1 files changed, 83 insertions, 0 deletions
diff --git a/adservices/apk/java/com/android/adservices/ui/settings/delegates/BlockedTopicsActionDelegate.java b/adservices/apk/java/com/android/adservices/ui/settings/delegates/BlockedTopicsActionDelegate.java
new file mode 100644
index 0000000000..70b794f55f
--- /dev/null
+++ b/adservices/apk/java/com/android/adservices/ui/settings/delegates/BlockedTopicsActionDelegate.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2022 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.adservices.ui.settings.delegates;
+
+import android.util.Log;
+import android.util.Pair;
+
+import androidx.lifecycle.Observer;
+
+import com.android.adservices.api.R;
+import com.android.adservices.data.topics.Topic;
+import com.android.adservices.service.PhFlags;
+import com.android.adservices.ui.settings.DialogManager;
+import com.android.adservices.ui.settings.activities.BlockedTopicsActivity;
+import com.android.adservices.ui.settings.fragments.AdServicesSettingsBlockedTopicsFragment;
+import com.android.adservices.ui.settings.viewmodels.BlockedTopicsViewModel;
+import com.android.adservices.ui.settings.viewmodels.BlockedTopicsViewModel.BlockedTopicsViewModelUiEvent;
+
+/**
+ * Delegate class that helps AdServices Settings fragments to respond to all view model/user events.
+ */
+public class BlockedTopicsActionDelegate extends BaseActionDelegate {
+    private final BlockedTopicsActivity mBlockedTopicsActivity;
+    private final BlockedTopicsViewModel mBlockedTopicsViewModel;
+
+    public BlockedTopicsActionDelegate(
+            BlockedTopicsActivity blockedTopicsActivity,
+            BlockedTopicsViewModel blockedTopicsViewModel) {
+        super(blockedTopicsActivity);
+        mBlockedTopicsActivity = blockedTopicsActivity;
+        mBlockedTopicsViewModel = blockedTopicsViewModel;
+        listenToBlockedTopicsViewModelUiEvents();
+    }
+
+    private void listenToBlockedTopicsViewModelUiEvents() {
+        Observer<Pair<BlockedTopicsViewModelUiEvent, Topic>> observer =
+                eventTopicPair -> {
+                    if (eventTopicPair == null) {
+                        return;
+                    }
+                    BlockedTopicsViewModelUiEvent event = eventTopicPair.first;
+                    Topic topic = eventTopicPair.second;
+                    if (event == null) {
+                        return;
+                    }
+                    try {
+                        if (event == BlockedTopicsViewModelUiEvent.RESTORE_TOPIC) {
+                            logUIAction(ActionEnum.UNBLOCK_TOPIC_SELECTED);
+                            mBlockedTopicsViewModel.restoreTopicConsent(topic);
+                            if (PhFlags.getInstance().getUIDialogsFeatureEnabled()) {
+                                DialogManager.showUnblockTopicDialog(mBlockedTopicsActivity, topic);
+                            }
+                        } else {
+                            Log.e("AdservicesUI", "Unknown Action for UI Logging");
+                        }
+                    } finally {
+                        mBlockedTopicsViewModel.uiEventHandled();
+                    }
+                };
+        mBlockedTopicsViewModel.getUiEvents().observe(mBlockedTopicsActivity, observer);
+    }
+
+    /**
+     * Configure all UI elements (except blocked topics list) in {@link
+     * AdServicesSettingsBlockedTopicsFragment} to handle user actions.
+     */
+    public void initBlockedTopicsFragment() {
+        mBlockedTopicsActivity.setTitle(R.string.settingsUI_blocked_topics_title);
+    }
+}