private static ImageSource ReturnOrEnqueueSticker(TLDocument22 document, TLStickerItem sticker)
{
if (document == null)
{
return(null);
}
var documentLocalFileName = document.GetFileName();
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!store.FileExists(documentLocalFileName))
{
TLObject owner = document;
if (sticker != null)
{
owner = sticker;
}
// 1. download full size
IoC.Get <IDocumentFileManager>().DownloadFileAsync(document.FileName, document.DCId, document.ToInputFileLocation(), owner, document.Size, progress => { });
// 2. download preview
var thumbCachedSize = document.Thumb as TLPhotoCachedSize;
if (thumbCachedSize != null)
{
var fileName = "cached" + document.GetFileName();
var buffer = thumbCachedSize.Bytes.Data;
if (buffer == null)
{
return(null);
}
return(DecodeWebPImage(fileName, buffer, () => { }));
}
var thumbPhotoSize = document.Thumb as TLPhotoSize;
if (thumbPhotoSize != null)
{
var location = thumbPhotoSize.Location as TLFileLocation;
if (location != null)
{
return(ReturnOrEnqueueStickerPreview(location, sticker, thumbPhotoSize.Size));
}
}
}
else
{
if (document.DocumentSize > 0 &&
document.DocumentSize < Telegram.Api.Constants.StickerMaxSize)
{
byte[] buffer;
using (var file = store.OpenFile(documentLocalFileName, FileMode.Open))
{
buffer = new byte[file.Length];
file.Read(buffer, 0, buffer.Length);
}
return(DecodeWebPImage(documentLocalFileName, buffer,
() =>
{
using (var localStore = IsolatedStorageFile.GetUserStoreForApplication())
{
localStore.DeleteFile(documentLocalFileName);
}
}));
}
}
}
return(null);
}
private void GetStickerHints(string text)
{
var stickersCache = new Dictionary <long, long>();
var stickers = new List <TLStickerItem>();
var currentStickerText = text.Trim();
var allStickers43 = StateService.GetAllStickers() as TLAllStickers43;
var key = string.Format("{0}\ashowStickersByEmoji={1}", text, allStickers43 != null ? allStickers43.ShowStickersByEmoji : ShowStickersByEmoji.AllSets);
if (allStickers43 != null)
{
if (allStickers43.ShowStickersByEmoji == ShowStickersByEmoji.AllSets ||
allStickers43.ShowStickersByEmoji == ShowStickersByEmoji.MySets)
{
var favedDict = new Dictionary <long, long>();
var favedStickers = allStickers43.FavedStickers;
if (favedStickers != null)
{
for (var i = 0; i < favedStickers.Documents.Count; i++)
{
favedDict[favedStickers.Documents[i].Index] = favedStickers.Documents[i].Index;
}
}
// 1. 5 most recently used (flag=[my sets, all sets])
var recentStickers = allStickers43.RecentStickers;
if (recentStickers != null)
{
const int maxRecentCount = 5;
var recentCount = 0;
for (var i = 0; i < recentStickers.Documents.Count && recentCount < maxRecentCount; i++)
{
var sticker = recentStickers.Documents[i] as TLDocument22;
if (sticker != null && sticker.Emoticon == text && !stickersCache.ContainsKey(sticker.Index) && !favedDict.ContainsKey(sticker.Index))
{
stickers.Add(new TLStickerItem {
Document = sticker
});
stickersCache[sticker.Index] = sticker.Index;
recentCount++;
}
}
}
// 2. faved stickers (flag=[my sets, all sets])
if (favedStickers != null)
{
for (var i = 0; i < favedStickers.Documents.Count; i++)
{
var sticker = favedStickers.Documents[i] as TLDocument22;
if (sticker != null && sticker.Emoticon == text && !stickersCache.ContainsKey(sticker.Index))
{
stickers.Add(new TLStickerItem {
Document = sticker
});
stickersCache[sticker.Index] = sticker.Index;
}
}
}
// 3. installed stickers (flag=[my sets, all sets])
var stickerPack = GetStickerPack(currentStickerText);
if (stickerPack != null)
{
for (var i = 0; i < stickerPack.Documents.Count; i++)
{
var sticker = Stickers.Documents.FirstOrDefault(x => x.Id.Value == stickerPack.Documents[i].Value);
if (sticker != null && !stickersCache.ContainsKey(sticker.Index))
{
stickers.Add(new TLStickerItem {
Document = sticker
});
stickersCache[sticker.Index] = sticker.Index;
}
}
}
}
if (allStickers43.ShowStickersByEmoji == ShowStickersByEmoji.AllSets)
{
// 4. featured stickers (flag=[all sets])
/*var featuredPack = GetFeaturedStickerPack(currentStickerText);
* if (featuredPack != null)
* {
* var featuredStickers = StateService.GetFeaturedStickers();
* for (var i = 0; i < featuredPack.Documents.Count; i++)
* {
* var sticker = featuredStickers.Documents.FirstOrDefault(x => x.Id.Value == featuredPack.Documents[i].Value);
* if (sticker != null && !stickersCache.ContainsKey(sticker.Index))
* {
* stickers.Add(new TLStickerItem { Document = sticker });
* stickersCache[sticker.Index] = sticker.Index;
* }
* }
* }*/
// 5. search on server side
MTProtoService.GetStickersAsync(new TLString(currentStickerText), new TLInt(0),
result => Execute.BeginOnUIThread(() =>
{
var stickersResult = result as TLStickers79;
if (stickersResult != null)
{
if (!string.IsNullOrEmpty(Text))
{
string searchText;
var searchByStickers = SearchStickerHints(Text, out searchText);
if (searchByStickers)
{
if (string.Equals(currentStickerText, searchText))
{
if (StickerHints.Hints.Count == MaxResults)
{
IList <TLStickerItem> cachedResult;
if (_cachedStickerResults.TryGetValue(key, out cachedResult))
{
for (var i = 0; i < stickersResult.Stickers.Count; i++)
{
var item = new TLStickerItem {
Document = stickersResult.Stickers[i]
};
cachedResult.Add(item);
}
}
}
else
{
IList <TLStickerItem> cachedResult;
if (_cachedStickerResults.TryGetValue(key, out cachedResult))
{
for (var i = 0; i < stickersResult.Stickers.Count; i++)
{
var item = new TLStickerItem {
Document = stickersResult.Stickers[i]
};
cachedResult.Add(item);
StickerHints.Hints.Add(item);
}
}
}
}
}
}
}
}),
error => Execute.BeginOnUIThread(() =>
{
Execute.ShowDebugMessage("messages.getStickers error " + error);
}));
}
}
_cachedStickerResults[key] = stickers;
ClearStickerHints();
if (stickers.Count > 0)
{
CreateStickerHints();
for (var i = 0; i < stickers.Count; i++)
{
if (i == MaxResults)
{
break;
}
StickerHints.Hints.Add(stickers[i]);
}
}
}