chrome/browser/extensions/extension_gcm_app_handler.h

   1 // Copyright 2014 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_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/macros.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/memory/weak_ptr.h"
  14 #include "base/scoped_observer.h"
  15 #include "chrome/browser/services/gcm/gcm_app_handler.h"
  16 #include "content/public/browser/notification_observer.h"
  17 #include "content/public/browser/notification_registrar.h"
  18 #include "extensions/browser/browser_context_keyed_api_factory.h"
  19 #include "extensions/browser/extension_registry_observer.h"
  20 #include "google_apis/gcm/gcm_client.h"
  21
  22 class Profile;
  23
  24 namespace content {
  25 class BrowserContext;
  26 }
  27
  28 namespace gcm {
  29 class GCMProfileService;
  30 }
  31
  32 namespace extensions {
  33
  34 class ExtensionRegistry;
  35 class GcmJsEventRouter;
  36
  37 // Defines the interface to provide handling logic for a given app.
  38 class ExtensionGCMAppHandler : public gcm::GCMAppHandler,
  39                                public BrowserContextKeyedAPI,
  40                                public content::NotificationObserver,
  41                                public ExtensionRegistryObserver {
  42  public:
  43   explicit ExtensionGCMAppHandler(content::BrowserContext* context);
  44   virtual ~ExtensionGCMAppHandler();
  45
  46   // BrowserContextKeyedAPI implementation.
  47   static BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler>*
  48   GetFactoryInstance();
  49
  50   // gcm::GCMAppHandler implementation.
  51   virtual void ShutdownHandler() OVERRIDE;
  52   virtual void OnMessage(
  53       const std::string& app_id,
  54       const gcm::GCMClient::IncomingMessage& message) OVERRIDE;
  55   virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE;
  56   virtual void OnSendError(
  57       const std::string& app_id,
  58       const gcm::GCMClient::SendErrorDetails& send_error_details) OVERRIDE;
  59
  60  protected:
  61   virtual void OnUnregisterCompleted(const std::string& app_id,
  62                                      gcm::GCMClient::Result result);
  63
  64  private:
  65   friend class BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler>;
  66
  67   // content::NotificationObserver implementation.
  68   virtual void Observe(int type,
  69                        const content::NotificationSource& source,
  70                        const content::NotificationDetails& details) OVERRIDE;
  71
  72   // ExtensionRegistryObserver implementation.
  73   virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
  74                                  const Extension* extension) OVERRIDE;
  75   virtual void OnExtensionUnloaded(
  76       content::BrowserContext* browser_context,
  77       const Extension* extension,
  78       UnloadedExtensionInfo::Reason reason) OVERRIDE;
  79
  80   gcm::GCMProfileService* GetGCMProfileService() const;
  81
  82   // BrowserContextKeyedAPI implementation.
  83   static const char* service_name() { return "ExtensionGCMAppHandler"; }
  84   static const bool kServiceIsNULLWhileTesting = true;
  85
  86   Profile* profile_;
  87   content::NotificationRegistrar registrar_;
  88
  89   // Listen to extension load, unloaded notifications.
  90   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
  91       extension_registry_observer_;
  92
  93 #if !defined(OS_ANDROID)
  94   scoped_ptr<extensions::GcmJsEventRouter> js_event_router_;
  95 #endif
  96
  97   base::WeakPtrFactory<ExtensionGCMAppHandler> weak_factory_;
  98
  99   DISALLOW_COPY_AND_ASSIGN(ExtensionGCMAppHandler);
 100 };
 101
 102 }  // namespace extensions
 103
 104 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_