445 lines
16 KiB
Java
445 lines
16 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.keyguard;
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import android.animation.Animator;
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import android.animation.AnimatorListenerAdapter;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.graphics.Rect;
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import android.os.AsyncTask;
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import android.os.CountDownTimer;
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import android.os.SystemClock;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.AnimationUtils;
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import android.view.animation.Interpolator;
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import android.widget.LinearLayout;
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import com.android.internal.widget.LockPatternChecker;
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import com.android.internal.widget.LockPatternUtils;
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import com.android.internal.widget.LockPatternView;
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import com.android.settingslib.animation.AppearAnimationCreator;
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import com.android.settingslib.animation.AppearAnimationUtils;
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import com.android.settingslib.animation.DisappearAnimationUtils;
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import java.util.List;
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public class KeyguardPatternView extends LinearLayout implements KeyguardSecurityView,
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AppearAnimationCreator<LockPatternView.CellState>,
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EmergencyButton.EmergencyButtonCallback {
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private static final String TAG = "SecurityPatternView";
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private static final boolean DEBUG = KeyguardConstants.DEBUG;
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// how long before we clear the wrong pattern
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private static final int PATTERN_CLEAR_TIMEOUT_MS = 2000;
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// how long we stay awake after each key beyond MIN_PATTERN_BEFORE_POKE_WAKELOCK
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private static final int UNLOCK_PATTERN_WAKE_INTERVAL_MS = 7000;
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// how many cells the user has to cross before we poke the wakelock
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private static final int MIN_PATTERN_BEFORE_POKE_WAKELOCK = 2;
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private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;
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private final AppearAnimationUtils mAppearAnimationUtils;
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private final DisappearAnimationUtils mDisappearAnimationUtils;
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private CountDownTimer mCountdownTimer = null;
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private LockPatternUtils mLockPatternUtils;
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private AsyncTask<?, ?, ?> mPendingLockCheck;
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private LockPatternView mLockPatternView;
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private KeyguardSecurityCallback mCallback;
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/**
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* Keeps track of the last time we poked the wake lock during dispatching of the touch event.
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* Initialized to something guaranteed to make us poke the wakelock when the user starts
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* drawing the pattern.
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* @see #dispatchTouchEvent(android.view.MotionEvent)
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*/
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private long mLastPokeTime = -UNLOCK_PATTERN_WAKE_INTERVAL_MS;
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/**
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* Useful for clearing out the wrong pattern after a delay
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*/
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private Runnable mCancelPatternRunnable = new Runnable() {
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public void run() {
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mLockPatternView.clearPattern();
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}
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};
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private Rect mTempRect = new Rect();
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private KeyguardMessageArea mSecurityMessageDisplay;
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private View mEcaView;
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private ViewGroup mContainer;
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private int mDisappearYTranslation;
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enum FooterMode {
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Normal,
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ForgotLockPattern,
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VerifyUnlocked
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}
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public KeyguardPatternView(Context context) {
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this(context, null);
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}
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public KeyguardPatternView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext);
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mAppearAnimationUtils = new AppearAnimationUtils(context,
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AppearAnimationUtils.DEFAULT_APPEAR_DURATION, 1.5f /* translationScale */,
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2.0f /* delayScale */, AnimationUtils.loadInterpolator(
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mContext, android.R.interpolator.linear_out_slow_in));
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mDisappearAnimationUtils = new DisappearAnimationUtils(context,
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125, 1.2f /* translationScale */,
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0.6f /* delayScale */, AnimationUtils.loadInterpolator(
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mContext, android.R.interpolator.fast_out_linear_in));
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mDisappearYTranslation = getResources().getDimensionPixelSize(
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R.dimen.disappear_y_translation);
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}
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public void setKeyguardCallback(KeyguardSecurityCallback callback) {
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mCallback = callback;
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}
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public void setLockPatternUtils(LockPatternUtils utils) {
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mLockPatternUtils = utils;
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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mLockPatternUtils = mLockPatternUtils == null
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? new LockPatternUtils(mContext) : mLockPatternUtils;
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mLockPatternView = (LockPatternView) findViewById(R.id.lockPatternView);
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mLockPatternView.setSaveEnabled(false);
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mLockPatternView.setOnPatternListener(new UnlockPatternListener());
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// stealth mode will be the same for the life of this screen
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mLockPatternView.setInStealthMode(!mLockPatternUtils.isVisiblePatternEnabled(
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KeyguardUpdateMonitor.getCurrentUser()));
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// vibrate mode will be the same for the life of this screen
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mLockPatternView.setTactileFeedbackEnabled(mLockPatternUtils.isTactileFeedbackEnabled());
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mSecurityMessageDisplay =
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(KeyguardMessageArea) KeyguardMessageArea.findSecurityMessageDisplay(this);
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mEcaView = findViewById(R.id.keyguard_selector_fade_container);
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mContainer = (ViewGroup) findViewById(R.id.container);
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EmergencyButton button = (EmergencyButton) findViewById(R.id.emergency_call_button);
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if (button != null) {
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button.setCallback(this);
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}
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}
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public void onEmergencyButtonClickedWhenInCall() {
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mCallback.reset();
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}
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@Override
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public boolean onTouchEvent(MotionEvent ev) {
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boolean result = super.onTouchEvent(ev);
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// as long as the user is entering a pattern (i.e sending a touch event that was handled
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// by this screen), keep poking the wake lock so that the screen will stay on.
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final long elapsed = SystemClock.elapsedRealtime() - mLastPokeTime;
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if (result && (elapsed > (UNLOCK_PATTERN_WAKE_INTERVAL_MS - 100))) {
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mLastPokeTime = SystemClock.elapsedRealtime();
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}
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mTempRect.set(0, 0, 0, 0);
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offsetRectIntoDescendantCoords(mLockPatternView, mTempRect);
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ev.offsetLocation(mTempRect.left, mTempRect.top);
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result = mLockPatternView.dispatchTouchEvent(ev) || result;
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ev.offsetLocation(-mTempRect.left, -mTempRect.top);
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return result;
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}
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public void reset() {
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// reset lock pattern
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mLockPatternView.enableInput();
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mLockPatternView.setEnabled(true);
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mLockPatternView.clearPattern();
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// if the user is currently locked out, enforce it.
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long deadline = mLockPatternUtils.getLockoutAttemptDeadline(
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KeyguardUpdateMonitor.getCurrentUser());
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if (deadline != 0) {
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handleAttemptLockout(deadline);
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} else {
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displayDefaultSecurityMessage();
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}
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}
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private void displayDefaultSecurityMessage() {
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mSecurityMessageDisplay.setMessage(R.string.kg_pattern_instructions, false);
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}
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@Override
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public void showUsabilityHint() {
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}
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/** TODO: hook this up */
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public void cleanUp() {
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if (DEBUG) Log.v(TAG, "Cleanup() called on " + this);
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mLockPatternUtils = null;
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mLockPatternView.setOnPatternListener(null);
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}
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private class UnlockPatternListener implements LockPatternView.OnPatternListener {
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public void onPatternStart() {
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mLockPatternView.removeCallbacks(mCancelPatternRunnable);
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mSecurityMessageDisplay.setMessage("", false);
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}
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public void onPatternCleared() {
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}
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public void onPatternCellAdded(List<LockPatternView.Cell> pattern) {
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mCallback.userActivity();
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}
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public void onPatternDetected(final List<LockPatternView.Cell> pattern) {
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mLockPatternView.disableInput();
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if (mPendingLockCheck != null) {
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mPendingLockCheck.cancel(false);
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}
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if (pattern.size() < LockPatternUtils.MIN_PATTERN_REGISTER_FAIL) {
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mLockPatternView.enableInput();
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onPatternChecked(pattern, false, 0);
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return;
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}
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mPendingLockCheck = LockPatternChecker.checkPattern(
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mLockPatternUtils,
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pattern,
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KeyguardUpdateMonitor.getCurrentUser(),
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new LockPatternChecker.OnCheckCallback() {
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@Override
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public void onChecked(boolean matched, int timeoutMs) {
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mLockPatternView.enableInput();
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mPendingLockCheck = null;
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onPatternChecked(pattern, matched, timeoutMs);
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}
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});
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}
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private void onPatternChecked(List<LockPatternView.Cell> pattern, boolean matched,
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int timeoutMs) {
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if (matched) {
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mCallback.reportUnlockAttempt(true, 0);
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mLockPatternView.setDisplayMode(LockPatternView.DisplayMode.Correct);
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mCallback.dismiss(true);
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} else {
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if (pattern.size() > MIN_PATTERN_BEFORE_POKE_WAKELOCK) {
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mCallback.userActivity();
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}
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mLockPatternView.setDisplayMode(LockPatternView.DisplayMode.Wrong);
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mCallback.reportUnlockAttempt(false, timeoutMs);
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int attempts = mKeyguardUpdateMonitor.getFailedUnlockAttempts();
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if (timeoutMs > 0) {
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long deadline = mLockPatternUtils.setLockoutAttemptDeadline(
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KeyguardUpdateMonitor.getCurrentUser(), timeoutMs);
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handleAttemptLockout(deadline);
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} else {
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mSecurityMessageDisplay.setMessage(R.string.kg_wrong_pattern, true);
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mLockPatternView.postDelayed(mCancelPatternRunnable, PATTERN_CLEAR_TIMEOUT_MS);
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}
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}
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}
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}
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private void handleAttemptLockout(long elapsedRealtimeDeadline) {
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mLockPatternView.clearPattern();
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mLockPatternView.setEnabled(false);
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final long elapsedRealtime = SystemClock.elapsedRealtime();
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mCountdownTimer = new CountDownTimer(elapsedRealtimeDeadline - elapsedRealtime, 1000) {
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@Override
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public void onTick(long millisUntilFinished) {
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final int secondsRemaining = (int) (millisUntilFinished / 1000);
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mSecurityMessageDisplay.setMessage(
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R.string.kg_too_many_failed_attempts_countdown, true, secondsRemaining);
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}
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@Override
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public void onFinish() {
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mLockPatternView.setEnabled(true);
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displayDefaultSecurityMessage();
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}
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}.start();
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}
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@Override
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public boolean needsInput() {
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return false;
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}
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@Override
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public void onPause() {
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if (mCountdownTimer != null) {
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mCountdownTimer.cancel();
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mCountdownTimer = null;
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}
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if (mPendingLockCheck != null) {
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mPendingLockCheck.cancel(false);
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mPendingLockCheck = null;
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}
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}
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@Override
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public void onResume(int reason) {
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reset();
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}
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@Override
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public KeyguardSecurityCallback getCallback() {
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return mCallback;
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}
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@Override
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public void showPromptReason(int reason) {
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switch (reason) {
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case PROMPT_REASON_RESTART:
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mSecurityMessageDisplay.setMessage(R.string.kg_prompt_reason_restart_pattern,
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true /* important */);
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break;
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default:
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}
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}
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@Override
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public void startAppearAnimation() {
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enableClipping(false);
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setAlpha(1f);
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setTranslationY(mAppearAnimationUtils.getStartTranslation());
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animate()
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.setDuration(500)
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.setInterpolator(mAppearAnimationUtils.getInterpolator())
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.translationY(0);
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mAppearAnimationUtils.startAnimation2d(
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mLockPatternView.getCellStates(),
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new Runnable() {
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@Override
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public void run() {
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enableClipping(true);
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}
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},
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this);
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if (!TextUtils.isEmpty(mSecurityMessageDisplay.getText())) {
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mAppearAnimationUtils.createAnimation(mSecurityMessageDisplay, 0,
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AppearAnimationUtils.DEFAULT_APPEAR_DURATION,
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mAppearAnimationUtils.getStartTranslation(),
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true /* appearing */,
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mAppearAnimationUtils.getInterpolator(),
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null /* finishRunnable */);
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}
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}
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@Override
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public boolean startDisappearAnimation(final Runnable finishRunnable) {
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mLockPatternView.clearPattern();
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enableClipping(false);
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setTranslationY(0);
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animate()
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.setDuration(300)
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.setInterpolator(mDisappearAnimationUtils.getInterpolator())
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.translationY(-mDisappearAnimationUtils.getStartTranslation());
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mDisappearAnimationUtils.startAnimation2d(mLockPatternView.getCellStates(),
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new Runnable() {
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@Override
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public void run() {
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enableClipping(true);
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if (finishRunnable != null) {
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finishRunnable.run();
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}
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}
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}, KeyguardPatternView.this);
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if (!TextUtils.isEmpty(mSecurityMessageDisplay.getText())) {
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mDisappearAnimationUtils.createAnimation(mSecurityMessageDisplay, 0,
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200,
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- mDisappearAnimationUtils.getStartTranslation() * 3,
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false /* appearing */,
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mDisappearAnimationUtils.getInterpolator(),
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null /* finishRunnable */);
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}
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return true;
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}
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private void enableClipping(boolean enable) {
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setClipChildren(enable);
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mContainer.setClipToPadding(enable);
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mContainer.setClipChildren(enable);
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}
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@Override
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public void createAnimation(final LockPatternView.CellState animatedCell, long delay,
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long duration, float translationY, final boolean appearing,
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Interpolator interpolator,
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final Runnable finishListener) {
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if (appearing) {
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animatedCell.scale = 0.0f;
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animatedCell.alpha = 1.0f;
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}
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animatedCell.translateY = appearing ? translationY : 0;
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ValueAnimator animator = ValueAnimator.ofFloat(animatedCell.translateY,
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appearing ? 0 : translationY);
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animator.setInterpolator(interpolator);
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animator.setDuration(duration);
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animator.setStartDelay(delay);
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animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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float animatedFraction = animation.getAnimatedFraction();
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if (appearing) {
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animatedCell.scale = animatedFraction;
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} else {
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animatedCell.alpha = 1 - animatedFraction;
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}
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animatedCell.translateY = (float) animation.getAnimatedValue();
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mLockPatternView.invalidate();
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}
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});
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if (finishListener != null) {
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animator.addListener(new AnimatorListenerAdapter() {
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@Override
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public void onAnimationEnd(Animator animation) {
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finishListener.run();
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}
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});
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// Also animate the Emergency call
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mAppearAnimationUtils.createAnimation(mEcaView, delay, duration, translationY,
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appearing, interpolator, null);
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}
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animator.start();
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mLockPatternView.invalidate();
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}
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@Override
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public boolean hasOverlappingRendering() {
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return false;
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}
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}
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