widget/nsIPrintSettingsWin.idl
author Bob Owen <bobowencode@gmail.com>
Fri, 22 Jan 2016 16:05:19 +0000
changeset 316372 e7d43e96b14cbd528b6b93342851d573d2c7eb73
parent 98529 f4157e8c410708d76703f19e4dfb61859bfe32d8
child 316373 fb4737474a9c50b44e0ec38e43d42ed8a119b7ee
permissions -rw-r--r--
Bug 1238964 Part 1: Hold new printable page sizes in print nsIPrintSettingsWin. r=jimm This also holds the resolution in the print settings, so that we can start to remove the access to the native Windows print devices in the child process.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

%{ C++
#include "windows.h"
%}

/**
 * Native types
 */
  [ptr] native nsDevMode(DEVMODEW);
  native nsHdc(HDC);

/**
 * Simplified PrintSettings for Windows interface 
 */
[scriptable, uuid(57c22cc1-311f-44c3-bb49-4d1cf411a3b5)]

interface nsIPrintSettingsWin : nsISupports
{
  /**
   * Data Members
   *
   * Each of these data members make a copy 
   * of the contents. If you get the value, 
   * you own the memory.
   *
   * The following three pieces of data are needed
   * to create a DC for printing. These are typcially 
   * gotten via the PrintDLG call ro can be obtained
   * via the "m_pd" data member of the CPrintDialog
   * in MFC.
   */
  [noscript] attribute wstring deviceName;
  [noscript] attribute wstring driverName;

  [noscript] attribute nsDevMode devMode;

  /**
   * On Windows we use the printable width and height for the printing surface.
   * We don't want to have to create native print device contexts in the content
   * process, so we need to store these in the settings.
   * Storing in Inches is most convenient as they are retrieved from the device
   * using fields which are in pixels and pixels per inch.
   * Note these are stored in portrait format to ensure that we can take account
   * of our own changes to the orientation print setting.
   */
  [noscript] attribute double printableWidthInInches;
  [noscript] attribute double printableHeightInInches;

  /**
   * Copy relevant print settings from native Windows device.
   *
   * @param hdc HDC to copy from
   */
  [notxpcom] void copyFromNative(in nsHdc hdc);
};