| /* |
| * Copyright (C) 2014 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.settings; |
| |
| import com.android.internal.widget.LockPatternUtils; |
| |
| import android.app.ListFragment; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.Bundle; |
| import android.service.trust.TrustAgentService; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.BaseAdapter; |
| import android.widget.CheckBox; |
| import android.widget.TextView; |
| |
| import java.util.List; |
| |
| public class AdvancedSecuritySettings extends ListFragment implements View.OnClickListener { |
| static final String TAG = "AdvancedSecuritySettings"; |
| |
| private static final String SERVICE_INTERFACE = TrustAgentService.SERVICE_INTERFACE; |
| |
| private final ArraySet<ComponentName> mActiveAgents = new ArraySet<ComponentName>(); |
| private final ArrayMap<ComponentName, AgentInfo> mAvailableAgents |
| = new ArrayMap<ComponentName, AgentInfo>(); |
| |
| private LockPatternUtils mLockPatternUtils; |
| |
| public static final class AgentInfo { |
| CharSequence label; |
| ComponentName component; // service that implements ITrustAgent |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other instanceof AgentInfo) { |
| return component.equals(((AgentInfo)other).component); |
| } |
| return true; |
| } |
| |
| public int compareTo(AgentInfo other) { |
| return component.compareTo(other.component); |
| } |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| if (mLockPatternUtils == null) { |
| mLockPatternUtils = new LockPatternUtils( |
| container.getContext().getApplicationContext()); |
| } |
| setListAdapter(new AgentListAdapter()); |
| return inflater.inflate(R.layout.advanced_security_settings, container, false); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| updateList(); |
| } |
| |
| void updateList() { |
| Context context = getActivity(); |
| if (context == null) { |
| return; |
| } |
| |
| loadActiveAgents(); |
| |
| PackageManager pm = getActivity().getPackageManager(); |
| Intent trustAgentIntent = new Intent(SERVICE_INTERFACE); |
| List<ResolveInfo> resolveInfos = pm.queryIntentServices(trustAgentIntent, |
| PackageManager.GET_META_DATA); |
| |
| mAvailableAgents.clear(); |
| mAvailableAgents.ensureCapacity(resolveInfos.size()); |
| |
| for (ResolveInfo resolveInfo : resolveInfos) { |
| if (resolveInfo.serviceInfo == null) continue; |
| if (!TrustAgentUtils.checkProvidePermission(resolveInfo, pm)) continue; |
| ComponentName name = TrustAgentUtils.getComponentName(resolveInfo); |
| if (!mAvailableAgents.containsKey(name)) { |
| AgentInfo agentInfo = new AgentInfo(); |
| agentInfo.label = resolveInfo.loadLabel(pm); |
| agentInfo.component = name; |
| mAvailableAgents.put(name, agentInfo); |
| } |
| } |
| ((BaseAdapter) getListAdapter()).notifyDataSetChanged(); |
| } |
| |
| @Override |
| public void onClick(View view) { |
| ViewHolder h = (ViewHolder) view.getTag(); |
| |
| if (view.getId() == R.id.clickable) { |
| boolean wasActive = mActiveAgents.contains(h.agentInfo.component); |
| loadActiveAgents(); |
| if (!wasActive) { |
| mActiveAgents.add(h.agentInfo.component); |
| } else { |
| mActiveAgents.remove(h.agentInfo.component); |
| } |
| saveActiveAgents(); |
| ((BaseAdapter) getListAdapter()).notifyDataSetChanged(); |
| } |
| } |
| |
| private void loadActiveAgents() { |
| mActiveAgents.clear(); |
| List<ComponentName> activeTrustAgents = mLockPatternUtils.getEnabledTrustAgents(); |
| if (activeTrustAgents != null) { |
| mActiveAgents.addAll(activeTrustAgents); |
| } |
| } |
| |
| private void saveActiveAgents() { |
| mLockPatternUtils.setEnabledTrustAgents(mActiveAgents); |
| } |
| |
| static class ViewHolder { |
| TextView name; |
| CheckBox checkbox; |
| TextView description; |
| AgentInfo agentInfo; |
| View clickable; |
| } |
| |
| class AgentListAdapter extends BaseAdapter { |
| final LayoutInflater mInflater; |
| |
| AgentListAdapter() { |
| mInflater = (LayoutInflater) |
| getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| } |
| |
| public boolean hasStableIds() { |
| return false; |
| } |
| |
| public int getCount() { |
| return mAvailableAgents.size(); |
| } |
| |
| public Object getItem(int position) { |
| return mAvailableAgents.valueAt(position); |
| } |
| |
| public long getItemId(int position) { |
| return position; |
| } |
| |
| public boolean areAllItemsEnabled() { |
| return false; |
| } |
| |
| public boolean isEnabled(int position) { |
| return true; |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| View v; |
| if (convertView == null) { |
| v = newView(parent); |
| } else { |
| v = convertView; |
| } |
| bindView(v, position); |
| return v; |
| } |
| |
| public View newView(ViewGroup parent) { |
| View v = mInflater.inflate(R.layout.trust_agent_item, parent, false); |
| ViewHolder h = new ViewHolder(); |
| h.name = (TextView)v.findViewById(R.id.name); |
| h.checkbox = (CheckBox)v.findViewById(R.id.checkbox); |
| h.clickable = v.findViewById(R.id.clickable); |
| h.clickable.setOnClickListener(AdvancedSecuritySettings.this); |
| h.description = (TextView)v.findViewById(R.id.description); |
| v.setTag(h); |
| h.clickable.setTag(h); |
| return v; |
| } |
| |
| public void bindView(View view, int position) { |
| ViewHolder vh = (ViewHolder) view.getTag(); |
| AgentInfo item = mAvailableAgents.valueAt(position); |
| vh.name.setText(item.label); |
| vh.checkbox.setChecked(mActiveAgents.contains(item.component)); |
| vh.agentInfo = item; |
| } |
| } |
| } |