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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 android.app.Fragment;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.os.SystemClock;
import android.os.UserManager;
import android.os.storage.StorageManager;
import android.text.InputType;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.animation.AnimationUtils;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.internal.widget.LockPatternChecker;
import com.android.internal.widget.LockPatternUtils;
import com.android.internal.widget.TextViewInputDisabler;
import com.android.settingslib.animation.AppearAnimationUtils;
import com.android.settingslib.animation.DisappearAnimationUtils;
import java.util.ArrayList;
public class ConfirmLockPassword extends ConfirmDeviceCredentialBaseActivity {
// The index of the array is isStrongAuth << 2 + isProfile << 1 + isAlpha.
private static final int[] DETAIL_TEXTS = new int[] {
R.string.lockpassword_confirm_your_pin_generic,
R.string.lockpassword_confirm_your_password_generic,
R.string.lockpassword_confirm_your_pin_generic_profile,
R.string.lockpassword_confirm_your_password_generic_profile,
R.string.lockpassword_strong_auth_required_reason_restart_device_pin,
R.string.lockpassword_strong_auth_required_reason_restart_device_password,
R.string.lockpassword_strong_auth_required_reason_restart_work_pin,
R.string.lockpassword_strong_auth_required_reason_restart_work_password,
};
public static class InternalActivity extends ConfirmLockPassword {
}
@Override
public Intent getIntent() {
Intent modIntent = new Intent(super.getIntent());
modIntent.putExtra(EXTRA_SHOW_FRAGMENT, ConfirmLockPasswordFragment.class.getName());
return modIntent;
}
@Override
protected boolean isValidFragment(String fragmentName) {
if (ConfirmLockPasswordFragment.class.getName().equals(fragmentName)) return true;
return false;
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
Fragment fragment = getFragmentManager().findFragmentById(R.id.main_content);
if (fragment != null && fragment instanceof ConfirmLockPasswordFragment) {
((ConfirmLockPasswordFragment)fragment).onWindowFocusChanged(hasFocus);
}
}
public static class ConfirmLockPasswordFragment extends ConfirmDeviceCredentialBaseFragment
implements OnClickListener, OnEditorActionListener,
CredentialCheckResultTracker.Listener {
private static final long ERROR_MESSAGE_TIMEOUT = 3000;
private static final String FRAGMENT_TAG_CHECK_LOCK_RESULT = "check_lock_result";
private TextView mPasswordEntry;
private TextViewInputDisabler mPasswordEntryInputDisabler;
private AsyncTask<?, ?, ?> mPendingLockCheck;
private CredentialCheckResultTracker mCredentialCheckResultTracker;
private boolean mDisappearing = false;
private TextView mHeaderTextView;
private TextView mDetailsTextView;
private CountDownTimer mCountdownTimer;
private boolean mIsAlpha;
private InputMethodManager mImm;
private boolean mUsingFingerprint = false;
private AppearAnimationUtils mAppearAnimationUtils;
private DisappearAnimationUtils mDisappearAnimationUtils;
private boolean mBlockImm;
// required constructor for fragments
public ConfirmLockPasswordFragment() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final int storedQuality = mLockPatternUtils.getKeyguardStoredPasswordQuality(
mEffectiveUserId);
View view = inflater.inflate(R.layout.confirm_lock_password, null);
mPasswordEntry = (TextView) view.findViewById(R.id.password_entry);
mPasswordEntry.setOnEditorActionListener(this);
mPasswordEntryInputDisabler = new TextViewInputDisabler(mPasswordEntry);
mHeaderTextView = (TextView) view.findViewById(R.id.headerText);
mDetailsTextView = (TextView) view.findViewById(R.id.detailsText);
mErrorTextView = (TextView) view.findViewById(R.id.errorText);
mIsAlpha = DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC == storedQuality
|| DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC == storedQuality
|| DevicePolicyManager.PASSWORD_QUALITY_COMPLEX == storedQuality
|| DevicePolicyManager.PASSWORD_QUALITY_MANAGED == storedQuality;
mImm = (InputMethodManager) getActivity().getSystemService(
Context.INPUT_METHOD_SERVICE);
Intent intent = getActivity().getIntent();
if (intent != null) {
CharSequence headerMessage = intent.getCharSequenceExtra(
ConfirmDeviceCredentialBaseFragment.HEADER_TEXT);
CharSequence detailsMessage = intent.getCharSequenceExtra(
ConfirmDeviceCredentialBaseFragment.DETAILS_TEXT);
if (TextUtils.isEmpty(headerMessage)) {
headerMessage = getString(getDefaultHeader());
}
if (TextUtils.isEmpty(detailsMessage)) {
detailsMessage = getString(getDefaultDetails());
}
mHeaderTextView.setText(headerMessage);
mDetailsTextView.setText(detailsMessage);
}
int currentType = mPasswordEntry.getInputType();
mPasswordEntry.setInputType(mIsAlpha ? currentType
: (InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD));
mAppearAnimationUtils = new AppearAnimationUtils(getContext(),
220, 2f /* translationScale */, 1f /* delayScale*/,
AnimationUtils.loadInterpolator(getContext(),
android.R.interpolator.linear_out_slow_in));
mDisappearAnimationUtils = new DisappearAnimationUtils(getContext(),
110, 1f /* translationScale */,
0.5f /* delayScale */, AnimationUtils.loadInterpolator(
getContext(), android.R.interpolator.fast_out_linear_in));
setAccessibilityTitle(mHeaderTextView.getText());
mCredentialCheckResultTracker = (CredentialCheckResultTracker) getFragmentManager()
.findFragmentByTag(FRAGMENT_TAG_CHECK_LOCK_RESULT);
if (mCredentialCheckResultTracker == null) {
mCredentialCheckResultTracker = new CredentialCheckResultTracker();
getFragmentManager().beginTransaction().add(mCredentialCheckResultTracker,
FRAGMENT_TAG_CHECK_LOCK_RESULT).commit();
}
return view;
}
private int getDefaultHeader() {
return mIsAlpha ? R.string.lockpassword_confirm_your_password_header
: R.string.lockpassword_confirm_your_pin_header;
}
private int getDefaultDetails() {
boolean isProfile = Utils.isManagedProfile(
UserManager.get(getActivity()), mEffectiveUserId);
// Map boolean flags to an index by isStrongAuth << 2 + isProfile << 1 + isAlpha.
int index = ((mIsStrongAuthRequired ? 1 : 0) << 2) + ((isProfile ? 1 : 0) << 1)
+ (mIsAlpha ? 1 : 0);
return DETAIL_TEXTS[index];
}
private int getErrorMessage() {
return mIsAlpha ? R.string.lockpassword_invalid_password
: R.string.lockpassword_invalid_pin;
}
@Override
protected int getLastTryErrorMessage() {
return mIsAlpha ? R.string.lock_profile_wipe_warning_content_password
: R.string.lock_profile_wipe_warning_content_pin;
}
@Override
public void prepareEnterAnimation() {
super.prepareEnterAnimation();
mHeaderTextView.setAlpha(0f);
mDetailsTextView.setAlpha(0f);
mCancelButton.setAlpha(0f);
mPasswordEntry.setAlpha(0f);
mFingerprintIcon.setAlpha(0f);
mBlockImm = true;
}
private View[] getActiveViews() {
ArrayList<View> result = new ArrayList<>();
result.add(mHeaderTextView);
result.add(mDetailsTextView);
if (mCancelButton.getVisibility() == View.VISIBLE) {
result.add(mCancelButton);
}
result.add(mPasswordEntry);
if (mFingerprintIcon.getVisibility() == View.VISIBLE) {
result.add(mFingerprintIcon);
}
return result.toArray(new View[] {});
}
@Override
public void startEnterAnimation() {
super.startEnterAnimation();
mAppearAnimationUtils.startAnimation(getActiveViews(), new Runnable() {
@Override
public void run() {
mBlockImm = false;
resetState();
}
});
}
@Override
public void onPause() {
super.onPause();
if (mCountdownTimer != null) {
mCountdownTimer.cancel();
mCountdownTimer = null;
}
mCredentialCheckResultTracker.setListener(null);
}
@Override
protected int getMetricsCategory() {
return MetricsEvent.CONFIRM_LOCK_PASSWORD;
}
@Override
public void onResume() {
super.onResume();
long deadline = mLockPatternUtils.getLockoutAttemptDeadline(mEffectiveUserId);
if (deadline != 0) {
mCredentialCheckResultTracker.clearResult();
handleAttemptLockout(deadline);
} else {
resetState();
mErrorTextView.setText("");
if (isProfileChallenge()) {
updateErrorMessage(mLockPatternUtils.getCurrentFailedPasswordAttempts(
mEffectiveUserId));
}
}
mCredentialCheckResultTracker.setListener(this);
}
@Override
protected void authenticationSucceeded() {
mCredentialCheckResultTracker.setResult(true, new Intent(), 0, mEffectiveUserId);
}
@Override
public void onFingerprintIconVisibilityChanged(boolean visible) {
mUsingFingerprint = visible;
}
private void resetState() {
if (mBlockImm) return;
mPasswordEntry.setEnabled(true);
mPasswordEntryInputDisabler.setInputEnabled(true);
if (shouldAutoShowSoftKeyboard()) {
mImm.showSoftInput(mPasswordEntry, InputMethodManager.SHOW_IMPLICIT);
}
}
private boolean shouldAutoShowSoftKeyboard() {
return mPasswordEntry.isEnabled() && !mUsingFingerprint;
}
public void onWindowFocusChanged(boolean hasFocus) {
if (!hasFocus || mBlockImm) {
return;
}
// Post to let window focus logic to finish to allow soft input show/hide properly.
mPasswordEntry.post(new Runnable() {
@Override
public void run() {
if (shouldAutoShowSoftKeyboard()) {
resetState();
return;
}
mImm.hideSoftInputFromWindow(mPasswordEntry.getWindowToken(),
InputMethodManager.HIDE_IMPLICIT_ONLY);
}
});
}
private void handleNext() {
if (mPendingLockCheck != null || mDisappearing) {
return;
}
mPasswordEntryInputDisabler.setInputEnabled(false);
final String pin = mPasswordEntry.getText().toString();
final boolean verifyChallenge = getActivity().getIntent().getBooleanExtra(
ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, false);
Intent intent = new Intent();
if (verifyChallenge) {
if (isInternalActivity()) {
startVerifyPassword(pin, intent);
return;
}
} else {
startCheckPassword(pin, intent);
return;
}
mCredentialCheckResultTracker.setResult(false, intent, 0, mEffectiveUserId);
}
private boolean isInternalActivity() {
return getActivity() instanceof ConfirmLockPassword.InternalActivity;
}
private void startVerifyPassword(final String pin, final Intent intent) {
long challenge = getActivity().getIntent().getLongExtra(
ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, 0);
final int localEffectiveUserId = mEffectiveUserId;
final int localUserId = mUserId;
final LockPatternChecker.OnVerifyCallback onVerifyCallback =
new LockPatternChecker.OnVerifyCallback() {
@Override
public void onVerified(byte[] token, int timeoutMs) {
mPendingLockCheck = null;
boolean matched = false;
if (token != null) {
matched = true;
if (mReturnCredentials) {
intent.putExtra(
ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN,
token);
}
}
mCredentialCheckResultTracker.setResult(matched, intent, timeoutMs,
localUserId);
}
};
mPendingLockCheck = (localEffectiveUserId == localUserId)
? LockPatternChecker.verifyPassword(
mLockPatternUtils, pin, challenge, localUserId, onVerifyCallback)
: LockPatternChecker.verifyTiedProfileChallenge(
mLockPatternUtils, pin, false, challenge, localUserId,
onVerifyCallback);
}
private void startCheckPassword(final String pin, final Intent intent) {
final int localEffectiveUserId = mEffectiveUserId;
mPendingLockCheck = LockPatternChecker.checkPassword(
mLockPatternUtils,
pin,
localEffectiveUserId,
new LockPatternChecker.OnCheckCallback() {
@Override
public void onChecked(boolean matched, int timeoutMs) {
mPendingLockCheck = null;
if (matched && isInternalActivity() && mReturnCredentials) {
intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_TYPE,
mIsAlpha ? StorageManager.CRYPT_TYPE_PASSWORD
: StorageManager.CRYPT_TYPE_PIN);
intent.putExtra(
ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD, pin);
}
mCredentialCheckResultTracker.setResult(matched, intent, timeoutMs,
localEffectiveUserId);
}
});
}
private void startDisappearAnimation(final Intent intent) {
if (mDisappearing) {
return;
}
mDisappearing = true;
if (getActivity().getThemeResId() == R.style.Theme_ConfirmDeviceCredentialsDark) {
mDisappearAnimationUtils.startAnimation(getActiveViews(), new Runnable() {
@Override
public void run() {
// Bail if there is no active activity.
if (getActivity() == null || getActivity().isFinishing()) {
return;
}
getActivity().setResult(RESULT_OK, intent);
getActivity().finish();
getActivity().overridePendingTransition(
R.anim.confirm_credential_close_enter,
R.anim.confirm_credential_close_exit);
}
});
} else {
getActivity().setResult(RESULT_OK, intent);
getActivity().finish();
}
}
private void onPasswordChecked(boolean matched, Intent intent, int timeoutMs,
int effectiveUserId, boolean newResult) {
mPasswordEntryInputDisabler.setInputEnabled(true);
if (matched) {
if (newResult) {
reportSuccessfullAttempt();
}
startDisappearAnimation(intent);
checkForPendingIntent();
} else {
if (timeoutMs > 0) {
long deadline = mLockPatternUtils.setLockoutAttemptDeadline(
effectiveUserId, timeoutMs);
handleAttemptLockout(deadline);
} else {
showError(getErrorMessage(), ERROR_MESSAGE_TIMEOUT);
}
if (newResult) {
reportFailedAttempt();
}
}
}
@Override
public void onCredentialChecked(boolean matched, Intent intent, int timeoutMs,
int effectiveUserId, boolean newResult) {
onPasswordChecked(matched, intent, timeoutMs, effectiveUserId, newResult);
}
@Override
protected void onShowError() {
mPasswordEntry.setText(null);
}
private void handleAttemptLockout(long elapsedRealtimeDeadline) {
long elapsedRealtime = SystemClock.elapsedRealtime();
mPasswordEntry.setEnabled(false);
mCountdownTimer = new CountDownTimer(
elapsedRealtimeDeadline - elapsedRealtime,
LockPatternUtils.FAILED_ATTEMPT_COUNTDOWN_INTERVAL_MS) {
@Override
public void onTick(long millisUntilFinished) {
final int secondsCountdown = (int) (millisUntilFinished / 1000);
showError(getString(
R.string.lockpattern_too_many_failed_confirmation_attempts,
secondsCountdown), 0);
}
@Override
public void onFinish() {
resetState();
mErrorTextView.setText("");
if (isProfileChallenge()) {
updateErrorMessage(mLockPatternUtils.getCurrentFailedPasswordAttempts(
mEffectiveUserId));
}
}
}.start();
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.next_button:
handleNext();
break;
case R.id.cancel_button:
getActivity().setResult(RESULT_CANCELED);
getActivity().finish();
break;
}
}
// {@link OnEditorActionListener} methods.
public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
// Check if this was the result of hitting the enter or "done" key
if (actionId == EditorInfo.IME_NULL
|| actionId == EditorInfo.IME_ACTION_DONE
|| actionId == EditorInfo.IME_ACTION_NEXT) {
handleNext();
return true;
}
return false;
}
}
}