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      1 /*******************************************************************************
      2  *      Copyright (C) 2013 Google Inc.
      3  *      Licensed to The Android Open Source Project.
      4  *
      5  *      Licensed under the Apache License, Version 2.0 (the "License");
      6  *      you may not use this file except in compliance with the License.
      7  *      You may obtain a copy of the License at
      8  *
      9  *           http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *      Unless required by applicable law or agreed to in writing, software
     12  *      distributed under the License is distributed on an "AS IS" BASIS,
     13  *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *      See the License for the specific language governing permissions and
     15  *      limitations under the License.
     16  *******************************************************************************/
     17 
     18 package com.android.mail.analytics;
     19 
     20 import android.app.Activity;
     21 import android.app.ActivityManager;
     22 
     23 /**
     24  * Mail wrapper for analytics libraries. Libraries should implement {@link Tracker}, and app
     25  * configurations that want to enable analytics should call {@link #setTracker(Tracker)} as soon
     26  * as possible upon application start.
     27  * <p>
     28  * {@link #getInstance()} will always return an object, but if the app has not yet (or will not
     29  * ever) set its own tracker instance, method calls on that tracker will be stubbed out.
     30  *
     31  */
     32 public final class Analytics {
     33 
     34     public static final String EVENT_CATEGORY_MENU_ITEM = "menu_item";
     35 
     36     /**
     37      * The email provider for this account.
     38      */
     39     public static final int CD_INDEX_ACCOUNT_EMAIL_PROVIDER = 1;
     40 
     41     public static final int CD_INDEX_ACCOUNT_COUNT = 2;
     42 
     43     public static final int CD_INDEX_SENDER_IMAGES_ENABLED = 3;
     44 
     45     /** @deprecated Attachment Previews entirely removed from Conversation List */
     46     public static final int CD_INDEX_ATTACHMENT_PREVIEWS_ENABLED = 4;
     47 
     48     public static final int CD_INDEX_INBOX_TYPE = 5;
     49 
     50     public static final int CD_INDEX_INBOX_SECTIONS_ENABLED = 6;
     51 
     52     public static final int CD_INDEX_REPLY_ALL_SETTING = 7;
     53 
     54     public static final int CD_INDEX_AUTO_ADVANCE = 8;
     55 
     56     /**
     57      * Custom dimension in analytics to describe if the user already interacted with the app.
     58      * The value is one of
     59      * <ul>
     60      *     <li>{@link #CD_VALUE_USER_RETENTION_TYPE_NEW},</li>
     61      *     <li>{@link #CD_VALUE_USER_RETENTION_TYPE_UPGRADING} or</li>
     62      *     <li>{@link @CD_VALUE_USER_RETENTION_TYPE_RETURNING}</li>
     63      * </ul>
     64      */
     65     public static final int CD_INDEX_USER_RETENTION_TYPE = 9;
     66 
     67     /**
     68      * Value for {@link #CD_INDEX_USER_RETENTION_TYPE} meaning that the user has never used the
     69      * Mail app anywhere before.
     70      */
     71     public static final String CD_VALUE_USER_RETENTION_TYPE_NEW = "new";
     72     /**
     73      * Value for {@link #CD_INDEX_USER_RETENTION_TYPE} meaning that the user has used an older
     74      * version of the Mail app before.
     75      */
     76     public static final String CD_VALUE_USER_RETENTION_TYPE_UPGRADING = "upgrading";
     77 
     78     /**
     79      * Value for {@link #CD_INDEX_USER_RETENTION_TYPE} meaning that the user has already this
     80      * version of the Mail app before.
     81      */
     82     public static final String CD_VALUE_USER_RETENTION_TYPE_RETURNING = "returning";
     83 
     84     private static Tracker sInstance;
     85 
     86     private Analytics() {
     87     }
     88 
     89     public static Tracker getInstance() {
     90         synchronized (Analytics.class) {
     91             if (sInstance == null) {
     92                 sInstance = new StubTracker();
     93             }
     94         }
     95         return sInstance;
     96     }
     97 
     98     public static void setTracker(Tracker t) {
     99         synchronized (Analytics.class) {
    100             sInstance = t;
    101         }
    102     }
    103 
    104     public static boolean isLoggable() {
    105         return !ActivityManager.isUserAMonkey() && !ActivityManager.isRunningInTestHarness();
    106     }
    107 
    108     private static final class StubTracker implements Tracker {
    109 
    110         @Override
    111         public void activityStart(Activity a) {}
    112 
    113         @Override
    114         public void activityStop(Activity a) {}
    115 
    116         @Override
    117         public void sendEvent(String category, String action, String label, long value) {}
    118 
    119         @Override
    120         public void sendTiming(String category, long millis, String name, String label) {}
    121 
    122         @Override
    123         public void sendMenuItemEvent(String category, int itemResId, String label, long value) {}
    124 
    125         @Override
    126         public void sendView(String view) {}
    127 
    128         @Override
    129         public void setCustomDimension(int index, String value) {}
    130 
    131         @Override
    132         public void setCustomMetric(int index, Long value) {}
    133 
    134         @Override
    135         public void debugDispatchNow() {}
    136 
    137         @Override
    138         public void setEmail(String emailAddress, String accountManagerType) {}
    139     }
    140 
    141 }
    142