/*
* 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.browser;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.database.Cursor;
import android.os.AsyncTask;
import android.os.Message;
import android.preference.PreferenceManager;
import android.webkit.WebSettings.AutoFillProfile;
import java.util.concurrent.CountDownLatch;
public class AutofillHandler {
private AutoFillProfile mAutoFillProfile;
// Default to zero. In the case no profile is set up, the initial
// value will come from the AutoFillSettingsFragment when the user
// creates a profile. Otherwise, we'll read the ID of the last used
// profile from the prefs db.
private int mAutoFillActiveProfileId;
private static final int NO_AUTOFILL_PROFILE_SET = 0;
private CountDownLatch mLoaded = new CountDownLatch(1);
private Context mContext;
public AutofillHandler(Context context) {
mContext = context.getApplicationContext();
}
/**
* Load settings from the browser app's database. It is performed in
* an AsyncTask as it involves plenty of slow disk IO.
* NOTE: Strings used for the preferences must match those specified
* in the various preference XML files.
*/
public void asyncLoadFromDb() {
// Run the initial settings load in an AsyncTask as it hits the
// disk multiple times through SharedPreferences and SQLite. We
// need to be certain though that this has completed before we start
// to load pages though, so in the worst case we will block waiting
// for it to finish in BrowserActivity.onCreate().
new LoadFromDb().start();
}
public void waitForLoad() {
try {
mLoaded.await();
} catch (InterruptedException e) {}
}
private class LoadFromDb extends Thread {
@Override
public void run() {
SharedPreferences p =
PreferenceManager.getDefaultSharedPreferences(mContext);
// Read the last active AutoFill profile id.
mAutoFillActiveProfileId = p.getInt(
PreferenceKeys.PREF_AUTOFILL_ACTIVE_PROFILE_ID,
mAutoFillActiveProfileId);
// Load the autofill profile data from the database. We use a database separate
// to the browser preference DB to make it easier to support multiple profiles
// and switching between them.
AutoFillProfileDatabase autoFillDb = AutoFillProfileDatabase.getInstance(mContext);
Cursor c = autoFillDb.getProfile(mAutoFillActiveProfileId);
if (c.getCount() > 0) {
c.moveToFirst();
String fullName = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.FULL_NAME));
String email = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.EMAIL_ADDRESS));
String company = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.COMPANY_NAME));
String addressLine1 = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.ADDRESS_LINE_1));
String addressLine2 = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.ADDRESS_LINE_2));
String city = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.CITY));
String state = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.STATE));
String zip = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.ZIP_CODE));
String country = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.COUNTRY));
String phone = c.getString(c.getColumnIndex(
AutoFillProfileDatabase.Profiles.PHONE_NUMBER));
mAutoFillProfile = new AutoFillProfile(mAutoFillActiveProfileId,
fullName, email, company, addressLine1, addressLine2, city,
state, zip, country, phone);
}
c.close();
autoFillDb.close();
mLoaded.countDown();
}
}
public void setAutoFillProfile(AutoFillProfile profile, Message msg) {
int profileId = NO_AUTOFILL_PROFILE_SET;
if (profile != null) {
profileId = profile.getUniqueId();
// Update the AutoFill DB with the new profile.
new SaveProfileToDbTask(msg).execute(profile);
} else {
// Delete the current profile.
if (mAutoFillProfile != null) {
new DeleteProfileFromDbTask(msg).execute(mAutoFillProfile.getUniqueId());
}
}
// Make sure we set mAutoFillProfile before calling setActiveAutoFillProfileId
// Calling setActiveAutoFillProfileId will trigger an update of WebViews
// which will expect a new profile to be set
mAutoFillProfile = profile;
setActiveAutoFillProfileId(profileId);
}
public AutoFillProfile getAutoFillProfile() {
return mAutoFillProfile;
}
private void setActiveAutoFillProfileId(int activeProfileId) {
mAutoFillActiveProfileId = activeProfileId;
Editor ed = PreferenceManager.
getDefaultSharedPreferences(mContext).edit();
ed.putInt(PreferenceKeys.PREF_AUTOFILL_ACTIVE_PROFILE_ID, activeProfileId);
ed.apply();
}
private abstract class AutoFillProfileDbTask<T> extends AsyncTask<T, Void, Void> {
AutoFillProfileDatabase mAutoFillProfileDb;
Message mCompleteMessage;
public AutoFillProfileDbTask(Message msg) {
mCompleteMessage = msg;
}
@Override
protected void onPostExecute(Void result) {
if (mCompleteMessage != null) {
mCompleteMessage.sendToTarget();
}
mAutoFillProfileDb.close();
}
@Override
abstract protected Void doInBackground(T... values);
}
private class SaveProfileToDbTask extends AutoFillProfileDbTask<AutoFillProfile> {
public SaveProfileToDbTask(Message msg) {
super(msg);
}
@Override
protected Void doInBackground(AutoFillProfile... values) {
mAutoFillProfileDb = AutoFillProfileDatabase.getInstance(mContext);
assert mAutoFillActiveProfileId != NO_AUTOFILL_PROFILE_SET;
AutoFillProfile newProfile = values[0];
mAutoFillProfileDb.addOrUpdateProfile(mAutoFillActiveProfileId, newProfile);
return null;
}
}
private class DeleteProfileFromDbTask extends AutoFillProfileDbTask<Integer> {
public DeleteProfileFromDbTask(Message msg) {
super(msg);
}
@Override
protected Void doInBackground(Integer... values) {
mAutoFillProfileDb = AutoFillProfileDatabase.getInstance(mContext);
int id = values[0];
assert id > 0;
mAutoFillProfileDb.dropProfile(id);
return null;
}
}
}