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Unified Diff: content/browser/vr/vr_service_consumer.cc

Issue 829803003: Adding Chrome-side WebVR interface (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Addressed the rest of sievers@ input Created 5 years, 9 months ago
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Index: content/browser/vr/vr_service_consumer.cc
diff --git a/content/browser/vr/vr_service_consumer.cc b/content/browser/vr/vr_service_consumer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..42ae4fe0f07a83191c9d5852eb9c2b9913f17210
--- /dev/null
+++ b/content/browser/vr/vr_service_consumer.cc
@@ -0,0 +1,38 @@
+// Copyright 2015 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/vr/vr_service_consumer.h"
+
+#include "content/browser/vr/vr_service.h"
+
+namespace content {
+
+VRServiceConsumer::VRServiceConsumer() :
+ service_(NULL),
+ registered_with_service_(false) {
+}
+
+VRServiceConsumer::VRServiceConsumer(VRService* service) :
+ service_(service),
+ registered_with_service_(false) {
+}
+
+VRServiceConsumer::~VRServiceConsumer() {
+ if (registered_with_service_) {
+ service_->RemoveConsumer(this);
+ }
+}
+
+VRService* VRServiceConsumer::GetServiceInstance() {
+ if (!registered_with_service_) {
+ if (!service_) {
+ service_ = VRService::GetInstance();
+ }
+ service_->AddConsumer(this);
+ registered_with_service_ = true;
+ }
+ return service_;
+}
+
+} // namespace content

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