Adding Text-To-Speech default settings in the Settings application.

1 files changed, 122 insertions, 0 deletions

diff --git a/src/com/android/settings/TextToSpeechSettings.java b/src/com/android/settings/TextToSpeechSettings.java
new file mode 100644
index 0000000..02fc06d
--- /dev/null
+++ b/src/com/android/settings/TextToSpeechSettings.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2009 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.settings;
+
+import static android.provider.Settings.Secure.TTS_USE_DEFAULTS;
+import static android.provider.Settings.Secure.TTS_DEFAULT_RATE;
+import static android.provider.Settings.Secure.TTS_DEFAULT_PITCH;
+
+import android.content.ContentResolver;
+import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.CheckBoxPreference;
+import android.provider.Settings;
+import android.util.Log;
+
+public class TextToSpeechSettings extends PreferenceActivity implements
+        Preference.OnPreferenceChangeListener {
+
+    private static final String TAG = "TextToSpeechSettings";
+    
+    /** If there is no setting in the provider, use this. */
+    private static final int FALLBACK_TTS_DEFAULT_RATE = 100; // 1x
+    private static final int FALLBACK_TTS_DEFAULT_PITCH = 100;// 1x
+    private static final int FALLBACK_TTS_USE_DEFAULTS = 1;
+
+    private static final String KEY_TTS_USE_DEFAULT =
+            "toggle_use_default_tts_settings";
+    private static final String KEY_TTS_DEFAULT_RATE = "tts_default_rate";
+    private static final String KEY_TTS_DEFAULT_PITCH = "tts_default_pitch";
+    
+    private CheckBoxPreference mUseDefaultPref = null;
+    private ListPreference     mDefaultRatePref = null;
+    private ListPreference     mDefaultPitchPref = null;
+    
+    
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        addPreferencesFromResource(R.xml.tts_settings);
+        
+        initDefaultSettings();
+    }
+
+
+    private void initDefaultSettings() {
+        ContentResolver resolver = getContentResolver();
+
+        // "Use Defaults"
+        mUseDefaultPref = 
+            (CheckBoxPreference) findPreference(KEY_TTS_USE_DEFAULT);
+        mUseDefaultPref.setChecked(Settings.System.getInt(resolver,
+                TTS_USE_DEFAULTS,
+                FALLBACK_TTS_USE_DEFAULTS) == 1 ? true : false);
+        mUseDefaultPref.setOnPreferenceChangeListener(this);
+
+        // Default rate
+        mDefaultRatePref =
+            (ListPreference) findPreference(KEY_TTS_DEFAULT_RATE);
+        mDefaultRatePref.setValue(String.valueOf(Settings.System.getInt(
+                resolver, TTS_DEFAULT_RATE, FALLBACK_TTS_DEFAULT_RATE)));
+        mDefaultRatePref.setOnPreferenceChangeListener(this);
+
+        // Default pitch
+        mDefaultPitchPref =
+            (ListPreference) findPreference(KEY_TTS_DEFAULT_PITCH);
+        mDefaultPitchPref.setValue(String.valueOf(Settings.System.getInt(
+                resolver, TTS_DEFAULT_PITCH, FALLBACK_TTS_DEFAULT_PITCH)));
+        mDefaultPitchPref.setOnPreferenceChangeListener(this);
+        
+    }
+
+
+    public boolean onPreferenceChange(Preference preference, Object objValue) {
+        if (KEY_TTS_USE_DEFAULT.equals(preference.getKey())) {
+            // "Use Defaults"
+            int value = (Boolean)objValue ? 1 : 0;
+            Settings.System.putInt(getContentResolver(), TTS_USE_DEFAULTS,
+                    value);
+            Log.i(TAG, "TTS use default settings is "+objValue.toString());
+        } else if (KEY_TTS_DEFAULT_RATE.equals(preference.getKey())) {
+            // Default rate
+            int value = Integer.parseInt((String) objValue);
+            try {
+                Settings.System.putInt(getContentResolver(), 
+                        TTS_DEFAULT_RATE, value);
+                Log.i(TAG, "TTS default rate is "+value);
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "could not persist default TTS rate setting", e);
+            }
+        } else if (KEY_TTS_DEFAULT_PITCH.equals(preference.getKey())) {
+            // Default pitch
+            int value = Integer.parseInt((String) objValue);
+            try {
+                Settings.System.putInt(getContentResolver(), 
+                        TTS_DEFAULT_PITCH, value);
+                Log.i(TAG, "TTS default pitch is "+value);
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "could not persist default TTS pitch setting", e);
+            }
+        }
+        
+        return true;
+    }
+    
+}