From 362c4441b65f63dfc3cf933d569aba6e00dc168a Mon Sep 17 00:00:00 2001
From: Hongwei Wang <hwwang@google.com>
Date: Thu, 5 Sep 2013 00:30:09 -0700
Subject: Tone down the sensitivity of swipe for square contact tiles

Bug: 10510033
Change-Id: I57961e3f7dcc8c65dfb814afd808d01b68803f14
---
 .../dialer/list/PhoneFavoritesTileAdapter.java     |  3 +++
 src/com/android/dialer/list/SwipeHelper.java       | 23 ++++++++++++++++------
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/src/com/android/dialer/list/PhoneFavoritesTileAdapter.java b/src/com/android/dialer/list/PhoneFavoritesTileAdapter.java
index 1c6ffde38..8eba964b2 100644
--- a/src/com/android/dialer/list/PhoneFavoritesTileAdapter.java
+++ b/src/com/android/dialer/list/PhoneFavoritesTileAdapter.java
@@ -715,6 +715,9 @@ public class PhoneFavoritesTileAdapter extends BaseAdapter implements
                         .getScaledPagingTouchSlop();
                 mSwipeHelper = new SwipeHelper(context, SwipeHelper.X, this, densityScale,
                         pagingTouchSlop);
+                // Increase swipe thresholds for square tiles since they are relatively small.
+                mSwipeHelper.setChildSwipedFarEnoughFactor(0.9f);
+                mSwipeHelper.setChildSwipedFastEnoughFactor(0.1f);
                 mOnItemSwipeListener = PhoneFavoritesTileAdapter.this;
             }
         }
diff --git a/src/com/android/dialer/list/SwipeHelper.java b/src/com/android/dialer/list/SwipeHelper.java
index 152171432..ce46ec3eb 100644
--- a/src/com/android/dialer/list/SwipeHelper.java
+++ b/src/com/android/dialer/list/SwipeHelper.java
@@ -89,6 +89,9 @@ public class SwipeHelper {
     private float mStartAlpha;
     private boolean mProtected = false;
 
+    private float mChildSwipedFarEnoughFactor = 0.4f;
+    private float mChildSwipedFastEnoughFactor = 0.05f;
+
     public SwipeHelper(Context context, int swipeDirection, SwipeHelperCallback callback, float densityScale,
             float pagingTouchSlop) {
         mCallback = callback;
@@ -118,6 +121,14 @@ public class SwipeHelper {
         mPagingTouchSlop = pagingTouchSlop;
     }
 
+    public void setChildSwipedFarEnoughFactor(float factor) {
+        mChildSwipedFarEnoughFactor = factor;
+    }
+
+    public void setChildSwipedFastEnoughFactor(float factor) {
+        mChildSwipedFastEnoughFactor = factor;
+    }
+
     private float getVelocity(VelocityTracker vt) {
         return mSwipeDirection == X ? vt.getXVelocity() :
                 vt.getYVelocity();
@@ -407,15 +418,15 @@ public class SwipeHelper {
                     // swipe/dismiss
                     float translation = Math.abs(mCurrAnimView.getTranslationX());
                     float currAnimViewSize = getSize(mCurrAnimView);
-                    // Long swipe = translation of .4 * width
+                    // Long swipe = translation of {@link #mChildSwipedFarEnoughFactor} * width
                     boolean childSwipedFarEnough = DISMISS_IF_SWIPED_FAR_ENOUGH
-                            && translation > 0.4 * currAnimViewSize;
-                    // Fast swipe = > escapeVelocity and translation of .1 *
-                    // width
+                            && translation > mChildSwipedFarEnoughFactor * currAnimViewSize;
+                    // Fast swipe = > escapeVelocity and translation of
+                    // {@link #mChildSwipedFastEnoughFactor} * width
                     boolean childSwipedFastEnough = (Math.abs(velocity) > escapeVelocity)
                             && (Math.abs(velocity) > Math.abs(perpendicularVelocity))
                             && (velocity > 0) == (mCurrAnimView.getTranslationX() > 0)
-                            && translation > 0.05 * currAnimViewSize;
+                            && translation > mChildSwipedFastEnoughFactor * currAnimViewSize;
                     if (LOG_SWIPE_DISMISS_VELOCITY) {
                         Log.v(TAG, "Swipe/Dismiss: " + velocity + "/" + escapeVelocity + "/"
                                 + perpendicularVelocity + ", x: " + translation + "/"
@@ -468,4 +479,4 @@ public class SwipeHelper {
 
         public boolean isSwipeEnabled();
     }
-}
\ No newline at end of file
+}
-- 
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