SigninPromoUtil.java

// Copyright 2016 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.signin;

import android.app.Activity;
import android.text.TextUtils;

import org.chromium.base.annotations.CalledByNative;
import org.chromium.chrome.browser.multiwindow.MultiWindowUtils;
import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
import org.chromium.chrome.browser.preferences.PrefServiceBridge;
import org.chromium.components.signin.ChromeSigninController;
import org.chromium.ui.base.WindowAndroid;

/**
* Helper functions for promoting sign in.
*/
public class SigninPromoUtil {
    private SigninPromoUtil() {}

    /**
     * Launches the signin promo if it needs to be displayed.
     * @param activity The parent activity.
     * @return Whether the signin promo is shown.
     */
    public static boolean launchSigninPromoIfNeeded(final Activity activity) {
        // The promo is displayed if Chrome is launched directly (i.e., not with the intent to
        // navigate to and view a URL on startup), the instance is part of the field trial,
        // and the promo has been marked to display.
        ChromePreferenceManager preferenceManager = ChromePreferenceManager.getInstance(activity);
        if (MultiWindowUtils.getInstance().isLegacyMultiWindow(activity)) return false;
        if (!preferenceManager.getShowSigninPromo()) return false;
        preferenceManager.setShowSigninPromo(false);

        String lastSyncName = PrefServiceBridge.getInstance().getSyncLastAccountName();
        if (ChromeSigninController.get(activity).isSignedIn() || !TextUtils.isEmpty(lastSyncName)) {
            return false;
        }

        AccountSigninActivity.startAccountSigninActivity(activity, SigninAccessPoint.SIGNIN_PROMO);
        preferenceManager.setSigninPromoShown();
        return true;
    }

    /**
     * A convenience method to create an AccountSigninActivity, passing the access point as an
     * intent extra.
     * @param window WindowAndroid from which to get the Activity/Context.
     * @param accessPoint for metrics purposes.
     */
    @CalledByNative
    private static void openAccountSigninActivityForPromo(WindowAndroid window, int accessPoint) {
        Activity activity = window.getActivity().get();
        if (activity != null) {
            AccountSigninActivity.startIfAllowed(activity, accessPoint);
        }
    }
}