[Payments] Cache payment manifests.

components/payments/android/payment_manifest_web_data_service.cc

Index: components/payments/android/payment_manifest_web_data_service.cc
diff --git a/components/payments/android/payment_manifest_web_data_service.cc b/components/payments/android/payment_manifest_web_data_service.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3646ab5f0712b8e0b66b471837092a04722db79e
--- /dev/null
+++ b/components/payments/android/payment_manifest_web_data_service.cc
@@ -0,0 +1,103 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/payments/android/payment_manifest_web_data_service.h"
+
+#include "base/bind.h"
+#include "base/location.h"
+
+namespace payments {
+
+PaymentManifestWebDataService::PaymentManifestWebDataService(
+    scoped_refptr<WebDatabaseService> wdbs,
+    const ProfileErrorCallback& callback,
+    const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread)
+    : WebDataServiceBase(wdbs, callback, ui_thread) {}
+
+PaymentManifestWebDataService::~PaymentManifestWebDataService() {}
+
+void PaymentManifestWebDataService::AddPaymentWebAppManifest(
+    std::vector<mojom::WebAppManifestSectionPtr> manifest) {
+  wdbs_->ScheduleDBTask(
+      FROM_HERE,
+      base::Bind(&PaymentManifestWebDataService::AddPaymentWebAppManifestImpl,
+                 this, std::move(manifest)));
+}
+
+WebDatabase::State PaymentManifestWebDataService::AddPaymentWebAppManifestImpl(
+    const std::vector<mojom::WebAppManifestSectionPtr>& manifest,
+    WebDatabase* db) {
+  if (WebAppManifestSectionTable::FromWebDatabase(db)->AddWebAppManifest(
+          manifest)) {
+    return WebDatabase::COMMIT_NEEDED;
+  }
+
+  return WebDatabase::COMMIT_NOT_NEEDED;
+}
+
+void PaymentManifestWebDataService::AddPaymentMethodManifest(
+    const std::string& payment_method,
+    std::vector<std::string> app_package_names) {
+  wdbs_->ScheduleDBTask(
+      FROM_HERE,
+      base::Bind(&PaymentManifestWebDataService::AddPaymentMethodManifestImpl,
+                 this, payment_method, std::move(app_package_names)));
+}
+
+WebDatabase::State PaymentManifestWebDataService::AddPaymentMethodManifestImpl(
+    const std::string& payment_method,
+    const std::vector<std::string>& app_package_names,
+    WebDatabase* db) {
+  if (PaymentMethodManifestTable::FromWebDatabase(db)->AddManifest(
+          payment_method, app_package_names)) {
+    return WebDatabase::COMMIT_NEEDED;
+  }
+
+  return WebDatabase::COMMIT_NOT_NEEDED;
+}
+
+WebDataServiceBase::Handle
+PaymentManifestWebDataService::GetPaymentWebAppManifest(
+    const std::string& web_app,
+    WebDataServiceConsumer* consumer) {
+  return wdbs_->ScheduleDBTaskWithResult(
+      FROM_HERE,
+      base::Bind(&PaymentManifestWebDataService::GetPaymentWebAppManifestImpl,
+                 this, web_app),
+      consumer);
+}
+
+std::unique_ptr<WDTypedResult>
+PaymentManifestWebDataService::GetPaymentWebAppManifestImpl(
+    const std::string& web_app,
+    WebDatabase* db) {
+  return base::MakeUnique<
+      WDResult<std::vector<mojom::WebAppManifestSectionPtr>>>(
+      PAYMENT_WEB_APP_MANIFEST,
+      WebAppManifestSectionTable::FromWebDatabase(db)->GetWebAppManifest(
+          web_app));
+}
+
+WebDataServiceBase::Handle
+PaymentManifestWebDataService::GetPaymentMethodManifest(
+    const std::string& payment_method,
+    WebDataServiceConsumer* consumer) {
+  return wdbs_->ScheduleDBTaskWithResult(
+      FROM_HERE,
+      base::Bind(&PaymentManifestWebDataService::GetPaymentMethodManifestImpl,
+                 this, payment_method),
+      consumer);
+}
+
+std::unique_ptr<WDTypedResult>
+PaymentManifestWebDataService::GetPaymentMethodManifestImpl(
+    const std::string& payment_method,
+    WebDatabase* db) {
+  return base::MakeUnique<WDResult<std::vector<std::string>>>(
+      PAYMENT_METHOD_MANIFEST,
+      PaymentMethodManifestTable::FromWebDatabase(db)->GetManifest(
+          payment_method));
+}
+
+}  // namespace payments