Index: Source/modules/webusb/USB.cpp |
diff --git a/Source/modules/webusb/USB.cpp b/Source/modules/webusb/USB.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..11e2db6e3f190cdfa3812e0785bdf70685f2accc |
--- /dev/null |
+++ b/Source/modules/webusb/USB.cpp |
@@ -0,0 +1,102 @@ |
+// 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/USB.h" |
+ |
+#include "bindings/core/v8/CallbackPromiseAdapter.h" |
+#include "bindings/core/v8/ScriptPromise.h" |
+#include "bindings/core/v8/ScriptPromiseResolver.h" |
+#include "core/dom/DOMException.h" |
+#include "core/dom/Document.h" |
+#include "core/dom/ExceptionCode.h" |
+#include "modules/webusb/USBDevice.h" |
+#include "modules/webusb/USBDeviceEnumerationOptions.h" |
+#include "modules/webusb/USBDeviceFilter.h" |
+#include "modules/webusb/USBError.h" |
+#include "public/platform/Platform.h" |
+#include "public/platform/WebVector.h" |
+#include "public/platform/modules/webusb/WebUSBClient.h" |
+#include "public/platform/modules/webusb/WebUSBDeviceEnumerationOptions.h" |
+#include "public/platform/modules/webusb/WebUSBDeviceFilter.h" |
+#include "public/platform/modules/webusb/WebUSBError.h" |
+ |
+namespace blink { |
+namespace { |
+ |
+void convertDeviceEnumerationOptions(const USBDeviceEnumerationOptions& options, WebUSBDeviceEnumerationOptions* webOptions) |
+{ |
+ ASSERT(options.hasFilters()); |
+ webOptions->filters = WebVector<WebUSBDeviceFilter>(options.filters().size()); |
+ for (size_t i = 0; i < options.filters().size(); ++i) { |
+ const USBDeviceFilter& filter = options.filters()[i]; |
+ WebUSBDeviceFilter& webFilter = webOptions->filters[i]; |
+ webFilter.hasVendorID = filter.hasVendorId(); |
+ if (filter.hasVendorId()) |
+ webFilter.vendorID = filter.vendorId(); |
+ webFilter.hasProductID = filter.hasProductId(); |
+ if (filter.hasProductId()) |
+ webFilter.productID = filter.productId(); |
+ webFilter.hasClassCode = filter.hasClassCode(); |
+ if (filter.hasClassCode()) |
+ webFilter.classCode = filter.classCode(); |
+ webFilter.hasSubclassCode = filter.hasSubclassCode(); |
+ if (filter.hasSubclassCode()) |
+ webFilter.subclassCode = filter.subclassCode(); |
+ webFilter.hasProtocolCode = filter.hasProtocolCode(); |
+ if (filter.hasProtocolCode()) |
+ webFilter.protocolCode = filter.protocolCode(); |
+ } |
+} |
+ |
+// Allows using a CallbackPromiseAdapter with a WebVector to resolve the |
+// getDevices() promise with a HeapVector owning USBDevices. |
+class DeviceArray { |
+ WTF_MAKE_NONCOPYABLE(DeviceArray); |
+public: |
+ using WebType = WebVector<WebUSBDevice*>; |
+ |
+ static HeapVector<Member<USBDevice>> take(ScriptPromiseResolver*, PassOwnPtr<WebType> webDevices) |
+ { |
+ HeapVector<Member<USBDevice>> devices; |
+ for (const auto webDevice : *webDevices) |
+ devices.append(USBDevice::create(adoptPtr(webDevice))); |
+ return devices; |
+ } |
+ |
+private: |
+ DeviceArray() = delete; |
+}; |
+ |
+} // namespace |
+ |
+USB::USB(LocalFrame& frame) |
+ : m_controller(USBController::from(frame)) |
+{ |
+} |
+ |
+ScriptPromise USB::getDevices(ScriptState* scriptState, const USBDeviceEnumerationOptions& options) |
+{ |
+ WebUSBClient* client = m_controller->client(); |
+ if (!client) |
+ return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError)); |
+ |
+ RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState); |
+ ScriptPromise promise = resolver->promise(); |
+ |
+ WebUSBDeviceEnumerationOptions webOptions; |
+ convertDeviceEnumerationOptions(options, &webOptions); |
+ client->getDevices(webOptions, new CallbackPromiseAdapter<DeviceArray, USBError>(resolver)); |
+ |
+ return promise; |
+} |
+ |
+DEFINE_TRACE(USB) |
+{ |
+#if ENABLE(OILPAN) |
+ visitor->trace(m_controller); |
+#endif |
+} |
+ |
+} // namespace blink |