//-------------------------------------------------------------------
//
// Protected Methods
//
//-------------------------------------------------------------------
#region Protected Methods
/// <summary>
/// Override for subclasses that wish to add logic when this event is fired.
/// </summary>
/// <param name="e">Event arguments for the GetPageCompleted event.</param>
protected virtual void OnGetPageCompleted(GetPageCompletedEventArgs e)
{
if (this.GetPageCompleted != null)
{
this.GetPageCompleted(this, e);
}
}
// Callback from inner IDP.GetPageAsync
private void _OnGetPageCompleted(object sender, GetPageCompletedEventArgs args)
{
DocumentsTrace.FixedDocumentSequence.IDF.Trace(string.Format("_OnGetPageCompleted"));
// this job is complete
GetPageAsyncRequest completedRequest = (GetPageAsyncRequest)args.UserState;
_pendingPages.Remove(completedRequest.Page);
// wrap the returned result into FixedDocumentSequenceDocumentPage
DocumentPage sdp = DocumentPage.Missing;
int pageNumber = completedRequest.Page.PageNumber;
if (!args.Cancelled && (args.Error == null) && (args.DocumentPage != DocumentPage.Missing))
{
sdp = new FixedDocumentSequenceDocumentPage(this, (DynamicDocumentPaginator)sender, args.DocumentPage);
_SynthesizeGlobalPageNumber((DynamicDocumentPaginator)sender, args.PageNumber, out pageNumber);
}
if (!args.Cancelled)
{
// Notify all outstanding request for this particular page
ArrayList notificationList = new ArrayList();
IEnumerator <KeyValuePair <Object, GetPageAsyncRequest> > ienum = _asyncOps.GetEnumerator();
try
{
while (ienum.MoveNext())
{
GetPageAsyncRequest asyncRequest = ienum.Current.Value;
// Process any outstanding request for this PageContent
if (completedRequest.Page.Equals(asyncRequest.Page))
{
notificationList.Add(ienum.Current.Key);
// this could throw depending on event handlers that are added
_NotifyGetPageAsyncCompleted(sdp, pageNumber, args.Error, asyncRequest.Cancelled, asyncRequest.UserState);
}
}
}
finally
{
// Remove completed requests from current async ops list
foreach (Object userState in notificationList)
{
_asyncOps.Remove(userState);
}
}
}
}
// Token: 0x06002B93 RID: 11155 RVA: 0x000C6EF0 File Offset: 0x000C50F0
private void _OnGetPageCompleted(object sender, GetPageCompletedEventArgs args)
{
FixedDocumentSequence.GetPageAsyncRequest getPageAsyncRequest = (FixedDocumentSequence.GetPageAsyncRequest)args.UserState;
this._pendingPages.Remove(getPageAsyncRequest.Page);
DocumentPage page = DocumentPage.Missing;
int pageNumber = getPageAsyncRequest.Page.PageNumber;
if (!args.Cancelled && args.Error == null && args.DocumentPage != DocumentPage.Missing)
{
page = new FixedDocumentSequenceDocumentPage(this, (DynamicDocumentPaginator)sender, args.DocumentPage);
this._SynthesizeGlobalPageNumber((DynamicDocumentPaginator)sender, args.PageNumber, out pageNumber);
}
if (!args.Cancelled)
{
ArrayList arrayList = new ArrayList();
IEnumerator <KeyValuePair <object, FixedDocumentSequence.GetPageAsyncRequest> > enumerator = this._asyncOps.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
KeyValuePair <object, FixedDocumentSequence.GetPageAsyncRequest> keyValuePair = enumerator.Current;
FixedDocumentSequence.GetPageAsyncRequest value = keyValuePair.Value;
if (getPageAsyncRequest.Page.Equals(value.Page))
{
ArrayList arrayList2 = arrayList;
keyValuePair = enumerator.Current;
arrayList2.Add(keyValuePair.Key);
this._NotifyGetPageAsyncCompleted(page, pageNumber, args.Error, value.Cancelled, value.UserState);
}
}
}
finally
{
foreach (object key in arrayList)
{
this._asyncOps.Remove(key);
}
}
}
}
/// <summary>
/// Fire event after a page has been completed
/// </summary>
/// <param name="ea">GetPageCompletedEventArgs</param>
public void FireEventGetPageCompleted(GetPageCompletedEventArgs ea)
{
if (GetPageCompleted != null) GetPageCompleted(this, ea);
}
private void DocumentPaginator_GetPageCompleted(object sender, GetPageCompletedEventArgs e)
{
OnPropertyChanged(() => TotalPageNumber);
}
//-----------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
/// <summary>
/// We are being notified by the wrapped paginator. If getting the page
/// was successful, we use the resulting page to produce a new page that
/// includes annotatons. In either case, we fire an event from this instance.
/// </summary>
/// <param name="sender">source of the event</param>
/// <param name="e">the args for this event</param>
private void HandleGetPageCompleted(object sender, GetPageCompletedEventArgs e)
{
// If no errors, not cancelled, and page isn't missing, create a new page
// with annotations and create a new event args for that page.
if (!e.Cancelled && e.Error == null && e.DocumentPage != DocumentPage.Missing)
{
// Since we can't change the page the args is holding we create a new
// args object with the page we produce.
DocumentPage documentPage = ComposePageWithAnnotationVisuals(e.PageNumber, e.DocumentPage);
e = new GetPageCompletedEventArgs(documentPage, e.PageNumber, e.Error, e.Cancelled, e.UserState);
}
// Fire the event
OnGetPageCompleted(e);
}
//-------------------------------------------------------------------
//
// Internal Methods
//
//-------------------------------------------------------------------
#region Internal Methods
internal void NotifyGetPageCompleted(GetPageCompletedEventArgs e)
{
OnGetPageCompleted(e);
}
protected virtual new void OnGetPageCompleted(GetPageCompletedEventArgs e)
{
}
// Callback from inner IDP.GetPageAsync
private void _OnGetPageCompleted(object sender, GetPageCompletedEventArgs args)
{
DocumentsTrace.FixedDocumentSequence.IDF.Trace(string.Format("_OnGetPageCompleted"));
// this job is complete
GetPageAsyncRequest completedRequest = (GetPageAsyncRequest)args.UserState;
_pendingPages.Remove(completedRequest.Page);
// wrap the returned result into FixedDocumentSequenceDocumentPage
DocumentPage sdp = DocumentPage.Missing;
int pageNumber = completedRequest.Page.PageNumber;
if (!args.Cancelled && (args.Error == null) && (args.DocumentPage != DocumentPage.Missing))
{
sdp = new FixedDocumentSequenceDocumentPage(this, (DynamicDocumentPaginator)sender, args.DocumentPage);
_SynthesizeGlobalPageNumber((DynamicDocumentPaginator)sender, args.PageNumber, out pageNumber);
}
if (!args.Cancelled)
{
// Notify all outstanding request for this particular page
ArrayList notificationList = new ArrayList();
IEnumerator<KeyValuePair<Object, GetPageAsyncRequest>> ienum = _asyncOps.GetEnumerator();
try
{
while (ienum.MoveNext())
{
GetPageAsyncRequest asyncRequest = ienum.Current.Value;
// Process any outstanding request for this PageContent
if (completedRequest.Page.Equals(asyncRequest.Page))
{
notificationList.Add(ienum.Current.Key);
// this could throw depending on event handlers that are added
_NotifyGetPageAsyncCompleted(sdp, pageNumber, args.Error, asyncRequest.Cancelled, asyncRequest.UserState);
}
}
}
finally
{
// Remove completed requests from current async ops list
foreach (Object userState in notificationList)
{
_asyncOps.Remove(userState);
}
}
}
}
/// <summary>
/// Handles the GetPageCompleted event raised by the DocumentPaginator.
/// At this point, we'll set the _loaded flag to indicate the page is loaded
/// and fire the PageLoaded event.
/// </summary>
/// <param name="sender">Source of the event.</param>
/// <param name="e">Details about this event.</param>
private void OnGetPageCompleted(object sender, GetPageCompletedEventArgs e)
{
//If the GetPageCompleted action completed successfully
//and is our page then we'll set the flag and fire the event.
if (!_disposed &&
e != null &&
!e.Cancelled &&
e.Error == null &&
e.PageNumber != int.MaxValue &&
e.PageNumber == this.PageNumber &&
e.DocumentPage != null &&
e.DocumentPage != DocumentPage.Missing)
{
_loaded = true;
if (PageLoaded != null)
{
PageLoaded(this, EventArgs.Empty);
}
}
}
//-------------------------------------------------------------------
//
// Protected Methods
//
//-------------------------------------------------------------------
#region Protected Methods
/// <summary>
/// Override for subclasses that wish to add logic when this event is fired.
/// </summary>
/// <param name="e">Event arguments for the GetPageCompleted event.</param>
protected virtual void OnGetPageCompleted(GetPageCompletedEventArgs e)
{
if (this.GetPageCompleted != null)
{
this.GetPageCompleted(this, e);
}
}
/// <summary>
/// Handler for the GetPageCompleted event fired by the DocumentPaginator.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnGetPageCompleted(object sender, GetPageCompletedEventArgs args)
{
if (!args.Cancelled && args.Error == null && args.DocumentPage != DocumentPage.Missing)
{
//Add the page to the Watcher so we can determine if the page has been
//destroyed in our Delegate.
_pageDestroyedWatcher.AddPage(args.DocumentPage);
//Since handling the GetPageCompleted event entails a bit of work, we'll
//have our dispatcher call the GetPageCompletedDelegate at Normal priority.
Dispatcher.CurrentDispatcher.BeginInvoke(DispatcherPriority.Normal,
new DispatcherOperationCallback(GetPageCompletedDelegate), args);
}
}
/// <summary>
/// Handles GetPageCompleted event raised by the DocumentPaginator.
/// </summary>
/// <param name="sender">Source of the event.</param>
/// <param name="e">Details about this event.</param>
private void HandleGetPageCompleted(object sender, GetPageCompletedEventArgs e)
{
if (!_disposed && (e != null) && !e.Cancelled && e.Error == null)
{
if (e.PageNumber == this.PageNumber && e.UserState == this)
{
if (_documentPageAsync != null && _documentPageAsync != DocumentPage.Missing)
{
_documentPageAsync.PageDestroyed -= new EventHandler(HandleAsyncPageDestroyed);
}
_documentPageAsync = e.DocumentPage;
if (_documentPageAsync == null)
{
_documentPageAsync = DocumentPage.Missing;
}
if (_documentPageAsync != DocumentPage.Missing)
{
_documentPageAsync.PageDestroyed += new EventHandler(HandleAsyncPageDestroyed);
}
InvalidateMeasure();
}
// else; the page is not ours
}
}
protected virtual new void OnGetPageCompleted(GetPageCompletedEventArgs e)
{
}
