protected override bool GetShareContent(DataRequest request)
{
// Get the user's selection from the WebView. Since this is an asynchronous operation we need to acquire the deferral first.
DataRequestDeferral deferral = request.GetDeferral();
// Make sure to always call Complete when done with the deferral.
try
{
var requestDataOperation = ShareWebView.CaptureSelectedContentToDataPackageAsync();
requestDataOperation.Completed += (asyncInfo, status) =>
{
DataPackage requestData = asyncInfo.GetResults();
if ((requestData != null) && (requestData.GetView().AvailableFormats.Count > 0))
{
requestData.Properties.Title = "A web snippet for you";
requestData.Properties.Description = "HTML selection from a WebView control"; // The description is optional.
requestData.Properties.ContentSourceApplicationLink = ApplicationLink;
requestData.Properties.ContentSourceWebLink = new Uri("http://msdn.microsoft.com");
request.Data = requestData;
deferral.Complete();
}
else
{
// FailWithDisplayText calls Complete on the deferral.
request.FailWithDisplayText("Make a selection in the WebView control and try again.");
}
};
}
catch (Exception)
{
deferral.Complete();
}
// At this point, we haven't populated the data package yet. It's done asynchronously above.
return(false);
}
public ShareHtml()
{
this.InitializeComponent();
ShareWebView.Navigate(new Uri("http://msdn.microsoft.com"));
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
// It is recommended to only retrieve the ShareOperation object in the activation handler, return as
// quickly as possible, and retrieve all data from the share target asynchronously.
this.shareOperation = (ShareOperation)e.Parameter;
await Task.Factory.StartNew(async() =>
{
// Retrieve the data package properties.
this.sharedDataTitle = this.shareOperation.Data.Properties.Title;
this.sharedDataDescription = this.shareOperation.Data.Properties.Description;
this.sharedDataPackageFamilyName = this.shareOperation.Data.Properties.PackageFamilyName;
this.sharedDataContentSourceWebLink = this.shareOperation.Data.Properties.ContentSourceWebLink;
this.sharedDataContentSourceApplicationLink = this.shareOperation.Data.Properties.ContentSourceApplicationLink;
this.sharedDataLogoBackgroundColor = this.shareOperation.Data.Properties.LogoBackgroundColor;
this.sharedDataSquare30x30Logo = this.shareOperation.Data.Properties.Square30x30Logo;
this.sharedThumbnailStreamRef = this.shareOperation.Data.Properties.Thumbnail;
this.shareQuickLinkId = this.shareOperation.QuickLinkId;
// Retrieve the data package content.
// The GetWebLinkAsync(), GetTextAsync(), GetStorageItemsAsync(), etc. APIs will throw if there was an error retrieving the data from the source app.
// In this sample, we just display the error. It is recommended that a share target app handles these in a way appropriate for that particular app.
if (this.shareOperation.Data.Contains(StandardDataFormats.WebLink))
{
try
{
this.sharedWebLink = await this.shareOperation.Data.GetWebLinkAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetWebLinkAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(StandardDataFormats.ApplicationLink))
{
try
{
this.sharedApplicationLink = await this.shareOperation.Data.GetApplicationLinkAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetApplicationLinkAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(StandardDataFormats.Text))
{
try
{
this.sharedText = await this.shareOperation.Data.GetTextAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetTextAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(StandardDataFormats.StorageItems))
{
try
{
this.sharedStorageItems = await this.shareOperation.Data.GetStorageItemsAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetStorageItemsAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(dataFormatName))
{
try
{
this.sharedCustomData = await this.shareOperation.Data.GetTextAsync(dataFormatName);
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetTextAsync(" + dataFormatName + ") - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(StandardDataFormats.Html))
{
try
{
this.sharedHtmlFormat = await this.shareOperation.Data.GetHtmlFormatAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetHtmlFormatAsync - " + ex.Message, NotifyType.ErrorMessage);
}
try
{
this.sharedResourceMap = await this.shareOperation.Data.GetResourceMapAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetResourceMapAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.shareOperation.Data.Contains(StandardDataFormats.Bitmap))
{
try
{
this.sharedBitmapStreamRef = await this.shareOperation.Data.GetBitmapAsync();
}
catch (Exception ex)
{
NotifyUserBackgroundThread("Failed GetBitmapAsync - " + ex.Message, NotifyType.ErrorMessage);
}
}
// In this sample, we just display the shared data content.
// Get back to the UI thread using the dispatcher.
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
DataPackageTitle.Text = this.sharedDataTitle;
DataPackageDescription.Text = this.sharedDataDescription;
DataPackagePackageFamilyName.Text = this.sharedDataPackageFamilyName;
if (this.sharedDataContentSourceWebLink != null)
{
DataPackageContentSourceWebLink.Text = this.sharedDataContentSourceWebLink.AbsoluteUri;
}
if (this.sharedDataContentSourceApplicationLink != null)
{
DataPackageContentSourceApplicationLink.Text = this.sharedDataContentSourceApplicationLink.AbsoluteUri;
}
if (this.sharedDataSquare30x30Logo != null)
{
IRandomAccessStreamWithContentType logoStream = await this.sharedDataSquare30x30Logo.OpenReadAsync();
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(logoStream);
LogoHolder.Source = bitmapImage;
LogoBackground.Background = new SolidColorBrush(this.sharedDataLogoBackgroundColor);
LogoArea.Visibility = Visibility.Visible;
}
if (!String.IsNullOrEmpty(this.shareOperation.QuickLinkId))
{
SelectedQuickLinkId.Text = this.shareQuickLinkId;
}
if (this.sharedThumbnailStreamRef != null)
{
IRandomAccessStreamWithContentType thumbnailStream = await this.sharedThumbnailStreamRef.OpenReadAsync();
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(thumbnailStream);
ThumbnailHolder.Source = bitmapImage;
ThumbnailArea.Visibility = Visibility.Visible;
}
if (this.sharedWebLink != null)
{
AddContentValue("WebLink: ", this.sharedWebLink.AbsoluteUri);
}
if (this.sharedApplicationLink != null)
{
AddContentValue("ApplicationLink: ", this.sharedApplicationLink.AbsoluteUri);
}
if (this.sharedText != null)
{
AddContentValue("Text: ", this.sharedText);
}
if (this.sharedStorageItems != null)
{
// Display the name of the files being shared.
StringBuilder fileNames = new StringBuilder();
for (int index = 0; index < this.sharedStorageItems.Count; index++)
{
fileNames.Append(this.sharedStorageItems[index].Name);
if (index < this.sharedStorageItems.Count - 1)
{
fileNames.Append(", ");
}
}
fileNames.Append(".");
AddContentValue("StorageItems: ", fileNames.ToString());
}
if (this.sharedCustomData != null)
{
// This is an area to be especially careful parsing data from the source app to avoid buffer overruns.
// This sample doesn't perform data validation but will catch any exceptions thrown.
try
{
StringBuilder receivedStrings = new StringBuilder();
JsonObject customObject = JsonObject.Parse(this.sharedCustomData);
if (customObject.ContainsKey("type"))
{
if (customObject["type"].GetString() == "http://schema.org/Book")
{
// This sample expects the custom format to be of type http://schema.org/Book
receivedStrings.AppendLine("Type: " + customObject["type"].Stringify());
JsonObject properties = customObject["properties"].GetObject();
receivedStrings.AppendLine("Image: " + properties["image"].Stringify());
receivedStrings.AppendLine("Name: " + properties["name"].Stringify());
receivedStrings.AppendLine("Book Format: " + properties["bookFormat"].Stringify());
receivedStrings.AppendLine("Author: " + properties["author"].Stringify());
receivedStrings.AppendLine("Number of Pages: " + properties["numberOfPages"].Stringify());
receivedStrings.AppendLine("Publisher: " + properties["publisher"].Stringify());
receivedStrings.AppendLine("Date Published: " + properties["datePublished"].Stringify());
receivedStrings.AppendLine("In Language: " + properties["inLanguage"].Stringify());
receivedStrings.Append("ISBN: " + properties["isbn"].Stringify());
AddContentValue("Custom format data:" + Environment.NewLine, receivedStrings.ToString());
}
else
{
NotifyUser("The custom format from the source app is not of type http://schema.org/Book", NotifyType.ErrorMessage);
}
}
else
{
NotifyUser("The custom format from the source app doesn't contain a type", NotifyType.ErrorMessage);
}
}
catch (Exception ex)
{
NotifyUser("Failed to parse the custom data - " + ex.Message, NotifyType.ErrorMessage);
}
}
if (this.sharedHtmlFormat != null)
{
string htmlFragment = HtmlFormatHelper.GetStaticFragment(this.sharedHtmlFormat);
if (!String.IsNullOrEmpty(htmlFragment))
{
AddContentValue("HTML: ");
ShareWebView.Visibility = Visibility.Visible;
ShareWebView.NavigateToString("<html><body>" + htmlFragment + "</body></html>");
}
else
{
NotifyUser("GetStaticFragment failed to parse the HTML from the source app", NotifyType.ErrorMessage);
}
// Check if there are any local images in the resource map.
if (this.sharedResourceMap.Count > 0)
{
ResourceMapValue.Text = "";
foreach (KeyValuePair <string, RandomAccessStreamReference> item in this.sharedResourceMap)
{
ResourceMapValue.Text += "\nKey: " + item.Key;
}
ResourceMapArea.Visibility = Visibility.Visible;
}
}
if (this.sharedBitmapStreamRef != null)
{
IRandomAccessStreamWithContentType bitmapStream = await this.sharedBitmapStreamRef.OpenReadAsync();
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.SetSource(bitmapStream);
ImageHolder.Source = bitmapImage;
ImageArea.Visibility = Visibility.Visible;
}
});
});
}
