From df3eaa2ca72226844b41e7d82b09b2d5b944b7d7 Mon Sep 17 00:00:00 2001
From: Jeff Boek <jeff@jeffboek.com>
Date: Tue, 12 Feb 2019 15:48:53 -0800
Subject: [PATCH] For #456 - Moves out KeyTrigger into its own file

---
 .../org/mozilla/fenix/home/HomeFragment.kt    | 46 +-----------------
 .../java/org/mozilla/fenix/home/KeyTrigger.kt | 47 +++++++++++++++++++
 2 files changed, 48 insertions(+), 45 deletions(-)
 create mode 100644 app/src/main/java/org/mozilla/fenix/home/KeyTrigger.kt

diff --git a/app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt b/app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt
index 97fdbbbf6..f32635e51 100644
--- a/app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt
+++ b/app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt
@@ -1,6 +1,4 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
-   License, v. 2.0. If a copy of the MPL was not distributed with this
-   file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
 
 package org.mozilla.fenix.home
 
@@ -145,48 +143,6 @@ class HomeFragment : Fragment() {
         }
     }
 
-    @SuppressWarnings("MagicNumber")
-    private class KeyTrigger(
-        frame: Int,
-        private val onPositiveCross: () -> Unit,
-        private val onNegativeCross: () -> Unit
-    ) {
-        private val fireThreshhold = (frame + 0.5F) / 100.0F
-        private var negativeReset = false
-        private var positiveReset = false
-        private var lastFirePosition = 0f
-        private val triggerSlack = 0.1f
-
-        fun conditionallyFire(progress: Float) {
-            var offset: Float
-            var lastOffset: Float
-
-            if (negativeReset) {
-                offset = progress - fireThreshhold
-                lastOffset = lastFirePosition - fireThreshhold
-                if (offset * lastOffset < 0.0f && offset < 0.0f) {
-                    onNegativeCross.invoke()
-                    negativeReset = false
-                }
-            } else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
-                negativeReset = true
-            }
-
-            if (positiveReset) {
-                offset = progress - fireThreshhold
-                lastOffset = lastFirePosition - fireThreshhold
-                if (offset * lastOffset < 0.0f && offset > 0.0f) {
-                    onPositiveCross.invoke()
-                    positiveReset = false
-                }
-            } else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
-                positiveReset = true
-            }
-
-            lastFirePosition = progress
-        }
-    }
-
     override fun onResume() {
         super.onResume()
         sessionObserver = subscribeToSessions()
diff --git a/app/src/main/java/org/mozilla/fenix/home/KeyTrigger.kt b/app/src/main/java/org/mozilla/fenix/home/KeyTrigger.kt
new file mode 100644
index 000000000..25cdceddd
--- /dev/null
+++ b/app/src/main/java/org/mozilla/fenix/home/KeyTrigger.kt
@@ -0,0 +1,47 @@
+package org.mozilla.fenix.home
+
+/* This Source Code Form is subject to the terms of the Mozilla Public
+   License, v. 2.0. If a copy of the MPL was not distributed with this
+   file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+@SuppressWarnings("MagicNumber")
+class KeyTrigger(
+    frame: Int,
+    private val onPositiveCross: () -> Unit,
+    private val onNegativeCross: () -> Unit
+) {
+    private val fireThreshhold = (frame + 0.5F) / 100.0F
+    private var negativeReset = false
+    private var positiveReset = false
+    private var lastFirePosition = 0f
+    private val triggerSlack = 0.1f
+
+    fun conditionallyFire(progress: Float) {
+        var offset: Float
+        var lastOffset: Float
+
+        if (negativeReset) {
+            offset = progress - fireThreshhold
+            lastOffset = lastFirePosition - fireThreshhold
+            if (offset * lastOffset < 0.0f && offset < 0.0f) {
+                onNegativeCross.invoke()
+                negativeReset = false
+            }
+        } else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
+            negativeReset = true
+        }
+
+        if (positiveReset) {
+            offset = progress - fireThreshhold
+            lastOffset = lastFirePosition - fireThreshhold
+            if (offset * lastOffset < 0.0f && offset > 0.0f) {
+                onPositiveCross.invoke()
+                positiveReset = false
+            }
+        } else if (Math.abs(progress - fireThreshhold) > triggerSlack) {
+            positiveReset = true
+        }
+
+        lastFirePosition = progress
+    }
+}