bluetooth: show better error messages for services, characteristics and descriptors

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTServer.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 "modules/bluetooth/BluetoothRemoteGATTServer.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
@@ skipping 78 matching lines @@
     return;
   device()->cleanupDisconnectedDeviceAndFireEvent();
   m_device->bluetooth()->removeFromConnectedDevicesMap(device()->id());
   mojom::blink::WebBluetoothService* service = m_device->bluetooth()->service();
   service->RemoteServerDisconnect(device()->id());
 }
 
 // Callback that allows us to resolve the promise with a single service or
 // with a vector owning the services.
 void BluetoothRemoteGATTServer::GetPrimaryServicesCallback(
+    const String& requestedServiceUUID,
     mojom::blink::WebBluetoothGATTQueryQuantity quantity,
     ScriptPromiseResolver* resolver,
     mojom::blink::WebBluetoothResult result,
     Optional<Vector<mojom::blink::WebBluetoothRemoteGATTServicePtr>> services) {
   if (!resolver->getExecutionContext() ||
       resolver->getExecutionContext()->isContextDestroyed())
     return;
 
   // If the device is disconnected, reject.
   if (!RemoveFromActiveAlgorithms(resolver)) {
@@ skipping 15 matching lines @@
 
     HeapVector<Member<BluetoothRemoteGATTService>> gattServices;
     gattServices.reserveInitialCapacity(services->size());
 
     for (auto& service : services.value()) {
       gattServices.push_back(m_device->getOrCreateRemoteGATTService(
           std::move(service), true /* isPrimary */, device()->id()));
     }
     resolver->resolve(gattServices);
   } else {
-    resolver->reject(BluetoothError::take(resolver, result));
+    if (result == mojom::blink::WebBluetoothResult::SERVICE_NOT_FOUND) {
+      resolver->reject(BluetoothError::take(
+          resolver, result, "No Services matching UUID " +
+                                requestedServiceUUID + " found in Device."));
+    } else {
+      resolver->reject(BluetoothError::take(resolver, result));
+    }
   }
 }
 
 ScriptPromise BluetoothRemoteGATTServer::getPrimaryService(
     ScriptState* scriptState,
     const StringOrUnsignedLong& service,
     ExceptionState& exceptionState) {
   String serviceUUID = BluetoothUUID::getService(service, exceptionState);
   if (exceptionState.hadException())
     return exceptionState.reject(scriptState);
@@ skipping 35 matching lines @@
 
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
   AddToActiveAlgorithms(resolver);
 
   mojom::blink::WebBluetoothService* service = m_device->bluetooth()->service();
   service->RemoteServerGetPrimaryServices(
       device()->id(), quantity, servicesUUID,
       convertToBaseCallback(
           WTF::bind(&BluetoothRemoteGATTServer::GetPrimaryServicesCallback,
-                    wrapPersistent(this), quantity, wrapPersistent(resolver))));
+                    wrapPersistent(this), servicesUUID, quantity,
+                    wrapPersistent(resolver))));
   return promise;
 }
 
 }  // namespace blink