Index: Source/modules/webusb/USBAlternateInterface.cpp |
diff --git a/Source/modules/webusb/USBAlternateInterface.cpp b/Source/modules/webusb/USBAlternateInterface.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7178688cc02284b221f4528d6da5d208f12889ca |
--- /dev/null |
+++ b/Source/modules/webusb/USBAlternateInterface.cpp |
@@ -0,0 +1,80 @@ |
+// 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/USBAlternateInterface.h" |
+ |
+#include "bindings/core/v8/ExceptionState.h" |
+#include "modules/webusb/USBEndpoint.h" |
+#include "modules/webusb/USBInterface.h" |
+ |
+namespace blink { |
+ |
+// static |
+USBAlternateInterface* USBAlternateInterface::create(const USBInterface* interface, size_t alternateIndex) |
+{ |
+ return new USBAlternateInterface(interface, alternateIndex); |
+} |
+ |
+// static |
+USBAlternateInterface* USBAlternateInterface::create(const USBInterface* interface, size_t alternateIndex, ExceptionState& exceptionState) |
+{ |
+ if (alternateIndex < interface->info().alternates.size()) |
+ return new USBAlternateInterface(interface, alternateIndex); |
+ exceptionState.throwRangeError("Invalid alternate index."); |
+ return nullptr; |
+} |
+ |
+USBAlternateInterface::USBAlternateInterface(const USBInterface* interface, size_t alternateIndex) |
+ : m_interface(interface) |
+ , m_alternateIndex(alternateIndex) |
+{ |
+} |
+ |
+const WebUSBDeviceInfo::AlternateInterface& USBAlternateInterface::info() const |
+{ |
+ const WebUSBDeviceInfo::Interface& interfaceInfo = m_interface->info(); |
+ ASSERT(m_alternateIndex < interfaceInfo.alternates.size()); |
+ return interfaceInfo.alternates[m_alternateIndex]; |
+} |
+ |
+uint8_t USBAlternateInterface::alternateSetting() const |
+{ |
+ return info().alternateSetting; |
+} |
+ |
+uint8_t USBAlternateInterface::interfaceClass() const |
+{ |
+ return info().classCode; |
+} |
+ |
+uint8_t USBAlternateInterface::interfaceSubclass() const |
+{ |
+ return info().subclassCode; |
+} |
+ |
+uint8_t USBAlternateInterface::interfaceProtocol() const |
+{ |
+ return info().protocolCode; |
+} |
+ |
+String USBAlternateInterface::interfaceName() const |
+{ |
+ return info().interfaceName; |
+} |
+ |
+HeapVector<Member<USBEndpoint>> USBAlternateInterface::endpoints() const |
+{ |
+ HeapVector<Member<USBEndpoint>> endpoints; |
+ for (size_t i = 0; i < info().endpoints.size(); ++i) |
+ endpoints.append(USBEndpoint::create(this, i)); |
+ return endpoints; |
+} |
+ |
+DEFINE_TRACE(USBAlternateInterface) |
+{ |
+ visitor->trace(m_interface); |
+} |
+ |
+} // namespace blink |