Move some system services to separate directories

Refactored the directory structure so that services can be optionally
excluded. This is step 1. Will be followed by another change that makes
it possible to remove services from the build.

Change-Id: Ideacedfd34b5e213217ad3ff4ebb21c4a8e73f85

3 files changed, 277 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/lights/Light.java b/services/core/java/com/android/server/lights/Light.java
new file mode 100644
index 0000000..b496b4c
--- /dev/null
+++ b/services/core/java/com/android/server/lights/Light.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+package com.android.server.lights;
+
+public abstract class Light {
+    public static final int LIGHT_FLASH_NONE = 0;
+    public static final int LIGHT_FLASH_TIMED = 1;
+    public static final int LIGHT_FLASH_HARDWARE = 2;
+
+    /**
+     * Light brightness is managed by a user setting.
+     */
+    public static final int BRIGHTNESS_MODE_USER = 0;
+
+    /**
+     * Light brightness is managed by a light sensor.
+     */
+    public static final int BRIGHTNESS_MODE_SENSOR = 1;
+
+    public abstract void setBrightness(int brightness);
+    public abstract void setBrightness(int brightness, int brightnessMode);
+    public abstract void setColor(int color);
+    public abstract void setFlashing(int color, int mode, int onMS, int offMS);
+    public abstract void pulse();
+    public abstract void pulse(int color, int onMS);
+    public abstract void turnOff();
+}
\ No newline at end of file
diff --git a/services/core/java/com/android/server/lights/LightsManager.java b/services/core/java/com/android/server/lights/LightsManager.java
new file mode 100644
index 0000000..2f20509
--- /dev/null
+++ b/services/core/java/com/android/server/lights/LightsManager.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2013 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.
+ */
+
+package com.android.server.lights;
+
+public abstract class LightsManager {
+    public static final int LIGHT_ID_BACKLIGHT = 0;
+    public static final int LIGHT_ID_KEYBOARD = 1;
+    public static final int LIGHT_ID_BUTTONS = 2;
+    public static final int LIGHT_ID_BATTERY = 3;
+    public static final int LIGHT_ID_NOTIFICATIONS = 4;
+    public static final int LIGHT_ID_ATTENTION = 5;
+    public static final int LIGHT_ID_BLUETOOTH = 6;
+    public static final int LIGHT_ID_WIFI = 7;
+    public static final int LIGHT_ID_COUNT = 8;
+
+    public abstract Light getLight(int id);
+}
diff --git a/services/core/java/com/android/server/lights/LightsService.java b/services/core/java/com/android/server/lights/LightsService.java
new file mode 100644
index 0000000..d814785
--- /dev/null
+++ b/services/core/java/com/android/server/lights/LightsService.java
@@ -0,0 +1,205 @@
+/*
+ * Copyright (C) 2008 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.
+ */
+
+package com.android.server.lights;
+
+import com.android.server.SystemService;
+
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Handler;
+import android.os.IHardwareService;
+import android.os.Message;
+import android.util.Slog;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+
+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;
+        }
+
+        @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 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);
+                    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 (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;
+                setLight_native(mNativePointer, mId, color, mode, onMS, offMS, brightnessMode);
+            }
+        }
+
+        private int mId;
+        private int mColor;
+        private int mMode;
+        private int mOnMS;
+        private int mOffMS;
+        private boolean mFlashing;
+    }
+
+    /* This class implements an obsolete API that was removed after eclair and re-added during the
+     * final moments of the froyo release to support flashlight apps that had been using the private
+     * IHardwareService API. This is expected to go away in the next release.
+     */
+    private final IHardwareService.Stub mLegacyFlashlightHack = new IHardwareService.Stub() {
+
+        private static final String FLASHLIGHT_FILE = "/sys/class/leds/spotlight/brightness";
+
+        public boolean getFlashlightEnabled() {
+            try {
+                FileInputStream fis = new FileInputStream(FLASHLIGHT_FILE);
+                int result = fis.read();
+                fis.close();
+                return (result != '0');
+            } catch (Exception e) {
+                return false;
+            }
+        }
+
+        public void setFlashlightEnabled(boolean on) {
+            final Context context = getContext();
+            if (context.checkCallingOrSelfPermission(android.Manifest.permission.FLASHLIGHT)
+                    != PackageManager.PERMISSION_GRANTED &&
+                    context.checkCallingOrSelfPermission(android.Manifest.permission.HARDWARE_TEST)
+                    != PackageManager.PERMISSION_GRANTED) {
+                throw new SecurityException("Requires FLASHLIGHT or HARDWARE_TEST permission");
+            }
+            try {
+                FileOutputStream fos = new FileOutputStream(FLASHLIGHT_FILE);
+                byte[] bytes = new byte[2];
+                bytes[0] = (byte)(on ? '1' : '0');
+                bytes[1] = '\n';
+                fos.write(bytes);
+                fos.close();
+            } catch (Exception e) {
+                // fail silently
+            }
+        }
+    };
+
+    @Override
+    public void onCreate(Context context) {
+        mNativePointer = init_native();
+
+        for (int i = 0; i < LightsManager.LIGHT_ID_COUNT; i++) {
+            mLights[i] = new LightImpl(i);
+        }
+    }
+
+    @Override
+    public void onStart() {
+        publishBinderService("hardware", mLegacyFlashlightHack);
+        publishLocalService(LightsManager.class, mService);
+    }
+
+    private final LightsManager mService = new LightsManager() {
+        @Override
+        public com.android.server.lights.Light getLight(int id) {
+            if (id < LIGHT_ID_COUNT) {
+                return mLights[id];
+            } else {
+                return null;
+            }
+        }
+    };
+
+    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 int init_native();
+    private static native void finalize_native(int ptr);
+
+    static native void setLight_native(int ptr, int light, int color, int mode,
+            int onMS, int offMS, int brightnessMode);
+
+    int mNativePointer;
+}