widget/gtk/nsCUPSShim.h@6474c204b198
widget/gtk/nsCUPSShim.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /* ex: set tabstop=8 softtabstop=4 shiftwidth=4 expandtab: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 #ifndef nsCUPSShim_h___
8 #define nsCUPSShim_h___
11 /* Various CUPS data types. We don't #include cups headers to avoid
12 * requiring CUPS to be installed on the build host (and to avoid having
13 * to test for CUPS in configure).
14 */
15 typedef struct /**** Printer Options ****/
16 {
17 char *name; /* Name of option */
18 char *value; /* Value of option */
19 } cups_option_t;
21 typedef struct /**** Destination ****/
22 {
23 char *name, /* Printer or class name */
24 *instance; /* Local instance name or nullptr */
25 int is_default; /* Is this printer the default? */
26 int num_options; /* Number of options */
27 cups_option_t *options; /* Options */
28 } cups_dest_t;
30 typedef cups_dest_t* (*CupsGetDestType)(const char *printer,
31 const char *instance,
32 int num_dests,
33 cups_dest_t *dests);
34 typedef int (*CupsGetDestsType)(cups_dest_t **dests);
35 typedef int (*CupsFreeDestsType)(int num_dests,
36 cups_dest_t *dests);
37 typedef int (*CupsPrintFileType)(const char *printer,
38 const char *filename,
39 const char *title,
40 int num_options,
41 cups_option_t *options);
42 typedef int (*CupsTempFdType)(char *filename,
43 int length);
44 typedef int (*CupsAddOptionType)(const char *name,
45 const char *value,
46 int num_options,
47 cups_option_t **options);
49 struct PRLibrary;
51 /* Note: this class relies on static initialization. */
52 class nsCUPSShim {
53 public:
54 /**
55 * Initialize this object. Attempt to load the CUPS shared
56 * library and find function pointers for the supported
57 * functions (see below).
58 * @return false if the shared library could not be loaded, or if
59 * any of the functions could not be found.
60 * true for successful initialization.
61 */
62 bool Init();
64 /**
65 * @return true if the object was initialized successfully.
66 * false otherwise.
67 */
68 bool IsInitialized() { return nullptr != mCupsLib; }
70 /* Function pointers for supported functions. These are only
71 * valid after successful initialization.
72 */
73 CupsAddOptionType mCupsAddOption;
74 CupsFreeDestsType mCupsFreeDests;
75 CupsGetDestType mCupsGetDest;
76 CupsGetDestsType mCupsGetDests;
77 CupsPrintFileType mCupsPrintFile;
78 CupsTempFdType mCupsTempFd;
80 private:
81 PRLibrary *mCupsLib;
82 };
86 #endif /* nsCUPSShim_h___ */
