43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
|
// Copyright 2013 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/important_file_writer_android.h"
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "base/android/jni_string.h"
|
||
|
|
#include "base/files/important_file_writer.h"
|
||
|
|
#include "base/threading/thread_restrictions.h"
|
||
|
|
#include "jni/ImportantFileWriterAndroid_jni.h"
|
||
|
|
|
||
|
|
namespace base {
|
||
|
|
namespace android {
|
||
|
|
|
||
|
|
static jboolean WriteFileAtomically(JNIEnv* env,
|
||
|
|
jclass /* clazz */,
|
||
|
|
jstring file_name,
|
||
|
|
jbyteArray data) {
|
||
|
|
// This is called on the UI thread during shutdown to save tab data, so
|
||
|
|
// needs to enable IO.
|
||
|
|
base::ThreadRestrictions::ScopedAllowIO allow_io;
|
||
|
|
std::string native_file_name;
|
||
|
|
base::android::ConvertJavaStringToUTF8(env, file_name, &native_file_name);
|
||
|
|
base::FilePath path(native_file_name);
|
||
|
|
int data_length = env->GetArrayLength(data);
|
||
|
|
jbyte* native_data = env->GetByteArrayElements(data, NULL);
|
||
|
|
std::string native_data_string(reinterpret_cast<char *>(native_data),
|
||
|
|
data_length);
|
||
|
|
bool result = base::ImportantFileWriter::WriteFileAtomically(
|
||
|
|
path, native_data_string);
|
||
|
|
env->ReleaseByteArrayElements(data, native_data, JNI_ABORT);
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool RegisterImportantFileWriterAndroid(JNIEnv* env) {
|
||
|
|
return RegisterNativesImpl(env);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace android
|
||
|
|
} // namespace base
|