Function eventHandler

src/workbench/browser/src/ng1/lib/angular/angular.js:3927–3970

(event, type)

    function createEventHandler(element, events) {
        var eventHandler = function (event, type) {
            // jQuery specific api
            event.isDefaultPrevented = function () {
                return event.defaultPrevented;
            };

            var eventFns = events[type || event.type];
            var eventFnsLength = eventFns ? eventFns.length : 0;

            if (!eventFnsLength) return;

            if (isUndefined(event.immediatePropagationStopped)) {
                var originalStopImmediatePropagation = event.stopImmediatePropagation;
                event.stopImmediatePropagation = function () {
                    event.immediatePropagationStopped = true;

                    if (event.stopPropagation) {
                        event.stopPropagation();
                    }

                    if (originalStopImmediatePropagation) {
                        originalStopImmediatePropagation.call(event);
                    }
                };
            }

            event.isImmediatePropagationStopped = function () {
                return event.immediatePropagationStopped === true;
            };

            // Some events have special handlers that wrap the real handler
            var handlerWrapper = eventFns.specialHandlerWrapper || defaultHandlerWrapper;

            // Copy event handlers in case event handlers array is modified during execution.
            if ((eventFnsLength > 1)) {
                eventFns = shallowCopy(eventFns);
            }

            for (var i = 0; i < eventFnsLength; i++) {
                if (!event.isImmediatePropagationStopped()) {
                    handlerWrapper(element, event, eventFns[i]);
                }
            }
        };

        // TODO: this is a hack for angularMocks/clearDataCache that makes it possible to deregister all
        //       events on `element`