void DisplayFromHttp(Image image, string uri, DisplayOption option)
{
if (httpImpl == null)
{
httpImpl = new BestHttpImpl();
}
httpImpl.Get(uri, delegate(byte[] response, int statusCode, bool isSuccess) {
//LogUtils.Log("image load from net");
if (isSuccess)
{
if (discCache != null && option.isDiscCache)
{
discCache.Set(uri, response);
}
Sprite sprite = Display(image, response);
if (sprite != null && option.isMemoryCache)
{
memoryCache.Set(uri, sprite);
}
}
else
{
DisplayErrorImage(image, option);
}
});
}
bool DisplayLoadingImage(Image image, DisplayOption option)
{
if (!DisplayFromResource(image, option.loadingImagePath, option))
{
DisplayTransparent(image);
}
return(true);
}
DisplayOption GetOptionFromParams(params DisplayOption[] option)
{
if (option == null || option.Length <= 0)
{
return(DisplayOption.GetDefaultDisplayOption());
}
else
{
return(option[0]);
}
}
public bool Display(byte[] data, Image image, string uri, params DisplayOption[] option)
{
DisplayOption opt = GetOptionFromParams(option);
if (DisplayFromMemory(image, uri, option))
{
return(true);
}
return(DisplayFromBytes(data, image, uri, opt));
}
public bool DisplayFromMemory(Image image, string uri, params DisplayOption[] option)
{
DisplayOption opt = GetOptionFromParams(option);
Sprite sprite = memoryCache.Get(uri);
if (opt.isMemoryCache && sprite != null)
{
//LogUtils.Log("image load from memory cache");
Display(image, sprite);
return(true);
}
return(false);
}
void DisplayFromDiscCache(Image image, string uri, DisplayOption option)
{
if (discCache != null)
{
byte[] data = discCache.Get(uri);
if (DisplayFromBytes(data, image, uri, option))
{
//LogUtils.Log("image load from disc cache");
Debug.Log("image load from disc cache:" + uri);
}
else
{
DisplayFromHttp(image, uri, option);
}
}
}
bool DisplayFromBytes(byte[] data, Image image, string uri, DisplayOption option)
{
Sprite sprite = Display(image, data);
if (sprite == null)
{
DisplayErrorImage(image, option);
return(false);
}
else
{
if (option.isMemoryCache)
{
memoryCache.Set(uri, sprite);
}
return(true);
}
}
//Not consider to memory cache,just display from file immediately
public void DisplayFromFile(Image image, string path, params DisplayOption[] option)
{
DisplayOption opt = GetOptionFromParams(option);
DisplayLoadingImage(image, opt);
if (File.Exists(path))
{
AsyncTask.GetInstance()
.SetDoInBackground(delegate {
byte[] data = File.ReadAllBytes(path);
return(data);
}).SetOnPostExecute(result => DisplayFromBytes((byte[])result, image, path, opt))
.Excute();
}
else
{
DisplayErrorImage(image, opt);
}
}
bool DisplayFromResource(Image image, string resourcePath, DisplayOption option)
{
if (string.IsNullOrEmpty(resourcePath))
{
return(false);
}
if (DisplayFromMemory(image, resourcePath, option))
{
return(true);
}
Sprite sprite = Display(image, Resources.Load <Texture2D>(resourcePath));
if (sprite != null && option.isMemoryCache)
{
memoryCache.Set(resourcePath, sprite);
}
return(true);
}
void DisplayFromDiscCache(Image image, string uri, DisplayOption option)
{
if (discCache != null)
{
AsyncTask.GetInstance()
.SetDoInBackground(delegate
{
return(discCache.Get(uri));
}).SetOnPostExecute(delegate(object result)
{
byte[] data = (byte[])result;
if (DisplayFromBytes(data, image, uri, option))
{
//LogUtils.Log("image load from disc cache");
}
else
{
DisplayFromHttp(image, uri, option);
}
}).Excute();
}
}
public void Display(Image image, string uri, params DisplayOption[] option)
{
DisplayOption opt = GetOptionFromParams(option);
if (string.IsNullOrEmpty(uri))
{
DisplayErrorImage(image, opt);
return;
}
if (DisplayFromMemory(image, uri, option))
{
return;
}
Uri _uri = new Uri(uri);
if (_uri.IsFile)
{
DisplayFromFile(image, uri, option);
}
else
{
DisplayLoadingImage(image, opt);
if (opt.isDiscCache)
{
discCache.Access(uri);
DisplayFromDiscCache(image, uri, opt);
}
else
{
DisplayFromHttp(image, uri, opt);
}
}
}
bool DisplayErrorImage(Image image, DisplayOption option)
{
return(DisplayFromResource(image, option.loadErrorImagePath, option));
}