Move isInvalidCordinates() method to Constants class

Change-Id: Iad1464c299ad6055af1db1ff7978e5cd9a14750f

java/src/com/android/inputmethod/keyboard/KeyboardActionListener.java

@@ -112,13 +112,5 @@ public interface KeyboardActionListener {
         public boolean onCustomRequest(int requestCode) {
             return false;
         }
-
-        // TODO: Remove this method when the vertical correction is removed.
-        public static boolean isInvalidCoordinate(final int coordinate) {
-            // Detect {@link Constants#NOT_A_COORDINATE},
-            // {@link Constants#SUGGESTION_STRIP_COORDINATE}, and
-            // {@link Constants#SPELL_CHECKER_COORDINATE}.
-            return coordinate < 0;
-        }
     }
 }

java/src/com/android/inputmethod/latin/Constants.java

@@ -137,11 +137,16 @@ public final class Constants {
 
     public static final int NOT_A_CODE = -1;
 
-    // See {@link KeyboardActionListener.Adapter#isInvalidCoordinate(int)}.
     public static final int NOT_A_COORDINATE = -1;
     public static final int SUGGESTION_STRIP_COORDINATE = -2;
     public static final int SPELL_CHECKER_COORDINATE = -3;
 
+    public static boolean isValidCoordinate(final int coordinate) {
+        // Detect {@link NOT_A_COORDINATE}, {@link SUGGESTION_STRIP_COORDINATE},
+        // and {@link SPELL_CHECKER_COORDINATE}.
+        return coordinate >= 0;
+    }
+
     /**
      * Some common keys code. Must be positive.
      */

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -1741,15 +1741,14 @@ public final class LatinIME extends InputMethodService implements KeyboardAction
         }
         if (isComposingWord) {
             final int keyX, keyY;
-            if (KeyboardActionListener.Adapter.isInvalidCoordinate(x)
-                    || KeyboardActionListener.Adapter.isInvalidCoordinate(y)) {
-                keyX = x;
-                keyY = y;
-            } else {
+            if (Constants.isValidCoordinate(x) && Constants.isValidCoordinate(y)) {
                 final KeyDetector keyDetector =
                         mKeyboardSwitcher.getMainKeyboardView().getKeyDetector();
                 keyX = keyDetector.getTouchX(x);
                 keyY = keyDetector.getTouchY(y);
+            } else {
+                keyX = x;
+                keyY = y;
             }
             mWordComposer.add(primaryCode, keyX, keyY);
             // If it's the first letter, make note of auto-caps state