VoiceSettings.java: Support reading the default_gender and espeak_variant preferences.

android/src/com/reecedunn/espeak/VoiceSettings.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2013 Reece H. Dunn
+ *
+ * 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.reecedunn.espeak;
+
+import android.content.SharedPreferences;
+
+public class VoiceSettings {
+    private final SharedPreferences mPreferences;
+
+    public static final String PREF_DEFAULT_GENDER = "default_gender";
+    public static final String PREF_VARIANT = "espeak_variant";
+
+    public VoiceSettings(SharedPreferences preferences) {
+        mPreferences = preferences;
+    }
+
+    public VoiceVariant getVoiceVariant() {
+        String variant = mPreferences.getString(PREF_VARIANT, null);
+        if (variant == null) {
+            int gender = getPreferenceValue(PREF_DEFAULT_GENDER, SpeechSynthesis.GENDER_MALE);
+            if (gender == SpeechSynthesis.GENDER_FEMALE) {
+                return VoiceVariant.parseVoiceVariant(VoiceVariant.FEMALE);
+            }
+            return VoiceVariant.parseVoiceVariant(VoiceVariant.MALE);
+        }
+        return VoiceVariant.parseVoiceVariant(variant);
+    }
+
+    private int getPreferenceValue(String preference, int defaultValue) {
+        String prefString = mPreferences.getString(preference, null);
+        if (prefString == null) {
+            return defaultValue;
+        }
+        return Integer.parseInt(prefString);
+    }
+}