Toggle between profiles in VPN Settings

This adds a spinner to the VPN settings screen which can be used to toggle
between the Settings app in the primary and managed profile so that the user
can edit settings belonging to both profiles.

Bug:16030111
Change-Id: I3b800264c634900412e8eebdbcf43a2b6913c2be

src/com/android/settings/vpn2/VpnSettings.java

@@ -16,11 +16,13 @@
 
 package com.android.settings.vpn2;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.Intent;
 import android.content.res.Resources;
 import android.net.ConnectivityManager;
 import android.net.IConnectivityManager;
@@ -29,10 +31,13 @@ import android.os.Handler;
 import android.os.Message;
 import android.os.ServiceManager;
 import android.os.SystemProperties;
+import android.os.UserHandle;
 import android.os.UserManager;
+import android.os.Process;
 import android.preference.Preference;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceScreen;
+import android.provider.Settings;
 import android.security.Credentials;
 import android.security.KeyStore;
 import android.text.TextUtils;
@@ -44,11 +49,14 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.widget.AdapterView;
 import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.Toast;
+import android.widget.AdapterView.OnItemSelectedListener;
+import android.widget.Spinner;
 
 import com.android.internal.net.LegacyVpnInfo;
 import com.android.internal.net.VpnConfig;
@@ -56,6 +64,10 @@ import com.android.internal.net.VpnProfile;
 import com.android.internal.util.ArrayUtils;
 import com.android.settings.R;
 import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.UserSpinnerAdapter;
+import com.android.settings.UserSpinnerAdapter.UserDetails;
+import com.android.settings.Utils;
+
 import com.google.android.collect.Lists;
 
 import java.util.ArrayList;
@@ -64,11 +76,12 @@ import java.util.List;
 
 public class VpnSettings extends SettingsPreferenceFragment implements
         Handler.Callback, Preference.OnPreferenceClickListener,
-        DialogInterface.OnClickListener, DialogInterface.OnDismissListener {
+        DialogInterface.OnClickListener, DialogInterface.OnDismissListener, OnItemSelectedListener {
     private static final String TAG = "VpnSettings";
 
     private static final String TAG_LOCKDOWN = "lockdown";
 
+    private static final String ACTION_VPN_SETTINGS = "android.net.vpn.SETTINGS";
     private static final String EXTRA_PICK_LOCKDOWN = "android.net.vpn.PICK_LOCKDOWN";
 
     // TODO: migrate to using DialogFragment when editing
@@ -89,6 +102,7 @@ public class VpnSettings extends SettingsPreferenceFragment implements
     private String mSelectedKey;
 
     private boolean mUnavailable;
+    private UserSpinnerAdapter mProfileSpinnerAdapter;
 
     @Override
     public void onCreate(Bundle savedState) {
@@ -115,6 +129,39 @@ public class VpnSettings extends SettingsPreferenceFragment implements
         }
     }
 
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        Context context = getActivity();
+        mProfileSpinnerAdapter = Utils.createUserSpinnerAdapter(mUm, getActivity());
+        if (mProfileSpinnerAdapter != null) {
+             Spinner spinner = (Spinner) getActivity().getLayoutInflater().inflate(
+                    R.layout.spinner_view, null);
+
+            spinner.setAdapter(mProfileSpinnerAdapter);
+            spinner.setOnItemSelectedListener(this);
+            setPinnedHeaderView(spinner);
+        }
+    }
+
+    @Override
+    public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
+        UserHandle selectedUser = mProfileSpinnerAdapter.getUserHandle(position);
+        if (selectedUser.getIdentifier() != UserHandle.myUserId()) {
+            Intent intent = new Intent(ACTION_VPN_SETTINGS);
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            Activity activity = getActivity();
+            activity.startActivityAsUser(intent, selectedUser);
+            activity.finish();
+        }
+    }
+
+    @Override
+    public void onNothingSelected(AdapterView<?> parent) {
+        // Nothing to do
+    }
+
     @Override
     public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
         super.onCreateOptionsMenu(menu, inflater);