Pass Physical Web metadata through a struct

chrome/browser/android/physical_web/physical_web_data_source_android.cc

Index: chrome/browser/android/physical_web/physical_web_data_source_android.cc
diff --git a/chrome/browser/android/physical_web/physical_web_data_source_android.cc b/chrome/browser/android/physical_web/physical_web_data_source_android.cc
index 9e86f43a6cfe9c3d40ca2e22e7bec89e3b7159aa..315818424ae75f4c339e8442723e7684d2e6cab9 100644
--- a/chrome/browser/android/physical_web/physical_web_data_source_android.cc
+++ b/chrome/browser/android/physical_web/physical_web_data_source_android.cc
@@ -19,7 +19,8 @@ using base::android::JavaParamRef;
 using base::android::ScopedJavaLocalRef;
 
 PhysicalWebCollection::PhysicalWebCollection()
-    : metadata_list_(base::MakeUnique<base::ListValue>()),
+    : dictionary_value_list_(base::MakeUnique<base::ListValue>()),
+      metadata_list_(base::MakeUnique<physical_web::MetadataList>()),
       accessed_once_(false) {}
 
 PhysicalWebCollection::~PhysicalWebCollection() {}
@@ -29,37 +30,56 @@ void PhysicalWebCollection::AppendMetadataItem(
     const JavaParamRef<jobject>& obj,
     const JavaParamRef<jstring>& j_request_url,
     jdouble distance_estimate,
-    jint scan_timestamp,
+    jlong scan_timestamp,
     const JavaParamRef<jstring>& j_site_url,
     const JavaParamRef<jstring>& j_icon_url,
     const JavaParamRef<jstring>& j_title,
     const JavaParamRef<jstring>& j_description,
     const JavaParamRef<jstring>& j_group_id) {
-  auto metadata_item = new base::DictionaryValue();
-  metadata_item->SetString(physical_web::kScannedUrlKey,
+  // Create a DictionaryValue.  Notice that we no longer set the timestamp
+  // since it is a long and the DictionaryValue can only store ints.
+  auto dictionary_value = base::MakeUnique<base::DictionaryValue>();
+  dictionary_value->SetString(physical_web::kScannedUrlKey,
                            ConvertJavaStringToUTF8(j_request_url));
-  metadata_item->SetDouble(physical_web::kDistanceEstimateKey,
+  dictionary_value->SetDouble(physical_web::kDistanceEstimateKey,
                            distance_estimate);
-  metadata_item->SetInteger(physical_web::kScanTimestampKey, scan_timestamp);
-  metadata_item->SetString(physical_web::kResolvedUrlKey,
+  dictionary_value->SetString(physical_web::kResolvedUrlKey,
                            ConvertJavaStringToUTF8(j_site_url));
-  metadata_item->SetString(physical_web::kIconUrlKey,
+  dictionary_value->SetString(physical_web::kIconUrlKey,
                            ConvertJavaStringToUTF8(j_icon_url));
-  metadata_item->SetString(physical_web::kTitleKey,
+  dictionary_value->SetString(physical_web::kTitleKey,
                            ConvertJavaStringToUTF8(j_title));
-  metadata_item->SetString(physical_web::kDescriptionKey,
+  dictionary_value->SetString(physical_web::kDescriptionKey,
                            ConvertJavaStringToUTF8(j_description));
-  metadata_item->SetString(physical_web::kGroupIdKey,
+  dictionary_value->SetString(physical_web::kGroupIdKey,
                            ConvertJavaStringToUTF8(j_group_id));
-  metadata_list_->Append(std::move(metadata_item));
+  dictionary_value_list_->Append(std::move(dictionary_value));
+
+  physical_web::Metadata metadata;
+  metadata.scanned_url = GURL(ConvertJavaStringToUTF8(j_request_url));
+  metadata.resolved_url = GURL(ConvertJavaStringToUTF8(j_site_url));
+  metadata.icon_url = GURL(ConvertJavaStringToUTF8(j_icon_url));
+  metadata.title = ConvertJavaStringToUTF8(j_title);
+  metadata.description = ConvertJavaStringToUTF8(j_description);
+  metadata.group_id = ConvertJavaStringToUTF8(j_group_id);
+  metadata.distance_estimate = distance_estimate;
+  metadata.scan_timestamp = base::Time::FromJavaTime(scan_timestamp);
+  metadata_list_->push_back(std::move(metadata));
 }
 
-std::unique_ptr<base::ListValue> PhysicalWebCollection::GetMetadataList() {
+std::unique_ptr<physical_web::MetadataList>
+    PhysicalWebCollection::GetMetadataList() {
   DCHECK(!accessed_once_);
   accessed_once_ = true;
   return std::move(metadata_list_);
 }
 
+std::unique_ptr<base::ListValue> PhysicalWebCollection::GetMetadata() {
+  DCHECK(!accessed_once_);
+  accessed_once_ = true;
+  return std::move(dictionary_value_list_);
+}
+
 PhysicalWebDataSourceAndroid::PhysicalWebDataSourceAndroid() {
   Initialize();
 }
@@ -85,16 +105,28 @@ void PhysicalWebDataSourceAndroid::StopDiscovery() {
   NOTREACHED();
 }
 
-std::unique_ptr<base::ListValue> PhysicalWebDataSourceAndroid::GetMetadata() {
+std::unique_ptr<physical_web::MetadataList>
+    PhysicalWebDataSourceAndroid::GetMetadataList() {
   JNIEnv* env = AttachCurrentThread();
 
   auto pw_collection = base::MakeUnique<PhysicalWebCollection>();
   Java_UrlManager_getPwCollection(env, url_manager_.obj(),
-                                  (long)pw_collection.get());
+                                  reinterpret_cast<long>(pw_collection.get()));
 
   return pw_collection->GetMetadataList();
 }
 
+std::unique_ptr<base::ListValue>
+    PhysicalWebDataSourceAndroid::GetMetadata() {
+  JNIEnv* env = AttachCurrentThread();
+
+  auto pw_collection = base::MakeUnique<PhysicalWebCollection>();
+  Java_UrlManager_getPwCollection(env, url_manager_.obj(),
+                                  reinterpret_cast<long>(pw_collection.get()));
+
+  return pw_collection->GetMetadata();
+}
+
 bool PhysicalWebDataSourceAndroid::HasUnresolvedDiscoveries() {
   NOTIMPLEMENTED();
   return false;