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[ios, osx] Avoid unregistering observer for invalid task

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This commit is contained in:
Minh Nguyễn
2016-03-10 16:04:18 -08:00
committed by Minh Nguyễn
parent 7fa3b92429
commit ee20fd8fd8
1 changed files with 4 additions and 2 deletions
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6
platform/darwin/src/MGLOfflineTask.mm
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@@ -66,8 +66,10 @@ private:
}
- (void)dealloc {
mbgl::DefaultFileSource *mbglFileSource = [[MGLOfflineStorage sharedOfflineStorage] mbglFileSource];
mbglFileSource->setOfflineRegionObserver(*_mbglOfflineRegion, nullptr);
if (_mbglOfflineRegion && _state != MGLOfflineTaskStateInvalid) {
mbgl::DefaultFileSource *mbglFileSource = [[MGLOfflineStorage sharedOfflineStorage] mbglFileSource];
mbglFileSource->setOfflineRegionObserver(*_mbglOfflineRegion, nullptr);
}
}
- (id <MGLOfflineRegion>)region {