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/*
* Copyright (C) 2009 The Android Open Source Project
* Copyright (C) 2015 The CyanogenMod 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 "LightsService"
#include "jni.h"
#include "JNIHelp.h"
#include "android_runtime/AndroidRuntime.h"
#include <utils/misc.h>
#include <utils/Log.h>
#include <hardware/hardware.h>
#include <hardware/lights.h>
#include <stdio.h>
namespace android
{
// These values must correspond with the LIGHT_ID constants in
// LightsService.java
enum {
LIGHT_INDEX_BACKLIGHT = 0,
LIGHT_INDEX_KEYBOARD = 1,
LIGHT_INDEX_BUTTONS = 2,
LIGHT_INDEX_BATTERY = 3,
LIGHT_INDEX_NOTIFICATIONS = 4,
LIGHT_INDEX_ATTENTION = 5,
LIGHT_INDEX_BLUETOOTH = 6,
LIGHT_INDEX_WIFI = 7,
LIGHT_INDEX_CAPS = 8,
LIGHT_INDEX_FUNC = 9,
LIGHT_COUNT
};
struct Devices {
light_device_t* lights[LIGHT_COUNT];
};
static light_device_t* get_device(hw_module_t* module, char const* name)
{
int err;
hw_device_t* device;
err = module->methods->open(module, name, &device);
if (err == 0) {
return (light_device_t*)device;
} else {
return NULL;
}
}
static jlong init_native(JNIEnv* /* env */, jobject /* clazz */)
{
int err;
hw_module_t* module;
Devices* devices;
devices = (Devices*)malloc(sizeof(Devices));
err = hw_get_module(LIGHTS_HARDWARE_MODULE_ID, (hw_module_t const**)&module);
if (err == 0) {
devices->lights[LIGHT_INDEX_BACKLIGHT]
= get_device(module, LIGHT_ID_BACKLIGHT);
devices->lights[LIGHT_INDEX_KEYBOARD]
= get_device(module, LIGHT_ID_KEYBOARD);
devices->lights[LIGHT_INDEX_BUTTONS]
= get_device(module, LIGHT_ID_BUTTONS);
devices->lights[LIGHT_INDEX_BATTERY]
= get_device(module, LIGHT_ID_BATTERY);
devices->lights[LIGHT_INDEX_NOTIFICATIONS]
= get_device(module, LIGHT_ID_NOTIFICATIONS);
devices->lights[LIGHT_INDEX_ATTENTION]
= get_device(module, LIGHT_ID_ATTENTION);
devices->lights[LIGHT_INDEX_BLUETOOTH]
= get_device(module, LIGHT_ID_BLUETOOTH);
devices->lights[LIGHT_INDEX_WIFI]
= get_device(module, LIGHT_ID_WIFI);
devices->lights[LIGHT_INDEX_CAPS]
= get_device(module, LIGHT_ID_CAPS);
devices->lights[LIGHT_INDEX_FUNC]
= get_device(module, LIGHT_ID_FUNC);
} else {
memset(devices, 0, sizeof(Devices));
}
return (jlong)devices;
}
static void finalize_native(JNIEnv* /* env */, jobject /* clazz */, jlong ptr)
{
Devices* devices = (Devices*)ptr;
if (devices == NULL) {
return;
}
free(devices);
}
static void setLight_native(JNIEnv* /* env */, jobject /* clazz */, jlong ptr,
jint light, jint colorARGB, jint flashMode, jint onMS, jint offMS, jint brightnessMode,
jint brightnessLevel, jint multipleLeds)
{
Devices* devices = (Devices*)ptr;
light_state_t state;
int colorAlpha;
if (light < 0 || light >= LIGHT_COUNT || devices->lights[light] == NULL) {
return ;
}
if (brightnessLevel > 0 && brightnessLevel <= 0xFF) {
colorAlpha = (colorARGB & 0xFF000000) >> 24;
if (colorAlpha == 0x00) {
colorAlpha = 0xFF;
}
colorAlpha = (colorAlpha * brightnessLevel) / 0xFF;
colorARGB = (colorAlpha << 24) + (colorARGB & 0x00FFFFFF);
}
memset(&state, 0, sizeof(light_state_t));
state.color = colorARGB;
state.flashMode = flashMode;
state.flashOnMS = onMS;
state.flashOffMS = offMS;
state.brightnessMode = brightnessMode;
state.ledsModes = 0 |
(multipleLeds ? LIGHT_MODE_MULTIPLE_LEDS : 0);
{
ALOGD_IF_SLOW(50, "Excessive delay setting light");
devices->lights[light]->set_light(devices->lights[light], &state);
}
}
static JNINativeMethod method_table[] = {
{ "init_native", "()J", (void*)init_native },
{ "finalize_native", "(J)V", (void*)finalize_native },
{ "setLight_native", "(JIIIIIIII)V", (void*)setLight_native },
};
int register_android_server_LightsService(JNIEnv *env)
{
return jniRegisterNativeMethods(env, "com/android/server/lights/LightsService",
method_table, NELEM(method_table));
}
};
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