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/*
* Copyright (C) 2008 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.
*/
package com.android.server.lights;
import com.android.server.SystemService;
import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.os.Trace;
import android.util.Slog;
public class LightsService extends SystemService {
static final String TAG = "LightsService";
static final boolean DEBUG = false;
final LightImpl mLights[] = new LightImpl[LightsManager.LIGHT_ID_COUNT];
private final class LightImpl extends Light {
private LightImpl(int id) {
mId = id;
mBrightnessLevel = 0xFF;
mModesUpdate = false;
mMultipleLeds = false;
}
@Override
public void setBrightness(int brightness) {
setBrightness(brightness, BRIGHTNESS_MODE_USER);
}
@Override
public void setBrightness(int brightness, int brightnessMode) {
synchronized (this) {
int color = brightness & 0x000000ff;
color = 0xff000000 | (color << 16) | (color << 8) | color;
setLightLocked(color, LIGHT_FLASH_NONE, 0, 0, brightnessMode);
}
}
@Override
public void setColor(int color) {
synchronized (this) {
setLightLocked(color, LIGHT_FLASH_NONE, 0, 0, 0);
}
}
@Override
public void setFlashing(int color, int mode, int onMS, int offMS) {
synchronized (this) {
setLightLocked(color, mode, onMS, offMS, BRIGHTNESS_MODE_USER);
}
}
@Override
public void setModes(int brightnessLevel, boolean multipleLeds) {
synchronized (this) {
if (mBrightnessLevel != brightnessLevel) {
mBrightnessLevel = brightnessLevel;
mModesUpdate = true;
}
if (mMultipleLeds != multipleLeds) {
mMultipleLeds = multipleLeds;
mModesUpdate = true;
}
}
}
@Override
public void pulse() {
pulse(0x00ffffff, 7);
}
@Override
public void pulse(int color, int onMS) {
synchronized (this) {
if (mColor == 0 && !mFlashing) {
setLightLocked(color, LIGHT_FLASH_HARDWARE, onMS, 1000, BRIGHTNESS_MODE_USER);
mColor = 0;
mH.sendMessageDelayed(Message.obtain(mH, 1, this), onMS);
}
}
}
@Override
public void turnOff() {
synchronized (this) {
setLightLocked(0, LIGHT_FLASH_NONE, 0, 0, 0);
}
}
private void stopFlashing() {
synchronized (this) {
setLightLocked(mColor, LIGHT_FLASH_NONE, 0, 0, BRIGHTNESS_MODE_USER);
}
}
private void setLightLocked(int color, int mode, int onMS, int offMS, int brightnessMode) {
if (mModesUpdate || color != mColor || mode != mMode || onMS != mOnMS ||
offMS != mOffMS) {
if (DEBUG) Slog.v(TAG, "setLight #" + mId + ": color=#"
+ Integer.toHexString(color));
mColor = color;
mMode = mode;
mOnMS = onMS;
mOffMS = offMS;
mModesUpdate = false;
Trace.traceBegin(Trace.TRACE_TAG_POWER, "setLight(" + mId + ", 0x"
+ Integer.toHexString(color) + ")");
try {
setLight_native(mNativePointer, mId, color, mode, onMS, offMS, brightnessMode,
mBrightnessLevel, mMultipleLeds ? 1 : 0);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
}
private int mId;
private int mColor;
private int mMode;
private int mOnMS;
private int mOffMS;
private int mBrightnessLevel;
private boolean mFlashing;
private boolean mModesUpdate;
private boolean mMultipleLeds;
}
public LightsService(Context context) {
super(context);
mNativePointer = init_native();
for (int i = 0; i < LightsManager.LIGHT_ID_COUNT; i++) {
mLights[i] = new LightImpl(i);
}
}
@Override
public void onStart() {
publishLocalService(LightsManager.class, mService);
}
private final LightsManager mService = new LightsManager() {
@Override
public Light getLight(int id) {
if (id < LIGHT_ID_COUNT) {
return mLights[id];
} else {
return null;
}
}
};
@Override
protected void finalize() throws Throwable {
finalize_native(mNativePointer);
super.finalize();
}
private Handler mH = new Handler() {
@Override
public void handleMessage(Message msg) {
LightImpl light = (LightImpl)msg.obj;
light.stopFlashing();
}
};
private static native long init_native();
private static native void finalize_native(long ptr);
static native void setLight_native(long ptr, int light, int color, int mode,
int onMS, int offMS, int brightnessMode, int brightnessLevel,
int mMultipleLeds);
private long mNativePointer;
}
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