Make abstract KeyDetector class

The KeyDetector abstracts key detection algorithm. The
ProximityKeyDetector is one of its concrete implementations.  Another
one that might be called XAxisKeyDetector will follow to realize the
pop-up mini-keyboard behavior described in bug#2959169.

Bug: 2959169
Change-Id: Idd3fc53282e6b721ec7a4ce500af8aba21ce07a3

1 files changed, 2 insertions, 2 deletions

diff --git a/java/src/com/android/inputmethod/latin/PointerTracker.java b/java/src/com/android/inputmethod/latin/PointerTracker.java
index 3c67ebece..8c85e97f9 100644
--- a/java/src/com/android/inputmethod/latin/PointerTracker.java
+++ b/java/src/com/android/inputmethod/latin/PointerTracker.java
@@ -45,7 +45,7 @@ public class PointerTracker {
 
     private final UIProxy mProxy;
     private final UIHandler mHandler;
-    private final ProximityKeyDetector mKeyDetector;
+    private final KeyDetector mKeyDetector;
     private OnKeyboardActionListener mListener;
 
     private Key[] mKeys;
@@ -77,7 +77,7 @@ public class PointerTracker {
     // pressed key
     private int mPreviousKey = NOT_A_KEY;
 
-    public PointerTracker(UIHandler handler, ProximityKeyDetector keyDetector, UIProxy proxy) {
+    public PointerTracker(UIHandler handler, KeyDetector keyDetector, UIProxy proxy) {
         if (proxy == null || handler == null || keyDetector == null)
             throw new NullPointerException();
         mProxy = proxy;