Hide notification channel slice that is interacted

- Ignore interacted package in ContextualNotificationChannelSlice.
- Regularly clear package record with background worker.

Bug:129726858
Test: visual, robotests

Change-Id: I94661a53bcbbe4a15479224c33cfb2eff345aa67

tests/robotests/src/com/android/settings/homepage/contextualcards/slices/ContextualNotificationChannelSliceTest.java

@@ -16,30 +16,49 @@
 
 package com.android.settings.homepage.contextualcards.slices;
 
+import static android.content.Context.MODE_PRIVATE;
+
+import static com.android.settings.homepage.contextualcards.slices.ContextualNotificationChannelSlice.PREFS;
+import static com.android.settings.homepage.contextualcards.slices.ContextualNotificationChannelSlice.PREF_KEY_INTERACTED_PACKAGES;
+
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.net.Uri;
+import android.util.ArraySet;
 
 import com.android.settings.R;
 import com.android.settings.slices.CustomSliceRegistry;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.RobolectricTestRunner;
 import org.robolectric.RuntimeEnvironment;
 
+import java.util.Set;
+
 @RunWith(RobolectricTestRunner.class)
 public class ContextualNotificationChannelSliceTest {
 
+    private static final String PACKAGE_NAME = "package_name";
+
     private Context mContext;
     private ContextualNotificationChannelSlice mNotificationChannelSlice;
+    private SharedPreferences mSharedPreferences;
 
     @Before
     public void setUp() {
         mContext = RuntimeEnvironment.application;
         mNotificationChannelSlice = new ContextualNotificationChannelSlice(mContext);
+        mSharedPreferences = mContext.getSharedPreferences(PREFS, MODE_PRIVATE);
+    }
+
+    @After
+    public void tearDown() {
+        removeInteractedPackageFromSharedPreference();
     }
 
     @Test
@@ -55,4 +74,34 @@ public class ContextualNotificationChannelSliceTest {
 
         assertThat(subTitle).isEqualTo(mContext.getText(R.string.recently_installed_app));
     }
+
+    @Test
+    public void isUserInteracted_hasInteractedPackage_shouldBeTrue() {
+        addInteractedPackageToSharedPreference();
+
+        final boolean isInteracted = mNotificationChannelSlice.isUserInteracted(PACKAGE_NAME);
+
+        assertThat(isInteracted).isTrue();
+    }
+
+    @Test
+    public void isUserInteracted_noInteractedPackage_shouldBeFalse() {
+        final boolean isInteracted = mNotificationChannelSlice.isUserInteracted(PACKAGE_NAME);
+
+        assertThat(isInteracted).isFalse();
+    }
+
+    private void addInteractedPackageToSharedPreference() {
+        final Set<String> interactedPackages = new ArraySet<>();
+        interactedPackages.add(PACKAGE_NAME);
+
+        mSharedPreferences.edit().putStringSet(PREF_KEY_INTERACTED_PACKAGES,
+                interactedPackages).apply();
+    }
+
+    private void removeInteractedPackageFromSharedPreference() {
+        if (mSharedPreferences.contains(PREF_KEY_INTERACTED_PACKAGES)) {
+            mSharedPreferences.edit().remove(PREF_KEY_INTERACTED_PACKAGES).apply();
+        }
+    }
 }

tests/robotests/src/com/android/settings/homepage/contextualcards/slices/NotificationChannelSliceTest.java

@@ -26,7 +26,6 @@ import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.when;
 import static org.robolectric.Shadows.shadowOf;
 
 import android.app.NotificationChannel;
@@ -299,6 +298,21 @@ public class NotificationChannelSliceTest {
         assertThat(metadata.getTitle()).isEqualTo(mContext.getString(R.string.no_suggested_app));
     }
 
+    @Test
+    @Config(shadows = ShadowRestrictedLockUtilsInternal.class)
+    public void getSlice_isInteractedPackage_shouldHaveNoSuggestedAppTitle() {
+        addMockPackageToPackageManager(true /* isRecentlyInstalled */,
+                ApplicationInfo.FLAG_INSTALLED);
+        mockNotificationBackend(CHANNEL_COUNT, NOTIFICATION_COUNT, false /* banned */,
+                false /* isChannelBlocked */);
+        doReturn(true).when(mNotificationChannelSlice).isUserInteracted(any(String.class));
+
+        final Slice slice = mNotificationChannelSlice.getSlice();
+
+        final SliceMetadata metadata = SliceMetadata.from(mContext, slice);
+        assertThat(metadata.getTitle()).isEqualTo(mContext.getString(R.string.no_suggested_app));
+    }
+
     private void addMockPackageToPackageManager(boolean isRecentlyInstalled, int flags) {
         final ApplicationInfo applicationInfo = new ApplicationInfo();
         applicationInfo.name = APP_LABEL;

tests/robotests/src/com/android/settings/homepage/contextualcards/slices/NotificationChannelWorkerTest.java

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2019 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.homepage.contextualcards.slices;
+
+import static android.content.Context.MODE_PRIVATE;
+
+import static com.android.settings.homepage.contextualcards.slices.ContextualNotificationChannelSlice.PREFS;
+import static com.android.settings.homepage.contextualcards.slices.ContextualNotificationChannelSlice.PREF_KEY_INTERACTED_PACKAGES;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.robolectric.Shadows.shadowOf;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.pm.PackageInfo;
+import android.net.Uri;
+import android.util.ArraySet;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.shadows.ShadowPackageManager;
+
+import java.util.Set;
+
+@RunWith(RobolectricTestRunner.class)
+public class NotificationChannelWorkerTest {
+    private static final Uri URI = Uri.parse("content://com.android.settings.slices/test");
+    private static final String PACKAGE_NAME = "com.test.notification.channel.slice";
+
+    private Context mContext;
+    private NotificationChannelWorker mNotificationChannelWorker;
+    private ShadowPackageManager mPackageManager;
+    private SharedPreferences mSharedPreferences;
+
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mNotificationChannelWorker = new NotificationChannelWorker(mContext, URI);
+
+        // Shadow PackageManager to add mock package.
+        mPackageManager = shadowOf(mContext.getPackageManager());
+
+        mSharedPreferences = mContext.getSharedPreferences(PREFS, MODE_PRIVATE);
+        addInteractedPackageToSharedPreference();
+    }
+
+    @After
+    public void tearDown() {
+        mPackageManager.removePackage(PACKAGE_NAME);
+        removeInteractedPackageFromSharedPreference();
+    }
+
+    @Test
+    public void onSliceUnpinned_interactedPackageIsUninstalled_shouldRemovePackage() {
+        mNotificationChannelWorker.onSliceUnpinned();
+
+        final Set<String> interactedPackages = mSharedPreferences.getStringSet(
+                PREF_KEY_INTERACTED_PACKAGES, new ArraySet<>());
+        assertThat(interactedPackages.contains(PACKAGE_NAME)).isFalse();
+    }
+
+    @Test
+    public void onSliceUnpinned_interactedPackageIsInstalled_shouldKeepPackage() {
+        mockInteractedPackageAsInstalled();
+
+        mNotificationChannelWorker.onSliceUnpinned();
+
+        final Set<String> interactedPackages = mSharedPreferences.getStringSet(
+                PREF_KEY_INTERACTED_PACKAGES, new ArraySet<>());
+        assertThat(interactedPackages.contains(PACKAGE_NAME)).isTrue();
+    }
+
+    private void mockInteractedPackageAsInstalled() {
+        final PackageInfo packageInfo = new PackageInfo();
+        packageInfo.packageName = PACKAGE_NAME;
+        mPackageManager.addPackage(packageInfo);
+    }
+
+    private void addInteractedPackageToSharedPreference() {
+        final Set<String> interactedPackages = new ArraySet<>();
+        interactedPackages.add(PACKAGE_NAME);
+
+        mSharedPreferences.edit().putStringSet(PREF_KEY_INTERACTED_PACKAGES,
+                interactedPackages).apply();
+    }
+
+    private void removeInteractedPackageFromSharedPreference() {
+        if (mSharedPreferences.contains(PREF_KEY_INTERACTED_PACKAGES)) {
+            mSharedPreferences.edit().remove(PREF_KEY_INTERACTED_PACKAGES).apply();
+        }
+    }
+}