Remove obsoleted code: DividerSwitchPreference

/*

 * Copyright (C) 2020 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.view.View;

import androidx.preference.PreferenceViewHolder;

import androidx.preference.SwitchPreference;

/**

 * A switch preference that has a divider below and above. Used for Accessibility Settings use

 * service.

 */

public final class DividerSwitchPreference extends SwitchPreference {

    private Boolean mDividerAllowedAbove;

    private Boolean mDividerAllowBelow;

    private int mSwitchVisibility;

    public DividerSwitchPreference(Context context) {

        super(context);

        mDividerAllowedAbove = true;

        mDividerAllowBelow = true;

        mSwitchVisibility = View.VISIBLE;

    }

    @Override

    public void onBindViewHolder(PreferenceViewHolder holder) {

        super.onBindViewHolder(holder);

        holder.setDividerAllowedAbove(mDividerAllowedAbove);

        holder.setDividerAllowedBelow(mDividerAllowBelow);

        final View switchView = holder.itemView.findViewById(android.R.id.widget_frame);

        if (switchView != null) {

            switchView.setVisibility(mSwitchVisibility);

        }

    }

    /**

     * Sets divider whether to show in preference above.

     *

     * @param allowed true will be drawn on above this item

     */

    public void setDividerAllowedAbove(boolean allowed) {

        if (mDividerAllowedAbove != allowed) {

            mDividerAllowedAbove = allowed;

            notifyChanged();

        }

    }

    /**

     * Sets divider whether to show in preference below.

     *

     * @param allowed true will be drawn on below this item

     */

    public void setDividerAllowedBelow(boolean allowed) {

        if (mDividerAllowedAbove != allowed) {

            mDividerAllowBelow = allowed;

            notifyChanged();

        }

    }

    /**

     * Sets the visibility state of Settings view.

     *

     * @param visibility one of {@link View#VISIBLE}, {@link View#INVISIBLE}, or {@link View#GONE}.

     */

    public void setSwitchVisibility(@View.Visibility int visibility) {

        if (mSwitchVisibility != visibility) {

            mSwitchVisibility = visibility;

            notifyChanged();

        }

    }

}

/*

 * Copyright (C) 2020 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 static com.google.common.truth.Truth.assertThat;

import static org.mockito.Mockito.doReturn;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.internal.verification.VerificationModeFactory.times;

import android.content.Context;

import android.view.LayoutInflater;

import android.view.View;

import androidx.preference.PreferenceViewHolder;

import com.android.settings.R;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.RuntimeEnvironment;

/** Tests for {@link DividerSwitchPreference}. */

@RunWith(RobolectricTestRunner.class)

public class DividerSwitchPreferenceTest {

    private final Context mContext = RuntimeEnvironment.application;

    private View mRootView;

    private PreferenceViewHolder mViewHolder;

    private DividerSwitchPreference mDividerSwitchPreference;

    @Before

    public void setUp() {

        initRootView();

        initPreference();

    }

    @Test

    public void setDividerAllowedAbove_allowed_success() {

        mDividerSwitchPreference.setDividerAllowedAbove(true);

        mDividerSwitchPreference.onBindViewHolder(mViewHolder);

        // One time was in parent, the other time was in child.

        verify(mViewHolder, times(2)).setDividerAllowedAbove(true);

    }

    @Test

    public void setDividerAllowedBelow_allowed_success() {

        mDividerSwitchPreference.setDividerAllowedBelow(true);

        mDividerSwitchPreference.onBindViewHolder(mViewHolder);

        // One time was in parent, the other time was in child.

        verify(mViewHolder, times(2)).setDividerAllowedBelow(true);

    }

    @Test

    public void setSwitchVisibility_visible_success() {

        final View view = spy(new View(mContext));

        doReturn(view).when(mRootView).findViewById(android.R.id.widget_frame);

        mDividerSwitchPreference.setSwitchVisibility(View.VISIBLE);

        mDividerSwitchPreference.onBindViewHolder(mViewHolder);

        assertThat(view.getVisibility()).isEqualTo(View.VISIBLE);

    }

    private void initRootView() {

        final LayoutInflater inflater = LayoutInflater.from(mContext);

        mRootView = spy(inflater.inflate(R.layout.preference_widget_switch, /* root= */ null));

        mViewHolder = spy(PreferenceViewHolder.createInstanceForTests(mRootView));

    }

    private void initPreference() {

        mDividerSwitchPreference = new DividerSwitchPreference(mContext);

        mDividerSwitchPreference.setDividerAllowedAbove(false);

        mDividerSwitchPreference.setDividerAllowedBelow(false);

        mDividerSwitchPreference.setSwitchVisibility(View.INVISIBLE);

    }

}