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author | Adrian Roos <roosa@google.com> | 2014-03-24 21:21:51 +0100 |
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committer | Adrian Roos <roosa@google.com> | 2014-03-31 23:00:51 +0200 |
commit | 5954ff505fa7c35d4ff0ca0c8e74c16551a43c04 (patch) | |
tree | ed5d0ed8cc63ad59b3ee71338d38e8ff3b436a8c /src/com/android/settings/TrustAgentSettings.java | |
parent | 3726525d50d480a3d954c103a844f0c4b3c7d3e0 (diff) | |
download | packages_apps_Settings-5954ff505fa7c35d4ff0ca0c8e74c16551a43c04.zip packages_apps_Settings-5954ff505fa7c35d4ff0ca0c8e74c16551a43c04.tar.gz packages_apps_Settings-5954ff505fa7c35d4ff0ca0c8e74c16551a43c04.tar.bz2 |
Add initial trust agent settings
Adds a first version of the trust agent settings
under Security -> Device Administration -> Trust Agents.
Change-Id: I2e2dc41208d13cc1b11bb21d427c6f86053a3640
Diffstat (limited to 'src/com/android/settings/TrustAgentSettings.java')
-rw-r--r-- | src/com/android/settings/TrustAgentSettings.java | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/src/com/android/settings/TrustAgentSettings.java b/src/com/android/settings/TrustAgentSettings.java new file mode 100644 index 0000000..f209ca5 --- /dev/null +++ b/src/com/android/settings/TrustAgentSettings.java @@ -0,0 +1,304 @@ +/* + * 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 org.xmlpull.v1.XmlPullParser; +import org.xmlpull.v1.XmlPullParserException; + +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.content.res.Resources; +import android.content.res.TypedArray; +import android.content.res.XmlResourceParser; +import android.graphics.drawable.Drawable; +import android.os.Bundle; +import android.service.trust.TrustAgentService; +import android.util.ArrayMap; +import android.util.ArraySet; +import android.util.AttributeSet; +import android.util.Slog; +import android.util.Xml; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.BaseAdapter; +import android.widget.CheckBox; +import android.widget.ImageView; +import android.widget.TextView; + +import java.io.IOException; +import java.util.List; + +public class TrustAgentSettings extends ListFragment implements View.OnClickListener { + static final String TAG = "TrustAgentSettings"; + + private static final String SERVICE_INTERFACE = TrustAgentService.SERVICE_INTERFACE; + private static final String TRUST_AGENT_META_DATA = TrustAgentService.TRUST_AGENT_META_DATA; + + + 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; + Drawable icon; + ComponentName component; // service that implements ITrustAgent + ComponentName settings; // setting to launch to modify agent. + + @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.trust_agent_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; + ComponentName name = getComponentName(resolveInfo); + if (!mAvailableAgents.containsKey(name)) { + AgentInfo agentInfo = new AgentInfo(); + agentInfo.label = resolveInfo.loadLabel(pm); + agentInfo.icon = resolveInfo.loadIcon(pm); + agentInfo.component = name; + agentInfo.settings = getSettingsComponentName(pm, resolveInfo); + mAvailableAgents.put(name, agentInfo); + } + } + ((BaseAdapter) getListAdapter()).notifyDataSetChanged(); + } + + private ComponentName getComponentName(ResolveInfo resolveInfo) { + if (resolveInfo == null || resolveInfo.serviceInfo == null) return null; + return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name); + } + + private ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) { + if (resolveInfo == null || resolveInfo.serviceInfo == null + || resolveInfo.serviceInfo.metaData == null) return null; + String cn = null; + XmlResourceParser parser = null; + Exception caughtException = null; + try { + parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, TRUST_AGENT_META_DATA); + if (parser == null) { + Slog.w(TAG, "Can't find " + TRUST_AGENT_META_DATA + " meta-data"); + return null; + } + Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo); + AttributeSet attrs = Xml.asAttributeSet(parser); + int type; + while ((type = parser.next()) != XmlPullParser.END_DOCUMENT + && type != XmlPullParser.START_TAG) { + } + String nodeName = parser.getName(); + if (!"trust_agent".equals(nodeName)) { + Slog.w(TAG, "Meta-data does not start with trust_agent tag"); + return null; + } + TypedArray sa = res + .obtainAttributes(attrs, com.android.internal.R.styleable.TrustAgent); + cn = sa.getString(com.android.internal.R.styleable.TrustAgent_settingsActivity); + sa.recycle(); + } catch (PackageManager.NameNotFoundException e) { + caughtException = e; + } catch (IOException e) { + caughtException = e; + } catch (XmlPullParserException e) { + caughtException = e; + } finally { + if (parser != null) parser.close(); + } + if (caughtException != null) { + Slog.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException); + return null; + } + if (cn != null && cn.indexOf('/') < 0) { + cn = resolveInfo.serviceInfo.packageName + "/" + cn; + } + return cn == null ? null : ComponentName.unflattenFromString(cn); + } + + @Override + public void onClick(View view) { + ViewHolder h = (ViewHolder) view.getTag(); + AgentInfo agentInfo = h.agentInfo; + + if (view.getId() == R.id.settings) { + if (agentInfo.settings != null) { + Intent intent = new Intent(); + intent.setComponent(agentInfo.settings); + intent.setAction("TODO"); + startActivity(intent); + } + } else 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 { + ImageView icon; + TextView name; + CheckBox checkbox; + TextView description; + AgentInfo agentInfo; + View clickable; + View settings; + } + + 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.icon = (ImageView)v.findViewById(R.id.icon); + 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(TrustAgentSettings.this); + h.description = (TextView)v.findViewById(R.id.description); + h.settings = v.findViewById(R.id.settings); + h.settings.setOnClickListener(TrustAgentSettings.this); + v.setTag(h); + h.settings.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; + vh.settings.setVisibility(item.settings != null ? View.VISIBLE : View.INVISIBLE); + } + } +} |