blob: 0d796193829ccebde22d7eadf7b30015ea27509f [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/animation_frame_time_histogram.h"
#include "base/android/jni_string.h"
#include "base/metrics/histogram_macros.h"
#include "jni/AnimationFrameTimeHistogram_jni.h"
// static
void SaveHistogram(JNIEnv* env,
jobject jcaller,
jstring j_histogram_name,
jlongArray j_frame_times_ms,
jint j_count) {
jlong *frame_times_ms = env->GetLongArrayElements(j_frame_times_ms, NULL);
std::string histogram_name = base::android::ConvertJavaStringToUTF8(
env, j_histogram_name);
for (int i = 0; i < j_count; ++i) {
UMA_HISTOGRAM_TIMES(histogram_name.c_str(),
base::TimeDelta::FromMilliseconds(frame_times_ms[i]));
}
}
namespace base {
namespace android {
// static
bool RegisterAnimationFrameTimeHistogram(JNIEnv* env) {
return RegisterNativesImpl(env);
}
} // namespace android
} // namespace base