[mac] App shims

chrome/browser/web_applications/app_shim_host_controller.h

+// Copyright 2013 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.
+
+#ifndef CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_CONTROLLER_H_
+#define CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_CONTROLLER_H_
+
+#include "base/mac/scoped_cftyperef.h"
+#include "base/memory/weak_ptr.h"
+#include "base/threading/thread.h"
+#include "ipc/ipc_channel_factory.h"
+
+// The AppShimHostController receives connections from app shims on a UNIX
+// socket (|factory_|) and creates a helper object to manage the connection.
+class AppShimHostController
+    : public IPC::ChannelFactory::Delegate,
+      public base::SupportsWeakPtr<AppShimHostController> {
+ public:
+  AppShimHostController();
+  virtual ~AppShimHostController();
+
+ private:
+  // IPC::ChannelFactory::Delegate implementation.
+  virtual void OnClientConnected(const IPC::ChannelHandle& handle) OVERRIDE;
+  virtual void OnListenError() OVERRIDE;
+
+  // The |factory_| must be created on a thread which allows blocking I/O, so
+  // part of the initialization of this class must be carried out on the file
+  // thread.
+  void InitOnFileThread();
+
+  // Once the |factory_| has been created, its messages should be received on
+  // the IO thread.

[jeremy, 2013/03/11 09:32:04]

nit: How about adding something like "Called on the IO thread to listen for
messages?"

[jeremya, 2013/03/12 03:45:36]

Done.

+  void ListenOnIO();
+
+  IPC::ChannelFactory* factory_;
+};
+
+#endif  // CHROME_BROWSER_WEB_APPLICATIONS_APP_SHIM_HOST_CONTROLLER_H_