chrome/browser/password_check/android/internal/java/src/org/chromium/chrome/browser/password_check/PasswordCheckMediator.java

// Copyright 2020 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.password_check;

import static org.chromium.chrome.browser.password_check.PasswordCheckProperties.CompromisedCredentialProperties.COMPROMISED_CREDENTIAL;
import static org.chromium.chrome.browser.password_check.PasswordCheckProperties.CompromisedCredentialProperties.CREDENTIAL_HANDLER;
import static org.chromium.chrome.browser.password_check.PasswordCheckProperties.HeaderProperties.CHECK_STATUS;
import static org.chromium.chrome.browser.password_check.PasswordCheckProperties.ITEMS;

import org.chromium.chrome.browser.password_check.PasswordCheck.CheckStatus;
import org.chromium.ui.modelutil.ListModel;
import org.chromium.ui.modelutil.MVCListAdapter.ListItem;
import org.chromium.ui.modelutil.PropertyModel;

import java.util.List;

/**
 * Contains the logic for the PasswordCheck component. It sets the state of the model and reacts to
 * events like clicks.
 */
class PasswordCheckMediator implements PasswordCheckCoordinator.CredentialEventHandler {
    private PropertyModel mModel;
    private PasswordCheckComponentUi.Delegate mDelegate;

    void initialize(PropertyModel model, PasswordCheckComponentUi.Delegate delegate) {
        mModel = model;
        mDelegate = delegate;
    }

    void onCompromisedCredentialsAvailable(List<CompromisedCredential> credentials) {
        assert credentials != null;
        ListModel<ListItem> items = mModel.get(ITEMS);
        assert items.size() == 1;

        for (CompromisedCredential credential : credentials) {
            items.add(new ListItem(credential.hasScript()
                            ? PasswordCheckProperties.ItemType.COMPROMISED_CREDENTIAL_WITH_SCRIPT
                            : PasswordCheckProperties.ItemType.COMPROMISED_CREDENTIAL,
                    new PropertyModel
                            .Builder(PasswordCheckProperties.CompromisedCredentialProperties
                                             .ALL_KEYS)
                            .with(COMPROMISED_CREDENTIAL, credential)
                            .with(CREDENTIAL_HANDLER, this)
                            .build()));
        }
    }

    void onPasswordCheckStatusChanged(@CheckStatus int status) {
        ListModel<ListItem> items = mModel.get(ITEMS);
        if (items.size() == 0) {
            items.add(new ListItem(PasswordCheckProperties.ItemType.HEADER,
                    new PropertyModel.Builder(PasswordCheckProperties.HeaderProperties.ALL_KEYS)
                            .with(CHECK_STATUS, status)
                            .build()));
        } else {
            items.get(0).model.set(CHECK_STATUS, status);
        }
    }

    @Override
    public void onRemove(CompromisedCredential credential) {
        mDelegate.removeCredential(credential);
    }

    @Override
    public void onChangePasswordButtonClick(CompromisedCredential credential) {
        // TODO(crbug.com/1092444): Implement the action for the button.
    }

    @Override
    public void onChangePasswordWithScriptButtonClick(CompromisedCredential credential) {
        // TODO(crbug.com/1086109): Implement the action for the button.
    }
}