Sha256: 34256f9bdcf1b13cc0ff24a3c7e42055dc1f1cab3dc4cd4d7185a7f3eb819c27
Contents?: true
Size: 1.21 KB
Versions: 37
Compression:
Stored size: 1.21 KB
Contents
//= require ./adjacent_pages
pageflow.SuccessorPreparer = pageflow.Object.extend({
initialize: function(adjacentPages) {
this.adjacentPages = adjacentPages;
},
attach: function(events) {
this.listenTo(events, 'page:change', this.schedule);
},
schedule: function(page) {
clearTimeout(this.scheduleTimeout);
var prepare = _.bind(this.prepareSuccessor, this, page);
this.scheduleTimeout = setTimeout(prepare, page.prepareNextPageTimeout());
},
prepareSuccessor: function(page) {
var preparedPages = _.compact([
page,
this.adjacentPages.nextPage(page)
]);
var noLongerPreparedPages = _.difference(this.lastPreparedPages, preparedPages);
var newAdjacentPages = _.difference(preparedPages, this.lastPreparedPages);
_(noLongerPreparedPages).each(function(page) {
if (!page.isDestroyed) {
page.unprepare();
}
});
_(newAdjacentPages).each(function(adjacentPage) {
adjacentPage.prepare();
});
this.lastPreparedPages = preparedPages;
}
});
pageflow.SuccessorPreparer.create = function(pages, scrollNavigator) {
return new pageflow.SuccessorPreparer(
new pageflow.AdjacentPages(
pages,
scrollNavigator
)
);
};
Version data entries
37 entries across 37 versions & 1 rubygems