Index: Source/modules/webusb/USBDevice.cpp |
diff --git a/Source/modules/webusb/USBDevice.cpp b/Source/modules/webusb/USBDevice.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..11d9e1833b060a7a45ec4dccb3b9ade16f23cfb4 |
--- /dev/null |
+++ b/Source/modules/webusb/USBDevice.cpp |
@@ -0,0 +1,271 @@ |
+// 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/USBDevice.h" |
+ |
+#include "bindings/core/v8/CallbackPromiseAdapter.h" |
+#include "bindings/core/v8/ScriptPromise.h" |
+#include "bindings/core/v8/ScriptPromiseResolver.h" |
+#include "bindings/core/v8/ToV8.h" |
+#include "core/dom/DOMArrayBuffer.h" |
+#include "core/dom/DOMArrayBufferView.h" |
+#include "core/dom/DOMException.h" |
+#include "core/dom/ExceptionCode.h" |
+#include "modules/webusb/USBControlTransferParameters.h" |
+#include "modules/webusb/USBError.h" |
+#include "modules/webusb/USBInTransferResult.h" |
+#include "modules/webusb/USBOutTransferResult.h" |
+#include "public/platform/modules/webusb/WebUSBTransferInfo.h" |
+ |
+namespace blink { |
+ |
+namespace { |
+ |
+DOMException* convertControlTransferParameters( |
+ WebUSBDevice::TransferDirection direction, |
+ const USBControlTransferParameters& parameters, |
+ WebUSBDevice::ControlTransferParameters* webParameters) |
+{ |
+ webParameters->direction = direction; |
+ |
+ if (parameters.requestType() == "standard") |
+ webParameters->type = WebUSBDevice::RequestTypeStandard; |
+ else if (parameters.requestType() == "class") |
+ webParameters->type = WebUSBDevice::RequestTypeClass; |
+ else if (parameters.requestType() == "vendor") |
+ webParameters->type = WebUSBDevice::RequestTypeVendor; |
+ else |
+ return DOMException::create(AbortError, "The control transfer requestType parameter is invalid."); |
+ |
+ if (parameters.recipient() == "device") |
+ webParameters->recipient = WebUSBDevice::RequestRecipientDevice; |
+ else if (parameters.recipient() == "interface") |
+ webParameters->recipient = WebUSBDevice::RequestRecipientInterface; |
+ else if (parameters.recipient() == "endpoint") |
+ webParameters->recipient = WebUSBDevice::RequestRecipientEndpoint; |
+ else if (parameters.recipient() == "other") |
+ webParameters->recipient = WebUSBDevice::RequestRecipientOther; |
+ else |
+ return DOMException::create(AbortError, "The control transfer recipient parameter is invalid."); |
+ |
+ webParameters->request = parameters.request(); |
+ webParameters->value = parameters.value(); |
+ webParameters->index = parameters.index(); |
+ return nullptr; |
+} |
+ |
+String convertTransferStatus(const WebUSBTransferInfo::Status& status) |
+{ |
+ switch (status) { |
+ case WebUSBTransferInfo::StatusOk: |
+ return "ok"; |
+ case WebUSBTransferInfo::StatusStall: |
+ return "stall"; |
+ case WebUSBTransferInfo::StatusBabble: |
+ return "babble"; |
+ default: |
+ ASSERT_NOT_REACHED(); |
+ return ""; |
+ } |
+} |
+ |
+class InputTransferResult { |
+ WTF_MAKE_NONCOPYABLE(InputTransferResult); |
+public: |
+ using WebType = WebUSBTransferInfo; |
+ |
+ static USBInTransferResult* take(ScriptPromiseResolver*, PassOwnPtr<WebType> webTransferInfo) |
+ { |
+ return USBInTransferResult::create( |
+ convertTransferStatus(webTransferInfo->status), |
+ DOMArrayBuffer::create(webTransferInfo->data.data(), webTransferInfo->data.size())); |
+ } |
+ |
+private: |
+ InputTransferResult() = delete; |
+}; |
+ |
+class OutputTransferResult { |
+ WTF_MAKE_NONCOPYABLE(OutputTransferResult); |
+public: |
+ using WebType = WebUSBTransferInfo; |
+ |
+ static USBOutTransferResult* take(ScriptPromiseResolver*, PassOwnPtr<WebType> webTransferInfo) |
+ { |
+ return USBOutTransferResult::create(convertTransferStatus(webTransferInfo->status), webTransferInfo->bytesWritten); |
+ } |
+ |
+private: |
+ OutputTransferResult() = delete; |
+}; |
+ |
+class BufferSource { |
+ WTF_MAKE_NONCOPYABLE(BufferSource); |
+public: |
+ BufferSource(const ArrayBufferOrArrayBufferView& buffer) : m_buffer(buffer) { } |
+ |
+ uint8_t* data() const |
+ { |
+ if (m_buffer.isArrayBuffer()) |
+ return static_cast<uint8_t*>(m_buffer.getAsArrayBuffer()->data()); |
+ return static_cast<uint8_t*>(m_buffer.getAsArrayBufferView()->baseAddress()); |
+ } |
+ |
+ unsigned size() const |
+ { |
+ if (m_buffer.isArrayBuffer()) |
+ return m_buffer.getAsArrayBuffer()->byteLength(); |
+ return m_buffer.getAsArrayBufferView()->byteLength(); |
+ } |
+ |
+private: |
+ const ArrayBufferOrArrayBufferView& m_buffer; |
+}; |
+ |
+} // namespace |
+ |
+// static |
+USBDevice* USBDevice::create(PassOwnPtr<WebUSBDevice> device) |
+{ |
+ return new USBDevice(device); |
+} |
+ |
+USBDevice::USBDevice(PassOwnPtr<WebUSBDevice> device) |
+ : m_device(device) |
+{ |
+} |
+ |
+HeapVector<Member<USBConfiguration>> USBDevice::configurations() const |
+{ |
+ HeapVector<Member<USBConfiguration>> configurations; |
+ for (size_t i = 0; i < info().configurations.size(); ++i) |
+ configurations.append(USBConfiguration::create(this, i)); |
+ return configurations; |
+} |
+ |
+ScriptPromise USBDevice::open(ScriptState* scriptState) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->open(new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::close(ScriptState* scriptState) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->close(new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::setConfiguration(ScriptState* scriptState, uint8_t configurationValue) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->setConfiguration(configurationValue, new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::claimInterface(ScriptState* scriptState, uint8_t interfaceNumber) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->claimInterface(interfaceNumber, new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::releaseInterface(ScriptState* scriptState, uint8_t interfaceNumber) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->releaseInterface(interfaceNumber, new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::setInterface(ScriptState* scriptState, uint8_t interfaceNumber, uint8_t alternateSetting) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->setInterface(interfaceNumber, alternateSetting, new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::controlTransferIn(ScriptState* scriptState, const USBControlTransferParameters& parameters, uint16_t length) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ WebUSBDevice::ControlTransferParameters webParameters; |
+ DOMException* error = convertControlTransferParameters(WebUSBDevice::TransferDirectionIn, parameters, &webParameters); |
+ if (error) |
+ resolver->reject(error); |
+ else |
+ m_device->controlTransfer(webParameters, nullptr, length, 0, new CallbackPromiseAdapter<InputTransferResult, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::controlTransferOut(ScriptState* scriptState, const USBControlTransferParameters& parameters) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ WebUSBDevice::ControlTransferParameters webParameters; |
+ DOMException* error = convertControlTransferParameters(WebUSBDevice::TransferDirectionOut, parameters, &webParameters); |
+ if (error) |
+ resolver->reject(error); |
+ else |
+ m_device->controlTransfer(webParameters, nullptr, 0, 0, new CallbackPromiseAdapter<OutputTransferResult, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ |
+ScriptPromise USBDevice::controlTransferOut(ScriptState* scriptState, const USBControlTransferParameters& parameters, const ArrayBufferOrArrayBufferView& data) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ WebUSBDevice::ControlTransferParameters webParameters; |
+ DOMException* error = convertControlTransferParameters(WebUSBDevice::TransferDirectionOut, parameters, &webParameters); |
+ if (error) { |
+ resolver->reject(error); |
+ } else { |
+ BufferSource buffer(data); |
+ m_device->controlTransfer(webParameters, buffer.data(), buffer.size(), 0, new CallbackPromiseAdapter<OutputTransferResult, USBError>(resolver)); |
+ } |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::clearHalt(ScriptState* scriptState, uint8_t endpointNumber) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->clearHalt(endpointNumber, new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::transferIn(ScriptState* scriptState, uint8_t endpointNumber, unsigned length) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->transfer(WebUSBDevice::TransferDirectionIn, endpointNumber, nullptr, length, 0, new CallbackPromiseAdapter<InputTransferResult, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::transferOut(ScriptState* scriptState, uint8_t endpointNumber, const ArrayBufferOrArrayBufferView& data) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ BufferSource buffer(data); |
+ m_device->transfer(WebUSBDevice::TransferDirectionOut, endpointNumber, buffer.data(), buffer.size(), 0, new CallbackPromiseAdapter<OutputTransferResult, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+ScriptPromise USBDevice::reset(ScriptState* scriptState) |
+{ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ m_device->reset(new CallbackPromiseAdapter<void, USBError>(resolver)); |
+ return promise; |
+} |
+ |
+} // namespace blink |