Merge remote-tracking branch 'origin/lineage-23.0' into a16

/*

 * SPDX-FileCopyrightText: 2016 The CyanogenMod Project

 * SPDX-FileCopyrightText: 2018 The LineageOS Project

 * SPDX-License-Identifier: Apache-2.0

 */

package lineageos.preference;

import android.content.Context;

import android.util.AttributeSet;

import lineageos.providers.LineageSettings;

public class LineageSystemSettingDropDownPreference extends SelfRemovingDropDownPreference {

    public LineageSystemSettingDropDownPreference(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

    }

    public LineageSystemSettingDropDownPreference(Context context, AttributeSet attrs) {

        super(context, attrs);

    }

    public int getIntValue(int defValue) {

        return getValue() == null ? defValue : Integer.valueOf(getValue());

    }

    @Override

    protected boolean isPersisted() {

        return LineageSettings.System.getString(getContext().getContentResolver(), getKey()) != null;

    }

    @Override

    protected void putString(String key, String value) {

        LineageSettings.System.putString(getContext().getContentResolver(), key, value);

    }

    @Override

    protected String getString(String key, String defaultValue) {

        return LineageSettings.System.getString(getContext().getContentResolver(),

                key, defaultValue);

    }

}

/*

 * SPDX-FileCopyrightText: 2016 The CyanogenMod Project

 * SPDX-FileCopyrightText: 2018 The LineageOS Project

 * SPDX-License-Identifier: Apache-2.0

 */

package lineageos.preference;

import android.content.Context;

import android.util.AttributeSet;

import androidx.preference.DropDownPreference;

import androidx.preference.PreferenceDataStore;

import androidx.preference.PreferenceViewHolder;

/**

 * A Preference which can automatically remove itself from the hierarchy

 * based on constraints set in XML.

 */

public abstract class SelfRemovingDropDownPreference extends DropDownPreference {

    private final ConstraintsHelper mConstraints;

    public SelfRemovingDropDownPreference(Context context, AttributeSet attrs, int defStyle) {

        super(context, attrs, defStyle);

        mConstraints = new ConstraintsHelper(context, attrs, this);

        setPreferenceDataStore(new DataStore());

    }

    public SelfRemovingDropDownPreference(Context context, AttributeSet attrs) {

        super(context, attrs);

        mConstraints = new ConstraintsHelper(context, attrs, this);

        setPreferenceDataStore(new DataStore());

    }

    public SelfRemovingDropDownPreference(Context context) {

        super(context);

        mConstraints = new ConstraintsHelper(context, null, this);

        setPreferenceDataStore(new DataStore());

    }

    @Override

    public void onAttached() {

        super.onAttached();

        mConstraints.onAttached();

    }

    @Override

    public void onBindViewHolder(PreferenceViewHolder holder) {

        super.onBindViewHolder(holder);

        mConstraints.onBindViewHolder(holder);

    }

    public void setAvailable(boolean available) {

        mConstraints.setAvailable(available);

    }

    public boolean isAvailable() {

        return mConstraints.isAvailable();

    }

    protected abstract boolean isPersisted();

    protected abstract void putString(String key, String value);

    protected abstract String getString(String key, String defaultValue);

    @Override

    protected void onSetInitialValue(boolean restorePersistedValue, Object defaultValue) {

        final String value;

        if (!restorePersistedValue || !isPersisted()) {

            if (defaultValue == null) {

                return;

            }

            value = (String) defaultValue;

            if (shouldPersist()) {

                persistString(value);

            }

        } else {

            // Note: the default is not used because to have got here

            // isPersisted() must be true.

            value = getString(getKey(), null /* not used */);

        }

        setValue(value);

    }

    private class DataStore extends PreferenceDataStore {

        @Override

        public void putString(String key, String value) {

            SelfRemovingDropDownPreference.this.putString(key, value);

        }

        @Override

        public String getString(String key, String defaultValue) {

            return SelfRemovingDropDownPreference.this.getString(key, defaultValue);

        }

    }

}