Inez has uploaded a new change for review.
https://gerrit.wikimedia.org/r/72113
Change subject: Performance optimizations for ve.ce.ProtectedNode
......................................................................
Performance optimizations for ve.ce.ProtectedNode
* shields are create in mouseenter handler instead of setup handler
* phantoms are created based on the shields collection instead of another one
call to jQuery.find
Change-Id: I4f0803eadac9914053cb880c4198906f4a05769d
---
M modules/ve/ce/ve.ce.ProtectedNode.js
1 file changed, 34 insertions(+), 21 deletions(-)
git pull ssh://gerrit.wikimedia.org:29418/mediawiki/extensions/VisualEditor
refs/changes/13/72113/1
diff --git a/modules/ve/ce/ve.ce.ProtectedNode.js
b/modules/ve/ce/ve.ce.ProtectedNode.js
index 329b5bf..a8bc4ca 100644
--- a/modules/ve/ce/ve.ce.ProtectedNode.js
+++ b/modules/ve/ce/ve.ce.ProtectedNode.js
@@ -18,6 +18,7 @@
this.$phantoms = $( [] );
this.$shields = $( [] );
this.isSetup = false;
+ this.areShieldsSetup = false;
// Events
this.connect( this, {
@@ -65,10 +66,6 @@
* @method
*/
ve.ce.ProtectedNode.prototype.onProtectedSetup = function () {
- var $shield,
- node = this,
- $shieldTemplate = this.constructor.static.$shieldTemplate;
-
// Exit if already setup or not unattached
if ( this.isSetup || !this.root ) {
return;
@@ -80,21 +77,6 @@
.connect( this, { 'change': 'onSurfaceModelChange' } );
this.getRoot().getSurface().getSurface()
.connect( this, { 'toolbarPosition': 'positionPhantoms' } );
-
- // Shields
- this.$.add( this.$.find( '*' ) ).each( function () {
- var $this = $( this );
- if ( this.nodeType === Node.ELEMENT_NODE ) {
- if (
- ( $this.css( 'float' ) === 'none' || $this.css(
'float' ) === '' ) &&
- !$this.hasClass( 've-ce-protectedNode' )
- ) {
- return;
- }
- $shield = $shieldTemplate.clone().appendTo( $this );
- node.$shields = node.$shields.add( $shield );
- }
- } );
this.isSetup = true;
};
@@ -155,6 +137,9 @@
* @method
*/
ve.ce.ProtectedNode.prototype.onProtectedMouseEnter = function () {
+ if ( !this.areShieldsSetup ) {
+ this.setupShields();
+ }
if ( !this.root.getSurface().dragging ) {
this.createPhantoms();
}
@@ -200,6 +185,34 @@
};
/**
+ * Setup shields
+ *
+ * @method
+ */
+ve.ce.ProtectedNode.prototype.setupShields = function () {
+ var $shield,
+ node = this,
+ $shieldTemplate = this.constructor.static.$shieldTemplate;
+
+ // Shields
+ this.$.add( this.$.find( '*' ) ).each( function () {
+ var $this = $( this );
+ if ( this.nodeType === Node.ELEMENT_NODE ) {
+ if (
+ ( $this.css( 'float' ) === 'none' || $this.css(
'float' ) === '' ) &&
+ !$this.hasClass( 've-ce-protectedNode' )
+ ) {
+ return;
+ }
+ $shield = $shieldTemplate.clone().appendTo( $this );
+ node.$shields = node.$shields.add( $shield );
+ }
+ } );
+
+ this.areShieldsSetup = true;
+};
+
+/**
* Creates phantoms
*
* @method
@@ -208,7 +221,7 @@
var $phantomTemplate = this.constructor.static.$phantomTemplate,
surface = this.root.getSurface();
- this.$.find( '.ve-ce-protectedNode-shield' ).each(
+ this.$shields.each(
ve.bind( function () {
this.$phantoms = this.$phantoms.add(
$phantomTemplate.clone().on( 'mousedown',
ve.bind( this.onPhantomMouseDown, this ) )
@@ -230,7 +243,7 @@
* @method
*/
ve.ce.ProtectedNode.prototype.positionPhantoms = function () {
- this.$.find( '.ve-ce-protectedNode-shield' ).each(
+ this.$shields.each(
ve.bind( function ( i, element ) {
var $shield = $( element ),
offset = ve.Element.getRelativePosition(
--
To view, visit https://gerrit.wikimedia.org/r/72113
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I4f0803eadac9914053cb880c4198906f4a05769d
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/extensions/VisualEditor
Gerrit-Branch: master
Gerrit-Owner: Inez <[email protected]>
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