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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "modules/webusb/USBConfiguration.h" |
| 7 |
| 8 #include "bindings/core/v8/ExceptionState.h" |
| 9 #include "modules/webusb/USBDevice.h" |
| 10 #include "modules/webusb/USBInterface.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 USBConfiguration* USBConfiguration::create(const USBDevice* device, size_t confi
gurationIndex) |
| 15 { |
| 16 return new USBConfiguration(device, configurationIndex); |
| 17 } |
| 18 |
| 19 USBConfiguration* USBConfiguration::create(const USBDevice* device, size_t confi
gurationValue, ExceptionState& exceptionState) |
| 20 { |
| 21 for (size_t i = 0; i < device->info().configurations.size(); ++i) { |
| 22 if (device->info().configurations[i].configurationValue == configuration
Value) |
| 23 return new USBConfiguration(device, i); |
| 24 } |
| 25 exceptionState.throwRangeError("Invalid configuration value."); |
| 26 return nullptr; |
| 27 } |
| 28 |
| 29 USBConfiguration::USBConfiguration(const USBDevice* device, size_t configuration
Index) |
| 30 : m_device(device) |
| 31 , m_configurationIndex(configurationIndex) |
| 32 { |
| 33 ASSERT(m_device); |
| 34 ASSERT(m_configurationIndex < m_device->info().configurations.size()); |
| 35 } |
| 36 |
| 37 const WebUSBDeviceInfo::Configuration& USBConfiguration::info() const |
| 38 { |
| 39 return m_device->info().configurations[m_configurationIndex]; |
| 40 } |
| 41 |
| 42 uint8_t USBConfiguration::configurationValue() const |
| 43 { |
| 44 return info().configurationValue; |
| 45 } |
| 46 |
| 47 String USBConfiguration::configurationName() const |
| 48 { |
| 49 return info().configurationName; |
| 50 } |
| 51 |
| 52 HeapVector<Member<USBInterface>> USBConfiguration::interfaces() const |
| 53 { |
| 54 HeapVector<Member<USBInterface>> interfaces; |
| 55 for (size_t i = 0; i < info().interfaces.size(); ++i) |
| 56 interfaces.append(USBInterface::create(this, i)); |
| 57 return interfaces; |
| 58 } |
| 59 |
| 60 DEFINE_TRACE(USBConfiguration) |
| 61 { |
| 62 visitor->trace(m_device); |
| 63 } |
| 64 |
| 65 } // namespace blink |
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