Move more encapsulated IMMS members

Bug: 205676419
Test: make
Change-Id: I005761b1b1aa909c2abe726999be138e3a667510

services/core/java/com/android/server/inputmethod/InputMethodBindingController.java

@@ -23,9 +23,12 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.IBinder;
+import android.os.Process;
 import android.util.ArrayMap;
 import android.view.inputmethod.InputMethodInfo;
 
+import com.android.internal.view.IInputMethod;
+
 /**
  * A controller managing the state of the input method binding.
  */
@@ -42,6 +45,8 @@ final class InputMethodBindingController {
     @Nullable private String mCurId;
     @Nullable private String mSelectedMethodId;
     @Nullable private Intent mCurIntent;
+    @Nullable private IInputMethod mCurMethod;
+    private int mCurMethodUid = Process.INVALID_UID;
     private IBinder mCurToken;
     private int mCurSeq;
     private boolean mVisibleBound;
@@ -159,6 +164,30 @@ final class InputMethodBindingController {
         }
     }
 
+    /**
+     * If non-null, this is the input method service we are currently connected
+     * to.
+     */
+    @Nullable
+    IInputMethod getCurMethod() {
+        return mCurMethod;
+    }
+
+    void setCurMethod(@Nullable IInputMethod curMethod) {
+        mCurMethod = curMethod;
+    }
+
+    /**
+     * If not {@link Process#INVALID_UID}, then the UID of {@link #getCurIntent()}.
+     */
+    int getCurMethodUid() {
+        return mCurMethodUid;
+    }
+
+    void setCurMethodUid(int curMethodUid) {
+        mCurMethodUid = curMethodUid;
+    }
+
     /**
      * Indicates whether {@link #getVisibleConnection} is currently in use.
      */

services/core/java/com/android/server/inputmethod/InputMethodManagerService.java

@@ -661,30 +661,24 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
      */
     @Nullable
     private IInputMethod getCurMethod() {
-        return mCurMethod;
+        return mBindingController.getCurMethod();
     }
 
     private void setCurMethod(@Nullable IInputMethod curMethod) {
-        mCurMethod = curMethod;
+        mBindingController.setCurMethod(curMethod);
     }
 
-    @Nullable
-    private IInputMethod mCurMethod;
-
-
     /**
      * If not {@link Process#INVALID_UID}, then the UID of {@link #getCurIntent()}.
      */
     private int getCurMethodUid() {
-        return mCurMethodUid;
+        return mBindingController.getCurMethodUid();
     }
 
     private void setCurMethodUid(int curMethodUid) {
-        mCurMethodUid = curMethodUid;
+        mBindingController.setCurMethodUid(curMethodUid);
     }
 
-    private int mCurMethodUid = Process.INVALID_UID;
-
     /**
      * Time that we last initiated a bind to the input method, to determine
      * if we should try to disconnect and reconnect to it.