50577a6c36
Add WhatToShowController to handle the visibility change of the preference category when the global setting changes. Bug: 367455695 Flag: com.android.server.notification.notification_lock_screen_settings Test: manual Change-Id: I432e4c865402ac8bee32f0f79b3cf2bdce7cc882
102 lines
3.5 KiB
Java
102 lines
3.5 KiB
Java
/*
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* Copyright (C) 2025 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.settings.notification;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.os.Handler;
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import android.os.Looper;
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import android.provider.Settings;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.LifecycleEventObserver;
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import androidx.lifecycle.LifecycleOwner;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.widget.PreferenceCategoryController;
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public class LockScreenWhatToShowController extends PreferenceCategoryController implements
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LifecycleEventObserver {
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@Nullable
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private Preference mPreference;
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private final ContentResolver mContentResolver;
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final ContentObserver mContentObserver = new ContentObserver(
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new Handler(Looper.getMainLooper())) {
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@Override
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public void onChange(boolean selfChange, @Nullable Uri uri) {
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if (mPreference == null) return;
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updateState(mPreference);
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}
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};
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@Override
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public void updateState(@Nullable Preference preference) {
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super.updateState(preference);
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if (preference == null) return;
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preference.setVisible(isAvailable());
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}
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public LockScreenWhatToShowController(@NonNull Context context, @NonNull String key) {
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super(context, key);
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mContentResolver = context.getContentResolver();
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}
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@Override
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public void displayPreference(@NonNull PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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}
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@Override
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public int getAvailabilityStatus() {
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if (!lockScreenShowNotification()) {
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return CONDITIONALLY_UNAVAILABLE;
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}
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return AVAILABLE;
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}
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/**
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* @return Whether showing notifications on the lockscreen is enabled.
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*/
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private boolean lockScreenShowNotification() {
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return Settings.Secure.getInt(
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mContext.getContentResolver(),
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Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS,
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LockScreenNotificationsGlobalPreferenceController.OFF
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) == LockScreenNotificationsGlobalPreferenceController.ON;
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}
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@Override
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public void onStateChanged(@NonNull LifecycleOwner lifecycleOwner,
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@NonNull Lifecycle.Event event) {
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if (event == Lifecycle.Event.ON_RESUME) {
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mContentResolver.registerContentObserver(
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Settings.Secure.getUriFor(Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS),
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/* notifyForDescendants= */ false, mContentObserver);
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} else if (event == Lifecycle.Event.ON_PAUSE) {
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mContentResolver.unregisterContentObserver(mContentObserver);
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}
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}
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}
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