Connect WebUSB client interface to the devices app

content/renderer/usb/web_usb_device_impl.cc

+// 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 "content/renderer/usb/web_usb_device_impl.h"
+
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/strings/utf_string_conversions.h"
+#include "content/renderer/usb/type_converters.h"
+#include "device/devices_app/public/cpp/constants.h"
+#include "mojo/application/public/cpp/connect.h"
+#include "mojo/application/public/interfaces/shell.mojom.h"
+#include "third_party/WebKit/public/platform/WebVector.h"
+#include "third_party/WebKit/public/platform/modules/webusb/WebUSBDeviceInfo.h"
+#include "third_party/WebKit/public/platform/modules/webusb/WebUSBTransferInfo.h"
+
+namespace content {
+
+namespace {
+
+const char kNotImplementedError[] = "Not implemented.";
+
+template <typename ResultType>
+void RejectAsNotImplemented(
+    blink::WebCallbacks<ResultType, const blink::WebUSBError&>* callbacks) {
+  callbacks->onError(
+      blink::WebUSBError(blink::WebUSBError::Error::Service,
+                         base::UTF8ToUTF16(kNotImplementedError)));
+  delete callbacks;
+}
+
+}  // namespace
+
+WebUSBDeviceImpl::WebUSBDeviceImpl(device::usb::DeviceManagerPtr device_manager,
+                                   const blink::WebUSBDeviceInfo& device_info)
+    : device_manager_(device_manager.Pass()),
+      device_info_(device_info),
+      weak_factory_(this) {}
+
+WebUSBDeviceImpl::~WebUSBDeviceImpl() {}
+
+const blink::WebUSBDeviceInfo& WebUSBDeviceImpl::info() const {
+  return device_info_;
+}
+
+void WebUSBDeviceImpl::open(blink::WebUSBDeviceOpenCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::close(blink::WebUSBDeviceCloseCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::setConfiguration(
+    uint8_t configuration_value,
+    blink::WebUSBDeviceSetConfigurationCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::claimInterface(
+    uint8_t interface_number,
+    blink::WebUSBDeviceClaimInterfaceCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::releaseInterface(
+    uint8_t interface_number,
+    blink::WebUSBDeviceReleaseInterfaceCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::setInterface(
+    uint8_t interface_number,
+    uint8_t alternate_setting,
+    blink::WebUSBDeviceSetInterfaceAlternateSettingCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::clearHalt(
+    uint8_t endpoint_number,
+    blink::WebUSBDeviceClearHaltCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::controlTransfer(
+    const blink::WebUSBDevice::ControlTransferParameters& parameters,
+    uint8_t* data,
+    size_t data_size,
+    unsigned int timeout,
+    blink::WebUSBDeviceControlTransferCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::transfer(
+    blink::WebUSBDevice::TransferDirection direction,
+    uint8_t endpoint_number,
+    uint8_t* data,
+    size_t data_size,
+    unsigned int timeout,
+    blink::WebUSBDeviceBulkTransferCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::reset(blink::WebUSBDeviceResetCallbacks* callbacks) {
+  RejectAsNotImplemented(callbacks);
+}
+
+void WebUSBDeviceImpl::OnConnectionError() {
+  device_.reset();
+}
+
+}  // namespace content