Silent print an embedded PDF

I have a web page with embedded PDF on it. My code looks like this:

<embed
    type="application/pdf"
    src="path_to_pdf_document.pdf"
    id="pdfDocument"
    width="100%"
    height="100%">
</embed>

I have this javascript code for print my PDF:

function printDocument(documentId) {

    //Wait until PDF is ready to print    
    if (typeof document.getElementById(documentId).print == 'undefined') {

        setTimeout(function(){printDocument(documentId);}, 1000);

    } else {

        var x = document.getElementById(documentId);
        x.print();
    }
}

When this code is executed Acrobat plug-in opens the well-known print dialog. Something like this:

Two questions:

How to improve the way to detect that PDF is loaded and ready for print?
How to avoid showing print dialog?

A little more info about my system:

OS: Windows XP

Browser: Internet Explorer 7

PDF Plugin: Acrobat Reader 9

You are not going to be able to print silently with plain old JavaScript. How would you like your printer to start printing out 100000000 pages of all black. Not a good thing. If you want to print silently and have it work for Internet Explorer only, there are ActiveX controls out there that can do it. This requires higher security settings for your page and for your users to really trust your site.

This is possible in a trusted, Intranet environment.

<object id="pdfDoc" style="position:absolute;z-index:-1;" name="pdfDoc" classid="clsid:CA8A9780-280D-11CF-A24D-444553540000" width="900px" height="100%">
        <param name="SRC" value="yourdoc.pdf" />
    </object>

<input type="button" ... onclick="pdfDoc.printAll();" />

This will bypass the print dialog and send directly to the default printer.

I wonder if you actually need to wait before printing -- won't the print job handle that for you? And I truly hope no modern browser will allow you (or any website for that matter) to print without that confirmation dialog (some old browsers used to do that, a long time ago).

mike

You can do this in Firefox by changing about:config. Add print.always_print_silent and set it to true.

来源：https://stackoverflow.com/questions/975652/silent-print-an-embedded-pdf

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