/// <summary>
/// 从图片库中筛选出既有GPS又有Google街景的图片集，用作生成回忆的备选图片集
/// </summary>
/// <param name="imageMonthGroups"></param>
/// <returns></returns>
public async Task <IOrderedEnumerable <ImageMonthGroup> > FindImagesAsync(IOrderedEnumerable <ImageMonthGroup> imageMonthGroups)
{
var imageModels = new List <ImageModel>();
foreach (ImageMonthGroup imageMonthGroup in imageMonthGroups)
{
foreach (ImageModel imageModel in imageMonthGroup)
{
if (imageModel.Longitude.HasValue && imageModel.Latitude.HasValue)
{
var x = imageModel.Latitude.Value
.ToString(CultureInfo.CurrentCulture);
var y = imageModel.Longitude.Value
.ToString(CultureInfo.CurrentCulture);
var status = await StreetViewMetadata.GetStreetViewStutas(x, y);
Debug.WriteLine(status);
if (status == "OK")
{
imageModels.Add(imageModel);
}
}
}
}
IOrderedEnumerable <ImageMonthGroup> MemoryImageMonthGroups;
MemoryImageMonthGroups = imageModels
.GroupBy(m => m.MonthYearDate, (key, list) => new ImageMonthGroup(key, list))
.OrderByDescending(m => m.Key.WholeDateTime.Year).ThenByDescending(m => m.Key.WholeDateTime.Month);
return(MemoryImageMonthGroups);
}
//显示路径
private async void ShowPath(int nodeNum, int wayNum)
{
var completed = false;
var delay = TimeSpan.FromSeconds(3);
//string streetStatus="";
//
// TODO: Work
//
var x = _pathPoint.ElementAt(nodeNum).X
.ToString(CultureInfo.CurrentCulture);
var y = _pathPoint.ElementAt(nodeNum).Y
.ToString(CultureInfo.CurrentCulture);
//Debug.WriteLine("get point"+tmp);
Debug.WriteLine(x);
Debug.WriteLine(y);
var pathpov =
new PathPov(_pathPoint.ElementAt(nodeNum - 1),
_pathPoint.ElementAt(nodeNum));
var tmpheading = pathpov.GetHeading().ToString();
var status = await StreetViewMetadata.GetStreetViewStutas(x, y);
Debug.WriteLine(status);
if (status == "OK")
{
InvokeJsMove(x, y, tmpheading);
}
/*await Dispatcher.RunAsync(
* CoreDispatcherPriority.High,
* async () =>
* {
* string[] script =
* {
* "setStreetViewPositon("+x
+","+y
+","+tmpheading
+")"
* };
* streetStatus = await Webview1.InvokeScriptAsync("eval", script);
* Debug.WriteLine("street:"+streetStatus);
* });*/
completed = true;
//
// Update the UI thread by using the UI core dispatcher.
//
Debug.WriteLine(nodeNum);
if (!completed)
{
return;
}
if (nodeNum == _pathPoint.Count - 1)
{
Debug.WriteLine("finish");
InvokeJsHeading(nodeNum);
TestClick(nodeNum + 1, wayNum + 1);
}
else if (wayNum < _wayPoint.Count - 1 && _wayPoint[wayNum] == _pathPoint[nodeNum])
{
if (status == "OK")
{
Debug.WriteLine("touch here");
InvokeJsHeading(nodeNum);
TestClick(nodeNum + 1, wayNum + 1);
}
else
{
await Task.Delay(3000);
ShowPath(nodeNum + 1, wayNum + 1);
}
}
else
{
await Task.Delay(3000);
ShowPath(nodeNum + 1, wayNum);
}
// var completed = false;
// var delay = TimeSpan.FromSeconds(3);
// //string streetStatus="";
// var delayTimer = ThreadPoolTimer.CreateTimer
// (async source =>
//{
// //
// // TODO: Work
// //
// var x = _pathPoint.ElementAt(nodeNum).X
// .ToString(CultureInfo.CurrentCulture);
// var y = _pathPoint.ElementAt(nodeNum).Y
// .ToString(CultureInfo.CurrentCulture);
// //Debug.WriteLine("get point"+tmp);
// Debug.WriteLine(x);
// Debug.WriteLine(y);
// var pathpov =
// new PathPov(_pathPoint.ElementAt(nodeNum - 1),
// _pathPoint.ElementAt(nodeNum));
// var tmpheading = pathpov.GetHeading().ToString();
// string statu = await StreetViewMetadata.GetStreetViewStutas(x.ToString(), y.ToString());
// Debug.WriteLine(statu);
// InvokeJsMove(x, y, tmpheading);
// /*await Dispatcher.RunAsync(
// CoreDispatcherPriority.High,
// async () =>
// {
// string[] script =
// {
// "setStreetViewPositon("+x
// +","+y
// +","+tmpheading
// +")"
// };
// streetStatus = await Webview1.InvokeScriptAsync("eval", script);
// Debug.WriteLine("street:"+streetStatus);
// });*/
// completed = true;
//}, delay, async source =>
// {
// //
// // Update the UI thread by using the UI core dispatcher.
// //
// await Dispatcher.RunAsync(
// CoreDispatcherPriority.High,
// () =>
// {
// Debug.WriteLine(nodeNum);
// if (!completed) return;
// if (nodeNum == _pathPoint.Count - 1)
// {
// Debug.WriteLine("finish");
// InvokeJsHeading(nodeNum);
// TestClick(nodeNum + 1, wayNum + 1);
// }
// else if (wayNum < _wayPoint.Count - 1 && _wayPoint[wayNum] ==
// _pathPoint[nodeNum])
// {
// Debug.WriteLine("touch here");
// InvokeJsHeading(nodeNum);
// TestClick(nodeNum + 1, wayNum + 1);
// }
// else
// {
// ShowPath(nodeNum + 1, wayNum);
// }
// });
// });
}
