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