arc: bluetooth: Add SDP host side support

components/arc/bluetooth/bluetooth_struct_traits.cc

Index: components/arc/bluetooth/bluetooth_struct_traits.cc
diff --git a/components/arc/bluetooth/bluetooth_struct_traits.cc b/components/arc/bluetooth/bluetooth_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b531a1219706999f0ca3a84d8a7be3fd9d5aed1f
--- /dev/null
+++ b/components/arc/bluetooth/bluetooth_struct_traits.cc
@@ -0,0 +1,447 @@
+// Copyright 2016 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 "components/arc/bluetooth/bluetooth_struct_traits.h"
+
+#include <memory>
+#include <utility>
+
+namespace {
+
+void* SetUpContextForAttributeValue(
+    const bluez::BluetoothServiceAttributeValueBlueZ& value) {
+  switch (value.type()) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE: {
+      base::ListValue* list_value = new base::ListValue();
+      return list_value;
+      break;
+    }
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL: {
+      // Mojo does not have IPC::ParamTraits for base::Value currently, so we
+      // need to wrap the return of value() in a base::ListValue. The return of
+      // value() is a const reference owned by |value|, so we need to a deep
+      // copy of base::Value to construct base::ListValue.
+      base::ListValue* list_value = new base::ListValue();
+      list_value->Append(value.value().CreateDeepCopy());
+      return list_value;
+    }
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE: {
+      bluez::BluetoothServiceAttributeValueBlueZ::Sequence* sequence =
+          new bluez::BluetoothServiceAttributeValueBlueZ::Sequence();
+      *sequence = value.sequence();
+      return sequence;
+    }
+    default:
+      NOTREACHED() << "Invalid type: " << static_cast<uint32_t>(value.type());
+      return nullptr;
+  }
+}
+
+void TearDownContextForAttributeValue(
+    const bluez::BluetoothServiceAttributeValueBlueZ& value,
+    void* context) {
+  switch (value.type()) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL:
+      delete reinterpret_cast<base::ListValue*>(context);
+      break;
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE:
+      delete reinterpret_cast<
+          bluez::BluetoothServiceAttributeValueBlueZ::Sequence*>(context);
+      break;
+    default:
+      NOTREACHED() << "Invalid type: " << static_cast<uint32_t>(value.type());
+  }
+}
+
+}  // namespace
+
+namespace mojo {
+
+//  static
+arc::mojom::BluetoothSdpAttributeType
+EnumTraits<arc::mojom::BluetoothSdpAttributeType,
+           bluez::BluetoothServiceAttributeValueBlueZ::Type>::
+    ToMojom(bluez::BluetoothServiceAttributeValueBlueZ::Type input) {
+  switch (input) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL:
+      return static_cast<arc::mojom::BluetoothSdpAttributeType>(input);
+    default:
+      NOTREACHED() << "Invalid type: " << static_cast<uint32_t>(input);
+      return arc::mojom::BluetoothSdpAttributeType::NULLTYPE;
+  }
+}
+
+// static
+bool EnumTraits<arc::mojom::BluetoothSdpAttributeType,
+                bluez::BluetoothServiceAttributeValueBlueZ::Type>::
+    FromMojom(arc::mojom::BluetoothSdpAttributeType input,
+              bluez::BluetoothServiceAttributeValueBlueZ::Type* output) {
+  switch (input) {
+    case arc::mojom::BluetoothSdpAttributeType::NULLTYPE:
+    case arc::mojom::BluetoothSdpAttributeType::UINT:
+    case arc::mojom::BluetoothSdpAttributeType::INT:
+    case arc::mojom::BluetoothSdpAttributeType::UUID:
+    case arc::mojom::BluetoothSdpAttributeType::STRING:
+    case arc::mojom::BluetoothSdpAttributeType::BOOL:
+    case arc::mojom::BluetoothSdpAttributeType::SEQUENCE:
+    case arc::mojom::BluetoothSdpAttributeType::URL:
+      *output =
+          static_cast<bluez::BluetoothServiceAttributeValueBlueZ::Type>(input);
+      return true;
+    default:
+      NOTREACHED() << "Invalid type: " << static_cast<uint32_t>(input);
+      return false;
+  }
+}
+
+// static
+void* StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+                   bluez::BluetoothServiceAttributeValueBlueZ>::
+    SetUpContext(const bluez::BluetoothServiceAttributeValueBlueZ& value) {
+  return SetUpContextForAttributeValue(value);
+}
+
+// static
+void StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    TearDownContext(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+                    void* context) {
+  TearDownContextForAttributeValue(value, context);
+}
+
+// static
+bluez::BluetoothServiceAttributeValueBlueZ::Type
+StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    type(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+         void* context) {
+  return value.type();
+}
+
+// static
+uint32_t StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+                      bluez::BluetoothServiceAttributeValueBlueZ>::
+    type_size(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+              void* context) {
+  return static_cast<uint32_t>(value.size());
+}
+
+// static
+const base::ListValue&
+StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    value(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+          void* context) {
+  return *reinterpret_cast<base::ListValue*>(context);
+}
+
+// static
+bool StructTraits<arc::mojom::BluetoothSdpAttributeLayer2,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    Read(arc::mojom::BluetoothSdpAttributeLayer2DataView data,
+         bluez::BluetoothServiceAttributeValueBlueZ* output) {
+  bluez::BluetoothServiceAttributeValueBlueZ::Type type;
+  if (!data.ReadType(&type))
+    return false;
+
+  switch (type) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL: {
+      base::ListValue list_value;
+      if (!data.ReadValue(&list_value) || list_value.GetSize() != 1)
+        return false;
+
+      size_t size = data.type_size();
+      std::unique_ptr<base::Value> value;
+      list_value.Remove(0, &value);
+
+      *output = bluez::BluetoothServiceAttributeValueBlueZ(type, size,
+                                                           std::move(value));
+      break;
+    }
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE:  // Flow through
+    default:
+      return false;
+  }
+  return true;
+}
+
+// static
+void* StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+                   bluez::BluetoothServiceAttributeValueBlueZ>::
+    SetUpContext(const bluez::BluetoothServiceAttributeValueBlueZ& value) {
+  return SetUpContextForAttributeValue(value);
+}
+
+// static
+void StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    TearDownContext(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+                    void* context) {
+  TearDownContextForAttributeValue(value, context);
+}
+
+// static
+bluez::BluetoothServiceAttributeValueBlueZ::Type
+StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    type(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+         void* context) {
+  return value.type();
+}
+
+// static
+uint32_t StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+                      bluez::BluetoothServiceAttributeValueBlueZ>::
+    type_size(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+              void* context) {
+  return static_cast<uint32_t>(value.size());
+}
+
+// static
+const base::ListValue&
+StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    value(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+          void* context) {
+  return *reinterpret_cast<base::ListValue*>(context);
+}
+
+// static
+const bluez::BluetoothServiceAttributeValueBlueZ::Sequence&
+StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    sequence(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+             void* context) {
+  return *reinterpret_cast<
+      bluez::BluetoothServiceAttributeValueBlueZ::Sequence*>(context);
+}
+
+// static
+bool StructTraits<arc::mojom::BluetoothSdpAttributeLayer1,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    Read(arc::mojom::BluetoothSdpAttributeLayer1DataView data,
+         bluez::BluetoothServiceAttributeValueBlueZ* output) {
+  bluez::BluetoothServiceAttributeValueBlueZ::Type type;
+  if (!data.ReadType(&type))
+    return false;
+
+  switch (type) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL: {
+      base::Optional<base::ListValue> list_value;
+      if (!data.ReadValue(&list_value) || !list_value.has_value() ||
+          list_value->GetSize() != 1) {
+        return false;
+      }
+
+      std::unique_ptr<base::Value> value;
+      list_value->Remove(0, &value);
+
+      *output = bluez::BluetoothServiceAttributeValueBlueZ(
+          type, static_cast<size_t>(data.type_size()), std::move(value));
+      break;
+    }
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE: {
+      base::Optional<bluez::BluetoothServiceAttributeValueBlueZ::Sequence>
+          sequence;
+      if (!data.ReadSequence(&sequence) || !sequence.has_value() ||
+          sequence->empty()) {
+        return false;
+      }
+      *output = bluez::BluetoothServiceAttributeValueBlueZ(
+          base::MakeUnique<
+              bluez::BluetoothServiceAttributeValueBlueZ::Sequence>(
+              sequence.value()));
+      break;
+    }
+    default:
+      return false;
+  }
+  return true;
+}
+
+// static
+void* StructTraits<arc::mojom::BluetoothSdpAttribute,
+                   bluez::BluetoothServiceAttributeValueBlueZ>::
+    SetUpContext(const bluez::BluetoothServiceAttributeValueBlueZ& value) {
+  return SetUpContextForAttributeValue(value);
+}
+
+// static
+void StructTraits<arc::mojom::BluetoothSdpAttribute,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    TearDownContext(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+                    void* context) {
+  TearDownContextForAttributeValue(value, context);
+}
+
+// static
+bluez::BluetoothServiceAttributeValueBlueZ::Type
+StructTraits<arc::mojom::BluetoothSdpAttribute,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    type(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+         void* context) {
+  return value.type();
+}
+
+// static
+uint32_t StructTraits<arc::mojom::BluetoothSdpAttribute,
+                      bluez::BluetoothServiceAttributeValueBlueZ>::
+    type_size(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+              void* context) {
+  return static_cast<uint32_t>(value.size());
+}
+
+// static
+const base::ListValue&
+StructTraits<arc::mojom::BluetoothSdpAttribute,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    value(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+          void* context) {
+  return *reinterpret_cast<base::ListValue*>(context);
+}
+
+// static
+const bluez::BluetoothServiceAttributeValueBlueZ::Sequence&
+StructTraits<arc::mojom::BluetoothSdpAttribute,
+             bluez::BluetoothServiceAttributeValueBlueZ>::
+    sequence(const bluez::BluetoothServiceAttributeValueBlueZ& value,
+             void* context) {
+  return *reinterpret_cast<
+      bluez::BluetoothServiceAttributeValueBlueZ::Sequence*>(context);
+}
+
+// static
+bool StructTraits<arc::mojom::BluetoothSdpAttribute,
+                  bluez::BluetoothServiceAttributeValueBlueZ>::
+    Read(arc::mojom::BluetoothSdpAttributeDataView data,
+         bluez::BluetoothServiceAttributeValueBlueZ* output) {
+  bluez::BluetoothServiceAttributeValueBlueZ::Type type;
+  if (!data.ReadType(&type))
+    return false;
+
+  switch (type) {
+    case bluez::BluetoothServiceAttributeValueBlueZ::NULLTYPE:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UINT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::INT:
+    case bluez::BluetoothServiceAttributeValueBlueZ::UUID:
+    case bluez::BluetoothServiceAttributeValueBlueZ::STRING:
+    case bluez::BluetoothServiceAttributeValueBlueZ::URL:
+    case bluez::BluetoothServiceAttributeValueBlueZ::BOOL: {
+      base::Optional<base::ListValue> list_value;
+      if (!data.ReadValue(&list_value) || !list_value.has_value() ||
+          list_value->GetSize() != 1) {
+        return false;
+      }
+
+      std::unique_ptr<base::Value> value;
+      list_value->Remove(0, &value);
+
+      *output = bluez::BluetoothServiceAttributeValueBlueZ(
+          type, static_cast<size_t>(data.type_size()), std::move(value));
+      break;
+    }
+    case bluez::BluetoothServiceAttributeValueBlueZ::SEQUENCE: {
+      base::Optional<bluez::BluetoothServiceAttributeValueBlueZ::Sequence>
+          sequence;
+      if (!data.ReadSequence(&sequence) || !sequence.has_value() ||
+          sequence->empty()) {
+        return false;
+      }
+      *output = bluez::BluetoothServiceAttributeValueBlueZ(
+          base::MakeUnique<
+              bluez::BluetoothServiceAttributeValueBlueZ::Sequence>(
+              sequence.value()));
+      break;
+    }
+    default:
+      return false;
+  }
+  return true;
+}
+
+// static
+void* StructTraits<arc::mojom::BluetoothSdpRecord,
+                   bluez::BluetoothServiceRecordBlueZ>::
+    SetUpContext(const bluez::BluetoothServiceRecordBlueZ& value) {
+  std::map<uint16_t, bluez::BluetoothServiceAttributeValueBlueZ>* attributes =
+      new std::map<uint16_t, bluez::BluetoothServiceAttributeValueBlueZ>();
+  std::vector<uint16_t> attribute_ids = value.GetAttributeIds();
+
+  for (auto it : attribute_ids) {
+    attributes->at(it) =
+        bluez::BluetoothServiceAttributeValueBlueZ(value.GetAttributeValue(it));
+  }
+  return attributes;
+}
+
+// static
+void StructTraits<arc::mojom::BluetoothSdpRecord,
+                  bluez::BluetoothServiceRecordBlueZ>::
+    TearDownContext(const bluez::BluetoothServiceRecordBlueZ& value,
+                    void* context) {
+  delete reinterpret_cast<
+      std::map<uint16_t, bluez::BluetoothServiceAttributeValueBlueZ>*>(context);
+}
+
+// static
+const std::map<uint16_t, bluez::BluetoothServiceAttributeValueBlueZ>&
+StructTraits<arc::mojom::BluetoothSdpRecord,
+             bluez::BluetoothServiceRecordBlueZ>::
+    attrs(const bluez::BluetoothServiceRecordBlueZ& value, void* context) {
+  return *reinterpret_cast<
+      std::map<uint16_t, bluez::BluetoothServiceAttributeValueBlueZ>*>(context);
+}
+
+// static
+bool StructTraits<arc::mojom::BluetoothSdpRecord,
+                  bluez::BluetoothServiceRecordBlueZ>::
+    Read(arc::mojom::BluetoothSdpRecordDataView data,
+         bluez::BluetoothServiceRecordBlueZ* output) {
+  mojo::MapDataView<uint16_t, arc::mojom::BluetoothSdpAttributeDataView>
+      map_data_view;
+  data.GetAttrsDataView(&map_data_view);
+  if (map_data_view.is_null())
+    return false;
+
+  for (size_t i = 0; i < map_data_view.size(); ++i) {
+    bluez::BluetoothServiceAttributeValueBlueZ value;
+    if (!map_data_view.values().Read(i, &value))
+      return false;
+    output->AddRecordEntry(map_data_view.keys()[i], value);
+  }
+
+  return true;
+}
+
+}  // namespace mojo