[ios] Add MGLErrorCodeOfflineDatabase

2 files changed, 11 insertions, 9 deletions

diff --git a/platform/darwin/src/MGLOfflineStorage.mm b/platform/darwin/src/MGLOfflineStorage.mm
index 7ad04deb33..dc51666d0a 100644
--- a/platform/darwin/src/MGLOfflineStorage.mm
+++ b/platform/darwin/src/MGLOfflineStorage.mm
@@ -340,7 +340,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
         NSMutableArray *packs;
         if (!result) {
             NSString *description = [NSString stringWithFormat:NSLocalizedStringWithDefaultValue(@"ADD_FILE_CONTENTS_FAILED_DESC", @"Foundation", nil, @"Unable to add offline packs from the file at %@.", @"User-friendly error description"), filePath];
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                                                                                NSLocalizedDescriptionKey: description,
                                                                                NSLocalizedFailureReasonErrorKey: @(mbgl::util::toString(result.error()).c_str())
                                                                                }];
@@ -400,7 +400,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
         NSError *error;
         if (!mbglOfflineRegion) {
             NSString *errorDescription = @(mbgl::util::toString(mbglOfflineRegion.error()).c_str());
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:errorDescription ? @{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:errorDescription ? @{
                 NSLocalizedDescriptionKey: errorDescription,
             } : nil];
         }
@@ -433,7 +433,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
     _mbglFileSource->deleteOfflineRegion(std::move(*mbglOfflineRegion), [&, completion](std::exception_ptr exception) {
         NSError *error;
         if (exception) {
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(exception).c_str()),
             }];
         }
@@ -456,7 +456,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
 
     _mbglFileSource->invalidateOfflineRegion(region, [&](std::exception_ptr exception) {
         if (exception) {
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(exception).c_str()),
             }];
         }
@@ -483,7 +483,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
         NSError *error;
         NSMutableArray *packs;
         if (!result) {
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(result.error()).c_str()),
             }];
         } else {
@@ -513,7 +513,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
     _mbglFileSource->setMaximumAmbientCacheSize(cacheSize, [&, completion](std::exception_ptr exception) {
         NSError *error;
         if (exception) {
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(exception).c_str()),
             }];
         }
@@ -530,7 +530,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
         NSError *error;
         if (exception) {
             // Convert std::exception_ptr to an NSError.
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(exception).c_str()),
             }];
         }
@@ -546,7 +546,7 @@ const MGLExceptionName MGLUnsupportedRegionTypeException = @"MGLUnsupportedRegio
     _mbglFileSource->clearAmbientCache([&, completion](std::exception_ptr exception){
         NSError *error;
         if (exception) {
-            error = [NSError errorWithDomain:MGLErrorDomain code:-1 userInfo:@{
+            error = [NSError errorWithDomain:MGLErrorDomain code:9 userInfo:@{
                 NSLocalizedDescriptionKey: @(mbgl::util::toString(exception).c_str()),
             }];
         }
diff --git a/platform/darwin/src/MGLTypes.h b/platform/darwin/src/MGLTypes.h
index 491e24310f..7e95847e66 100644
--- a/platform/darwin/src/MGLTypes.h
+++ b/platform/darwin/src/MGLTypes.h
@@ -53,7 +53,9 @@ typedef NS_ENUM(NSInteger, MGLErrorCode) {
     /** Source is in use and cannot be removed */
     MGLErrorCodeSourceIsInUseCannotRemove = 7,
     /** Source is in use and cannot be removed */
-    MGLErrorCodeSourceIdentifierMismatch = 8
+    MGLErrorCodeSourceIdentifierMismatch = 8,
+    /** An error occurred while accessing or modifying the offline database */
+    MGLErrorCodeOfflineDatabase = 9
 };
 
 /** Options for enabling debugging features in an `MGLMapView` instance. */