{

/// <summary>

/// Flair page 'template', re-used four times

/// </summary>

public partial class SOViewController : UIViewController

{

#region Constructors

// The IntPtr and NSCoder constructors are required for controllers that need

// to be able to be created from a xib rather than from managed code

public SOViewController (IntPtr handle) : base(handle)

{

Initialize ();

}

[Export("initWithCoder:")]

public SOViewController (NSCoder coder) : base(coder)

{

Initialize ();

}

public SOViewController ()

{

Initialize ();

}

void Initialize ()

{

}

#endregion

private TrilogySite _site = null;

public TrilogySite Site {

get { return _site; }

set {

_site = value;

imageLogo.Image = UIImage.FromFile (Site.Logo);

}

}

/// <summary>

/// Path to save image and cache

/// </summary>

public string DocumentsDirectory { get; set; }

public string Username {

get { return labelUsername.Text; }

set { labelUsername.Text = value; }

}

public string Points {

get { return labelPoints.Text; }

set { labelPoints.Text = value; }

}

private string ImagePath {

get { return Path.Combine (DocumentsDirectory, Site.PreferencesPrefix + "gravatar.png"); }

}

private string CachePath {

get { return Path.Combine (DocumentsDirectory, Site.PreferencesPrefix + "cache.txt"); }

}

/// <summary>

/// Setup the button delegates

/// </summary>

public void WireUp ()

{

buttonUpdate.TouchDown += delegate {

buttonUpdate.Hidden = true;

buttonSafari.Hidden = true;

ScreenCapture ();

buttonUpdate.Hidden = false;

buttonSafari.Hidden = false;

};

buttonSafari.TouchDown += delegate { UIApplication.SharedApplication.OpenUrl (new NSUrl (String.Format (Site.ProfileUrl, Site.SiteId))); };

}

#region respond to shaking (OS3+)

// also requires you to put

// UIApplication.SharedApplication.ApplicationSupportsShakeToEdit = true;

// in Main.cs : FinishedLaunching()

public override bool CanBecomeFirstResponder {

get { return true; }

}

public override void ViewDidAppear (bool animated)

{

base.ViewDidAppear (animated);

this.BecomeFirstResponder ();

}

public override void ViewWillDisappear (bool animated)

{

this.ResignFirstResponder ();

base.ViewWillDisappear (animated);

}

public override void MotionEnded (UIEventSubtype motion, UIEvent evt)

{

Console.WriteLine ("Motion detected");

if (motion == UIEventSubtype.MotionShake) {

Console.WriteLine ("and was a shake");

labelLastUpdated.Text = "All shook up! Updating...";

// never appears

// Do your application-specific shake response here...

Update ();

}

}

#endregion

/// <summary>

/// Load data from txt file (cached from last webclient request)

/// </summary>

public bool LoadFromCache ()

{

bool loaded = false;

Console.WriteLine ("Loading from cache.txt");

try {

string cache = "";

if (File.Exists (CachePath)) {

cache = System.IO.File.ReadAllText (CachePath);

}

if (cache == "") {

labelConnectionError.Text = "Cache is empty. Shake to refresh data.";

labelUsername.Text = "";

labelPoints.Text = "";

labelGoldBadges.Text = "";

labelSilverBadges.Text = "";

labelBronzeBadges.Text = "";

textDebug.Text = "";

} else {

string[] cacheItems = cache.Split ('?');

labelUsername.Text = cacheItems[0];

labelPoints.Text = cacheItems[1];

labelGoldBadges.Text = cacheItems[2] + " gold badges";

labelSilverBadges.Text = cacheItems[3] + " silver badges";

labelBronzeBadges.Text = cacheItems[4] + " bronze badges";

//profileUrl = cacheItems[5];

labelLastUpdated.Text = cacheItems[6] + " from cache";

textDebug.Text = "";

// blank out, nothing loaded from the web

if (File.Exists (ImagePath)) {

UIImage img = UIImage.FromFileUncached (ImagePath);

// TODO: WHY didn't FromFile work, when FromFileUncached does?

if (img != null)

this.imageAvatar.Image = img;

}

loaded = true;

}

} catch (Exception ex) {

labelConnectionError.Text = "Cache is invalid. Shake to refresh data.";

labelUsername.Text = "";

labelPoints.Text = "";

labelGoldBadges.Text = "";

labelSilverBadges.Text = "";

labelBronzeBadges.Text = "";

textDebug.Text = "";

}

return loaded;

}

/// <summary>

/// Update this site data from the web, but downloading the flair, parsing

/// and saving in a cache text file

/// </summary>

public void Update ()

{

Console.WriteLine ("Loading from web " + Site.SiteId);

labelLastUpdated.Text = "Loading...";

// Download flair page

WebClient wc = new WebClient ();

Uri uri = new Uri (String.Format (Site.FlairUrl, Site.SiteId));

byte[] bytes = null;

try {

UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;

bytes = wc.DownloadData (uri);

} catch (Exception ex) {

Console.WriteLine ("Internet connection failed: " + ex.Message);

textDebug.Text = Environment.NewLine + "DOWNLOADDATA:" + Environment.NewLine + ex.Message;

labelLastUpdated.Text = "Internet connection failed: " + ex.Message;

labelConnectionError.Text = "Update failed: cannot connect to the Internet.";

return;

} finally {

UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;

}

// Parse flair HTML

try {

string result = Encoding.UTF8.GetString (bytes);

int startpos = result.IndexOf ("<a");

startpos = result.IndexOf ("href=", startpos) + 6;

int endpos = result.IndexOf ("\"", startpos);

string profileUrl = result.Substring (startpos, endpos - startpos);

startpos = result.IndexOf ("img src", endpos) + 9;

endpos = result.IndexOf ("\"", startpos);

// download image

string gravatarUrl = result.Substring (startpos, endpos - startpos);

uri = new Uri (gravatarUrl);

try {

Console.WriteLine ("wc.Download(" + uri + "," + ImagePath + ")");

wc.DownloadFile (uri, ImagePath);

} catch (Exception ex1) {

textDebug.Text += Environment.NewLine + "DOWNLOAD IMAGE:" + Environment.NewLine + gravatarUrl + Environment.NewLine + ImagePath + Environment.NewLine + ex1.Message;

}

// Parse the HTML

//HACK: yes this is a hack... HtmlAgilityPack would've been smarter.

startpos = result.IndexOf ("username", endpos);

startpos = result.IndexOf ("_blank", endpos) + 8;

endpos = result.IndexOf ("<", startpos);

string username = result.Substring (startpos, endpos - startpos);

labelUsername.Text = username;

startpos = result.IndexOf ("reputation score", endpos) + 18;

endpos = result.IndexOf ("<", startpos);

string points = result.Substring (startpos, endpos - startpos);

string goldBadges = "", silverBadges = "", bronzeBadges = "";

startpos = result.IndexOf ("gold badge", endpos);

if (startpos > 0) {

startpos--;

// remove preceding space

endpos = result.IndexOf ("\"", startpos - 10) + 1;

goldBadges = result.Substring (endpos, startpos - endpos);

Console.WriteLine (" " + goldBadges);

labelGoldBadges.Text = goldBadges + " gold badges";

}

startpos = result.IndexOf ("silver badge", endpos);

if (startpos > 0) {

startpos--;

// remove preceding space

endpos = result.IndexOf ("\"", startpos - 10) + 1;

silverBadges = result.Substring (endpos, startpos - endpos);

labelSilverBadges.Text = silverBadges + " silver badges";

}

startpos = result.IndexOf ("bronze badge", endpos);

if (startpos > 0) {

startpos--;

// remove preceding space

endpos = result.IndexOf ("\"", startpos - 10) + 1;

bronzeBadges = result.Substring (endpos, startpos - endpos);

labelBronzeBadges.Text = bronzeBadges + " bronze badges";

}

// load image from file into UIImage

try {

if (File.Exists (ImagePath)) {

//UIImage img = UIImage.FromFile (ImagePath); // WHY does this break???

UIImage img = UIImage.FromFileUncached (ImagePath);

// BUT this works???

if (img != null)

this.imageAvatar.Image = img;

} else {

textDebug.Text += Environment.NewLine + "UIIMAGE NOT EXIST:" + Environment.NewLine + ImagePath;

}

} catch (Exception ex2) {

textDebug.Text += Environment.NewLine + "FROM FILE: " + Environment.NewLine + ImagePath + Environment.NewLine + ex2.Message;

}

Console.WriteLine ("gold " + goldBadges);

Console.WriteLine ("silver " + silverBadges);

Console.WriteLine ("bronze " + bronzeBadges);

labelPoints.Text = points;

string dateUpdated = "Last updated " + DateTime.Now.ToString ("dd-MMM-yy hh:mm:ss");

labelLastUpdated.Text = dateUpdated;

string cache = String.Format ("{0}?{1}?{2}?{3}?{4}?{5}?{6}", username, points, goldBadges, silverBadges, bronzeBadges, profileUrl, dateUpdated);

System.IO.File.WriteAllText (CachePath, cache);

labelConnectionError.Text = "";

// blank out if we get to here without Exception

} catch (Exception ex) {

labelLastUpdated.Text = ex.Message;

textDebug.Text += Environment.NewLine + ex.Message;

}

}

/// <summary>

/// Capture a copy of the current View and:

/// * re-display in a UIImage control

/// * save to the Photos collection

/// * save to disk in the application's Documents folder

/// </summary>

public void ScreenCapture ()

{

Console.WriteLine ("start image cap");

Console.WriteLine ("frame" + this.View.Frame.Size);

UIGraphics.BeginImageContext (View.Frame.Size);

var documentsDirectory = Environment.GetFolderPath (Environment.SpecialFolder.Personal);

var ctx = UIGraphics.GetCurrentContext ();

if (ctx != null) {

Console.WriteLine ("ctx not null");

View.Layer.RenderInContext (ctx);

Console.WriteLine ("render in context");

UIImage img = UIGraphics.GetImageFromCurrentImageContext ();

Console.WriteLine ("get from current content");

UIGraphics.EndImageContext ();

// Set to display in a UIImage control _on_ the view

//imageLogo.Image = img;

// Save to Photos

img.SaveToPhotosAlbum ((sender, args) =>

{

Console.WriteLine ("image saved to Photos");

var av = new UIAlertView ("Screenshot saved", "Image saved to " + Environment.NewLine + "Photos : Camera Roll", null, "Ok thanks", null);

av.Show ();

});

// thought this "might" overwrite the splashscreen

//string png = Path.Combine (documentsDirectory, "../iSOFlair.app/Default.png");

// Save to application's Documents folder, kinda pointless except as an example

// since there is no way to "read" it

string png = Path.Combine (documentsDirectory, "Screenshot.png");

NSData imgData = img.AsPNG ();

NSError err = null;

if (imgData.Save (png, false, out err)) {

Console.WriteLine ("saved " + png);

} else {

Console.WriteLine ("not saved" + png + " because" + err.LocalizedDescription);

}

} else {

Console.WriteLine ("ctx null - doesn't happen but wasn't sure at first");

}

}

}