Show a disclaimer about enabling vpn lockdown

Lockdown is now the default option, not best-effort mode. It's easier to shoot oneself in the foot now so we'll show a warning to explain that before switching it on. Bug: 29052115 Bug: 29076208 Test: com.android.settings.vpn2.AppSettingsTest Change-Id: Ia6845e6a7d57baa5476b8a021fb1255fd74aabea
2016-07-05 10:21:28 +01:00
parent 0cff709a0d
commit b6f787c4df
6 changed files with 263 additions and 92 deletions
--- a/src/com/android/settings/vpn2/ConfirmLockdownFragment.java
+++ b/src/com/android/settings/vpn2/ConfirmLockdownFragment.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2016 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.vpn2;
+
+import android.app.Fragment;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.DialogInterface;
+import android.os.Bundle;
+
+import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+
+public class ConfirmLockdownFragment extends InstrumentedDialogFragment
+        implements DialogInterface.OnClickListener {
+    public interface ConfirmLockdownListener {
+        public void onConfirmLockdown(Bundle options, boolean isEnabled);
+    }
+
+    private static final String TAG = "ConfirmLockdown";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.DIALOG_VPN_REPLACE_EXISTING;
+    }
+
+    private static final String ARG_REPLACING = "replacing";
+    private static final String ARG_LOCKDOWN_SRC = "lockdown_old";
+    private static final String ARG_LOCKDOWN_DST = "lockdown_new";
+    private static final String ARG_OPTIONS = "options";
+
+    public static boolean shouldShow(boolean replacing, boolean fromLockdown, boolean toLockdown) {
+        // We only need to show this if we are:
+        //  - replacing an existing connection
+        //  - switching on always-on mode where it was not enabled before.
+        return replacing || (toLockdown && !fromLockdown);
+    }
+
+    public static void show(Fragment parent, boolean replacing,
+            boolean fromLockdown, boolean toLockdown, Bundle options) {
+        if (parent.getFragmentManager().findFragmentByTag(TAG) != null) {
+            // Already exists. Don't show it twice.
+            return;
+        }
+        final Bundle args = new Bundle();
+        args.putBoolean(ARG_REPLACING, replacing);
+        args.putBoolean(ARG_LOCKDOWN_SRC, fromLockdown);
+        args.putBoolean(ARG_LOCKDOWN_DST, toLockdown);
+        args.putParcelable(ARG_OPTIONS, options);
+
+        final ConfirmLockdownFragment frag = new ConfirmLockdownFragment();
+        frag.setArguments(args);
+        frag.setTargetFragment(parent, 0);
+        frag.show(parent.getFragmentManager(), TAG);
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        final boolean replacing = getArguments().getBoolean(ARG_REPLACING);
+        final boolean wasAlwaysOn = getArguments().getBoolean(ARG_LOCKDOWN_SRC);
+        final boolean nowAlwaysOn = getArguments().getBoolean(ARG_LOCKDOWN_DST);
+
+        final int titleId = replacing ? R.string.vpn_replace_vpn_title : R.string.vpn_set_vpn_title;
+        final int actionId =
+                (replacing ? R.string.vpn_replace :
+                (nowAlwaysOn ? R.string.vpn_turn_on : R.string.okay));
+        final int messageId;
+        if (nowAlwaysOn) {
+            messageId = replacing
+                    ? R.string.vpn_replace_always_on_vpn_enable_message
+                    : R.string.vpn_first_always_on_vpn_message;
+        } else {
+            messageId = wasAlwaysOn
+                    ? R.string.vpn_replace_always_on_vpn_disable_message
+                    : R.string.vpn_replace_vpn_message;
+        }
+
+        return new AlertDialog.Builder(getActivity())
+                .setTitle(titleId)
+                .setMessage(messageId)
+                .setNegativeButton(R.string.cancel, null)
+                .setPositiveButton(actionId, this)
+                .create();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        if (getTargetFragment() instanceof ConfirmLockdownListener) {
+            ((ConfirmLockdownListener) getTargetFragment()).onConfirmLockdown(
+                    getArguments().getParcelable(ARG_OPTIONS),
+                    getArguments().getBoolean(ARG_LOCKDOWN_DST));
+        }
+    }
+}
+