Revert of Build a basic Mojo service framework for device/usb

device/usb/type_converters.cc

-// Copyright 2015 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 "device/usb/type_converters.h"
-
-#include <map>
-#include <utility>
-
-#include "base/logging.h"
-#include "base/strings/utf_string_conversions.h"
-#include "device/usb/usb_device.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/array.h"
-
-namespace mojo {
-
-// static
-device::UsbDeviceFilter
-TypeConverter<device::UsbDeviceFilter, device::usb::DeviceFilterPtr>::Convert(
-    const device::usb::DeviceFilterPtr& mojo_filter) {
-  device::UsbDeviceFilter filter;
-  if (mojo_filter->has_vendor_id)
-    filter.SetVendorId(mojo_filter->vendor_id);
-  if (mojo_filter->has_product_id)
-    filter.SetProductId(mojo_filter->product_id);
-  if (mojo_filter->has_class_code)
-    filter.SetInterfaceClass(mojo_filter->class_code);
-  if (mojo_filter->has_subclass_code)
-    filter.SetInterfaceSubclass(mojo_filter->subclass_code);
-  if (mojo_filter->has_protocol_code)
-    filter.SetInterfaceProtocol(mojo_filter->protocol_code);
-  return filter;
-}
-
-// static
-device::usb::TransferDirection
-TypeConverter<device::usb::TransferDirection, device::UsbEndpointDirection>::
-    Convert(const device::UsbEndpointDirection& direction) {
-  if (direction == device::USB_DIRECTION_INBOUND)
-    return device::usb::TRANSFER_DIRECTION_IN;
-  DCHECK(direction == device::USB_DIRECTION_OUTBOUND);
-  return device::usb::TRANSFER_DIRECTION_OUT;
-}
-
-// static
-device::usb::EndpointType
-TypeConverter<device::usb::EndpointType, device::UsbTransferType>::Convert(
-    const device::UsbTransferType& type) {
-  switch (type) {
-    case device::USB_TRANSFER_ISOCHRONOUS:
-      return device::usb::ENDPOINT_TYPE_ISOCHRONOUS;
-    case device::USB_TRANSFER_BULK:
-      return device::usb::ENDPOINT_TYPE_BULK;
-    case device::USB_TRANSFER_INTERRUPT:
-      return device::usb::ENDPOINT_TYPE_INTERRUPT;
-    // Note that we do not expose control transfer in the public interface
-    // because control endpoints are implied rather than explicitly enumerated
-    // there.
-    default:
-      NOTREACHED();
-      return device::usb::ENDPOINT_TYPE_BULK;
-  }
-}
-
-// static
-device::usb::EndpointInfoPtr
-TypeConverter<device::usb::EndpointInfoPtr, device::UsbEndpointDescriptor>::
-    Convert(const device::UsbEndpointDescriptor& endpoint) {
-  device::usb::EndpointInfoPtr info = device::usb::EndpointInfo::New();
-  info->endpoint_number = endpoint.address;
-  info->direction =
-      ConvertTo<device::usb::TransferDirection>(endpoint.direction);
-  info->type = ConvertTo<device::usb::EndpointType>(endpoint.transfer_type);
-  info->packet_size = static_cast<uint32_t>(endpoint.maximum_packet_size);
-  return info.Pass();
-}
-
-// static
-device::usb::AlternateInterfaceInfoPtr
-TypeConverter<device::usb::AlternateInterfaceInfoPtr,
-              device::UsbInterfaceDescriptor>::
-    Convert(const device::UsbInterfaceDescriptor& interface) {
-  device::usb::AlternateInterfaceInfoPtr info =
-      device::usb::AlternateInterfaceInfo::New();
-  info->alternate_setting = interface.alternate_setting;
-  info->class_code = interface.interface_class;
-  info->subclass_code = interface.interface_subclass;
-  info->protocol_code = interface.interface_protocol;
-
-  // Filter out control endpoints for the public interface.
-  info->endpoints = mojo::Array<device::usb::EndpointInfoPtr>::New(0);
-  for (const auto& endpoint : interface.endpoints) {
-    if (endpoint.transfer_type != device::USB_TRANSFER_CONTROL)
-      info->endpoints.push_back(device::usb::EndpointInfo::From(endpoint));
-  }
-
-  return info.Pass();
-}
-
-// static
-mojo::Array<device::usb::InterfaceInfoPtr>
-TypeConverter<mojo::Array<device::usb::InterfaceInfoPtr>,
-              std::vector<device::UsbInterfaceDescriptor>>::
-    Convert(const std::vector<device::UsbInterfaceDescriptor>& interfaces) {
-  auto infos = mojo::Array<device::usb::InterfaceInfoPtr>::New(0);
-
-  // Aggregate each alternate setting into an InterfaceInfo corresponding to its
-  // interface number.
-  std::map<uint8_t, device::usb::InterfaceInfo*> interface_map;
-  for (size_t i = 0; i < interfaces.size(); ++i) {
-    auto alternate = device::usb::AlternateInterfaceInfo::From(interfaces[i]);
-    auto iter = interface_map.find(interfaces[i].interface_number);
-    if (iter == interface_map.end()) {
-      // This is the first time we're seeing an alternate with this interface
-      // number, so add a new InterfaceInfo to the array and map the number.
-      auto info = device::usb::InterfaceInfo::New();
-      iter = interface_map.insert(std::make_pair(interfaces[i].interface_number,
-                                                 info.get())).first;
-      infos.push_back(info.Pass());
-    }
-    iter->second->alternates.push_back(alternate.Pass());
-  }
-
-  return infos.Pass();
-}
-
-// static
-device::usb::ConfigurationInfoPtr
-TypeConverter<device::usb::ConfigurationInfoPtr, device::UsbConfigDescriptor>::
-    Convert(const device::UsbConfigDescriptor& config) {
-  device::usb::ConfigurationInfoPtr info =
-      device::usb::ConfigurationInfo::New();
-  info->configuration_value = config.configuration_value;
-  info->interfaces =
-      mojo::Array<device::usb::InterfaceInfoPtr>::From(config.interfaces);
-  return info.Pass();
-}
-
-// static
-device::usb::DeviceInfoPtr
-TypeConverter<device::usb::DeviceInfoPtr, device::UsbDevice>::Convert(
-    const device::UsbDevice& device) {
-  device::usb::DeviceInfoPtr info = device::usb::DeviceInfo::New();
-  info->vendor_id = device.vendor_id();
-  info->product_id = device.product_id();
-  info->manufacturer = base::UTF16ToUTF8(device.manufacturer_string());
-  info->product = base::UTF16ToUTF8(device.product_string());
-  info->serial_number = base::UTF16ToUTF8(device.serial_number());
-  return info.Pass();
-}
-
-}  // namespace mojo