1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "printing/printing_features.h"
#include "build/build_config.h"
#include "printing/buildflags/buildflags.h"
#if BUILDFLAG(ENABLE_OOP_PRINTING)
#include "base/metrics/field_trial_params.h"
#endif
namespace printing::features {
#if BUILDFLAG(IS_CHROMEOS)
// Add printers via printscanmgr instead of debugd.
BASE_FEATURE(kAddPrinterViaPrintscanmgr,
"AddPrinterViaPrintscanmgr",
base::FEATURE_ENABLED_BY_DEFAULT);
// Controls whether chrome.printing API uses margins and scale ticket items when
// submitting a print job.
BASE_FEATURE(kApiPrintingMarginsAndScale,
"ApiPrintingMarginsAndScale",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // BUILDFLAG(IS_CHROMEOS)
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
// Use the CUPS IPP printing backend instead of the original CUPS backend that
// calls the deprecated PPD API.
BASE_FEATURE(kCupsIppPrintingBackend,
"CupsIppPrintingBackend",
#if BUILDFLAG(IS_LINUX)
base::FEATURE_DISABLED_BY_DEFAULT
#else
base::FEATURE_ENABLED_BY_DEFAULT
#endif
);
#endif // BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
#if BUILDFLAG(IS_WIN)
// Use a faster method to enumerate printers, using a combination of a
// non-blocking Print Spooler API and the Windows registry to speed up reading
// of basic printer info.
BASE_FEATURE(kFastEnumeratePrinters,
"FastEnumeratePrinters",
base::FEATURE_ENABLED_BY_DEFAULT);
// When using PostScript level 3 printing, render text with Type 42 fonts if
// possible.
BASE_FEATURE(kPrintWithPostScriptType42Fonts,
"PrintWithPostScriptType42Fonts",
base::FEATURE_DISABLED_BY_DEFAULT);
// When using GDI printing, avoid rasterization if possible.
BASE_FEATURE(kPrintWithReducedRasterization,
"PrintWithReducedRasterization",
base::FEATURE_DISABLED_BY_DEFAULT);
// Read printer capabilities with XPS when use XPS for printing.
BASE_FEATURE(kReadPrinterCapabilitiesWithXps,
"ReadPrinterCapabilitiesWithXps",
base::FEATURE_DISABLED_BY_DEFAULT);
// Use XPS for printing instead of GDI.
BASE_FEATURE(kUseXpsForPrinting,
"UseXpsForPrinting",
base::FEATURE_DISABLED_BY_DEFAULT);
// Use XPS for printing instead of GDI for printing PDF documents. This is
// independent of `kUseXpsForPrinting`; can use XPS for PDFs even if still using
// GDI for modifiable content.
BASE_FEATURE(kUseXpsForPrintingFromPdf,
"UseXpsForPrintingFromPdf",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(ENABLE_OOP_PRINTING)
// Enables printing interactions with the operating system to be performed
// out-of-process.
BASE_FEATURE(kEnableOopPrintDrivers,
"EnableOopPrintDrivers",
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_MAC)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
#endif
);
const base::FeatureParam<bool> kEnableOopPrintDriversEarlyStart{
&kEnableOopPrintDrivers, "EarlyStart", false};
const base::FeatureParam<bool> kEnableOopPrintDriversJobPrint{
&kEnableOopPrintDrivers, "JobPrint", true};
const base::FeatureParam<bool> kEnableOopPrintDriversSandbox{
&kEnableOopPrintDrivers, "Sandbox", false};
#if BUILDFLAG(IS_WIN)
const base::FeatureParam<bool> kEnableOopPrintDriversSingleProcess{
&kEnableOopPrintDrivers, "SingleProcess", true};
#endif
#endif // BUILDFLAG(ENABLE_OOP_PRINTING)
} // namespace printing::features
|
