| // 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 "config.h" |
| #include "modules/webusb/USBConfiguration.h" |
| |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "modules/webusb/USBDevice.h" |
| #include "modules/webusb/USBInterface.h" |
| |
| namespace blink { |
| |
| USBConfiguration* USBConfiguration::create(const USBDevice* device, size_t configurationIndex) |
| { |
| return new USBConfiguration(device, configurationIndex); |
| } |
| |
| USBConfiguration* USBConfiguration::create(const USBDevice* device, size_t configurationValue, ExceptionState& exceptionState) |
| { |
| for (size_t i = 0; i < device->info().configurations.size(); ++i) { |
| if (device->info().configurations[i].configurationValue == configurationValue) |
| return new USBConfiguration(device, i); |
| } |
| exceptionState.throwRangeError("Invalid configuration value."); |
| return nullptr; |
| } |
| |
| USBConfiguration* USBConfiguration::createFromValue(const USBDevice* device, uint8_t configurationValue) |
| { |
| for (size_t i = 0; i < device->info().configurations.size(); ++i) { |
| if (device->info().configurations[i].configurationValue == configurationValue) |
| return new USBConfiguration(device, i); |
| } |
| return nullptr; |
| } |
| |
| USBConfiguration::USBConfiguration(const USBDevice* device, size_t configurationIndex) |
| : m_device(device) |
| , m_configurationIndex(configurationIndex) |
| { |
| ASSERT(m_device); |
| ASSERT(m_configurationIndex < m_device->info().configurations.size()); |
| } |
| |
| const WebUSBDeviceInfo::Configuration& USBConfiguration::info() const |
| { |
| return m_device->info().configurations[m_configurationIndex]; |
| } |
| |
| uint8_t USBConfiguration::configurationValue() const |
| { |
| return info().configurationValue; |
| } |
| |
| String USBConfiguration::configurationName() const |
| { |
| return info().configurationName; |
| } |
| |
| HeapVector<Member<USBInterface>> USBConfiguration::interfaces() const |
| { |
| HeapVector<Member<USBInterface>> interfaces; |
| for (size_t i = 0; i < info().interfaces.size(); ++i) |
| interfaces.append(USBInterface::create(this, i)); |
| return interfaces; |
| } |
| |
| DEFINE_TRACE(USBConfiguration) |
| { |
| visitor->trace(m_device); |
| } |
| |
| } // namespace blink |