/*
* 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.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetManager;
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.res.Resources;
import android.content.res.XmlResourceParser;
import android.content.res.TypedArray;
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.database.SQLException;
import android.util.Log;
import android.util.Xml;
import android.util.AttributeSet;
import android.net.Uri;
import android.text.TextUtils;
import android.os.*;
import android.provider.Settings;
import java.io.IOException;
import java.net.URISyntaxException;
import java.util.ArrayList;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlPullParser;
import com.android.internal.util.XmlUtils;
import com.android.launcher.LauncherSettings.Favorites;
public class LauncherProvider extends ContentProvider {
private static final String LOG_TAG = "LauncherProvider";
private static final boolean LOGD = true;
private static final String DATABASE_NAME = "launcher.db";
private static final int DATABASE_VERSION = 5;
static final String AUTHORITY = "com.android.launcher.settings2";
static final String EXTRA_BIND_SOURCES = "com.android.launcher.settings.bindsources";
static final String EXTRA_BIND_TARGETS = "com.android.launcher.settings.bindtargets";
static final String TABLE_FAVORITES = "favorites";
static final String TABLE_GESTURES = "gestures";
static final String PARAMETER_NOTIFY = "notify";
/**
* {@link Uri} triggered at any registered {@link android.database.ContentObserver} when
* {@link AppWidgetHost#deleteHost()} is called during database creation.
* Use this to recall {@link AppWidgetHost#startListening()} if needed.
*/
static final Uri CONTENT_APPWIDGET_RESET_URI =
Uri.parse("content://" + AUTHORITY + "/appWidgetReset");
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.getWritableDatabase();
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 {
private static final String TAG_FAVORITES = "favorites";
private static final String TAG_FAVORITE = "favorite";
private static final String TAG_CLOCK = "clock";
private static final String TAG_SEARCH = "search";
private static final String TAG_APPWIDGET = "appwidget";
private static final String TAG_SHORTCUT = "shortcut";
private final Context mContext;
private final AppWidgetHost mAppWidgetHost;
DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
mContext = context;
mAppWidgetHost = new AppWidgetHost(context, Launcher.APPWIDGET_HOST_ID);
}
/**
* Send notification that we've deleted the {@link AppWidgetHost},
* probably as part of the initial database creation. The receiver may
* want to re-call {@link AppWidgetHost#startListening()} to ensure
* callbacks are correctly set.
*/
private void sendAppWidgetResetNotify() {
final ContentResolver resolver = mContext.getContentResolver();
resolver.notifyChange(CONTENT_APPWIDGET_RESET_URI, null);
}
@Override
public void onCreate(SQLiteDatabase db) {
if (LOGD) Log.d(LOG_TAG, "creating new launcher database");
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," +
"appWidgetId INTEGER NOT NULL DEFAULT -1," +
"isShortcut INTEGER," +
"iconType INTEGER," +
"iconPackage TEXT," +
"iconResource TEXT," +
"icon BLOB," +
"uri TEXT," +
"displayMode INTEGER" +
");");
db.execSQL("CREATE TABLE gestures (" +
"_id INTEGER PRIMARY KEY," +
"title TEXT," +
"intent TEXT," +
"itemType INTEGER," +
"iconType INTEGER," +
"iconPackage TEXT," +
"iconResource TEXT," +
"icon BLOB" +
");");
// Database was just created, so wipe any previous widgets
if (mAppWidgetHost != null) {
mAppWidgetHost.deleteHost();
sendAppWidgetResetNotify();
}
if (!convertDatabase(db)) {
// Populate favorites table with initial favorites
loadFavorites(db);
}
}
private boolean convertDatabase(SQLiteDatabase db) {
if (LOGD) Log.d(LOG_TAG, "converting database from an older format, but not onUpgrade");
boolean converted = false;
final Uri uri = Uri.parse("content://" + Settings.AUTHORITY +
"/old_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);
}
}
if (converted) {
// Convert widgets from this import into widgets
if (LOGD) Log.d(LOG_TAG, "converted and now triggering widget upgrade");
convertWidgets(db);
}
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.APPWIDGET_ID, -1);
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) {
if (LOGD) Log.d(LOG_TAG, "onUpgrade triggered");
int version = oldVersion;
if (version < 3) {
// upgrade 1,2 -> 3 added appWidgetId column
db.beginTransaction();
try {
// Insert new column for holding appWidgetIds
db.execSQL("ALTER TABLE favorites " +
"ADD COLUMN appWidgetId INTEGER NOT NULL DEFAULT -1;");
db.setTransactionSuccessful();
version = 3;
} catch (SQLException ex) {
// Old version remains, which means we wipe old data
Log.e(LOG_TAG, ex.getMessage(), ex);
} finally {
db.endTransaction();
}
// Convert existing widgets only if table upgrade was successful
if (version == 3) {
convertWidgets(db);
}
}
if (version < 4) {
db.beginTransaction();
try {
db.execSQL("CREATE TABLE gestures (" +
"_id INTEGER PRIMARY KEY," +
"title TEXT," +
"intent TEXT," +
"itemType INTEGER," +
"iconType INTEGER," +
"iconPackage TEXT," +
"iconResource TEXT," +
"icon BLOB" +
");");
db.setTransactionSuccessful();
version = 4;
} catch (SQLException ex) {
// Old version remains, which means we wipe old data
Log.e(LOG_TAG, ex.getMessage(), ex);
} finally {
db.endTransaction();
}
}
if (version < 5) {
db.beginTransaction();
try {
ComponentName c=new ComponentName(mContext, CustomShirtcutActivity.class);
db.execSQL("INSERT INTO 'favorites'" +
"("+LauncherSettings.Favorites.TITLE+","+
LauncherSettings.Favorites.INTENT+","+
LauncherSettings.Favorites.CONTAINER+","+
LauncherSettings.Favorites.SCREEN+","+
LauncherSettings.Favorites.CELLX+","+
LauncherSettings.Favorites.CELLY+","+
LauncherSettings.Favorites.SPANX+","+
LauncherSettings.Favorites.SPANY+","+
LauncherSettings.Favorites.ITEM_TYPE+","+
LauncherSettings.Favorites.APPWIDGET_ID+","+
LauncherSettings.Favorites.ICON_TYPE+","+
LauncherSettings.Favorites.ICON_PACKAGE+","+
LauncherSettings.Favorites.ICON_RESOURCE+","+
LauncherSettings.Favorites.ICON+","+
LauncherSettings.Favorites.URI+","+
LauncherSettings.Favorites.DISPLAY_MODE+
")"+
"VALUES(" +
"'Apps'," +
"'#Intent;action="+CustomShirtcutActivity.ACTION_LAUNCHERACTION+";component="+c.flattenToString()+";i.DefaultLauncherAction.EXTRA_BINDINGVALUE=4;end'," +
LauncherSettings.Favorites.CONTAINER_MAB+"," +
"-1," +
"-1," +
"-1," +
"1," +
"1," +
"1," +
"-1," +
"0," +
"'"+c.getPackageName()+"'," +
"'"+c.getPackageName()+":drawable/all_apps_button'," +
"NULL," +
"NULL," +
"NULL);");
db.setTransactionSuccessful();
version = 5;
} catch (SQLException ex) {
// Old version remains, which means we wipe old data
Log.e(LOG_TAG, ex.getMessage(), ex);
} finally {
db.endTransaction();
}
}
if (version != DATABASE_VERSION) {
Log.w(LOG_TAG, "Destroying all old data.");
db.execSQL("DROP TABLE IF EXISTS " + TABLE_FAVORITES);
db.execSQL("DROP TABLE IF EXISTS " + TABLE_GESTURES);
onCreate(db);
}
}
/**
* Upgrade existing clock and photo frame widgets into their new widget
* equivalents. This method allocates appWidgetIds, and then hands off to
* LauncherAppWidgetBinder to finish the actual binding.
*/
private void convertWidgets(SQLiteDatabase db) {
final int[] bindSources = new int[] {
Favorites.ITEM_TYPE_WIDGET_CLOCK,
Favorites.ITEM_TYPE_WIDGET_PHOTO_FRAME,
};
final ArrayList<ComponentName> bindTargets = new ArrayList<ComponentName>();
bindTargets.add(new ComponentName("com.android.alarmclock",
"com.android.alarmclock.AnalogAppWidgetProvider"));
bindTargets.add(new ComponentName("com.android.camera",
"com.android.camera.PhotoAppWidgetProvider"));
final String selectWhere = buildOrWhereString(Favorites.ITEM_TYPE, bindSources);
Cursor c = null;
boolean allocatedAppWidgets = false;
db.beginTransaction();
try {
// Select and iterate through each matching widget
c = db.query(TABLE_FAVORITES, new String[] { Favorites._ID },
selectWhere, null, null, null, null);
if (LOGD) Log.d(LOG_TAG, "found upgrade cursor count="+c.getCount());
final ContentValues values = new ContentValues();
while (c != null && c.moveToNext()) {
long favoriteId = c.getLong(0);
// Allocate and update database with new appWidgetId
try {
int appWidgetId = mAppWidgetHost.allocateAppWidgetId();
if (LOGD) Log.d(LOG_TAG, "allocated appWidgetId="+appWidgetId+" for favoriteId="+favoriteId);
values.clear();
values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId);
// Original widgets might not have valid spans when upgrading
values.put(LauncherSettings.Favorites.SPANX, 2);
values.put(LauncherSettings.Favorites.SPANY, 2);
String updateWhere = Favorites._ID + "=" + favoriteId;
db.update(TABLE_FAVORITES, values, updateWhere, null);
allocatedAppWidgets = true;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "Problem allocating appWidgetId", ex);
}
}
db.setTransactionSuccessful();
} catch (SQLException ex) {
Log.w(LOG_TAG, "Problem while allocating appWidgetIds for existing widgets", ex);
} finally {
db.endTransaction();
if (c != null) {
c.close();
}
}
// If any appWidgetIds allocated, then launch over to binder
if (allocatedAppWidgets) {
launchAppWidgetBinder(bindSources, bindTargets);
}
}
/**
* Launch the widget binder that walks through the Launcher database,
* binding any matching widgets to the corresponding targets. We can't
* bind ourselves because our parent process can't obtain the
* BIND_APPWIDGET permission.
*/
private void launchAppWidgetBinder(int[] bindSources, ArrayList<ComponentName> bindTargets) {
final Intent intent = new Intent();
intent.setComponent(new ComponentName("com.android.settings",
"com.android.settings.LauncherAppWidgetBinder"));
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
final Bundle extras = new Bundle();
extras.putIntArray(EXTRA_BIND_SOURCES, bindSources);
extras.putParcelableArrayList(EXTRA_BIND_TARGETS, bindTargets);
intent.putExtras(extras);
mContext.startActivity(intent);
}
/**
* Loads the default set of favorite packages from an xml file.
*
* @param db The database to write the values into
*/
private int loadFavorites(SQLiteDatabase db) {
Intent intent = new Intent(Intent.ACTION_MAIN, null);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ContentValues values = new ContentValues();
PackageManager packageManager = mContext.getPackageManager();
int i = 0;
try {
XmlResourceParser parser = mContext.getResources().getXml(R.xml.default_workspace);
AttributeSet attrs = Xml.asAttributeSet(parser);
XmlUtils.beginDocument(parser, TAG_FAVORITES);
final int depth = parser.getDepth();
int type;
while (((type = parser.next()) != XmlPullParser.END_TAG ||
parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) {
if (type != XmlPullParser.START_TAG) {
continue;
}
boolean added = false;
final String name = parser.getName();
TypedArray a = mContext.obtainStyledAttributes(attrs, R.styleable.Favorite);
values.clear();
String container = a.getString(R.styleable.Favorite_container);
if (container == null) {
values.put(LauncherSettings.Favorites.CONTAINER, LauncherSettings.Favorites.CONTAINER_DESKTOP);
} else {
values.put(LauncherSettings.Favorites.CONTAINER, container);
}
values.put(LauncherSettings.Favorites.SCREEN,
a.getString(R.styleable.Favorite_screen));
values.put(LauncherSettings.Favorites.CELLX,
a.getString(R.styleable.Favorite_x));
values.put(LauncherSettings.Favorites.CELLY,
a.getString(R.styleable.Favorite_y));
if (TAG_FAVORITE.equals(name)) {
added = addShortcut(db, values, a, packageManager, intent);
} else if (TAG_SEARCH.equals(name)) {
added = addSearchWidget(db, values);
} else if (TAG_CLOCK.equals(name)) {
added = addClockWidget(db, values);
} else if (TAG_APPWIDGET.equals(name)) {
added = addAppWidget(db, values, a);
} else if (TAG_SHORTCUT.equals(name)) {
added = addUriShortcut(db, values, a);
}
if (added) i++;
a.recycle();
}
} catch (XmlPullParserException e) {
Log.w(LOG_TAG, "Got exception parsing favorites.", e);
} catch (IOException e) {
Log.w(LOG_TAG, "Got exception parsing favorites.", e);
}
return i;
}
private boolean addShortcut(SQLiteDatabase db, ContentValues values, TypedArray a,
PackageManager packageManager, Intent intent) {
ActivityInfo info;
String packageName = a.getString(R.styleable.Favorite_packageName);
String className = a.getString(R.styleable.Favorite_className);
try {
ComponentName cn = new ComponentName(packageName, className);
info = packageManager.getActivityInfo(cn, 0);
intent.setComponent(cn);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
values.put(Favorites.INTENT, intent.toUri(0));
values.put(Favorites.TITLE, info.loadLabel(packageManager).toString());
values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_APPLICATION);
values.put(Favorites.SPANX, 1);
values.put(Favorites.SPANY, 1);
db.insert(TABLE_FAVORITES, null, values);
} catch (PackageManager.NameNotFoundException e) {
Log.w(LOG_TAG, "Unable to add favorite: " + packageName +
"/" + className, e);
return false;
}
return true;
}
private boolean addSearchWidget(SQLiteDatabase db, ContentValues values) {
// Add a search box
values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_WIDGET_SEARCH);
values.put(Favorites.SPANX, 4);
values.put(Favorites.SPANY, 1);
db.insert(TABLE_FAVORITES, null, values);
return true;
}
private boolean addClockWidget(SQLiteDatabase db, ContentValues values) {
final int[] bindSources = new int[] {
Favorites.ITEM_TYPE_WIDGET_CLOCK,
};
final ArrayList<ComponentName> bindTargets = new ArrayList<ComponentName>();
bindTargets.add(new ComponentName("com.android.alarmclock",
"com.android.alarmclock.AnalogAppWidgetProvider"));
boolean allocatedAppWidgets = false;
// Try binding to an analog clock widget
try {
int appWidgetId = mAppWidgetHost.allocateAppWidgetId();
values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_WIDGET_CLOCK);
values.put(Favorites.SPANX, 2);
values.put(Favorites.SPANY, 2);
values.put(Favorites.APPWIDGET_ID, appWidgetId);
db.insert(TABLE_FAVORITES, null, values);
allocatedAppWidgets = true;
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "Problem allocating appWidgetId", ex);
}
// If any appWidgetIds allocated, then launch over to binder
if (allocatedAppWidgets) {
launchAppWidgetBinder(bindSources, bindTargets);
}
return allocatedAppWidgets;
}
private boolean addAppWidget(SQLiteDatabase db, ContentValues values, TypedArray a) {
String packageName = a.getString(R.styleable.Favorite_packageName);
String className = a.getString(R.styleable.Favorite_className);
if (packageName == null || className == null) {
return false;
}
ComponentName cn = new ComponentName(packageName, className);
boolean allocatedAppWidgets = false;
final AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(mContext);
try {
int appWidgetId = mAppWidgetHost.allocateAppWidgetId();
values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_APPWIDGET);
values.put(Favorites.SPANX, a.getString(R.styleable.Favorite_spanX));
values.put(Favorites.SPANY, a.getString(R.styleable.Favorite_spanY));
values.put(Favorites.APPWIDGET_ID, appWidgetId);
db.insert(TABLE_FAVORITES, null, values);
allocatedAppWidgets = true;
appWidgetManager.bindAppWidgetId(appWidgetId, cn);
} catch (RuntimeException ex) {
Log.e(LOG_TAG, "Problem allocating appWidgetId", ex);
}
return allocatedAppWidgets;
}
private boolean addUriShortcut(SQLiteDatabase db, ContentValues values,
TypedArray a) {
Resources r = mContext.getResources();
final int iconResId = a.getResourceId(R.styleable.Favorite_icon, 0);
final int titleResId = a.getResourceId(R.styleable.Favorite_title, 0);
Intent intent;
String uri = null;
try {
uri = a.getString(R.styleable.Favorite_uri);
intent = Intent.parseUri(uri, 0);
} catch (URISyntaxException e) {
Log.w(LOG_TAG, "Shortcut has malformed uri: " + uri);
return false; // Oh well
}
if (iconResId == 0 || titleResId == 0) {
Log.w(LOG_TAG, "Shortcut is missing title or icon resource ID");
return false;
}
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
values.put(Favorites.INTENT, intent.toUri(0));
values.put(Favorites.TITLE, r.getString(titleResId));
values.put(Favorites.ITEM_TYPE, Favorites.ITEM_TYPE_SHORTCUT);
values.put(Favorites.SPANX, 1);
values.put(Favorites.SPANY, 1);
values.put(Favorites.ICON_TYPE, Favorites.ICON_TYPE_RESOURCE);
values.put(Favorites.ICON_PACKAGE, mContext.getPackageName());
values.put(Favorites.ICON_RESOURCE, r.getResourceName(iconResId));
db.insert(TABLE_FAVORITES, null, values);
return true;
}
}
/**
* Build a query string that will match any row where the column matches
* anything in the values list.
*/
static String buildOrWhereString(String column, int[] values) {
StringBuilder selectWhere = new StringBuilder();
for (int i = values.length - 1; i >= 0; i--) {
selectWhere.append(column).append("=").append(values[i]);
if (i > 0) {
selectWhere.append(" OR ");
}
}
return selectWhere.toString();
}
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);
}
}
}
}