private Intent getCameraIntent() {
KeyguardUpdateMonitor updateMonitor = KeyguardUpdateMonitor.getInstance(mContext);
boolean currentUserHasTrust = updateMonitor.getUserHasTrust(mLockPatternUtils.getCurrentUser());
return mLockPatternUtils.isSecure() && !currentUserHasTrust
? SECURE_CAMERA_INTENT
: INSECURE_CAMERA_INTENT;
}
private void updateNotifiOnkeyguard(boolean isShow) {
if (isShow) {
KeyguardUpdateMonitor.getInstance(mContext)
.getNotificationModule()
.setLastKeyguardShowTime(System.currentTimeMillis());
KeyguardUpdateMonitor.getInstance(mContext).getNotificationModule().updateNotifications();
} else {
KeyguardUpdateMonitor.getInstance(mContext).getNotificationModule().removeAllNotifications();
}
}
@Override
public void onResume(int reason) {
log("onResume()");
synchronized (mIsBouncerVisibleToUserLock) {
mIsBouncerVisibleToUser = isBouncerVisibleToUser();
}
if (!KeyguardUpdateMonitor.getInstance(mContext).isSwitchingUser()) {
maybeStartBiometricUnlock();
}
KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateCallback);
}
private void updateLockIcon() {
boolean visible = isShown() && KeyguardUpdateMonitor.getInstance(mContext).isScreenOn();
if (visible) {
mTrustDrawable.start();
} else {
mTrustDrawable.stop();
}
if (!visible) {
return;
}
// TODO: Real icon for facelock.
int iconRes =
mUnlockMethodCache.isFaceUnlockRunning()
? com.android.internal.R.drawable.ic_account_circle
: mUnlockMethodCache.isMethodInsecure()
? R.drawable.ic_lock_open_24dp
: R.drawable.ic_lock_24dp;
if (mLastUnlockIconRes != iconRes) {
Drawable icon = mContext.getDrawable(iconRes);
int iconHeight =
getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_icon_height);
int iconWidth = getResources().getDimensionPixelSize(R.dimen.keyguard_affordance_icon_width);
if (icon.getIntrinsicHeight() != iconHeight || icon.getIntrinsicWidth() != iconWidth) {
icon = new IntrinsicSizeDrawable(icon, iconWidth, iconHeight);
}
mLockIcon.setImageDrawable(icon);
}
boolean trustManaged = mUnlockMethodCache.isTrustManaged();
mTrustDrawable.setTrustManaged(trustManaged);
updateLockIconClickability();
}
@Override
public void onDetachedFromWindow() {
log("onDetachedFromWindow()");
if (mBiometricUnlock != null) {
mBiometricUnlock.stop();
}
KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateCallback);
}
@Override
public void onPause() {
log("onPause()");
if (mBiometricUnlock != null) {
mBiometricUnlock.stop();
}
mSecurityMessageDisplay.setMessage(" ", true);
KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mUpdateCallback);
}
/**
* Starts the biometric unlock if it should be started based on a number of factors. If it should
* not be started, it either goes to the back up, or remains showing to prepare for it being
* started later.
*/
private void maybeStartBiometricUnlock() {
log("maybeStartBiometricUnlock() is called.");
if (mBiometricUnlock != null) {
KeyguardUpdateMonitor monitor = KeyguardUpdateMonitor.getInstance(mContext);
final boolean backupIsTimedOut =
(monitor.getFailedUnlockAttempts() >= LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT);
final boolean mediaPlaying =
AudioSystem.isStreamActive(AudioSystem.STREAM_MUSIC, 0)
|| AudioSystem.isStreamActive(AudioSystem.STREAM_ALARM, 0);
boolean isBouncerVisibleToUser;
synchronized (mIsBouncerVisibleToUserLock) {
isBouncerVisibleToUser = mIsBouncerVisibleToUser;
}
// Don't start it if the bouncer is not showing, but keep this view up because we want
// it here and ready for when the bouncer does show.
if (!isBouncerVisibleToUser) {
if (mediaPlaying) {
log(
"maybeStartBiometricUnlock() - isBouncerVisibleToUser is false"
+ " && mediaPlaying is true, call mBiometricUnlock.stopAndShowBackup()");
mBiometricUnlock.stopAndShowBackup();
} else {
log(
"maybeStartBiometricUnlock() - isBouncerVisibleToUser is false,"
+ " call mBiometricUnlock.stop()");
mBiometricUnlock.stop(); // It shouldn't be running but calling this can't hurt.
}
return;
}
// Although these same conditions are handled in KeyguardSecurityModel, they are still
// necessary here. When a tablet is rotated 90 degrees, a configuration change is
// triggered and everything is torn down and reconstructed. That means
// KeyguardSecurityModel gets a chance to take care of the logic and doesn't even
// reconstruct KeyguardFaceUnlockView if the biometric unlock should be suppressed.
// However, for a 180 degree rotation, no configuration change is triggered, so only
// the logic here is capable of suppressing Face Unlock.
if (monitor.getPhoneState() == TelephonyManager.CALL_STATE_IDLE
&& monitor.isAlternateUnlockEnabled()
&& !monitor.getMaxBiometricUnlockAttemptsReached()
&& !backupIsTimedOut
&& !mediaPlaying) {
mBiometricUnlock.start();
} else {
log("maybeStartBiometricUnlock() - call stopAndShowBackup()");
mBiometricUnlock.stopAndShowBackup();
}
}
}
private void watchForCameraPolicyChanges() {
final IntentFilter filter = new IntentFilter();
filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED);
getContext().registerReceiverAsUser(mDevicePolicyReceiver, UserHandle.ALL, filter, null, null);
KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mUpdateMonitorCallback);
}
// Returns true if the device is currently in a state where the user is seeing the bouncer.
// This requires isKeyguardBouncer() to be true, but that doesn't imply that the screen is on or
// the keyguard visibility is set to true, so we must check those conditions as well.
private boolean isBouncerVisibleToUser() {
KeyguardUpdateMonitor updateMonitor = KeyguardUpdateMonitor.getInstance(mContext);
return updateMonitor.isKeyguardBouncer()
&& updateMonitor.isKeyguardVisible()
&& updateMonitor.isScreenOn();
}