131 lines
4.1 KiB
Objective-C
131 lines
4.1 KiB
Objective-C
/*
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* Copyright @ 2017-present Atlassian Pty Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "RCTBridgeWrapper.h"
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/**
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* Wrapper around RCTBridge which also implements the RCTBridgeDelegate methods,
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* allowing us to specify where the bundles are loaded from.
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*/
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@implementation RCTBridgeWrapper
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- (instancetype)init {
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self = [super init];
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if (self) {
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_bridge
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= [[RCTBridge alloc] initWithDelegate:self
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launchOptions:nil];
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}
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return self;
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}
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- (void)invalidate {
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[_bridge invalidate];
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}
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#pragma mark helper methods for getting the packager URL
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#if DEBUG
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static NSURL *serverRootWithHost(NSString *host) {
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return
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[NSURL URLWithString:
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[NSString stringWithFormat:@"http://%@:8081/", host]];
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}
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- (BOOL)isPackagerRunning:(NSString *)host {
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NSURL *url = [serverRootWithHost(host) URLByAppendingPathComponent:@"status"];
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NSURLSession *session = [NSURLSession sharedSession];
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NSURLRequest *request = [NSURLRequest requestWithURL:url];
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__block NSURLResponse *response;
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__block NSData *data;
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dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
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[[session dataTaskWithRequest:request
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completionHandler:^(NSData *d,
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NSURLResponse *res,
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__unused NSError *err) {
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data = d;
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response = res;
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dispatch_semaphore_signal(semaphore);
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}] resume];
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dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
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NSString *status = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
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return [status isEqualToString:@"packager-status:running"];
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}
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- (NSString *)guessPackagerHost {
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static NSString *ipGuess;
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static dispatch_once_t dispatchOncePredicate;
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dispatch_once(&dispatchOncePredicate, ^{
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NSString *ipPath
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= [[NSBundle bundleForClass:self.class] pathForResource:@"ip"
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ofType:@"txt"];
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ipGuess
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= [[NSString stringWithContentsOfFile:ipPath
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encoding:NSUTF8StringEncoding
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error:nil]
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stringByTrimmingCharactersInSet:
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[NSCharacterSet newlineCharacterSet]];
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});
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NSString *host = ipGuess ?: @"localhost";
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if ([self isPackagerRunning:host]) {
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return host;
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}
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return nil;
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}
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#endif
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#pragma mark RCTBridgeDelegate methods
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- (NSURL *)sourceURLForBridge:(RCTBridge *)bridge {
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#if DEBUG
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// In debug mode, try to fetch the bundle from the packager, or fallback to
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// the one inside the framework. The IP address for the packager host is
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// fetched from the ip.txt file inside the framework.
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//
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// This duplicates some functionality present in RCTBundleURLProvider, but
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// that mode is not designed to work inside a framework, because all
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// resources are loaded from the main bundle.
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NSString *host = [self guessPackagerHost];
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if (host != nil) {
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NSString *path = @"/index.bundle";
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NSString *query = @"platform=ios&dev=true&minify=false";
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NSURLComponents *components
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= [NSURLComponents componentsWithURL:serverRootWithHost(host)
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resolvingAgainstBaseURL:NO];
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components.path = path;
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components.query = query;
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return components.URL;
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}
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#endif
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return [[NSBundle bundleForClass:self.class] URLForResource:@"main"
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withExtension:@"jsbundle"];
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}
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@end
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