Code drop from //branches/cupcake/...@124589
diff --git a/src/com/android/launcher/LauncherProvider.java b/src/com/android/launcher/LauncherProvider.java
new file mode 100644
index 0000000..a3e529d
--- /dev/null
+++ b/src/com/android/launcher/LauncherProvider.java
@@ -0,0 +1,435 @@
+/*
+ * Copyright (C) 2008 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.launcher;
+
+import android.content.ContentProvider;
+import android.content.Context;
+import android.content.ContentValues;
+import android.content.Intent;
+import android.content.ComponentName;
+import android.content.ContentUris;
+import android.content.ContentResolver;
+import android.content.pm.PackageManager;
+import android.content.pm.ActivityInfo;
+import android.database.sqlite.SQLiteOpenHelper;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteQueryBuilder;
+import android.database.Cursor;
+import android.util.Log;
+import android.util.Xml;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.os.*;
+import android.provider.Settings;
+
+import java.io.FileReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import com.android.internal.util.XmlUtils;
+
+public class LauncherProvider extends ContentProvider {
+ private static final String LOG_TAG = "LauncherSettingsProvider";
+
+ private static final String DATABASE_NAME = "launcher.db";
+ private static final int DATABASE_VERSION = 1;
+
+ static final String AUTHORITY = "com.android.launcher.settings";
+
+ static final String TABLE_FAVORITES = "favorites";
+ static final String PARAMETER_NOTIFY = "notify";
+
+ private SQLiteOpenHelper mOpenHelper;
+
+ @Override
+ public boolean onCreate() {
+ mOpenHelper = new DatabaseHelper(getContext());
+ return true;
+ }
+
+ @Override
+ public String getType(Uri uri) {
+ SqlArguments args = new SqlArguments(uri, null, null);
+ if (TextUtils.isEmpty(args.where)) {
+ return "vnd.android.cursor.dir/" + args.table;
+ } else {
+ return "vnd.android.cursor.item/" + args.table;
+ }
+ }
+
+ @Override
+ public Cursor query(Uri uri, String[] projection, String selection,
+ String[] selectionArgs, String sortOrder) {
+
+ SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
+ SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
+ qb.setTables(args.table);
+
+ SQLiteDatabase db = mOpenHelper.getReadableDatabase();
+ Cursor result = qb.query(db, projection, args.where, args.args, null, null, sortOrder);
+ result.setNotificationUri(getContext().getContentResolver(), uri);
+
+ return result;
+ }
+
+ @Override
+ public Uri insert(Uri uri, ContentValues initialValues) {
+ SqlArguments args = new SqlArguments(uri);
+
+ SQLiteDatabase db = mOpenHelper.getWritableDatabase();
+ final long rowId = db.insert(args.table, null, initialValues);
+ if (rowId <= 0) return null;
+
+ uri = ContentUris.withAppendedId(uri, rowId);
+ sendNotify(uri);
+
+ return uri;
+ }
+
+ @Override
+ public int bulkInsert(Uri uri, ContentValues[] values) {
+ SqlArguments args = new SqlArguments(uri);
+
+ SQLiteDatabase db = mOpenHelper.getWritableDatabase();
+ db.beginTransaction();
+ try {
+ int numValues = values.length;
+ for (int i = 0; i < numValues; i++) {
+ if (db.insert(args.table, null, values[i]) < 0) return 0;
+ }
+ db.setTransactionSuccessful();
+ } finally {
+ db.endTransaction();
+ }
+
+ sendNotify(uri);
+ return values.length;
+ }
+
+ @Override
+ public int delete(Uri uri, String selection, String[] selectionArgs) {
+ SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
+
+ SQLiteDatabase db = mOpenHelper.getWritableDatabase();
+ int count = db.delete(args.table, args.where, args.args);
+ if (count > 0) sendNotify(uri);
+
+ return count;
+ }
+
+ @Override
+ public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
+ SqlArguments args = new SqlArguments(uri, selection, selectionArgs);
+
+ SQLiteDatabase db = mOpenHelper.getWritableDatabase();
+ int count = db.update(args.table, values, args.where, args.args);
+ if (count > 0) sendNotify(uri);
+
+ return count;
+ }
+
+ private void sendNotify(Uri uri) {
+ String notify = uri.getQueryParameter(PARAMETER_NOTIFY);
+ if (notify == null || "true".equals(notify)) {
+ getContext().getContentResolver().notifyChange(uri, null);
+ }
+ }
+
+ private static class DatabaseHelper extends SQLiteOpenHelper {
+ /**
+ * Path to file containing default favorite packages, relative to ANDROID_ROOT.
+ */
+ private static final String DEFAULT_FAVORITES_PATH = "etc/favorites.xml";
+
+ private static final String TAG_FAVORITES = "favorites";
+ private static final String TAG_FAVORITE = "favorite";
+ private static final String TAG_PACKAGE = "package";
+ private static final String TAG_CLASS = "class";
+
+ private static final String ATTRIBUTE_SCREEN = "screen";
+ private static final String ATTRIBUTE_X = "x";
+ private static final String ATTRIBUTE_Y = "y";
+
+ private final Context mContext;
+
+ DatabaseHelper(Context context) {
+ super(context, DATABASE_NAME, null, DATABASE_VERSION);
+ mContext = context;
+ }
+
+ @Override
+ public void onCreate(SQLiteDatabase db) {
+ db.execSQL("CREATE TABLE favorites (" +
+ "_id INTEGER PRIMARY KEY," +
+ "title TEXT," +
+ "intent TEXT," +
+ "container INTEGER," +
+ "screen INTEGER," +
+ "cellX INTEGER," +
+ "cellY INTEGER," +
+ "spanX INTEGER," +
+ "spanY INTEGER," +
+ "itemType INTEGER," +
+ "isShortcut INTEGER," +
+ "iconType INTEGER," +
+ "iconPackage TEXT," +
+ "iconResource TEXT," +
+ "icon BLOB," +
+ "uri TEXT," +
+ "displayMode INTEGER" +
+ ");");
+
+ if (!convertDatabase(db)) {
+ // Populate favorites table with initial favorites
+ loadFavorites(db, DEFAULT_FAVORITES_PATH);
+ }
+ }
+
+ private boolean convertDatabase(SQLiteDatabase db) {
+ boolean converted = false;
+
+ final Uri uri = Uri.parse("content://" + Settings.AUTHORITY +
+ "/favorites?notify=true");
+ final ContentResolver resolver = mContext.getContentResolver();
+ Cursor cursor = null;
+
+ try {
+ cursor = resolver.query(uri, null, null, null, null);
+ } catch (Exception e) {
+ // Ignore
+ }
+
+ // We already have a favorites database in the old provider
+ if (cursor != null && cursor.getCount() > 0) {
+ try {
+ converted = copyFromCursor(db, cursor) > 0;
+ } finally {
+ cursor.close();
+ }
+
+ if (converted) {
+ resolver.delete(uri, null, null);
+ }
+ }
+
+ return converted;
+ }
+
+ private int copyFromCursor(SQLiteDatabase db, Cursor c) {
+ final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ID);
+ final int intentIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.INTENT);
+ final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE);
+ final int iconTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_TYPE);
+ final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON);
+ final int iconPackageIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_PACKAGE);
+ final int iconResourceIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_RESOURCE);
+ final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER);
+ final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE);
+ final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN);
+ final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX);
+ final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY);
+ final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI);
+ final int displayModeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.DISPLAY_MODE);
+
+ ContentValues[] rows = new ContentValues[c.getCount()];
+ int i = 0;
+ while (c.moveToNext()) {
+ ContentValues values = new ContentValues(c.getColumnCount());
+ values.put(LauncherSettings.Favorites.ID, c.getLong(idIndex));
+ values.put(LauncherSettings.Favorites.INTENT, c.getString(intentIndex));
+ values.put(LauncherSettings.Favorites.TITLE, c.getString(titleIndex));
+ values.put(LauncherSettings.Favorites.ICON_TYPE, c.getInt(iconTypeIndex));
+ values.put(LauncherSettings.Favorites.ICON, c.getBlob(iconIndex));
+ values.put(LauncherSettings.Favorites.ICON_PACKAGE, c.getString(iconPackageIndex));
+ values.put(LauncherSettings.Favorites.ICON_RESOURCE, c.getString(iconResourceIndex));
+ values.put(LauncherSettings.Favorites.CONTAINER, c.getInt(containerIndex));
+ values.put(LauncherSettings.Favorites.ITEM_TYPE, c.getInt(itemTypeIndex));
+ values.put(LauncherSettings.Favorites.SCREEN, c.getInt(screenIndex));
+ values.put(LauncherSettings.Favorites.CELLX, c.getInt(cellXIndex));
+ values.put(LauncherSettings.Favorites.CELLY, c.getInt(cellYIndex));
+ values.put(LauncherSettings.Favorites.URI, c.getString(uriIndex));
+ values.put(LauncherSettings.Favorites.DISPLAY_MODE, c.getInt(displayModeIndex));
+ rows[i++] = values;
+ }
+
+ db.beginTransaction();
+ int total = 0;
+ try {
+ int numValues = rows.length;
+ for (i = 0; i < numValues; i++) {
+ if (db.insert(TABLE_FAVORITES, null, rows[i]) < 0) {
+ return 0;
+ } else {
+ total++;
+ }
+ }
+ db.setTransactionSuccessful();
+ } finally {
+ db.endTransaction();
+ }
+
+ return total;
+ }
+
+ @Override
+ public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+ Log.w(LOG_TAG, "Upgrading database from version " + oldVersion + " to " +
+ newVersion + ", which will destroy all old data");
+
+ db.execSQL("DROP TABLE IF EXISTS " + TABLE_FAVORITES);
+ onCreate(db);
+ }
+
+
+ /**
+ * Loads the default set of favorite packages from an xml file.
+ *
+ * @param db The database to write the values into
+ * @param subPath The relative path from ANDROID_ROOT to the file to read
+ */
+ private int loadFavorites(SQLiteDatabase db, String subPath) {
+ FileReader favReader;
+
+ // Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system".
+ final File favFile = new File(Environment.getRootDirectory(), subPath);
+ try {
+ favReader = new FileReader(favFile);
+ } catch (FileNotFoundException e) {
+ Log.e(LOG_TAG, "Couldn't find or open favorites file " + favFile);
+ return 0;
+ }
+
+ Intent intent = new Intent(Intent.ACTION_MAIN, null);
+ intent.addCategory(Intent.CATEGORY_LAUNCHER);
+ ContentValues values = new ContentValues();
+
+ PackageManager packageManager = mContext.getPackageManager();
+ ActivityInfo info;
+ int i = 0;
+ try {
+ XmlPullParser parser = Xml.newPullParser();
+ parser.setInput(favReader);
+
+ XmlUtils.beginDocument(parser, TAG_FAVORITES);
+
+ while (true) {
+ XmlUtils.nextElement(parser);
+
+ String name = parser.getName();
+ if (!TAG_FAVORITE.equals(name)) {
+ break;
+ }
+
+ String pkg = parser.getAttributeValue(null, TAG_PACKAGE);
+ String cls = parser.getAttributeValue(null, TAG_CLASS);
+ try {
+ ComponentName cn = new ComponentName(pkg, cls);
+ info = packageManager.getActivityInfo(cn, 0);
+ intent.setComponent(cn);
+ intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+ values.put(LauncherSettings.Favorites.INTENT, intent.toURI());
+ values.put(LauncherSettings.Favorites.TITLE,
+ info.loadLabel(packageManager).toString());
+ values.put(LauncherSettings.Favorites.CONTAINER,
+ LauncherSettings.Favorites.CONTAINER_DESKTOP);
+ values.put(LauncherSettings.Favorites.ITEM_TYPE,
+ LauncherSettings.Favorites.ITEM_TYPE_APPLICATION);
+ values.put(LauncherSettings.Favorites.SCREEN,
+ parser.getAttributeValue(null, ATTRIBUTE_SCREEN));
+ values.put(LauncherSettings.Favorites.CELLX,
+ parser.getAttributeValue(null, ATTRIBUTE_X));
+ values.put(LauncherSettings.Favorites.CELLY,
+ parser.getAttributeValue(null, ATTRIBUTE_Y));
+ values.put(LauncherSettings.Favorites.SPANX, 1);
+ values.put(LauncherSettings.Favorites.SPANY, 1);
+ db.insert(TABLE_FAVORITES, null, values);
+ i++;
+ } catch (PackageManager.NameNotFoundException e) {
+ Log.w(LOG_TAG, "Unable to add favorite: " + pkg + "/" + cls, e);
+ }
+ }
+ } catch (XmlPullParserException e) {
+ Log.w(LOG_TAG, "Got exception parsing favorites.", e);
+ } catch (IOException e) {
+ Log.w(LOG_TAG, "Got exception parsing favorites.", e);
+ }
+
+ // Add a clock
+ values.clear();
+ values.put(LauncherSettings.Favorites.CONTAINER,
+ LauncherSettings.Favorites.CONTAINER_DESKTOP);
+ values.put(LauncherSettings.Favorites.ITEM_TYPE,
+ LauncherSettings.Favorites.ITEM_TYPE_WIDGET_CLOCK);
+ values.put(LauncherSettings.Favorites.SCREEN, 1);
+ values.put(LauncherSettings.Favorites.CELLX, 1);
+ values.put(LauncherSettings.Favorites.CELLY, 0);
+ values.put(LauncherSettings.Favorites.SPANX, 2);
+ values.put(LauncherSettings.Favorites.SPANY, 2);
+ db.insert(TABLE_FAVORITES, null, values);
+
+ // Add a search box
+ values.clear();
+ values.put(LauncherSettings.Favorites.CONTAINER,
+ LauncherSettings.Favorites.CONTAINER_DESKTOP);
+ values.put(LauncherSettings.Favorites.ITEM_TYPE,
+ LauncherSettings.Favorites.ITEM_TYPE_WIDGET_SEARCH);
+ values.put(LauncherSettings.Favorites.SCREEN, 2);
+ values.put(LauncherSettings.Favorites.CELLX, 0);
+ values.put(LauncherSettings.Favorites.CELLY, 0);
+ values.put(LauncherSettings.Favorites.SPANX, 4);
+ values.put(LauncherSettings.Favorites.SPANY, 1);
+ db.insert(TABLE_FAVORITES, null, values);
+
+ return i;
+ }
+ }
+
+ static class SqlArguments {
+ public final String table;
+ public final String where;
+ public final String[] args;
+
+ SqlArguments(Uri url, String where, String[] args) {
+ if (url.getPathSegments().size() == 1) {
+ this.table = url.getPathSegments().get(0);
+ this.where = where;
+ this.args = args;
+ } else if (url.getPathSegments().size() != 2) {
+ throw new IllegalArgumentException("Invalid URI: " + url);
+ } else if (!TextUtils.isEmpty(where)) {
+ throw new UnsupportedOperationException("WHERE clause not supported: " + url);
+ } else {
+ this.table = url.getPathSegments().get(0);
+ this.where = "_id=" + ContentUris.parseId(url);
+ this.args = null;
+ }
+ }
+
+ SqlArguments(Uri url) {
+ if (url.getPathSegments().size() == 1) {
+ table = url.getPathSegments().get(0);
+ where = null;
+ args = null;
+ } else {
+ throw new IllegalArgumentException("Invalid URI: " + url);
+ }
+ }
+ }
+}