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/*
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.
*/
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Microsoft.Phone.Info;
namespace WPCordovaClassLib.Cordova.Commands
{
/// <summary>
/// Listens for changes to the state of the battery on the device.
/// </summary>
public class Battery : BaseCommand
{
private bool isPlugged = false;
private EventHandler powerChanged;
#if WP8
private Windows.Phone.Devices.Power.Battery battery;
#endif
public Battery()
{
powerChanged = new EventHandler(DeviceStatus_PowerSourceChanged);
isPlugged = DeviceStatus.PowerSource.ToString().CompareTo("External") == 0;
#if WP8
battery = Windows.Phone.Devices.Power.Battery.GetDefault();
#endif
}
public void start(string options)
{
// Register power changed event handler
DeviceStatus.PowerSourceChanged += powerChanged;
#if WP8
battery.RemainingChargePercentChanged += Battery_RemainingChargePercentChanged;
#endif
PluginResult result = new PluginResult(PluginResult.Status.NO_RESULT);
result.KeepCallback = true;
DispatchCommandResult(result);
}
public void stop(string options)
{
// Unregister power changed event handler
DeviceStatus.PowerSourceChanged -= powerChanged;
#if WP8
battery.RemainingChargePercentChanged -= Battery_RemainingChargePercentChanged;
#endif
}
private void DeviceStatus_PowerSourceChanged(object sender, EventArgs e)
{
isPlugged = DeviceStatus.PowerSource.ToString().CompareTo("External") == 0;
PluginResult result = new PluginResult(PluginResult.Status.OK, GetCurrentBatteryStateFormatted());
result.KeepCallback = true;
DispatchCommandResult(result);
}
private void Battery_RemainingChargePercentChanged(object sender, object e)
{
PluginResult result = new PluginResult(PluginResult.Status.OK, GetCurrentBatteryStateFormatted());
result.KeepCallback = true;
DispatchCommandResult(result);
}
private string GetCurrentBatteryStateFormatted()
{
int remainingChargePercent = -1;
#if WP8
remainingChargePercent = battery.RemainingChargePercent;
#endif
string batteryState = String.Format("\"level\":{0},\"isPlugged\":{1}",
remainingChargePercent,
isPlugged ? "true" : "false"
);
batteryState = "{" + batteryState + "}";
return batteryState;
}
}
}