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ChameHOTBackgroundTaskService.cs
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ChameHOTBackgroundTaskService.cs
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using ChameHOT.BackgroundTask;
using ChameHOT_Service.Models;
using ChameHOT_Service.Resources;
using Newtonsoft.Json;
using NoteOne_Core;
using NoteOne_ImageHelper;
using NoteOne_Utility;
using NoteOne_Utility.Converters;
using NoteOne_Utility.Extensions;
using NoteOne_Utility.Helpers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.Data.Xml.Dom;
using Windows.Foundation;
using Windows.System.Threading;
using Windows.System.UserProfile;
using Windows.UI.Core;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Media.Imaging;
using Windows.Storage.Streams;
using System.Runtime.InteropServices.WindowsRuntime;
using NoteOne_ImageHelper.ImageSecurity;
using System.IO;
using Windows.Storage;
namespace ChameHOT_Service
{
public class ChameHOTBackgroundTaskService : BackgroundTaskService
{
private static readonly AsyncLock CACHE_FILE_WRITE_ASYNC_LOCKER = new AsyncLock();
public ChameHOTBackgroundTaskService(Service service, XmlElement configXml)
: base(service, configXml, UpdateLockScreenBackgroundTask.BackgroundTaskSettingFileName)
{
DoAsync = Task_Run;
}
#region Properties
public List<object> TimeTriggerTimes { get; private set; }
#endregion
protected override void Initialize(XmlElement configXml)
{
base.Initialize(configXml);
TimeTriggerTimes = new List<object>();
try
{
string[] times = configXml.GetAttribute("TimeTriggerTimes").Check("").StringToArray();
foreach (string time in times)
{
string[] tc = time.StringToArray(':');
if (tc.Length > 1)
TimeTriggerTimes.Add(new { Name = ResourcesLoader.Loader[tc[0]], Value = tc[1] });
}
}
catch (Exception ex)
{
ex.WriteLog();
}
}
private async Task Task_Run(Dictionary<string, string> parameters)
{
try
{
// Initialize and read app local&roaming setting
await AppSettings.InitializeSettings(AppSettings.Instance);
await AppSettings.InitializeSettings(ChameHOTServiceSetting.Instance);
await AppSettings.InitializeSettings(ChameHOTRoamingSetting.Instance);
var chameHOTQueryService = Service as ChameHOTQueryService;
if (chameHOTQueryService != null)
{
var cacheFolder = ApplicationData.Current.LocalFolder;
var hot = await chameHOTQueryService.QueryDataAsync();
var clientId = (string)ChameHOTRoamingSetting.Instance.Settings[ChameHOTRoamingSetting.CLIENT_ID];
if (hot != null)
{
byte[] imageBytes = await ChameHOTServiceHelper.GetCurrentLockScreen();
var key = MD5Encryptor.GetMD5(imageBytes);
// Check and get local cache image
if (!await ChameHOTCacheKeys.IsContainKey(key))
{
using (AsyncLock.Releaser releaser = await CACHE_FILE_WRITE_ASYNC_LOCKER.LockAsync())
{
// Save current image into cache folder
var cahcheImg = await cacheFolder.CreateFileAsync(clientId, CreationCollisionOption.OpenIfExists);
using (var ras = await cahcheImg.OpenAsync(FileAccessMode.ReadWrite))
{
await ras.WriteAsync(imageBytes.AsBuffer());
}
}
}
else
{
using (AsyncLock.Releaser releaser = await CACHE_FILE_WRITE_ASYNC_LOCKER.LockAsync())
{
if (await cacheFolder.CheckFileExisted(clientId))
{
var buffer = await FileIO.ReadBufferAsync(await cacheFolder.GetFileAsync(clientId));
imageBytes = buffer.ToArray();
}
}
}
// Wrap http request for remote request lockscreen
var request = new BackgroundTaskRequestModel()
{
ClientId = (string)ChameHOTRoamingSetting.Instance.Settings[ChameHOTRoamingSetting.CLIENT_ID],
HOT = hot,
Position = new Point((double)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.POSITION_LEFT],
(double)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.POSITION_TOP]),
ScreenSize = new Size((double)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.SCREEN_WIDTH],
(double)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.SCREEN_HEIGHT]),
ImageBase64 = Convert.ToBase64String(imageBytes),
HasBackground = (bool)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.BACKCOLOR_ON],
BackgroundColor = (string)ChameHOTServiceSetting.Instance.Settings[ChameHOTServiceSetting.BACKCOLOR]
};
var requestJson = JsonConvert.SerializeObject(request);
var imageResponse = await HttpClientHelper.Instance.PostResponseStringAsync(new Uri(chameHOTQueryService.ChameServiceUrl), requestJson);
// Set new lockscreen from remote ChameService
using (var ms = new MemoryStream(Convert.FromBase64String(imageResponse.Body)))
{
await LockScreen.SetImageStreamAsync(ms.AsRandomAccessStream());
}
// Update cache keys
await ChameHOTCacheKeys.AddKey(MD5Encryptor.GetMD5(await ChameHOTServiceHelper.GetCurrentLockScreen()));
}
}
}
catch (Exception ex)
{
ex.WriteLog();
}
}
}
}