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diff --git a/example/angular/chat/angular-touch.js b/example/angular/chat/angular-touch.js
deleted file mode 100644
index 22f86ca1ef5..00000000000
--- a/example/angular/chat/angular-touch.js
+++ /dev/null
@@ -1,536 +0,0 @@
-/**
- * @license AngularJS v1.2.0rc1
- * (c) 2010-2012 Google, Inc. http://angularjs.org
- * License: MIT
- */
-(function(window, angular, undefined) {'use strict';
-
-/**
- * @ngdoc overview
- * @name ngTouch
- * @description
- * Touch events and other mobile helpers.
- * Based on jQuery Mobile touch event handling (jquerymobile.com)
- */
-
-// define ngTouch module
-var ngTouch = angular.module('ngTouch', []);
-
-/**
- * @ngdoc object
- * @name ngTouch.$swipe
- *
- * @description
- * The `$swipe` service is a service that abstracts the messier details of hold-and-drag swipe
- * behavior, to make implementing swipe-related directives more convenient.
- *
- * It is used by the `ngSwipeLeft` and `ngSwipeRight` directives in `ngTouch`, and by
- * `ngCarousel` in a separate component.
- *
- * # Usage
- * The `$swipe` service is an object with a single method: `bind`. `bind` takes an element
- * which is to be watched for swipes, and an object with four handler functions. See the
- * documentation for `bind` below.
- */
-
-ngTouch.factory('$swipe', [function() {
- // The total distance in any direction before we make the call on swipe vs. scroll.
- var MOVE_BUFFER_RADIUS = 10;
-
- function getCoordinates(event) {
- var touches = event.touches && event.touches.length ? event.touches : [event];
- var e = (event.changedTouches && event.changedTouches[0]) ||
- (event.originalEvent && event.originalEvent.changedTouches &&
- event.originalEvent.changedTouches[0]) ||
- touches[0].originalEvent || touches[0];
-
- return {
- x: e.clientX,
- y: e.clientY
- };
- }
-
- return {
- /**
- * @ngdoc method
- * @name ngTouch.$swipe#bind
- * @methodOf ngTouch.$swipe
- *
- * @description
- * The main method of `$swipe`. It takes an element to be watched for swipe motions, and an
- * object containing event handlers.
- *
- * The four events are `start`, `move`, `end`, and `cancel`. `start`, `move`, and `end`
- * receive as a parameter a coordinates object of the form `{ x: 150, y: 310 }`.
- *
- * `start` is called on either `mousedown` or `touchstart`. After this event, `$swipe` is
- * watching for `touchmove` or `mousemove` events. These events are ignored until the total
- * distance moved in either dimension exceeds a small threshold.
- *
- * Once this threshold is exceeded, either the horizontal or vertical delta is greater.
- * - If the horizontal distance is greater, this is a swipe and `move` and `end` events follow.
- * - If the vertical distance is greater, this is a scroll, and we let the browser take over.
- * A `cancel` event is sent.
- *
- * `move` is called on `mousemove` and `touchmove` after the above logic has determined that
- * a swipe is in progress.
- *
- * `end` is called when a swipe is successfully completed with a `touchend` or `mouseup`.
- *
- * `cancel` is called either on a `touchcancel` from the browser, or when we begin scrolling
- * as described above.
- *
- */
- bind: function(element, eventHandlers) {
- // Absolute total movement, used to control swipe vs. scroll.
- var totalX, totalY;
- // Coordinates of the start position.
- var startCoords;
- // Last event's position.
- var lastPos;
- // Whether a swipe is active.
- var active = false;
-
- element.on('touchstart mousedown', function(event) {
- startCoords = getCoordinates(event);
- active = true;
- totalX = 0;
- totalY = 0;
- lastPos = startCoords;
- eventHandlers['start'] && eventHandlers['start'](startCoords);
- });
-
- element.on('touchcancel', function(event) {
- active = false;
- eventHandlers['cancel'] && eventHandlers['cancel']();
- });
-
- element.on('touchmove mousemove', function(event) {
- if (!active) return;
-
- // Android will send a touchcancel if it thinks we're starting to scroll.
- // So when the total distance (+ or - or both) exceeds 10px in either direction,
- // we either:
- // - On totalX > totalY, we send preventDefault() and treat this as a swipe.
- // - On totalY > totalX, we let the browser handle it as a scroll.
-
- if (!startCoords) return;
- var coords = getCoordinates(event);
-
- totalX += Math.abs(coords.x - lastPos.x);
- totalY += Math.abs(coords.y - lastPos.y);
-
- lastPos = coords;
-
- if (totalX < MOVE_BUFFER_RADIUS && totalY < MOVE_BUFFER_RADIUS) {
- return;
- }
-
- // One of totalX or totalY has exceeded the buffer, so decide on swipe vs. scroll.
- if (totalY > totalX) {
- // Allow native scrolling to take over.
- active = false;
- eventHandlers['cancel'] && eventHandlers['cancel']();
- return;
- } else {
- // Prevent the browser from scrolling.
- event.preventDefault();
-
- eventHandlers['move'] && eventHandlers['move'](coords);
- }
- });
-
- element.on('touchend mouseup', function(event) {
- if (!active) return;
- active = false;
- eventHandlers['end'] && eventHandlers['end'](getCoordinates(event));
- });
- }
- };
-}]);
-
-/**
- * @ngdoc directive
- * @name ngTouch.directive:ngClick
- *
- * @description
- * A more powerful replacement for the default ngClick designed to be used on touchscreen
- * devices. Most mobile browsers wait about 300ms after a tap-and-release before sending
- * the click event. This version handles them immediately, and then prevents the
- * following click event from propagating.
- *
- * This directive can fall back to using an ordinary click event, and so works on desktop
- * browsers as well as mobile.
- *
- * This directive also sets the CSS class `ng-click-active` while the element is being held
- * down (by a mouse click or touch) so you can restyle the depressed element if you wish.
- *
- * @element ANY
- * @param {expression} ngClick {@link guide/expression Expression} to evaluate
- * upon tap. (Event object is available as `$event`)
- *
- * @example
-
-
-
- count: {{ count }}
-
-
- */
-
-ngTouch.config(['$provide', function($provide) {
- $provide.decorator('ngClickDirective', ['$delegate', function($delegate) {
- // drop the default ngClick directive
- $delegate.shift();
- return $delegate;
- }]);
-}]);
-
-ngTouch.directive('ngClick', ['$parse', '$timeout', '$rootElement',
- function($parse, $timeout, $rootElement) {
- var TAP_DURATION = 750; // Shorter than 750ms is a tap, longer is a taphold or drag.
- var MOVE_TOLERANCE = 12; // 12px seems to work in most mobile browsers.
- var PREVENT_DURATION = 2500; // 2.5 seconds maximum from preventGhostClick call to click
- var CLICKBUSTER_THRESHOLD = 25; // 25 pixels in any dimension is the limit for busting clicks.
-
- var ACTIVE_CLASS_NAME = 'ng-click-active';
- var lastPreventedTime;
- var touchCoordinates;
-
-
- // TAP EVENTS AND GHOST CLICKS
- //
- // Why tap events?
- // Mobile browsers detect a tap, then wait a moment (usually ~300ms) to see if you're
- // double-tapping, and then fire a click event.
- //
- // This delay sucks and makes mobile apps feel unresponsive.
- // So we detect touchstart, touchmove, touchcancel and touchend ourselves and determine when
- // the user has tapped on something.
- //
- // What happens when the browser then generates a click event?
- // The browser, of course, also detects the tap and fires a click after a delay. This results in
- // tapping/clicking twice. So we do "clickbusting" to prevent it.
- //
- // How does it work?
- // We attach global touchstart and click handlers, that run during the capture (early) phase.
- // So the sequence for a tap is:
- // - global touchstart: Sets an "allowable region" at the point touched.
- // - element's touchstart: Starts a touch
- // (- touchmove or touchcancel ends the touch, no click follows)
- // - element's touchend: Determines if the tap is valid (didn't move too far away, didn't hold
- // too long) and fires the user's tap handler. The touchend also calls preventGhostClick().
- // - preventGhostClick() removes the allowable region the global touchstart created.
- // - The browser generates a click event.
- // - The global click handler catches the click, and checks whether it was in an allowable region.
- // - If preventGhostClick was called, the region will have been removed, the click is busted.
- // - If the region is still there, the click proceeds normally. Therefore clicks on links and
- // other elements without ngTap on them work normally.
- //
- // This is an ugly, terrible hack!
- // Yeah, tell me about it. The alternatives are using the slow click events, or making our users
- // deal with the ghost clicks, so I consider this the least of evils. Fortunately Angular
- // encapsulates this ugly logic away from the user.
- //
- // Why not just put click handlers on the element?
- // We do that too, just to be sure. The problem is that the tap event might have caused the DOM
- // to change, so that the click fires in the same position but something else is there now. So
- // the handlers are global and care only about coordinates and not elements.
-
- // Checks if the coordinates are close enough to be within the region.
- function hit(x1, y1, x2, y2) {
- return Math.abs(x1 - x2) < CLICKBUSTER_THRESHOLD && Math.abs(y1 - y2) < CLICKBUSTER_THRESHOLD;
- }
-
- // Checks a list of allowable regions against a click location.
- // Returns true if the click should be allowed.
- // Splices out the allowable region from the list after it has been used.
- function checkAllowableRegions(touchCoordinates, x, y) {
- for (var i = 0; i < touchCoordinates.length; i += 2) {
- if (hit(touchCoordinates[i], touchCoordinates[i+1], x, y)) {
- touchCoordinates.splice(i, i + 2);
- return true; // allowable region
- }
- }
- return false; // No allowable region; bust it.
- }
-
- // Global click handler that prevents the click if it's in a bustable zone and preventGhostClick
- // was called recently.
- function onClick(event) {
- if (Date.now() - lastPreventedTime > PREVENT_DURATION) {
- return; // Too old.
- }
-
- var touches = event.touches && event.touches.length ? event.touches : [event];
- var x = touches[0].clientX;
- var y = touches[0].clientY;
- // Work around desktop Webkit quirk where clicking a label will fire two clicks (on the label
- // and on the input element). Depending on the exact browser, this second click we don't want
- // to bust has either (0,0) or negative coordinates.
- if (x < 1 && y < 1) {
- return; // offscreen
- }
-
- // Look for an allowable region containing this click.
- // If we find one, that means it was created by touchstart and not removed by
- // preventGhostClick, so we don't bust it.
- if (checkAllowableRegions(touchCoordinates, x, y)) {
- return;
- }
-
- // If we didn't find an allowable region, bust the click.
- event.stopPropagation();
- event.preventDefault();
-
- // Blur focused form elements
- event.target && event.target.blur();
- }
-
-
- // Global touchstart handler that creates an allowable region for a click event.
- // This allowable region can be removed by preventGhostClick if we want to bust it.
- function onTouchStart(event) {
- var touches = event.touches && event.touches.length ? event.touches : [event];
- var x = touches[0].clientX;
- var y = touches[0].clientY;
- touchCoordinates.push(x, y);
-
- $timeout(function() {
- // Remove the allowable region.
- for (var i = 0; i < touchCoordinates.length; i += 2) {
- if (touchCoordinates[i] == x && touchCoordinates[i+1] == y) {
- touchCoordinates.splice(i, i + 2);
- return;
- }
- }
- }, PREVENT_DURATION, false);
- }
-
- // On the first call, attaches some event handlers. Then whenever it gets called, it creates a
- // zone around the touchstart where clicks will get busted.
- function preventGhostClick(x, y) {
- if (!touchCoordinates) {
- $rootElement[0].addEventListener('click', onClick, true);
- $rootElement[0].addEventListener('touchstart', onTouchStart, true);
- touchCoordinates = [];
- }
-
- lastPreventedTime = Date.now();
-
- checkAllowableRegions(touchCoordinates, x, y);
- }
-
- // Actual linking function.
- return function(scope, element, attr) {
- var clickHandler = $parse(attr.ngClick),
- tapping = false,
- tapElement, // Used to blur the element after a tap.
- startTime, // Used to check if the tap was held too long.
- touchStartX,
- touchStartY;
-
- function resetState() {
- tapping = false;
- element.removeClass(ACTIVE_CLASS_NAME);
- }
-
- element.on('touchstart', function(event) {
- tapping = true;
- tapElement = event.target ? event.target : event.srcElement; // IE uses srcElement.
- // Hack for Safari, which can target text nodes instead of containers.
- if(tapElement.nodeType == 3) {
- tapElement = tapElement.parentNode;
- }
-
- element.addClass(ACTIVE_CLASS_NAME);
-
- startTime = Date.now();
-
- var touches = event.touches && event.touches.length ? event.touches : [event];
- var e = touches[0].originalEvent || touches[0];
- touchStartX = e.clientX;
- touchStartY = e.clientY;
- });
-
- element.on('touchmove', function(event) {
- resetState();
- });
-
- element.on('touchcancel', function(event) {
- resetState();
- });
-
- element.on('touchend', function(event) {
- var diff = Date.now() - startTime;
-
- var touches = (event.changedTouches && event.changedTouches.length) ? event.changedTouches :
- ((event.touches && event.touches.length) ? event.touches : [event]);
- var e = touches[0].originalEvent || touches[0];
- var x = e.clientX;
- var y = e.clientY;
- var dist = Math.sqrt( Math.pow(x - touchStartX, 2) + Math.pow(y - touchStartY, 2) );
-
- if (tapping && diff < TAP_DURATION && dist < MOVE_TOLERANCE) {
- // Call preventGhostClick so the clickbuster will catch the corresponding click.
- preventGhostClick(x, y);
-
- // Blur the focused element (the button, probably) before firing the callback.
- // This doesn't work perfectly on Android Chrome, but seems to work elsewhere.
- // I couldn't get anything to work reliably on Android Chrome.
- if (tapElement) {
- tapElement.blur();
- }
-
- if (!angular.isDefined(attr.disabled) || attr.disabled === false) {
- element.triggerHandler('click', event);
- }
- }
-
- resetState();
- });
-
- // Hack for iOS Safari's benefit. It goes searching for onclick handlers and is liable to click
- // something else nearby.
- element.onclick = function(event) { };
-
- // Actual click handler.
- // There are three different kinds of clicks, only two of which reach this point.
- // - On desktop browsers without touch events, their clicks will always come here.
- // - On mobile browsers, the simulated "fast" click will call this.
- // - But the browser's follow-up slow click will be "busted" before it reaches this handler.
- // Therefore it's safe to use this directive on both mobile and desktop.
- element.on('click', function(event) {
- scope.$apply(function() {
- clickHandler(scope, {$event: event});
- });
- });
-
- element.on('mousedown', function(event) {
- element.addClass(ACTIVE_CLASS_NAME);
- });
-
- element.on('mousemove mouseup', function(event) {
- element.removeClass(ACTIVE_CLASS_NAME);
- });
-
- };
-}]);
-
-/**
- * @ngdoc directive
- * @name ngTouch.directive:ngSwipeLeft
- *
- * @description
- * Specify custom behavior when an element is swiped to the left on a touchscreen device.
- * A leftward swipe is a quick, right-to-left slide of the finger.
- * Though ngSwipeLeft is designed for touch-based devices, it will work with a mouse click and drag too.
- *
- * @element ANY
- * @param {expression} ngSwipeLeft {@link guide/expression Expression} to evaluate
- * upon left swipe. (Event object is available as `$event`)
- *
- * @example
-
-
-