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// 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 APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_
#define APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_
#include "apps/app_shim/extension_app_shim_handler_mac.h"
#include "base/memory/ref_counted.h"
#include "content/public/browser/browser_thread.h"
#include "ipc/ipc_channel_factory.h"
namespace base {
class FilePath;
}
namespace test {
class AppShimHostManagerTestApi;
}
// The AppShimHostManager receives connections from app shims on a UNIX
// socket (|factory_|) and creates a helper object to manage the connection.
class AppShimHostManager
: public IPC::ChannelFactory::Delegate,
public base::RefCountedThreadSafe<
AppShimHostManager, content::BrowserThread::DeleteOnUIThread> {
public:
AppShimHostManager();
// Init passes this AppShimHostManager to PostTask which requires it to have
// a non-zero refcount. Therefore, Init cannot be called in the constructor
// since the refcount is zero at that point.
void Init();
apps::ExtensionAppShimHandler* extension_app_shim_handler() {
return &extension_app_shim_handler_;
}
private:
friend class base::RefCountedThreadSafe<AppShimHostManager>;
friend struct content::BrowserThread::DeleteOnThread<
content::BrowserThread::UI>;
friend class base::DeleteHelper<AppShimHostManager>;
friend class test::AppShimHostManagerTestApi;
virtual ~AppShimHostManager();
// 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();
// Called on the IO thread to begin listening for connections from app shims.
void ListenOnIOThread();
// The AppShimHostManager is only initialized if the Chrome process
// successfully took the singleton lock. This prevents subsequent processes
// from deleting existing app shim socket files.
bool did_init_;
base::FilePath directory_in_tmp_;
scoped_ptr<IPC::ChannelFactory> factory_;
apps::ExtensionAppShimHandler extension_app_shim_handler_;
DISALLOW_COPY_AND_ASSIGN(AppShimHostManager);
};
#endif // APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_
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