PaymentApp: Factor out functions to serialize/deserialize manifest data.

content/browser/payments/payment_app_context_impl.cc

+// Copyright 2016 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 "content/browser/payments/payment_app_context_impl.h"
+
+#include <utility>
+
+#include "base/bind.h"
+#include "base/memory/ptr_util.h"
+#include "base/stl_util.h"
+#include "content/browser/payments/payment_app_data_conversions.h"
+#include "content/browser/payments/payment_app_manager.h"
+#include "content/browser/service_worker/service_worker_context_wrapper.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace content {
+
+PaymentAppContextImpl::PaymentAppContextImpl(
+    scoped_refptr<ServiceWorkerContextWrapper> service_worker_context)
+    : service_worker_context_(std::move(service_worker_context)),
+      weak_ptr_factory_(this) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+}
+
+PaymentAppContextImpl::~PaymentAppContextImpl() {
+  DCHECK(services_.empty());
+}
+
+void PaymentAppContextImpl::Shutdown() {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&PaymentAppContextImpl::ShutdownOnIO, this));
+}
+
+void PaymentAppContextImpl::CreateService(
+    mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&PaymentAppContextImpl::CreateServiceOnIOThread, this,
+                 base::Passed(&request)));
+}
+
+void PaymentAppContextImpl::ServiceHadConnectionError(
+    PaymentAppManager* service) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  DCHECK(base::ContainsKey(services_, service));
+
+  services_.erase(service);
+}
+
+ServiceWorkerContextWrapper* PaymentAppContextImpl::service_worker_context()
+    const {
+  return service_worker_context_.get();
+}
+
+void PaymentAppContextImpl::GetAllManifests(
+    const GetAllManifestsCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  BrowserThread::PostTask(
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(&PaymentAppContextImpl::GetAllManifestsOnIO, this, callback));
+}
+
+void PaymentAppContextImpl::GetAllManifestsOnIO(const GetAllManifestsCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  service_worker_context_->GetUserDataForAllRegistrations("PaymentAppManifestData", base::Bind(&PaymentAppContextImpl::DidGetAllManifests, this, callback));
+}
+
+void PaymentAppContextImpl::DidGetAllManifests(
+    const GetAllManifestsCallback& callback,
+    const std::vector<std::pair<int64_t, std::string>>& raw_data,
+    ServiceWorkerStatusCode status) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  std::vector<PaymentAppContext::PaymentAppManifestWithID> manifests;
+  for (auto& payment_app_raw_data : raw_data) {
+    payments::mojom::PaymentAppManifestPtr manifest = 
+        payments::mojom::PaymentAppManifest::New();
+    if (!DeserializePaymentAppManifest(payment_app_raw_data.second, manifest)) {
+      continue;
+    }
+    manifests.push_back(PaymentAppContext::PaymentAppManifestWithID(payment_app_raw_data.first, std::move(manifest)));
+  }
+
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(&PaymentAppContextImpl::GetAll, this, callback));
+}
+
+void PaymentAppContextImpl::GetAll(
+    const GetAllManifestsCallback& callback) {
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+}
+
+void PaymentAppContextImpl::CreateServiceOnIOThread(
+    mojo::InterfaceRequest<payments::mojom::PaymentAppManager> request) {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  PaymentAppManager* service = new PaymentAppManager(this, std::move(request));
+  services_[service] = base::WrapUnique(service);
+}
+
+void PaymentAppContextImpl::ShutdownOnIO() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+
+  services_.clear();
+}
+
+}  // namespace content