| /* |
| * Copyright (C) 2016 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.settingslib; |
| |
| import android.content.Context; |
| import android.graphics.drawable.Drawable; |
| import android.support.v7.preference.DropDownPreference; |
| import android.support.v7.preference.PreferenceViewHolder; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemSelectedListener; |
| import android.widget.ArrayAdapter; |
| import android.widget.Spinner; |
| import android.widget.TextView; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; |
| |
| public class RestrictedDropDownPreference extends DropDownPreference { |
| private Spinner mSpinner; |
| private final Drawable mRestrictedPadlock; |
| private final int mRestrictedPadlockPadding; |
| private List<RestrictedItem> mRestrictedItems = new ArrayList<>(); |
| |
| public RestrictedDropDownPreference(Context context) { |
| this(context, null); |
| } |
| |
| public RestrictedDropDownPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| |
| mRestrictedPadlock = RestrictedLockUtils.getRestrictedPadlock(context); |
| mRestrictedPadlockPadding = context.getResources().getDimensionPixelSize( |
| R.dimen.restricted_icon_padding); |
| } |
| |
| private final OnItemSelectedListener mItemSelectedListener = new OnItemSelectedListener() { |
| @Override |
| public void onItemSelected(AdapterView<?> parent, View v, int position, long id) { |
| if (position >= 0) { |
| String value = getEntryValues()[position].toString(); |
| RestrictedItem item = getRestrictedItemForEntryValue(value); |
| if (item != null) { |
| RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(), |
| item.enforcedAdmin); |
| mSpinner.setSelection(findIndexOfValue(getValue())); |
| } else if (!value.equals(getValue()) && callChangeListener(value)) { |
| setValue(value); |
| } |
| } |
| } |
| |
| @Override |
| public void onNothingSelected(AdapterView<?> parent) { |
| // noop |
| } |
| }; |
| |
| @Override |
| protected ArrayAdapter createAdapter() { |
| return new RestrictedArrayItemAdapter(getContext()); |
| } |
| |
| @Override |
| public void setValue(String value) { |
| if (getRestrictedItemForEntryValue(value) != null) { |
| return; |
| } |
| super.setValue(value); |
| } |
| |
| @Override |
| public void onBindViewHolder(PreferenceViewHolder view) { |
| super.onBindViewHolder(view); |
| mSpinner = (Spinner) view.itemView.findViewById(R.id.spinner); |
| mSpinner.setOnItemSelectedListener(mItemSelectedListener); |
| } |
| |
| private class RestrictedArrayItemAdapter extends ArrayAdapter<String> { |
| public RestrictedArrayItemAdapter(Context context) { |
| super(context, R.layout.spinner_dropdown_restricted_item); |
| } |
| |
| @Override |
| public View getDropDownView(int position, View convertView, ViewGroup parent) { |
| TextView view = (TextView) super.getView(position, convertView, parent); |
| CharSequence entry = getItem(position); |
| boolean isEntryRestricted = isRestrictedForEntry(entry); |
| RestrictedLockUtils.setTextViewPadlock(getContext(), view, isEntryRestricted); |
| view.setEnabled(!isEntryRestricted); |
| return view; |
| } |
| } |
| |
| private boolean isRestrictedForEntry(CharSequence entry) { |
| if (entry == null) { |
| return false; |
| } |
| for (RestrictedItem item : mRestrictedItems) { |
| if (entry.equals(item.entry)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private RestrictedItem getRestrictedItemForEntryValue(CharSequence entryValue) { |
| if (entryValue == null) { |
| return null; |
| } |
| for (RestrictedItem item : mRestrictedItems) { |
| if (entryValue.equals(item.entryValue)) { |
| return item; |
| } |
| } |
| return null; |
| } |
| |
| public void addRestrictedItem(RestrictedItem item) { |
| mRestrictedItems.add(item); |
| } |
| |
| public static class RestrictedItem { |
| public CharSequence entry; |
| public CharSequence entryValue; |
| public EnforcedAdmin enforcedAdmin; |
| |
| public RestrictedItem(CharSequence entry, CharSequence entryValue, |
| EnforcedAdmin enforcedAdmin) { |
| this.entry = entry; |
| this.entryValue = entryValue; |
| this.enforcedAdmin = enforcedAdmin; |
| } |
| } |
| } |