Add support for Results methods in Chrome

Which only consists of sortByProperty

lib/results.js

@@ -6,11 +6,29 @@ let util = require('./util');
 let idKey = util.idKey;
 let realmKey = util.realmKey;
 let resizeListKey = util.resizeListKey;
+let prototype = {};
 
 exports.create = create;
 
+[
+    'sortByProperty',
+].forEach(function(name) {
+    Object.defineProperty(prototype, name, {
+        value: function() {
+            let resultsId = this[idKey];
+            let realmId = this[realmKey];
+
+            if (!resultsId || !realmId) {
+                throw new TypeError(name + ' method was not called on Results!');
+            }
+
+            return rpc.callListMethod(realmId, resultsId, name, Array.from(arguments));
+        }
+    });
+});
+
 function create(realmId, info) {
-    let results = util.createList(null, getterForLength, getterForIndex);
+    let results = util.createList(prototype, getterForLength, getterForIndex);
     let size = info.size;
 
     results[realmKey] = realmId;

lib/rpc.js

@@ -17,27 +17,30 @@ if (XMLHttpRequest.__proto__ != window.XMLHttpRequestEventTarget) {
     window.XMLHttpRequest = override;
 }
 
-exports.registerTypeConverter = registerTypeConverter;
+module.exports = {
+    registerTypeConverter,
 
-exports.createRealm = createRealm;
-exports.callRealmMethod = callRealmMethod;
+    createRealm,
+    callRealmMethod,
 
-exports.getObjectProperty = getObjectProperty;
-exports.setObjectProperty = setObjectProperty;
+    getObjectProperty,
+    setObjectProperty,
 
-exports.getListItem = getListItem;
-exports.setListItem = setListItem;
-exports.getListSize = getListSize;
-exports.callListMethod = callListMethod;
+    getListItem,
+    setListItem,
+    getListSize,
+    callListMethod,
 
-exports.getResultsItem = getResultsItem;
-exports.getResultsSize = getResultsSize;
+    getResultsItem,
+    getResultsSize,
+    callResultsMethod,
 
-exports.beginTransaction = beginTransaction;
-exports.cancelTransaction = cancelTransaction;
-exports.commitTransaction = commitTransaction;
+    beginTransaction,
+    cancelTransaction,
+    commitTransaction,
 
-exports.clearTestState = clearTestState;
+    clearTestState,
+};
 
 function registerTypeConverter(type, handler) {
     typeConverters[type] = handler;
@@ -101,6 +104,15 @@ function getResultsSize(realmId, resultsId) {
     return sendRequest('get_results_size', {realmId, resultsId});
 }
 
+function callResultsMethod(realmId, resultsId, name, args) {
+    if (args) {
+        args = args.map((arg) => serialize(realmId, arg));
+    }
+
+    let result = sendRequest('call_results_method', {realmId, resultsId, name, arguments: args});
+    return deserialize(realmId, result);
+}
+
 function beginTransaction(realmId) {
     sendRequest('begin_transaction', {realmId});
 }

src/RJSResults.hpp

@@ -23,6 +23,7 @@ namespace realm {
     typedef std::shared_ptr<Realm> SharedRealm;
 }
 
+extern const JSStaticFunction RJSResultsFuncs[];
 JSClassRef RJSResultsClass();
 JSObjectRef RJSResultsCreate(JSContextRef ctx, realm::SharedRealm realm, std::string className);
 JSObjectRef RJSResultsCreate(JSContextRef ctx, realm::SharedRealm realm, std::string className, std::string query);

src/RJSResults.mm

@@ -118,12 +118,12 @@ JSObjectRef RJSResultsCreate(JSContextRef ctx, SharedRealm realm, std::string cl
     return RJSWrapObject<Results *>(ctx, RJSResultsClass(), new Results(realm, *object_schema, std::move(query)));
 }
 
+const JSStaticFunction RJSResultsFuncs[] = {
+    {"sortByProperty", SortByProperty, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
+    {NULL, NULL},
+};
 
 JSClassRef RJSResultsClass() {
-    const JSStaticFunction resultsFuncs[] = {
-        {"sortByProperty", SortByProperty, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete},
-        {NULL, NULL},
-    };
-    static JSClassRef s_objectClass = RJSCreateWrapperClass<Results *>("Results", ResultsGetProperty, NULL, resultsFuncs, ResultsPropertyNames);
+    static JSClassRef s_objectClass = RJSCreateWrapperClass<Results *>("Results", ResultsGetProperty, NULL, RJSResultsFuncs, ResultsPropertyNames);
     return s_objectClass;
 }

src/RealmRPC.mm

@@ -169,6 +169,13 @@ using RPCRequest = std::function<NSDictionary *(NSDictionary *dictionary)>;
             }
             return @{@"result": @(length)};
         };
+        _requests["/call_results_method"] = [=](NSDictionary *dict) {
+            NSString *name = dict[@"name"];
+            return [self performObjectMethod:name.UTF8String
+                                classMethods:RJSResultsFuncs
+                                        args:dict[@"arguments"]
+                                    objectId:[dict[@"resultsId"] unsignedLongValue]];
+        };
         _requests["/get_list_item"] = [=](NSDictionary *dict) {
             RPCObjectID listId = [dict[@"listId"] unsignedLongValue];
             long index = [dict[@"index"] longValue];