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Add option to disable caching Ajax responses. #176

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Add option to disable caching Ajax responses. #176

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635e9bd
Add option to disable caching Ajax responses.
fflewddur Jan 19, 2015
d6d56c3
Merge remote-tracking branch 'upstream/master'
fflewddur May 11, 2015
6f6511c
If the user scrolls very fast, ensure consecutive pages are loaded. R…
fflewddur May 11, 2015
6122e75
Revert "Add option to disable caching Ajax responses."
fflewddur May 11, 2015
20d41cc
Revert "Revert "Add option to disable caching Ajax responses.""
fflewddur May 11, 2015
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57 changes: 34 additions & 23 deletions src/jquery-ias.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
this.$container = (window === $element.get(0) ? $(document) : $element);
this.defaultDelay = options.delay;
this.negativeMargin = options.negativeMargin;
this.cacheAjaxResults = options.cacheAjaxResults;
this.nextUrl = null;
this.isBound = false;
this.isPaused = false;
Expand All @@ -50,7 +51,7 @@
* @private
*/
this.scrollHandler = function() {
// the throttle method can call the scrollHandler even thought we have called unbind()
// the throttle method can call the scrollHandler even though we have called unbind()
if (!this.isBound || this.isPaused) {
return;
}
Expand Down Expand Up @@ -186,31 +187,37 @@

self.fire('load', [loadEvent]);

return $.get(loadEvent.url, null, $.proxy(function(data) {
$itemContainer = $(this.itemsContainerSelector, data).eq(0);
if (0 === $itemContainer.length) {
$itemContainer = $(data).filter(this.itemsContainerSelector).eq(0);
}
return $.ajax({
url: loadEvent.url,
data: null,
success: $.proxy(function(data) {
$itemContainer = $(this.itemsContainerSelector, data).eq(0);
if (0 === $itemContainer.length) {
$itemContainer = $(data).filter(this.itemsContainerSelector).eq(0);
}

if ($itemContainer) {
$itemContainer.find(this.itemSelector).each(function() {
items.push(this);
});
}
if ($itemContainer) {
$itemContainer.find(this.itemSelector).each(function() {
items.push(this);
});
}

self.fire('loaded', [data, items]);
self.fire('loaded', [data, items]);

if (callback) {
timeDiff = +new Date() - timeStart;
if (timeDiff < delay) {
setTimeout(function() {
if (callback) {
timeDiff = +new Date() - timeStart;
if (timeDiff < delay) {
setTimeout(function() {
callback.call(self, data, items);
}, delay - timeDiff);
} else {
callback.call(self, data, items);
}, delay - timeDiff);
} else {
callback.call(self, data, items);
}
}
}
}, self), 'html');
}, self),
dataType: 'html',
cache: this.cacheAjaxResults
});
};

/**
Expand Down Expand Up @@ -245,7 +252,7 @@
}
});
});

promise.fail(function() {
if (callback) {
callback();
Expand Down Expand Up @@ -550,6 +557,9 @@
self.nextUrl = self.getNextUrl(data);

self.resume();

// The user may have scrolled further while we were paused
self.scrollHandler();
});
});
});
Expand Down Expand Up @@ -649,6 +659,7 @@
next: '.next',
pagination: false,
delay: 600,
negativeMargin: 10
negativeMargin: 10,
cacheAjaxResults: true
};
})(jQuery);