upload android base code part6

android/system/update_engine/client_library/client_dbus.h

@@ -0,0 +1,109 @@
+//
+// 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/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 GetStatus(int64_t* out_last_checked_time,
+                 double* out_progress,
+                 UpdateStatus* out_update_status,
+                 std::string* out_new_version,
+                 int64_t* out_new_size) 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;
+
+  bool GetEolStatus(int32_t* eol_status) 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(int64_t last_checked_time,
+                               double progress,
+                               const std::string& current_operation,
+                               const std::string& new_version,
+                               int64_t new_size);
+
+  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_