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Optimized RemoveAnnotations to a single call

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This commit is contained in:
Niklas Ulvinge
2015-07-19 19:59:46 +02:00
parent 13d86d4cbc
commit ab82bdd438
5 changed files with 47 additions and 14 deletions
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31
android/cpp/jni.cpp
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@@ -746,6 +746,36 @@ void JNICALL nativeRemoveAnnotation(JNIEnv *env, jobject obj, jlong nativeMapVie
nativeMapView->getMap().removeAnnotation((uint32_t)annotationId);
}
void JNICALL nativeRemoveAnnotations(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, jlongArray array) {
mbgl::Log::Debug(mbgl::Event::JNI, "nativeRemoveAnnotations");
assert(nativeMapViewPtr != 0);
NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
std::vector<uint32_t> ids;
if (env->ExceptionCheck() || (array == nullptr)) {
env->ExceptionDescribe();
return;
}
jsize len = env->GetArrayLength(array);
if (len < 0) {
env->ExceptionDescribe();
return;
}
ids.reserve(len);
jlong* jids = env->GetLongArrayElements(array, nullptr);
for (jsize i = 0; i < len; i++) {
if(jids[i] == -1L)
continue;
ids.push_back((uint32_t) jids[i]);
}
nativeMapView->getMap().removeAnnotations(ids);
}
jobject JNICALL nativeGetLatLng(JNIEnv *env, jobject obj, jlong nativeMapViewPtr) {
mbgl::Log::Debug(mbgl::Event::JNI, "nativeGetLatLng");
assert(nativeMapViewPtr != 0);
@@ -1418,6 +1448,7 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
{"nativeAddPolygons", "(JLjava/util/List;)[J",
reinterpret_cast<void *>(&nativeAddPolygons)},
{"nativeRemoveAnnotation", "(JJ)V", reinterpret_cast<void *>(&nativeRemoveAnnotation)},
{"nativeRemoveAnnotations", "(J[J)V", reinterpret_cast<void *>(&nativeRemoveAnnotations)},
{"nativeGetLatLng", "(J)Lcom/mapbox/mapboxgl/geometry/LatLng;",
reinterpret_cast<void *>(&nativeGetLatLng)},
{"nativeResetPosition", "(J)V", reinterpret_cast<void *>(&nativeResetPosition)},