1 files changed, 69 insertions, 0 deletions
diff --git a/chromium/content/browser/gamepad/gamepad_service.cc b/chromium/content/browser/gamepad/gamepad_service.cc
new file mode 100644
index 00000000000..11a6964b3ab
--- /dev/null
+++ b/chromium/content/browser/gamepad/gamepad_service.cc
@@ -0,0 +1,69 @@
+// Copyright (c) 2012 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/gamepad/gamepad_service.h"
+
+#include "base/bind.h"
+#include "base/logging.h"
+#include "base/memory/singleton.h"
+#include "content/browser/gamepad/gamepad_data_fetcher.h"
+#include "content/browser/gamepad/gamepad_provider.h"
+#include "content/public/browser/render_process_host.h"
+
+namespace content {
+
+GamepadService::GamepadService() : num_readers_(0) {
+}
+
+GamepadService::GamepadService(scoped_ptr<GamepadDataFetcher> fetcher)
+    : num_readers_(0),
+      provider_(new GamepadProvider(fetcher.Pass())) {
+  thread_checker_.DetachFromThread();
+}
+
+GamepadService::~GamepadService() {
+}
+
+GamepadService* GamepadService::GetInstance() {
+  return Singleton<GamepadService,
+                   LeakySingletonTraits<GamepadService> >::get();
+}
+
+void GamepadService::AddConsumer() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  num_readers_++;
+  DCHECK(num_readers_ > 0);
+  if (!provider_)
+    provider_.reset(new GamepadProvider);
+  provider_->Resume();
+}
+
+void GamepadService::RemoveConsumer() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+
+  --num_readers_;
+  DCHECK(num_readers_ >= 0);
+
+  if (num_readers_ == 0)
+    provider_->Pause();
+}
+
+void GamepadService::RegisterForUserGesture(const base::Closure& closure) {
+  DCHECK(num_readers_ > 0);
+  DCHECK(thread_checker_.CalledOnValidThread());
+  provider_->RegisterForUserGesture(closure);
+}
+
+void GamepadService::Terminate() {
+  provider_.reset();
+}
+
+base::SharedMemoryHandle GamepadService::GetSharedMemoryHandleForProcess(
+    base::ProcessHandle handle) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return provider_->GetSharedMemoryHandleForProcess(handle);
+}
+
+}  // namespace content