upload android base code part6

android/system/update_engine/daemon_state_android.h

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+//
+// Copyright (C) 2016 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_DAEMON_STATE_ANDROID_H_
+#define UPDATE_ENGINE_DAEMON_STATE_ANDROID_H_
+
+#include <memory>
+#include <set>
+
+#include "update_engine/certificate_checker.h"
+#include "update_engine/common/boot_control_interface.h"
+#include "update_engine/common/hardware_interface.h"
+#include "update_engine/common/prefs_interface.h"
+#include "update_engine/daemon_state_interface.h"
+#include "update_engine/service_delegate_android_interface.h"
+#include "update_engine/service_observer_interface.h"
+#include "update_engine/update_attempter_android.h"
+
+namespace chromeos_update_engine {
+
+class DaemonStateAndroid : public DaemonStateInterface {
+ public:
+  DaemonStateAndroid() = default;
+  ~DaemonStateAndroid() override = default;
+
+  bool Initialize();
+
+  // DaemonStateInterface overrides.
+  bool StartUpdater() override;
+  void AddObserver(ServiceObserverInterface* observer) override;
+  void RemoveObserver(ServiceObserverInterface* observer) override;
+
+  const std::set<ServiceObserverInterface*>& service_observers() override {
+    return service_observers_;
+  }
+
+  // Return a pointer to the service delegate.
+  ServiceDelegateAndroidInterface* service_delegate();
+
+ protected:
+  std::set<ServiceObserverInterface*> service_observers_;
+
+  // Interface for the boot control functions.
+  std::unique_ptr<BootControlInterface> boot_control_;
+
+  // Interface for the hardware functions.
+  std::unique_ptr<HardwareInterface> hardware_;
+
+  // Interface for persisted store.
+  std::unique_ptr<PrefsInterface> prefs_;
+
+  // The main class handling the updates.
+  std::unique_ptr<UpdateAttempterAndroid> update_attempter_;
+
+  // OpenSSLWrapper and CertificateChecker used for checking changes in SSL
+  // certificates.
+  OpenSSLWrapper openssl_wrapper_;
+  std::unique_ptr<CertificateChecker> certificate_checker_;
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // UPDATE_ENGINE_DAEMON_STATE_ANDROID_H_