1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.svox.pico.providers; 17 18 import android.content.ContentProvider; 19 import android.content.ContentValues; 20 import android.database.Cursor; 21 import android.database.MatrixCursor; 22 import android.net.Uri; 23 import android.os.Environment; 24 25 /* 26 * This content provider enables the TtsService to get a String of configuration 27 * data from the plugin engine and pass it back to that engine's .so file in the 28 * native layer. 29 * 30 * In this particular case, the only configuration information being passed is 31 * the location of the data files for the Pico engine which live under 32 * /<external storage>/svox/ 33 * 34 */ 35 36 public class SettingsProvider extends ContentProvider { 37 private class SettingsCursor extends MatrixCursor { 38 private String settings; 39 SettingsCursor(String[] columnNames)40 public SettingsCursor(String[] columnNames) { 41 super(columnNames); 42 } 43 putSettings(String settings)44 public void putSettings(String settings){ 45 this.settings = settings; 46 } 47 48 @Override getCount()49 public int getCount(){ 50 return 1; 51 } 52 53 @Override getString(int column)54 public String getString(int column){ 55 return settings; 56 } 57 } 58 59 60 @Override delete(Uri uri, String selection, String[] selectionArgs)61 public int delete(Uri uri, String selection, String[] selectionArgs) { 62 return 0; 63 } 64 65 @Override getType(Uri uri)66 public String getType(Uri uri) { 67 return null; 68 } 69 70 @Override insert(Uri uri, ContentValues values)71 public Uri insert(Uri uri, ContentValues values) { 72 return null; 73 } 74 75 @Override onCreate()76 public boolean onCreate() { 77 return true; 78 } 79 80 @Override query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)81 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, 82 String sortOrder) { 83 String[] dummyColumns = {"", ""}; 84 SettingsCursor cursor = new SettingsCursor(dummyColumns); 85 cursor.putSettings(Environment.getExternalStorageDirectory() + "/svox/"); 86 return cursor; 87 } 88 89 @Override update(Uri uri, ContentValues values, String selection, String[] selectionArgs)90 public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { 91 return 0; 92 } 93 94 } 95