blob: d3c7a4119297f03385cd9c3a074281888e4b42ca [file] [log] [blame]
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/printing/epson_driver_matching.h"
#include <algorithm>
#include "chromeos/printing/ppd_provider.h"
namespace chromeos {
bool CanUseEpsonGenericPPD(const PrinterSearchData& sd) {
// Needed to check if its an Epson printer.
if (sd.make_and_model.empty()) {
return false;
// Fail if this isn't an Epson printer.
// Note: Assumes make and model strings are already lowercase.
auto it = std::find_if(sd.make_and_model.begin(), sd.make_and_model.end(),
[](base::StringPiece emm) {
return emm.find("epson") != base::StringPiece::npos;
if (it == sd.make_and_model.end()) {
return false;
switch (sd.discovery_type) {
case PrinterSearchData::PrinterDiscoveryType::kManual:
// For manually discovered printers, supported_document_formats is
// retrieved via an ippGetAttributes query to the printer.
return base::Contains(sd.supported_document_formats,
case PrinterSearchData::PrinterDiscoveryType::kUsb: {
// For USB printers, the command set is retrieved from the 'CMD' field of
// the printer's IEEE 1284 Device ID.
for (base::StringPiece format : sd.printer_id.command_set()) {
if (format.starts_with("ESCPR")) {
return true;
return false;
case PrinterSearchData::PrinterDiscoveryType::kZeroconf:
// For printers found through mDNS/DNS-SD discovery,
// supported_document_formats is retrieved via the Printer Description TXT
// Record(from the key 'pdl').
return base::Contains(sd.supported_document_formats,
return false;
} // namespace chromeos