ProfileActivity: Do menus correctly

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

app/src/main/java/com/wireguard/android/ProfileActivity.java

@@ -52,14 +52,6 @@ abstract class ProfileActivity extends ServiceClientActivity<ProfileServiceInter
         return true;
     }
 
-    public abstract void onMenuEdit(MenuItem item);
-
-    public abstract void onMenuSave(MenuItem item);
-
-    public void onMenuSettings(MenuItem item) {
-        startActivity(new Intent(this, SettingsActivity.class));
-    }
-
     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);

app/src/main/java/com/wireguard/android/ProfileDetailActivity.java

@@ -20,14 +20,20 @@ public class ProfileDetailActivity extends ProfileActivity {
     }
 
     @Override
-    public void onMenuEdit(MenuItem item) {
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_action_edit:
                 final Intent intent = new Intent(this, ProfileEditActivity.class);
                 intent.putExtra(KEY_PROFILE_NAME, getCurrentProfile());
                 startActivity(intent);
-    }
-
-    @Override
-    public void onMenuSave(MenuItem item) {
+                return true;
+            case R.id.menu_action_save:
                 throw new IllegalStateException();
+            case R.id.menu_settings:
+                startActivity(new Intent(this, SettingsActivity.class));
+                return true;
+            default:
+                return false;
+        }
     }
 }

app/src/main/java/com/wireguard/android/ProfileEditActivity.java

@@ -1,5 +1,6 @@
 package com.wireguard.android;
 
+import android.content.Intent;
 import android.view.MenuItem;
 
 /**
@@ -8,12 +9,18 @@ import android.view.MenuItem;
 
 public class ProfileEditActivity extends ProfileActivity {
     @Override
-    public void onMenuEdit(MenuItem item) {
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_action_edit:
                 throw new IllegalStateException();
+            case R.id.menu_action_save:
+                finish();
+                return false;
+            case R.id.menu_settings:
+                startActivity(new Intent(this, SettingsActivity.class));
+                return true;
+            default:
+                return false;
         }
-
-    @Override
-    public void onMenuSave(MenuItem item) {
-
     }
 }

app/src/main/java/com/wireguard/android/ProfileListActivity.java

@@ -35,29 +35,28 @@ public class ProfileListActivity extends ProfileActivity {
         }
         transaction.commit();
         if (isEditing())
-            onMenuEdit(null);
+            startEditing();
         else
             onProfileSelected(getCurrentProfile());
     }
 
     @Override
-    public void onMenuEdit(MenuItem item) {
-        setIsEditing(true);
-        if (isSplitLayout) {
-            updateLayout(getCurrentProfile());
-        } else {
-            final Intent intent = new Intent(this, ProfileEditActivity.class);
-            intent.putExtra(KEY_PROFILE_NAME, getCurrentProfile());
-            startActivity(intent);
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_action_edit:
+                startEditing();
+                return true;
+            case R.id.menu_action_save:
+                getFragmentManager().popBackStack();
+                return false;
+            case R.id.menu_settings:
+                startActivity(new Intent(this, SettingsActivity.class));
+                return true;
+            default:
+                return false;
         }
     }
 
-    @Override
-    public void onMenuSave(MenuItem item) {
-        setIsEditing(false);
-
-    }
-
     public void onProfileSelected(String profile) {
         setIsEditing(false);
         if (isSplitLayout) {
@@ -71,6 +70,19 @@ public class ProfileListActivity extends ProfileActivity {
         }
     }
 
+    private void startEditing() {
+        if (isSplitLayout) {
+            setIsEditing(true);
+            updateLayout(getCurrentProfile());
+        } else if (getCurrentProfile() != null) {
+            final Intent intent = new Intent(this, ProfileEditActivity.class);
+            intent.putExtra(KEY_PROFILE_NAME, getCurrentProfile());
+            startActivity(intent);
+            setCurrentProfile(null);
+            setIsEditing(false);
+        }
+    }
+
     public void updateLayout(String profile) {
         final Fragment fragment = getFragmentManager().findFragmentById(R.id.fragment_container);
         if (isEditing() && profile == null)

app/src/main/res/menu/main.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
+        android:id="@+id/menu_settings"
         android:alphabeticShortcut="s"
         android:icon="@drawable/ic_settings"
-        android:onClick="onMenuSettings"
         android:showAsAction="never"
-        android:title="@string/settings"/>
+        android:title="@string/settings" />
 </menu>

app/src/main/res/menu/profile_detail.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
+        android:id="@+id/menu_action_edit"
         android:alphabeticShortcut="e"
         android:icon="@drawable/ic_action_edit"
-        android:onClick="onMenuEdit"
         android:showAsAction="always"
         android:title="@string/edit" />
 </menu>

app/src/main/res/menu/profile_edit.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
     <item
+        android:id="@+id/menu_action_save"
         android:alphabeticShortcut="s"
         android:icon="@drawable/ic_action_save"
-        android:onClick="onMenuSave"
         android:showAsAction="always"
         android:title="@string/save" />
 </menu>