diff options
Diffstat (limited to 'platform/android/src/jni/generic_global_ref_deleter.hpp')
-rw-r--r-- | platform/android/src/jni/generic_global_ref_deleter.hpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/platform/android/src/jni/generic_global_ref_deleter.hpp b/platform/android/src/jni/generic_global_ref_deleter.hpp new file mode 100644 index 0000000000..4e53e0a0ce --- /dev/null +++ b/platform/android/src/jni/generic_global_ref_deleter.hpp @@ -0,0 +1,22 @@ +#pragma once + +#include <jni/jni.hpp> + +#include "../attach_env.hpp" + +namespace mbgl { +namespace android { + +// A deleter that doesn't retain an JNIEnv handle but instead tries to attach the JVM. This means +// it can be used on any thread to delete a global ref. +struct GenericGlobalRefDeleter { + void operator()(jni::jobject* p) const { + if (p) { + auto env = AttachEnv(); + env->DeleteGlobalRef(jni::Unwrap(p)); + } + } +}; + +} // namespace android +} // namespace mbgl |