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Unified Diff: content/child/service_worker/service_worker_network_provider.cc

Issue 183993004: Tease apart ServiceWorkerNetworkProvider from other stuff. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 10 months ago
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Index: content/child/service_worker/service_worker_network_provider.cc
diff --git a/content/child/service_worker/service_worker_network_provider.cc b/content/child/service_worker/service_worker_network_provider.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8e45a8d0c1ae00c01b8c8b98155b081c1c945dc1
--- /dev/null
+++ b/content/child/service_worker/service_worker_network_provider.cc
@@ -0,0 +1,51 @@
+// Copyright 2014 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/child/service_worker/service_worker_network_provider.h"
+
+#include "base/atomic_sequence_num.h"
+#include "content/child/thread_safe_sender.h"
+#include "content/common/service_worker/service_worker_messages.h"
+
+namespace content {
+
+namespace {
+
+const char kUserDataKey[] = "SWProviderKey";
+
+// Must be unique in the child process.
+int GetNextProviderId() {
+ static base::StaticAtomicSequenceNumber sequence;
+ return sequence.GetNext() + 1; // We want to start at 1.
+}
+
+} // namespace
+
+void ServiceWorkerNetworkProvider::AttachToDocumentState(
+ base::SupportsUserData* datasource_userdata,
+ scoped_ptr<ServiceWorkerNetworkProvider> network_provider) {
michaeln 2014/02/28 02:04:03 could use some DCHECKS about datasource_userdata n
+ datasource_userdata->SetUserData(&kUserDataKey, network_provider.release());
+}
+
+ServiceWorkerNetworkProvider* ServiceWorkerNetworkProvider::FromDocumentState(
+ base::SupportsUserData* datasource_userdata) {
+ return static_cast<ServiceWorkerNetworkProvider*>(
+ datasource_userdata->GetUserData(&kUserDataKey));
+}
+
+ServiceWorkerNetworkProvider::ServiceWorkerNetworkProvider(
+ ThreadSafeSender* thread_safe_sender)
+ : provider_id_(GetNextProviderId()),
+ thread_safe_sender_(thread_safe_sender) {
+ thread_safe_sender_->Send(
kinuko 2014/02/28 04:31:00 nit: ChildThread::current()->Send is probably enou
michaeln 2014/02/28 20:48:27 Good point, Done.
+ new ServiceWorkerHostMsg_ProviderCreated(provider_id_));
+}
+
+ServiceWorkerNetworkProvider::~ServiceWorkerNetworkProvider() {
+ thread_safe_sender_->Send(
+ new ServiceWorkerHostMsg_ProviderDestroyed(provider_id_));
+}
+
+
+} // namespace content

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