Fixes for bugs found thanks to unit tests.
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1 changed files with 39 additions and 23 deletions
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@ -56,11 +56,13 @@ jQuery.Callbacks = function( flags, filter ) {
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var // Actual callback list
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list = [],
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// Stack of fire calls for repeatable lists
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stack = !flags.once && [],
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stack = [],
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// Last fire value (for non-forgettable lists)
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memory,
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// Flag to know if list is currently firing
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firing,
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// Index of cells to remove in the list after firing
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deleteAfterFire,
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// Add a list of callbacks to the list
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add = function( args ) {
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var i,
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@ -79,10 +81,9 @@ jQuery.Callbacks = function( flags, filter ) {
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// if it already exists
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if ( flags.relocate ) {
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object.remove( elem );
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} else if ( flags.unique && object.has( elem ) ) {
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continue;
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}
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// Unless we have a list with unicity and the
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// function is already there, add it
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if ( !( flags.unique && object.has( elem ) ) ) {
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// Get the filtered function if needs be
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actual = filter ? filter( elem ) : elem;
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if ( actual ) {
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@ -90,19 +91,20 @@ jQuery.Callbacks = function( flags, filter ) {
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}
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}
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}
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}
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},
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object = {
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// Add a callback or a collection of callbacks to the list
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add: function() {
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if ( list ) {
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var length = list.length;
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add( arguments );
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// If we're not firing and we should call right away
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// With memory, if we're not firing then
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// we should call right away
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if ( !firing && flags.memory && memory ) {
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// Trick the list into thinking it needs to be fired
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var tmp = memory;
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memory = undefined;
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object.fireWith( tmp[ 0 ], tmp[ 1 ] );
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object.fireWith( tmp[ 0 ], tmp[ 1 ], length );
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}
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}
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return this;
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@ -113,9 +115,14 @@ jQuery.Callbacks = function( flags, filter ) {
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var i = 0,
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length = list.length;
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for ( ; i < length; i++ ) {
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if ( fn === list[ i ][ 0 ] ) {
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if ( list[ i ] && fn === list[ i ][ 0 ] ) {
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if ( firing ) {
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list[ i ] = undefined;
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deleteAfterFire.push( i );
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} else {
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list.splice( i, 1 );
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i--;
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}
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// If we have some unicity property then
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// we only need to do this once
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if ( flags.unique || flags.relocate ) {
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@ -132,7 +139,7 @@ jQuery.Callbacks = function( flags, filter ) {
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var i = 0,
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length = list.length;
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for ( ; i < length; i++ ) {
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if ( fn === list[ i ][ 0 ] ) {
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if ( list[ i ] && fn === list[ i ][ 0 ] ) {
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return true;
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}
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}
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@ -158,30 +165,39 @@ jQuery.Callbacks = function( flags, filter ) {
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return this;
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},
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// Call all callbacks with the given context and arguments
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fireWith: function( context, args ) {
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var i;
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if ( list && ( flags.once ? !memory && !firing : stack ) ) {
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fireWith: function( context, args, start /* internal */ ) {
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var i,
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done,
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stoppedOnFalse;
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if ( list && stack && ( !flags.once || !memory && !firing ) ) {
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if ( firing ) {
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stack.push( [ context, args ] );
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} else {
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args = args || [];
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memory = !flags.memory || [ context, args ];
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firing = true;
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deleteAfterFire = [];
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try {
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for ( i = 0; list && i < list.length; i++ ) {
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if ( list[ i ][ 1 ].apply( context, args ) === false && flags.stopOnFalse ) {
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for ( i = start || 0; list && i < list.length; i++ ) {
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if (( stoppedOnFalse = list[ i ] &&
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list[ i ][ 1 ].apply( context, args ) === false &&
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flags.stopOnFalse )) {
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break;
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}
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}
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} finally {
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firing = false;
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if ( list ) {
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done = ( stoppedOnFalse || i >= list.length );
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for ( i = 0; i < deleteAfterFire.length; i++ ) {
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list.splice( deleteAfterFire[ i ], 1 );
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}
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if ( !flags.once ) {
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if ( i >= list.length && stack.length ) {
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object.fire.apply( this, stack.shift() );
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if ( done && stack && stack.length ) {
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object.fireWith.apply( this, stack.shift() );
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}
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} else if ( !flags.memory ) {
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object.destroy();
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object.disable();
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} else {
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list = [];
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}
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