apps/app_shim/app_shim_handler_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 APPS_APP_SHIM_APP_SHIM_HANDLER_MAC_H_
   6 #define APPS_APP_SHIM_APP_SHIM_HANDLER_MAC_H_
   7
   8 #include <string>
   9
  10 namespace apps {
  11
  12 // Registrar, and interface for services that can handle interactions with OSX
  13 // shim processes.
  14 class AppShimHandler {
  15  public:
  16   class Host {
  17    public:
  18     // Invoked when the app is closed in the browser process.
  19     virtual void OnAppClosed() = 0;
  20
  21    protected:
  22     virtual ~Host() {}
  23   };
  24
  25   // Register a handler for an |app_mode_id|.
  26   static void RegisterHandler(const std::string& app_mode_id,
  27                               AppShimHandler* handler);
  28
  29   // Remove a handler for an |app_mode_id|.
  30   static void RemoveHandler(const std::string& app_mode_id);
  31
  32   // Returns the handler registered for the given |app_mode_id|, or NULL if none
  33   // is registered.
  34   static AppShimHandler* GetForAppMode(const std::string& app_mode_id);
  35
  36   // Invoked by the shim host when the shim process is launched. The handler
  37   // must return true if successful, or false to indicate back to the shim
  38   // process that it should close.
  39   virtual bool OnShimLaunch(Host* host) = 0;
  40
  41   // Invoked by the shim host when the connection to the shim process is closed.
  42   virtual void OnShimClose(Host* host) = 0;
  43
  44   // Invoked by the shim host when the shim process receives a focus event.
  45   virtual void OnShimFocus(Host* host) = 0;
  46
  47  protected:
  48   AppShimHandler() {}
  49   virtual ~AppShimHandler() {}
  50 };
  51
  52 }  // namespace apps
  53
  54 #endif  // APPS_APP_SHIM_APP_SHIM_HANDLER_MAC_H_