Support 'WiFi calling' devices.

// FREEBIE

Fixes #2254
Fixes #2240
Fixes #2160

Closes #2263

res/values/strings.xml

@@ -731,6 +731,8 @@
     <string name="preferences__sms_fallback_never_send_mms">Never send MMS</string>
     <string name="preferences__sms_fallback_non_push_users">Non-TextSecure users</string>
     <string name="preferences__sms_fallback_nobody">Nobody</string>
+    <string name="preferences__support_wifi_calling">\'WiFi Calling\' compatibility mode</string>
+    <string name="preferences__enable_if_your_device_supports_sms_mms_delivery_over_wifi">Enable if your device uses SMS/MMS delivery over WiFi (only enable when \'WiFi Calling\' is enabled on your device).</string>
 
     <!-- **************************************** -->
     <!-- menus -->

res/xml/preferences_sms_mms.xml

@@ -24,6 +24,11 @@
                         android:summary="@string/preferences__request_a_delivery_report_for_each_sms_message_you_send"
                         android:title="@string/preferences__sms_delivery_reports" />
 
+    <CheckBoxPreference android:defaultValue="false"
+                        android:key="pref_wifi_sms"
+                        android:title="@string/preferences__support_wifi_calling"
+                        android:summary="@string/preferences__enable_if_your_device_supports_sms_mms_delivery_over_wifi"/>
+
     <Preference android:key="pref_mms_preferences"
                 android:title="@string/preferences__advanced_mms_access_point_names"/>
 

src/org/thoughtcrime/securesms/jobs/SmsSendJob.java

@@ -15,6 +15,7 @@ import org.thoughtcrime.securesms.database.EncryptingSmsDatabase;
 import org.thoughtcrime.securesms.database.NoSuchMessageException;
 import org.thoughtcrime.securesms.database.model.SmsMessageRecord;
 import org.thoughtcrime.securesms.jobs.requirements.MasterSecretRequirement;
+import org.thoughtcrime.securesms.jobs.requirements.NetworkOrServiceRequirement;
 import org.thoughtcrime.securesms.jobs.requirements.ServiceRequirement;
 import org.thoughtcrime.securesms.notifications.MessageNotifier;
 import org.thoughtcrime.securesms.recipients.Recipients;
@@ -37,13 +38,7 @@ public class SmsSendJob extends MasterSecretJob {
   private final long messageId;
 
   public SmsSendJob(Context context, long messageId, String name) {
-    super(context, JobParameters.newBuilder()
-                                .withPersistence()
-                                .withRequirement(new MasterSecretRequirement(context))
-                                .withRequirement(new ServiceRequirement(context))
-                                .withGroupId(name)
-                                .create());
-
+    super(context, constructParameters(context, name));
     this.messageId = messageId;
   }
 
@@ -105,7 +100,7 @@ public class SmsSendJob extends MasterSecretJob {
       throws UndeliverableMessageException, InsecureFallbackApprovalException
   {
     MultipartSmsMessageHandler multipartMessageHandler = new MultipartSmsMessageHandler();
-    OutgoingTextMessage transportMessage               = OutgoingTextMessage.from(message);
+    OutgoingTextMessage        transportMessage        = OutgoingTextMessage.from(message);
 
     if (message.isSecure() || message.isEndSession()) {
       transportMessage = getAsymmetricEncrypt(masterSecret, transportMessage);
@@ -227,7 +222,7 @@ public class SmsSendJob extends MasterSecretJob {
     return pending;
   }
 
-  protected Intent constructDeliveredIntent(Context context, long messageId, long type) {
+  private Intent constructDeliveredIntent(Context context, long messageId, long type) {
     Intent pending = new Intent(SmsDeliveryListener.DELIVERED_SMS_ACTION,
                                 Uri.parse("custom://" + messageId + System.currentTimeMillis()),
                                 context, SmsDeliveryListener.class);
@@ -237,5 +232,20 @@ public class SmsSendJob extends MasterSecretJob {
     return pending;
   }
 
+  private static JobParameters constructParameters(Context context, String name) {
+    JobParameters.Builder builder = JobParameters.newBuilder()
+                                                 .withPersistence()
+                                                 .withRequirement(new MasterSecretRequirement(context))
+                                                 .withGroupId(name);
+
+    if (TextSecurePreferences.isWifiSmsEnabled(context)) {
+      builder.withRequirement(new NetworkOrServiceRequirement(context));
+    } else {
+      builder.withRequirement(new ServiceRequirement(context));
+    }
+
+    return builder.create();
+  }
+
 
 }

src/org/thoughtcrime/securesms/jobs/requirements/NetworkOrServiceRequirement.java

@@ -0,0 +1,29 @@
+package org.thoughtcrime.securesms.jobs.requirements;
+
+import android.content.Context;
+
+import org.whispersystems.jobqueue.dependencies.ContextDependent;
+import org.whispersystems.jobqueue.requirements.NetworkRequirement;
+import org.whispersystems.jobqueue.requirements.Requirement;
+
+public class NetworkOrServiceRequirement implements Requirement, ContextDependent {
+
+  private transient Context context;
+
+  public NetworkOrServiceRequirement(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public void setContext(Context context) {
+    this.context = context;
+  }
+
+  @Override
+  public boolean isPresent() {
+    NetworkRequirement networkRequirement = new NetworkRequirement(context);
+    ServiceRequirement serviceRequirement = new ServiceRequirement(context);
+
+    return networkRequirement.isPresent() || serviceRequirement.isPresent();
+  }
+}

src/org/thoughtcrime/securesms/jobs/requirements/ServiceRequirement.java

@@ -17,15 +17,10 @@ public class ServiceRequirement implements Requirement, ContextDependent {
 
   private static final String TAG = ServiceRequirement.class.getSimpleName();
 
-  private final transient ServiceRequirementProvider provider;
-
   private transient Context context;
 
   public ServiceRequirement(Context context) {
     this.context  = context;
-    this.provider = (ServiceRequirementProvider)ApplicationContext.getInstance(context)
-                                                                  .getJobManager()
-                                                                  .getRequirementProvider("telephony-service");
   }
 
   @Override

src/org/thoughtcrime/securesms/util/TextSecurePreferences.java

@@ -57,6 +57,7 @@ public class TextSecurePreferences {
   private static final String DIRECT_SMS_ALLOWED_PREF          = "pref_sms_non_data_out";
   private static final String FALLBACK_MMS_ENABLED_PREF        = "pref_mms_fallback_enabled";
   private static final String SIGNED_PREKEY_REGISTERED_PREF    = "pref_signed_prekey_registered";
+  private static final String WIFI_SMS_PREF                    = "pref_wifi_sms";
 
   private static final String GCM_REGISTRATION_ID_PREF         = "pref_gcm_registration_id";
   private static final String GCM_REGISTRATION_ID_VERSION_PREF = "pref_gcm_registration_id_version";
@@ -64,6 +65,10 @@ public class TextSecurePreferences {
   private static final String PUSH_REGISTRATION_REMINDER_PREF  = "pref_push_registration_reminder";
   public  static final String REPEAT_ALERTS_PREF               = "pref_repeat_alerts";
 
+  public static boolean isWifiSmsEnabled(Context context) {
+    return getBooleanPreference(context, WIFI_SMS_PREF, false);
+  }
+
   public static int getRepeatAlertsCount(Context context) {
     try {
       return Integer.parseInt(getStringPreference(context, REPEAT_ALERTS_PREF, "0"));