[Webkit-unassigned] [Bug 32719] New: Support Printing of NPAPI Plugins

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=32719

           Summary: Support Printing of NPAPI Plugins
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bfulgham at webkit.org


Printing of web pages currently bypasses plugins.  NPAPI-based pluging should
implement the NPP_Print function and render to the passed context directly.

Apparently, many plugins do not implement NPAPI which has led to various
attempts to support printing by taking screen shots of the region for print
purposes and ultimately this feature was left unimplemented.

As an initial step, I think the NPAPI NPP_Print functionality should be
expected of plugins that intend to display printed output.  If the function is
implemented WebKit should take advantage of it.  If not, the plugin should not
be printed.

Future refinements of this work could provide some kind of screen-grab fallback
for non-compliant plugins.

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