment_label),
                context.getString(org.chromium.chrome.R.string.payments_add_card),
                context.getString(org.chromium.chrome.R.string.payments_add_card));
    }

    public void setEditor(CardEditor editor) {
        mEditor = editor;
    }

    @Override
    protected void createOrEditItem(
            @Nullable View oldFullView, @Nullable AutofillPaymentInstrument oldItem) {
        if (mEditor == null) {
            return;
        }
        mEditor.edit(
                oldItem, editedOption -> onItemCreatedOrEdited(oldItem, oldFullView, editedOption));
    }

    @Override
    protected void updateFullView(View fullView, AutofillPaymentInstrument method) {
        if (method == null) {
            return;
        }
        updateSummaryView(fullView, method);
        TextView cardNameView = fullView.findViewById(R.id.credit_card_name);
        cardNameView.setText(method.getCard().getName());
        hideIfEmpty(cardNameView);
    }

    @Override
    protected void updateSummaryView(View summaryView, AutofillPaymentInstrument method) {
        if (method == null) {
            return;
        }
        ImageView cardIssuerImageView = summaryView.findViewById(R.id.credit_card_issuer_icon);
        cardIssuerImageView.setImageDrawable(summaryView.getContext().getResources().getDrawable(
                method.getCard().getIssuerIconDrawableId()));

        /**
         * By default, the obfuscated number contains the issuer (e.g., 'Visa'). This is needlessly
         * verbose, so we strip it away. See |PersonalDataManagerTest::testAddAndEditCreditCards|
         * for explanation of "\u0020...\u2060".
         */
        String obfuscatedNumber = method.getCard().getObfuscatedNumber();
        int beginningOfObfuscatedNumber =
                Math.max(obfuscatedNumber.indexOf("\u0020\u202A\u2022\u2060"), 0);
        obfuscatedNumber = obfuscatedNumber.substring(beginningOfObfuscatedNumber);
        TextView cardNumberView = summaryView.findViewById(R.id.credit_card_number);
        cardNumberView.setText(obfuscatedNumber);
        hideIfEmpty(cardNumberView);

        TextView cardExpirationView = summaryView.findViewById(R.id.credit_card_expiration);
        cardExpirationView.setText(
                method.getCard().getFormattedExpirationDate(summaryView.getContext()));
        hideIfEmpty(cardExpirationView);

        TextView methodIncompleteView = summaryView.findViewById(R.id.incomplete_error);
        methodIncompleteView.setVisibility(method.isComplete() ? View.GONE : View.VISIBLE);
    }

    @Override
    protected void onItemAddedOrUpdated(AutofillPaymentInstrument method) {
        // Nothing to do
    }

    void onProfilesChanged(List<PersonalDataManager.AutofillProfile> profiles) {
        for (PersonalDataManager.AutofillProfile profile : profiles) {
            // TODO(crbug.com/806868): replace suggested billing addresses (remove if necessary).
            mEditor.updateBillingAddressIfComplete(new AutofillAddress(mContext, profile));
        }
    }

    /**
     * The set of available payment methods has changed externally. This will rebuild the UI with
     * the new/changed set of payment methods, while keeping the selected item if possible.
     */
    void onAvailablePaymentMethodsChanged(List<AutofillPaymentInstrument> paymentMethods) {
        AutofillPaymentInstrument previouslySelectedMethod = mSelectedOption;
        int selectedMethodIndex = -1;
        for (int i = 0; i < paymentMethods.size(); i++) {
            if (previouslySelectedMethod != null
                    && TextUtils.equals(paymentMethods.get(i).getIdentifier(),
                            previouslySelectedMethod.getIdentifier())) {
                selectedMethodIndex = i;
            }
        }

        // Replace current set of items, keep selection if possible.
        setItems(paymentMethods, selectedMethodIndex);
    }
}