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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.
*/
#define LOG_TAG "Power-JNI"
#include "JNIHelp.h"
#include "jni.h"
#include "android_runtime/AndroidRuntime.h"
#include <utils/misc.h>
#include <hardware/power.h>
#include <hardware_legacy/power.h>
#include <cutils/android_reboot.h>
#include <suspend/autosuspend.h>
static struct power_module *sPowerModule;
namespace android
{
static void
acquireWakeLock(JNIEnv *env, jobject clazz, jint lock, jstring idObj)
{
if (idObj == NULL) {
jniThrowNullPointerException(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) {
jniThrowNullPointerException(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)
{
if (on) {
autosuspend_disable();
if (sPowerModule) {
sPowerModule->setInteractive(sPowerModule, true);
}
} else {
if (sPowerModule) {
sPowerModule->setInteractive(sPowerModule, false);
}
autosuspend_enable();
}
return 0;
}
static void android_os_Power_shutdown(JNIEnv *env, jobject clazz)
{
android_reboot(ANDROID_RB_POWEROFF, 0, 0);
}
static void android_os_Power_reboot(JNIEnv *env, jobject clazz, jstring reason)
{
if (reason == NULL) {
android_reboot(ANDROID_RB_RESTART, 0, 0);
} else {
const char *chars = env->GetStringUTFChars(reason, NULL);
android_reboot(ANDROID_RB_RESTART2, 0, (char *) chars);
env->ReleaseStringUTFChars(reason, chars); // In case it fails.
}
jniThrowIOException(env, errno);
}
static int android_os_Power_init(JNIEnv *env, jobject clazz)
{
status_t err = hw_get_module(POWER_HARDWARE_MODULE_ID,
(hw_module_t const**)&sPowerModule);
ALOGE_IF(err, "couldn't load %s module (%s)",
POWER_HARDWARE_MODULE_ID, strerror(-err));
if (!err)
sPowerModule->init(sPowerModule);
return err;
}
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 },
{ "powerInitNative", "()I", (void*)android_os_Power_init },
{ "rebootNative", "(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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