src/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 "components/gcm_driver/gcm_client.h"
  17 #include "extensions/browser/browser_context_keyed_api_factory.h"
  18 #include "extensions/browser/extension_registry_observer.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   ~ExtensionGCMAppHandler() override;
  43
  44   // BrowserContextKeyedAPI implementation.
  45   static BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler>*
  46   GetFactoryInstance();
  47
  48   // gcm::GCMAppHandler implementation.
  49   void ShutdownHandler() override;
  50   void OnMessage(const std::string& app_id,
  51                  const gcm::GCMClient::IncomingMessage& message) override;
  52   void OnMessagesDeleted(const std::string& app_id) override;
  53   void OnSendError(
  54       const std::string& app_id,
  55       const gcm::GCMClient::SendErrorDetails& send_error_details) override;
  56   void OnSendAcknowledged(const std::string& app_id,
  57                           const std::string& message_id) override;
  58
  59  protected:
  60   // Could be overridden by testing purpose.
  61   virtual void OnUnregisterCompleted(const std::string& app_id,
  62                                      gcm::GCMClient::Result result);
  63   virtual void AddAppHandler(const std::string& app_id);
  64   virtual void RemoveAppHandler(const std::string& app_id);
  65
  66   gcm::GCMDriver* GetGCMDriver() const;
  67
  68 private:
  69   friend class BrowserContextKeyedAPIFactory<ExtensionGCMAppHandler>;
  70
  71   // ExtensionRegistryObserver implementation.
  72   void OnExtensionLoaded(content::BrowserContext* browser_context,
  73                          const Extension* extension) override;
  74   void OnExtensionUnloaded(content::BrowserContext* browser_context,
  75                            const Extension* extension,
  76                            UnloadedExtensionInfo::Reason reason) override;
  77   void OnExtensionUninstalled(content::BrowserContext* browser_context,
  78                               const Extension* extension,
  79                               extensions::UninstallReason reason) override;
  80
  81   void AddDummyAppHandler();
  82   void RemoveDummyAppHandler();
  83
  84   // BrowserContextKeyedAPI implementation.
  85   static const char* service_name() { return "ExtensionGCMAppHandler"; }
  86   static const bool kServiceIsNULLWhileTesting = true;
  87
  88   Profile* profile_;
  89
  90   // Listen to extension load, unloaded notifications.
  91   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
  92       extension_registry_observer_;
  93
  94   scoped_ptr<extensions::GcmJsEventRouter> js_event_router_;
  95
  96   base::WeakPtrFactory<ExtensionGCMAppHandler> weak_factory_;
  97
  98   DISALLOW_COPY_AND_ASSIGN(ExtensionGCMAppHandler);
  99 };
 100
 101 }  // namespace extensions
 102
 103 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_GCM_APP_HANDLER_H_