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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.contacts;
     18 
     19 import android.app.Application;
     20 import android.app.FragmentManager;
     21 import android.app.LoaderManager;
     22 import android.content.ContentResolver;
     23 import android.content.ContentUris;
     24 import android.content.Context;
     25 import android.content.SharedPreferences;
     26 import android.os.AsyncTask;
     27 import android.os.StrictMode;
     28 import android.preference.PreferenceManager;
     29 import android.provider.ContactsContract.Contacts;
     30 import android.util.Log;
     31 
     32 import com.android.contacts.common.ContactPhotoManager;
     33 import com.android.contacts.common.list.ContactListFilterController;
     34 import com.android.contacts.common.model.AccountTypeManager;
     35 import com.android.contacts.common.test.InjectedServices;
     36 import com.android.contacts.common.util.Constants;
     37 import com.google.common.annotations.VisibleForTesting;
     38 
     39 public final class ContactsApplication extends Application {
     40     private static final boolean ENABLE_LOADER_LOG = false; // Don't submit with true
     41     private static final boolean ENABLE_FRAGMENT_LOG = false; // Don't submit with true
     42 
     43     private static InjectedServices sInjectedServices;
     44     /**
     45      * Log tag for enabling/disabling StrictMode violation log.
     46      * To enable: adb shell setprop log.tag.ContactsStrictMode DEBUG
     47      */
     48     public static final String STRICT_MODE_TAG = "ContactsStrictMode";
     49     private ContactPhotoManager mContactPhotoManager;
     50     private ContactListFilterController mContactListFilterController;
     51 
     52     /**
     53      * Overrides the system services with mocks for testing.
     54      */
     55     @VisibleForTesting
     56     public static void injectServices(InjectedServices services) {
     57         sInjectedServices = services;
     58     }
     59 
     60     public static InjectedServices getInjectedServices() {
     61         return sInjectedServices;
     62     }
     63 
     64     @Override
     65     public ContentResolver getContentResolver() {
     66         if (sInjectedServices != null) {
     67             ContentResolver resolver = sInjectedServices.getContentResolver();
     68             if (resolver != null) {
     69                 return resolver;
     70             }
     71         }
     72         return super.getContentResolver();
     73     }
     74 
     75     @Override
     76     public SharedPreferences getSharedPreferences(String name, int mode) {
     77         if (sInjectedServices != null) {
     78             SharedPreferences prefs = sInjectedServices.getSharedPreferences();
     79             if (prefs != null) {
     80                 return prefs;
     81             }
     82         }
     83 
     84         return super.getSharedPreferences(name, mode);
     85     }
     86 
     87     @Override
     88     public Object getSystemService(String name) {
     89         if (sInjectedServices != null) {
     90             Object service = sInjectedServices.getSystemService(name);
     91             if (service != null) {
     92                 return service;
     93             }
     94         }
     95 
     96         if (ContactPhotoManager.CONTACT_PHOTO_SERVICE.equals(name)) {
     97             if (mContactPhotoManager == null) {
     98                 mContactPhotoManager = ContactPhotoManager.createContactPhotoManager(this);
     99                 registerComponentCallbacks(mContactPhotoManager);
    100                 mContactPhotoManager.preloadPhotosInBackground();
    101             }
    102             return mContactPhotoManager;
    103         }
    104 
    105         return super.getSystemService(name);
    106     }
    107 
    108     @Override
    109     public void onCreate() {
    110         super.onCreate();
    111 
    112         if (Log.isLoggable(Constants.PERFORMANCE_TAG, Log.DEBUG)) {
    113             Log.d(Constants.PERFORMANCE_TAG, "ContactsApplication.onCreate start");
    114         }
    115 
    116         if (ENABLE_FRAGMENT_LOG) FragmentManager.enableDebugLogging(true);
    117         if (ENABLE_LOADER_LOG) LoaderManager.enableDebugLogging(true);
    118 
    119         if (Log.isLoggable(STRICT_MODE_TAG, Log.DEBUG)) {
    120             StrictMode.setThreadPolicy(
    121                     new StrictMode.ThreadPolicy.Builder().detectAll().penaltyLog().build());
    122         }
    123 
    124         // Perform the initialization that doesn't have to finish immediately.
    125         // We use an async task here just to avoid creating a new thread.
    126         (new DelayedInitializer()).execute();
    127 
    128         if (Log.isLoggable(Constants.PERFORMANCE_TAG, Log.DEBUG)) {
    129             Log.d(Constants.PERFORMANCE_TAG, "ContactsApplication.onCreate finish");
    130         }
    131     }
    132 
    133     private class DelayedInitializer extends AsyncTask<Void, Void, Void> {
    134         @Override
    135         protected Void doInBackground(Void... params) {
    136             final Context context = ContactsApplication.this;
    137 
    138             // Warm up the preferences, the account type manager and the contacts provider.
    139             PreferenceManager.getDefaultSharedPreferences(context);
    140             AccountTypeManager.getInstance(context);
    141             getContentResolver().getType(ContentUris.withAppendedId(Contacts.CONTENT_URI, 1));
    142             return null;
    143         }
    144 
    145         public void execute() {
    146             executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR,
    147                     (Void[]) null);
    148         }
    149     }
    150 }
    151