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/* //device/libs/android_runtime/android_os_Power.cpp
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include "JNIHelp.h"
#include "jni.h"
#include "android_runtime/AndroidRuntime.h"
#include <utils/misc.h>
#include <hardware_legacy/power.h>
#include <sys/reboot.h>
namespace android
{
static void throw_NullPointerException(JNIEnv *env, const char* msg)
{
jclass clazz;
clazz = env->FindClass("java/lang/NullPointerException");
env->ThrowNew(clazz, msg);
}
static void
acquireWakeLock(JNIEnv *env, jobject clazz, jint lock, jstring idObj)
{
if (idObj == NULL) {
throw_NullPointerException(env, "id is null");
return ;
}
const char *id = env->GetStringUTFChars(idObj, NULL);
acquire_wake_lock(lock, id);
env->ReleaseStringUTFChars(idObj, id);
}
static void
releaseWakeLock(JNIEnv *env, jobject clazz, jstring idObj)
{
if (idObj == NULL) {
throw_NullPointerException(env, "id is null");
return ;
}
const char *id = env->GetStringUTFChars(idObj, NULL);
release_wake_lock(id);
env->ReleaseStringUTFChars(idObj, id);
}
static int
setLastUserActivityTimeout(JNIEnv *env, jobject clazz, jlong timeMS)
{
return set_last_user_activity_timeout(timeMS/1000);
}
static int
setScreenState(JNIEnv *env, jobject clazz, jboolean on)
{
return set_screen_state(on);
}
static void android_os_Power_shutdown(JNIEnv *env, jobject clazz)
{
sync();
#ifdef HAVE_ANDROID_OS
reboot(RB_POWER_OFF);
#endif
}
static void android_os_Power_reboot(JNIEnv *env, jobject clazz, jstring reason)
{
sync();
#ifdef HAVE_ANDROID_OS
if (reason == NULL) {
reboot(RB_AUTOBOOT);
} else {
const char *chars = env->GetStringUTFChars(reason, NULL);
__reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
LINUX_REBOOT_CMD_RESTART2, (char*) chars);
env->ReleaseStringUTFChars(reason, chars); // In case it fails.
}
jniThrowIOException(env, errno);
#endif
}
static JNINativeMethod method_table[] = {
{ "acquireWakeLock", "(ILjava/lang/String;)V", (void*)acquireWakeLock },
{ "releaseWakeLock", "(Ljava/lang/String;)V", (void*)releaseWakeLock },
{ "setLastUserActivityTimeout", "(J)I", (void*)setLastUserActivityTimeout },
{ "setScreenState", "(Z)I", (void*)setScreenState },
{ "shutdown", "()V", (void*)android_os_Power_shutdown },
{ "reboot", "(Ljava/lang/String;)V", (void*)android_os_Power_reboot },
};
int register_android_os_Power(JNIEnv *env)
{
return AndroidRuntime::registerNativeMethods(
env, "android/os/Power",
method_table, NELEM(method_table));
}
};
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