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- goog.provide('goog.events.actionEventWrapper');
- goog.require('goog.a11y.aria');
- goog.require('goog.a11y.aria.Role');
- goog.require('goog.dom');
- goog.require('goog.events');
- goog.require('goog.events.EventHandler');
- goog.require('goog.events.EventType');
- goog.require('goog.events.EventWrapper');
- goog.require('goog.events.KeyCodes');
- goog.require('goog.userAgent');
- goog.events.ActionEventWrapper_ = function() {};
- goog.events.ActionEventWrapper_.FunctionExtension_ = function() {};
- goog.events.ActionEventWrapper_.FunctionExtension_.prototype.scope_;
- goog.events.ActionEventWrapper_.FunctionExtension_.prototype.listener_;
- goog.events.actionEventWrapper = new goog.events.ActionEventWrapper_();
- goog.events.ActionEventWrapper_.EVENT_TYPES_ = [
- goog.events.EventType.CLICK,
- goog.userAgent.GECKO ? goog.events.EventType.KEYPRESS :
- goog.events.EventType.KEYDOWN,
- goog.events.EventType.KEYUP
- ];
- goog.events.ActionEventWrapper_.prototype.listen = function(
- target, listener, opt_capt, opt_scope, opt_eventHandler) {
- var callback = function(e) {
- var listenerFn = goog.events.wrapListener(listener);
- var role = goog.dom.isElement(e.target) ?
- goog.a11y.aria.getRole( (e.target)) :
- null;
- if (e.type == goog.events.EventType.CLICK && e.isMouseActionButton()) {
- listenerFn.call(opt_scope, e);
- } else if (
- (e.keyCode == goog.events.KeyCodes.ENTER ||
- e.keyCode == goog.events.KeyCodes.MAC_ENTER) &&
- e.type != goog.events.EventType.KEYUP) {
-
- e.type = goog.events.EventType.KEYPRESS;
- listenerFn.call(opt_scope, e);
- } else if (
- e.keyCode == goog.events.KeyCodes.SPACE &&
- e.type == goog.events.EventType.KEYUP &&
- (role == goog.a11y.aria.Role.BUTTON ||
- role == goog.a11y.aria.Role.TAB)) {
- listenerFn.call(opt_scope, e);
- e.preventDefault();
- }
- };
- callback.listener_ = listener;
- callback.scope_ = opt_scope;
- if (opt_eventHandler) {
- opt_eventHandler.listen(
- target, goog.events.ActionEventWrapper_.EVENT_TYPES_, callback,
- opt_capt);
- } else {
- goog.events.listen(
- target, goog.events.ActionEventWrapper_.EVENT_TYPES_, callback,
- opt_capt);
- }
- };
- goog.events.ActionEventWrapper_.prototype.unlisten = function(
- target, listener, opt_capt, opt_scope, opt_eventHandler) {
- for (var type, j = 0; type = goog.events.ActionEventWrapper_.EVENT_TYPES_[j];
- j++) {
- var listeners = goog.events.getListeners(target, type, !!opt_capt);
- for (var obj, i = 0; obj = listeners[i]; i++) {
- var objListener =
- (
- obj.listener);
- if (objListener.listener_ == listener &&
- objListener.scope_ == opt_scope) {
- if (opt_eventHandler) {
- opt_eventHandler.unlisten(
- target, type, obj.listener, opt_capt, opt_scope);
- } else {
- goog.events.unlisten(target, type, obj.listener, opt_capt, opt_scope);
- }
- break;
- }
- }
- }
- };
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