Replacing Indexed DB Chromium IPC with Mojo

third_party/WebKit/public/platform/modules/indexeddb/indexeddb_struct_traits.h

+// 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.
+
+#ifndef INDEXEDDB_STRUCT_TRAITS_H_
+#define INDEXEDDB_STRUCT_TRAITS_H_
+
+#include "third_party/WebKit/public/platform/modules/indexeddb/indexed_db.mojom-blink.h"
+#include "third_party/WebKit/Source/modules/indexeddb/IDBKey.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<indexed_db::mojom::blink::Key, blink::IDBKey> {
+    static indexed_db::mojom::blink::KeyType type(const blink::IDBKey& key)
+    {
+        switch (idbKey->getType()) {
+        case IDBKey::InvalidType:
+        case IDBKey::MinType:
+            ASSERT_NOT_REACHED();
+            return indexed_db::mojom::blink::KeyType::Invalid;
+        case IDBKey::ArrayType:
+            return indexed_db::mojom::blink::KeyType::Array;
+        case IDBKey::BinaryType:
+            return indexed_db::mojom::blink::KeyType::Binary;
+        case IDBKey::StringType:
+            return indexed_db::mojom::blink::KeyType::String;
+        case IDBKey::DateType:
+            return indexed_db::mojom::blink::KeyType::Date;
+        case IDBKey::NumberType:
+            return indexed_db::mojom::blink::KeyType::Number;
+        }
+        ASSERT_NOT_REACHED();
+        return indexed_db::mojom::blink::KeyType::Invalid;
+    }
+    static indexed_db::mojom::blink::KeyData data(const blink::IDBKey& key)
+    {
+        data = indexed_db::mojom::blink::KeyData::New();
+        switch (idbKey->getType()) {
+        case IDBKey::InvalidType:
+        case IDBKey::MinType:
+            ASSERT_NOT_REACHED();
+            break;
+        case IDBKey::ArrayType: {
+            Vector<KeyPtr> data(idbKey->array().size());
+            for (size_t i = 0; i < idbKey->array().size(); i++)
+                data[i] = createKey(idbKey->array()[i]);
+            data->set_array_data(std::move(data));
+        } break;
+        case IDBKey::BinaryType:
+            return indexed_db::mojom::blink::KeyType::Binary;
+        case IDBKey::StringType:
+            return indexed_db::mojom::blink::KeyType::String;
+        case IDBKey::DateType:
+            return indexed_db::mojom::blink::KeyType::Date;
+        case IDBKey::NumberType:
+            return indexed_db::mojom::blink::KeyType::Number;
+        }
+        return std::move(data);
+    }
+};
+}
+
+#endif // INDEXEDDB_STRUCT_TRAITS_H_