1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.vpn2; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.text.TextUtils; 23 import android.util.AttributeSet; 24 import android.view.View; 25 26 import androidx.preference.PreferenceViewHolder; 27 28 import com.android.settings.R; 29 import com.android.settingslib.HelpUtils; 30 import com.android.settingslib.RestrictedPreference; 31 32 33 /** 34 * A preference with an Info icon on the side 35 */ 36 public class VpnInfoPreference extends RestrictedPreference implements View.OnClickListener { 37 38 private boolean mIsInsecureVpn = false; 39 private String mHelpUrl; 40 VpnInfoPreference(Context context, AttributeSet attrs)41 public VpnInfoPreference(Context context, AttributeSet attrs) { 42 super(context, attrs); 43 mHelpUrl = context.getString(R.string.help_url_insecure_vpn); 44 } 45 46 @Override getSecondTargetResId()47 protected int getSecondTargetResId() { 48 // Note: in the future, we will probably want to provide a configuration option 49 // for this info to not be the warning color. 50 return R.layout.preference_widget_warning; 51 } 52 53 @Override shouldHideSecondTarget()54 protected boolean shouldHideSecondTarget() { 55 return false; 56 } 57 58 @Override onBindViewHolder(PreferenceViewHolder holder)59 public void onBindViewHolder(PreferenceViewHolder holder) { 60 super.onBindViewHolder(holder); 61 final View icon = holder.findViewById(R.id.warning_button); 62 if (mIsInsecureVpn && !TextUtils.isEmpty(mHelpUrl)) { 63 icon.setVisibility(View.VISIBLE); 64 icon.setOnClickListener(this); 65 icon.setEnabled(true); 66 } else { 67 icon.setVisibility(View.GONE); 68 icon.setOnClickListener(this); 69 icon.setEnabled(false); 70 } 71 72 // Hide the divider from view 73 final View divider = holder.findViewById(R.id.two_target_divider); 74 divider.setVisibility(View.GONE); 75 } 76 77 @Override onClick(View v)78 public void onClick(View v) { 79 if (v.getId() == R.id.warning_button) { 80 final Intent intent = HelpUtils.getHelpIntent( 81 getContext(), mHelpUrl, this.getClass().getName()); 82 83 if (intent != null) { 84 ((Activity) getContext()).startActivityForResult(intent, 0); 85 } 86 } 87 } 88 89 /** 90 * Sets whether this preference corresponds to an insecure VPN. This will also affect whether 91 * the warning icon appears to the user. 92 */ setInsecureVpn(boolean isInsecureVpn)93 public void setInsecureVpn(boolean isInsecureVpn) { 94 if (mIsInsecureVpn != isInsecureVpn) { 95 mIsInsecureVpn = isInsecureVpn; 96 notifyChanged(); 97 } 98 } 99 } 100