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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__
#define CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/gtest_prod_util.h"
#include "base/memory/scoped_ptr.h"
#include "base/scoped_observer.h"
#include "chrome/browser/extensions/api/push_messaging/obfuscated_gaia_id_fetcher.h"
#include "chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_handler_delegate.h"
#include "chrome/browser/extensions/chrome_extension_function.h"
#include "chrome/browser/ui/webui/signin/login_ui_service.h"
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/extension_registry_observer.h"
#include "google_apis/gaia/google_service_auth_error.h"
#include "google_apis/gaia/oauth2_token_service.h"
namespace content {
class BrowserContext;
}
namespace extensions {
class ExtensionRegistry;
class PushMessagingInvalidationMapper;
// Observes a single InvalidationHandler and generates onMessage events.
class PushMessagingEventRouter
: public PushMessagingInvalidationHandlerDelegate {
public:
explicit PushMessagingEventRouter(content::BrowserContext* context);
~PushMessagingEventRouter() override;
// For testing purposes.
void TriggerMessageForTest(const std::string& extension_id,
int subchannel,
const std::string& payload);
private:
// InvalidationHandlerDelegate implementation.
void OnMessage(const std::string& extension_id,
int subchannel,
const std::string& payload) override;
content::BrowserContext* const browser_context_;
DISALLOW_COPY_AND_ASSIGN(PushMessagingEventRouter);
};
class PushMessagingGetChannelIdFunction
: public ChromeAsyncExtensionFunction,
public ObfuscatedGaiaIdFetcher::Delegate,
public OAuth2TokenService::Observer,
public OAuth2TokenService::Consumer {
public:
PushMessagingGetChannelIdFunction();
protected:
~PushMessagingGetChannelIdFunction() override;
// ExtensionFunction:
bool RunAsync() override;
DECLARE_EXTENSION_FUNCTION("pushMessaging.getChannelId",
PUSHMESSAGING_GETCHANNELID)
private:
void ReportResult(const std::string& gaia_id,
const std::string& error_message);
void BuildAndSendResult(const std::string& gaia_id,
const std::string& error_message);
// Begin the async fetch of the Gaia ID.
void StartGaiaIdFetch(const std::string& access_token);
// Begin the async fetch of the access token for Gaia ID fetcher.
void StartAccessTokenFetch();
// OAuth2TokenService::Observer implementation.
void OnRefreshTokenAvailable(const std::string& account_id) override;
// OAuth2TokenService::Consumer implementation.
void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
const std::string& access_token,
const base::Time& expiration_time) override;
void OnGetTokenFailure(const OAuth2TokenService::Request* request,
const GoogleServiceAuthError& error) override;
// ObfuscatedGiaiaIdFetcher::Delegate implementation.
void OnObfuscatedGaiaIdFetchSuccess(const std::string& gaia_id) override;
void OnObfuscatedGaiaIdFetchFailure(
const GoogleServiceAuthError& error) override;
scoped_ptr<ObfuscatedGaiaIdFetcher> fetcher_;
bool interactive_;
scoped_ptr<OAuth2TokenService::Request> fetcher_access_token_request_;
DISALLOW_COPY_AND_ASSIGN(PushMessagingGetChannelIdFunction);
};
class PushMessagingAPI : public BrowserContextKeyedAPI,
public ExtensionRegistryObserver {
public:
explicit PushMessagingAPI(content::BrowserContext* context);
~PushMessagingAPI() override;
// Convenience method to get the PushMessagingAPI for a BrowserContext.
static PushMessagingAPI* Get(content::BrowserContext* context);
// KeyedService implementation.
void Shutdown() override;
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<PushMessagingAPI>* GetFactoryInstance();
// For testing purposes.
PushMessagingEventRouter* GetEventRouterForTest() const {
return event_router_.get();
}
PushMessagingInvalidationMapper* GetMapperForTest() const {
return handler_.get();
}
void SetMapperForTest(scoped_ptr<PushMessagingInvalidationMapper> mapper);
private:
friend class BrowserContextKeyedAPIFactory<PushMessagingAPI>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() {
return "PushMessagingAPI";
}
static const bool kServiceIsNULLWhileTesting = true;
// Overridden from ExtensionRegistryObserver.
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) override;
void OnExtensionWillBeInstalled(content::BrowserContext* browser_context,
const Extension* extension,
bool is_update,
bool from_ephemeral,
const std::string& old_name) override;
// Initialize |event_router_| and |handler_|.
bool InitEventRouterAndHandler();
// Created lazily when an app or extension with the push messaging permission
// is loaded.
scoped_ptr<PushMessagingEventRouter> event_router_;
scoped_ptr<PushMessagingInvalidationMapper> handler_;
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
content::BrowserContext* browser_context_;
DISALLOW_COPY_AND_ASSIGN(PushMessagingAPI);
};
template <>
void BrowserContextKeyedAPIFactory<
PushMessagingAPI>::DeclareFactoryDependencies();
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_API_H__
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