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authorMark Haines <mark.haines@matrix.org>2014-11-04 15:57:23 +0000
committerMark Haines <mark.haines@matrix.org>2014-11-04 15:57:23 +0000
commit89ba802b23bf1fd22afbc5e9a4b3b732264e3c18 (patch)
tree34b7803cf8dfb570165c1b1c6f674dc5ca4476c7 /syweb/webclient/js/ng-infinite-scroll-matrix.js
parentMerge pull request #11 from matrix-org/webclient-room-data-restructure (diff)
downloadsynapse-89ba802b23bf1fd22afbc5e9a4b3b732264e3c18.tar.xz
Move webclient to a python module so that it can be installed
Diffstat (limited to 'syweb/webclient/js/ng-infinite-scroll-matrix.js')
-rw-r--r--syweb/webclient/js/ng-infinite-scroll-matrix.js63
1 files changed, 63 insertions, 0 deletions
diff --git a/syweb/webclient/js/ng-infinite-scroll-matrix.js b/syweb/webclient/js/ng-infinite-scroll-matrix.js
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index 0000000000..045ec8d93e --- /dev/null +++ b/syweb/webclient/js/ng-infinite-scroll-matrix.js
@@ -0,0 +1,63 @@ +/* ng-infinite-scroll - v1.0.0 - 2013-02-23 + Matrix: Modified to support scrolling UP to get infinite loading and to listen + to scroll events on the PARENT element, not the window. +*/ +var mod; + +mod = angular.module('infinite-scroll', []); + +mod.directive('infiniteScroll', [ + '$rootScope', '$window', '$timeout', function($rootScope, $window, $timeout) { + return { + link: function(scope, elem, attrs) { + var checkWhenEnabled, handler, scrollDistance, scrollEnabled; + $window = angular.element($window); + scrollDistance = 0; + if (attrs.infiniteScrollDistance != null) { + scope.$watch(attrs.infiniteScrollDistance, function(value) { + return scrollDistance = parseInt(value, 10); + }); + } + scrollEnabled = true; + checkWhenEnabled = false; + if (attrs.infiniteScrollDisabled != null) { + scope.$watch(attrs.infiniteScrollDisabled, function(value) { + scrollEnabled = !value; + if (scrollEnabled && checkWhenEnabled) { + checkWhenEnabled = false; + return handler(); + } + }); + } + handler = function() { + var elementTop, remaining, shouldScroll, windowTop; + windowTop = 0; + elementTop = elem.offset().top; + shouldScroll = elementTop >= 0; // top of list is at the top of the window or further down the page + if (shouldScroll && scrollEnabled) { + if ($rootScope.$$phase) { + return scope.$eval(attrs.infiniteScroll); + } else { + return scope.$apply(attrs.infiniteScroll); + } + } else if (shouldScroll) { + return checkWhenEnabled = true; + } + }; + elem.parent().on('scroll', handler); + scope.$on('$destroy', function() { + return elem.parent().off('scroll', handler); + }); + return $timeout((function() { + if (attrs.infiniteScrollImmediateCheck) { + if (scope.$eval(attrs.infiniteScrollImmediateCheck)) { + return handler(); + } + } else { + return handler(); + } + }), 0); + } + }; + } +]);