1 files changed, 114 insertions, 0 deletions
diff --git a/java/com/android/dialer/voicemail/listui/error/VoicemailStatusCorruptionHandler.java b/java/com/android/dialer/voicemail/listui/error/VoicemailStatusCorruptionHandler.java
new file mode 100644
index 000000000..630a17d8f
--- /dev/null
+++ b/java/com/android/dialer/voicemail/listui/error/VoicemailStatusCorruptionHandler.java
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2016 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.voicemail.listui.error;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Build.VERSION;
+import android.os.Build.VERSION_CODES;
+import android.provider.VoicemailContract.Status;
+import android.telecom.PhoneAccountHandle;
+import android.telephony.TelephonyManager;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.compat.telephony.TelephonyManagerCompat;
+import com.android.dialer.configprovider.ConfigProviderBindings;
+import com.android.dialer.logging.DialerImpression;
+import com.android.dialer.logging.Logger;
+
+/**
+ * This class will detect the corruption in the voicemail status and log it so we can track how many
+ * users are affected.
+ */
+public class VoicemailStatusCorruptionHandler {
+
+  /** Where the check is made so logging can be done. */
+  public enum Source {
+    Activity,
+    Notification
+  }
+
+  private static final String CONFIG_VVM_STATUS_FIX_DISABLED = "vvm_status_fix_disabled";
+
+  public static void maybeFixVoicemailStatus(Context context, Cursor statusCursor, Source source) {
+
+    if (ConfigProviderBindings.get(context).getBoolean(CONFIG_VVM_STATUS_FIX_DISABLED, false)) {
+      return;
+    }
+
+    if (VERSION.SDK_INT != VERSION_CODES.N_MR1) {
+      // This issue is specific to N MR1, it is fixed in future SDK.
+      return;
+    }
+
+    if (statusCursor.getCount() == 0) {
+      return;
+    }
+
+    statusCursor.moveToFirst();
+    VoicemailStatus status = new VoicemailStatus(context, statusCursor);
+    PhoneAccountHandle phoneAccountHandle =
+        new PhoneAccountHandle(
+            ComponentName.unflattenFromString(status.phoneAccountComponentName),
+            status.phoneAccountId);
+
+    TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class);
+
+    boolean visualVoicemailEnabled =
+        TelephonyManagerCompat.isVisualVoicemailEnabled(telephonyManager, phoneAccountHandle);
+    LogUtil.i(
+        "VoicemailStatusCorruptionHandler.maybeFixVoicemailStatus",
+        "Source="
+            + source
+            + ", CONFIGURATION_STATE="
+            + status.configurationState
+            + ", visualVoicemailEnabled="
+            + visualVoicemailEnabled);
+
+    // If visual voicemail is enabled, the CONFIGURATION_STATE should be either OK, PIN_NOT_SET,
+    // or other failure code. CONFIGURATION_STATE_NOT_CONFIGURED means that the client has been
+    // shut down improperly (a bug). The client should be reset or the VVM tab will be
+    // missing.
+    if (Status.CONFIGURATION_STATE_NOT_CONFIGURED == status.configurationState
+        && visualVoicemailEnabled) {
+      LogUtil.e(
+          "VoicemailStatusCorruptionHandler.maybeFixVoicemailStatus",
+          "VVM3 voicemail status corrupted");
+
+      switch (source) {
+        case Activity:
+          Logger.get(context)
+              .logImpression(
+                  DialerImpression.Type
+                      .VOICEMAIL_CONFIGURATION_STATE_CORRUPTION_DETECTED_FROM_ACTIVITY);
+          break;
+        case Notification:
+          Logger.get(context)
+              .logImpression(
+                  DialerImpression.Type
+                      .VOICEMAIL_CONFIGURATION_STATE_CORRUPTION_DETECTED_FROM_NOTIFICATION);
+          break;
+        default:
+          Assert.fail("this should never happen");
+          break;
+      }
+      // At this point we could attempt to work around the issue by disabling and re-enabling
+      // voicemail. Unfortunately this work around is buggy so we'll do nothing for now.
+    }
+  }
+}