private void CheckSelf(cef_pdf_print_callback_t *self)
{
if (_self != self)
{
throw ExceptionBuilder.InvalidSelfReference();
}
}
private void on_pdf_print_finished(cef_pdf_print_callback_t *self, cef_string_t *path, int ok)
{
CheckSelf(self);
var m_path = cef_string_t.ToString(path);
OnPdfPrintFinished(m_path, ok != 0);
}
protected virtual void Dispose(bool disposing)
{
if (_self != null)
{
cef_pdf_print_callback_t.Free(_self);
_self = null;
}
}
private static unsafe void OnPdfPrintFinishedImpl(cef_pdf_print_callback_t *self, cef_string_t *path, int ok)
{
var instance = GetInstance((IntPtr)self) as CefPdfPrintCallback;
if (instance == null || ((ICefPdfPrintCallbackPrivate)instance).AvoidOnPdfPrintFinished())
{
return;
}
instance.OnPdfPrintFinished(CefString.Read(path), ok != 0);
}
public CefPdfPrintCallback()
{
cef_pdf_print_callback_t *self = this.NativeInstance;
#if NET_LESS_5_0
self->on_pdf_print_finished = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPdfPrintFinished);
#else
self->on_pdf_print_finished = (delegate * unmanaged[Stdcall] < cef_pdf_print_callback_t *, cef_string_t *, int, void >) & OnPdfPrintFinishedImpl;
#endif
}
private void add_ref(cef_pdf_print_callback_t *self)
{
lock (SyncRoot)
{
var result = ++_refct;
if (result == 1)
{
lock (_roots) { _roots.Add((IntPtr)_self, this); }
}
}
}
private int release(cef_pdf_print_callback_t *self)
{
lock (SyncRoot)
{
var result = --_refct;
if (result == 0)
{
lock (_roots) { _roots.Remove((IntPtr)_self); }
return(1);
}
return(0);
}
}
protected CefPdfPrintCallback()
{
_self = cef_pdf_print_callback_t.Alloc();
_ds0 = new cef_pdf_print_callback_t.add_ref_delegate(add_ref);
_self->_base._add_ref = Marshal.GetFunctionPointerForDelegate(_ds0);
_ds1 = new cef_pdf_print_callback_t.release_delegate(release);
_self->_base._release = Marshal.GetFunctionPointerForDelegate(_ds1);
_ds2 = new cef_pdf_print_callback_t.has_one_ref_delegate(has_one_ref);
_self->_base._has_one_ref = Marshal.GetFunctionPointerForDelegate(_ds2);
_ds3 = new cef_pdf_print_callback_t.on_pdf_print_finished_delegate(on_pdf_print_finished);
_self->_on_pdf_print_finished = Marshal.GetFunctionPointerForDelegate(_ds3);
}
internal static void Free(cef_pdf_print_callback_t *ptr)
{
Marshal.FreeHGlobal((IntPtr)ptr);
}
public CefPdfPrintCallback(cef_pdf_print_callback_t *instance)
: base((cef_base_ref_counted_t *)instance)
{
}
public CefPdfPrintCallback()
{
cef_pdf_print_callback_t *self = this.NativeInstance;
self->on_pdf_print_finished = (void *)Marshal.GetFunctionPointerForDelegate(fnOnPdfPrintFinished);
}
private int has_one_ref(cef_pdf_print_callback_t *self)
{
lock (SyncRoot) { return(_refct == 1 ? 1 : 0); }
}
public unsafe extern void PrintToPdf([Immutable] cef_string_t *path, [Immutable] cef_pdf_print_settings_t *settings, cef_pdf_print_callback_t *callback);
private int has_at_least_one_ref(cef_pdf_print_callback_t *self)
{
lock (SyncRoot) { return(_refct != 0 ? 1 : 0); }
}
private void on_pdf_print_finished(cef_pdf_print_callback_t *self, cef_string_t *path, int ok)
{
CheckSelf(self);
throw new NotImplementedException(); // TODO: CefPdfPrintCallback.OnPdfPrintFinished
}
/// <summary>
/// Print the current browser contents to the PDF file specified by |path| and
/// execute |callback| on completion. The caller is responsible for deleting
/// |path| when done. For PDF printing to work on Linux you must implement the
/// CefPrintHandler::GetPdfPaperSize method.
/// </summary>
public void PrintToPDF(cef_string_t *path, cef_pdf_print_settings_t *settings, cef_pdf_print_callback_t *callback)
{
throw new NotImplementedException(); // TODO: CefBrowserHost.PrintToPDF
}
