move touch.js to canvas

src/editor/Editor.js

@@ -16,7 +16,6 @@
 import './components/index.js'
 import './dialogs/index.js'
 
-import './touch.js'
 import { isMac } from '../common/browser.js'
 
 import SvgCanvas from '../svgcanvas/svgcanvas.js'

src/editor/EditorStartup.js

@@ -1,5 +1,4 @@
 /* globals seConfirm seAlert */
-import './touch.js'
 import { convertUnit } from '../common/units.js'
 import {
   putLocale

src/editor/extensions/ext-imagelib/ext-imagelib.js

@@ -443,13 +443,6 @@ export default {
           header.textContent = allLibs
           back.style.display = 'none'
         })
-        back.addEventListener('touchend', function () {
-          frame.setAttribute('src', 'about:blank')
-          frame.style.display = 'none'
-          libOpts.style.display = 'block'
-          header.textContent = allLibs
-          back.style.display = 'none'
-        })
         back.setAttribute('style', 'margin-right: 5px;')
         back.style.display = 'none'
 

src/editor/touch.js

@@ -1,49 +0,0 @@
-// http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
-/**
- *
- * @param {Event} ev
- * @returns {void}
- */
-function touchHandler (ev) {
-  const { changedTouches } = ev
-  const first = changedTouches[0]
-
-  let type = ''
-  switch (ev.type) {
-    case 'touchstart': type = 'mousedown'; break
-    case 'touchmove': type = 'mousemove'; break
-    case 'touchend': type = 'mouseup'; break
-    default: return
-  }
-
-  const { screenX, screenY, clientX, clientY } = first
-  const simulatedEvent = new MouseEvent(type, {
-    // Event interface
-    bubbles: true,
-    cancelable: true,
-    // UIEvent interface
-    view: window,
-    detail: 1, // click count
-    // MouseEvent interface (customized)
-    screenX,
-    screenY,
-    clientX,
-    clientY,
-    // MouseEvent interface (defaults) - these could be removed
-    ctrlKey: false,
-    altKey: false,
-    shiftKey: false,
-    metaKey: false,
-    button: 0, // main button (usually left)
-    relatedTarget: null
-  })
-  if (changedTouches.length < 2) {
-    first.target.dispatchEvent(simulatedEvent)
-    ev.preventDefault()
-  }
-}
-
-document.addEventListener('touchstart', touchHandler, true)
-document.addEventListener('touchmove', touchHandler, true)
-document.addEventListener('touchend', touchHandler, true)
-document.addEventListener('touchcancel', touchHandler, true)