Add more policy transparency for wifi settings.

Show policy transparency dialog if user tries to modify a
wifi configuration locked by device owner.

Bug: 27375948
Change-Id: I504082282f57bc5de9f097e962d195ecd2cc9da4

res/values/strings.xml

@@ -1489,9 +1489,6 @@
     <!-- Link speed on Wifi Status screen -->
     <string name="link_speed">%1$d Mbps</string>
 
-    <!-- Wifi Alert message when tapping on a preference for a config locked down by device owner. [CHAR LIMIT=200] -->
-    <string name="wifi_alert_lockdown_by_device_owner"><xliff:g id="app_name">%1$s</xliff:g> manages your device and doesn\u2019t allow modifying or deleting this Wi-Fi network. For more information, contact your administrator.</string>
-
     <!-- NFC settings -->
     <!-- Used in the 1st-level settings screen to turn on NFC -->
     <string name="nfc_quick_toggle_title">NFC</string>

src/com/android/settings/wifi/SavedAccessPointsWifiSettings.java

@@ -143,12 +143,8 @@ public class SavedAccessPointsWifiSettings extends SettingsPreferenceFragment
                 }
                 mSelectedAccessPoint = mDlgAccessPoint;
 
-                // Hide forget button if config editing is locked down
-                final boolean hideForgetButton = WifiSettings.isEditabilityLockedDown(getActivity(),
-                        mDlgAccessPoint.getConfig());
                 mDialog = new WifiDialog(getActivity(), this, mDlgAccessPoint,
-                        WifiConfigUiBase.MODE_VIEW, true /* hide the submit button */,
+                        WifiConfigUiBase.MODE_VIEW, true /* hide the submit button */);
-                        hideForgetButton);
                 return mDialog;
 
         }

src/com/android/settings/wifi/WifiDialog.java

@@ -24,6 +24,7 @@ import android.view.View;
 import android.widget.Button;
 
 import com.android.settings.R;
+import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.wifi.AccessPoint;
 
 class WifiDialog extends AlertDialog implements WifiConfigUiBase, DialogInterface.OnClickListener {
@@ -43,13 +44,11 @@ class WifiDialog extends AlertDialog implements WifiConfigUiBase, DialogInterfac
     private View mView;
     private WifiConfigController mController;
     private boolean mHideSubmitButton;
-    private boolean mHideForgetButton;
 
     public WifiDialog(Context context, WifiDialogListener listener, AccessPoint accessPoint,
-            int mode, boolean hideSubmitButton, boolean hideForgetButton) {
+            int mode, boolean hideSubmitButton) {
         this(context, listener, accessPoint, mode);
         mHideSubmitButton = hideSubmitButton;
-        mHideForgetButton = hideForgetButton;
     }
 
     public WifiDialog(Context context, WifiDialogListener listener, AccessPoint accessPoint,
@@ -59,7 +58,6 @@ class WifiDialog extends AlertDialog implements WifiConfigUiBase, DialogInterfac
         mListener = listener;
         mAccessPoint = accessPoint;
         mHideSubmitButton = false;
-        mHideForgetButton = false;
     }
 
     @Override
@@ -83,7 +81,7 @@ class WifiDialog extends AlertDialog implements WifiConfigUiBase, DialogInterfac
             mController.enableSubmitIfAppropriate();
         }
 
-        if (mHideForgetButton) {
+        if (mAccessPoint == null) {
             mController.hideForgetButton();
         }
     }
@@ -109,6 +107,12 @@ class WifiDialog extends AlertDialog implements WifiConfigUiBase, DialogInterfac
                     mListener.onSubmit(this);
                     break;
                 case BUTTON_FORGET:
+                    if (WifiSettings.isEditabilityLockedDown(
+                            getContext(), mAccessPoint.getConfig())) {
+                        RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(),
+                                RestrictedLockUtils.getDeviceOwner(getContext()));
+                        return;
+                    }
                     mListener.onForget(this);
                     break;
             }

src/com/android/settings/wifi/WifiSettings.java

@@ -17,8 +17,6 @@
 package com.android.settings.wifi;
 
 import android.app.Activity;
-import android.app.AlertDialog;
-import android.app.AppGlobals;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.content.BroadcastReceiver;
@@ -27,8 +25,6 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
@@ -74,6 +70,7 @@ import com.android.settings.location.ScanningSettings;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 import com.android.settings.search.SearchIndexableRaw;
+import com.android.settingslib.RestrictedLockUtils;
 import com.android.settingslib.wifi.AccessPoint;
 import com.android.settingslib.wifi.AccessPoint.AccessPointListener;
 import com.android.settingslib.wifi.AccessPointPreference;
@@ -541,26 +538,8 @@ public class WifiSettings extends RestrictedSettingsFragment
         if (accessPoint != null) {
             WifiConfiguration config = accessPoint.getConfig();
             if (isEditabilityLockedDown(getActivity(), config) && accessPoint.isActive()) {
-                final int userId = UserHandle.getUserId(config.creatorUid);
+                RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(),
-                final PackageManager pm = getActivity().getPackageManager();
+                        RestrictedLockUtils.getDeviceOwner(getActivity()));
-                final IPackageManager ipm = AppGlobals.getPackageManager();
-                String appName = pm.getNameForUid(config.creatorUid);
-                try {
-                    final ApplicationInfo appInfo = ipm.getApplicationInfo(appName, /* flags */ 0,
-                            userId);
-                    final CharSequence label = pm.getApplicationLabel(appInfo);
-                    if (label != null) {
-                        appName = label.toString();
-                    }
-                } catch (RemoteException e) {
-                    // leave appName as packageName
-                }
-                final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-                builder.setTitle(accessPoint.getSsid())
-                        .setMessage(getString(R.string.wifi_alert_lockdown_by_device_owner,
-                                appName))
-                        .setPositiveButton(android.R.string.ok, null)
-                        .show();
                 return;
             }
         }
@@ -593,11 +572,8 @@ public class WifiSettings extends RestrictedSettingsFragment
                 }
                 // If it's null, fine, it's for Add Network
                 mSelectedAccessPoint = ap;
-                final boolean hideForget = (ap == null || isEditabilityLockedDown(getActivity(),
-                        ap.getConfig()));
                 mDialog = new WifiDialog(getActivity(), this, ap, mDialogMode,
-                        /* no hide submit/connect */ false,
+                        /* no hide submit/connect */ false);
-                        /* hide forget if config locked down */ hideForget);
                 return mDialog;
             case WPS_PBC_DIALOG_ID:
                 return new WpsDialog(getActivity(), WpsInfo.PBC);