device/battery/battery_monitor_impl.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
   6 #define DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "device/battery/battery_export.h"
  10 #include "device/battery/battery_monitor.mojom.h"
  11 #include "device/battery/battery_status_service.h"
  12 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
  13
  14 namespace device {
  15
  16 class BatteryMonitorImpl : public BatteryMonitor {
  17  public:
  18   DEVICE_BATTERY_EXPORT static void Create(
  19       mojo::InterfaceRequest<BatteryMonitor> request);
  20
  21  private:
  22   typedef mojo::Callback<void(BatteryStatusPtr)> BatteryStatusCallback;
  23
  24   explicit BatteryMonitorImpl(mojo::InterfaceRequest<BatteryMonitor> request);
  25   ~BatteryMonitorImpl() override;
  26
  27   // BatteryMonitor methods:
  28   void QueryNextStatus(const BatteryStatusCallback& callback) override;
  29
  30   void RegisterSubscription();
  31   void DidChange(const BatteryStatus& battery_status);
  32   void ReportStatus();
  33
  34   mojo::StrongBinding<BatteryMonitor> binding_;
  35   scoped_ptr<BatteryStatusService::BatteryUpdateSubscription> subscription_;
  36   BatteryStatusCallback callback_;
  37   BatteryStatus status_;
  38   bool status_to_report_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(BatteryMonitorImpl);
  41 };
  42
  43 }  // namespace device
  44
  45 #endif  // DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_