1 files changed, 273 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/calllog/DefaultVoicemailNotifier.java b/java/com/android/dialer/app/calllog/DefaultVoicemailNotifier.java
new file mode 100644
index 000000000..651a0ccb8
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+++ b/java/com/android/dialer/app/calllog/DefaultVoicemailNotifier.java
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.dialer.app.calllog;
+
+import android.app.Notification;
+import android.app.NotificationManager;
+import android.app.PendingIntent;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.ContentUris;
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.support.annotation.Nullable;
+import android.support.v4.util.Pair;
+import android.telecom.PhoneAccount;
+import android.telecom.PhoneAccountHandle;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.Log;
+import com.android.contacts.common.compat.TelephonyManagerCompat;
+import com.android.contacts.common.util.ContactDisplayUtils;
+import com.android.dialer.app.DialtactsActivity;
+import com.android.dialer.app.R;
+import com.android.dialer.app.calllog.CallLogNotificationsHelper.NewCall;
+import com.android.dialer.app.list.ListsFragment;
+import com.android.dialer.blocking.FilteredNumbersUtil;
+import com.android.dialer.telecom.TelecomUtil;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+/** Shows a voicemail notification in the status bar. */
+public class DefaultVoicemailNotifier {
+
+  public static final String TAG = "VoicemailNotifier";
+
+  /** The tag used to identify notifications from this class. */
+  private static final String NOTIFICATION_TAG = "DefaultVoicemailNotifier";
+  /** The identifier of the notification of new voicemails. */
+  private static final int NOTIFICATION_ID = 1;
+
+  /** The singleton instance of {@link DefaultVoicemailNotifier}. */
+  private static DefaultVoicemailNotifier sInstance;
+
+  private final Context mContext;
+
+  private DefaultVoicemailNotifier(Context context) {
+    mContext = context;
+  }
+
+  /** Returns the singleton instance of the {@link DefaultVoicemailNotifier}. */
+  public static DefaultVoicemailNotifier getInstance(Context context) {
+    if (sInstance == null) {
+      ContentResolver contentResolver = context.getContentResolver();
+      sInstance = new DefaultVoicemailNotifier(context);
+    }
+    return sInstance;
+  }
+
+  /**
+   * Updates the notification and notifies of the call with the given URI.
+   *
+   * <p>Clears the notification if there are no new voicemails, and notifies if the given URI
+   * corresponds to a new voicemail.
+   *
+   * <p>It is not safe to call this method from the main thread.
+   */
+  public void updateNotification(Uri newCallUri) {
+    // Lookup the list of new voicemails to include in the notification.
+    // TODO: Move this into a service, to avoid holding the receiver up.
+    final List<NewCall> newCalls =
+        CallLogNotificationsHelper.getInstance(mContext).getNewVoicemails();
+
+    if (newCalls == null) {
+      // Query failed, just return.
+      return;
+    }
+
+    if (newCalls.isEmpty()) {
+      // No voicemails to notify about: clear the notification.
+      getNotificationManager().cancel(NOTIFICATION_TAG, NOTIFICATION_ID);
+      return;
+    }
+
+    Resources resources = mContext.getResources();
+
+    // This represents a list of names to include in the notification.
+    String callers = null;
+
+    // Maps each number into a name: if a number is in the map, it has already left a more
+    // recent voicemail.
+    final Map<String, String> names = new ArrayMap<>();
+
+    // Determine the call corresponding to the new voicemail we have to notify about.
+    NewCall callToNotify = null;
+
+    // Iterate over the new voicemails to determine all the information above.
+    Iterator<NewCall> itr = newCalls.iterator();
+    while (itr.hasNext()) {
+      NewCall newCall = itr.next();
+
+      // Skip notifying for numbers which are blocked.
+      if (FilteredNumbersUtil.shouldBlockVoicemail(
+          mContext, newCall.number, newCall.countryIso, newCall.dateMs)) {
+        itr.remove();
+
+        // Delete the voicemail.
+        mContext.getContentResolver().delete(newCall.voicemailUri, null, null);
+        continue;
+      }
+
+      // Check if we already know the name associated with this number.
+      String name = names.get(newCall.number);
+      if (name == null) {
+        name =
+            CallLogNotificationsHelper.getInstance(mContext)
+                .getName(newCall.number, newCall.numberPresentation, newCall.countryIso);
+        names.put(newCall.number, name);
+        // This is a new caller. Add it to the back of the list of callers.
+        if (TextUtils.isEmpty(callers)) {
+          callers = name;
+        } else {
+          callers =
+              resources.getString(R.string.notification_voicemail_callers_list, callers, name);
+        }
+      }
+      // Check if this is the new call we need to notify about.
+      if (newCallUri != null
+          && newCall.voicemailUri != null
+          && ContentUris.parseId(newCallUri) == ContentUris.parseId(newCall.voicemailUri)) {
+        callToNotify = newCall;
+      }
+    }
+
+    // All the potential new voicemails have been removed, e.g. if they were spam.
+    if (newCalls.isEmpty()) {
+      return;
+    }
+
+    // If there is only one voicemail, set its transcription as the "long text".
+    String transcription = null;
+    if (newCalls.size() == 1) {
+      transcription = newCalls.get(0).transcription;
+    }
+
+    if (newCallUri != null && callToNotify == null) {
+      Log.e(TAG, "The new call could not be found in the call log: " + newCallUri);
+    }
+
+    // Determine the title of the notification and the icon for it.
+    final String title =
+        resources.getQuantityString(
+            R.plurals.notification_voicemail_title, newCalls.size(), newCalls.size());
+    // TODO: Use the photo of contact if all calls are from the same person.
+    final int icon = android.R.drawable.stat_notify_voicemail;
+
+    Pair<Uri, Integer> info = getNotificationInfo(callToNotify);
+
+    Notification.Builder notificationBuilder =
+        new Notification.Builder(mContext)
+            .setSmallIcon(icon)
+            .setContentTitle(title)
+            .setContentText(callers)
+            .setColor(resources.getColor(R.color.dialer_theme_color))
+            .setSound(info.first)
+            .setDefaults(info.second)
+            .setDeleteIntent(createMarkNewVoicemailsAsOldIntent())
+            .setAutoCancel(true);
+
+    if (!TextUtils.isEmpty(transcription)) {
+      notificationBuilder.setStyle(new Notification.BigTextStyle().bigText(transcription));
+    }
+
+    // Determine the intent to fire when the notification is clicked on.
+    final Intent contentIntent;
+    // Open the call log.
+    contentIntent = DialtactsActivity.getShowTabIntent(mContext, ListsFragment.TAB_INDEX_VOICEMAIL);
+    contentIntent.putExtra(DialtactsActivity.EXTRA_CLEAR_NEW_VOICEMAILS, true);
+    notificationBuilder.setContentIntent(
+        PendingIntent.getActivity(mContext, 0, contentIntent, PendingIntent.FLAG_UPDATE_CURRENT));
+
+    // The text to show in the ticker, describing the new event.
+    if (callToNotify != null) {
+      CharSequence msg =
+          ContactDisplayUtils.getTtsSpannedPhoneNumber(
+              resources,
+              R.string.notification_new_voicemail_ticker,
+              names.get(callToNotify.number));
+      notificationBuilder.setTicker(msg);
+    }
+    Log.i(TAG, "Creating voicemail notification");
+    getNotificationManager().notify(NOTIFICATION_TAG, NOTIFICATION_ID, notificationBuilder.build());
+  }
+
+  /**
+   * Determines which ringtone Uri and Notification defaults to use when updating the notification
+   * for the given call.
+   */
+  private Pair<Uri, Integer> getNotificationInfo(@Nullable NewCall callToNotify) {
+    Log.v(TAG, "getNotificationInfo");
+    if (callToNotify == null) {
+      Log.i(TAG, "callToNotify == null");
+      return new Pair<>(null, 0);
+    }
+    PhoneAccountHandle accountHandle;
+    if (callToNotify.accountComponentName == null || callToNotify.accountId == null) {
+      Log.v(TAG, "accountComponentName == null || callToNotify.accountId == null");
+      accountHandle = TelecomUtil.getDefaultOutgoingPhoneAccount(mContext, PhoneAccount.SCHEME_TEL);
+      if (accountHandle == null) {
+        Log.i(TAG, "No default phone account found, using default notification ringtone");
+        return new Pair<>(null, Notification.DEFAULT_ALL);
+      }
+
+    } else {
+      accountHandle =
+          new PhoneAccountHandle(
+              ComponentName.unflattenFromString(callToNotify.accountComponentName),
+              callToNotify.accountId);
+    }
+    if (accountHandle.getComponentName() != null) {
+      Log.v(TAG, "PhoneAccountHandle.ComponentInfo:" + accountHandle.getComponentName());
+    } else {
+      Log.i(TAG, "PhoneAccountHandle.ComponentInfo: null");
+    }
+    return new Pair<>(
+        TelephonyManagerCompat.getVoicemailRingtoneUri(getTelephonyManager(), accountHandle),
+        getNotificationDefaults(accountHandle));
+  }
+
+  private int getNotificationDefaults(PhoneAccountHandle accountHandle) {
+    if (VERSION.SDK_INT >= VERSION_CODES.N) {
+      return TelephonyManagerCompat.isVoicemailVibrationEnabled(
+              getTelephonyManager(), accountHandle)
+          ? Notification.DEFAULT_VIBRATE
+          : 0;
+    }
+    return Notification.DEFAULT_ALL;
+  }
+
+  /** Creates a pending intent that marks all new voicemails as old. */
+  private PendingIntent createMarkNewVoicemailsAsOldIntent() {
+    Intent intent = new Intent(mContext, CallLogNotificationsService.class);
+    intent.setAction(CallLogNotificationsService.ACTION_MARK_NEW_VOICEMAILS_AS_OLD);
+    return PendingIntent.getService(mContext, 0, intent, 0);
+  }
+
+  private NotificationManager getNotificationManager() {
+    return (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
+  }
+
+  private TelephonyManager getTelephonyManager() {
+    return (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
+  }
+}