Added "clearData" to CallLogDataSource and PhoneLookup interfaces.

This is necessary to disable the call log framework via flags.

This isn't yet called anywhere.

Bug: 74821995
Test: unit
PiperOrigin-RevId: 189838957
Change-Id: I926c02c41151528eabc208c874acbfe7897a2f93

3 files changed, 71 insertions, 4 deletions

diff --git a/java/com/android/dialer/phonelookup/database/PhoneLookupDatabaseComponent.java b/java/com/android/dialer/phonelookup/database/PhoneLookupDatabaseComponent.java
new file mode 100644
index 000000000..e3e416078
--- /dev/null
+++ b/java/com/android/dialer/phonelookup/database/PhoneLookupDatabaseComponent.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2018 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.dialer.phonelookup.database;
+
+import android.content.Context;
+import com.android.dialer.inject.HasRootComponent;
+import dagger.Subcomponent;
+
+/** Dagger component for database package. */
+@Subcomponent
+public abstract class PhoneLookupDatabaseComponent {
+
+  public abstract PhoneLookupHistoryDatabaseHelper phoneLookupHistoryDatabaseHelper();
+
+  public static PhoneLookupDatabaseComponent get(Context context) {
+    return ((PhoneLookupDatabaseComponent.HasComponent)
+            ((HasRootComponent) context.getApplicationContext()).component())
+        .phoneLookupDatabaseComponent();
+  }
+
+  /** Used to refer to the root application component. */
+  public interface HasComponent {
+    PhoneLookupDatabaseComponent phoneLookupDatabaseComponent();
+  }
+}
diff --git a/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryContentProvider.java b/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryContentProvider.java
index 1c20b10e9..35d2d4f79 100644
--- a/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryContentProvider.java
+++ b/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryContentProvider.java
@@ -81,7 +81,8 @@ public class PhoneLookupHistoryContentProvider extends ContentProvider {
 
   @Override
   public boolean onCreate() {
-    databaseHelper = new PhoneLookupHistoryDatabaseHelper(getContext());
+    databaseHelper =
+        PhoneLookupDatabaseComponent.get(getContext()).phoneLookupHistoryDatabaseHelper();
     return true;
   }
 
diff --git a/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryDatabaseHelper.java b/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryDatabaseHelper.java
index 43b6f102c..337e467ab 100644
--- a/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryDatabaseHelper.java
+++ b/java/com/android/dialer/phonelookup/database/PhoneLookupHistoryDatabaseHelper.java
@@ -21,13 +21,31 @@ import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteOpenHelper;
 import android.os.SystemClock;
 import com.android.dialer.common.LogUtil;
+import com.android.dialer.common.concurrent.Annotations.BackgroundExecutor;
+import com.android.dialer.inject.ApplicationContext;
 import com.android.dialer.phonelookup.database.contract.PhoneLookupHistoryContract.PhoneLookupHistory;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import javax.inject.Inject;
+import javax.inject.Singleton;
 
 /** {@link SQLiteOpenHelper} for the PhoneLookupHistory database. */
-class PhoneLookupHistoryDatabaseHelper extends SQLiteOpenHelper {
+@Singleton
+public class PhoneLookupHistoryDatabaseHelper extends SQLiteOpenHelper {
 
-  PhoneLookupHistoryDatabaseHelper(Context appContext) {
-    super(appContext, "phone_lookup_history.db", null, 1);
+  private static final String FILENAME = "phone_lookup_history.db";
+
+  private final Context appContext;
+  private final ListeningExecutorService backgroundExecutor;
+
+  @Inject
+  PhoneLookupHistoryDatabaseHelper(
+      @ApplicationContext Context appContext,
+      @BackgroundExecutor ListeningExecutorService backgroundExecutor) {
+    super(appContext, FILENAME, null, 1);
+
+    this.appContext = appContext;
+    this.backgroundExecutor = backgroundExecutor;
   }
 
   // TODO(zachh): LAST_MODIFIED is no longer read and can be deleted.
@@ -62,4 +80,14 @@ class PhoneLookupHistoryDatabaseHelper extends SQLiteOpenHelper {
 
   @Override
   public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {}
+
+  /** Closes the database and deletes it. */
+  public ListenableFuture<Void> delete() {
+    return backgroundExecutor.submit(
+        () -> {
+          close();
+          appContext.deleteDatabase(FILENAME);
+          return null;
+        });
+  }
 }