The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* //device/libs/android_runtime/android_os_Power.cpp |
| 2 | ** |
| 3 | ** Copyright 2006, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #include "JNIHelp.h" |
| 19 | #include "jni.h" |
| 20 | #include "android_runtime/AndroidRuntime.h" |
| 21 | #include <utils/misc.h> |
| 22 | #include <hardware_legacy/power.h> |
| 23 | #include <sys/reboot.h> |
| 24 | |
| 25 | namespace android |
| 26 | { |
| 27 | |
| 28 | static void throw_NullPointerException(JNIEnv *env, const char* msg) |
| 29 | { |
| 30 | jclass clazz; |
| 31 | clazz = env->FindClass("java/lang/NullPointerException"); |
| 32 | env->ThrowNew(clazz, msg); |
| 33 | } |
| 34 | |
| 35 | static void |
| 36 | acquireWakeLock(JNIEnv *env, jobject clazz, jint lock, jstring idObj) |
| 37 | { |
| 38 | if (idObj == NULL) { |
| 39 | throw_NullPointerException(env, "id is null"); |
| 40 | return ; |
| 41 | } |
| 42 | |
| 43 | const char *id = env->GetStringUTFChars(idObj, NULL); |
| 44 | |
| 45 | acquire_wake_lock(lock, id); |
| 46 | |
| 47 | env->ReleaseStringUTFChars(idObj, id); |
| 48 | } |
| 49 | |
| 50 | static void |
| 51 | releaseWakeLock(JNIEnv *env, jobject clazz, jstring idObj) |
| 52 | { |
| 53 | if (idObj == NULL) { |
| 54 | throw_NullPointerException(env, "id is null"); |
| 55 | return ; |
| 56 | } |
| 57 | |
| 58 | const char *id = env->GetStringUTFChars(idObj, NULL); |
| 59 | |
| 60 | release_wake_lock(id); |
| 61 | |
| 62 | env->ReleaseStringUTFChars(idObj, id); |
| 63 | |
| 64 | } |
| 65 | |
| 66 | static int |
| 67 | setLastUserActivityTimeout(JNIEnv *env, jobject clazz, jlong timeMS) |
| 68 | { |
| 69 | return set_last_user_activity_timeout(timeMS/1000); |
| 70 | } |
| 71 | |
| 72 | static int |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | setScreenState(JNIEnv *env, jobject clazz, jboolean on) |
| 74 | { |
| 75 | return set_screen_state(on); |
| 76 | } |
| 77 | |
| 78 | static void android_os_Power_shutdown(JNIEnv *env, jobject clazz) |
| 79 | { |
| 80 | sync(); |
| 81 | #ifdef HAVE_ANDROID_OS |
| 82 | reboot(RB_POWER_OFF); |
| 83 | #endif |
| 84 | } |
| 85 | |
| 86 | static void android_os_Power_reboot(JNIEnv *env, jobject clazz, jstring reason) |
| 87 | { |
| 88 | sync(); |
| 89 | #ifdef HAVE_ANDROID_OS |
| 90 | if (reason == NULL) { |
| 91 | reboot(RB_AUTOBOOT); |
| 92 | } else { |
| 93 | const char *chars = env->GetStringUTFChars(reason, NULL); |
| 94 | __reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, |
| 95 | LINUX_REBOOT_CMD_RESTART2, (char*) chars); |
| 96 | env->ReleaseStringUTFChars(reason, chars); // In case it fails. |
| 97 | } |
| 98 | jniThrowIOException(env, errno); |
| 99 | #endif |
| 100 | } |
| 101 | |
| 102 | static JNINativeMethod method_table[] = { |
| 103 | { "acquireWakeLock", "(ILjava/lang/String;)V", (void*)acquireWakeLock }, |
| 104 | { "releaseWakeLock", "(Ljava/lang/String;)V", (void*)releaseWakeLock }, |
| 105 | { "setLastUserActivityTimeout", "(J)I", (void*)setLastUserActivityTimeout }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 106 | { "setScreenState", "(Z)I", (void*)setScreenState }, |
| 107 | { "shutdown", "()V", (void*)android_os_Power_shutdown }, |
| 108 | { "reboot", "(Ljava/lang/String;)V", (void*)android_os_Power_reboot }, |
| 109 | }; |
| 110 | |
| 111 | int register_android_os_Power(JNIEnv *env) |
| 112 | { |
| 113 | return AndroidRuntime::registerNativeMethods( |
| 114 | env, "android/os/Power", |
| 115 | method_table, NELEM(method_table)); |
| 116 | } |
| 117 | |
| 118 | }; |