cordova-plugin-native-keyboard/www/NativeKeyboard.js

This plugin aims to solve common keyboard problems encountered with Cordova / PhoneGap apps. The messenger component (see screenshots) is ready for production, but this plugin will have more tricks up its sleeve. I'll document those once they're ready for

function NativeKeyboard(){}var isIOS=/iPad|iPhone|iPod/.test(navigator.userAgent);isIOS&&document.addEventListener("focusin",function(t){if(t.target.getAttribute("data-nativekeyboard")&&"false"!=t.target.getAttribute("data-nativekeyboard")){t.preventDefault(),t.stopPropagation(),document.activeElement&&document.activeElement.blur();NativeKeyboard.prototype._showKeyboard(t.target,t.target.value,function(e){t.target.value=e})}}),NativeKeyboard.prototype.editText=function(t){NativeKeyboard.prototype._showKeyboard(t,t.innerText,function(e){t.innerText=e})},NativeKeyboard.prototype.hideMessenger=function(e,t,o){var n=e||{};cordova.exec(function(){_autocorrectHeightOfElement&&(_autocorrectHeightOfElement.style.marginBottom=0,_autocorrectHeightOfElement=null),t&&t()},o,"NativeKeyboard","hideMessenger",[n])};var _autocorrectHeightOfElement=null,_autoscrollElement=null;NativeKeyboard.prototype.showMessengerKeyboard=function(t,e){cordova.exec(function(e){"function"==typeof t&&t(),null!==_autoscrollElement&&scrollTo(_autoscrollElement,_autoscrollElement.scrollHeight)},e,"NativeKeyboard","showMessengerKeyboard",[])},NativeKeyboard.prototype.showMessenger=function(e,t,o){var n=e||{};_autoscrollElement=null,n.autoscrollElement&&(_autoscrollElement=n.autoscrollElement,n.autoscrollElement=null,n.scrollToBottomAfterKeyboardShows=!0,isIOS||_autoscrollElement&&((_autocorrectHeightOfElement=_autoscrollElement).style.marginBottom="46px")),n.scrollToBottomAfterKeyboardShows&&void 0===n.scrollToBottomAfterMessengerShows&&(n.scrollToBottomAfterMessengerShows=!0);cordova.exec(function(e){!0===e.messengerRightButtonPressed&&n.rightButton&&"function"==typeof n.rightButton.onPress&&n.rightButton.onPress(),e.ready?(n.scrollToBottomAfterMessengerShows&&n.scrollToBottomAfterKeyboardShows&&scrollTo(_autoscrollElement,_autoscrollElement.scrollHeight),"function"==typeof t&&t()):!0===e.keyboardWillShow?"function"==typeof n.onKeyboardWillShow&&n.onKeyboardWillShow(e.keyboardHeight):!0===e.keyboardDidShow?(_autoscrollElement&&scrollTo(_autoscrollElement,_autoscrollElement.scrollHeight),"function"==typeof n.onKeyboardDidShow&&n.onKeyboardDidShow(e.keyboardHeight)):!0===e.messengerBarHeightChanged?"function"==typeof n.onMessengerBarHeightChanged&&n.onMessengerBarHeightChanged(e.messengerBarHeight):!0===e.keyboardWillHide?"function"==typeof n.onKeyboardWillHide&&n.onKeyboardWillHide():!0===e.keyboardDidHide?"function"==typeof n.onKeyboardDidHide&&n.onKeyboardDidHide():void 0!==e.text?"function"==typeof n.onSubmit?n.onSubmit(e.text):console.log("Received "+e.text+", pass in an 'onSubmit' function to catch it in your app."):void 0!==e.textChanged?"function"==typeof n.onTextChanged&&n.onTextChanged(e.textChanged):void 0!==e.contentHeightDiff?0!==e.contentHeightDiff&&"function"==typeof n.onContentHeightChanged&&n.onContentHeightChanged(e.contentHeight,e.contentHeightDiff):!0===e.messengerLeftButtonPressed?"function"==typeof n.leftButton.onPress&&n.leftButton.onPress():console.log("JS Unexpected plugin result: "+JSON.stringify(e))},function(e){console.log("Error in showMessenger: "+e),o&&o(e)},"NativeKeyboard","showMessenger",[n])},NativeKeyboard.prototype._showKeyboard=function(selector,text,onTextUpdate){var isTextarea="textarea"===selector.tagName.toLowerCase(),att=selector.getAttribute("data-nativekeyboard"),opts=null;opts=0===att.indexOf("{")?JSON.parse(att):"function"==typeof window[att]?eval(window[att]()):eval(att),"object"!=typeof opts&&(opts={}),opts.text=text,opts.type=opts.type||selector.type.toLowerCase(),opts.maxlength=opts.maxlength||selector.getAttribute("maxlength")||0,opts.caretColor=opts.caretColor||"#007AFF";var css=window.getComputedStyle(selector);opts.verticalAlign=css.verticalAlign,opts.textAlign=css.textAlign,opts.offsetTop=window.pageYOffset,opts.font="font-family:"+css.fontFamily+";font-size:"+css.fontSize+";font-weight:"+css.fontWeight+";font-style:"+css.fontStyle;var viewportOffset=selector.getBoundingClientRect(),top=selector.scrollTop,left=selector.scrollLeft;opts.boxSizing=css.boxSizing,opts.box=opts.box||{left:viewportOffset.left,top:viewportOffset.top,width:css.width,height:css.height},opts.padding=opts.padding||{top:css.paddingTop,right:css.paddingRight,bottom:css.paddingBottom,left:css.paddingLeft};var compensateLeft=0,compensateTop=isTextarea?1:0;opts.margin=opts.margin||{top:parseInt(css.marginTop)+compensateTop,right:css.marginRight,bottom:css.marginBottom,left:parseInt(css.marginLeft)+compensateLeft},opts.border=opts.border||{top:css.borderTopWidth,right:css.borderRightWidth,bottom:css.borderBottomWidth,left:css.borderLeftWidth},opts.borderRadius=opts.borderRadius||css.borderRadius,opts.lineHeight=opts.lineHeight||css.lineHeight;var onSuccess=function(e){if(!0===e.textFieldDidEndEditing&&(selector.scrollLeft=0),void 0!==e.text)onTextUpdate(e.text),isTextarea||(selector.scrollLeft=selector.scrollWidth);else if(!0===e.returnKeyPressed){var t=opts.returnKey;t&&"function"==typeof t.onPress&&t.onPress(),isTextarea||(selector.scrollLeft=0)}else if(void 0!==e.buttonIndex){var o=opts.accessorybar.buttons[e.buttonIndex];!0===o.close&&NativeKeyboard.prototype.hideKeyboard(),"function"==typeof o.callback&&o.callback()}};isTextarea||(selector.scrollLeft=selector.scrollWidth),document.addEventListener("touchend",NativeKeyboard.prototype.touchHandler,!1),cordova.exec(onSuccess,null,"NativeKeyboard","show",[opts])},NativeKeyboard.prototype.updateMessenger=function(e,t,o){cordova.exec(t,o,"NativeKeyboard","updateMessenger",[e])},NativeKeyboard.prototype.hideMessengerKeyboard=function(e,t){cordova.exec(e,t,"NativeKeyboard","hideMessengerKeyboard",[])},NativeKeyboard.prototype.hideKeyboard=function(){cordova.exec(null,null,"NativeKeyboard","hide",[]),document.removeEventListener("touchend",NativeKeyboard.prototype.touchHandler)},NativeKeyboard.prototype.touchHandler=function(e){var t=e.target.tagName.toLowerCase();"input"!==t&&"textarea"!==t&&NativeKeyboard.prototype.hideKeyboard()},NativeKeyboard.prototype.updateInput=function(e){var t=NativeKeyboard.prototype.activeInput.value;""===e.text?t=t.substring(0,t.length-1):t+=e.text,NativeKeyboard.prototype.activeInput.value=t},NativeKeyboard.prototype.activeInput=null,NativeKeyboard.install=function(){return window.plugins||(window.plugins={}),window.NativeKeyboard=new NativeKeyboard,window.NativeKeyboard},Math.easeInOutQuad=function(e,t,o,n){return(e/=n/2)<1?o/2*e*e+t:-o/2*(--e*(e-2)-1)+t},Math.easeInCubic=function(e,t,o,n){return t+o*((e/=n)*e*e)},Math.inOutQuintic=function(e,t,o,n){var r=(e/=n)*e,a=r*e;return t+o*(6*a*r+-15*r*r+10*a)};var requestAnimFrame=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(e){window.setTimeout(e,1e3/60)};function scrollTo(o,e,n,r){var a=o.scrollTop,i=e-a,s=0;r=void 0===r?500:r;var l=function(){s+=20;var e,t=Math.easeInOutQuad(s,a,i,r);e=t,o.scrollTop=e,s<r?requestAnimFrame(l):n&&"function"==typeof n&&n()};l()}cordova.addConstructor(NativeKeyboard.install);