//async
public static void GetEmote(string url, EmoteCallback callback)
{
if (AppSettings.CacheEmotes)
{
Task.Run((() =>
{
_emotes_cache ecache;
ecache.emote = null;
Mutex m;
using (m = new Mutex(false, url)) {
try {
m.WaitOne();
} catch (AbandonedMutexException e) {
//no problem keep going
}
if (CachedEmotes.TryGetValue(url, out ecache))
{
ecache.usedLastTime = true;
if (ecache.emote == null && File.Exists(ecache.emotePath))
{
try {
MemoryStream mem = new MemoryStream();
using (FileStream stream = new FileStream(ecache.emotePath, FileMode.Open, FileAccess.Read)) {
stream.CopyTo(mem);
ecache.emote = ChatterinoImage.FromStream(mem);
}
} catch (Exception e) {
GuiEngine.Current.log("emote faild to load " + ecache.emotePath + " " + e.ToString());
ecache.emote = null;
}
}
if (ecache.emote == null)
{
//assume file doesnt exist. remove from the cache.
CachedEmotes.TryRemove(url, out ecache);
}
else
{
CachedEmotes[url] = ecache;
}
}
m.ReleaseMutex();
callback(ecache.emote);
}
}));
}
else
{
callback(null);
}
}
private void getEmote()
{
try
{
ChatterinoImage img;
if (LoadAction != null)
{
img = LoadAction();
}
else
{
try
{
var request = WebRequest.Create(Url);
if (AppSettings.IgnoreSystemProxy)
{
request.Proxy = null;
}
using (var response = request.GetResponse()) {
using (var stream = response.GetResponseStream())
{
MemoryStream mem = new MemoryStream();
stream.CopyTo(mem);
img = GuiEngine.Current.ReadImageFromStream(mem);
}
response.Close();
}
GuiEngine.Current.FreezeImage(img);
}
catch (Exception e)
{
GuiEngine.Current.log("emote faild to load " + Name + " " + Url + " " + e.ToString());
img = null;
}
}
if (img != null)
{
GuiEngine.Current.HandleAnimatedTwitchEmote(this, img);
EmoteCache.AddEmote(Url, img);
image = img;
GuiEngine.Current.TriggerEmoteLoaded();
ImageLoaded?.Invoke(null, null);
}
loading = false;
} catch (Exception e) {
GuiEngine.Current.log("Error loading emote " + Name + " " + Url + " " + e.ToString());
}
}
//async
public static void AddEmote(string url, ChatterinoImage emote)
{
if (AppSettings.CacheEmotes)
{
Task.Run((() =>
{
_emotes_cache ecache;
Mutex m;
using (m = new Mutex(false, url)) {
try {
m.WaitOne();
} catch (AbandonedMutexException e) {
//no problem keep going
}
if (!CachedEmotes.ContainsKey(url))
{
ecache.usedLastTime = true;
ecache.isAnimated = false;
ecache.emotePath = Path.Combine(Util.GetUserDataPath(), "Cache", "Emotes", HttpUtility.UrlEncode(url));
ecache.emote = emote;
try {
//save emote to a file
if (File.Exists(ecache.emotePath))
{
File.Delete(ecache.emotePath);
}
lock (emote) {
bool animated = emote.IsAnimated;
if (!animated)
{
emote.Save(ecache.emotePath);
}
else
{
ecache.isAnimated = true;
}
}
CachedEmotes.TryAdd(url, ecache);
} catch (Exception e) {
GuiEngine.Current.log("emote faild to save " + ecache.emotePath + " " + e.ToString());
}
}
m.ReleaseMutex();
}
}));
}
}
public LazyLoadedImage(ChatterinoImage image)
{
this.image = image;
loading = false;
}
