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

CleanSpec.mk

@@ -184,7 +184,7 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/media/audio/effects/)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/framework-res_intermediates)
 $(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/framework-base_intermediates/src/core/java/android/print/IPrintClient.*)
-
+$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/services_intermediates)
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************

core/java/android/view/accessibility/AccessibilityManager.java

@@ -177,7 +177,8 @@ public final class AccessibilityManager {
                     userId = UserHandle.myUserId();
                 }
                 IBinder iBinder = ServiceManager.getService(Context.ACCESSIBILITY_SERVICE);
-                IAccessibilityManager service = IAccessibilityManager.Stub.asInterface(iBinder);
+                IAccessibilityManager service = iBinder == null
+                        ? null : IAccessibilityManager.Stub.asInterface(iBinder);
                 sInstance = new AccessibilityManager(context, service, userId);
             }
         }
@@ -197,10 +198,14 @@ public final class AccessibilityManager {
         mHandler = new MyHandler(context.getMainLooper());
         mService = service;
         mUserId = userId;
-
+        if (mService == null) {
+            mIsEnabled = false;
+        }
         try {
-            final int stateFlags = mService.addClient(mClient, userId);
-            setState(stateFlags);
+            if (mService != null) {
+                final int stateFlags = mService.addClient(mClient, userId);
+                setState(stateFlags);
+            }
         } catch (RemoteException re) {
             Log.e(LOG_TAG, "AccessibilityManagerService is dead", re);
         }
@@ -322,14 +327,16 @@ public final class AccessibilityManager {
     public List<AccessibilityServiceInfo> getInstalledAccessibilityServiceList() {
         List<AccessibilityServiceInfo> services = null;
         try {
-            services = mService.getInstalledAccessibilityServiceList(mUserId);
-            if (DEBUG) {
-                Log.i(LOG_TAG, "Installed AccessibilityServices " + services);
+            if (mService != null) {
+                services = mService.getInstalledAccessibilityServiceList(mUserId);
+                if (DEBUG) {
+                    Log.i(LOG_TAG, "Installed AccessibilityServices " + services);
+                }
             }
         } catch (RemoteException re) {
             Log.e(LOG_TAG, "Error while obtaining the installed AccessibilityServices. ", re);
         }
-        return Collections.unmodifiableList(services);
+        return services != null ? Collections.unmodifiableList(services) : Collections.EMPTY_LIST;
     }
 
     /**
@@ -349,14 +356,16 @@ public final class AccessibilityManager {
             int feedbackTypeFlags) {
         List<AccessibilityServiceInfo> services = null;
         try {
-            services = mService.getEnabledAccessibilityServiceList(feedbackTypeFlags, mUserId);
-            if (DEBUG) {
-                Log.i(LOG_TAG, "Installed AccessibilityServices " + services);
+            if (mService != null) {
+                services = mService.getEnabledAccessibilityServiceList(feedbackTypeFlags, mUserId);
+                if (DEBUG) {
+                    Log.i(LOG_TAG, "Installed AccessibilityServices " + services);
+                }
             }
         } catch (RemoteException re) {
             Log.e(LOG_TAG, "Error while obtaining the installed AccessibilityServices. ", re);
         }
-        return Collections.unmodifiableList(services);
+        return services != null ? Collections.unmodifiableList(services) : Collections.EMPTY_LIST;
     }
 
     /**
@@ -466,6 +475,9 @@ public final class AccessibilityManager {
      */
     public int addAccessibilityInteractionConnection(IWindow windowToken,
             IAccessibilityInteractionConnection connection) {
+        if (mService == null) {
+            return View.NO_ID;
+        }
         try {
             return mService.addAccessibilityInteractionConnection(windowToken, connection, mUserId);
         } catch (RemoteException re) {
@@ -482,7 +494,9 @@ public final class AccessibilityManager {
      */
     public void removeAccessibilityInteractionConnection(IWindow windowToken) {
         try {
-            mService.removeAccessibilityInteractionConnection(windowToken);
+            if (mService != null) {
+                mService.removeAccessibilityInteractionConnection(windowToken);
+            }
         } catch (RemoteException re) {
             Log.e(LOG_TAG, "Error while removing an accessibility interaction connection. ", re);
         }

services/Android.mk

@@ -0,0 +1,45 @@
+LOCAL_PATH:= $(call my-dir)
+
+# the java library
+# ============================================================
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES :=
+
+# TODO: Move this to the product makefiles
+REQUIRED_SERVICES := core appwidget backup devicepolicy accessibility print
+
+include $(patsubst %,$(LOCAL_PATH)/%/java/service.mk,$(REQUIRED_SERVICES))
+
+LOCAL_MODULE:= services
+
+LOCAL_JAVA_LIBRARIES := android.policy conscrypt telephony-common
+
+#LOCAL_PROGUARD_ENABLED := full
+#LOCAL_PROGUARD_FLAG_FILES := proguard.flags
+
+include $(BUILD_JAVA_LIBRARY)
+
+include $(BUILD_DROIDDOC)
+
+# native library
+# =============================================================
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES :=
+LOCAL_SHARED_LIBRARIES :=
+
+# include all the jni subdirs to collect their sources
+include $(wildcard $(LOCAL_PATH)/*/jni/Android.mk)
+
+LOCAL_CFLAGS += -DEGL_EGLEXT_PROTOTYPES -DGL_GLEXT_PROTOTYPES
+
+ifeq ($(WITH_MALLOC_LEAK_CHECK),true)
+    LOCAL_CFLAGS += -DMALLOC_LEAK_CHECK
+endif
+
+LOCAL_MODULE:= libandroid_servers
+
+include $(BUILD_SHARED_LIBRARY)
+

services/accessibility/java/service.mk

@@ -0,0 +1,11 @@
+# Include only if the service is required
+ifneq ($(findstring accessibility,$(REQUIRED_SERVICES)),)
+
+SUB_DIR := accessibility/java
+
+LOCAL_SRC_FILES += \
+      $(call all-java-files-under,$(SUB_DIR))
+
+#DEFINED_SERVICES += com.android.server.accessibility.AccessibilityManagerService
+
+endif

services/appwidget/java/service.mk

@@ -0,0 +1,11 @@
+# Include only if the service is required
+ifneq ($(findstring appwidget,$(REQUIRED_SERVICES)),)
+
+SUB_DIR := appwidget/java
+
+LOCAL_SRC_FILES += \
+      $(call all-java-files-under,$(SUB_DIR))
+
+#DEFINED_SERVICES += com.android.server.appwidget.AppWidgetService
+
+endif

services/backup/java/service.mk

@@ -0,0 +1,11 @@
+# Include only if the service is required
+ifneq ($(findstring backup,$(REQUIRED_SERVICES)),)
+
+SUB_DIR := backup/java
+
+LOCAL_SRC_FILES += \
+      $(call all-java-files-under,$(SUB_DIR))
+
+#DEFINED_SERVICES += com.android.server.backup.BackupManagerService
+
+endif