Initial UI for managing device policies.

More to come...  what is here now is very ugly, and completely missing the
confirmation screen for setting a device administrator.

1 files changed, 215 insertions, 0 deletions

diff --git a/src/com/android/settings/DeviceAdminSettings.java b/src/com/android/settings/DeviceAdminSettings.java
new file mode 100644
index 000000000..e3d733ef3
--- /dev/null
+++ b/src/com/android/settings/DeviceAdminSettings.java
@@ -0,0 +1,215 @@
+/*
+ * Copyright (C) 2010 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 org.xmlpull.v1.XmlPullParserException;
+
+import android.app.Activity;
+import android.app.DeviceAdmin;
+import android.app.DeviceAdminInfo;
+import android.app.DevicePolicyManager;
+import android.app.ListActivity;
+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.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class DeviceAdminSettings extends ListActivity {
+    static final String TAG = "DeviceAdminSettings";
+    
+    DevicePolicyManager mDPM;
+    DeviceAdminInfo mCurrentAdmin;
+    
+    View mActiveLayout;
+    ImageView mActiveIcon;
+    TextView mActiveName;
+    TextView mActiveDescription;
+    
+    View mSelectLayout;
+    ArrayList<DeviceAdminInfo> mAvailablePolicies
+            = new ArrayList<DeviceAdminInfo>();
+    
+    @Override
+    protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
+        mCurrentAdmin = mDPM.getActiveAdminInfo();
+        
+        setContentView(R.layout.device_admin_settings);
+        
+        mActiveLayout = findViewById(R.id.active_layout);
+        mActiveIcon = (ImageView)findViewById(R.id.active_icon);
+        mActiveName = (TextView)findViewById(R.id.active_name);
+        mActiveDescription = (TextView)findViewById(R.id.active_description);
+        findViewById(R.id.remove_button).setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                if (mCurrentAdmin != null) {
+                    mDPM.removeActiveAdmin(mCurrentAdmin.getComponent());
+                    finish();
+                }
+            }
+        });
+        
+        mSelectLayout = findViewById(R.id.select_layout);
+        getListView().setDivider(null);
+
+        updateLayout();
+        
+        if (DevicePolicyManager.ACTION_ADD_DEVICE_ADMIN.equals(getIntent().getAction())) {
+            ComponentName cn = (ComponentName)getIntent().getParcelableExtra(
+                    DevicePolicyManager.EXTRA_DEVICE_ADMIN);
+            if (cn == null) {
+                Log.w(TAG, "No component specified in " + getIntent().getAction());
+                finish();
+                return;
+            }
+            if (cn.equals(mCurrentAdmin)) {
+                setResult(Activity.RESULT_OK);
+                finish();
+                return;
+            }
+            if (mCurrentAdmin != null) {
+                Log.w(TAG, "Admin already set, can't do " + getIntent().getAction());
+                finish();
+                return;
+            }
+            
+            try {
+                mDPM.setActiveAdmin(cn);
+                setResult(Activity.RESULT_OK);
+            } catch (RuntimeException e) {
+                Log.w(TAG, "Unable to set admin " + cn, e);
+                setResult(Activity.RESULT_CANCELED);
+            }
+            finish();
+        }
+    }
+    
+    void updateLayout() {
+        if (mCurrentAdmin != null) {
+            mActiveLayout.setVisibility(View.VISIBLE);
+            mSelectLayout.setVisibility(View.GONE);
+            mActiveIcon.setImageDrawable(mCurrentAdmin.loadIcon(getPackageManager()));
+            mActiveName.setText(mCurrentAdmin.loadLabel(getPackageManager()));
+        } else {
+            mActiveLayout.setVisibility(View.GONE);
+            mSelectLayout.setVisibility(View.VISIBLE);
+            mAvailablePolicies.clear();
+            List<ResolveInfo> avail = getPackageManager().queryBroadcastReceivers(
+                    new Intent(DeviceAdmin.ACTION_DEVICE_ADMIN_ENABLED),
+                    PackageManager.GET_META_DATA);
+            for (int i=0; i<avail.size(); i++) {
+                ResolveInfo ri = avail.get(i);
+                try {
+                    DeviceAdminInfo dpi = new DeviceAdminInfo(this, ri);
+                    mAvailablePolicies.add(dpi);
+                } catch (XmlPullParserException e) {
+                    Log.w(TAG, "Skipping " + ri.activityInfo, e);
+                } catch (IOException e) {
+                    Log.w(TAG, "Skipping " + ri.activityInfo, e);
+                }
+            }
+            getListView().setAdapter(new PolicyListAdapter());
+        }
+    }
+    
+    @Override
+    protected void onListItemClick(ListView l, View v, int position, long id) {
+        DeviceAdminInfo dpi = (DeviceAdminInfo)l.getAdapter().getItem(position);
+        mDPM.setActiveAdmin(dpi.getComponent());
+        finish();
+    }
+    
+    static class ViewHolder {
+        ImageView icon;
+        TextView name;
+    }
+    
+    class PolicyListAdapter extends BaseAdapter {
+        final LayoutInflater mInflater;
+        
+        PolicyListAdapter() {
+            mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        }
+
+        public boolean hasStableIds() {
+            return true;
+        }
+        
+        public int getCount() {
+            return mAvailablePolicies.size();
+        }
+
+        public Object getItem(int position) {
+            return mAvailablePolicies.get(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.device_admin_item, parent, false);
+            ViewHolder h = new ViewHolder();
+            h.icon = (ImageView)v.findViewById(R.id.icon);
+            h.name = (TextView)v.findViewById(R.id.name);
+            v.setTag(h);
+            return v;
+        }
+        
+        public void bindView(View view, int position) {
+            ViewHolder vh = (ViewHolder) view.getTag();
+            DeviceAdminInfo item = mAvailablePolicies.get(position);
+            vh.icon.setImageDrawable(item.loadIcon(getPackageManager()));
+            vh.name.setText(item.loadLabel(getPackageManager()));
+        }
+    }
+}