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

1 files changed, 27 insertions, 13 deletions

diff --git a/core/java/android/view/accessibility/AccessibilityManager.java b/core/java/android/view/accessibility/AccessibilityManager.java
index 00f4adb..879e58f 100644
--- a/core/java/android/view/accessibility/AccessibilityManager.java
+++ b/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);
         }