1 files changed, 77 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/DialerApplication.java b/java/com/android/dialer/app/DialerApplication.java
new file mode 100644
index 000000000..3b979212b
--- /dev/null
+++ b/java/com/android/dialer/app/DialerApplication.java
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2013 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.app;
+
+import android.app.Application;
+import android.os.Trace;
+import android.preference.PreferenceManager;
+import com.android.dialer.blocking.BlockedNumbersAutoMigrator;
+import com.android.dialer.blocking.FilteredNumberAsyncQueryHandler;
+import com.android.dialer.enrichedcall.EnrichedCallManager;
+import com.android.dialer.inject.ApplicationModule;
+import com.android.dialer.inject.DaggerDialerAppComponent;
+import com.android.dialer.inject.DialerAppComponent;
+
+public class DialerApplication extends Application implements EnrichedCallManager.Factory {
+
+  private static final String TAG = "DialerApplication";
+
+  private volatile DialerAppComponent component;
+
+  @Override
+  public void onCreate() {
+    Trace.beginSection(TAG + " onCreate");
+    super.onCreate();
+    new BlockedNumbersAutoMigrator(
+            this,
+            PreferenceManager.getDefaultSharedPreferences(this),
+            new FilteredNumberAsyncQueryHandler(this))
+        .autoMigrate();
+    Trace.endSection();
+  }
+
+  @Override
+  public EnrichedCallManager getEnrichedCallManager() {
+    return component().enrichedCallManager();
+  }
+
+  protected DialerAppComponent buildApplicationComponent() {
+    return DaggerDialerAppComponent.builder()
+        .applicationModule(new ApplicationModule(this))
+        .build();
+  }
+
+  /**
+   * Returns the application component.
+   *
+   * <p>A single Component is created per application instance. Note that it won't be instantiated
+   * until it's first requested, but guarantees that only one will ever be created.
+   */
+  private final DialerAppComponent component() {
+    // Double-check idiom for lazy initialization
+    DialerAppComponent result = component;
+    if (result == null) {
+      synchronized (this) {
+        result = component;
+        if (result == null) {
+          component = result = buildApplicationComponent();
+        }
+      }
+    }
+    return result;
+  }
+}