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// Copyright (c) 2011 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.
//
// The AllStatus object watches various sync engine components and aggregates
// the status of all of them into one place.
#ifndef CHROME_BROWSER_SYNC_ENGINE_ALL_STATUS_H_
#define CHROME_BROWSER_SYNC_ENGINE_ALL_STATUS_H_
#pragma once
#include <map>
#include "base/memory/scoped_ptr.h"
#include "base/synchronization/lock.h"
#include "chrome/browser/sync/engine/syncapi.h"
#include "chrome/browser/sync/engine/syncer_types.h"
namespace browser_sync {
class ScopedStatusLock;
class ServerConnectionManager;
class Syncer;
class SyncerThread;
struct AuthWatcherEvent;
struct ServerConnectionEvent;
class AllStatus : public SyncEngineEventListener {
friend class ScopedStatusLock;
public:
AllStatus();
~AllStatus();
void HandleServerConnectionEvent(const ServerConnectionEvent& event);
void HandleAuthWatcherEvent(const AuthWatcherEvent& event);
virtual void OnSyncEngineEvent(const SyncEngineEvent& event);
sync_api::SyncManager::Status status() const;
void SetNotificationsEnabled(bool notifications_enabled);
void IncrementNotifiableCommits();
void IncrementNotificationsReceived();
protected:
// Examines syncer to calculate syncing and the unsynced count,
// and returns a Status with new values.
sync_api::SyncManager::Status CalcSyncing(const SyncEngineEvent& event) const;
sync_api::SyncManager::Status CreateBlankStatus() const;
// Examines status to see what has changed, updates old_status in place.
void CalcStatusChanges();
sync_api::SyncManager::Status status_;
mutable base::Lock mutex_; // Protects all data members.
DISALLOW_COPY_AND_ASSIGN(AllStatus);
};
class ScopedStatusLock {
public:
explicit ScopedStatusLock(AllStatus* allstatus);
~ScopedStatusLock();
protected:
AllStatus* allstatus_;
};
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_ENGINE_ALL_STATUS_H_
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