Package org.cef.handler

Interface CefPrintHandler

  • All Superinterfaces:
    CefNative
    All Known Implementing Classes:
    CefPrintHandlerAdapter
    public interface CefPrintHandler
extends CefNative
    Implement this interface to handle printing on Linux. The methods of this class will be called on the browser process UI thread.

    • Method Detail

      • onPrintStart

        void onPrintStart​(CefBrowser browser)
        Called when printing has started. This method will be called before the other onPrint*() methods and irrespective of how printing was initiated (e.g. CefBrowser::print(), JavaScript window.print() or PDF extension print button).
        Parameters:
        browser - The corresponding browser.

      • onPrintSettings

        void onPrintSettings​(CefBrowser browser,
                     CefPrintSettings settings,
                     boolean getDefaults)
        Called to get print settings.
        Parameters:
        browser - The corresponding browser.
        settings - Populate with the desired print settings. Do not keep a reference to this object outside of this callback.
        getDefaults - If true |settings| should be populated with the default print settings.

      • onPrintDialog

        boolean onPrintDialog​(CefBrowser browser,
                      boolean hasSelection,
                      CefPrintDialogCallback callback)
        Called to show the print dialog.
        Parameters:
        browser - The corresponding browser.
        hasSelection - True if the user has selected a region of the page to print.
        callback - Callback to execute after the dialog is dismissed.
        Returns:
        True if the dialog will be displayed or false to cancel the printing immediately.

      • onPrintJob

        boolean onPrintJob​(CefBrowser browser,
                   java.lang.String documentName,
                   java.lang.String pdfFilePath,
                   CefPrintJobCallback callback)
        Called to send the print job to the printer.
        Parameters:
        browser - The corresponding browser.
        documentName - Name of the document that is printing.
        pdfFilePath - Path to the PDF file that contains the document contents.
        callback - Callback to execute after the print job has completed.
        Returns:
        True if the job will proceed or false to cancel the printing immediately.

      • onPrintReset

        void onPrintReset​(CefBrowser browser)
        Called to reset client state related to printing.
        Parameters:
        browser - The corresponding browser.

      • getPdfPaperSize

        java.awt.Dimension getPdfPaperSize​(int deviceUnitsPerInch)
        Called to retrieve the page size when printToPDF is requested for a browser.
        Parameters:
        deviceUnitsPerInch - The DPI of the print. Use this to calculate the page size to use.
        Returns:
        The page size in microns.