1 /*
2  * Copyright (C) 2020 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.settings.notification.zen;
18 
19 import static android.app.NotificationManager.Policy.CONVERSATION_SENDERS_ANYONE;
20 import static android.app.NotificationManager.Policy.CONVERSATION_SENDERS_IMPORTANT;
21 import static android.app.NotificationManager.Policy.CONVERSATION_SENDERS_NONE;
22 
23 import android.content.Context;
24 import android.content.pm.ParceledListSlice;
25 import android.graphics.drawable.Drawable;
26 import android.os.AsyncTask;
27 import android.service.notification.ConversationChannelWrapper;
28 import android.view.View;
29 import android.view.ViewGroup;
30 import android.widget.FrameLayout;
31 import android.widget.ImageView;
32 
33 import androidx.preference.Preference;
34 import androidx.preference.PreferenceScreen;
35 
36 import com.android.settings.R;
37 import com.android.settings.notification.NotificationBackend;
38 import com.android.settingslib.core.lifecycle.Lifecycle;
39 import com.android.settingslib.widget.LayoutPreference;
40 
41 import java.util.ArrayList;
42 import java.util.List;
43 
44 /**
45  * Updates the DND Settings conversations image resource based on the conversations channels.
46  */
47 public class ZenModeConversationsImagePreferenceController
48         extends AbstractZenModePreferenceController {
49     private static final int MAX_CONVERSATIONS_SHOWN = 5;
50     private final int mIconSizePx;
51     private final int mIconOffsetPx;
52     private final ArrayList<Drawable> mConversationDrawables = new ArrayList<>();
53     private final NotificationBackend mNotificationBackend;
54 
55     private ViewGroup mViewGroup;
56     private LayoutPreference mPreference;
57 
ZenModeConversationsImagePreferenceController(Context context, String key, Lifecycle lifecycle, NotificationBackend notificationBackend)58     public ZenModeConversationsImagePreferenceController(Context context, String key,
59             Lifecycle lifecycle, NotificationBackend notificationBackend) {
60         super(context, key, lifecycle);
61         mNotificationBackend = notificationBackend;
62         mIconSizePx =
63                 mContext.getResources().getDimensionPixelSize(R.dimen.zen_conversations_icon_size);
64         mIconOffsetPx = mContext.getResources()
65                 .getDimensionPixelSize(R.dimen.zen_conversations_icon_offset);
66     }
67 
68     @Override
displayPreference(PreferenceScreen screen)69     public void displayPreference(PreferenceScreen screen) {
70         super.displayPreference(screen);
71         mPreference = (LayoutPreference) screen.findPreference(KEY);
72         mViewGroup =
73                 (ViewGroup) mPreference.findViewById(R.id.zen_mode_settings_senders_overlay_view);
74         loadConversations();
75     }
76 
77     @Override
isAvailable()78     public boolean isAvailable() {
79         return true;
80     }
81 
82     @Override
getPreferenceKey()83     public String getPreferenceKey() {
84         return KEY;
85     }
86 
87     @Override
updateState(Preference preference)88     public void updateState(Preference preference) {
89         loadConversations();
90 
91         mViewGroup.removeAllViews();
92         final int conversationSenders = mBackend.getPriorityConversationSenders();
93         if (conversationSenders == CONVERSATION_SENDERS_ANYONE) {
94             mViewGroup.setContentDescription(
95                     mContext.getResources().getString(R.string.zen_mode_from_all_conversations));
96         } else if (conversationSenders == CONVERSATION_SENDERS_IMPORTANT) {
97             mViewGroup.setContentDescription(
98                     mContext.getResources().getString(
99                             R.string.zen_mode_from_important_conversations));
100         } else {
101             mViewGroup.setContentDescription(null);
102             mViewGroup.setVisibility(View.GONE);
103             return;
104         }
105 
106         final int numDrawablesToShow = Math.min(MAX_CONVERSATIONS_SHOWN,
107                 mConversationDrawables.size());
108         for (int i = 0; i < numDrawablesToShow; i++) {
109             ImageView iv = new ImageView(mContext);
110             iv.setImageDrawable(mConversationDrawables.get(i));
111             iv.setLayoutParams(new ViewGroup.LayoutParams(mIconSizePx, mIconSizePx));
112 
113             FrameLayout fl = new FrameLayout(mContext);
114             fl.addView(iv);
115             fl.setPadding((numDrawablesToShow - i - 1) * mIconOffsetPx, 0, 0, 0);
116             mViewGroup.addView(fl);
117         }
118 
119         mViewGroup.setVisibility(numDrawablesToShow > 0 ? View.VISIBLE : View.GONE);
120     }
121 
loadConversations()122     private void loadConversations() {
123         // Load conversations
124         new AsyncTask<Void, Void, Void>() {
125             private List<Drawable> mDrawables = new ArrayList<>();
126             @Override
127             protected Void doInBackground(Void... unused) {
128                 mDrawables.clear();
129                 final int conversationSenders = mBackend.getPriorityConversationSenders();
130                 if (conversationSenders == CONVERSATION_SENDERS_NONE) {
131                     return null;
132                 }
133                 ParceledListSlice<ConversationChannelWrapper> conversations =
134                         mNotificationBackend.getConversations(
135                                 conversationSenders == CONVERSATION_SENDERS_IMPORTANT);
136                 if (conversations != null) {
137                     for (ConversationChannelWrapper conversation : conversations.getList()) {
138                         if (!conversation.getNotificationChannel().isDemoted()) {
139                             Drawable drawable = mNotificationBackend.getConversationDrawable(
140                                     mContext,
141                                     conversation.getShortcutInfo(),
142                                     conversation.getPkg(),
143                                     conversation.getUid(),
144                                     conversation.getNotificationChannel()
145                                             .isImportantConversation());
146                             if (drawable != null) {
147                                 mDrawables.add(drawable);
148                             }
149                         }
150                     }
151                 }
152 
153                 return null;
154             }
155 
156             @Override
157             protected void onPostExecute(Void unused) {
158                 if (mContext == null) {
159                     return;
160                 }
161                 mConversationDrawables.clear();
162                 mConversationDrawables.addAll(mDrawables);
163                 updateState(mPreference);
164             }
165         }.execute();
166     }
167 }
168