From 5fac22ca2b52811e808ce995c7cee775f8834642 Mon Sep 17 00:00:00 2001
From: Kartikaya Gupta <kgupta@mozilla.com>
Date: Thu, 10 Dec 2015 10:22:04 -0500
Subject: [PATCH] Bug 1231504 - Copy physics prefs from b2g.js to Fennec.
 r=botond

--HG--
extra : commitid : GMqlENuhtjI
---
 mobile/android/app/mobile.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/mobile/android/app/mobile.js b/mobile/android/app/mobile.js
index f412c09814e0..27334d3523c6 100644
--- a/mobile/android/app/mobile.js
+++ b/mobile/android/app/mobile.js
@@ -556,11 +556,20 @@ pref("ui.dragThresholdY", 25);
 pref("layers.acceleration.disabled", false);
 pref("layers.offmainthreadcomposition.enabled", true);
 pref("layers.async-video.enabled", true);
+
 #ifdef MOZ_ANDROID_APZ
 pref("layers.async-pan-zoom.enabled", true);
-pref("apz.axis_lock.mode", 1);
-pref("apz.fling_stop_on_tap_threshold", "0.08");
+// APZ physics settings, copied from B2G
+pref("apz.axis_lock.mode", 2); // Use "sticky" axis locking
+pref("apz.fling_curve_function_x1", "0.41");
+pref("apz.fling_curve_function_y1", "0.0");
+pref("apz.fling_curve_function_x2", "0.80");
+pref("apz.fling_curve_function_y2", "1.0");
+pref("apz.fling_curve_threshold_inches_per_ms", "0.01");
+pref("apz.fling_friction", "0.0019");
+pref("apz.max_velocity_inches_per_ms", "0.07");
 #endif
+
 pref("layers.progressive-paint", true);
 pref("layers.low-precision-buffer", true);
 pref("layers.low-precision-resolution", "0.25");