blob: 7fc0916401672ca7c2ce0a9490996711b53339af [file] [log] [blame]
/*
* Copyright (C) 2011 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.providers.contacts;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.os.CancellationSignal;
import android.provider.ContactsContract.Intents;
import java.io.FileNotFoundException;
import java.util.Locale;
/**
* Simple content provider to handle directing profile-specific calls against a separate
* database from the rest of contacts.
*/
public class ProfileProvider extends AbstractContactsProvider {
private static final String READ_PERMISSION = "android.permission.READ_PROFILE";
private static final String WRITE_PERMISSION = "android.permission.WRITE_PROFILE";
// The Contacts provider handles most of the logic - this provider is only invoked when the
// URI belongs to a profile action, setting up the proper database.
private final ContactsProvider2 mDelegate;
public ProfileProvider(ContactsProvider2 delegate) {
mDelegate = delegate;
}
/**
* Performs a permission check on the read profile permission. Checks the delegate contacts
* provider to see whether this is an authorized one-time-use URI.
* @param uri The URI being accessed.
*/
public void enforceReadPermission(Uri uri) {
if (!mDelegate.isValidPreAuthorizedUri(uri)) {
mDelegate.getContext().enforceCallingOrSelfPermission(READ_PERMISSION, null);
}
}
/**
* Performs a permission check on the write profile permission.
*/
public void enforceWritePermission() {
mDelegate.getContext().enforceCallingOrSelfPermission(WRITE_PERMISSION, null);
}
@Override
protected ProfileDatabaseHelper getDatabaseHelper(Context context) {
return ProfileDatabaseHelper.getInstance(context);
}
@Override
protected ThreadLocal<ContactsTransaction> getTransactionHolder() {
return mDelegate.getTransactionHolder();
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
return query(uri, projection, selection, selectionArgs, sortOrder, null);
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder, CancellationSignal cancellationSignal) {
enforceReadPermission(uri);
return mDelegate.queryLocal(uri, projection, selection, selectionArgs, sortOrder, -1,
cancellationSignal);
}
@Override
protected Uri insertInTransaction(Uri uri, ContentValues values) {
enforceWritePermission();
useProfileDbForTransaction();
return mDelegate.insertInTransaction(uri, values);
}
@Override
protected int updateInTransaction(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
enforceWritePermission();
useProfileDbForTransaction();
return mDelegate.updateInTransaction(uri, values, selection, selectionArgs);
}
@Override
protected int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) {
enforceWritePermission();
useProfileDbForTransaction();
return mDelegate.deleteInTransaction(uri, selection, selectionArgs);
}
@Override
public AssetFileDescriptor openAssetFile(Uri uri, String mode) throws FileNotFoundException {
if (mode != null && mode.contains("w")) {
enforceWritePermission();
} else {
enforceReadPermission(uri);
}
return mDelegate.openAssetFileLocal(uri, mode);
}
private void useProfileDbForTransaction() {
ContactsTransaction transaction = getCurrentTransaction();
SQLiteDatabase db = getDatabaseHelper().getWritableDatabase();
transaction.startTransactionForDb(db, ContactsProvider2.PROFILE_DB_TAG, this);
}
@Override
protected void notifyChange() {
mDelegate.notifyChange();
}
protected void notifyChange(boolean syncToNetwork) {
mDelegate.notifyChange(syncToNetwork);
}
protected Locale getLocale() {
return mDelegate.getLocale();
}
@Override
public void onBegin() {
mDelegate.onBeginTransactionInternal(true);
}
@Override
public void onCommit() {
mDelegate.onCommitTransactionInternal(true);
sendProfileChangedBroadcast();
}
@Override
public void onRollback() {
mDelegate.onRollbackTransactionInternal(true);
}
@Override
protected boolean yield(ContactsTransaction transaction) {
return mDelegate.yield(transaction);
}
@Override
public String getType(Uri uri) {
return mDelegate.getType(uri);
}
/** Use only for debug logging */
@Override
public String toString() {
return "ProfileProvider";
}
private void sendProfileChangedBroadcast() {
final Intent intent = new Intent(Intents.ACTION_PROFILE_CHANGED);
getContext().sendBroadcast(intent, READ_PERMISSION);
}
}