chromium/printing/backend/mojom/print_backend_mojom_traits.cc

// Copyright 2020 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/backend/mojom/print_backend_mojom_traits.h"

#include <map>

#include "base/containers/contains.h"
#include "base/logging.h"
#include "build/build_config.h"
#include "ui/gfx/geometry/mojom/geometry.mojom-shared.h"
#include "ui/gfx/geometry/mojom/geometry_mojom_traits.h"

// Implementations of std::less<> here are for purposes of detecting duplicate
// entries in arrays.  They do not require strict checks of all fields, but
// instead focus on identifying attributes that would be used to clearly
// distinguish properties to a user.  E.g., if two entries have the same
// displayable name but different corresponding values, consider that to be a
// duplicate for these purposes.
namespace std {

template <>
struct less<::gfx::Size> { … };

template <>
struct less<::printing::PrinterSemanticCapsAndDefaults::Paper> { … };

#if BUILDFLAG(IS_CHROMEOS)
template <>
struct less<::printing::AdvancedCapability> {
  bool operator()(const ::printing::AdvancedCapability& lhs,
                  const ::printing::AdvancedCapability& rhs) const {
    if (lhs.name < rhs.name)
      return true;
    return lhs.display_name < rhs.display_name;
  }
};
#endif  // BUILDFLAG(IS_CHROMEOS)

}  // namespace std

namespace mojo {

namespace {
template <class Key>
class DuplicateChecker { … };

}  // namespace

// static
bool StructTraits<printing::mojom::PrinterBasicInfoDataView,
                  printing::PrinterBasicInfo>::
    Read(printing::mojom::PrinterBasicInfoDataView data,
         printing::PrinterBasicInfo* out) { … }

// static
bool StructTraits<printing::mojom::PaperDataView,
                  printing::PrinterSemanticCapsAndDefaults::Paper>::
    Read(printing::mojom::PaperDataView data,
         printing::PrinterSemanticCapsAndDefaults::Paper* out) { … }

// static
bool StructTraits<printing::mojom::MediaTypeDataView,
                  printing::PrinterSemanticCapsAndDefaults::MediaType>::
    Read(printing::mojom::MediaTypeDataView data,
         printing::PrinterSemanticCapsAndDefaults::MediaType* out) { … }

#if BUILDFLAG(IS_CHROMEOS)
// static
printing::mojom::AdvancedCapabilityType
EnumTraits<printing::mojom::AdvancedCapabilityType,
           ::printing::AdvancedCapability::Type>::
    ToMojom(::printing::AdvancedCapability::Type input) {
  switch (input) {
    case ::printing::AdvancedCapability::Type::kBoolean:
      return printing::mojom::AdvancedCapabilityType::kBoolean;
    case ::printing::AdvancedCapability::Type::kFloat:
      return printing::mojom::AdvancedCapabilityType::kFloat;
    case ::printing::AdvancedCapability::Type::kInteger:
      return printing::mojom::AdvancedCapabilityType::kInteger;
    case ::printing::AdvancedCapability::Type::kString:
      return printing::mojom::AdvancedCapabilityType::kString;
  }
  NOTREACHED_IN_MIGRATION();
  return printing::mojom::AdvancedCapabilityType::kString;
}

// static
bool EnumTraits<printing::mojom::AdvancedCapabilityType,
                ::printing::AdvancedCapability::Type>::
    FromMojom(printing::mojom::AdvancedCapabilityType input,
              ::printing::AdvancedCapability::Type* output) {
  switch (input) {
    case printing::mojom::AdvancedCapabilityType::kBoolean:
      *output = ::printing::AdvancedCapability::Type::kBoolean;
      return true;
    case printing::mojom::AdvancedCapabilityType::kFloat:
      *output = ::printing::AdvancedCapability::Type::kFloat;
      return true;
    case printing::mojom::AdvancedCapabilityType::kInteger:
      *output = ::printing::AdvancedCapability::Type::kInteger;
      return true;
    case printing::mojom::AdvancedCapabilityType::kString:
      *output = ::printing::AdvancedCapability::Type::kString;
      return true;
  }
  NOTREACHED_IN_MIGRATION();
  return false;
}

// static
bool StructTraits<printing::mojom::AdvancedCapabilityValueDataView,
                  ::printing::AdvancedCapabilityValue>::
    Read(printing::mojom::AdvancedCapabilityValueDataView data,
         ::printing::AdvancedCapabilityValue* out) {
  return data.ReadName(&out->name) && data.ReadDisplayName(&out->display_name);
}

// static
bool StructTraits<printing::mojom::AdvancedCapabilityDataView,
                  ::printing::AdvancedCapability>::
    Read(printing::mojom::AdvancedCapabilityDataView data,
         ::printing::AdvancedCapability* out) {
  return data.ReadName(&out->name) &&
         data.ReadDisplayName(&out->display_name) &&
         data.ReadType(&out->type) &&
         data.ReadDefaultValue(&out->default_value) &&
         data.ReadValues(&out->values);
}
#endif  // BUILDFLAG(IS_CHROMEOS)

#if BUILDFLAG(IS_WIN)
// static
bool StructTraits<printing::mojom::PageOutputQualityAttributeDataView,
                  printing::PageOutputQualityAttribute>::
    Read(printing::mojom::PageOutputQualityAttributeDataView data,
         printing::PageOutputQualityAttribute* out) {
  return data.ReadDisplayName(&out->display_name) && data.ReadName(&out->name);
}

// static
bool StructTraits<printing::mojom::PageOutputQualityDataView,
                  printing::PageOutputQuality>::
    Read(printing::mojom::PageOutputQualityDataView data,
         printing::PageOutputQuality* out) {
  return data.ReadQualities(&out->qualities) &&
         data.ReadDefaultQuality(&out->default_quality);
}
#endif

// static
bool StructTraits<printing::mojom::PrinterSemanticCapsAndDefaultsDataView,
                  printing::PrinterSemanticCapsAndDefaults>::
    Read(printing::mojom::PrinterSemanticCapsAndDefaultsDataView data,
         printing::PrinterSemanticCapsAndDefaults* out) { … }

}  // namespace mojo