mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
|
|
/* 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/. */
|
|
|
|
#ifndef nsCUPSShim_h___
|
|
#define nsCUPSShim_h___
|
|
|
|
|
|
/* Various CUPS data types. We don't #include cups headers to avoid
|
|
* requiring CUPS to be installed on the build host (and to avoid having
|
|
* to test for CUPS in configure).
|
|
*/
|
|
typedef struct /**** Printer Options ****/
|
|
{
|
|
char *name; /* Name of option */
|
|
char *value; /* Value of option */
|
|
} cups_option_t;
|
|
|
|
typedef struct /**** Destination ****/
|
|
{
|
|
char *name, /* Printer or class name */
|
|
*instance; /* Local instance name or nullptr */
|
|
int is_default; /* Is this printer the default? */
|
|
int num_options; /* Number of options */
|
|
cups_option_t *options; /* Options */
|
|
} cups_dest_t;
|
|
|
|
typedef cups_dest_t* (*CupsGetDestType)(const char *printer,
|
|
const char *instance,
|
|
int num_dests,
|
|
cups_dest_t *dests);
|
|
typedef int (*CupsGetDestsType)(cups_dest_t **dests);
|
|
typedef int (*CupsFreeDestsType)(int num_dests,
|
|
cups_dest_t *dests);
|
|
typedef int (*CupsPrintFileType)(const char *printer,
|
|
const char *filename,
|
|
const char *title,
|
|
int num_options,
|
|
cups_option_t *options);
|
|
typedef int (*CupsTempFdType)(char *filename,
|
|
int length);
|
|
typedef int (*CupsAddOptionType)(const char *name,
|
|
const char *value,
|
|
int num_options,
|
|
cups_option_t **options);
|
|
|
|
struct PRLibrary;
|
|
|
|
/* Note: this class relies on static initialization. */
|
|
class nsCUPSShim {
|
|
public:
|
|
/**
|
|
* Initialize this object. Attempt to load the CUPS shared
|
|
* library and find function pointers for the supported
|
|
* functions (see below).
|
|
* @return false if the shared library could not be loaded, or if
|
|
* any of the functions could not be found.
|
|
* true for successful initialization.
|
|
*/
|
|
bool Init();
|
|
|
|
/**
|
|
* @return true if the object was initialized successfully.
|
|
* false otherwise.
|
|
*/
|
|
bool IsInitialized() { return nullptr != mCupsLib; }
|
|
|
|
/* Function pointers for supported functions. These are only
|
|
* valid after successful initialization.
|
|
*/
|
|
CupsAddOptionType mCupsAddOption;
|
|
CupsFreeDestsType mCupsFreeDests;
|
|
CupsGetDestType mCupsGetDest;
|
|
CupsGetDestsType mCupsGetDests;
|
|
CupsPrintFileType mCupsPrintFile;
|
|
CupsTempFdType mCupsTempFd;
|
|
|
|
private:
|
|
PRLibrary *mCupsLib;
|
|
};
|
|
|
|
|
|
|
|
#endif /* nsCUPSShim_h___ */
|