/// <summary>Shares a short story consisting of a link and some information on facebook.</summary>
/// <returns>A promise with a bundle optionally containing {postId: "<the post ID on facebook>"}.</returns>
/// <param name="url">The URL to which this post should link.</param>
/// <param name="title">The desired title of the content in the link.</param>
/// <param name="description">A short description, rendered below title in the story.</param>
/// <param name="photoUrl">A URL for the thumbnail image that appears on the post.</param>
public Promise <Bundle> ShareLink(string url = null, string title = "", string description = "", string photoUrl = null)
{
var task = new Promise <Bundle>();
DoOnGUI.Add(() => {
Uri uri = url != null ? new Uri(url) : null;
Uri photoUri = photoUrl != null ? new Uri(photoUrl) : null;
FB.ShareLink(uri, title, description, photoUri, shareResult => {
if (shareResult.Cancelled || !String.IsNullOrEmpty(shareResult.Error))
{
task.PostResult(ErrorCode.Canceled, "Facebook share canceled");
}
else if (!String.IsNullOrEmpty(shareResult.PostId))
{
// Print post identifier of the shared content
task.PostResult(Bundle.CreateObject("postId", shareResult.PostId));
}
else
{
// Share succeeded without postID
task.PostResult(Bundle.Empty);
}
});
});
return(task);
}
/// <summary>
/// Logs in to Facebook and returns an access token (FB API) that can be used to log in with CotC.
/// </summary>
/// <returns>task returning a facebook access token in case of success.</returns>
/// <param name="permissions">List of permissions to request for.</param>
public Promise <AccessToken> LoginToFacebook(List <string> permissions)
{
var task = new Promise <AccessToken>();
DoOnGUI.Add(() => {
FB.LogInWithReadPermissions(permissions, (ILoginResult result) => {
if (result.Error != null)
{
task.PostResult(ErrorCode.SocialNetworkError, "Facebook/ " + result.Error);
}
else if (!FB.IsLoggedIn)
{
task.PostResult(ErrorCode.LoginCanceled, "Login canceled");
}
else
{
task.PostResult(AccessToken.CurrentAccessToken);
}
});
});
return(task);
}