largely fixed issue #139

TonyGermaneri · Apr 4, 2019 · a5069fc · a5069fc
1 parent 461ea4f
commit a5069fc
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Showing 9 changed files with 3,656 additions and 3,642 deletions.
diff --git a/bower.json b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "canvas-datagrid",
   "main": "lib/main.js",
-  "version": "0.22.8",
+  "version": "0.22.10",
   "ignore": [
     "**/.*",
     "node_modules",

diff --git a/build.txt b/build.txt
@@ -1 +1 @@
-2037
+2040
diff --git a/dist/canvas-datagrid.debug.js b/dist/canvas-datagrid.debug.js
diff --git a/dist/canvas-datagrid.debug.map b/dist/canvas-datagrid.debug.map
diff --git a/dist/canvas-datagrid.js b/dist/canvas-datagrid.js
diff --git a/dist/canvas-datagrid.map b/dist/canvas-datagrid.map
diff --git a/lib/touch.js b/lib/touch.js
@@ -4,6 +4,8 @@ define([], function () {
     'use strict';
     return function (self) {
         var touchTimerMs = 50,
+            debounceTouchMove,
+            touchMoving,
             touchScrollTimeout;
         self.scrollAnimation = {};
         self.touchDelta = {};
@@ -230,7 +232,7 @@ define([], function () {
             self.selectArea(bounds);
             self.draw(true);
         };
-        self.touchmove = function (e) {
+        function touchMove(e) {
             var ch, rw, rScrollZone, lScrollZone, bScrollZone, tScrollZone, sbw, t1, t2;
             if (self.dispatchEvent('beforetouchmove', {NativeEvent: e})) { return; }
             clearTimeout(touchScrollTimeout);
@@ -312,7 +314,16 @@ define([], function () {
             }
             self.scrollBox.scrollTo(self.touchScrollStart.x - self.touchDelta.x,
                 self.touchScrollStart.y - self.touchDelta.y);
-            self.draw(true);
+        };
+        self.touchmove = function (e) {
+            if (touchMoving) {
+                return;
+            }
+            requestAnimationFrame(function () {
+                touchMoving = true;
+                touchMove(e);
+                touchMoving = false;
+            });
         };
         self.touchEndEvents = function (e) {
             self.zoomDeltaStart = undefined;

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "canvas-datagrid",
-  "version": "0.22.9",
+  "version": "0.22.10",
   "description": "Canvas based data grid web component.  Capable of displaying millions of contiguous hierarchical rows and columns without paging or loading, on a single canvas element.",
   "main": "./dist/canvas-datagrid.js",
   "scripts": {
@@ -56,7 +56,6 @@
     "mocha-phantomjs": "^4.1.0",
     "mocha-phantomjs-core": "^2.1.2",
     "mocha-phantomjs-istanbul": "0.0.2",
-    "node-coveralls": "[email protected]:nickmerwin/node-coveralls.git",
     "phantomjs": "^2.1.7",
     "should": "^11.2.1",
     "webpack": "^3.0.0"

diff --git a/test/tests.js b/test/tests.js
@@ -1338,8 +1338,10 @@
                             // simulate very slow movement of humans
                             touchmove(document.body, 100, 113, grid.canvas);
                             touchend(document.body, 100, 113, grid.canvas);
-                            done(assertIf(grid.scrollLeft < 400,
-                                'Expected the scroll bar to be further along.'));
+                            setTimeout(function () {
+                                done(assertIf(grid.scrollLeft < 400,
+                                    'Expected the scroll bar to be further along.'));
+                            }, 100);
                         }, 200);
                     }, 1);
                 });