Added TTS

app/src/main/AndroidManifest.xml

@@ -91,6 +91,8 @@
         <intent>
             <action android:name="org.openintents.openpgp.IOpenPgpService2" />
         </intent>
+
+        <package android:name="com.google.android.tts" />
     </queries>
 
     <application

app/src/main/java/eu/faircode/email/AdapterRule.java

@@ -167,6 +167,9 @@ public class AdapterRule extends RecyclerView.Adapter<AdapterRule.ViewHolder> {
                     case EntityRule.TYPE_ANSWER:
                         tvAction.setText(R.string.title_rule_answer);
                         break;
+                    case EntityRule.TYPE_TTS:
+                        tvAction.setText(R.string.title_rule_tts);
+                        break;
                     case EntityRule.TYPE_AUTOMATION:
                         tvAction.setText(R.string.title_rule_automation);
                         break;

app/src/main/java/eu/faircode/email/EntityRule.java

@@ -98,6 +98,7 @@ public class EntityRule {
     static final int TYPE_KEYWORD = 11;
     static final int TYPE_HIDE = 12;
     static final int TYPE_IMPORTANCE = 13;
+    static final int TYPE_TTS = 14;
 
     static final String ACTION_AUTOMATION = BuildConfig.APPLICATION_ID + ".AUTOMATION";
     static final String EXTRA_RULE = "rule";
@@ -323,6 +324,8 @@ public class EntityRule {
                 return onActionCopy(context, message, jaction);
             case TYPE_ANSWER:
                 return onActionAnswer(context, message, jaction);
+            case TYPE_TTS:
+                return onActionTts(context, message, jaction);
             case TYPE_AUTOMATION:
                 return onActionAutomation(context, message, jaction);
             default:
@@ -480,6 +483,24 @@ public class EntityRule {
         return true;
     }
 
+    private boolean onActionTts(Context context, EntityMessage message, JSONObject jargs) {
+        StringBuilder sb = new StringBuilder();
+        sb.append(context.getString(R.string.title_rule_tts_prefix));
+
+        if (message.from != null && message.from.length > 0)
+            sb.append(' ').append(context.getString(R.string.title_from))
+                    .append(' ').append(MessageHelper.formatAddressesShort(message.from));
+
+        if (!TextUtils.isEmpty(message.subject))
+            sb.append(' ').append(context.getString(R.string.title_subject))
+                    .append(' ').append(message.subject);
+
+        EntityLog.log(context, "TTS queued language=" + message.language + " text=" + sb.toString());
+        TTSHelper.speak(context, "rule:" + message.id, sb.toString(), message.language);
+
+        return true;
+    }
+
     private boolean onActionSnooze(Context context, EntityMessage message, JSONObject jargs) throws JSONException {
         int duration = jargs.getInt("duration");
         boolean schedule_end = jargs.optBoolean("schedule_end", false);

app/src/main/java/eu/faircode/email/FragmentRule.java

@@ -31,6 +31,7 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.provider.ContactsContract;
+import android.speech.tts.TextToSpeech;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.view.LayoutInflater;
@@ -133,6 +134,8 @@ public class FragmentRule extends FragmentBase {
     private Spinner spAnswer;
     private CheckBox cbCc;
 
+    private Button btnTts;
+
     private TextView tvAutomation;
 
     private BottomNavigationView bottom_navigation;
@@ -146,6 +149,7 @@ public class FragmentRule extends FragmentBase {
     private Group grpMove;
     private Group grpMoveProp;
     private Group grpAnswer;
+    private Group grpTts;
     private Group grpAutomation;
 
     private ArrayAdapter<String> adapterDay;
@@ -168,6 +172,7 @@ public class FragmentRule extends FragmentBase {
     private final static int REQUEST_DELETE = 4;
     private final static int REQUEST_SCHEDULE_START = 5;
     private final static int REQUEST_SCHEDULE_END = 6;
+    private final static int REQUEST_TTS = 7;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -247,6 +252,7 @@ public class FragmentRule extends FragmentBase {
         spAnswer = view.findViewById(R.id.spAnswer);
         cbCc = view.findViewById(R.id.cbCc);
 
+        btnTts = view.findViewById(R.id.btnTts);
         tvAutomation = view.findViewById(R.id.tvAutomation);
 
         bottom_navigation = view.findViewById(R.id.bottom_navigation);
@@ -261,6 +267,7 @@ public class FragmentRule extends FragmentBase {
         grpMove = view.findViewById(R.id.grpMove);
         grpMoveProp = view.findViewById(R.id.grpMoveProp);
         grpAnswer = view.findViewById(R.id.grpAnswer);
+        grpTts = view.findViewById(R.id.grpTts);
         grpAutomation = view.findViewById(R.id.grpAutomation);
 
         ibSender.setOnClickListener(new View.OnClickListener() {
@@ -391,6 +398,7 @@ public class FragmentRule extends FragmentBase {
             actions.add(new Action(EntityRule.TYPE_COPY, getString(R.string.title_rule_copy)));
         }
         actions.add(new Action(EntityRule.TYPE_ANSWER, getString(R.string.title_rule_answer)));
+        actions.add(new Action(EntityRule.TYPE_TTS, getString(R.string.title_rule_tts)));
         actions.add(new Action(EntityRule.TYPE_AUTOMATION, getString(R.string.title_rule_automation)));
         adapterAction.addAll(actions);
 
@@ -454,6 +462,15 @@ public class FragmentRule extends FragmentBase {
         spIdent.setOnItemSelectedListener(onItemSelectedListener);
         spAnswer.setOnItemSelectedListener(onItemSelectedListener);
 
+        btnTts.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent tts = new Intent();
+                tts.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
+                startActivityForResult(tts, REQUEST_TTS);
+            }
+        });
+
         tvAutomation.setText(getString(R.string.title_rule_automation_hint,
                 EntityRule.ACTION_AUTOMATION,
                 TextUtils.join(",", new String[]{
@@ -491,6 +508,7 @@ public class FragmentRule extends FragmentBase {
         grpMove.setVisibility(View.GONE);
         grpMoveProp.setVisibility(View.GONE);
         grpAnswer.setVisibility(View.GONE);
+        grpTts.setVisibility(View.GONE);
         grpAutomation.setVisibility(View.GONE);
         pbWait.setVisibility(View.VISIBLE);
 
@@ -634,6 +652,15 @@ public class FragmentRule extends FragmentBase {
                     if (resultCode == RESULT_OK)
                         onScheduleEnd(data.getBundleExtra("args"));
                     break;
+                case REQUEST_TTS:
+                    if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS)
+                        ToastEx.makeText(getContext(), android.R.string.ok, Toast.LENGTH_LONG).show();
+                    else {
+                        Intent tts = new Intent();
+                        tts.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
+                        startActivity(tts);
+                    }
+                    break;
             }
         } catch (Throwable ex) {
             Log.e(ex);
@@ -881,6 +908,7 @@ public class FragmentRule extends FragmentBase {
         grpMove.setVisibility(type == EntityRule.TYPE_MOVE || type == EntityRule.TYPE_COPY ? View.VISIBLE : View.GONE);
         grpMoveProp.setVisibility(type == EntityRule.TYPE_MOVE ? View.VISIBLE : View.GONE);
         grpAnswer.setVisibility(type == EntityRule.TYPE_ANSWER ? View.VISIBLE : View.GONE);
+        grpTts.setVisibility(type == EntityRule.TYPE_TTS ? View.VISIBLE : View.GONE);
         grpAutomation.setVisibility(type == EntityRule.TYPE_AUTOMATION ? View.VISIBLE : View.GONE);
     }
 

app/src/main/java/eu/faircode/email/TTSHelper.java

@@ -0,0 +1,44 @@
+package eu.faircode.email;
+
+import android.content.Context;
+import android.speech.tts.TextToSpeech;
+
+import java.util.Locale;
+
+public class TTSHelper {
+    private static boolean initialized;
+    private static TextToSpeech instance;
+
+    static void speak(Context context, final String utteranceId, final String text, final String language) {
+        // https://developer.android.com/reference/android/speech/tts/TextToSpeech
+        // https://android-developers.googleblog.com/2009/09/introduction-to-text-to-speech-in.html
+
+        final Runnable speak = new Runnable() {
+            @Override
+            public void run() {
+                if (language != null) {
+                    Locale loc = new Locale(language);
+                    if (instance.setLanguage(loc) < 0)
+                        EntityLog.log(context, "TTS unavailable language=" + loc);
+                }
+
+                instance.speak(text, TextToSpeech.QUEUE_ADD, null, utteranceId);
+            }
+        };
+
+        if (initialized) {
+            speak.run();
+            return;
+        }
+
+        instance = new TextToSpeech(context, new TextToSpeech.OnInitListener() {
+            @Override
+            public void onInit(int status) {
+                initialized = (status == TextToSpeech.SUCCESS);
+                Log.i("TTS status=" + status + " ok=" + initialized);
+                if (initialized)
+                    speak.run();
+            }
+        });
+    }
+}

app/src/main/res/layout/fragment_rule.xml

@@ -689,6 +689,16 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/cbCc" />
 
+                <Button
+                    android:id="@+id/btnTts"
+                    style="?android:attr/buttonStyleSmall"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_rule_tts_setup"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvAnswerRemark" />
+
                 <eu.faircode.email.FixedTextView
                     android:id="@+id/tvAutomation"
                     android:layout_width="wrap_content"
@@ -697,7 +707,7 @@
                     android:text="@string/title_rule_automation_hint"
                     android:textAppearance="@style/TextAppearance.AppCompat.Small"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/tvAnswerRemark" />
+                    app:layout_constraintTop_toBottomOf="@+id/btnTts" />
 
                 <androidx.constraintlayout.widget.Group
                     android:id="@+id/grpReady"
@@ -755,6 +765,12 @@
                     android:layout_height="0dp"
                     app:constraint_referenced_ids="tvAnswerIdentity,spIdent,tvAnswerTemplate,spAnswer,cbCc,tvAnswerRemark" />
 
+                <androidx.constraintlayout.widget.Group
+                    android:id="@+id/grpTts"
+                    android:layout_width="0dp"
+                    android:layout_height="0dp"
+                    app:constraint_referenced_ids="btnTts" />
+
                 <androidx.constraintlayout.widget.Group
                     android:id="@+id/grpAutomation"
                     android:layout_width="0dp"

app/src/main/res/values/strings.xml

@@ -1055,6 +1055,7 @@
     <string name="title_rule_move">Move</string>
     <string name="title_rule_copy">Copy (label)</string>
     <string name="title_rule_answer">Reply</string>
+    <string name="title_rule_tts">Text to speech</string>
     <string name="title_rule_automation">Automation</string>
 
     <string name="title_rule_caption">Edit rule</string>
@@ -1095,6 +1096,9 @@
     <string name="title_rule_matched">Matching messages</string>
     <string name="title_rule_no_matches">No matching messages</string>
 
+    <string name="title_rule_tts_setup">Check setup</string>
+    <string name="title_rule_tts_prefix">New message</string>
+
     <string name="title_legend_section_synchronize">Synchronize</string>
     <string name="title_legend_section_folders">Folders</string>
     <string name="title_legend_section_messages">Messages</string>