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//
// Copyright (C) 2015 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_DBUS_H_
#define UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_DBUS_H_
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
#include <base/macros.h>
#include <update_engine/proto_bindings/update_engine.pb.h>
#include "update_engine/client_library/include/update_engine/client.h"
#include "update_engine/dbus-proxies.h"
namespace update_engine {
namespace internal {
class DBusUpdateEngineClient : public UpdateEngineClient {
public:
DBusUpdateEngineClient() = default;
bool Init();
virtual ~DBusUpdateEngineClient() = default;
bool AttemptUpdate(const std::string& app_version,
const std::string& omaha_url,
bool at_user_request) override;
bool AttemptInstall(const std::string& omaha_url,
const std::vector<std::string>& dlc_ids) override;
bool SetDlcActiveValue(bool is_active, const std::string& dlc_id) override;
bool GetStatus(UpdateEngineStatus* out_status) const override;
bool SetCohortHint(const std::string& cohort_hint) override;
bool GetCohortHint(std::string* cohort_hint) const override;
bool SetUpdateOverCellularPermission(bool allowed) override;
bool GetUpdateOverCellularPermission(bool* allowed) const override;
bool SetP2PUpdatePermission(bool enabled) override;
bool GetP2PUpdatePermission(bool* enabled) const override;
bool Rollback(bool powerwash) override;
bool GetRollbackPartition(std::string* rollback_partition) const override;
void RebootIfNeeded() override;
bool GetPrevVersion(std::string* prev_version) const override;
bool ResetStatus() override;
bool SetTargetChannel(const std::string& target_channel,
bool allow_powerwash) override;
bool GetTargetChannel(std::string* out_channel) const override;
bool GetChannel(std::string* out_channel) const override;
bool RegisterStatusUpdateHandler(StatusUpdateHandler* handler) override;
bool UnregisterStatusUpdateHandler(StatusUpdateHandler* handler) override;
bool GetLastAttemptError(int32_t* last_attempt_error) const override;
private:
void DBusStatusHandlersRegistered(const std::string& interface,
const std::string& signal_name,
bool success) const;
// Send an initial event to new StatusUpdateHandlers. If the handler argument
// is not nullptr, only that handler receives the event. Otherwise all
// registered handlers receive the event.
void StatusUpdateHandlersRegistered(StatusUpdateHandler* handler) const;
void RunStatusUpdateHandlers(const StatusResult& status);
std::unique_ptr<org::chromium::UpdateEngineInterfaceProxy> proxy_;
std::vector<update_engine::StatusUpdateHandler*> handlers_;
bool dbus_handler_registered_{false};
DISALLOW_COPY_AND_ASSIGN(DBusUpdateEngineClient);
}; // class DBusUpdateEngineClient
} // namespace internal
} // namespace update_engine
#endif // UPDATE_ENGINE_CLIENT_LIBRARY_CLIENT_DBUS_H_
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