public TweetImageFetchRequest(TweetImageInfo image, UIView view, bool placeholder)
{
var scale = UIScreen.MainScreen.Scale;
tweetImage = image;
targetContentMode = view.ContentMode;
targetDimensions = TIPImageUtils.TIPDimensionsFromView(view);
forcePlaceholder = placeholder;
if (forcePlaceholder)
{
imageUrl = new NSUrl("placeholder://placeholder.com/placeholder.jpg");
}
else
{
if (tweetImage.MediaUrl.StartsWith("https://pbs.twimg.com/media/", StringComparison.OrdinalIgnoreCase))
{
var variantName = DetermineVariant(tweetImage.OriginalDimensions, targetDimensions, targetContentMode);
imageUrl = new NSUrl($"{tweetImage.MediaUrlWithoutExtension}?format={tweetImage.Format}&name={variantName}");
}
else
{
imageUrl = new NSUrl(tweetImage.MediaUrl);
}
}
}
private List <TweetInfo> ParseResponse(NSData data)
{
var tweets = new List <TweetInfo>();
var json = JObject.Parse(data.ToString());
foreach (var status in json["statuses"])
{
var user = status["user"];
var handle = (string)user["screen_name"];
if (!string.IsNullOrEmpty(handle))
{
var tweet = new TweetInfo
{
Text = (string)status["text"],
Handle = handle
};
tweets.Add(tweet);
var sensitive = (bool?)status["possibly_sensitive"];
if (!sensitive.HasValue || !sensitive.Value)
{
var entities = status["entities"];
if (entities != null)
{
var media = entities["media"];
if (media != null)
{
foreach (var mediaItem in media)
{
var type = (string)mediaItem["type"];
if (type == "photo")
{
var imageUrlString = (string)mediaItem["media_url_https"];
var format = Path.GetExtension(imageUrlString).Substring(1);
var sizes = mediaItem["sizes"];
var largeVariant = sizes["large"];
var w = (int)largeVariant["w"];
var h = (int)largeVariant["h"];
var imageInfo = new TweetImageInfo
{
Format = format,
MediaUrl = imageUrlString,
MediaUrlWithoutExtension = imageUrlString.Substring(0, imageUrlString.Length - format.Length - 1),
OriginalDimensions = new CGSize(w, h)
};
tweet.Images.Add(imageInfo);
}
}
}
}
}
}
}
return((tweets.Count > 0) ? tweets : null);
}
public ZoomingTweetImageViewController(TweetImageInfo imageInfo)
{
tweetImageInfo = imageInfo;
NavigationItem.Title = "Tweet Image";
}