/*
 * Copyright (C) 2018 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.phone;

import android.content.Context;
import android.os.Bundle;
import android.telephony.ServiceState;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.widget.EditText;

import com.android.internal.telephony.Phone;
import com.android.internal.telephony.imsphone.ImsPhone;
import com.android.phone.settings.fdn.EditPinPreference;

/**
 * This preference represents the status of disable all barring option.
 */
public class CallBarringDeselectAllPreference extends EditPinPreference {
    private static final String LOG_TAG = "CallBarringDeselectAllPreference";
    private static final boolean DBG = (PhoneGlobals.DBG_LEVEL >= 2);

    private boolean mShowPassword;
    private Phone mPhone;

    /**
     * CallBarringDeselectAllPreference constructor.
     *
     * @param context The context of view.
     * @param attrs The attributes of the XML tag that is inflating EditTextPreference.
     */
    public CallBarringDeselectAllPreference(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void showDialog(Bundle state) {
        // Finds out if the password field should be shown or not.
        ImsPhone imsPhone = mPhone != null ? (ImsPhone) mPhone.getImsPhone() : null;
        mShowPassword = !(imsPhone != null
                && ((imsPhone.getServiceState().getState() == ServiceState.STATE_IN_SERVICE)
                        || imsPhone.isUtEnabled()));

        // Selects dialog message depending on if the password field is shown or not.
        setDialogMessage(getContext().getString(mShowPassword
                ? R.string.messageCallBarring : R.string.call_barring_deactivate_all_no_password));

        if (DBG) {
            Log.d(LOG_TAG, "showDialog: mShowPassword: " + mShowPassword);
        }

        super.showDialog(state);
    }

    void init(Phone phone) {
        if (DBG) {
            Log.d(LOG_TAG, "init: phoneId = " + phone.getPhoneId());
        }
        mPhone = phone;
    }

    @Override
    protected void onBindDialogView(View view) {
        super.onBindDialogView(view);

        final EditText editText = (EditText) view.findViewById(android.R.id.edit);
        if (editText != null) {
            // Hide the input-text-line if the password is not shown.
            editText.setVisibility(mShowPassword ? View.VISIBLE : View.GONE);
        }
    }

    @Override
    protected boolean needInputMethod() {
        // Input method should only be displayed if the password-field is shown.
        return mShowPassword;
    }

    /**
     * Returns whether the password field is shown.
     */
    boolean isPasswordShown() {
        return mShowPassword;
    }
}