65a9173d57
When switching to second user and try to preview the flash notification effect it'll not work. The root cause is the receiver is registered in system process and the broadcast is sent as second user. Needs to send the broadcast as system user to let the receiver receive the preview broadcast. Bug: 286039180 Test: atest FlashNotificationsPreviewPreferenceControllerTest Test: switch to second user and test the preview function Change-Id: I7dd553dac9fd66dab59eaec25849aac9f92989b6
117 lines
4.2 KiB
Java
117 lines
4.2 KiB
Java
/*
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* Copyright (C) 2023 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.accessibility;
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import static com.android.settings.accessibility.FlashNotificationsUtil.ACTION_FLASH_NOTIFICATION_START_PREVIEW;
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import static com.android.settings.accessibility.FlashNotificationsUtil.EXTRA_FLASH_NOTIFICATION_PREVIEW_TYPE;
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import static com.android.settings.accessibility.FlashNotificationsUtil.TYPE_SHORT_PREVIEW;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.Intent;
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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.os.UserHandle;
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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.annotation.VisibleForTesting;
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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.core.BasePreferenceController;
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/**
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* Controller for flash notifications preview.
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*/
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public class FlashNotificationsPreviewPreferenceController extends
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BasePreferenceController implements LifecycleEventObserver {
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private Preference mPreference;
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private final ContentResolver mContentResolver;
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@VisibleForTesting
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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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updateState(mPreference);
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}
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};
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public FlashNotificationsPreviewPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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mContentResolver = context.getContentResolver();
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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updateState(mPreference);
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}
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@Override
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public boolean handlePreferenceTreeClick(Preference preference) {
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if (getPreferenceKey().equals(preference.getKey())) {
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Intent intent = new Intent(ACTION_FLASH_NOTIFICATION_START_PREVIEW);
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intent.putExtra(EXTRA_FLASH_NOTIFICATION_PREVIEW_TYPE, TYPE_SHORT_PREVIEW);
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mContext.sendBroadcastAsUser(intent, UserHandle.SYSTEM);
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return true;
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}
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return super.handlePreferenceTreeClick(preference);
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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.System.getUriFor(Settings.System.CAMERA_FLASH_NOTIFICATION),
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/* notifyForDescendants= */ false, mContentObserver);
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mContentResolver.registerContentObserver(
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Settings.System.getUriFor(Settings.System.SCREEN_FLASH_NOTIFICATION),
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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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@Override
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public void updateState(Preference preference) {
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super.updateState(preference);
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if (preference == null) {
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return;
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}
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preference.setEnabled(FlashNotificationsUtil.getFlashNotificationsState(mContext)
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!= FlashNotificationsUtil.State.OFF);
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}
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}
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