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

android/eSpeakTests/src/com/reecedunn/espeak/test/VoiceSettingsTest.java

+/*
+ * 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.test;
+
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import android.test.AndroidTestCase;
+
+import com.reecedunn.espeak.SpeechSynthesis;
+import com.reecedunn.espeak.VoiceSettings;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.*;
+
+public class VoiceSettingsTest extends AndroidTestCase
+{
+    // No Settings (New Install)
+
+    public void testNoPreferences()
+    {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.clear();
+        editor.commit();
+
+        VoiceSettings settings = new VoiceSettings(prefs);
+        assertThat(settings.getVoiceVariant().toString(), is("male"));
+    }
+
+    // Old Settings
+
+    public void testDefaultGenderMale()
+    {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.clear();
+        editor.putString("default_gender", Integer.toString(SpeechSynthesis.GENDER_MALE));
+        editor.commit();
+
+        VoiceSettings settings = new VoiceSettings(prefs);
+        assertThat(settings.getVoiceVariant().toString(), is("male"));
+    }
+
+    public void testDefaultGenderFemale()
+    {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.clear();
+        editor.putString("default_gender", Integer.toString(SpeechSynthesis.GENDER_FEMALE));
+        editor.commit();
+
+        VoiceSettings settings = new VoiceSettings(prefs);
+        assertThat(settings.getVoiceVariant().toString(), is("female"));
+    }
+
+    // New Settings
+
+    public void testEspeakVariant()
+    {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.clear();
+        editor.putString("espeak_variant", "klatt2-old");
+        editor.commit();
+
+        VoiceSettings settings = new VoiceSettings(prefs);
+        assertThat(settings.getVoiceVariant().toString(), is("klatt2-old"));
+    }
+
+    // Mixed (Old and New) Settings
+
+    public void testEspeakVariantWithDefaultGenderFemale()
+    {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
+        SharedPreferences.Editor editor = prefs.edit();
+        editor.clear();
+        editor.putString("default_gender", Integer.toString(SpeechSynthesis.GENDER_FEMALE));
+        editor.putString("espeak_variant", "klatt4");
+        editor.commit();
+
+        VoiceSettings settings = new VoiceSettings(prefs);
+        assertThat(settings.getVoiceVariant().toString(), is("klatt4"));
+    }
+}

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

+/*
+ * 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);
+    }
+}