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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_INVALIDATION_HANDLER_H_
#define CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_INVALIDATION_HANDLER_H_
#include <map>
#include <set>
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/threading/thread_checker.h"
#include "chrome/browser/extensions/api/push_messaging/push_messaging_invalidation_mapper.h"
#include "components/invalidation/invalidation_handler.h"
#include "components/invalidation/invalidation_util.h"
namespace invalidation {
class InvalidationService;
}
namespace extensions {
class PushMessagingInvalidationHandlerDelegate;
// This class maps extension IDs to the corresponding object IDs, manages
// invalidation registrations, and dispatches callbacks for any invalidations
// received.
class PushMessagingInvalidationHandler : public PushMessagingInvalidationMapper,
public syncer::InvalidationHandler {
public:
// |service| and |delegate| must remain valid for the lifetime of this object.
// |extension_ids| is the set of extension IDs for which push messaging is
// enabled.
PushMessagingInvalidationHandler(
invalidation::InvalidationService* service,
PushMessagingInvalidationHandlerDelegate* delegate);
~PushMessagingInvalidationHandler() override;
// PushMessagingInvalidationMapper implementation.
void SuppressInitialInvalidationsForExtension(
const std::string& extension_id) override;
void RegisterExtension(const std::string& extension_id) override;
void UnregisterExtension(const std::string& extension_id) override;
// InvalidationHandler implementation.
void OnInvalidatorStateChange(syncer::InvalidatorState state) override;
void OnIncomingInvalidation(
const syncer::ObjectIdInvalidationMap& invalidation_map) override;
std::string GetOwnerName() const override;
const std::set<std::string>& GetRegisteredExtensionsForTest() const {
return registered_extensions_;
}
private:
void UpdateRegistrations();
base::ThreadChecker thread_checker_;
invalidation::InvalidationService* const service_;
std::set<std::string> registered_extensions_;
syncer::ObjectIdSet suppressed_ids_;
PushMessagingInvalidationHandlerDelegate* const delegate_;
std::map<invalidation::ObjectId,
int64,
syncer::ObjectIdLessThan> max_object_version_map_;
DISALLOW_COPY_AND_ASSIGN(PushMessagingInvalidationHandler);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_PUSH_MESSAGING_PUSH_MESSAGING_INVALIDATION_HANDLER_H_
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