From 682daf24a5733d66c384e8aa854de01fa5b3844e Mon Sep 17 00:00:00 2001
From: zachh <zachh@google.com>
Date: Wed, 21 Mar 2018 14:37:13 -0700
Subject: Enable and disable the call log framework on flag changes.

Bug: 74821995
Test: unit
PiperOrigin-RevId: 189969399
Change-Id: I8e287cc7884dde7640721bd385fe383a4635f3c8
---
 .../android/dialer/calllog/CallLogFramework.java   | 38 +++++++++++++++++++---
 1 file changed, 34 insertions(+), 4 deletions(-)

(limited to 'java/com/android/dialer/calllog/CallLogFramework.java')

diff --git a/java/com/android/dialer/calllog/CallLogFramework.java b/java/com/android/dialer/calllog/CallLogFramework.java
index 61535e606..365e4d7c0 100644
--- a/java/com/android/dialer/calllog/CallLogFramework.java
+++ b/java/com/android/dialer/calllog/CallLogFramework.java
@@ -21,6 +21,12 @@ import com.android.dialer.calllog.datasources.CallLogDataSource;
 import com.android.dialer.calllog.datasources.DataSources;
 import com.android.dialer.common.LogUtil;
 import com.android.dialer.configprovider.ConfigProviderBindings;
+import com.android.dialer.inject.ApplicationContext;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.ArrayList;
+import java.util.List;
 import javax.inject.Inject;
 import javax.inject.Singleton;
 
@@ -32,21 +38,23 @@ import javax.inject.Singleton;
 @Singleton
 public final class CallLogFramework {
 
+  private final Context appContext;
   private final DataSources dataSources;
 
   @Inject
-  CallLogFramework(DataSources dataSources) {
+  CallLogFramework(@ApplicationContext Context appContext, DataSources dataSources) {
+    this.appContext = appContext;
     this.dataSources = dataSources;
   }
 
   /** Performs necessary setup work when the application is created. */
-  public void onApplicationCreate(Context appContext) {
-    registerContentObservers(appContext);
+  public void onApplicationCreate() {
+    registerContentObservers();
     CallLogConfig.schedulePollingJob(appContext);
   }
 
   /** Registers the content observers for all data sources. */
-  public void registerContentObservers(Context appContext) {
+  public void registerContentObservers() {
     LogUtil.enterBlock("CallLogFramework.registerContentObservers");
 
     // This is the same condition used in MainImpl#isNewUiEnabled. It means that bugfood/debug
@@ -61,4 +69,26 @@ public final class CallLogFramework {
       LogUtil.i("CallLogFramework.registerContentObservers", "not registering content observers");
     }
   }
+
+  /** Disables the framework. */
+  public ListenableFuture<Void> disable() {
+    LogUtil.enterBlock("CallLogFramework.disable");
+
+    if (!ConfigProviderBindings.get(appContext).getBoolean("is_nui_shortcut_enabled", false)) {
+      LogUtil.i("CallLogFramework.disable", "not disabling");
+      return Futures.immediateFuture(null);
+    }
+
+    for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) {
+      dataSource.unregisterContentObservers(appContext);
+    }
+
+    // Clear data only after all content observers have been disabled.
+    List<ListenableFuture<Void>> allFutures = new ArrayList<>();
+    for (CallLogDataSource dataSource : dataSources.getDataSourcesIncludingSystemCallLog()) {
+      allFutures.add(dataSource.clearData());
+    }
+    return Futures.transform(
+        Futures.allAsList(allFutures), unused -> null, MoreExecutors.directExecutor());
+  }
 }
-- 
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