Small refactor on haptic feddback for TimeDailogPicker.

Change-Id: Ic7d4f8d9a3a98a0b11acfde3f69ccba2f3964fe7

src/com/android/datetimepicker/time/RadialPickerLayout.java

@@ -38,6 +38,7 @@ import android.view.accessibility.AccessibilityManager;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.FrameLayout;
 
+import com.android.datetimepicker.HapticFeedbackController;
 import com.android.datetimepicker.R;
 
 public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
@@ -58,7 +59,7 @@ public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
 
     private int mLastValueSelected;
 
-    private TimePickerDialog mController;
+    private HapticFeedbackController mHapticFeedbackController;
     private OnValueSelectedListener mListener;
     private boolean mTimeInitialized;
     private int mCurrentHoursOfDay;
@@ -161,14 +162,14 @@ public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
      * @param initialMinutes
      * @param is24HourMode
      */
-    public void initialize(Context context, TimePickerDialog controller,
+    public void initialize(Context context, HapticFeedbackController hapticFeedbackController,
             int initialHoursOfDay, int initialMinutes, boolean is24HourMode) {
         if (mTimeInitialized) {
             Log.e(TAG, "Time has already been initialized.");
             return;
         }
 
-        mController = controller;
+        mHapticFeedbackController = hapticFeedbackController;
         mIs24HourMode = is24HourMode;
         mHideAmPm = mAccessibilityManager.isTouchExplorationEnabled()? true : mIs24HourMode;
 
@@ -577,7 +578,7 @@ public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
                 if (mIsTouchingAmOrPm == AM || mIsTouchingAmOrPm == PM) {
                     // If the touch is on AM or PM, set it as "touched" after the TAP_TIMEOUT
                     // in case the user moves their finger quickly.
-                    mController.tryVibrate();
+                    mHapticFeedbackController.tryVibrate();
                     mDownDegrees = -1;
                     mHandler.postDelayed(new Runnable() {
                         @Override
@@ -595,7 +596,7 @@ public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
                     if (mDownDegrees != -1) {
                         // If it's a legal touch, set that number as "selected" after the
                         // TAP_TIMEOUT in case the user moves their finger quickly.
-                        mController.tryVibrate();
+                        mHapticFeedbackController.tryVibrate();
                         mHandler.postDelayed(new Runnable() {
                             @Override
                             public void run() {
@@ -650,7 +651,7 @@ public class RadialPickerLayout extends FrameLayout implements OnTouchListener {
                 if (degrees != -1) {
                     value = reselectSelector(degrees, isInnerCircle[0], false, true);
                     if (value != mLastValueSelected) {
-                        mController.tryVibrate();
+                        mHapticFeedbackController.tryVibrate();
                         mLastValueSelected = value;
                         mListener.onValueSelected(getCurrentItemShowing(), value, false);
                     }

src/com/android/datetimepicker/time/TimePickerDialog.java

@@ -199,11 +199,14 @@ public class TimePickerDialog extends DialogFragment implements OnValueSelectedL
         mAmText = amPmTexts[0];
         mPmText = amPmTexts[1];
 
+        mHapticFeedbackController = new HapticFeedbackController(getActivity());
+
         mTimePicker = (RadialPickerLayout) view.findViewById(R.id.time_picker);
         mTimePicker.setOnValueSelectedListener(this);
         mTimePicker.setOnKeyListener(keyboardListener);
-        mTimePicker.initialize(getActivity(), this, mInitialHourOfDay, mInitialMinute,
-                mIs24HourMode);
+        mTimePicker.initialize(getActivity(), mHapticFeedbackController, mInitialHourOfDay,
+            mInitialMinute, mIs24HourMode);
+
         int currentItemShowing = HOUR_INDEX;
         if (savedInstanceState != null &&
                 savedInstanceState.containsKey(KEY_CURRENT_ITEM_SHOWING)) {
@@ -212,7 +215,6 @@ public class TimePickerDialog extends DialogFragment implements OnValueSelectedL
         setCurrentItemShowing(currentItemShowing, false, true, true);
         mTimePicker.invalidate();
 
-        mHapticFeedbackController = new HapticFeedbackController(getActivity());
         mHourView.setOnClickListener(new OnClickListener() {
             @Override
             public void onClick(View v) {