Remove unused "isTouchEvent" methods.

Update BandController to use InputEvent not contrete MotionInputEvent.

Change-Id: I47a7558d8dcebfa6c44dc9a62741487422bf0ff7
diff --git a/packages/DocumentsUI/src/com/android/documentsui/Events.java b/packages/DocumentsUI/src/com/android/documentsui/Events.java
index 2d0dbe8..95934c3f 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/Events.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/Events.java
@@ -35,34 +35,13 @@
      * Returns true if event was triggered by a mouse.
      */
     public static boolean isMouseEvent(MotionEvent e) {
-        return isMouseType(e.getToolType(0));
-    }
-
-    /**
-     * Returns true if event was triggered by a finger or stylus touch.
-     */
-    public static boolean isTouchEvent(MotionEvent e) {
-        return isTouchType(e.getToolType(0));
-    }
-
-    /**
-     * Returns true if event was triggered by a mouse.
-     */
-    public static boolean isMouseType(int toolType) {
+        int toolType = e.getToolType(0);
         return toolType == MotionEvent.TOOL_TYPE_MOUSE;
     }
 
     /**
      * Returns true if event was triggered by a finger or stylus touch.
      */
-    public static boolean isTouchType(int toolType) {
-        return toolType == MotionEvent.TOOL_TYPE_FINGER
-                || toolType == MotionEvent.TOOL_TYPE_STYLUS;
-    }
-
-    /**
-     * Returns true if event was triggered by a finger or stylus touch.
-     */
     public static boolean isActionDown(MotionEvent e) {
         return e.getActionMasked() == MotionEvent.ACTION_DOWN;
     }
@@ -116,7 +95,6 @@
      * of related code.
      */
     public interface InputEvent extends AutoCloseable {
-        boolean isTouchEvent();
         boolean isMouseEvent();
         boolean isPrimaryButtonPressed();
         boolean isSecondaryButtonPressed();
@@ -212,11 +190,6 @@
         }
 
         @Override
-        public boolean isTouchEvent() {
-            return Events.isTouchEvent(mEvent);
-        }
-
-        @Override
         public boolean isMouseEvent() {
             return Events.isMouseEvent(mEvent);
         }
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/BandController.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/BandController.java
index 8f52036..eb53ec1 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/BandController.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/BandController.java
@@ -85,14 +85,14 @@
                 new RecyclerView.OnItemTouchListener() {
                     @Override
                     public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
-                        try (MotionInputEvent event = MotionInputEvent.obtain(e, view)) {
+                        try (InputEvent event = MotionInputEvent.obtain(e, view)) {
                             return handleEvent(event);
                         }
                     }
                     @Override
                     public void onTouchEvent(RecyclerView rv, MotionEvent e) {
                         if (Events.isMouseEvent(e)) {
-                            try (MotionInputEvent event = MotionInputEvent.obtain(e, view)) {
+                            try (InputEvent event = MotionInputEvent.obtain(e, view)) {
                                 processInputEvent(event);
                             }
                         }
@@ -177,7 +177,7 @@
         mSelection = selection;
     }
 
-    private boolean handleEvent(MotionInputEvent e) {
+    private boolean handleEvent(InputEvent e) {
         // Don't start, or extend bands on right click.
         if (e.isSecondaryButtonPressed()) {
             return false;
@@ -230,7 +230,7 @@
         }
     }
 
-    boolean shouldStart(MotionInputEvent e) {
+    boolean shouldStart(InputEvent e) {
         return !isActive()
                 && e.isActionDown()  // the initial button press
                 && mAdapter.getItemCount() > 0
diff --git a/packages/DocumentsUI/tests/src/com/android/documentsui/TestInputEvent.java b/packages/DocumentsUI/tests/src/com/android/documentsui/TestInputEvent.java
index 36e7c1b..e6936d6 100644
--- a/packages/DocumentsUI/tests/src/com/android/documentsui/TestInputEvent.java
+++ b/packages/DocumentsUI/tests/src/com/android/documentsui/TestInputEvent.java
@@ -22,11 +22,6 @@
     }
 
     @Override
-    public boolean isTouchEvent() {
-        return !mouseEvent;
-    }
-
-    @Override
     public boolean isMouseEvent() {
         return mouseEvent;
     }