public override UICollectionViewCell GetCell(UICollectionView collectionView, NSIndexPath indexPath)
{
var cell = (PageCell)collectionView.DequeueReusableCell(cellID, indexPath);
var page = list[indexPath.Row];
if (page != null)
{
cell.PageID = page.ID;
if (page.ID != StringRef.Empty || page.ChapterID != StringRef.Empty)
{
String url = DownloadedFilesCache.BuildCachedFilePath(page.URL);
if (!String.IsNullOrEmpty(url))
{
CGPDFDocument pdfDoc = CGPDFDocument.FromFile(url);
if (pdfDoc != null)
{
CGPDFPage pdfPage = pdfDoc.GetPage(1);
UIImage image = ImageHelper.PDF2Image(pdfPage, 150, UIScreen.MainScreen.Scale);
// THIS IS REQUIRED TO SKIP iCLOUD BACKUP
SkipBackup2iCloud.SetAttribute(url);
if (image != null)
{
cell.Image = image;
}
}
}
}
}
return cell;
}
void RequestFinish(NSObject sender)
{
try
{
ASIHTTPRequest request = sender as ASIHTTPRequest;
if (request != null)
{
// THIS IS REQUIRED TO SKIP iCLOUD BACKUP
SkipBackup2iCloud.SetAttribute(request.DownloadDestinationPath);
if (dataSource != null)
{
dataSource.UpdateImage(request.Url.AbsoluteString);
}
if (boc != null)
{
boc.UpdateCover(request.Url.AbsoluteString);
}
}
}
catch (Exception ex)
{
Logger.WriteLineDebugging("LibraryViewController - RequestFinish: {0}", ex.ToString());
}
}
public static void RequestDidFinish(NSObject sender)
{
try
{
ASIHTTPRequest request = sender as ASIHTTPRequest;
if (request != null)
{
// THIS IS REQUIRED TO SKIP iCLOUD BACKUP
SkipBackup2iCloud.SetAttribute(request.DownloadDestinationPath);
// Removed from the list if succeeded re-downloading
if (CurrentBook.FailedURLs != null)
{
if (CurrentBook.FailedURLs.Contains(request.Url.AbsoluteString))
{
CurrentBook.FailedURLs.Remove(request.Url.AbsoluteString);
}
}
CurrentBook.DownloadCount += 1;
DownloadReporter.UpdateProgress();
}
}
catch (Exception ex)
{
Logger.WriteLineDebugging("BookUpdater - RequestDidFinish: {0}", ex.ToString());
}
}
private void GenerateThumbnail(String bookID, String pageID, String text, bool bookmark = false)
{
try
{
// activityIndicator
UIActivityIndicatorView activityIndicator = new UIActivityIndicatorView();
activityIndicator.ActivityIndicatorViewStyle = UIActivityIndicatorViewStyle.White;
activityIndicator.StartAnimating();
activityIndicator.HidesWhenStopped = true;
activityIndicator.Frame = new RectangleF((this.Frame.Width / 2) - 10, (this.Frame.Height / 2) - 10, 20, 20);
this.AddSubview(activityIndicator);
// Generate pdf thumbnail
Page page = null;
Annotation annotation = null;
BackgroundWorker worker = new BackgroundWorker();
worker.DoWork += delegate
{
page = BooksOnDeviceAccessor.GetPage(bookID, pageID);
if (String.IsNullOrEmpty(text))
{
annotation = BooksOnDeviceAccessor.GetAnnotation(bookID, pageID);
}
};
worker.RunWorkerCompleted += delegate
{
this.InvokeOnMainThread(delegate
{
activityIndicator.StopAnimating();
if (page != null)
{
String localPath = DownloadedFilesCache.BuildCachedFilePath(page.URL);
if (!String.IsNullOrEmpty(localPath))
{
CGPDFDocument pdfDoc = CGPDFDocument.FromFile(localPath);
if (pdfDoc != null)
{
CGPDFPage pdfPage = pdfDoc.GetPage(1);
if (pdfPage != null)
{
UIImage pdfImg = PDFConverter.Transform2Image(pdfPage, this.Frame.Width);
// pageView
UIImageView pageView = new UIImageView();
pageView.Frame = new RectangleF(0, (this.Frame.Height / 2) - (pdfImg.Size.Height / 2), pdfImg.Size.Width, pdfImg.Size.Height);
// If this is annotation thumbnail, draw annotation overlay on top of pdf
if (annotation != null)
{
Dictionary <String, PSPDFInkAnnotation> dictionary = AnnotationsDataAccessor.GenerateAnnDictionary((UInt32)page.PageNumber - 1, annotation);
if (dictionary != null)
{
foreach (KeyValuePair <String, PSPDFInkAnnotation> item in dictionary)
{
// Create full size annotation
UIImage annImg = DrawAnnotation(item.Key, item.Value);
if (annImg != null)
{
// Scale down the annotation image
annImg = annImg.Scale(new SizeF(pdfImg.Size.Width, pdfImg.Size.Height));
// Overlap pdfImg and annImg
pdfImg = Overlap(pdfImg, annImg);
}
}
}
}
pageView.Image = pdfImg;
this.AddSubview(pageView);
// THIS IS REQUIRED TO SKIP iCLOUD BACKUP
SkipBackup2iCloud.SetAttribute(localPath);
// Add ribbon if this is bookmark thumbnail
if (bookmark)
{
UIImageView ribbon = new UIImageView();
ribbon.Image = UIImage.FromBundle("Assets/Buttons/bookmark_solid.png");
ribbon.Frame = new RectangleF(pageView.Frame.Right - 35, pageView.Frame.Y, 25, 33.78f);
this.AddSubview(ribbon);
}
// Do not add text if this is annotation thumbnail
if (!String.IsNullOrEmpty(text))
{
// titleLabel
UILabel titleLabel = new UILabel();
titleLabel.Frame = new RectangleF(0, pageView.Frame.Bottom + 4, this.Frame.Width, 42);
titleLabel.Font = UIFont.SystemFontOfSize(16f);
titleLabel.BackgroundColor = UIColor.Clear;
titleLabel.TextColor = eBriefingAppearance.DarkGrayColor;
titleLabel.Lines = 2;
titleLabel.LineBreakMode = UILineBreakMode.TailTruncation;
titleLabel.TextAlignment = UITextAlignment.Center;
titleLabel.Text = text;
this.AddSubview(titleLabel);
}
}
}
}
}
});
};
worker.RunWorkerAsync();
}
catch (Exception ex)
{
Logger.WriteLineDebugging("ThumbnailView - GenerateThumbnail: {0}", ex.ToString());
}
}
async private void GenerateThumbnail(String bookID, String pageID, String text, bool bookmark = false)
{
try
{
// spinner
RTSpinKitView spinner = eBriefingAppearance.GenerateBounceSpinner();
spinner.Center = this.Center;
this.AddSubview(spinner);
// Generate pdf thumbnail
Page page = await eBriefingService.Run(() => BooksOnDeviceAccessor.GetPage(bookID, pageID));
Annotation annotation = null;
if (String.IsNullOrEmpty(text))
{
annotation = await eBriefingService.Run(() => BooksOnDeviceAccessor.GetAnnotation(bookID, pageID));
}
spinner.StopAnimating();
if (page != null)
{
String localPath = DownloadedFilesCache.BuildCachedFilePath(page.URL);
if (!String.IsNullOrEmpty(localPath))
{
CGPDFDocument pdfDoc = CGPDFDocument.FromFile(localPath);
if (pdfDoc != null)
{
CGPDFPage pdfPage = pdfDoc.GetPage(1);
if (pdfPage != null)
{
UIImage pdfImg = ImageHelper.PDF2Image(pdfPage, this.Frame.Width, UIScreen.MainScreen.Scale);
// pageView
UIImageView pageView = new UIImageView();
pageView.Frame = new CGRect(0, (this.Frame.Height / 2) - (pdfImg.Size.Height / 2), pdfImg.Size.Width, pdfImg.Size.Height);
// If this is annotation thumbnail, draw annotation overlay on top of pdf
if (annotation != null)
{
Dictionary <String, PSPDFInkAnnotation> dictionary = AnnotationsDataAccessor.GenerateAnnDictionary((nuint)page.PageNumber - 1, annotation);
if (dictionary != null)
{
foreach (KeyValuePair <String, PSPDFInkAnnotation> item in dictionary)
{
// Create full size annotation
UIImage annImg = ImageHelper.DrawPSPDFAnnotation(item.Key, item.Value);
if (annImg != null)
{
// Scale down the annotation image
annImg = annImg.Scale(new CGSize(pdfImg.Size.Width, pdfImg.Size.Height));
// Overlap pdfImg and annImg
pdfImg = ImageHelper.Overlap(pdfImg, annImg, CGPoint.Empty, CGPoint.Empty, UIScreen.MainScreen.Scale);
}
}
}
}
pageView.Image = pdfImg;
this.AddSubview(pageView);
if (pdfImg.Size.Height < this.Frame.Height)
{
this.BackgroundColor = UIColor.Clear;
}
// THIS IS REQUIRED TO SKIP iCLOUD BACKUP
SkipBackup2iCloud.SetAttribute(localPath);
// Add ribbon if this is bookmark thumbnail
if (bookmark)
{
UIImageView ribbon = new UIImageView();
ribbon.Image = UIImage.FromBundle("Assets/Buttons/bookmark_solid.png");
ribbon.Frame = new CGRect(pageView.Frame.Right - 35, pageView.Frame.Y, 25, 33.78f);
this.AddSubview(ribbon);
}
// Do not add text if this is annotation thumbnail
if (!String.IsNullOrEmpty(text))
{
// titleLabel
UILabel titleLabel = eBriefingAppearance.GenerateLabel(16);
titleLabel.Frame = new CGRect(0, pageView.Frame.Bottom + 4, this.Frame.Width, 42);
titleLabel.Lines = 2;
titleLabel.LineBreakMode = UILineBreakMode.TailTruncation;
titleLabel.TextAlignment = UITextAlignment.Center;
titleLabel.Text = text;
this.AddSubview(titleLabel);
}
}
}
}
}
}
catch (Exception ex)
{
Logger.WriteLineDebugging("ThumbnailView - GenerateThumbnail: {0}", ex.ToString());
}
}
