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      1 /*
      2  * Copyright (C) 2015 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.messaging.datamodel;
     18 
     19 import android.content.Context;
     20 import android.database.sqlite.SQLiteDatabase;
     21 import android.net.Uri;
     22 import android.text.TextUtils;
     23 
     24 import com.android.messaging.Factory;
     25 import com.android.messaging.datamodel.action.Action;
     26 import com.android.messaging.datamodel.action.ActionService;
     27 import com.android.messaging.datamodel.action.BackgroundWorker;
     28 import com.android.messaging.datamodel.data.BlockedParticipantsData;
     29 import com.android.messaging.datamodel.data.BlockedParticipantsData.BlockedParticipantsDataListener;
     30 import com.android.messaging.datamodel.data.ContactListItemData;
     31 import com.android.messaging.datamodel.data.ContactPickerData;
     32 import com.android.messaging.datamodel.data.ContactPickerData.ContactPickerDataListener;
     33 import com.android.messaging.datamodel.data.ConversationData;
     34 import com.android.messaging.datamodel.data.ConversationData.ConversationDataListener;
     35 import com.android.messaging.datamodel.data.ConversationListData;
     36 import com.android.messaging.datamodel.data.ConversationListData.ConversationListDataListener;
     37 import com.android.messaging.datamodel.data.DraftMessageData;
     38 import com.android.messaging.datamodel.data.GalleryGridItemData;
     39 import com.android.messaging.datamodel.data.LaunchConversationData;
     40 import com.android.messaging.datamodel.data.LaunchConversationData.LaunchConversationDataListener;
     41 import com.android.messaging.datamodel.data.MediaPickerData;
     42 import com.android.messaging.datamodel.data.MessagePartData;
     43 import com.android.messaging.datamodel.data.ParticipantData;
     44 import com.android.messaging.datamodel.data.ParticipantListItemData;
     45 import com.android.messaging.datamodel.data.PeopleAndOptionsData;
     46 import com.android.messaging.datamodel.data.PeopleAndOptionsData.PeopleAndOptionsDataListener;
     47 import com.android.messaging.datamodel.data.PeopleOptionsItemData;
     48 import com.android.messaging.datamodel.data.SettingsData;
     49 import com.android.messaging.datamodel.data.SettingsData.SettingsDataListener;
     50 import com.android.messaging.datamodel.data.SubscriptionListData;
     51 import com.android.messaging.datamodel.data.VCardContactItemData;
     52 import com.android.messaging.util.Assert.DoesNotRunOnMainThread;
     53 import com.android.messaging.util.ConnectivityUtil;
     54 
     55 public abstract class DataModel {
     56     private String mFocusedConversation;
     57     private boolean mConversationListScrolledToNewestConversation;
     58 
     59     public static DataModel get() {
     60         return Factory.get().getDataModel();
     61     }
     62 
     63     public static final void startActionService(final Action action) {
     64         get().getActionService().startAction(action);
     65     }
     66 
     67     public static final void scheduleAction(final Action action,
     68             final int code, final long delayMs) {
     69         get().getActionService().scheduleAction(action, code, delayMs);
     70     }
     71 
     72     public abstract ConversationListData createConversationListData(final Context context,
     73             final ConversationListDataListener listener, final boolean archivedMode);
     74 
     75     public abstract ConversationData createConversationData(final Context context,
     76             final ConversationDataListener listener, final String conversationId);
     77 
     78     public abstract ContactListItemData createContactListItemData();
     79 
     80     public abstract ContactPickerData createContactPickerData(final Context context,
     81             final ContactPickerDataListener listener);
     82 
     83     public abstract MediaPickerData createMediaPickerData(final Context context);
     84 
     85     public abstract GalleryGridItemData createGalleryGridItemData();
     86 
     87     public abstract LaunchConversationData createLaunchConversationData(
     88             LaunchConversationDataListener listener);
     89 
     90     public abstract PeopleOptionsItemData createPeopleOptionsItemData(final Context context);
     91 
     92     public abstract PeopleAndOptionsData createPeopleAndOptionsData(final String conversationId,
     93             final Context context, final PeopleAndOptionsDataListener listener);
     94 
     95     public abstract VCardContactItemData createVCardContactItemData(final Context context,
     96             final MessagePartData data);
     97 
     98     public abstract VCardContactItemData createVCardContactItemData(final Context context,
     99             final Uri vCardUri);
    100 
    101     public abstract ParticipantListItemData createParticipantListItemData(
    102             final ParticipantData participant);
    103 
    104     public abstract BlockedParticipantsData createBlockedParticipantsData(Context context,
    105             BlockedParticipantsDataListener listener);
    106 
    107     public abstract SubscriptionListData createSubscriptonListData(Context context);
    108 
    109     public abstract SettingsData createSettingsData(Context context, SettingsDataListener listener);
    110 
    111     public abstract DraftMessageData createDraftMessageData(String conversationId);
    112 
    113     public abstract ActionService getActionService();
    114 
    115     public abstract BackgroundWorker getBackgroundWorkerForActionService();
    116 
    117     @DoesNotRunOnMainThread
    118     public abstract DatabaseWrapper getDatabase();
    119 
    120     // Allow DataModel to coordinate with activity lifetime events.
    121     public abstract void onActivityResume();
    122 
    123     abstract void onCreateTables(final SQLiteDatabase db);
    124 
    125     public void setFocusedConversation(final String conversationId) {
    126         mFocusedConversation = conversationId;
    127     }
    128 
    129     public boolean isFocusedConversation(final String conversationId) {
    130         return !TextUtils.isEmpty(mFocusedConversation)
    131                 && TextUtils.equals(mFocusedConversation, conversationId);
    132     }
    133 
    134     public void setConversationListScrolledToNewestConversation(
    135             final boolean scrolledToNewestConversation) {
    136         mConversationListScrolledToNewestConversation = scrolledToNewestConversation;
    137     }
    138 
    139     public boolean isConversationListScrolledToNewestConversation() {
    140         return mConversationListScrolledToNewestConversation;
    141     }
    142 
    143     /**
    144      * If a new message is received in the specified conversation, will the user be able to
    145      * observe it in some UI within the app?
    146      * @param conversationId conversation with the new incoming message
    147      */
    148     public boolean isNewMessageObservable(final String conversationId) {
    149         return isConversationListScrolledToNewestConversation()
    150                 || isFocusedConversation(conversationId);
    151     }
    152 
    153     public abstract void onApplicationCreated();
    154 
    155     public abstract ConnectivityUtil getConnectivityUtil();
    156 
    157     public abstract SyncManager getSyncManager();
    158 }
    159