/// <summary>
/// Called to format print headers and footers. |printInfo| contains
/// platform- specific information about the printer context. |url| is
/// the URL if the currently printing page, |title| is the title of the
/// currently printing page, |currentPage| is the current page number and
/// |maxPages| is the total number of pages. Six default header locations
/// are provided by the implementation: top left, top center, top right,
/// bottom left, bottom center and bottom right. To use one of these
/// default locations just assign a string to the appropriate variable.
/// To draw the header and footer yourself return true. Otherwise,
/// populate the approprate variables and return false.
/// </summary>
private int get_print_header_footer(cef_print_handler_t* self, cef_browser_t* browser, cef_frame_t* frame, /*const*/ cef_print_info_t* printInfo, /*const*/ cef_string_t* url, /*const*/ cef_string_t* title, int currentPage, int maxPages, cef_string_t* topLeft, cef_string_t* topCenter, cef_string_t* topRight, cef_string_t* bottomLeft, cef_string_t* bottomCenter, cef_string_t* bottomRight)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_frame = CefFrame.From(frame);
var m_printInfo = CefPrintInfo.From(printInfo);
var m_url = cef_string_t.ToString(url);
var m_title = cef_string_t.ToString(title);
var m_topLeft = cef_string_t.ToString(topLeft);
var m_topCenter = cef_string_t.ToString(topCenter);
var m_topRight = cef_string_t.ToString(topRight);
var m_bottomLeft = cef_string_t.ToString(bottomLeft);
var m_bottomCenter = cef_string_t.ToString(bottomCenter);
var m_bottomRight = cef_string_t.ToString(bottomRight);
var o_topLeft = m_topLeft;
var o_topCenter = m_topCenter;
var o_topRight = m_topRight;
var o_bottomLeft = m_bottomLeft;
var o_bottomCenter = m_bottomCenter;
var o_bottomRight = m_bottomRight;
var handled = this.GetPrintHeaderFooter(m_browser, m_frame,
m_printInfo, m_url, m_title, currentPage, maxPages,
ref m_topLeft, ref m_topCenter, ref m_topRight,
ref m_bottomLeft, ref m_bottomCenter, ref m_bottomRight);
m_printInfo.Dispose();
if (!handled)
{
if ((object)m_topLeft != (object)o_topLeft) cef_string_t.Copy(m_topLeft, topLeft);
if ((object)m_topCenter != (object)o_topCenter) cef_string_t.Copy(m_topCenter, topCenter);
if ((object)m_topRight != (object)o_topRight) cef_string_t.Copy(m_topRight, topRight);
if ((object)m_bottomLeft != (object)o_bottomLeft) cef_string_t.Copy(m_bottomLeft, bottomLeft);
if ((object)m_bottomCenter != (object)o_bottomCenter) cef_string_t.Copy(m_bottomCenter, bottomCenter);
if ((object)m_bottomRight != (object)o_bottomRight) cef_string_t.Copy(m_bottomRight, bottomRight);
}
return handled ? 1 : 0;
}
/// <summary>
/// Called to allow customization of standard print options before the
/// print dialog is displayed. |printOptions| allows specification of
/// paper size, orientation and margins. Note that the specified margins
/// may be adjusted if they are outside the range supported by the
/// printer. All units are in inches. Return false to display the default
/// print options or true to display the modified |printOptions|.
/// </summary>
private int get_print_options(cef_print_handler_t* self, cef_browser_t* browser, cef_print_options_t* printOptions)
{
ThrowIfObjectDisposed();
var m_browser = CefBrowser.From(browser);
var m_printOptions = CefPrintOptions.From(printOptions);
var handled = this.GetPrintOptions(m_browser, m_printOptions);
m_printOptions.Dispose();
return handled ? 1 : 0;
}
