/*
* Copyright (C) 2014 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.systemui.statusbar.phone;
import android.content.ComponentCallbacks2;
import android.content.Context;
import android.os.Bundle;
import android.os.RemoteException;
import android.os.SystemClock;
import android.util.Slog;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManagerGlobal;
import com.android.internal.policy.IKeyguardShowCallback;
import com.android.internal.widget.LockPatternUtils;
import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.keyguard.ViewMediatorCallback;
import static com.android.keyguard.KeyguardHostView.OnDismissAction;
/**
* Manages creating, showing, hiding and resetting the keyguard within the status bar. Calls back
* via {@link ViewMediatorCallback} to poke the wake lock and report that the keyguard is done,
* which is in turn, reported to this class by the current
* {@link com.android.keyguard.KeyguardViewBase}.
*/
public class StatusBarKeyguardViewManager {
// When hiding the Keyguard with timing supplied from WindowManager, better be early than late.
private static final long HIDE_TIMING_CORRECTION_MS = -3 * 16;
// Delay for showing the navigation bar when the bouncer appears. This should be kept in sync
// with the appear animations of the PIN/pattern/password views.
private static final long NAV_BAR_SHOW_DELAY_BOUNCER = 320;
private static String TAG = "StatusBarKeyguardViewManager";
private final Context mContext;
private LockPatternUtils mLockPatternUtils;
private ViewMediatorCallback mViewMediatorCallback;
private PhoneStatusBar mPhoneStatusBar;
private ScrimController mScrimController;
private ViewGroup mContainer;
private StatusBarWindowManager mStatusBarWindowManager;
private boolean mScreenOn = false;
private KeyguardBouncer mBouncer;
private boolean mShowing;
private boolean mOccluded;
private boolean mFirstUpdate = true;
private boolean mLastShowing;
private boolean mLastOccluded;
private boolean mLastBouncerShowing;
private boolean mLastBouncerDismissible;
private OnDismissAction mAfterKeyguardGoneAction;
public StatusBarKeyguardViewManager(Context context, ViewMediatorCallback callback,
LockPatternUtils lockPatternUtils) {
mContext = context;
mViewMediatorCallback = callback;
mLockPatternUtils = lockPatternUtils;
}
public void registerStatusBar(PhoneStatusBar phoneStatusBar,
ViewGroup container, StatusBarWindowManager statusBarWindowManager,
ScrimController scrimController) {
mPhoneStatusBar = phoneStatusBar;
mContainer = container;
mStatusBarWindowManager = statusBarWindowManager;
mScrimController = scrimController;
mBouncer = new KeyguardBouncer(mContext, mViewMediatorCallback, mLockPatternUtils,
mStatusBarWindowManager, container);
}
/**
* Show the keyguard. Will handle creating and attaching to the view manager
* lazily.
*/
public void show(Bundle options) {
mShowing = true;
mStatusBarWindowManager.setKeyguardShowing(true);
reset();
}
/**
* Shows the notification keyguard or the bouncer depending on
* {@link KeyguardBouncer#needsFullscreenBouncer()}.
*/
private void showBouncerOrKeyguard() {
if (mBouncer.needsFullscreenBouncer()) {
// The keyguard might be showing (already). So we need to hide it.
mPhoneStatusBar.hideKeyguard();
mBouncer.show(true /* resetSecuritySelection */);
} else {
mPhoneStatusBar.showKeyguard();
mBouncer.hide(false /* destroyView */);
mBouncer.prepare();
}
}
private void showBouncer() {
if (mShowing) {
mBouncer.show(false /* resetSecuritySelection */);
}
updateStates();
}
public void dismissWithAction(OnDismissAction r, boolean afterKeyguardGone) {
if (mShowing) {
if (!afterKeyguardGone) {
mBouncer.showWithDismissAction(r);
} else {
mBouncer.show(false /* resetSecuritySelection */);
mAfterKeyguardGoneAction = r;
}
}
updateStates();
}
/**
* Reset the state of the view.
*/
public void reset() {
if (mShowing) {
if (mOccluded) {
mPhoneStatusBar.hideKeyguard();
mBouncer.hide(false /* destroyView */);
} else {
showBouncerOrKeyguard();
}
updateStates();
}
}
public void onScreenTurnedOff() {
mScreenOn = false;
mPhoneStatusBar.onScreenTurnedOff();
mBouncer.onScreenTurnedOff();
}
public void onScreenTurnedOn(final IKeyguardShowCallback callback) {
mScreenOn = true;
mPhoneStatusBar.onScreenTurnedOn();
if (callback != null) {
callbackAfterDraw(callback);
}
}
private void callbackAfterDraw(final IKeyguardShowCallback callback) {
mContainer.post(new Runnable() {
@Override
public void run() {
try {
callback.onShown(mContainer.getWindowToken());
} catch (RemoteException e) {
Slog.w(TAG, "Exception calling onShown():", e);
}
}
});
}
public void verifyUnlock() {
dismiss();
}
public void setNeedsInput(boolean needsInput) {
mStatusBarWindowManager.setKeyguardNeedsInput(needsInput);
}
public void updateUserActivityTimeout() {
mStatusBarWindowManager.setKeyguardUserActivityTimeout(mBouncer.getUserActivityTimeout());
}
public void setOccluded(boolean occluded) {
if (occluded && !mOccluded && mShowing) {
if (mPhoneStatusBar.isInLaunchTransition()) {
mOccluded = true;
mPhoneStatusBar.fadeKeyguardAfterLaunchTransition(null /* beforeFading */,
new Runnable() {
@Override
public void run() {
mStatusBarWindowManager.setKeyguardOccluded(mOccluded);
reset();
}
});
return;
}
}
mOccluded = occluded;
mStatusBarWindowManager.setKeyguardOccluded(occluded);
reset();
}
public boolean isOccluded() {
return mOccluded;
}
/**
* Starts the animation before we dismiss Keyguard, i.e. an disappearing animation on the
* security view of the bouncer.
*
* @param finishRunnable the runnable to be run after the animation finished, or {@code null} if
* no action should be run
*/
public void startPreHideAnimation(Runnable finishRunnable) {
if (mBouncer.isShowing()) {
mBouncer.startPreHideAnimation(finishRunnable);
} else if (finishRunnable != null) {
finishRunnable.run();
}
}
/**
* Hides the keyguard view
*/
public void hide(long startTime, final long fadeoutDuration) {
mShowing = false;
long uptimeMillis = SystemClock.uptimeMillis();
long delay = Math.max(0, startTime + HIDE_TIMING_CORRECTION_MS - uptimeMillis);
if (mPhoneStatusBar.isInLaunchTransition() ) {
mPhoneStatusBar.fadeKeyguardAfterLaunchTransition(new Runnable() {
@Override
public void run() {
mStatusBarWindowManager.setKeyguardShowing(false);
mStatusBarWindowManager.setKeyguardFadingAway(true);
mBouncer.hide(true /* destroyView */);
updateStates();
mScrimController.animateKeyguardFadingOut(
PhoneStatusBar.FADE_KEYGUARD_START_DELAY,
PhoneStatusBar.FADE_KEYGUARD_DURATION, null);
}
}, new Runnable() {
@Override
public void run() {
mPhoneStatusBar.hideKeyguard();
mStatusBarWindowManager.setKeyguardFadingAway(false);
mViewMediatorCallback.keyguardGone();
executeAfterKeyguardGoneAction();
}
});
} else {
mPhoneStatusBar.setKeyguardFadingAway(delay, fadeoutDuration);
boolean staying = mPhoneStatusBar.hideKeyguard();
if (!staying) {
mStatusBarWindowManager.setKeyguardFadingAway(true);
mScrimController.animateKeyguardFadingOut(delay, fadeoutDuration, new Runnable() {
@Override
public void run() {
mStatusBarWindowManager.setKeyguardFadingAway(false);
mPhoneStatusBar.finishKeyguardFadingAway();
WindowManagerGlobal.getInstance().trimMemory(
ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN);
}
});
} else {
mScrimController.animateGoingToFullShade(delay, fadeoutDuration);
mPhoneStatusBar.finishKeyguardFadingAway();
}
mStatusBarWindowManager.setKeyguardShowing(false);
mBouncer.hide(true /* destroyView */);
mViewMediatorCallback.keyguardGone();
executeAfterKeyguardGoneAction();
updateStates();
}
}
private void executeAfterKeyguardGoneAction() {
if (mAfterKeyguardGoneAction != null) {
mAfterKeyguardGoneAction.onDismiss();
mAfterKeyguardGoneAction = null;
}
}
/**
* Dismisses the keyguard by going to the next screen or making it gone.
*/
public void dismiss() {
if (mScreenOn) {
showBouncer();
}
}
/**
* WARNING: This method might cause Binder calls.
*/
public boolean isSecure() {
return mBouncer.isSecure();
}
/**
* @return Whether the keyguard is showing
*/
public boolean isShowing() {
return mShowing;
}
/**
* Notifies this manager that the back button has been pressed.
*
* @return whether the back press has been handled
*/
public boolean onBackPressed() {
if (mBouncer.isShowing()) {
reset();
return true;
}
return false;
}
public boolean isBouncerShowing() {
return mBouncer.isShowing();
}
private long getNavBarShowDelay() {
if (mPhoneStatusBar.isKeyguardFadingAway()) {
return mPhoneStatusBar.getKeyguardFadingAwayDelay();
} else {
// Keyguard is not going away, thus we are showing the navigation bar because the
// bouncer is appearing.
return NAV_BAR_SHOW_DELAY_BOUNCER;
}
}
private Runnable mMakeNavigationBarVisibleRunnable = new Runnable() {
@Override
public void run() {
mPhoneStatusBar.getNavigationBarView().setVisibility(View.VISIBLE);
}
};
private void updateStates() {
int vis = mContainer.getSystemUiVisibility();
boolean showing = mShowing;
boolean occluded = mOccluded;
boolean bouncerShowing = mBouncer.isShowing();
boolean bouncerDismissible = !mBouncer.isFullscreenBouncer();
if ((bouncerDismissible || !showing) != (mLastBouncerDismissible || !mLastShowing)
|| mFirstUpdate) {
if (bouncerDismissible || !showing) {
mContainer.setSystemUiVisibility(vis & ~View.STATUS_BAR_DISABLE_BACK);
} else {
mContainer.setSystemUiVisibility(vis | View.STATUS_BAR_DISABLE_BACK);
}
}
if ((!(showing && !occluded) || bouncerShowing)
!= (!(mLastShowing && !mLastOccluded) || mLastBouncerShowing) || mFirstUpdate) {
if (mPhoneStatusBar.getNavigationBarView() != null) {
if (!(showing && !occluded) || bouncerShowing) {
mContainer.postOnAnimationDelayed(mMakeNavigationBarVisibleRunnable,
getNavBarShowDelay());
} else {
mContainer.removeCallbacks(mMakeNavigationBarVisibleRunnable);
mPhoneStatusBar.getNavigationBarView().setVisibility(View.GONE);
}
}
}
if (bouncerShowing != mLastBouncerShowing || mFirstUpdate) {
mStatusBarWindowManager.setBouncerShowing(bouncerShowing);
mPhoneStatusBar.setBouncerShowing(bouncerShowing);
mScrimController.setBouncerShowing(bouncerShowing);
}
KeyguardUpdateMonitor updateMonitor = KeyguardUpdateMonitor.getInstance(mContext);
if ((showing && !occluded) != (mLastShowing && !mLastOccluded) || mFirstUpdate) {
updateMonitor.sendKeyguardVisibilityChanged(showing && !occluded);
}
if (bouncerShowing != mLastBouncerShowing || mFirstUpdate) {
updateMonitor.sendKeyguardBouncerChanged(bouncerShowing);
}
mFirstUpdate = false;
mLastShowing = showing;
mLastOccluded = occluded;
mLastBouncerShowing = bouncerShowing;
mLastBouncerDismissible = bouncerDismissible;
mPhoneStatusBar.onKeyguardViewManagerStatesUpdated();
}
public boolean onMenuPressed() {
return mBouncer.onMenuPressed();
}
public boolean interceptMediaKey(KeyEvent event) {
return mBouncer.interceptMediaKey(event);
}
public void onActivityDrawn() {
if (mPhoneStatusBar.isCollapsing()) {
mPhoneStatusBar.addPostCollapseAction(new Runnable() {
@Override
public void run() {
mViewMediatorCallback.readyForKeyguardDone();
}
});
} else {
mViewMediatorCallback.readyForKeyguardDone();
}
}
public boolean shouldDisableWindowAnimationsForUnlock() {
return mPhoneStatusBar.isInLaunchTransition();
}
public boolean isGoingToNotificationShade() {
return mPhoneStatusBar.isGoingToNotificationShade();
}
public boolean isSecure(int userId) {
return mBouncer.isSecure() || mLockPatternUtils.isSecure(userId);
}
public boolean isInputRestricted() {
return mViewMediatorCallback.isInputRestricted();
}
}
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