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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_INVALIDATION_IMPL_PUSH_CLIENT_CHANNEL_H_
#define COMPONENTS_INVALIDATION_IMPL_PUSH_CLIENT_CHANNEL_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "components/invalidation/impl/sync_system_resources.h"
#include "components/invalidation/public/invalidation_export.h"
#include "jingle/notifier/listener/push_client_observer.h"
namespace notifier {
class PushClient;
} // namespace notifier
namespace syncer {
// A PushClientChannel is an implementation of NetworkChannel that
// routes messages through a PushClient.
class INVALIDATION_EXPORT PushClientChannel
: public SyncNetworkChannel,
public NON_EXPORTED_BASE(notifier::PushClientObserver) {
public:
// |push_client| is guaranteed to be destroyed only when this object
// is destroyed.
explicit PushClientChannel(std::unique_ptr<notifier::PushClient> push_client);
~PushClientChannel() override;
// invalidation::NetworkChannel implementation.
void SendMessage(const std::string& message) override;
void RequestDetailedStatus(
base::Callback<void(const base::DictionaryValue&)> callback) override;
// SyncNetworkChannel implementation.
// If not connected, connects with the given credentials. If
// already connected, the next connection attempt will use the given
// credentials.
void UpdateCredentials(const std::string& email,
const std::string& token) override;
int GetInvalidationClientType() override;
// notifier::PushClient::Observer implementation.
void OnNotificationsEnabled() override;
void OnNotificationsDisabled(
notifier::NotificationsDisabledReason reason) override;
void OnIncomingNotification(
const notifier::Notification& notification) override;
const std::string& GetServiceContextForTest() const;
int64_t GetSchedulingHashForTest() const;
static std::string EncodeMessageForTest(const std::string& message,
const std::string& service_context,
int64_t scheduling_hash);
static bool DecodeMessageForTest(const std::string& notification,
std::string* message,
std::string* service_context,
int64_t* scheduling_hash);
private:
static void EncodeMessage(std::string* encoded_message,
const std::string& message,
const std::string& service_context,
int64_t scheduling_hash);
static bool DecodeMessage(const std::string& data,
std::string* message,
std::string* service_context,
int64_t* scheduling_hash);
std::unique_ptr<base::DictionaryValue> CollectDebugData() const;
std::unique_ptr<notifier::PushClient> push_client_;
std::string service_context_;
int64_t scheduling_hash_;
// This count is saved for displaying statatistics.
int sent_messages_count_;
DISALLOW_COPY_AND_ASSIGN(PushClientChannel);
};
} // namespace syncer
#endif // COMPONENTS_INVALIDATION_IMPL_PUSH_CLIENT_CHANNEL_H_
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