chrome/browser/apps/app_shim/app_shim_host_manager_mac.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_
   6 #define CHROME_BROWSER_APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "chrome/browser/apps/app_shim/unix_domain_socket_acceptor.h"
  10 #include "content/public/browser/browser_thread.h"
  11
  12 namespace apps {
  13 class ExtensionAppShimHandler;
  14 }
  15
  16 namespace base {
  17 class FilePath;
  18 }
  19
  20 namespace test {
  21 class AppShimHostManagerTestApi;
  22 }
  23
  24 // The AppShimHostManager receives connections from app shims on a UNIX
  25 // socket (|acceptor_|) and creates a helper object to manage the connection.
  26 class AppShimHostManager : public apps::UnixDomainSocketAcceptor::Delegate,
  27                            public base::RefCountedThreadSafe<
  28                                AppShimHostManager,
  29                                content::BrowserThread::DeleteOnUIThread> {
  30  public:
  31   AppShimHostManager();
  32
  33   // Init passes this AppShimHostManager to PostTask which requires it to have
  34   // a non-zero refcount. Therefore, Init cannot be called in the constructor
  35   // since the refcount is zero at that point.
  36   void Init();
  37
  38   apps::ExtensionAppShimHandler* extension_app_shim_handler() {
  39     return extension_app_shim_handler_.get();
  40   }
  41
  42  private:
  43   friend class base::RefCountedThreadSafe<AppShimHostManager>;
  44   friend struct content::BrowserThread::DeleteOnThread<
  45       content::BrowserThread::UI>;
  46   friend class base::DeleteHelper<AppShimHostManager>;
  47   friend class test::AppShimHostManagerTestApi;
  48   virtual ~AppShimHostManager();
  49
  50   // UnixDomainSocketAcceptor::Delegate implementation.
  51   void OnClientConnected(const IPC::ChannelHandle& handle) override;
  52   void OnListenError() override;
  53
  54   // The |acceptor_| must be created on a thread which allows blocking I/O, so
  55   // part of the initialization of this class must be carried out on the file
  56   // thread.
  57   void InitOnFileThread();
  58
  59   // Called on the IO thread to begin listening for connections from app shims.
  60   void ListenOnIOThread();
  61
  62   base::FilePath directory_in_tmp_;
  63
  64   scoped_ptr<apps::UnixDomainSocketAcceptor> acceptor_;
  65
  66   scoped_ptr<apps::ExtensionAppShimHandler> extension_app_shim_handler_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(AppShimHostManager);
  69 };
  70
  71 #endif  // CHROME_BROWSER_APPS_APP_SHIM_APP_SHIM_HOST_MANAGER_MAC_H_