Merge "Handles Flash Notifications intro if there's no valid camera" into udc-dev

    <string name="flash_notifications_summary_on_camera_and_screen">On / Camera and screen flash</string>

    <!-- Introduction in Flash Notification page to introduce flash notifications feature. [CHAR LIMIT=NONE]  -->

    <string name="flash_notifications_intro">Flash the camera light or the screen when you receive notifications or when alarms sound</string>

    <!-- Introduction in Flash Notification page to introduce flash notifications feature without camera flash option. [CHAR LIMIT=NONE]  -->

    <string name="flash_notifications_intro_without_camera_flash">Flash the screen when you receive notifications or when alarms sound</string>

    <!-- Notes in Flash Notification page footer for something should be aware. [CHAR LIMIT=NONE]  -->

    <string name="flash_notifications_note">Use flash notifications with caution if you\u0027re light sensitive</string>

    <!-- Label of the button to preview the selected Flash Notification effects. [CHAR LIMIT=20]-->

    <com.android.settingslib.widget.TopIntroPreference

        android:key="flash_notifications_intro"

        android:title="@string/flash_notifications_intro" />

        settings:controller="com.android.settings.accessibility.FlashNotificationsIntroPreferenceController" />

    <com.android.settingslib.widget.IllustrationPreference

        android:key="flash_notifications_illustration"

/*

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.settings.accessibility;

import android.content.Context;

import androidx.preference.Preference;

import androidx.preference.PreferenceScreen;

import com.android.settings.R;

import com.android.settings.core.BasePreferenceController;

/** Preference controller that controls the text content of Flash Notifications intro. */

public class FlashNotificationsIntroPreferenceController extends BasePreferenceController {

    public FlashNotificationsIntroPreferenceController(Context context,

            String preferenceKey) {

        super(context, preferenceKey);

    }

    @Override

    public int getAvailabilityStatus() {

        return AVAILABLE;

    }

    @Override

    public void displayPreference(PreferenceScreen screen) {

        super.displayPreference(screen);

        final int titleResource = FlashNotificationsUtil.isTorchAvailable(mContext)

                ? R.string.flash_notifications_intro

                : R.string.flash_notifications_intro_without_camera_flash;

        final Preference preference = screen.findPreference(getPreferenceKey());

        if (preference != null) {

            preference.setTitle(titleResource);

        }

    }

}