| /* |
| * 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.content.Context; |
| |
| import com.android.internal.telephony.IccCard.State; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.internal.widget.PasswordEntryKeyboardView; |
| |
| import android.text.Editable; |
| import android.util.Log; |
| 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.ConfigurationChangeCallback, OnEditorActionListener { |
| |
| private static final int DIGIT_PRESS_WAKE_MILLIS = 5000; |
| |
| private final KeyguardUpdateMonitor mUpdateMonitor; |
| private final KeyguardScreenCallback mCallback; |
| |
| private final boolean mCreatedWithKeyboardOpen; |
| |
| private EditText mPasswordEntry; |
| private TextView mEmergencyCallButton; |
| private LockPatternUtils mLockPatternUtils; |
| private PasswordEntryKeyboardView mKeyboardView; |
| private PasswordEntryKeyboardHelper mKeyboardHelper; |
| |
| // 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, LockPatternUtils lockPatternUtils, |
| KeyguardUpdateMonitor updateMonitor, KeyguardScreenCallback callback) { |
| super(context); |
| mUpdateMonitor = updateMonitor; |
| mCallback = callback; |
| mCreatedWithKeyboardOpen = mUpdateMonitor.isKeyboardOpen(); |
| |
| LayoutInflater layoutInflater = LayoutInflater.from(context); |
| if (mCreatedWithKeyboardOpen) { |
| layoutInflater.inflate(R.layout.keyguard_screen_password_landscape, this, true); |
| } else { |
| layoutInflater.inflate(R.layout.keyguard_screen_password_portrait, this, true); |
| } |
| |
| boolean isAlpha = lockPatternUtils.getPasswordMode() == LockPatternUtils.MODE_PASSWORD; |
| mKeyboardView = (PasswordEntryKeyboardView) findViewById(R.id.keyboard); |
| mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); |
| mPasswordEntry.setOnEditorActionListener(this); |
| mEmergencyCallButton = (TextView) findViewById(R.id.emergencyCall); |
| mEmergencyCallButton.setOnClickListener(this); |
| mUpdateMonitor.registerConfigurationChangeCallback(this); |
| mLockPatternUtils = lockPatternUtils; |
| |
| mKeyboardHelper = new PasswordEntryKeyboardHelper(context, mKeyboardView, this); |
| mKeyboardHelper.setKeyboardMode(isAlpha ? PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA |
| : PasswordEntryKeyboardHelper.KEYBOARD_MODE_NUMERIC); |
| |
| updateMonitor.registerConfigurationChangeCallback(this); |
| setFocusableInTouchMode(true); |
| mPasswordEntry.requestFocus(); |
| } |
| |
| /** {@inheritDoc} */ |
| public boolean needsInput() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| public void onPause() { |
| |
| } |
| |
| /** {@inheritDoc} */ |
| public void onResume() { |
| // start fresh |
| mPasswordEntry.setText(""); |
| mPasswordEntry.requestFocus(); |
| } |
| |
| /** {@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(); |
| } |
| mPasswordEntry.setText(""); |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| mCallback.pokeWakelock(); |
| return false; |
| } |
| |
| public void onOrientationChange(boolean inPortrait) { |
| |
| } |
| |
| public void onKeyboardChange(boolean isKeyboardOpen) { |
| if (isKeyboardOpen != mCreatedWithKeyboardOpen) { |
| mCallback.recreateMe(); |
| } |
| } |
| |
| 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; |
| } |
| |
| } |