| /* |
| * Copyright (C) 2009 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 "VibratorService" |
| |
| #include "jni.h" |
| #include "JNIHelp.h" |
| #include "android_runtime/AndroidRuntime.h" |
| |
| #include <utils/misc.h> |
| #include <utils/Log.h> |
| #include <hardware/vibrator.h> |
| |
| #include <stdio.h> |
| |
| namespace android |
| { |
| |
| static hw_module_t *gVibraModule = NULL; |
| static vibrator_device_t *gVibraDevice = NULL; |
| |
| static void vibratorInit(JNIEnv /* env */, jobject /* clazz */) |
| { |
| if (gVibraModule != NULL) { |
| return; |
| } |
| |
| int err = hw_get_module(VIBRATOR_HARDWARE_MODULE_ID, (hw_module_t const**)&gVibraModule); |
| |
| if (err) { |
| ALOGE("Couldn't load %s module (%s)", VIBRATOR_HARDWARE_MODULE_ID, strerror(-err)); |
| } else { |
| if (gVibraModule) { |
| vibrator_open(gVibraModule, &gVibraDevice); |
| } |
| } |
| } |
| |
| static jboolean vibratorExists(JNIEnv* /* env */, jobject /* clazz */) |
| { |
| if (gVibraModule && gVibraDevice) { |
| return JNI_TRUE; |
| } else { |
| return JNI_FALSE; |
| } |
| } |
| |
| static void vibratorOn(JNIEnv* /* env */, jobject /* clazz */, jlong timeout_ms) |
| { |
| if (gVibraDevice) { |
| int err = gVibraDevice->vibrator_on(gVibraDevice, timeout_ms); |
| if (err != 0) { |
| ALOGE("The hw module failed in vibrator_on: %s", strerror(-err)); |
| } |
| } else { |
| ALOGW("Tried to vibrate but there is no vibrator device."); |
| } |
| } |
| |
| static void vibratorOff(JNIEnv* /* env */, jobject /* clazz */) |
| { |
| if (gVibraDevice) { |
| int err = gVibraDevice->vibrator_off(gVibraDevice); |
| if (err != 0) { |
| ALOGE("The hw module failed in vibrator_off(): %s", strerror(-err)); |
| } |
| } else { |
| ALOGW("Tried to stop vibrating but there is no vibrator device."); |
| } |
| } |
| |
| static const JNINativeMethod method_table[] = { |
| { "vibratorExists", "()Z", (void*)vibratorExists }, |
| { "vibratorInit", "()V", (void*)vibratorInit }, |
| { "vibratorOn", "(J)V", (void*)vibratorOn }, |
| { "vibratorOff", "()V", (void*)vibratorOff } |
| }; |
| |
| int register_android_server_VibratorService(JNIEnv *env) |
| { |
| return jniRegisterNativeMethods(env, "com/android/server/VibratorService", |
| method_table, NELEM(method_table)); |
| } |
| |
| }; |