TunnelEditor: fix nits

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

app/src/main/java/com/wireguard/android/databinding/ObservableKeyedRecyclerViewAdapter.java

@@ -1,3 +1,9 @@
+/*
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier:
+ */
+
 package com.wireguard.android.databinding;
 
 import android.content.Context;
@@ -57,12 +63,12 @@ class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>> extend
     }
 
     @NonNull @Override
-    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    public ViewHolder onCreateViewHolder(@NonNull final ViewGroup parent, final int viewType) {
         return new ViewHolder(DataBindingUtil.inflate(layoutInflater, layoutId, parent, false));
     }
 
     @Override
-    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+    public void onBindViewHolder(@NonNull final ViewHolder holder, final int position) {
         holder.binding.setVariable(BR.collection, list);
         holder.binding.setVariable(BR.key, getKey(position));
         holder.binding.setVariable(BR.item, getItem(position));
@@ -125,7 +131,7 @@ class ObservableKeyedRecyclerViewAdapter<K, E extends Keyed<? extends K>> extend
     public static class ViewHolder extends RecyclerView.ViewHolder {
         final ViewDataBinding binding;
 
-        public ViewHolder(ViewDataBinding binding) {
+        public ViewHolder(final ViewDataBinding binding) {
             super(binding.getRoot());
 
             this.binding = binding;

app/src/main/java/com/wireguard/android/fragment/AppListDialogFragment.java

@@ -1,3 +1,9 @@
+/*
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier:
+ */
+
 package com.wireguard.android.fragment;
 
 import android.app.Activity;
@@ -33,20 +39,19 @@ public class AppListDialogFragment extends DialogFragment {
     private static final String KEY_EXCLUDED_APPS = "excludedApps";
 
     private List<String> currentlyExcludedApps;
-    private Tunnel tunnel;
     private final ObservableKeyedList<String, ApplicationData> appData = new ObservableKeyedArrayList<>();
 
-    public static <T extends Fragment & AppExclusionListener> AppListDialogFragment newInstance(String[] excludedApps, T target) {
+    public static <T extends Fragment & AppExclusionListener> AppListDialogFragment newInstance(final String[] excludedApps, final T target) {
-        Bundle extras = new Bundle();
+        final Bundle extras = new Bundle();
         extras.putStringArray(KEY_EXCLUDED_APPS, excludedApps);
-        AppListDialogFragment fragment = new AppListDialogFragment();
+        final AppListDialogFragment fragment = new AppListDialogFragment();
         fragment.setTargetFragment(target, 0);
         fragment.setArguments(extras);
         return fragment;
     }
 
     @Override
-    public void onCreate(@Nullable Bundle savedInstanceState) {
+    public void onCreate(@Nullable final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         currentlyExcludedApps = Arrays.asList(getArguments().getStringArray(KEY_EXCLUDED_APPS));
@@ -55,14 +60,11 @@ public class AppListDialogFragment extends DialogFragment {
     @Override
     public void onAttach(final Context context) {
         super.onAttach(context);
-        if (context instanceof BaseActivity) {
-            tunnel = ((BaseActivity) context).getSelectedTunnel();
-        }
     }
 
     @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
+    public Dialog onCreateDialog(final Bundle savedInstanceState) {
-        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
+        final AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity());
         alertDialogBuilder.setTitle(R.string.excluded_applications);
 
         AppListDialogFragmentBinding binding = AppListDialogFragmentBinding.inflate(getActivity().getLayoutInflater(), null, false);
@@ -88,11 +90,11 @@ public class AppListDialogFragment extends DialogFragment {
 
         final PackageManager pm = activity.getPackageManager();
         Application.getAsyncWorker().supplyAsync(() -> {
-            Intent launcherIntent = new Intent(Intent.ACTION_MAIN, null);
+            final Intent launcherIntent = new Intent(Intent.ACTION_MAIN, null);
             launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER);
-            List<ResolveInfo> resolveInfos = pm.queryIntentActivities(launcherIntent, 0);
+            final List<ResolveInfo> resolveInfos = pm.queryIntentActivities(launcherIntent, 0);
 
-            List<ApplicationData> appData = new ArrayList<>();
+            final List<ApplicationData> appData = new ArrayList<>();
             for (ResolveInfo resolveInfo : resolveInfos) {
                 String packageName = resolveInfo.activityInfo.packageName;
                 appData.add(new ApplicationData(resolveInfo.loadIcon(pm), resolveInfo.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)));
@@ -115,7 +117,7 @@ public class AppListDialogFragment extends DialogFragment {
 
     void setExclusionsAndDismiss() {
         final List<String> excludedApps = new ArrayList<>();
-        for (ApplicationData data : appData) {
+        for (final ApplicationData data : appData) {
             if (data.isExcludedFromTunnel()) {
                 excludedApps.add(data.getPackageName());
             }

app/src/main/java/com/wireguard/android/fragment/TunnelEditorFragment.java

@@ -225,21 +225,17 @@ public class TunnelEditorFragment extends BaseFragment implements AppExclusionLi
     }
 
     public void onRequestSetExcludedApplications(@SuppressWarnings("unused") final View view) {
-        FragmentManager fragmentManager = getFragmentManager();
+        final FragmentManager fragmentManager = getFragmentManager();
         if (fragmentManager != null) {
-            String[] excludedApps = excludedApplications();
+            final String[] excludedApps = Attribute.stringToList(binding.getConfig().getInterfaceSection().getExcludedApplications());
-            AppListDialogFragment fragment = AppListDialogFragment.newInstance(excludedApps, this);
+            final AppListDialogFragment fragment = AppListDialogFragment.newInstance(excludedApps, this);
             fragment.show(getFragmentManager(), null);
         }
     }
 
     @Override
-    public void onExcludedAppsSelected(List<String> excludedApps) {
+    public void onExcludedAppsSelected(final List<String> excludedApps) {
         binding.getConfig().getInterfaceSection().setExcludedApplications(Attribute.iterableToString(excludedApps));
     }
 
-    public String[] excludedApplications() {
-       return Attribute.stringToList(binding.getConfig().getInterfaceSection().getExcludedApplications());
-    }
-
 }

app/src/main/java/com/wireguard/android/model/ApplicationData.java

@@ -1,3 +1,9 @@
+/*
+ * Copyright © 2018 Eric Kuck <eric@bluelinelabs.com>.
+ * Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * SPDX-License-Identifier:
+ */
+
 package com.wireguard.android.model;
 
 import android.databinding.BaseObservable;
@@ -15,7 +21,7 @@ public class ApplicationData extends BaseObservable implements Keyed<String> {
     @NonNull private final String packageName;
     private boolean excludedFromTunnel;
 
-    public ApplicationData(@NonNull Drawable icon, @NonNull String name, @NonNull String packageName, boolean excludedFromTunnel) {
+    public ApplicationData(@NonNull final Drawable icon, @NonNull final String name, @NonNull final String packageName, final boolean excludedFromTunnel) {
         this.icon = icon;
         this.name = name;
         this.packageName = packageName;
@@ -42,7 +48,7 @@ public class ApplicationData extends BaseObservable implements Keyed<String> {
         return excludedFromTunnel;
     }
 
-    public void setExcludedFromTunnel(boolean excludedFromTunnel) {
+    public void setExcludedFromTunnel(final boolean excludedFromTunnel) {
         this.excludedFromTunnel = excludedFromTunnel;
         notifyPropertyChanged(BR.excludedFromTunnel);
     }

app/src/main/java/com/wireguard/config/Interface.java

@@ -291,6 +291,11 @@ public class Interface {
             return excludedApplications;
         }
 
+        @Bindable
+        public int getExcludedApplicationsCount() {
+            return Attribute.stringToList(excludedApplications).length;
+        }
+
         @Bindable
         public String getListenPort() {
             return listenPort;
@@ -334,6 +339,7 @@ public class Interface {
         public void setExcludedApplications(final String excludedApplications) {
             this.excludedApplications = excludedApplications;
             notifyPropertyChanged(BR.excludedApplications);
+            notifyPropertyChanged(BR.excludedApplicationsCount);
         }
 
         public void setListenPort(final String listenPort) {

app/src/main/res/layout/tunnel_editor_fragment.xml

@@ -218,12 +218,13 @@
 
                         <Button
                             style="@style/Widget.AppCompat.Button.Borderless.Colored"
+                            android:id="@+id/set_excluded_applications"
                             android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
                             android:layout_marginLeft="-8dp"
                             android:layout_below="@+id/dns_servers_text"
                             android:onClick="@{fragment::onRequestSetExcludedApplications}"
-                            android:text="@{fragment.excludedApplications().length == 0 ? @string/set_excluded_applications : String.format(@string/x_excluded_applications, fragment.excludedApplications().length)}" />
+                            android:text="@{@plurals/set_excluded_applications(config.interfaceSection.excludedApplicationsCount, config.interfaceSection.excludedApplicationsCount)}" />
                     </RelativeLayout>
                 </android.support.v7.widget.CardView>
 

app/src/main/res/values/strings.xml

@@ -69,7 +69,10 @@
     <string name="restore_on_boot_summary">Bring up previously-enabled tunnels on boot</string>
     <string name="restore_on_boot_title">Restore on boot</string>
     <string name="save">Save</string>
-    <string name="set_excluded_applications">Set Excluded Applications</string>
+    <plurals name="set_excluded_applications">
+        <item quantity="one">%d Excluded Application</item>
+        <item quantity="other">%d Excluded Applications</item>
+    </plurals>
     <string name="set_exclusions">Set Exclusions</string>
     <string name="settings">Settings</string>
     <string name="toggle_error">Error toggling WireGuard tunnel: %s</string>