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// Copyright 2014 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 COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
#define COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
#include <map>
#include <string>
#include <vector>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/gcm_driver/gcm_client.h"
#include "components/gcm_driver/gcm_driver.h"
namespace base {
class FilePath;
class SequencedTaskRunner;
}
namespace extensions {
class ExtensionGCMAppHandlerTest;
}
namespace net {
class URLRequestContextGetter;
}
namespace gcm {
class GCMAppHandler;
class GCMClientFactory;
// GCMDriver implementation for desktop and Chrome OS, using GCMClient.
class GCMDriverDesktop : public GCMDriver {
public:
GCMDriverDesktop(
scoped_ptr<GCMClientFactory> gcm_client_factory,
const GCMClient::ChromeBuildInfo& chrome_build_info,
const base::FilePath& store_path,
const scoped_refptr<net::URLRequestContextGetter>& request_context,
const scoped_refptr<base::SequencedTaskRunner>& ui_thread,
const scoped_refptr<base::SequencedTaskRunner>& io_thread,
const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner);
virtual ~GCMDriverDesktop();
// GCMDriver overrides:
virtual void Shutdown() OVERRIDE;
virtual void OnSignedIn() OVERRIDE;
virtual void Purge() OVERRIDE;
virtual void AddAppHandler(const std::string& app_id,
GCMAppHandler* handler) OVERRIDE;
virtual void RemoveAppHandler(const std::string& app_id) OVERRIDE;
virtual void Enable() OVERRIDE;
virtual void Disable() OVERRIDE;
virtual GCMClient* GetGCMClientForTesting() const OVERRIDE;
virtual bool IsStarted() const OVERRIDE;
virtual bool IsConnected() const OVERRIDE;
virtual void GetGCMStatistics(const GetGCMStatisticsCallback& callback,
bool clear_logs) OVERRIDE;
virtual void SetGCMRecording(const GetGCMStatisticsCallback& callback,
bool recording) OVERRIDE;
// GCMDriverDesktop specific implementation.
// Sets a list of accounts with OAuth2 tokens for the next checkin.
// |account_tokens| maps email addresses to OAuth2 access tokens.
// |account_removed| indicates that an account has been removed since the
// last time the callback was called, which triggers an immediate checkin,
// to ensure that association between device and account is removed.
void SetAccountsForCheckin(
const std::map<std::string, std::string>& account_tokens);
protected:
// GCMDriver implementation:
virtual GCMClient::Result EnsureStarted() OVERRIDE;
virtual void RegisterImpl(
const std::string& app_id,
const std::vector<std::string>& sender_ids) OVERRIDE;
virtual void UnregisterImpl(const std::string& app_id) OVERRIDE;
virtual void SendImpl(const std::string& app_id,
const std::string& receiver_id,
const GCMClient::OutgoingMessage& message) OVERRIDE;
private:
class DelayedTaskController;
class IOWorker;
// Stops the GCM service. It can be restarted by calling EnsureStarted again.
void Stop();
// Remove cached data when GCM service is stopped.
void RemoveCachedData();
void DoRegister(const std::string& app_id,
const std::vector<std::string>& sender_ids);
void DoUnregister(const std::string& app_id);
void DoSend(const std::string& app_id,
const std::string& receiver_id,
const GCMClient::OutgoingMessage& message);
// Callbacks posted from IO thread to UI thread.
void MessageReceived(const std::string& app_id,
const GCMClient::IncomingMessage& message);
void MessagesDeleted(const std::string& app_id);
void MessageSendError(const std::string& app_id,
const GCMClient::SendErrorDetails& send_error_details);
void GCMClientReady();
void OnConnected(const net::IPEndPoint& ip_endpoint);
void OnDisconnected();
void GetGCMStatisticsFinished(const GCMClient::GCMStatistics& stats);
// Flag to indicate whether the user is signed in to a GAIA account.
// TODO(jianli): To be removed when sign-in enforcement is dropped.
bool signed_in_;
// Flag to indicate if GCM is started.
bool gcm_started_;
// Flag to indicate if GCM is enabled.
bool gcm_enabled_;
// Flag to indicate the last known state of the GCM client. Because this
// flag lives on the UI thread, while the GCM client lives on the IO thread,
// it may be out of date while connection changes are happening.
bool connected_;
scoped_refptr<base::SequencedTaskRunner> ui_thread_;
scoped_refptr<base::SequencedTaskRunner> io_thread_;
scoped_ptr<DelayedTaskController> delayed_task_controller_;
// For all the work occurring on the IO thread. Must be destroyed on the IO
// thread.
scoped_ptr<IOWorker> io_worker_;
// Callback for GetGCMStatistics.
GetGCMStatisticsCallback request_gcm_statistics_callback_;
// Used to pass a weak pointer to the IO worker.
base::WeakPtrFactory<GCMDriverDesktop> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(GCMDriverDesktop);
};
} // namespace gcm
#endif // COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
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