Merge "Copy callback list to avoid crash"

    }

    private void notifyKeyguardChanged() {

        mCallbacks.forEach(Callback::onKeyguardShowingChanged);

        // Copy the list to allow removal during callback.

        new ArrayList<Callback>(mCallbacks).forEach(Callback::onKeyguardShowingChanged);

    }

    public void notifyKeyguardFadingAway(long delay, long fadeoutDuration) {

        mKeyguardFadingAway = true;

        mKeyguardFadingAwayDelay = delay;

        mKeyguardFadingAwayDuration = fadeoutDuration;

        mCallbacks.forEach(Callback::onKeyguardShowingChanged);

        notifyKeyguardChanged();

    }

    public void notifyKeyguardDoneFading() {

        mKeyguardFadingAway = false;

        mCallbacks.forEach(Callback::onKeyguardShowingChanged);

        notifyKeyguardChanged();

    }

    @Override