1 /* 2 * Copyright (C) 2023 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.devicelockcontroller.activities; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.text.Html; 22 import android.text.Spannable; 23 import android.text.SpannableString; 24 import android.text.method.LinkMovementMethod; 25 import android.text.style.ClickableSpan; 26 import android.text.style.URLSpan; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.TextView; 30 31 import androidx.annotation.NonNull; 32 import androidx.recyclerview.widget.RecyclerView; 33 34 import com.android.devicelockcontroller.R; 35 36 /** 37 * A {@link androidx.recyclerview.widget.RecyclerView.ViewHolder} class which describes the item 38 * views used in the {@link RecyclerView} 39 */ 40 final class DevicePolicyGroupViewHolder extends RecyclerView.ViewHolder { 41 42 private static final String TAG = "DevicePolicyGroupViewHolder"; 43 44 private final TextView mGroupTitleTextView; 45 private final ViewGroup mDevicePolicyItems; 46 DevicePolicyGroupViewHolder(View iteView)47 DevicePolicyGroupViewHolder(View iteView) { 48 super(iteView); 49 mGroupTitleTextView = iteView.findViewById(R.id.text_view_device_policy_group_title); 50 mDevicePolicyItems = iteView.findViewById(R.id.device_policy_items); 51 } 52 bind(DevicePolicyGroup devicePolicyGroup, int maxDevicePolicy, String providerName)53 void bind(DevicePolicyGroup devicePolicyGroup, int maxDevicePolicy, String providerName) { 54 Context context = itemView.getContext(); 55 mGroupTitleTextView.setText( 56 context.getString(devicePolicyGroup.getGroupTitleTextId(), providerName)); 57 for (int i = 0; i < devicePolicyGroup.getDevicePolicyList().size(); ++i) { 58 TextView devicePolicyItemView = (TextView) mDevicePolicyItems.getChildAt(i); 59 DevicePolicy devicePolicy = devicePolicyGroup.getDevicePolicyList().get(i); 60 String policyText = context.getString(devicePolicy.getTextId(), providerName); 61 SpannableString text = 62 new SpannableString(Html.fromHtml(policyText, Html.FROM_HTML_MODE_COMPACT)); 63 if (handleUrlSpan(text)) { 64 devicePolicyItemView.setMovementMethod(LinkMovementMethod.getInstance()); 65 } 66 devicePolicyItemView.setText(text); 67 devicePolicyItemView.setCompoundDrawablesRelativeWithIntrinsicBounds( 68 devicePolicy.getDrawableId(), 69 /* top=*/ 0, 70 /* end=*/ 0, 71 /* bottom=*/ 0); 72 devicePolicyItemView.setVisibility(View.VISIBLE); 73 } 74 // not every DevicePolicyGroup has the maximum number of DevicePolicy, hide the extra views 75 for (int i = devicePolicyGroup.getDevicePolicyList().size(); i < maxDevicePolicy; ++i) { 76 TextView devicePolicyItemView = (TextView) mDevicePolicyItems.getChildAt(i); 77 devicePolicyItemView.setVisibility(View.GONE); 78 } 79 } 80 handleUrlSpan(SpannableString text)81 private boolean handleUrlSpan(SpannableString text) { 82 boolean hasUrl = false; 83 URLSpan[] spans = text.getSpans(0, text.length(), URLSpan.class); 84 for (URLSpan span : spans) { 85 int start = text.getSpanStart(span); 86 int end = text.getSpanEnd(span); 87 ClickableSpan clickableSpan = new CustomClickableSpan(span.getURL()); 88 text.removeSpan(span); 89 text.setSpan(clickableSpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 90 hasUrl = true; 91 } 92 return hasUrl; 93 } 94 95 /** 96 * A custom clickable span to open URL as a web intent. 97 */ 98 private static final class CustomClickableSpan extends ClickableSpan { 99 final String mUrl; 100 CustomClickableSpan(String url)101 CustomClickableSpan(String url) { 102 mUrl = url; 103 } 104 105 @Override onClick(@onNull View view)106 public void onClick(@NonNull View view) { 107 Context context = view.getContext(); 108 Intent webIntent = new Intent(context, HelpActivity.class); 109 webIntent.putExtra(HelpActivity.EXTRA_URL_PARAM, mUrl); 110 context.startActivity(webIntent); 111 } 112 } 113 } 114