void LoadTabIconForItem(ActivityItem view, TabType type, int versionNumber)
{
ImageView itemPicture = view.FindViewById <ImageView> (Resource.Id.ItemPicture);
if (view.CurrentTabType != type.Name)
{
itemPicture.SetImageBitmap(type.Image);
}
}
void LoadMapForItem(ActivityItem view, Tuple <double, double> latLng, int versionNumber)
{
FadeImageView mapView = view.FindViewById <FadeImageView> (Resource.Id.MapPicture);
string url = BuildMapUrl(latLng, mapWidth, MapHeight);
if (url == view.CurrentMapUri)
{
return;
}
Bitmap map = null;
if (cache.TryGet(url, out map))
{
mapView.SetImageBitmap(map, true);
view.CurrentMapUri = url;
view.CurrentMapCoordinates = latLng;
}
else
{
mapView.SetImageBitmap(NoMapPicture);
Action doMapSetting = () => {
if (view.VersionNumber != versionNumber)
{
return;
}
activity.RunOnUiThread(() => {
if (view.VersionNumber != versionNumber)
{
return;
}
if (map == null)
{
cache.TryGet(url, out map);
}
mapView.SetImageBitmap(map, true);
view.CurrentMapUri = url;
view.CurrentMapCoordinates = latLng;
});
};
if (pendingFetch.ContainsKey(url))
{
pendingFetch [url].ContinueWith(t => doMapSetting(), TaskContinuationOptions.ExecuteSynchronously);
}
else
{
pendingFetch[url] = SerialScheduler.Factory.StartNew(() => {
map = DownloadoCacher(url);
doMapSetting();
});
}
}
}
ActivityItem EnsureView(ViewGroup root, View convertView)
{
if (convertView != null)
{
return((ActivityItem)convertView);
}
var activityView = new ActivityItem(activity);
activityView.ItemExpanded += (v, expanded) => {
if (expanded)
{
LoadMapForItem(v, v.CurrentMapCoordinates, v.VersionNumber);
}
};
return(activityView);
}
ActivityItem GetActivityItemFromChildView(View v)
{
if (v == null)
{
return(null);
}
ActivityItem item = v as ActivityItem;
if (item != null)
{
return(item);
}
var parent = v.Parent;
while (parent != null && (item = parent as ActivityItem) == null)
{
parent = parent.Parent;
}
return(item);
}
void LoadTabIconForItem(ActivityItem view, TabType type, int versionNumber)
{
ImageView itemPicture = view.FindViewById<ImageView> (Resource.Id.ItemPicture);
if (view.CurrentTabType != type.Name)
itemPicture.SetImageBitmap (type.Image);
}
void LoadMapForItem(ActivityItem view, Tuple<double, double> latLng, int versionNumber)
{
FadeImageView mapView = view.FindViewById<FadeImageView> (Resource.Id.MapPicture);
string url = BuildMapUrl (latLng, mapWidth, MapHeight);
if (url == view.CurrentMapUri)
return;
Bitmap map = null;
if (cache.TryGet (url, out map)) {
mapView.SetImageBitmap (map, true);
view.CurrentMapUri = url;
view.CurrentMapCoordinates = latLng;
} else {
mapView.SetImageBitmap (NoMapPicture);
Action doMapSetting = () => {
if (view.VersionNumber != versionNumber)
return;
activity.RunOnUiThread (() => {
if (view.VersionNumber != versionNumber)
return;
if (map == null)
cache.TryGet (url, out map);
mapView.SetImageBitmap (map, true);
view.CurrentMapUri = url;
view.CurrentMapCoordinates = latLng;
});
};
if (pendingFetch.ContainsKey (url))
pendingFetch [url].ContinueWith (t => doMapSetting (), TaskContinuationOptions.ExecuteSynchronously);
else
pendingFetch[url] = SerialScheduler.Factory.StartNew (() => {
map = DownloadoCacher (url);
doMapSetting ();
});
}
}
ActivityItem EnsureView(ViewGroup root, View convertView)
{
if (convertView != null)
return (ActivityItem)convertView;
var activityView = new ActivityItem (activity);
activityView.ItemExpanded += (v, expanded) => {
if (expanded)
LoadMapForItem (v, v.CurrentMapCoordinates, v.VersionNumber);
};
return activityView;
}
