realm-js/ReactNative/RealmReact.m

113 lines
3.8 KiB
Objective-C

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2015 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
////////////////////////////////////////////////////////////////////////////
#import "RealmReact.h"
#import "Base/RCTBridge.h"
@import GCDWebServers;
@import RealmJS;
@import JavaScriptCore;
@import ObjectiveC;
@import Darwin;
@interface NSObject (RCTJavaScriptContext)
- (instancetype)initWithJSContext:(JSGlobalContextRef)context;
- (JSGlobalContextRef)ctx;
@end
@interface RealmReact () <RCTBridgeModule>
@end
@implementation RealmReact
@synthesize bridge = _bridge;
+ (void)load {
void (*RCTRegisterModule)(Class) = dlsym(RTLD_DEFAULT, "RCTRegisterModule");
if (RCTRegisterModule) {
RCTRegisterModule(self);
}
else {
NSLog(@"Failed to load RCTRegisterModule symbol - %s", dlerror());
}
}
+ (NSString *)moduleName {
return @"Realm";
}
- (void)setBridge:(RCTBridge *)bridge {
_bridge = bridge;
Ivar executorIvar = class_getInstanceVariable([bridge class], "_javaScriptExecutor");
id contextExecutor = object_getIvar(bridge, executorIvar);
Ivar contextIvar = class_getInstanceVariable([contextExecutor class], "_context");
// The executor could be a RCTWebSocketExecutor, in which case it won't have a JS context.
if (!contextIvar) {
[GCDWebServer setLogLevel:3];
GCDWebServer *webServer = [[GCDWebServer alloc] init];
RJSRPCServer *rpcServer = [[RJSRPCServer alloc] init];
// Add a handler to respond to POST requests on any URL
[webServer addDefaultHandlerForMethod:@"POST"
requestClass:[GCDWebServerDataRequest class]
processBlock:^GCDWebServerResponse *(GCDWebServerRequest* request) {
NSError *error;
NSData *data = [(GCDWebServerDataRequest *)request data];
NSDictionary *json = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
if (error) {
NSLog(@"%@", error);
return [GCDWebServerErrorResponse responseWithClientError:kGCDWebServerHTTPStatusCode_UnprocessableEntity underlyingError:error message:@"Invalid RPC request"];
}
GCDWebServerDataResponse *response = [GCDWebServerDataResponse responseWithJSONObject:[rpcServer performRequest:request.path args:json]];
[response setValue:@"http://localhost:8081" forAdditionalHeader:@"Access-Control-Allow-Origin"];
return response;
}];
[webServer startWithPort:8082 bonjourName:nil];
return;
}
[contextExecutor executeBlockOnJavaScriptQueue:^{
id rctJSContext = object_getIvar(contextExecutor, contextIvar);
JSGlobalContextRef ctx;
if (rctJSContext) {
ctx = [rctJSContext ctx];
}
else {
Class RCTJavaScriptContext = NSClassFromString(@"RCTJavaScriptContext");
if (RCTJavaScriptContext) {
ctx = JSGlobalContextCreate(NULL);
object_setIvar(contextExecutor, contextIvar, [[RCTJavaScriptContext alloc] initWithJSContext:ctx]);
}
else {
NSLog(@"Failed to load RCTJavaScriptContext class");
}
}
[RealmJS initializeContext:ctx];
}];
}
@end