gecko-dev/gfx/public/nsIDeviceContextSpecFactory.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsIDeviceContextSpecFactory_h___
#define nsIDeviceContextSpecFactory_h___
#include "nsISupports.h"
class nsIDeviceContextSpec;
#define NS_IDEVICE_CONTEXT_SPEC_FACTORY_IID \
{ 0xf6669570, 0x7b3d, 0x11d2, \
{ 0xa8, 0x48, 0x00, 0x40, 0x95, 0x9a, 0x28, 0xc9 } }
class nsIDeviceContextSpecFactory : public nsISupports
{
public:
/**
* Initialize the device context spec factory
* @return error status
*/
NS_IMETHOD Init(void) = 0;
/**
* Get a device context specification. Typically, this
* means getting information about a printer. A previously
* returned device context spec can be passed in and used as
* a starting point for getting a new spec (or simply returning
* the old spec again). Additionally, if it is desirable to
* get the device context spec without user intervention, any
* dialog boxes can be supressed by passing in PR_TRUE for the
* aQuiet parameter.
* @param aOldSpec a previously obtained devince context spec which
* can be used to initialize parameters of the new context to
* be returned.
* @param aNewSpec out parameter for device context spec returned. the
* aOldSpec may be returned if the object is recyclable.
* @param aQuiet if PR_TRUE, prevent the need for user intervention
* in obtaining device context spec. if nsnull is passed in for
* the aOldSpec, this will typically result in getting a device
* context spec for the default output device (i.e. default
* printer).
* @return error status
*/
NS_IMETHOD CreateDeviceContextSpec(nsIDeviceContextSpec *aOldSpec,
nsIDeviceContextSpec *&aNewSpec,
PRBool aQuiet) = 0;
};
#endif