app_Settings/src/com/android/settings/accessibility/MagnificationPreferenceController.java

/*
 * Copyright (C) 2019 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 android.os.Bundle;

import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;

import com.android.settings.core.BasePreferenceController;

public class MagnificationPreferenceController extends BasePreferenceController {

    private Preference mPreference;

    public MagnificationPreferenceController(Context context, String preferenceKey) {
        super(context, preferenceKey);
    }

    @Override
    public int getAvailabilityStatus() {
        return AVAILABLE;
    }

    @Override
    public CharSequence getSummary() {
        return ToggleScreenMagnificationPreferenceFragment.getServiceSummary(mContext);
    }

    @Override
    public void displayPreference(PreferenceScreen screen) {
        super.displayPreference(screen);
        mPreference = screen.findPreference(getPreferenceKey());
        configureMagnificationPreferenceIfNeeded();
    }

    private void configureMagnificationPreferenceIfNeeded() {
        mPreference.setFragment(ToggleScreenMagnificationPreferenceFragment.class.getName());
        final Bundle extras = mPreference.getExtras();
        MagnificationGesturesPreferenceController
                .populateMagnificationGesturesPreferenceExtras(extras, mContext);
    }
}