Index: device/vr/android/gvr/gvr_delegate.cc |
diff --git a/device/vr/android/gvr/gvr_delegate.cc b/device/vr/android/gvr/gvr_delegate.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d3ef0ba160b281e06c068b90e8e42b7561912911 |
--- /dev/null |
+++ b/device/vr/android/gvr/gvr_delegate.cc |
@@ -0,0 +1,52 @@ |
+// 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 "device/vr/android/gvr/gvr_delegate.h" |
+ |
+#include "base/logging.h" |
+#include "base/memory/singleton.h" |
+ |
+namespace device { |
+ |
+GvrDelegateManager* GvrDelegateManager::GetInstance() { |
+ return base::Singleton<GvrDelegateManager>::get(); |
+} |
+ |
+GvrDelegateManager::GvrDelegateManager() : delegate_(nullptr) {} |
+ |
+GvrDelegateManager::~GvrDelegateManager() {} |
+ |
+void GvrDelegateManager::AddClient(GvrDelegateClient* client) { |
+ clients_.push_back(client); |
+ |
+ if (delegate_) |
+ client->OnDelegateInitialized(delegate_); |
+} |
+ |
+void GvrDelegateManager::RemoveClient(GvrDelegateClient* client) { |
+ clients_.erase(std::remove(clients_.begin(), clients_.end(), client), |
+ clients_.end()); |
+} |
+ |
+void GvrDelegateManager::Initialize(GvrDelegate* delegate) { |
+ // Don't initialize the delegate manager twice. |
+ DCHECK(!delegate_); |
+ |
+ delegate_ = delegate; |
+ |
+ for (const auto& client : clients_) |
+ client->OnDelegateInitialized(delegate_); |
+} |
+ |
+void GvrDelegateManager::Shutdown() { |
+ if (!delegate_) |
+ return; |
+ |
+ delegate_ = nullptr; |
+ |
+ for (const auto& client : clients_) |
+ client->OnDelegateShutdown(); |
+} |
+ |
+} // namespace device |