/*
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* Copyright (C) 2019 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.systemui.statusbar.notification;
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import android.content.Context;
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import android.util.ArraySet;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.systemui.statusbar.NotificationLockscreenUserManager;
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import com.android.systemui.statusbar.phone.UnlockMethodCache;
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import javax.inject.Inject;
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import javax.inject.Singleton;
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/**
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* A controller which dynamically controls the visibility of Notification content
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*/
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@Singleton
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public class DynamicPrivacyController implements UnlockMethodCache.OnUnlockMethodChangedListener {
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private final UnlockMethodCache mUnlockMethodCache;
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private final NotificationLockscreenUserManager mLockscreenUserManager;
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private ArraySet<Listener> mListeners = new ArraySet<>();
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private boolean mLastDynamicUnlocked;
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private boolean mCacheInvalid;
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@Inject
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DynamicPrivacyController(Context context,
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NotificationLockscreenUserManager notificationLockscreenUserManager) {
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this(notificationLockscreenUserManager, UnlockMethodCache.getInstance(context));
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}
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@VisibleForTesting
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DynamicPrivacyController(NotificationLockscreenUserManager notificationLockscreenUserManager,
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UnlockMethodCache unlockMethodCache) {
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mLockscreenUserManager = notificationLockscreenUserManager;
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mUnlockMethodCache = unlockMethodCache;
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mUnlockMethodCache.addListener(this);
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mLastDynamicUnlocked = isDynamicallyUnlocked();
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}
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@Override
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public void onUnlockMethodStateChanged() {
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if (isDynamicPrivacyEnabled()) {
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// We only want to notify our listeners if dynamic privacy is actually active
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boolean dynamicallyUnlocked = isDynamicallyUnlocked();
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if (dynamicallyUnlocked != mLastDynamicUnlocked || mCacheInvalid) {
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mLastDynamicUnlocked = dynamicallyUnlocked;
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for (Listener listener : mListeners) {
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listener.onDynamicPrivacyChanged();
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}
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}
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mCacheInvalid = false;
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} else {
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mCacheInvalid = true;
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}
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}
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private boolean isDynamicPrivacyEnabled() {
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return !mLockscreenUserManager.shouldHideNotifications(
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mLockscreenUserManager.getCurrentUserId());
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}
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public boolean isDynamicallyUnlocked() {
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return mUnlockMethodCache.canSkipBouncer() && isDynamicPrivacyEnabled();
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}
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public void addListener(Listener listener) {
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mListeners.add(listener);
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}
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public interface Listener {
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void onDynamicPrivacyChanged();
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}
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}
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