private void SaveCustomizedCssRules(GeckoStyleSheet userModifiedStyleSheet)
{
try
{
/* why are we bothering to walk through the rules instead of just copying the html of the style tag? Because that doesn't
* actually get updated when the javascript edits the stylesheets of the page. Well, the <style> tag gets created, but
* rules don't show up inside of it. So
* this won't work: _editDom.GetElementsByTagName("head")[0].InnerText = userModifiedStyleSheet.OwnerNode.OuterHtml;
*/
var styles = new StringBuilder();
styles.AppendLine("<style title='userModifiedStyles' type='text/css'>");
foreach (var cssRule in userModifiedStyleSheet.CssRules)
{
styles.AppendLine(cssRule.CssText);
}
styles.AppendLine("</style>");
Debug.WriteLine("*User Modified Stylesheet in browser:" + styles);
_pageEditDom.GetElementsByTagName("head")[0].InnerXml = styles.ToString();
}
catch (GeckoJavaScriptException jsex)
{
/* We are attempting to catch and ignore all JavaScript errors encountered here,
* specifically addEventListener errors and JSError (BL-279, BL-355, et al.).
*/
Logger.WriteEvent("GeckoJavaScriptException (" + jsex.Message + "). We're swallowing it but listing it here in the log.");
Debug.Fail("GeckoJavaScriptException(" + jsex.Message + "). In Release version, this would not show.");
}
}
public bool ShowPdf(string pdfFile)
{
#if !__MonoCS__
if (Settings.Default.UseAdobePdfViewer)
{
return(((AdobeReaderControl)_pdfViewerControl).ShowPdf(pdfFile));
}
#endif
var url = string.Format("{0}{1}?file=/bloom/{2}", Bloom.web.ServerBase.PathEndingInSlash,
FileLocator.GetFileDistributedWithApplication("pdf/web/viewer.html"), pdfFile);
var browser = ((GeckoWebBrowser)_pdfViewerControl);
browser.Navigate(url);
browser.DocumentCompleted += (sender, args) =>
{
// We want to suppress several of the buttons that the control normally shows.
// It's nice if we don't have to modify the html and related files, because they are unzipped from a package we install
// from a source I'm not sure we control, and installed into a directory we can't modify at runtime.
// A workaround is to tweak the stylesheet to hide them. The actual buttons (and two menu items) are easily
// hidden by ID.
// Unfortunately we're getting rid of a complete group in the pull-down menu, which leaves an ugly pair of
// adjacent separators. And the separators don't have IDs so we can't easily select just one to hide.
// Fortunately there are no other divs in the parent (besides the separator) so we just hide the second one.
// This is unfortunately rather fragile and may not do exactly what we want if the viewer.html file
// defining the pdfjs viewer changes.
GeckoStyleSheet stylesheet = browser.Document.StyleSheets.First();
stylesheet.CssRules.Add("#openFile, #print, #download, #viewBookmark, #pageRotateCw, #pageRotateCcw, #secondaryToolbarButtonContainer div:nth-of-type(2) {display: none}");
};
return(true);
}
public void GetCssRules_DoesNotThrowException()
{
GeckoStyleSheet styleSheet = _browser.Document.StyleSheets.First();
GeckoStyleSheet.StyleRuleCollection cssRules = null;
Assert.DoesNotThrow(() => { cssRules = styleSheet.CssRules; });
Assert.DoesNotThrow(() => { cssRules.Insert(0, "#blanc { color: white }"); });
Assert.DoesNotThrow(() => { cssRules.RemoveAt(0); });
Assert.DoesNotThrow(() => { cssRules.Clear(); });
}
public void OwnerNode()
{
_browser.Navigate("www.google.com");
_browser.NavigateFinishedNotifier.BlockUntilNavigationFinished();
GeckoStyleSheet styleSheet = _browser.Document.StyleSheets.First();
var ownerNode = styleSheet.OwnerNode;
Assert.AreEqual("STYLE", ownerNode.NodeName);
}
public void CssRules_Enumerate_DoesNotThrowException()
{
_browser.Navigate("www.google.com");
_browser.NavigateFinishedNotifier.BlockUntilNavigationFinished();
GeckoStyleSheet styleSheet = _browser.Document.StyleSheets.First();
foreach (var rule in styleSheet.CssRules)
{
Assert.NotNull(rule);
Assert.DoesNotThrow(() => { var unused = rule.CssText; });
Assert.DoesNotThrow(() => { var unused = rule.StyleCssText; });
}
}
private void SaveCustomizedCssRules(GeckoStyleSheet userModifiedStyleSheet)
{
try
{
/* why are we bothering to walk through the rules instead of just copying the html of the style tag? Because that doesn't
* actually get updated when the javascript edits the stylesheets of the page. Well, the <style> tag gets created, but
* rules don't show up inside of it. So
* this won't work: _editDom.GetElementsByTagName("head")[0].InnerText = userModifiedStyleSheet.OwnerNode.OuterHtml;
*/
var styles = new StringBuilder();
styles.AppendLine("<style title='userModifiedStyles' type='text/css'>");
foreach (var cssRule in userModifiedStyleSheet.CssRules)
{
styles.AppendLine(cssRule.CssText);
}
styles.AppendLine("</style>");
//Debug.WriteLine("*User Modified Stylesheet in browser:" + styles);
_pageEditDom.GetElementsByTagName("head")[0].InnerXml = styles.ToString();
}
catch (GeckoJavaScriptException jsex)
{
/* We are attempting to catch and ignore all JavaScript errors encountered here,
* specifically addEventListener errors and JSError (BL-279, BL-355, et al.).
*/
Logger.WriteEvent("GeckoJavaScriptException (" + jsex.Message + "). We're swallowing it but listing it here in the log.");
Debug.Fail("GeckoJavaScriptException(" + jsex.Message + "). In Release version, this would not show.");
}
}
public bool ShowPdf(string pdfFile)
{
_pdfPath = pdfFile;
#if !__MonoCS__
var arc = _pdfViewerControl as AdobeReaderControl;
if (arc != null) // We haven't yet had a problem displaying with Acrobat...
{
if (arc.ShowPdf(pdfFile))
{
return(true); // success using acrobat
}
// Acrobat not working (probably not installed). Switch to using Gecko to display PDF.
UpdatePdfViewer(new GeckoWebBrowser());
// and continue to show it using that.
}
#endif
// Escaping the filename twice for characters like # is needed in order to get the
// pdf filename through Geckofx/xulrunner to our local server on Linux. This is to
// prevent the filename from being cut short at the # character. As far as I can
// tell, Linux xulrunner strips one level of escaping on input, then before passing
// the query on to the localhost server it truncates the query portion at the first
// # it sees. The localhost processor expects one level of encoding, and we deal
// with having a # in the query (file path) there without any problem. You may
// regard this double escaping as a hack to get around the Linux xulrunner which
// behaves differently than the Windows xulrunner. It is an exception to the rule
// of matching EscapeCharsForHttp() with UnescapeCharsForHttp(). See a comment in
// https://jira.sil.org/browse/BL-951 for a description of the buggy program
// behavior without this hack.
var file = pdfFile;
if (SIL.PlatformUtilities.Platform.IsUnix)
{
file = file.EscapeCharsForHttp().EscapeCharsForHttp();
}
var url = string.Format("{0}{1}?file=/bloom/{2}",
Bloom.Api.ServerBase.ServerUrlWithBloomPrefixEndingInSlash,
FileLocator.GetFileDistributedWithApplication("pdf/web/viewer.html"),
file);
var browser = ((GeckoWebBrowser)_pdfViewerControl);
browser.Navigate(url);
browser.DocumentCompleted += (sender, args) =>
{
// We want to suppress several of the buttons that the control normally shows.
// It's nice if we don't have to modify the html and related files, because they are unzipped from a package we install
// from a source I'm not sure we control, and installed into a directory we can't modify at runtime.
// A workaround is to tweak the stylesheet to hide them. The actual buttons (and two menu items) are easily
// hidden by ID.
// Unfortunately we're getting rid of a complete group in the pull-down menu, which leaves an ugly pair of
// adjacent separators. And the separators don't have IDs so we can't easily select just one to hide.
// Fortunately there are no other divs in the parent (besides the separator) so we just hide the second one.
// This is unfortunately rather fragile and may not do exactly what we want if the viewer.html file
// defining the pdfjs viewer changes.
GeckoStyleSheet stylesheet = browser.Document.StyleSheets.First();
stylesheet.CssRules.Add("#toolbarViewerRight, #viewOutline, #viewAttachments, #viewThumbnail, #viewFind {display: none}");
stylesheet.CssRules.Add("#previous, #next, #pageNumberLabel, #pageNumber, #numPages {display: none}");
stylesheet.CssRules.Add("#toolbarViewerLeft .splitToolbarButtonSeparator {display: none}");
#if !__MonoCS__
if (!_haveShownAdobeReaderRecommendation)
{
_haveShownAdobeReaderRecommendation = true;
var message = LocalizationManager.GetString("PublishTab.Notifications.AdobeReaderRecommendation",
"This PDF viewer can be improved by installing the free Adobe Reader on this computer.");
RunJavaScript("toastr.remove();" +
"toastr.options = { 'positionClass': 'toast-bottom-right','timeOut': '15000'};" +
"toastr['info']('" + message + "')");
}
#endif
};
return(true);
}
