[ios] Add a flag to pause network requests.

2 files changed, 12 insertions, 0 deletions

diff --git a/platform/darwin/src/MGLNetworkConfiguration.h b/platform/darwin/src/MGLNetworkConfiguration.h
index 6c56050aae..91932c2d1d 100644
--- a/platform/darwin/src/MGLNetworkConfiguration.h
+++ b/platform/darwin/src/MGLNetworkConfiguration.h
@@ -32,6 +32,14 @@ MGL_EXPORT
  */
 @property (atomic, strong, null_resettable) NSURLSessionConfiguration *sessionConfiguration;
 
+/**
+A Boolean value indicating whether the current `NSURLSessionConfiguration` stops
+making network requests.
+ 
+The default value of this property is `NO`.
+*/
+@property (atomic, assign) BOOL stopsRequests;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/platform/darwin/src/http_file_source.mm b/platform/darwin/src/http_file_source.mm
index b0f69f4a7f..09562e0347 100644
--- a/platform/darwin/src/http_file_source.mm
+++ b/platform/darwin/src/http_file_source.mm
@@ -229,6 +229,10 @@ NSURL *resourceURLWithAccountType(const Resource& resource, NSInteger accountTyp
 std::unique_ptr<AsyncRequest> HTTPFileSource::request(const Resource& resource, Callback callback) {
     auto request = std::make_unique<HTTPRequest>(callback);
     auto shared = request->shared; // Explicit copy so that it also gets copied into the completion handler block below.
+    
+    if ([MGLNetworkConfiguration sharedManager].stopsRequests) {
+        return std::move(request);
+    }
 
     @autoreleasepool {
         NSURL *url = resourceURLWithAccountType(resource, impl->accountType);