From 5ec00376fa6be5530cdd16cd5228f868f5680798 Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Mon, 1 Jul 2019 23:32:45 -0700
Subject: Add swipe to dismiss

---
 .../com/pitchedapps/frost/views/DragFrame.kt       | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 app/src/main/kotlin/com/pitchedapps/frost/views/DragFrame.kt

(limited to 'app/src/main/kotlin/com/pitchedapps/frost/views')

diff --git a/app/src/main/kotlin/com/pitchedapps/frost/views/DragFrame.kt b/app/src/main/kotlin/com/pitchedapps/frost/views/DragFrame.kt
new file mode 100644
index 00000000..db9b901b
--- /dev/null
+++ b/app/src/main/kotlin/com/pitchedapps/frost/views/DragFrame.kt
@@ -0,0 +1,40 @@
+package com.pitchedapps.frost.views
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.AttributeSet
+import android.view.MotionEvent
+import android.widget.FrameLayout
+import androidx.core.view.ViewCompat
+import androidx.customview.widget.ViewDragHelper
+
+class DragFrame @JvmOverloads constructor(
+    context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
+) : FrameLayout(context, attrs, defStyleAttr) {
+    var dragHelper: ViewDragHelper? = null
+
+    override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
+        return try {
+            dragHelper?.shouldInterceptTouchEvent(event) ?: false
+        } catch (e: Exception) {
+            false
+        }
+    }
+
+    @SuppressLint("ClickableViewAccessibility")
+    override fun onTouchEvent(event: MotionEvent): Boolean {
+        try {
+            dragHelper?.processTouchEvent(event) ?: return false
+        } catch (e: Exception) {
+            return false
+        }
+        return true
+    }
+
+    override fun computeScroll() {
+        super.computeScroll()
+        if (dragHelper?.continueSettling(true) == true) {
+            ViewCompat.postInvalidateOnAnimation(this)
+        }
+    }
+}
\ No newline at end of file
-- 
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