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BatteryStatistics.cs
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/
BatteryStatistics.cs
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/*
* Copyright (c) 2017 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.Collections.Generic;
namespace Tizen.Context.AppHistory
{
/// <summary>
/// This class provides APIs to query the battery consumption per application.
/// </summary>
/// <since_tizen> 4 </since_tizen>
public class BatteryStatistics : AppStatistics
{
private const string AppStatsConsumption = "TotalAmount";
/// <summary>
/// The default constructor of BatteryStatistics class.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <feature>http://tizen.org/feature/app_history</feature>
/// <feature>http://tizen.org/feature/battery</feature>
/// <exception cref="InvalidOperationException">Thrown when the method failed due to an internal error.</exception>
/// <exception cref="NotSupportedException">Thrown when the features are not supported.</exception>
public BatteryStatistics()
{
SortOrder = SortOrderType.ConsumptionMost;
Uri = ConvertSortOrderToString((int)SortOrder);
bool isSupported = false;
int error = Interop.CtxHistory.IsSupported(Uri, out isSupported);
if ((AppHistoryError)error != AppHistoryError.None)
{
throw AppHistoryErrorFactory.CheckAndThrowException((AppHistoryError)error, Uri);
}
if (!isSupported)
{
throw AppHistoryErrorFactory.CheckAndThrowException(AppHistoryError.NotSupported, Uri);
}
}
/// <summary>
/// The constructor of BatteryStatistics class.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="order">The criteria of the battery statistics sorted by.</param>
/// <feature>http://tizen.org/feature/app_history</feature>
/// <feature>http://tizen.org/feature/battery</feature>
/// <exception cref="ArgumentException">Thrown when an invalid argument is used.</exception>
/// <exception cref="InvalidOperationException">Thrown when the method failed due to an internal error.</exception>
/// <exception cref="NotSupportedException">Thrown when the features are not supported.</exception>
public BatteryStatistics(SortOrderType order)
{
SortOrder = order;
Uri = ConvertSortOrderToString((int)SortOrder);
if (Uri == null)
{
throw AppHistoryErrorFactory.CheckAndThrowException(AppHistoryError.InvalidParameter, "Invalid SortOrderType");
}
bool isSupported = false;
int error = Interop.CtxHistory.IsSupported(Uri, out isSupported);
if ((AppHistoryError)error != AppHistoryError.None)
{
throw AppHistoryErrorFactory.CheckAndThrowException((AppHistoryError)error, Uri);
}
if (!isSupported)
{
throw AppHistoryErrorFactory.CheckAndThrowException(AppHistoryError.NotSupported, Uri);
}
}
/// <summary>
/// Retrieves a given type of battery statistics.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="startTime">The start time of the data to be aggregated.</param>
/// <param name="endTime">The end time of the data to be aggregated.</param>
/// <returns>Battery statistics data retrieved.</returns>
/// <privilege>http://tizen.org/privilege/apphistory.read</privilege>
/// <feature>http://tizen.org/feature/app_history</feature>
/// <feature>http://tizen.org/feature/battery</feature>
/// <exception cref="ArgumentException">Thrown when an invalid argument is used.</exception>
/// <exception cref="InvalidOperationException">Thrown when invalid operation occurs.</exception>
/// <exception cref="NotSupportedException">Thrown when the features are not supported.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown when the application has no privilege to retrieve the application history.</exception>
public IReadOnlyList<BatteryStatisticsData> Query(DateTime startTime, DateTime endTime)
{
CheckTimeSpan(startTime, endTime);
return Query(startTime, endTime, DefaultResultSize);
}
/// <summary>
/// Retrieves a given type of battery statistics.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <param name="startTime">The start time of the data to be aggregated.</param>
/// <param name="endTime">The end time of the data to be aggregated.</param>
/// <param name="resultSize">The number of data records to be retrieved.</param>
/// <returns>Battery statistics data retrieved.</returns>
/// <privilege>http://tizen.org/privilege/apphistory.read</privilege>
/// <feature>http://tizen.org/feature/app_history</feature>
/// <feature>http://tizen.org/feature/battery</feature>
/// <exception cref="ArgumentException">Thrown when an invalid argument is used.</exception>
/// <exception cref="InvalidOperationException">Thrown when an invalid operation occurs.</exception>
/// <exception cref="NotSupportedException">Thrown when the features are not supported.</exception>
/// <exception cref="UnauthorizedAccessException">Thrown when the application has no privilege to retrieve the application history.</exception>
public IReadOnlyList<BatteryStatisticsData> Query(DateTime startTime, DateTime endTime, uint resultSize)
{
CheckTimeSpan(startTime, endTime);
CheckResultSize(resultSize);
List<BatteryStatisticsData> result = new List<BatteryStatisticsData>();
IntPtr cursor = IntPtr.Zero;
int error = Interop.CtxHistory.Query(Uri, (int)ConvertDateTimeToUnixTimestamp(startTime), (int)ConvertDateTimeToUnixTimestamp(endTime), resultSize, out cursor);
if ((AppHistoryError)error == AppHistoryError.NoData)
{
return result.AsReadOnly();
}
else if ((AppHistoryError)error != AppHistoryError.None)
{
Log.Error(AppHistoryErrorFactory.LogTag, "Failed to request query battery statistics");
throw AppHistoryErrorFactory.CheckAndThrowException((AppHistoryError)error, "Failed to request query battery statistics");
}
int size;
error = Interop.CtxHistoryCursor.GetCount(cursor, out size);
Interop.CtxHistoryCursor.First(cursor);
for (int i = 0; i < size; i++)
{
result.Add(ConvertOutputToStatsData(cursor));
Interop.CtxHistoryCursor.Next(cursor);
}
Interop.CtxHistoryCursor.Destroy(cursor);
return result.AsReadOnly();
}
/// <summary>
/// Gets the last time when the device was fully charged.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <returns>The last time when the device was fully charged.</returns>
/// <feature>http://tizen.org/feature/app_history</feature>
/// <feature>http://tizen.org/feature/battery</feature>
/// <exception cref="NotSupportedException">Thrown when the statistics is not supported.</exception>
public static DateTime GetLastFullyChargedTime()
{
Int64 timestamp;
int error = Interop.CtxHistory.GetLastFullyChargedTime(out timestamp);
if ((AppHistoryError)error != AppHistoryError.None)
{
Log.Error(AppHistoryErrorFactory.LogTag, "Failed to request get last fully charged time");
throw AppHistoryErrorFactory.CheckAndThrowException((AppHistoryError)error, "Failed to request get last fully charged time");
}
return ConvertUnixTimestampToDateTime(timestamp);
}
internal override string ConvertSortOrderToString(int order)
{
switch ((SortOrderType)order)
{
case SortOrderType.ConsumptionMost:
return "stats/battery/history";
default:
return null;
}
}
private static BatteryStatisticsData ConvertOutputToStatsData(IntPtr cursor)
{
string appId;
double consumption;
Interop.CtxHistoryCursor.GetString(cursor, AppStatsAppId, out appId);
Interop.CtxHistoryCursor.GetDouble(cursor, AppStatsConsumption, out consumption);
return new BatteryStatisticsData(appId, consumption);
}
/// <summary>
/// Gets the criteria of battery statistics sorted by.
/// </summary>
/// <since_tizen> 4 </since_tizen>
/// <value>The criteria of battery statistics sorted by.</value>
public SortOrderType SortOrder { get; private set; }
/// <summary>
/// Sorts the order type of battery statistics.
/// </summary>
/// <since_tizen> 4 </since_tizen>
public enum SortOrderType
{
/// <summary>
/// Sorts the apps by consumption, the most battery consuming apps appear first (default).
/// </summary>
/// <since_tizen> 4 </since_tizen>
ConsumptionMost = 0
}
}
}