Implement the Blink side of RequestDeviceOptions.

Source/modules/bluetooth/Bluetooth.cpp

 // 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/bluetooth/Bluetooth.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/ExceptionCode.h"
 #include "modules/bluetooth/BluetoothDevice.h"
 #include "modules/bluetooth/BluetoothError.h"
+#include "modules/bluetooth/RequestDeviceOptions.h"
 #include "public/platform/Platform.h"
 #include "public/platform/modules/bluetooth/WebBluetooth.h"
+#include "public/platform/modules/bluetooth/WebRequestDeviceOptions.h"
 
 namespace blink {
 
-ScriptPromise Bluetooth::requestDevice(ScriptState* scriptState)
+// Returns a DOMException if the conversion fails, or null if it succeeds.
+static DOMException* convertRequestDeviceOptions(const RequestDeviceOptions& options, WebRequestDeviceOptions& result)
+{
+    if (options.hasFilters()) {
+        Vector<WebBluetoothScanFilter> filters;
+        for (const BluetoothScanFilter& filter : options.filters()) {
+            Vector<WebString> services;
+            for (const String& service : filter.services()) {
+                // TODO(jyasskin): https://crbug.com/500630: Pass the services
+                // through BluetoothUUID.getService() per
+                // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetooth-requestdevice
+                services.append(service);
+            }
+            WebBluetoothScanFilter webFilter;
+            webFilter.services.assign(services);

[ortuno, 2015/06/15 19:13:37]

why do you use assign instead of the constructor?

[Jeffrey Yasskin, 2015/06/15 19:19:18]

I hadn't added the constructor when I wrote this code. Fixing.

+            filters.append(webFilter);
+        }
+        result.filters.assign(filters);
+    }
+    if (options.hasOptionalServices()) {
+        Vector<WebString> optionalServices;
+        for (const String& optionalService : options.optionalServices()) {
+            // TODO(jyasskin): https://crbug.com/500630: Pass the services
+            // through BluetoothUUID.getService() per
+            // https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetooth-requestdevice
+            optionalServices.append(optionalService);
+        }
+        result.optionalServices.assign(optionalServices);
+    }
+    return 0;
+}
+
+ScriptPromise Bluetooth::requestDevice(ScriptState* scriptState, const RequestDeviceOptions& options)
 {
     WebBluetooth* webbluetooth = Platform::current()->bluetooth();
     if (!webbluetooth)
         return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(NotSupportedError));
 
+    WebRequestDeviceOptions webOptions;
+    DOMException* exception = convertRequestDeviceOptions(options, webOptions);
+    if (exception)
+        return ScriptPromise::rejectWithDOMException(scriptState, exception);
+
     RefPtrWillBeRawPtr<ScriptPromiseResolver> resolver = ScriptPromiseResolver::create(scriptState);
     ScriptPromise promise = resolver->promise();
-    webbluetooth->requestDevice(new CallbackPromiseAdapter<BluetoothDevice, BluetoothError>(resolver));
+    webbluetooth->requestDevice(webOptions, new CallbackPromiseAdapter<BluetoothDevice, BluetoothError>(resolver));
     return promise;
 
 }
 
 }; // blink