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feat($ionicScrollDelegate): rememberScrollPosition, scrollToRememberedPosition

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/**
 * @ngdoc method
 * @name $ionicScrollDelegate#rememberScrollPosition
 * @description
 *
 * When this scroll area is destroyed, its last scroll position will be
 * saved using the given id.
 *
 * @param {string} id The identifier for this saved scroll position.
 */

/**
 * @ngdoc method
 * @name $ionicScrollDelegate#scrollToRememberedPosition
 * @description
 *
 * If a scroll position was remembered using the given id, loads the
 * remembered scroll position and scrolls there.
 *
 * @param {string} id The identifier for this saved scroll position.
 * @param {boolean=} shouldAnimate Whether to animate the scroll.
 */
This commit is contained in:
Andy Joslin
2014-03-17 08:39:23 -06:00
parent cc0a4ef775
commit 5a0efecef6
8 changed files with 159 additions and 98 deletions
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21
js/ext/angular/test/controller/ionicScrollController.unit.js
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@@ -63,6 +63,27 @@ describe('$ionicScroll Controller', function() {
expect(ctrl.scrollView.resize).toHaveBeenCalled();
});
it('should remember scroll position on $viewContentLoaded event', function() {
var historyData = { rememberedScrollValues: { left: 1, top: 2 } };
setup();
spyOn(ctrl.scrollView, 'scrollTo');
scope.$broadcast('$viewContentLoaded', historyData);
timeout.flush();
expect(ctrl.scrollView.scrollTo).toHaveBeenCalledWith(1, 2);
spyOn(ctrl.scrollView, 'getValues').andCallFake(function() {
return {
left: 33,
top: 44
};
});
scope.$broadcast('$destroy');
expect(historyData.rememberedScrollValues).toEqual({
left: 33,
top: 44
});
});
it('should unbind window event listener on scope destroy', function() {
spyOn(window, 'removeEventListener');
spyOn(window, 'addEventListener');