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/*
* Copyright (C) 2010 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.settings;
import com.android.internal.widget.LockPatternUtils;
import android.app.Activity;
import android.app.Fragment;
import android.app.admin.DevicePolicyManager;
import android.content.Intent;
public final class ChooseLockSettingsHelper {
static final String EXTRA_KEY_PASSWORD = "password";
private LockPatternUtils mLockPatternUtils;
private Activity mActivity;
private Fragment mFragment;
public ChooseLockSettingsHelper(Activity activity) {
mActivity = activity;
mLockPatternUtils = new LockPatternUtils(activity);
}
public ChooseLockSettingsHelper(Activity activity, Fragment fragment) {
this(activity);
mFragment = fragment;
}
public LockPatternUtils utils() {
return mLockPatternUtils;
}
/**
* If a pattern, password or PIN exists, prompt the user before allowing them to change it.
* @param message optional message to display about the action about to be done
* @param details optional detail message to display
* @return true if one exists and we launched an activity to confirm it
* @see #onActivityResult(int, int, android.content.Intent)
*/
boolean launchConfirmationActivity(int request, CharSequence message, CharSequence details) {
boolean launched = false;
switch (mLockPatternUtils.getKeyguardStoredPasswordQuality()) {
case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
launched = confirmPattern(request, message, details);
break;
case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:
case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:
case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:
// TODO: update UI layout for ConfirmPassword to show message and details
launched = confirmPassword(request);
break;
}
return launched;
}
/**
* Launch screen to confirm the existing lock pattern.
* @param message shown in header of ConfirmLockPattern if not null
* @param details shown in footer of ConfirmLockPattern if not null
* @see #onActivityResult(int, int, android.content.Intent)
* @return true if we launched an activity to confirm pattern
*/
private boolean confirmPattern(int request, CharSequence message, CharSequence details) {
if (!mLockPatternUtils.isLockPatternEnabled() || !mLockPatternUtils.savedPatternExists()) {
return false;
}
final Intent intent = new Intent();
// supply header and footer text in the intent
intent.putExtra(ConfirmLockPattern.HEADER_TEXT, message);
intent.putExtra(ConfirmLockPattern.FOOTER_TEXT, details);
intent.setClassName("com.android.settings", "com.android.settings.ConfirmLockPattern");
if (mFragment != null) {
mFragment.startActivityForResult(intent, request);
} else {
mActivity.startActivityForResult(intent, request);
}
return true;
}
/**
* Launch screen to confirm the existing lock password.
* @see #onActivityResult(int, int, android.content.Intent)
* @return true if we launched an activity to confirm password
*/
private boolean confirmPassword(int request) {
if (!mLockPatternUtils.isLockPasswordEnabled()) return false;
final Intent intent = new Intent();
intent.setClassName("com.android.settings", "com.android.settings.ConfirmLockPassword");
if (mFragment != null) {
mFragment.startActivityForResult(intent, request);
} else {
mActivity.startActivityForResult(intent, request);
}
return true;
}
}
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