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fix(ngAnimate): correctly animate transcluded clones with templateUrl #15514

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fix(ngAnimate): correctly animate transcluded clones with templateUrl #15514

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3db2092
refactor(ngAnimate): remove unused argument
gkalpak Dec 15, 2016
d5ea497
refactor(ngAnimate): simplify `areAnimationsAllowed()` and remove red…
gkalpak Dec 15, 2016
8c71c02
refactor(ngAnimate): simplify `cleanupEventListeners()` and remove re…
gkalpak Dec 15, 2016
a4d4d3c
refactor(ngAnimate): simplify `closeChildAnimations()` and remove red…
gkalpak Dec 15, 2016
9f55361
refactor(ngAnimate): simplify `clearElementAnimationState()` and remo…
gkalpak Dec 15, 2016
21ca2ee
refactor(ngAnimate): simplify `markElementAnimationState()` and remov…
gkalpak Dec 15, 2016
288351b
refactor(ngAnimate): simplify `findCallbacks()` and remove redundant …
gkalpak Dec 15, 2016
df88676
chore(benchmarks): add basic animation benchmark
gkalpak Dec 17, 2016
d552f11
test(ngAnimate): make expectations more specific
gkalpak Dec 21, 2016
5341108
fix(ngAnimate): correctly animate transcluded clones with `templateUrl`
gkalpak Dec 15, 2016
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60 changes: 28 additions & 32 deletions src/ngAnimate/animateQueue.js
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Original file line number Diff line number Diff line change
Expand Up @@ -381,7 +381,7 @@ var $$AnimateQueueProvider = ['$animateProvider', /** @this */ function($animate
// there is no point in traversing the same collection of parent ancestors if a followup
// animation will be run on the same element that already did all that checking work
if (!skipAnimations && (!hasExistingAnimation || existingAnimation.state !== PRE_DIGEST_STATE)) {
skipAnimations = !areAnimationsAllowed(element, parent, event);
skipAnimations = !areAnimationsAllowed(node, getDomNode(parent), event);
}

if (skipAnimations) {
Expand Down Expand Up @@ -610,65 +610,61 @@ var $$AnimateQueueProvider = ['$animateProvider', /** @this */ function($animate
activeAnimationsLookup.remove(node);
}

function isMatchingElement(nodeOrElmA, nodeOrElmB) {
return getDomNode(nodeOrElmA) === getDomNode(nodeOrElmB);
}

/**
* This fn returns false if any of the following is true:
* a) animations on any parent element are disabled, and animations on the element aren't explicitly allowed
* b) a parent element has an ongoing structural animation, and animateChildren is false
* c) the element is not a child of the body
* d) the element is not a child of the $rootElement
*/
function areAnimationsAllowed(element, parentElement, event) {
var bodyElement = jqLite($document[0].body);
var bodyElementDetected = isMatchingElement(element, bodyElement) || element[0].nodeName === 'HTML';
var rootElementDetected = isMatchingElement(element, $rootElement);
function areAnimationsAllowed(node, parentNode, event) {
var bodyNode = $document[0].body;
var rootNode = getDomNode($rootElement);

var bodyNodeDetected = (node === bodyNode) || node.nodeName === 'HTML';
var rootNodeDetected = (node === rootNode);
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Why the parens? (here & in other places)

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A couple of reasons (at least):

  1. I find them more readable. I think it is a remnant from my early Java days (and this ancient document).
  2. It is also visually closer to isMatchingElement(...) 😛

(Hey, I changed the trailing dots, I am not removing the parens.)

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Looks like we need an eslint rule for that :D But I prefer the parens too

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I like not having parents here but as long as ESLint will shout at me if I forget them I'd be satisfied as well. ;)

var parentAnimationDetected = false;
var elementDisabled = disabledElementsLookup.get(node);
var animateChildren;
var elementDisabled = disabledElementsLookup.get(getDomNode(element));

var parentHost = jqLite.data(element[0], NG_ANIMATE_PIN_DATA);
var parentHost = jqLite.data(node, NG_ANIMATE_PIN_DATA);
if (parentHost) {
parentElement = parentHost;
parentNode = getDomNode(parentHost);
}

parentElement = getDomNode(parentElement);

while (parentElement) {
if (!rootElementDetected) {
while (parentNode) {
if (!rootNodeDetected) {
// angular doesn't want to attempt to animate elements outside of the application
// therefore we need to ensure that the rootElement is an ancestor of the current element
rootElementDetected = isMatchingElement(parentElement, $rootElement);
rootNodeDetected = (parentNode === rootNode);
}

if (parentElement.nodeType !== ELEMENT_NODE) {
if (parentNode.nodeType !== ELEMENT_NODE) {
// no point in inspecting the #document element
break;
}

var details = activeAnimationsLookup.get(parentElement) || {};
var details = activeAnimationsLookup.get(parentNode) || {};
// either an enter, leave or move animation will commence
// therefore we can't allow any animations to take place
// but if a parent animation is class-based then that's ok
if (!parentAnimationDetected) {
var parentElementDisabled = disabledElementsLookup.get(parentElement);
var parentNodeDisabled = disabledElementsLookup.get(parentNode);

if (parentElementDisabled === true && elementDisabled !== false) {
if (parentNodeDisabled === true && elementDisabled !== false) {
// disable animations if the user hasn't explicitly enabled animations on the
// current element
elementDisabled = true;
// element is disabled via parent element, no need to check anything else
break;
} else if (parentElementDisabled === false) {
} else if (parentNodeDisabled === false) {
elementDisabled = false;
}
parentAnimationDetected = details.structural;
}

if (isUndefined(animateChildren) || animateChildren === true) {
var value = jqLite.data(parentElement, NG_ANIMATE_CHILDREN_DATA);
var value = jqLite.data(parentNode, NG_ANIMATE_CHILDREN_DATA);
if (isDefined(value)) {
animateChildren = value;
}
Expand All @@ -677,33 +673,33 @@ var $$AnimateQueueProvider = ['$animateProvider', /** @this */ function($animate
// there is no need to continue traversing at this point
if (parentAnimationDetected && animateChildren === false) break;

if (!bodyElementDetected) {
if (!bodyNodeDetected) {
// we also need to ensure that the element is or will be a part of the body element
// otherwise it is pointless to even issue an animation to be rendered
bodyElementDetected = isMatchingElement(parentElement, bodyElement);
bodyNodeDetected = (parentNode === bodyNode);
}

if (bodyElementDetected && rootElementDetected) {
if (bodyNodeDetected && rootNodeDetected) {
// If both body and root have been found, any other checks are pointless,
// as no animation data should live outside the application
break;
}

if (!rootElementDetected) {
// If no rootElement is detected, check if the parentElement is pinned to another element
parentHost = jqLite.data(parentElement, NG_ANIMATE_PIN_DATA);
if (!rootNodeDetected) {
// If `rootNode` is not detected, check if `parentNode` is pinned to another element
parentHost = jqLite.data(parentNode, NG_ANIMATE_PIN_DATA);
if (parentHost) {
// The pin target element becomes the next parent element
parentElement = getDomNode(parentHost);
parentNode = getDomNode(parentHost);
continue;
}
}

parentElement = parentElement.parentNode;
parentNode = parentNode.parentNode;
}

var allowAnimation = (!parentAnimationDetected || animateChildren) && elementDisabled !== true;
return allowAnimation && rootElementDetected && bodyElementDetected;
return allowAnimation && rootNodeDetected && bodyNodeDetected;
}

function markElementAnimationState(element, state, details) {
Expand Down