| /* |
| * 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.internal.policy.impl; |
| |
| import android.app.admin.DevicePolicyManager; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.graphics.Rect; |
| |
| import com.android.internal.policy.impl.PatternUnlockScreen.FooterMode; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.internal.widget.PasswordEntryKeyboardView; |
| |
| import android.os.CountDownTimer; |
| import android.os.SystemClock; |
| import android.telephony.TelephonyManager; |
| import android.text.method.DigitsKeyListener; |
| import android.text.method.TextKeyListener; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.inputmethod.EditorInfo; |
| import android.widget.Button; |
| import android.widget.EditText; |
| import android.widget.LinearLayout; |
| import android.widget.TextView; |
| import android.widget.TextView.OnEditorActionListener; |
| |
| import com.android.internal.R; |
| import com.android.internal.widget.PasswordEntryKeyboardHelper; |
| |
| /** |
| * Displays a dialer-like interface or alphanumeric (latin-1) key entry for the user to enter |
| * an unlock password |
| */ |
| public class PasswordUnlockScreen extends LinearLayout implements KeyguardScreen, |
| View.OnClickListener, KeyguardUpdateMonitor.InfoCallback, OnEditorActionListener { |
| |
| private final KeyguardUpdateMonitor mUpdateMonitor; |
| private final KeyguardScreenCallback mCallback; |
| |
| private EditText mPasswordEntry; |
| private Button mEmergencyCallButton; |
| private LockPatternUtils mLockPatternUtils; |
| private PasswordEntryKeyboardView mKeyboardView; |
| private PasswordEntryKeyboardHelper mKeyboardHelper; |
| |
| private int mCreationOrientation; |
| private int mCreationHardKeyboardHidden; |
| private CountDownTimer mCountdownTimer; |
| private TextView mTitle; |
| |
| // To avoid accidental lockout due to events while the device in in the pocket, ignore |
| // any passwords with length less than or equal to this length. |
| private static final int MINIMUM_PASSWORD_LENGTH_BEFORE_REPORT = 3; |
| |
| public PasswordUnlockScreen(Context context, Configuration configuration, |
| LockPatternUtils lockPatternUtils, KeyguardUpdateMonitor updateMonitor, |
| KeyguardScreenCallback callback) { |
| super(context); |
| |
| mCreationHardKeyboardHidden = configuration.hardKeyboardHidden; |
| mCreationOrientation = configuration.orientation; |
| mUpdateMonitor = updateMonitor; |
| mCallback = callback; |
| mLockPatternUtils = lockPatternUtils; |
| |
| LayoutInflater layoutInflater = LayoutInflater.from(context); |
| if (mCreationOrientation != Configuration.ORIENTATION_LANDSCAPE) { |
| layoutInflater.inflate(R.layout.keyguard_screen_password_portrait, this, true); |
| } else { |
| layoutInflater.inflate(R.layout.keyguard_screen_password_landscape, this, true); |
| } |
| |
| final int quality = lockPatternUtils.getKeyguardStoredPasswordQuality(); |
| final boolean isAlpha = DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC == quality |
| || DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC == quality; |
| |
| mKeyboardView = (PasswordEntryKeyboardView) findViewById(R.id.keyboard); |
| mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); |
| mPasswordEntry.setOnEditorActionListener(this); |
| mEmergencyCallButton = (Button) findViewById(R.id.emergencyCall); |
| mEmergencyCallButton.setOnClickListener(this); |
| mLockPatternUtils.updateEmergencyCallButtonState(mEmergencyCallButton); |
| mTitle = (TextView) findViewById(R.id.enter_password_label); |
| |
| mKeyboardHelper = new PasswordEntryKeyboardHelper(context, mKeyboardView, this); |
| mKeyboardHelper.setKeyboardMode(isAlpha ? PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA |
| : PasswordEntryKeyboardHelper.KEYBOARD_MODE_NUMERIC); |
| |
| mKeyboardView.setVisibility(mCreationHardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO |
| ? View.INVISIBLE : View.VISIBLE); |
| mPasswordEntry.requestFocus(); |
| |
| // This allows keyboards with overlapping qwerty/numeric keys to choose just the |
| // numeric keys. |
| if (isAlpha) { |
| mPasswordEntry.setKeyListener(TextKeyListener.getInstance()); |
| } else { |
| mPasswordEntry.setKeyListener(DigitsKeyListener.getInstance()); |
| } |
| |
| mKeyboardHelper.setVibratePattern(mLockPatternUtils.isTactileFeedbackEnabled() ? |
| com.android.internal.R.array.config_virtualKeyVibePattern : 0); |
| } |
| |
| @Override |
| protected boolean onRequestFocusInDescendants(int direction, Rect previouslyFocusedRect) { |
| // send focus to the password field |
| return mPasswordEntry.requestFocus(direction, previouslyFocusedRect); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean needsInput() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| public void onPause() { |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public void onResume() { |
| // start fresh |
| mPasswordEntry.setText(""); |
| mPasswordEntry.requestFocus(); |
| mLockPatternUtils.updateEmergencyCallButtonState(mEmergencyCallButton); |
| |
| // if the user is currently locked out, enforce it. |
| long deadline = mLockPatternUtils.getLockoutAttemptDeadline(); |
| if (deadline != 0) { |
| handleAttemptLockout(deadline); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| public void cleanUp() { |
| mUpdateMonitor.removeCallback(this); |
| } |
| |
| public void onClick(View v) { |
| if (v == mEmergencyCallButton) { |
| mCallback.takeEmergencyCallAction(); |
| } |
| mCallback.pokeWakelock(); |
| } |
| |
| private void verifyPasswordAndUnlock() { |
| String entry = mPasswordEntry.getText().toString(); |
| if (mLockPatternUtils.checkPassword(entry)) { |
| mCallback.keyguardDone(true); |
| mCallback.reportSuccessfulUnlockAttempt(); |
| } else if (entry.length() > MINIMUM_PASSWORD_LENGTH_BEFORE_REPORT ) { |
| // to avoid accidental lockout, only count attempts that are long enough to be a |
| // real password. This may require some tweaking. |
| mCallback.reportFailedUnlockAttempt(); |
| if (0 == (mUpdateMonitor.getFailedAttempts() |
| % LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT)) { |
| long deadline = mLockPatternUtils.setLockoutAttemptDeadline(); |
| handleAttemptLockout(deadline); |
| } |
| } |
| mPasswordEntry.setText(""); |
| } |
| |
| // Prevent user from using the PIN/Password entry until scheduled deadline. |
| private void handleAttemptLockout(long elapsedRealtimeDeadline) { |
| mPasswordEntry.setEnabled(false); |
| mKeyboardView.setEnabled(false); |
| long elapsedRealtime = SystemClock.elapsedRealtime(); |
| mCountdownTimer = new CountDownTimer(elapsedRealtimeDeadline - elapsedRealtime, 1000) { |
| |
| @Override |
| public void onTick(long millisUntilFinished) { |
| int secondsRemaining = (int) (millisUntilFinished / 1000); |
| String instructions = getContext().getString( |
| R.string.lockscreen_too_many_failed_attempts_countdown, |
| secondsRemaining); |
| mTitle.setText(instructions); |
| } |
| |
| @Override |
| public void onFinish() { |
| mPasswordEntry.setEnabled(true); |
| mTitle.setText(R.string.keyguard_password_enter_password_code); |
| mKeyboardView.setEnabled(true); |
| } |
| }.start(); |
| } |
| |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| mCallback.pokeWakelock(); |
| return false; |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| Configuration config = getResources().getConfiguration(); |
| if (config.orientation != mCreationOrientation |
| || config.hardKeyboardHidden != mCreationHardKeyboardHidden) { |
| mCallback.recreateMe(config); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| protected void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| if (newConfig.orientation != mCreationOrientation |
| || newConfig.hardKeyboardHidden != mCreationHardKeyboardHidden) { |
| mCallback.recreateMe(newConfig); |
| } |
| } |
| |
| public void onKeyboardChange(boolean isKeyboardOpen) { |
| // Don't show the soft keyboard when the real keyboard is open |
| mKeyboardView.setVisibility(isKeyboardOpen ? View.INVISIBLE : View.VISIBLE); |
| } |
| |
| public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { |
| // Check if this was the result of hitting the enter key |
| if (actionId == EditorInfo.IME_NULL) { |
| verifyPasswordAndUnlock(); |
| return true; |
| } |
| return false; |
| } |
| |
| public void onPhoneStateChanged(String newState) { |
| mLockPatternUtils.updateEmergencyCallButtonState(mEmergencyCallButton); |
| } |
| |
| public void onRefreshBatteryInfo(boolean showBatteryInfo, boolean pluggedIn, int batteryLevel) { |
| |
| } |
| |
| public void onRefreshCarrierInfo(CharSequence plmn, CharSequence spn) { |
| |
| } |
| |
| public void onRingerModeChanged(int state) { |
| |
| } |
| |
| public void onTimeChanged() { |
| |
| } |
| |
| } |