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[android] Small trick for faster DownloadUI displaying - caching returned country size

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Alex Zolotarev 2011-12-17 22:51:38 +03:00 • committed by Alex Zolotarev
parent dbca54f5f7
commit 7285c28713
1 changed files with 16 additions and 4 deletions
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20
android/jni/com/mapswithme/maps/DownloadUI.cpp
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@ -96,20 +96,32 @@ extern "C"
return env->NewStringUTF(name.c_str());
}
// @TODO Small hack to save time by caching last file size
storage::TIndex g_lastCountryIndex(storage::TIndex::INVALID);
storage::LocalAndRemoteSizeT g_lastSize(-1, -1);
JNIEXPORT jlong JNICALL
Java_com_mapswithme_maps_DownloadUI_countryLocalSizeInBytes(JNIEnv * env, jobject thiz,
jint group, jint country, jint region)
{
storage::LocalAndRemoteSizeT const s = g_framework->Storage().CountrySizeInBytes(storage::TIndex(group, country, region));
return s.first;
storage::TIndex const index(group, country, region);
if (index == g_lastCountryIndex)
return g_lastSize.first;
g_lastCountryIndex = index;
g_lastSize = g_framework->Storage().CountrySizeInBytes(index);
return g_lastSize.first;
}
JNIEXPORT jlong JNICALL
Java_com_mapswithme_maps_DownloadUI_countryRemoteSizeInBytes(JNIEnv * env, jobject thiz,
jint group, jint country, jint region)
{
storage::LocalAndRemoteSizeT const s = g_framework->Storage().CountrySizeInBytes(storage::TIndex(group, country, region));
return s.second;
storage::TIndex const index(group, country, region);
if (index == g_lastCountryIndex)
return g_lastSize.second;
g_lastCountryIndex = index;
g_lastSize = g_framework->Storage().CountrySizeInBytes(index);
return g_lastSize.second;
}
JNIEXPORT jint JNICALL