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How to use event method in localstack
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eventtargettester.js
Source:eventtargettester.js 
1// Copyright 2012 The Closure Library Authors. All Rights Reserved.2//3// Licensed under the Apache License, Version 2.0 (the "License");4// you may not use this file except in compliance with the License.5// You may obtain a copy of the License at6//7// http://www.apache.org/licenses/LICENSE-2.08//9// Unless required by applicable law or agreed to in writing, software10// distributed under the License is distributed on an "AS-IS" BASIS,11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12// See the License for the specific language governing permissions and13// limitations under the License.14/**15 * @fileoverview goog.events.EventTarget tester.16 */17goog.provide('goog.events.eventTargetTester');18goog.setTestOnly('goog.events.eventTargetTester');19goog.provide('goog.events.eventTargetTester.KeyType');20goog.setTestOnly('goog.events.eventTargetTester.KeyType');21goog.provide('goog.events.eventTargetTester.UnlistenReturnType');22goog.setTestOnly('goog.events.eventTargetTester.UnlistenReturnType');23goog.require('goog.array');24goog.require('goog.events');25goog.require('goog.events.Event');26goog.require('goog.events.EventTarget');27goog.require('goog.testing.asserts');28goog.require('goog.testing.recordFunction');29/**30 * Setup step for the test functions. This needs to be called from the31 * test setUp.32 * @param {function():!goog.events.Listenable} listenableFactoryFn Function33 * that will return a new Listenable instance each time it is called.34 * @param {Function} listenFn Function that, given the same signature35 * as goog.events.listen, will add listener to the given event36 * target.37 * @param {Function} unlistenFn Function that, given the same38 * signature as goog.events.unlisten, will remove listener from39 * the given event target.40 * @param {Function} unlistenByKeyFn Function that, given 241 * parameters: src and key, will remove the corresponding42 * listener.43 * @param {Function} listenOnceFn Function that, given the same44 * signature as goog.events.listenOnce, will add a one-time45 * listener to the given event target.46 * @param {Function} dispatchEventFn Function that, given the same47 * signature as goog.events.dispatchEvent, will dispatch the event48 * on the given event target.49 * @param {Function} removeAllFn Function that, given the same50 * signature as goog.events.removeAll, will remove all listeners51 * according to the contract of goog.events.removeAll.52 * @param {Function} getListenersFn Function that, given the same53 * signature as goog.events.getListeners, will retrieve listeners.54 * @param {Function} getListenerFn Function that, given the same55 * signature as goog.events.getListener, will retrieve the56 * listener object.57 * @param {Function} hasListenerFn Function that, given the same58 * signature as goog.events.hasListener, will determine whether59 * listeners exist.60 * @param {goog.events.eventTargetTester.KeyType} listenKeyType The61 * key type returned by listen call.62 * @param {goog.events.eventTargetTester.UnlistenReturnType}63 * unlistenFnReturnType64 * Whether we should check return value from65 * unlisten call. If unlisten does not return a value, this should66 * be set to false.67 * @param {boolean} objectListenerSupported Whether listener of type68 * Object is supported.69 */70goog.events.eventTargetTester.setUp = function(71 listenableFactoryFn,72 listenFn, unlistenFn, unlistenByKeyFn, listenOnceFn,73 dispatchEventFn, removeAllFn,74 getListenersFn, getListenerFn, hasListenerFn,75 listenKeyType, unlistenFnReturnType, objectListenerSupported) {76 listenableFactory = listenableFactoryFn;77 listen = listenFn;78 unlisten = unlistenFn;79 unlistenByKey = unlistenByKeyFn;80 listenOnce = listenOnceFn;81 dispatchEvent = dispatchEventFn;82 removeAll = removeAllFn;83 getListeners = getListenersFn;84 getListener = getListenerFn;85 hasListener = hasListenerFn;86 keyType = listenKeyType;87 unlistenReturnType = unlistenFnReturnType;88 objectTypeListenerSupported = objectListenerSupported;89 listeners = [];90 for (var i = 0; i < goog.events.eventTargetTester.MAX_; i++) {91 listeners[i] = createListener();92 }93 eventTargets = [];94 for (i = 0; i < goog.events.eventTargetTester.MAX_; i++) {95 eventTargets[i] = listenableFactory();96 }97};98/**99 * Teardown step for the test functions. This needs to be called from100 * test teardown.101 */102goog.events.eventTargetTester.tearDown = function() {103 for (var i = 0; i < goog.events.eventTargetTester.MAX_; i++) {104 goog.dispose(eventTargets[i]);105 }106};107/**108 * The type of key returned by key-returning functions (listen).109 * @enum {number}110 */111goog.events.eventTargetTester.KeyType = {112 /**113 * Returns number for key.114 */115 NUMBER: 0,116 /**117 * Returns undefined (no return value).118 */119 UNDEFINED: 1120};121/**122 * The type of unlisten function's return value.123 */124goog.events.eventTargetTester.UnlistenReturnType = {125 /**126 * Returns boolean indicating whether unlisten is successful.127 */128 BOOLEAN: 0,129 /**130 * Returns undefind (no return value).131 */132 UNDEFINED: 1133};134/**135 * Expando property used on "listener" function to determine if a136 * listener has already been checked. This is what allows us to137 * implement assertNoOtherListenerIsCalled.138 * @type {string}139 */140goog.events.eventTargetTester.ALREADY_CHECKED_PROP = '__alreadyChecked';141/**142 * Expando property used on "listener" function to record the number143 * of times it has been called the last time assertListenerIsCalled is144 * done. This allows us to verify that it has not been called more145 * times in assertNoOtherListenerIsCalled.146 */147goog.events.eventTargetTester.NUM_CALLED_PROP = '__numCalled';148/**149 * The maximum number of initialized event targets (in eventTargets150 * array) and listeners (in listeners array).151 * @type {number}152 * @private153 */154goog.events.eventTargetTester.MAX_ = 10;155/**156 * Contains test event types.157 * @enum {string}158 */159var EventType = {160 A: goog.events.getUniqueId('a'),161 B: goog.events.getUniqueId('b'),162 C: goog.events.getUniqueId('c')163};164var listen, unlisten, unlistenByKey, listenOnce, dispatchEvent;165var removeAll, getListeners, getListener, hasListener;166var keyType, unlistenReturnType, objectTypeListenerSupported;167var eventTargets, listeners;168/**169 * Custom event object for testing.170 * @constructor171 * @extends {goog.events.Event}172 */173var TestEvent = function() {174 goog.base(this, EventType.A);175};176goog.inherits(TestEvent, goog.events.Event);177/**178 * Creates a listener that executes the given function (optional).179 * @param {!Function=} opt_listenerFn The optional function to execute.180 * @return {!Function} The listener function.181 */182function createListener(opt_listenerFn) {183 return goog.testing.recordFunction(opt_listenerFn);184}185/**186 * Asserts that the given listener is called numCount number of times.187 * @param {!Function} listener The listener to check.188 * @param {number} numCount The number of times. See also the times()189 * function below.190 */191function assertListenerIsCalled(listener, numCount) {192 assertEquals('Listeners is not called the correct number of times.',193 numCount, listener.getCallCount());194 listener[goog.events.eventTargetTester.ALREADY_CHECKED_PROP] = true;195 listener[goog.events.eventTargetTester.NUM_CALLED_PROP] = numCount;196}197/**198 * Asserts that no other listeners, other than those verified via199 * assertListenerIsCalled, have been called since the last200 * resetListeners().201 */202function assertNoOtherListenerIsCalled() {203 goog.array.forEach(listeners, function(l, index) {204 if (!l[goog.events.eventTargetTester.ALREADY_CHECKED_PROP]) {205 assertEquals(206 'Listeners ' + index + ' is unexpectedly called.',207 0, l.getCallCount());208 } else {209 assertEquals(210 'Listeners ' + index + ' is unexpectedly called.',211 l[goog.events.eventTargetTester.NUM_CALLED_PROP], l.getCallCount());212 }213 });214}215/**216 * Resets all listeners call count to 0.217 */218function resetListeners() {219 goog.array.forEach(listeners, function(l) {220 l.reset();221 l[goog.events.eventTargetTester.ALREADY_CHECKED_PROP] = false;222 });223}224/**225 * The number of times a listener should have been executed. This226 * exists to make assertListenerIsCalled more readable. This is used227 * like so: assertListenerIsCalled(listener, times(2));228 * @param {number} n The number of times a listener should have been229 * executed.230 * @return {number} The number n.231 */232function times(n) {233 return n;234}235function testNoListener() {236 dispatchEvent(eventTargets[0], EventType.A);237 assertNoOtherListenerIsCalled();238}239function testOneListener() {240 listen(eventTargets[0], EventType.A, listeners[0]);241 dispatchEvent(eventTargets[0], EventType.A);242 assertListenerIsCalled(listeners[0], times(1));243 assertNoOtherListenerIsCalled();244 resetListeners();245 dispatchEvent(eventTargets[0], EventType.B);246 dispatchEvent(eventTargets[0], EventType.C);247 assertNoOtherListenerIsCalled();248}249function testTwoListenersOfSameType() {250 var key1 = listen(eventTargets[0], EventType.A, listeners[0]);251 var key2 = listen(eventTargets[0], EventType.A, listeners[1]);252 if (keyType == goog.events.eventTargetTester.KeyType.NUMBER) {253 assertNotEquals(key1, key2);254 } else {255 assertUndefined(key1);256 assertUndefined(key2);257 }258 dispatchEvent(eventTargets[0], EventType.A);259 assertListenerIsCalled(listeners[0], times(1));260 assertListenerIsCalled(listeners[1], times(1));261 assertNoOtherListenerIsCalled();262}263function testInstallingSameListeners() {264 var key1 = listen(eventTargets[0], EventType.A, listeners[0]);265 var key2 = listen(eventTargets[0], EventType.A, listeners[0]);266 var key3 = listen(eventTargets[0], EventType.B, listeners[0]);267 if (keyType == goog.events.eventTargetTester.KeyType.NUMBER) {268 assertEquals(key1, key2);269 assertNotEquals(key1, key3);270 } else {271 assertUndefined(key1);272 assertUndefined(key2);273 assertUndefined(key3);274 }275 dispatchEvent(eventTargets[0], EventType.A);276 assertListenerIsCalled(listeners[0], times(1));277 dispatchEvent(eventTargets[0], EventType.B);278 assertListenerIsCalled(listeners[0], times(2));279 assertNoOtherListenerIsCalled();280}281function testScope() {282 listeners[0] = createListener(function(e) {283 assertEquals('Wrong scope with undefined scope', eventTargets[0], this);284 });285 listeners[1] = createListener(function(e) {286 assertEquals('Wrong scope with null scope', eventTargets[0], this);287 });288 var scope = {};289 listeners[2] = createListener(function(e) {290 assertEquals('Wrong scope with specific scope object', scope, this);291 });292 listen(eventTargets[0], EventType.A, listeners[0]);293 listen(eventTargets[0], EventType.A, listeners[1], false, null);294 listen(eventTargets[0], EventType.A, listeners[2], false, scope);295 dispatchEvent(eventTargets[0], EventType.A);296 assertListenerIsCalled(listeners[0], times(1));297 assertListenerIsCalled(listeners[1], times(1));298 assertListenerIsCalled(listeners[2], times(1));299}300function testDispatchEventDoesNotThrowWithDisposedEventTarget() {301 goog.dispose(eventTargets[0]);302 assertTrue(dispatchEvent(eventTargets[0], EventType.A));303}304function testDispatchEventWithObjectLiteral() {305 listen(eventTargets[0], EventType.A, listeners[0]);306 assertTrue(dispatchEvent(eventTargets[0], {type: EventType.A}));307 assertListenerIsCalled(listeners[0], times(1));308 assertNoOtherListenerIsCalled();309}310function testDispatchEventWithCustomEventObject() {311 listen(eventTargets[0], EventType.A, listeners[0]);312 var e = new TestEvent();313 assertTrue(dispatchEvent(eventTargets[0], e));314 assertListenerIsCalled(listeners[0], times(1));315 assertNoOtherListenerIsCalled();316 var actualEvent = listeners[0].getLastCall().getArgument(0);317 assertEquals(e, actualEvent);318 assertEquals(eventTargets[0], actualEvent.target);319}320function testDisposingEventTargetRemovesListeners() {321 if (!(listenableFactory() instanceof goog.events.EventTarget)) {322 return;323 }324 listen(eventTargets[0], EventType.A, listeners[0]);325 goog.dispose(eventTargets[0]);326 dispatchEvent(eventTargets[0], EventType.A);327 assertNoOtherListenerIsCalled();328}329/**330 * Unlisten/unlistenByKey should still work after disposal. There are331 * many circumstances when this is actually necessary. For example, a332 * user may have listened to an event target and stored the key333 * (e.g. in a goog.events.EventHandler) and only unlisten after the334 * target has been disposed.335 */336function testUnlistenWorksAfterDisposal() {337 var key = listen(eventTargets[0], EventType.A, listeners[0]);338 goog.dispose(eventTargets[0]);339 unlisten(eventTargets[0], EventType.A, listeners[1]);340 if (unlistenByKey) {341 unlistenByKey(eventTargets[0], key);342 }343}344function testRemovingListener() {345 var ret1 = unlisten(eventTargets[0], EventType.A, listeners[0]);346 listen(eventTargets[0], EventType.A, listeners[0]);347 var ret2 = unlisten(eventTargets[0], EventType.A, listeners[1]);348 var ret3 = unlisten(eventTargets[0], EventType.B, listeners[0]);349 var ret4 = unlisten(eventTargets[1], EventType.A, listeners[0]);350 dispatchEvent(eventTargets[0], EventType.A);351 assertListenerIsCalled(listeners[0], times(1));352 var ret5 = unlisten(eventTargets[0], EventType.A, listeners[0]);353 var ret6 = unlisten(eventTargets[0], EventType.A, listeners[0]);354 dispatchEvent(eventTargets[0], EventType.A);355 assertListenerIsCalled(listeners[0], times(1));356 assertNoOtherListenerIsCalled();357 if (unlistenReturnType ==358 goog.events.eventTargetTester.UnlistenReturnType.BOOLEAN) {359 assertFalse(ret1);360 assertFalse(ret2);361 assertFalse(ret3);362 assertFalse(ret4);363 assertTrue(ret5);364 assertFalse(ret6);365 } else {366 assertUndefined(ret1);367 assertUndefined(ret2);368 assertUndefined(ret3);369 assertUndefined(ret4);370 assertUndefined(ret5);371 assertUndefined(ret6);372 }373}374function testCapture() {375 eventTargets[0].setParentEventTarget(eventTargets[1]);376 eventTargets[1].setParentEventTarget(eventTargets[2]);377 eventTargets[9].setParentEventTarget(eventTargets[0]);378 var ordering = 0;379 listeners[0] = createListener(380 function(e) {381 assertEquals(eventTargets[2], e.currentTarget);382 assertEquals(eventTargets[0], e.target);383 assertEquals('First capture listener is not called first', 0, ordering);384 ordering++;385 });386 listeners[1] = createListener(387 function(e) {388 assertEquals(eventTargets[1], e.currentTarget);389 assertEquals(eventTargets[0], e.target);390 assertEquals('2nd capture listener is not called 2nd', 1, ordering);391 ordering++;392 });393 listeners[2] = createListener(394 function(e) {395 assertEquals(eventTargets[0], e.currentTarget);396 assertEquals(eventTargets[0], e.target);397 assertEquals('3rd capture listener is not called 3rd', 2, ordering);398 ordering++;399 });400 listen(eventTargets[2], EventType.A, listeners[0], true);401 listen(eventTargets[1], EventType.A, listeners[1], true);402 listen(eventTargets[0], EventType.A, listeners[2], true);403 // These should not be called.404 listen(eventTargets[3], EventType.A, listeners[3], true);405 listen(eventTargets[0], EventType.B, listeners[4], true);406 listen(eventTargets[0], EventType.C, listeners[5], true);407 listen(eventTargets[1], EventType.B, listeners[6], true);408 listen(eventTargets[1], EventType.C, listeners[7], true);409 listen(eventTargets[2], EventType.B, listeners[8], true);410 listen(eventTargets[2], EventType.C, listeners[9], true);411 dispatchEvent(eventTargets[0], EventType.A);412 assertListenerIsCalled(listeners[0], times(1));413 assertListenerIsCalled(listeners[1], times(1));414 assertListenerIsCalled(listeners[2], times(1));415 assertNoOtherListenerIsCalled();416}417function testBubble() {418 eventTargets[0].setParentEventTarget(eventTargets[1]);419 eventTargets[1].setParentEventTarget(eventTargets[2]);420 eventTargets[9].setParentEventTarget(eventTargets[0]);421 var ordering = 0;422 listeners[0] = createListener(423 function(e) {424 assertEquals(eventTargets[0], e.currentTarget);425 assertEquals(eventTargets[0], e.target);426 assertEquals('First bubble listener is not called first', 0, ordering);427 ordering++;428 });429 listeners[1] = createListener(430 function(e) {431 assertEquals(eventTargets[1], e.currentTarget);432 assertEquals(eventTargets[0], e.target);433 assertEquals('2nd bubble listener is not called 2nd', 1, ordering);434 ordering++;435 });436 listeners[2] = createListener(437 function(e) {438 assertEquals(eventTargets[2], e.currentTarget);439 assertEquals(eventTargets[0], e.target);440 assertEquals('3rd bubble listener is not called 3rd', 2, ordering);441 ordering++;442 });443 listen(eventTargets[0], EventType.A, listeners[0]);444 listen(eventTargets[1], EventType.A, listeners[1]);445 listen(eventTargets[2], EventType.A, listeners[2]);446 // These should not be called.447 listen(eventTargets[3], EventType.A, listeners[3]);448 listen(eventTargets[0], EventType.B, listeners[4]);449 listen(eventTargets[0], EventType.C, listeners[5]);450 listen(eventTargets[1], EventType.B, listeners[6]);451 listen(eventTargets[1], EventType.C, listeners[7]);452 listen(eventTargets[2], EventType.B, listeners[8]);453 listen(eventTargets[2], EventType.C, listeners[9]);454 dispatchEvent(eventTargets[0], EventType.A);455 assertListenerIsCalled(listeners[0], times(1));456 assertListenerIsCalled(listeners[1], times(1));457 assertListenerIsCalled(listeners[2], times(1));458 assertNoOtherListenerIsCalled();459}460function testCaptureAndBubble() {461 eventTargets[0].setParentEventTarget(eventTargets[1]);462 eventTargets[1].setParentEventTarget(eventTargets[2]);463 listen(eventTargets[0], EventType.A, listeners[0], true);464 listen(eventTargets[1], EventType.A, listeners[1], true);465 listen(eventTargets[2], EventType.A, listeners[2], true);466 listen(eventTargets[0], EventType.A, listeners[3]);467 listen(eventTargets[1], EventType.A, listeners[4]);468 listen(eventTargets[2], EventType.A, listeners[5]);469 dispatchEvent(eventTargets[0], EventType.A);470 assertListenerIsCalled(listeners[0], times(1));471 assertListenerIsCalled(listeners[1], times(1));472 assertListenerIsCalled(listeners[2], times(1));473 assertListenerIsCalled(listeners[3], times(1));474 assertListenerIsCalled(listeners[4], times(1));475 assertListenerIsCalled(listeners[5], times(1));476 assertNoOtherListenerIsCalled();477}478function testPreventDefaultByReturningFalse() {479 listeners[0] = createListener(function(e) { return false; });480 listeners[1] = createListener(function(e) { return true; });481 listen(eventTargets[0], EventType.A, listeners[0]);482 listen(eventTargets[0], EventType.A, listeners[1]);483 var result = dispatchEvent(eventTargets[0], EventType.A);484 assertFalse(result);485}486function testPreventDefault() {487 listeners[0] = createListener(function(e) { e.preventDefault(); });488 listeners[1] = createListener(function(e) { return true; });489 listen(eventTargets[0], EventType.A, listeners[0]);490 listen(eventTargets[0], EventType.A, listeners[1]);491 var result = dispatchEvent(eventTargets[0], EventType.A);492 assertFalse(result);493}494function testPreventDefaultAtCapture() {495 listeners[0] = createListener(function(e) { e.preventDefault(); });496 listeners[1] = createListener(function(e) { return true; });497 listen(eventTargets[0], EventType.A, listeners[0], true);498 listen(eventTargets[0], EventType.A, listeners[1], true);499 var result = dispatchEvent(eventTargets[0], EventType.A);500 assertFalse(result);501}502function testStopPropagation() {503 eventTargets[0].setParentEventTarget(eventTargets[1]);504 eventTargets[1].setParentEventTarget(eventTargets[2]);505 listeners[0] = createListener(function(e) { e.stopPropagation(); });506 listen(eventTargets[0], EventType.A, listeners[0]);507 listen(eventTargets[0], EventType.A, listeners[1]);508 listen(eventTargets[1], EventType.A, listeners[2]);509 listen(eventTargets[2], EventType.A, listeners[3]);510 dispatchEvent(eventTargets[0], EventType.A);511 assertListenerIsCalled(listeners[0], times(1));512 assertListenerIsCalled(listeners[1], times(1));513 assertNoOtherListenerIsCalled();514}515function testStopPropagation2() {516 eventTargets[0].setParentEventTarget(eventTargets[1]);517 eventTargets[1].setParentEventTarget(eventTargets[2]);518 listeners[1] = createListener(function(e) { e.stopPropagation(); });519 listen(eventTargets[0], EventType.A, listeners[0]);520 listen(eventTargets[0], EventType.A, listeners[1]);521 listen(eventTargets[1], EventType.A, listeners[2]);522 listen(eventTargets[2], EventType.A, listeners[3]);523 dispatchEvent(eventTargets[0], EventType.A);524 assertListenerIsCalled(listeners[0], times(1));525 assertListenerIsCalled(listeners[1], times(1));526 assertNoOtherListenerIsCalled();527}528function testStopPropagation3() {529 eventTargets[0].setParentEventTarget(eventTargets[1]);530 eventTargets[1].setParentEventTarget(eventTargets[2]);531 listeners[2] = createListener(function(e) { e.stopPropagation(); });532 listen(eventTargets[0], EventType.A, listeners[0]);533 listen(eventTargets[0], EventType.A, listeners[1]);534 listen(eventTargets[1], EventType.A, listeners[2]);535 listen(eventTargets[2], EventType.A, listeners[3]);536 dispatchEvent(eventTargets[0], EventType.A);537 assertListenerIsCalled(listeners[0], times(1));538 assertListenerIsCalled(listeners[1], times(1));539 assertListenerIsCalled(listeners[2], times(1));540 assertNoOtherListenerIsCalled();541}542function testStopPropagationAtCapture() {543 eventTargets[0].setParentEventTarget(eventTargets[1]);544 eventTargets[1].setParentEventTarget(eventTargets[2]);545 listeners[0] = createListener(function(e) { e.stopPropagation(); });546 listen(eventTargets[2], EventType.A, listeners[0], true);547 listen(eventTargets[1], EventType.A, listeners[1], true);548 listen(eventTargets[0], EventType.A, listeners[2], true);549 listen(eventTargets[0], EventType.A, listeners[3]);550 listen(eventTargets[1], EventType.A, listeners[4]);551 listen(eventTargets[2], EventType.A, listeners[5]);552 dispatchEvent(eventTargets[0], EventType.A);553 assertListenerIsCalled(listeners[0], times(1));554 assertNoOtherListenerIsCalled();555}556function testHandleEvent() {557 if (!objectTypeListenerSupported) {558 return;559 }560 var obj = {};561 obj.handleEvent = goog.testing.recordFunction();562 listen(eventTargets[0], EventType.A, obj);563 dispatchEvent(eventTargets[0], EventType.A);564 assertEquals(1, obj.handleEvent.getCallCount());565}566function testListenOnce() {567 if (!listenOnce) {568 return;569 }570 listenOnce(eventTargets[0], EventType.A, listeners[0], true);571 listenOnce(eventTargets[0], EventType.A, listeners[1]);572 listenOnce(eventTargets[0], EventType.B, listeners[2]);573 dispatchEvent(eventTargets[0], EventType.A);574 assertListenerIsCalled(listeners[0], times(1));575 assertListenerIsCalled(listeners[1], times(1));576 assertListenerIsCalled(listeners[2], times(0));577 assertNoOtherListenerIsCalled();578 resetListeners();579 dispatchEvent(eventTargets[0], EventType.A);580 assertListenerIsCalled(listeners[0], times(0));581 assertListenerIsCalled(listeners[1], times(0));582 assertListenerIsCalled(listeners[2], times(0));583 dispatchEvent(eventTargets[0], EventType.B);584 assertListenerIsCalled(listeners[2], times(1));585 assertNoOtherListenerIsCalled();586}587function testUnlistenInListen() {588 listeners[1] = createListener(589 function(e) {590 unlisten(eventTargets[0], EventType.A, listeners[1]);591 unlisten(eventTargets[0], EventType.A, listeners[2]);592 });593 listen(eventTargets[0], EventType.A, listeners[0]);594 listen(eventTargets[0], EventType.A, listeners[1]);595 listen(eventTargets[0], EventType.A, listeners[2]);596 listen(eventTargets[0], EventType.A, listeners[3]);597 dispatchEvent(eventTargets[0], EventType.A);598 assertListenerIsCalled(listeners[0], times(1));599 assertListenerIsCalled(listeners[1], times(1));600 assertListenerIsCalled(listeners[2], times(0));601 assertListenerIsCalled(listeners[3], times(1));602 assertNoOtherListenerIsCalled();603 resetListeners();604 dispatchEvent(eventTargets[0], EventType.A);605 assertListenerIsCalled(listeners[0], times(1));606 assertListenerIsCalled(listeners[1], times(0));607 assertListenerIsCalled(listeners[2], times(0));608 assertListenerIsCalled(listeners[3], times(1));609 assertNoOtherListenerIsCalled();610}611function testUnlistenByKeyInListen() {612 if (!unlistenByKey) {613 return;614 }615 var key1, key2;616 listeners[1] = createListener(617 function(e) {618 unlistenByKey(eventTargets[0], key1);619 unlistenByKey(eventTargets[0], key2);620 });621 listen(eventTargets[0], EventType.A, listeners[0]);622 key1 = listen(eventTargets[0], EventType.A, listeners[1]);623 key2 = listen(eventTargets[0], EventType.A, listeners[2]);624 listen(eventTargets[0], EventType.A, listeners[3]);625 dispatchEvent(eventTargets[0], EventType.A);626 assertListenerIsCalled(listeners[0], times(1));627 assertListenerIsCalled(listeners[1], times(1));628 assertListenerIsCalled(listeners[2], times(0));629 assertListenerIsCalled(listeners[3], times(1));630 assertNoOtherListenerIsCalled();631 resetListeners();632 dispatchEvent(eventTargets[0], EventType.A);633 assertListenerIsCalled(listeners[0], times(1));634 assertListenerIsCalled(listeners[1], times(0));635 assertListenerIsCalled(listeners[2], times(0));636 assertListenerIsCalled(listeners[3], times(1));637 assertNoOtherListenerIsCalled();638}639function testSetParentEventTarget() {640 assertNull(eventTargets[0].getParentEventTarget());641 eventTargets[0].setParentEventTarget(eventTargets[1]);642 assertEquals(eventTargets[1], eventTargets[0].getParentEventTarget());643 assertNull(eventTargets[1].getParentEventTarget());644 eventTargets[0].setParentEventTarget(null);645 assertNull(eventTargets[0].getParentEventTarget());646}647function testListenOnceAfterListenDoesNotChangeExistingListener() {648 if (!listenOnce) {649 return;650 }651 listen(eventTargets[0], EventType.A, listeners[0]);652 listenOnce(eventTargets[0], EventType.A, listeners[0]);653 dispatchEvent(eventTargets[0], EventType.A);654 dispatchEvent(eventTargets[0], EventType.A);655 dispatchEvent(eventTargets[0], EventType.A);656 assertListenerIsCalled(listeners[0], times(3));657 assertNoOtherListenerIsCalled();658}659function testListenOnceAfterListenOnceDoesNotChangeExistingListener() {660 if (!listenOnce) {661 return;662 }663 listenOnce(eventTargets[0], EventType.A, listeners[0]);664 listenOnce(eventTargets[0], EventType.A, listeners[0]);665 dispatchEvent(eventTargets[0], EventType.A);666 dispatchEvent(eventTargets[0], EventType.A);667 dispatchEvent(eventTargets[0], EventType.A);668 assertListenerIsCalled(listeners[0], times(1));669 assertNoOtherListenerIsCalled();670}671function testListenAfterListenOnceRemoveOnceness() {672 if (!listenOnce) {673 return;674 }675 listenOnce(eventTargets[0], EventType.A, listeners[0]);676 listen(eventTargets[0], EventType.A, listeners[0]);677 dispatchEvent(eventTargets[0], EventType.A);678 dispatchEvent(eventTargets[0], EventType.A);679 dispatchEvent(eventTargets[0], EventType.A);680 assertListenerIsCalled(listeners[0], times(3));681 assertNoOtherListenerIsCalled();682}683function testUnlistenAfterListenOnce() {684 if (!listenOnce) {685 return;686 }687 listenOnce(eventTargets[0], EventType.A, listeners[0]);688 unlisten(eventTargets[0], EventType.A, listeners[0]);689 dispatchEvent(eventTargets[0], EventType.A);690 listen(eventTargets[0], EventType.A, listeners[0]);691 listenOnce(eventTargets[0], EventType.A, listeners[0]);692 unlisten(eventTargets[0], EventType.A, listeners[0]);693 dispatchEvent(eventTargets[0], EventType.A);694 listenOnce(eventTargets[0], EventType.A, listeners[0]);695 listen(eventTargets[0], EventType.A, listeners[0]);696 unlisten(eventTargets[0], EventType.A, listeners[0]);697 dispatchEvent(eventTargets[0], EventType.A);698 listenOnce(eventTargets[0], EventType.A, listeners[0]);699 listenOnce(eventTargets[0], EventType.A, listeners[0]);700 unlisten(eventTargets[0], EventType.A, listeners[0]);701 dispatchEvent(eventTargets[0], EventType.A);702 assertNoOtherListenerIsCalled();703}704function testRemoveAllWithType() {705 if (!removeAll) {706 return;707 }708 listen(eventTargets[0], EventType.A, listeners[0], true);709 listen(eventTargets[0], EventType.A, listeners[1]);710 listen(eventTargets[0], EventType.C, listeners[2], true);711 listen(eventTargets[0], EventType.C, listeners[3]);712 listen(eventTargets[0], EventType.B, listeners[4], true);713 listen(eventTargets[0], EventType.B, listeners[5], true);714 listen(eventTargets[0], EventType.B, listeners[6]);715 listen(eventTargets[0], EventType.B, listeners[7]);716 assertEquals(4, removeAll(eventTargets[0], EventType.B));717 dispatchEvent(eventTargets[0], EventType.A);718 dispatchEvent(eventTargets[0], EventType.B);719 dispatchEvent(eventTargets[0], EventType.C);720 assertListenerIsCalled(listeners[0], times(1));721 assertListenerIsCalled(listeners[1], times(1));722 assertListenerIsCalled(listeners[2], times(1));723 assertListenerIsCalled(listeners[3], times(1));724 assertNoOtherListenerIsCalled();725}726function testRemoveAll() {727 if (!removeAll) {728 return;729 }730 listen(eventTargets[0], EventType.A, listeners[0], true);731 listen(eventTargets[0], EventType.A, listeners[1]);732 listen(eventTargets[0], EventType.C, listeners[2], true);733 listen(eventTargets[0], EventType.C, listeners[3]);734 listen(eventTargets[0], EventType.B, listeners[4], true);735 listen(eventTargets[0], EventType.B, listeners[5], true);736 listen(eventTargets[0], EventType.B, listeners[6]);737 listen(eventTargets[0], EventType.B, listeners[7]);738 assertEquals(8, removeAll(eventTargets[0]));739 dispatchEvent(eventTargets[0], EventType.A);740 dispatchEvent(eventTargets[0], EventType.B);741 dispatchEvent(eventTargets[0], EventType.C);742 assertNoOtherListenerIsCalled();743}744function testRemoveAllCallsMarkAsRemoved() {745 if (!removeAll) {746 return;747 }748 var key0 = listen(eventTargets[0], EventType.A, listeners[0]);749 var key1 = listen(eventTargets[1], EventType.A, listeners[1]);750 assertNotNullNorUndefined(key0.listener);751 assertFalse(key0.removed);752 assertNotNullNorUndefined(key1.listener);753 assertFalse(key1.removed);754 assertEquals(1, removeAll(eventTargets[0]));755 assertNull(key0.listener);756 assertTrue(key0.removed);757 assertNotNullNorUndefined(key1.listener);758 assertFalse(key1.removed);759 assertEquals(1, removeAll(eventTargets[1]));760 assertNull(key1.listener);761 assertTrue(key1.removed);762}763function testGetListeners() {764 if (!getListeners) {765 return;766 }767 listen(eventTargets[0], EventType.A, listeners[0], true);768 listen(eventTargets[0], EventType.A, listeners[1], true);769 listen(eventTargets[0], EventType.A, listeners[2]);770 listen(eventTargets[0], EventType.A, listeners[3]);771 var l = getListeners(eventTargets[0], EventType.A, true);772 assertEquals(2, l.length);773 assertEquals(listeners[0], l[0].listener);774 assertEquals(listeners[1], l[1].listener);775 l = getListeners(eventTargets[0], EventType.A, false);776 assertEquals(2, l.length);777 assertEquals(listeners[2], l[0].listener);778 assertEquals(listeners[3], l[1].listener);779 l = getListeners(eventTargets[0], EventType.B, true);780 assertEquals(0, l.length);781}782function testGetListener() {783 if (!getListener) {784 return;785 }786 listen(eventTargets[0], EventType.A, listeners[0], true);787 assertNotNull(getListener(eventTargets[0], EventType.A, listeners[0], true));788 assertNull(789 getListener(eventTargets[0], EventType.A, listeners[0], true, {}));790 assertNull(getListener(eventTargets[1], EventType.A, listeners[0], true));791 assertNull(getListener(eventTargets[0], EventType.B, listeners[0], true));792 assertNull(getListener(eventTargets[0], EventType.A, listeners[1], true));793}794function testHasListener() {795 if (!hasListener) {796 return;797 }798 assertFalse(hasListener(eventTargets[0]));799 listen(eventTargets[0], EventType.A, listeners[0], true);800 assertTrue(hasListener(eventTargets[0]));801 assertTrue(hasListener(eventTargets[0], EventType.A));802 assertTrue(hasListener(eventTargets[0], EventType.A, true));803 assertTrue(hasListener(eventTargets[0], undefined, true));804 assertFalse(hasListener(eventTargets[0], EventType.A, false));805 assertFalse(hasListener(eventTargets[0], undefined, false));806 assertFalse(hasListener(eventTargets[0], EventType.B));807 assertFalse(hasListener(eventTargets[0], EventType.B, true));808 assertFalse(hasListener(eventTargets[1]));809}810function testFiringEventBeforeDisposeInternalWorks() {811 /**812 * @extends {goog.events.EventTarget}813 * @constructor814 */815 var MockTarget = function() {816 goog.base(this);817 };818 goog.inherits(MockTarget, goog.events.EventTarget);819 MockTarget.prototype.disposeInternal = function() {820 dispatchEvent(this, EventType.A);821 goog.base(this, 'disposeInternal');822 };823 var t = new MockTarget();824 try {825 listen(t, EventType.A, listeners[0]);826 t.dispose();827 assertListenerIsCalled(listeners[0], times(1));828 } catch (e) {829 goog.dispose(t);830 }831}832function testLoopDetection() {833 var target = listenableFactory();834 target.setParentEventTarget(target);835 try {836 target.dispatchEvent('string');837 fail('expected error');838 } catch (e) {839 assertContains('infinite', e.message);840 }...
PseudoEvents.js
Source:PseudoEvents.js
1/*!2 * ${copyright}3 */4sap.ui.define(['sap/ui/events/KeyCodes', 'sap/ui/thirdparty/jquery'], function(KeyCodes, jQuery) {5 "use strict";6 /**7 * @namespace8 * @since 1.589 * @alias module:sap/ui/events/PseudoEvents10 * @public11 */12 var PseudoEvents = {};13 /**14 * Convenience method to check an event for a certain combination of modifier keys15 *16 * @private17 */18 function checkModifierKeys(oEvent, bCtrlKey, bAltKey, bShiftKey) {19 return oEvent.shiftKey == bShiftKey && oEvent.altKey == bAltKey && getCtrlKey(oEvent) == bCtrlKey;20 }21 /**22 * Convenience method to check an event for any modifier key23 *24 * @private25 */26 function hasModifierKeys(oEvent) {27 return oEvent.shiftKey || oEvent.altKey || getCtrlKey(oEvent);28 }29 /**30 * Convenience method for handling of Ctrl key, meta key etc.31 *32 * @private33 */34 function getCtrlKey(oEvent) {35 return !!(oEvent.metaKey || oEvent.ctrlKey); // double negation doesn't have effect on boolean but ensures null and undefined are equivalent to false.36 }37 /**38 * Enumeration of all so called "pseudo events", a useful classification39 * of standard browser events as implied by SAP product standards.40 *41 * Whenever a browser event is recognized as one or more pseudo events, then this42 * classification is attached to the original {@link jQuery.Event} object and thereby43 * delivered to any jQuery-style listeners registered for that browser event.44 *45 * Pure JavaScript listeners can evaluate the classification information using46 * the {@link module:sap/ui/events/jquery/EventExtension#isPseudoType} method.47 *48 * Instead of using the procedure as described above, the SAPUI5 controls and elements49 * should simply implement an <code>on<i>pseudo-event</i>(oEvent)</code> method. It will50 * be invoked only when that specific pseudo event has been recognized. This simplifies event51 * dispatching even further.52 *53 * @enum {object}54 * @public55 */56 PseudoEvents.events = { // IMPORTANT: update the public documentation when extending this list57 /* Pseudo keyboard events */58 /**59 * Pseudo event for keyboard arrow down without modifiers (Ctrl, Alt or Shift)60 * @public61 */62 sapdown: {63 sName: "sapdown",64 aTypes: ["keydown"],65 fnCheck: function(oEvent) {66 return (oEvent.key ? (oEvent.key === "ArrowDown" || oEvent.key === "Down") : oEvent.keyCode == KeyCodes.ARROW_DOWN) && !hasModifierKeys(oEvent);67 }68 },69 /**70 * Pseudo event for keyboard arrow down with modifiers (Ctrl, Alt or Shift)71 * @public72 */73 sapdownmodifiers: {74 sName: "sapdownmodifiers",75 aTypes: ["keydown"],76 fnCheck: function(oEvent) {77 return (oEvent.key ? (oEvent.key === "ArrowDown" || oEvent.key === "Down") : oEvent.keyCode == KeyCodes.ARROW_DOWN) && hasModifierKeys(oEvent);78 }79 },80 /**81 * Pseudo event for pseudo 'show' event (F4, Alt + down-Arrow)82 * @public83 */84 sapshow: {85 sName: "sapshow",86 aTypes: ["keydown"],87 fnCheck: function(oEvent) {88 if (oEvent.key) {89 return (oEvent.key === "F4" && !hasModifierKeys(oEvent)) ||90 ((oEvent.key === "ArrowDown" || oEvent.key === "Down") && checkModifierKeys(oEvent, /*Ctrl*/ false, /*Alt*/ true, /*Shift*/ false));91 }92 return (oEvent.keyCode == KeyCodes.F4 && !hasModifierKeys(oEvent)) ||93 (oEvent.keyCode == KeyCodes.ARROW_DOWN && checkModifierKeys(oEvent, /*Ctrl*/ false, /*Alt*/ true, /*Shift*/ false));94 }95 },96 /**97 * Pseudo event for keyboard arrow up without modifiers (Ctrl, Alt or Shift)98 * @public99 */100 sapup: {101 sName: "sapup",102 aTypes: ["keydown"],103 fnCheck: function(oEvent) {104 return (oEvent.key ? (oEvent.key === "ArrowUp" || oEvent.key === "Up") : oEvent.keyCode == KeyCodes.ARROW_UP) && !hasModifierKeys(oEvent);105 }106 },107 /**108 * Pseudo event for keyboard arrow up with modifiers (Ctrl, Alt or Shift)109 * @public110 */111 sapupmodifiers: {112 sName: "sapupmodifiers",113 aTypes: ["keydown"],114 fnCheck: function(oEvent) {115 return (oEvent.key ? (oEvent.key === "ArrowUp" || oEvent.key === "Up") : oEvent.keyCode == KeyCodes.ARROW_UP) && hasModifierKeys(oEvent);116 }117 },118 /**119 * Pseudo event for pseudo 'hide' event (Alt + up-Arrow)120 * @public121 */122 saphide: {123 sName: "saphide",124 aTypes: ["keydown"],125 fnCheck: function(oEvent) {126 return (oEvent.key ? (oEvent.key === "ArrowUp" || oEvent.key === "Up") : oEvent.keyCode == KeyCodes.ARROW_UP) && checkModifierKeys(oEvent, /*Ctrl*/ false, /*Alt*/ true, /*Shift*/ false);127 }128 },129 /**130 * Pseudo event for keyboard arrow left without modifiers (Ctrl, Alt or Shift)131 * @public132 */133 sapleft: {134 sName: "sapleft",135 aTypes: ["keydown"],136 fnCheck: function(oEvent) {137 return (oEvent.key ? (oEvent.key === "ArrowLeft" || oEvent.key === "Left") : oEvent.keyCode == KeyCodes.ARROW_LEFT) && !hasModifierKeys(oEvent);138 }139 },140 /**141 * Pseudo event for keyboard arrow left with modifiers (Ctrl, Alt or Shift)142 * @public143 */144 sapleftmodifiers: {145 sName: "sapleftmodifiers",146 aTypes: ["keydown"],147 fnCheck: function(oEvent) {148 return (oEvent.key ? (oEvent.key === "ArrowLeft" || oEvent.key === "Left") : oEvent.keyCode == KeyCodes.ARROW_LEFT) && hasModifierKeys(oEvent);149 }150 },151 /**152 * Pseudo event for keyboard arrow right without modifiers (Ctrl, Alt or Shift)153 * @public154 */155 sapright: {156 sName: "sapright",157 aTypes: ["keydown"],158 fnCheck: function(oEvent) {159 return (oEvent.key ? (oEvent.key === "ArrowRight" || oEvent.key === "Right") : oEvent.keyCode == KeyCodes.ARROW_RIGHT) && !hasModifierKeys(oEvent);160 }161 },162 /**163 * Pseudo event for keyboard arrow right with modifiers (Ctrl, Alt or Shift)164 * @public165 */166 saprightmodifiers: {167 sName: "saprightmodifiers",168 aTypes: ["keydown"],169 fnCheck: function(oEvent) {170 return (oEvent.key ? (oEvent.key === "ArrowRight" || oEvent.key === "Right") : oEvent.keyCode == KeyCodes.ARROW_RIGHT) && hasModifierKeys(oEvent);171 }172 },173 /**174 * Pseudo event for keyboard Home/Pos1 with modifiers (Ctrl, Alt or Shift)175 * @public176 */177 saphome: {178 sName: "saphome",179 aTypes: ["keydown"],180 fnCheck: function(oEvent) {181 return (oEvent.key ? oEvent.key === "Home" : oEvent.keyCode == KeyCodes.HOME) && !hasModifierKeys(oEvent);182 }183 },184 /**185 * Pseudo event for keyboard Home/Pos1 without modifiers (Ctrl, Alt or Shift)186 * @public187 */188 saphomemodifiers: {189 sName: "saphomemodifiers",190 aTypes: ["keydown"],191 fnCheck: function(oEvent) {192 return (oEvent.key ? oEvent.key === "Home" : oEvent.keyCode == KeyCodes.HOME) && hasModifierKeys(oEvent);193 }194 },195 /**196 * Pseudo event for pseudo top event197 * @public198 */199 saptop: {200 sName: "saptop",201 aTypes: ["keydown"],202 fnCheck: function(oEvent) {203 return (oEvent.key ? oEvent.key === "Home" : oEvent.keyCode == KeyCodes.HOME) && checkModifierKeys(oEvent, /*Ctrl*/ true, /*Alt*/ false, /*Shift*/ false);204 }205 },206 /**207 * Pseudo event for keyboard End without modifiers (Ctrl, Alt or Shift)208 * @public209 */210 sapend: {211 sName: "sapend",212 aTypes: ["keydown"],213 fnCheck: function(oEvent) {214 return (oEvent.key ? oEvent.key === "End" : oEvent.keyCode == KeyCodes.END) && !hasModifierKeys(oEvent);215 }216 },217 /**218 * Pseudo event for keyboard End with modifiers (Ctrl, Alt or Shift)219 * @public220 */221 sapendmodifiers: {222 sName: "sapendmodifiers",223 aTypes: ["keydown"],224 fnCheck: function(oEvent) {225 return (oEvent.key ? oEvent.key === "End" : oEvent.keyCode == KeyCodes.END) && hasModifierKeys(oEvent);226 }227 },228 /**229 * Pseudo event for pseudo bottom event230 * @public231 */232 sapbottom: {233 sName: "sapbottom",234 aTypes: ["keydown"],235 fnCheck: function(oEvent) {236 return (oEvent.key ? oEvent.key === "End" : oEvent.keyCode == KeyCodes.END) && checkModifierKeys(oEvent, /*Ctrl*/ true, /*Alt*/ false, /*Shift*/ false);237 }238 },239 /**240 * Pseudo event for keyboard page up without modifiers (Ctrl, Alt or Shift)241 * @public242 */243 sappageup: {244 sName: "sappageup",245 aTypes: ["keydown"],246 fnCheck: function(oEvent) {247 return (oEvent.key ? oEvent.key === "PageUp" : oEvent.keyCode == KeyCodes.PAGE_UP) && !hasModifierKeys(oEvent);248 }249 },250 /**251 * Pseudo event for keyboard page up with modifiers (Ctrl, Alt or Shift)252 * @public253 */254 sappageupmodifiers: {255 sName: "sappageupmodifiers",256 aTypes: ["keydown"],257 fnCheck: function(oEvent) {258 return (oEvent.key ? oEvent.key === "PageUp" : oEvent.keyCode == KeyCodes.PAGE_UP) && hasModifierKeys(oEvent);259 }260 },261 /**262 * Pseudo event for keyboard page down without modifiers (Ctrl, Alt or Shift)263 * @public264 */265 sappagedown: {266 sName: "sappagedown",267 aTypes: ["keydown"],268 fnCheck: function(oEvent) {269 return (oEvent.key ? oEvent.key === "PageDown" : oEvent.keyCode == KeyCodes.PAGE_DOWN) && !hasModifierKeys(oEvent);270 }271 },272 /**273 * Pseudo event for keyboard page down with modifiers (Ctrl, Alt or Shift)274 * @public275 */276 sappagedownmodifiers: {277 sName: "sappagedownmodifiers",278 aTypes: ["keydown"],279 fnCheck: function(oEvent) {280 return (oEvent.key ? oEvent.key === "PageDown" : oEvent.keyCode == KeyCodes.PAGE_DOWN) && hasModifierKeys(oEvent);281 }282 },283 /**284 * Pseudo event for pseudo 'select' event... space, enter, ... without modifiers (Ctrl, Alt or Shift)285 * @public286 */287 sapselect: {288 sName: "sapselect",289 aTypes: ["keydown"],290 fnCheck: function(oEvent) {291 if (oEvent.key) {292 // "Spacebar" is IE only293 return (oEvent.key === "Enter" || oEvent.key === "Spacebar" || oEvent.key === " ") && !hasModifierKeys(oEvent);294 }295 return (oEvent.keyCode == KeyCodes.ENTER || oEvent.keyCode == KeyCodes.SPACE) && !hasModifierKeys(oEvent);296 }297 },298 /**299 * Pseudo event for pseudo 'select' event... space, enter, ... with modifiers (Ctrl, Alt or Shift)300 * @public301 */302 sapselectmodifiers: {303 sName: "sapselectmodifiers",304 aTypes: ["keydown"],305 fnCheck: function(oEvent) {306 if (oEvent.key) {307 // "Spacebar" is IE only308 return (oEvent.key === "Enter" || oEvent.key === "Spacebar" || oEvent.key === " ") && hasModifierKeys(oEvent);309 }310 return (oEvent.keyCode == KeyCodes.ENTER || oEvent.keyCode == KeyCodes.SPACE) && hasModifierKeys(oEvent);311 }312 },313 /**314 * Pseudo event for keyboard space without modifiers (Ctrl, Alt or Shift)315 * @public316 */317 sapspace: {318 sName: "sapspace",319 aTypes: ["keydown"],320 fnCheck: function(oEvent) {321 // "Spacebar" is IE only322 return (oEvent.key ? (oEvent.key === "Spacebar" || oEvent.key === " ") : oEvent.keyCode == KeyCodes.SPACE) && !hasModifierKeys(oEvent);323 }324 },325 /**326 * Pseudo event for keyboard space with modifiers (Ctrl, Alt or Shift)327 * @public328 */329 sapspacemodifiers: {330 sName: "sapspacemodifiers",331 aTypes: ["keydown"],332 fnCheck: function(oEvent) {333 // "Spacebar" is IE only334 return (oEvent.key ? (oEvent.key === "Spacebar" || oEvent.key === " ") : oEvent.keyCode == KeyCodes.SPACE) && hasModifierKeys(oEvent);335 }336 },337 /**338 * Pseudo event for keyboard enter without modifiers (Ctrl, Alt or Shift)339 * @public340 */341 sapenter: {342 sName: "sapenter",343 aTypes: ["keydown"],344 fnCheck: function(oEvent) {345 return (oEvent.key ? oEvent.key === "Enter" : oEvent.keyCode == KeyCodes.ENTER) && !hasModifierKeys(oEvent);346 }347 },348 /**349 * Pseudo event for keyboard enter with modifiers (Ctrl, Alt or Shift)350 * @public351 */352 sapentermodifiers: {353 sName: "sapentermodifiers",354 aTypes: ["keydown"],355 fnCheck: function(oEvent) {356 return (oEvent.key ? oEvent.key === "Enter" : oEvent.keyCode == KeyCodes.ENTER) && hasModifierKeys(oEvent);357 }358 },359 /**360 * Pseudo event for keyboard backspace without modifiers (Ctrl, Alt or Shift)361 * @public362 */363 sapbackspace: {364 sName: "sapbackspace",365 aTypes: ["keydown"],366 fnCheck: function(oEvent) {367 return (oEvent.key ? oEvent.key === "Backspace" : oEvent.keyCode == KeyCodes.BACKSPACE) && !hasModifierKeys(oEvent);368 }369 },370 /**371 * Pseudo event for keyboard backspace with modifiers (Ctrl, Alt or Shift)372 * @public373 */374 sapbackspacemodifiers: {375 sName: "sapbackspacemodifiers",376 aTypes: ["keydown"],377 fnCheck: function(oEvent) {378 return (oEvent.key ? oEvent.key === "Backspace" : oEvent.keyCode == KeyCodes.BACKSPACE) && hasModifierKeys(oEvent);379 }380 },381 /**382 * Pseudo event for keyboard delete without modifiers (Ctrl, Alt or Shift)383 * @public384 */385 sapdelete: {386 sName: "sapdelete",387 aTypes: ["keydown"],388 fnCheck: function(oEvent) {389 // "Del" is IE only390 return (oEvent.key ? oEvent.key === "Delete" || oEvent.key === "Del" : oEvent.keyCode == KeyCodes.DELETE) && !hasModifierKeys(oEvent);391 }392 },393 /**394 * Pseudo event for keyboard delete with modifiers (Ctrl, Alt or Shift)395 * @public396 */397 sapdeletemodifiers: {398 sName: "sapdeletemodifiers",399 aTypes: ["keydown"],400 fnCheck: function(oEvent) {401 // "Del" is IE only402 return (oEvent.key ? oEvent.key === "Delete" || oEvent.key === "Del" : oEvent.keyCode == KeyCodes.DELETE) && hasModifierKeys(oEvent);403 }404 },405 /**406 * Pseudo event for pseudo expand event (keyboard numpad +) without modifiers (Ctrl, Alt or Shift)407 * @public408 */409 sapexpand: {410 sName: "sapexpand",411 aTypes: ["keydown"],412 fnCheck: function(oEvent) {413 return (oEvent.key ? (oEvent.key === "+" || oEvent.key === "Add") && oEvent.location === "NUMPAD" : oEvent.keyCode == KeyCodes.NUMPAD_PLUS) && !hasModifierKeys(oEvent);414 }415 },416 /**417 * Pseudo event for pseudo expand event (keyboard numpad +) with modifiers (Ctrl, Alt or Shift)418 * @public419 */420 sapexpandmodifiers: {421 sName: "sapexpandmodifiers",422 aTypes: ["keydown"],423 fnCheck: function(oEvent) {424 return (oEvent.key ? (oEvent.key === "+" || oEvent.key === "Add") && oEvent.location === "NUMPAD" : oEvent.keyCode == KeyCodes.NUMPAD_PLUS) && hasModifierKeys(oEvent);425 }426 },427 /**428 * Pseudo event for pseudo collapse event (keyboard numpad -) without modifiers (Ctrl, Alt or Shift)429 * @public430 */431 sapcollapse: {432 sName: "sapcollapse",433 aTypes: ["keydown"],434 fnCheck: function(oEvent) {435 return (oEvent.key ? (oEvent.key === "-" || oEvent.key === "Subtract") && oEvent.location === "NUMPAD" : oEvent.keyCode == KeyCodes.NUMPAD_MINUS) && !hasModifierKeys(oEvent);436 }437 },438 /**439 * Pseudo event for pseudo collapse event (keyboard numpad -) with modifiers (Ctrl, Alt or Shift)440 * @public441 */442 sapcollapsemodifiers: {443 sName: "sapcollapsemodifiers",444 aTypes: ["keydown"],445 fnCheck: function(oEvent) {446 return (oEvent.key ? (oEvent.key === "-" || oEvent.key === "Subtract") && oEvent.location === "NUMPAD" : oEvent.keyCode == KeyCodes.NUMPAD_MINUS) && hasModifierKeys(oEvent);447 }448 },449 /**450 * Pseudo event for pseudo collapse event (keyboard numpad *)451 * @public452 */453 sapcollapseall: {454 sName: "sapcollapseall",455 aTypes: ["keydown"],456 fnCheck: function(oEvent) {457 return (oEvent.key ? (oEvent.key === "*" || oEvent.key === "Multiply") && oEvent.location === "NUMPAD" : oEvent.keyCode == KeyCodes.NUMPAD_ASTERISK) && !hasModifierKeys(oEvent);458 }459 },460 /**461 * Pseudo event for keyboard escape462 * @public463 */464 sapescape: {465 sName: "sapescape",466 aTypes: ["keydown"],467 fnCheck: function(oEvent) {468 // "Esc" is IE only469 return (oEvent.key ? oEvent.key === "Escape" || oEvent.key === "Esc" : oEvent.keyCode == KeyCodes.ESCAPE) && !hasModifierKeys(oEvent);470 }471 },472 /**473 * Pseudo event for keyboard tab (TAB + no modifier)474 * @public475 */476 saptabnext: {477 sName: "saptabnext",478 aTypes: ["keydown"],479 fnCheck: function(oEvent) {480 return (oEvent.key ? oEvent.key === "Tab" : oEvent.keyCode == KeyCodes.TAB) && !hasModifierKeys(oEvent);481 }482 },483 /**484 * Pseudo event for keyboard tab (TAB + shift modifier)485 * @public486 */487 saptabprevious: {488 sName: "saptabprevious",489 aTypes: ["keydown"],490 fnCheck: function(oEvent) {491 return (oEvent.key ? oEvent.key === "Tab" : oEvent.keyCode == KeyCodes.TAB) && checkModifierKeys(oEvent, /*Ctrl*/ false, /*Alt*/ false, /*Shift*/ true);492 }493 },494 /**495 * Pseudo event for pseudo skip forward (F6 + no modifier)496 * @public497 */498 sapskipforward: {499 sName: "sapskipforward",500 aTypes: ["keydown"],501 fnCheck: function(oEvent) {502 return (oEvent.key ? oEvent.key === "F6" : oEvent.keyCode == KeyCodes.F6) && !hasModifierKeys(oEvent);503 }504 },505 /**506 * Pseudo event for pseudo skip back (F6 + shift modifier)507 * @public508 */509 sapskipback: {510 sName: "sapskipback",511 aTypes: ["keydown"],512 fnCheck: function(oEvent) {513 return (oEvent.key ? oEvent.key === "F6" : oEvent.keyCode == KeyCodes.F6) && checkModifierKeys(oEvent, /*Ctrl*/ false, /*Alt*/ false, /*Shift*/ true);514 }515 },516 //// contextmenu Shift-F10 hack517 //{sName: "sapcontextmenu", aTypes: ["keydown"], fnCheck: function(oEvent) {518 // return oEvent.key === "F10" && checkModifierKeys(oEvent, /*Ctrl*/false, /*Alt*/false, /*Shift*/true);519 //}},520 /**521 * Pseudo event for pseudo 'decrease' event without modifiers (Ctrl, Alt or Shift)522 * @public523 */524 sapdecrease: {525 sName: "sapdecrease",526 aTypes: ["keydown"],527 fnCheck: function(oEvent) {528 var bRtl = sap.ui.getCore().getConfiguration().getRTL();529 if (oEvent.key) {530 if (bRtl) {531 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && !hasModifierKeys(oEvent);532 } else {533 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && !hasModifierKeys(oEvent);534 }535 }536 var iPreviousKey = bRtl ? KeyCodes.ARROW_RIGHT : KeyCodes.ARROW_LEFT;537 return (oEvent.keyCode == iPreviousKey || oEvent.keyCode == KeyCodes.ARROW_DOWN) && !hasModifierKeys(oEvent);538 }539 },540 /**541 * Pseudo event for pressing the '-' (minus) sign.542 * @public543 */544 sapminus: {545 sName: "sapminus",546 aTypes: ["keypress"],547 fnCheck: function(oEvent) {548 return (oEvent.key ? (oEvent.key === '-' || oEvent.key === 'Subtract') : String.fromCharCode(oEvent.which) == '-');549 }550 },551 /**552 * Pseudo event for pseudo 'decrease' event with modifiers (Ctrl, Alt or Shift)553 * @public554 */555 sapdecreasemodifiers: {556 sName: "sapdecreasemodifiers",557 aTypes: ["keydown"],558 fnCheck: function(oEvent) {559 var bRtl = sap.ui.getCore().getConfiguration().getRTL();560 if (oEvent.key) {561 if (bRtl) {562 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && hasModifierKeys(oEvent);563 } else {564 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && hasModifierKeys(oEvent);565 }566 }567 var iPreviousKey = bRtl ? KeyCodes.ARROW_RIGHT : KeyCodes.ARROW_LEFT;568 return (oEvent.keyCode == iPreviousKey || oEvent.keyCode == KeyCodes.ARROW_DOWN) && hasModifierKeys(oEvent);569 }570 },571 /**572 * Pseudo event for pseudo 'increase' event without modifiers (Ctrl, Alt or Shift)573 * @public574 */575 sapincrease: {576 sName: "sapincrease",577 aTypes: ["keydown"],578 fnCheck: function(oEvent) {579 var bRtl = sap.ui.getCore().getConfiguration().getRTL();580 var iNextKey;581 if (oEvent.key) {582 if (bRtl) {583 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && !hasModifierKeys(oEvent);584 } else {585 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && !hasModifierKeys(oEvent);586 }587 }588 iNextKey = bRtl ? KeyCodes.ARROW_LEFT : KeyCodes.ARROW_RIGHT;589 return (oEvent.keyCode == iNextKey || oEvent.keyCode == KeyCodes.ARROW_UP) && !hasModifierKeys(oEvent);590 }591 },592 /**593 * Pseudo event for pressing the '+' (plus) sign.594 * @public595 */596 sapplus: {597 sName: "sapplus",598 aTypes: ["keypress"],599 fnCheck: function(oEvent) {600 return (oEvent.key ? (oEvent.key === '+' || oEvent.key === 'Add') : String.fromCharCode(oEvent.which) == '+');601 }602 },603 /**604 * Pseudo event for pseudo 'increase' event with modifiers (Ctrl, Alt or Shift)605 * @public606 */607 sapincreasemodifiers: {608 sName: "sapincreasemodifiers",609 aTypes: ["keydown"],610 fnCheck: function(oEvent) {611 var bRtl = sap.ui.getCore().getConfiguration().getRTL();612 if (oEvent.key) {613 if (bRtl) {614 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && hasModifierKeys(oEvent);615 } else {616 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && hasModifierKeys(oEvent);617 }618 }619 var iNextKey = bRtl ? KeyCodes.ARROW_LEFT : KeyCodes.ARROW_RIGHT;620 return (oEvent.keyCode == iNextKey || oEvent.keyCode == KeyCodes.ARROW_UP) && hasModifierKeys(oEvent);621 }622 },623 /**624 * Pseudo event for pseudo 'previous' event without modifiers (Ctrl, Alt or Shift)625 * @public626 */627 sapprevious: {628 sName: "sapprevious",629 aTypes: ["keydown"],630 fnCheck: function(oEvent) {631 var bRtl = sap.ui.getCore().getConfiguration().getRTL();632 if (oEvent.key) {633 if (bRtl) {634 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && !hasModifierKeys(oEvent);635 } else {636 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && !hasModifierKeys(oEvent);637 }638 }639 var iPreviousKey = bRtl ? KeyCodes.ARROW_RIGHT : KeyCodes.ARROW_LEFT;640 return (oEvent.keyCode == iPreviousKey || oEvent.keyCode == KeyCodes.ARROW_UP) && !hasModifierKeys(oEvent);641 }642 },643 /**644 * Pseudo event for pseudo 'previous' event with modifiers (Ctrl, Alt or Shift)645 * @public646 */647 sappreviousmodifiers: {648 sName: "sappreviousmodifiers",649 aTypes: ["keydown"],650 fnCheck: function(oEvent) {651 var bRtl = sap.ui.getCore().getConfiguration().getRTL();652 if (oEvent.key) {653 if (bRtl) {654 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && hasModifierKeys(oEvent);655 } else {656 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowUp" || oEvent.key === "Up") && hasModifierKeys(oEvent);657 }658 }659 var iPreviousKey = bRtl ? KeyCodes.ARROW_RIGHT : KeyCodes.ARROW_LEFT;660 return (oEvent.keyCode == iPreviousKey || oEvent.keyCode == KeyCodes.ARROW_UP) && hasModifierKeys(oEvent);661 }662 },663 /**664 * Pseudo event for pseudo 'next' event without modifiers (Ctrl, Alt or Shift)665 * @public666 */667 sapnext: {668 sName: "sapnext",669 aTypes: ["keydown"],670 fnCheck: function(oEvent) {671 var bRtl = sap.ui.getCore().getConfiguration().getRTL();672 if (oEvent.key) {673 if (bRtl) {674 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && !hasModifierKeys(oEvent);675 } else {676 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && !hasModifierKeys(oEvent);677 }678 }679 var iNextKey = bRtl ? KeyCodes.ARROW_LEFT : KeyCodes.ARROW_RIGHT;680 return (oEvent.keyCode == iNextKey || oEvent.keyCode == KeyCodes.ARROW_DOWN) && !hasModifierKeys(oEvent);681 }682 },683 /**684 * Pseudo event for pseudo 'next' event with modifiers (Ctrl, Alt or Shift)685 * @public686 */687 sapnextmodifiers: {688 sName: "sapnextmodifiers",689 aTypes: ["keydown"],690 fnCheck: function(oEvent) {691 var bRtl = sap.ui.getCore().getConfiguration().getRTL();692 if (oEvent.key) {693 if (bRtl) {694 return (oEvent.key === "ArrowLeft" || oEvent.key === "Left" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && hasModifierKeys(oEvent);695 } else {696 return (oEvent.key === "ArrowRight" || oEvent.key === "Right" || oEvent.key === "ArrowDown" || oEvent.key === "Down") && hasModifierKeys(oEvent);697 }698 }699 var iNextKey = bRtl ? KeyCodes.ARROW_LEFT : KeyCodes.ARROW_RIGHT;700 return (oEvent.keyCode == iNextKey || oEvent.keyCode == KeyCodes.ARROW_DOWN) && hasModifierKeys(oEvent);701 }702 },703 //// pseudo hotkey event704 //{sName: "saphotkey", aTypes: ["keydown"], fnCheck: function(oEvent) {705 // return false;706 //}},707 /* TODO: hotkeys: all other events could be hotkeys708 if(UCF_KeyboardHelper.bIsValidHotkey(iKey, bCtrl, bAlt, bShift)) {709 if (iKey == KeyCodes.F1 && bNoModifiers) {710 //special handling for FF - in IE the help is handeled by onHelp711 if (UCF_System.sDevice == "ff1") {712 this.fireSapEvent(this.E_SAP_EVENTS.hotkey, oEvent);713 }714 }715 else if (bCtrlOnly && iKey == KeyCodes.C && document.selection) {716 //handle ctrl+c centrally if text is selected to allow to copy it instead of firing the hotkey717 var oTextRange = document.selection.createRange();718 if (!oTextRange || oTextRange.text.length <= 0) {719 this.fireSapEvent(this.E_SAP_EVENTS.hotkey, oEvent);720 }721 }722 else {723 this.fireSapEvent(this.E_SAP_EVENTS.hotkey, oEvent);724 }725 }726 */727 /*728 * Other pseudo events729 * @public730 */731 /**732 * Pseudo event indicating delayed double click (e.g. for inline edit)733 * @public734 */735 sapdelayeddoubleclick: {736 sName: "sapdelayeddoubleclick",737 aTypes: ["click"],738 fnCheck: function(oEvent) {739 var element = jQuery(oEvent.target);740 var currentTimestamp = oEvent.timeStamp;741 var data = element.data("sapdelayeddoubleclick_lastClickTimestamp");742 var lastTimestamp = data || 0;743 element.data("sapdelayeddoubleclick_lastClickTimestamp", currentTimestamp);744 var diff = currentTimestamp - lastTimestamp;745 return (diff >= 300 && diff <= 1300);746 }747 }748 };749 /**750 * Ordered array of the {@link module:sap/ui/events/PseudoEvents.events}.751 *752 * Order is significant as some check methods rely on the fact that they are tested before other methods.753 * The array is processed during event analysis (when classifying browser events as pseudo events).754 * @public755 */756 PseudoEvents.order = ["sapdown", "sapdownmodifiers", "sapshow", "sapup", "sapupmodifiers", "saphide", "sapleft", "sapleftmodifiers", "sapright", "saprightmodifiers", "saphome", "saphomemodifiers", "saptop", "sapend", "sapendmodifiers", "sapbottom", "sappageup", "sappageupmodifiers", "sappagedown", "sappagedownmodifiers", "sapselect", "sapselectmodifiers", "sapspace", "sapspacemodifiers", "sapenter", "sapentermodifiers", "sapexpand", "sapbackspace", "sapbackspacemodifiers", "sapdelete", "sapdeletemodifiers", "sapexpandmodifiers", "sapcollapse", "sapcollapsemodifiers", "sapcollapseall", "sapescape", "saptabnext", "saptabprevious", "sapskipforward", "sapskipback", "sapprevious", "sappreviousmodifiers", "sapnext", "sapnextmodifiers", "sapdecrease", "sapminus", "sapdecreasemodifiers", "sapincrease", "sapplus", "sapincreasemodifiers", "sapdelayeddoubleclick"];757 /**758 * Function for initialization of an Array containing all basic event types of the available pseudo events.759 * @private760 * @ui5-restricted sap.ui.core761 */762 PseudoEvents.getBasicTypes = function() {763 var mEvents = PseudoEvents.events,764 aResult = [];765 for (var sName in mEvents) {766 if (mEvents[sName].aTypes) {767 for (var j = 0, js = mEvents[sName].aTypes.length; j < js; j++) {768 var sType = mEvents[sName].aTypes[j];769 if (aResult.indexOf(sType) == -1) {770 aResult.push(sType);771 }772 }773 }774 }775 this.getBasicTypes = function() {776 return aResult.slice();777 };778 return aResult;779 };780 /**781 * Array containing all basic event types of the available pseudo events.782 * @private783 * @ui5-restricted sap.ui.core784 */785 PseudoEvents.addEvent = function(oEvent) {786 PseudoEvents.events[oEvent.sName] = oEvent;787 PseudoEvents.order.push(oEvent.sName);788 };789 return PseudoEvents;...
event-target-shim.mjs
Source:event-target-shim.mjs
1/**2 * @author Toru Nagashima <https://github.com/mysticatea>3 * @copyright 2015 Toru Nagashima. All rights reserved.4 * See LICENSE file in root directory for full license.5 */6/**7 * @typedef {object} PrivateData8 * @property {EventTarget} eventTarget The event target.9 * @property {{type:string}} event The original event object.10 * @property {number} eventPhase The current event phase.11 * @property {EventTarget|null} currentTarget The current event target.12 * @property {boolean} canceled The flag to prevent default.13 * @property {boolean} stopped The flag to stop propagation.14 * @property {boolean} immediateStopped The flag to stop propagation immediately.15 * @property {Function|null} passiveListener The listener if the current listener is passive. Otherwise this is null.16 * @property {number} timeStamp The unix time.17 * @private18 */19/**20 * Private data for event wrappers.21 * @type {WeakMap<Event, PrivateData>}22 * @private23 */24const privateData = new WeakMap();25/**26 * Cache for wrapper classes.27 * @type {WeakMap<Object, Function>}28 * @private29 */30const wrappers = new WeakMap();31/**32 * Get private data.33 * @param {Event} event The event object to get private data.34 * @returns {PrivateData} The private data of the event.35 * @private36 */37function pd(event) {38 const retv = privateData.get(event);39 console.assert(40 retv != null,41 "'this' is expected an Event object, but got",42 event43 );44 return retv45}46/**47 * https://dom.spec.whatwg.org/#set-the-canceled-flag48 * @param data {PrivateData} private data.49 */50function setCancelFlag(data) {51 if (data.passiveListener != null) {52 if (53 typeof console !== "undefined" &&54 typeof console.error === "function"55 ) {56 console.error(57 "Unable to preventDefault inside passive event listener invocation.",58 data.passiveListener59 );60 }61 return62 }63 if (!data.event.cancelable) {64 return65 }66 data.canceled = true;67 if (typeof data.event.preventDefault === "function") {68 data.event.preventDefault();69 }70}71/**72 * @see https://dom.spec.whatwg.org/#interface-event73 * @private74 */75/**76 * The event wrapper.77 * @constructor78 * @param {EventTarget} eventTarget The event target of this dispatching.79 * @param {Event|{type:string}} event The original event to wrap.80 */81function Event(eventTarget, event) {82 privateData.set(this, {83 eventTarget,84 event,85 eventPhase: 2,86 currentTarget: eventTarget,87 canceled: false,88 stopped: false,89 immediateStopped: false,90 passiveListener: null,91 timeStamp: event.timeStamp || Date.now(),92 });93 // https://heycam.github.io/webidl/#Unforgeable94 Object.defineProperty(this, "isTrusted", { value: false, enumerable: true });95 // Define accessors96 const keys = Object.keys(event);97 for (let i = 0; i < keys.length; ++i) {98 const key = keys[i];99 if (!(key in this)) {100 Object.defineProperty(this, key, defineRedirectDescriptor(key));101 }102 }103}104// Should be enumerable, but class methods are not enumerable.105Event.prototype = {106 /**107 * The type of this event.108 * @type {string}109 */110 get type() {111 return pd(this).event.type112 },113 /**114 * The target of this event.115 * @type {EventTarget}116 */117 get target() {118 return pd(this).eventTarget119 },120 /**121 * The target of this event.122 * @type {EventTarget}123 */124 get currentTarget() {125 return pd(this).currentTarget126 },127 /**128 * @returns {EventTarget[]} The composed path of this event.129 */130 composedPath() {131 const currentTarget = pd(this).currentTarget;132 if (currentTarget == null) {133 return []134 }135 return [currentTarget]136 },137 /**138 * Constant of NONE.139 * @type {number}140 */141 get NONE() {142 return 0143 },144 /**145 * Constant of CAPTURING_PHASE.146 * @type {number}147 */148 get CAPTURING_PHASE() {149 return 1150 },151 /**152 * Constant of AT_TARGET.153 * @type {number}154 */155 get AT_TARGET() {156 return 2157 },158 /**159 * Constant of BUBBLING_PHASE.160 * @type {number}161 */162 get BUBBLING_PHASE() {163 return 3164 },165 /**166 * The target of this event.167 * @type {number}168 */169 get eventPhase() {170 return pd(this).eventPhase171 },172 /**173 * Stop event bubbling.174 * @returns {void}175 */176 stopPropagation() {177 const data = pd(this);178 data.stopped = true;179 if (typeof data.event.stopPropagation === "function") {180 data.event.stopPropagation();181 }182 },183 /**184 * Stop event bubbling.185 * @returns {void}186 */187 stopImmediatePropagation() {188 const data = pd(this);189 data.stopped = true;190 data.immediateStopped = true;191 if (typeof data.event.stopImmediatePropagation === "function") {192 data.event.stopImmediatePropagation();193 }194 },195 /**196 * The flag to be bubbling.197 * @type {boolean}198 */199 get bubbles() {200 return Boolean(pd(this).event.bubbles)201 },202 /**203 * The flag to be cancelable.204 * @type {boolean}205 */206 get cancelable() {207 return Boolean(pd(this).event.cancelable)208 },209 /**210 * Cancel this event.211 * @returns {void}212 */213 preventDefault() {214 setCancelFlag(pd(this));215 },216 /**217 * The flag to indicate cancellation state.218 * @type {boolean}219 */220 get defaultPrevented() {221 return pd(this).canceled222 },223 /**224 * The flag to be composed.225 * @type {boolean}226 */227 get composed() {228 return Boolean(pd(this).event.composed)229 },230 /**231 * The unix time of this event.232 * @type {number}233 */234 get timeStamp() {235 return pd(this).timeStamp236 },237 /**238 * The target of this event.239 * @type {EventTarget}240 * @deprecated241 */242 get srcElement() {243 return pd(this).eventTarget244 },245 /**246 * The flag to stop event bubbling.247 * @type {boolean}248 * @deprecated249 */250 get cancelBubble() {251 return pd(this).stopped252 },253 set cancelBubble(value) {254 if (!value) {255 return256 }257 const data = pd(this);258 data.stopped = true;259 if (typeof data.event.cancelBubble === "boolean") {260 data.event.cancelBubble = true;261 }262 },263 /**264 * The flag to indicate cancellation state.265 * @type {boolean}266 * @deprecated267 */268 get returnValue() {269 return !pd(this).canceled270 },271 set returnValue(value) {272 if (!value) {273 setCancelFlag(pd(this));274 }275 },276 /**277 * Initialize this event object. But do nothing under event dispatching.278 * @param {string} type The event type.279 * @param {boolean} [bubbles=false] The flag to be possible to bubble up.280 * @param {boolean} [cancelable=false] The flag to be possible to cancel.281 * @deprecated282 */283 initEvent() {284 // Do nothing.285 },286};287// `constructor` is not enumerable.288Object.defineProperty(Event.prototype, "constructor", {289 value: Event,290 configurable: true,291 writable: true,292});293// Ensure `event instanceof window.Event` is `true`.294if (typeof window !== "undefined" && typeof window.Event !== "undefined") {295 Object.setPrototypeOf(Event.prototype, window.Event.prototype);296 // Make association for wrappers.297 wrappers.set(window.Event.prototype, Event);298}299/**300 * Get the property descriptor to redirect a given property.301 * @param {string} key Property name to define property descriptor.302 * @returns {PropertyDescriptor} The property descriptor to redirect the property.303 * @private304 */305function defineRedirectDescriptor(key) {306 return {307 get() {308 return pd(this).event[key]309 },310 set(value) {311 pd(this).event[key] = value;312 },313 configurable: true,314 enumerable: true,315 }316}317/**318 * Get the property descriptor to call a given method property.319 * @param {string} key Property name to define property descriptor.320 * @returns {PropertyDescriptor} The property descriptor to call the method property.321 * @private322 */323function defineCallDescriptor(key) {324 return {325 value() {326 const event = pd(this).event;327 return event[key].apply(event, arguments)328 },329 configurable: true,330 enumerable: true,331 }332}333/**334 * Define new wrapper class.335 * @param {Function} BaseEvent The base wrapper class.336 * @param {Object} proto The prototype of the original event.337 * @returns {Function} The defined wrapper class.338 * @private339 */340function defineWrapper(BaseEvent, proto) {341 const keys = Object.keys(proto);342 if (keys.length === 0) {343 return BaseEvent344 }345 /** CustomEvent */346 function CustomEvent(eventTarget, event) {347 BaseEvent.call(this, eventTarget, event);348 }349 CustomEvent.prototype = Object.create(BaseEvent.prototype, {350 constructor: { value: CustomEvent, configurable: true, writable: true },351 });352 // Define accessors.353 for (let i = 0; i < keys.length; ++i) {354 const key = keys[i];355 if (!(key in BaseEvent.prototype)) {356 const descriptor = Object.getOwnPropertyDescriptor(proto, key);357 const isFunc = typeof descriptor.value === "function";358 Object.defineProperty(359 CustomEvent.prototype,360 key,361 isFunc362 ? defineCallDescriptor(key)363 : defineRedirectDescriptor(key)364 );365 }366 }367 return CustomEvent368}369/**370 * Get the wrapper class of a given prototype.371 * @param {Object} proto The prototype of the original event to get its wrapper.372 * @returns {Function} The wrapper class.373 * @private374 */375function getWrapper(proto) {376 if (proto == null || proto === Object.prototype) {377 return Event378 }379 let wrapper = wrappers.get(proto);380 if (wrapper == null) {381 wrapper = defineWrapper(getWrapper(Object.getPrototypeOf(proto)), proto);382 wrappers.set(proto, wrapper);383 }384 return wrapper385}386/**387 * Wrap a given event to management a dispatching.388 * @param {EventTarget} eventTarget The event target of this dispatching.389 * @param {Object} event The event to wrap.390 * @returns {Event} The wrapper instance.391 * @private392 */393function wrapEvent(eventTarget, event) {394 const Wrapper = getWrapper(Object.getPrototypeOf(event));395 return new Wrapper(eventTarget, event)396}397/**398 * Get the immediateStopped flag of a given event.399 * @param {Event} event The event to get.400 * @returns {boolean} The flag to stop propagation immediately.401 * @private402 */403function isStopped(event) {404 return pd(event).immediateStopped405}406/**407 * Set the current event phase of a given event.408 * @param {Event} event The event to set current target.409 * @param {number} eventPhase New event phase.410 * @returns {void}411 * @private412 */413function setEventPhase(event, eventPhase) {414 pd(event).eventPhase = eventPhase;415}416/**417 * Set the current target of a given event.418 * @param {Event} event The event to set current target.419 * @param {EventTarget|null} currentTarget New current target.420 * @returns {void}421 * @private422 */423function setCurrentTarget(event, currentTarget) {424 pd(event).currentTarget = currentTarget;425}426/**427 * Set a passive listener of a given event.428 * @param {Event} event The event to set current target.429 * @param {Function|null} passiveListener New passive listener.430 * @returns {void}431 * @private432 */433function setPassiveListener(event, passiveListener) {434 pd(event).passiveListener = passiveListener;435}436/**437 * @typedef {object} ListenerNode438 * @property {Function} listener439 * @property {1|2|3} listenerType440 * @property {boolean} passive441 * @property {boolean} once442 * @property {ListenerNode|null} next443 * @private444 */445/**446 * @type {WeakMap<object, Map<string, ListenerNode>>}447 * @private448 */449const listenersMap = new WeakMap();450// Listener types451const CAPTURE = 1;452const BUBBLE = 2;453const ATTRIBUTE = 3;454/**455 * Check whether a given value is an object or not.456 * @param {any} x The value to check.457 * @returns {boolean} `true` if the value is an object.458 */459function isObject(x) {460 return x !== null && typeof x === "object" //eslint-disable-line no-restricted-syntax461}462/**463 * Get listeners.464 * @param {EventTarget} eventTarget The event target to get.465 * @returns {Map<string, ListenerNode>} The listeners.466 * @private467 */468function getListeners(eventTarget) {469 const listeners = listenersMap.get(eventTarget);470 if (listeners == null) {471 throw new TypeError(472 "'this' is expected an EventTarget object, but got another value."473 )474 }475 return listeners476}477/**478 * Get the property descriptor for the event attribute of a given event.479 * @param {string} eventName The event name to get property descriptor.480 * @returns {PropertyDescriptor} The property descriptor.481 * @private482 */483function defineEventAttributeDescriptor(eventName) {484 return {485 get() {486 const listeners = getListeners(this);487 let node = listeners.get(eventName);488 while (node != null) {489 if (node.listenerType === ATTRIBUTE) {490 return node.listener491 }492 node = node.next;493 }494 return null495 },496 set(listener) {497 if (typeof listener !== "function" && !isObject(listener)) {498 listener = null; // eslint-disable-line no-param-reassign499 }500 const listeners = getListeners(this);501 // Traverse to the tail while removing old value.502 let prev = null;503 let node = listeners.get(eventName);504 while (node != null) {505 if (node.listenerType === ATTRIBUTE) {506 // Remove old value.507 if (prev !== null) {508 prev.next = node.next;509 } else if (node.next !== null) {510 listeners.set(eventName, node.next);511 } else {512 listeners.delete(eventName);513 }514 } else {515 prev = node;516 }517 node = node.next;518 }519 // Add new value.520 if (listener !== null) {521 const newNode = {522 listener,523 listenerType: ATTRIBUTE,524 passive: false,525 once: false,526 next: null,527 };528 if (prev === null) {529 listeners.set(eventName, newNode);530 } else {531 prev.next = newNode;532 }533 }534 },535 configurable: true,536 enumerable: true,537 }538}539/**540 * Define an event attribute (e.g. `eventTarget.onclick`).541 * @param {Object} eventTargetPrototype The event target prototype to define an event attrbite.542 * @param {string} eventName The event name to define.543 * @returns {void}544 */545function defineEventAttribute(eventTargetPrototype, eventName) {546 Object.defineProperty(547 eventTargetPrototype,548 `on${eventName}`,549 defineEventAttributeDescriptor(eventName)550 );551}552/**553 * Define a custom EventTarget with event attributes.554 * @param {string[]} eventNames Event names for event attributes.555 * @returns {EventTarget} The custom EventTarget.556 * @private557 */558function defineCustomEventTarget(eventNames) {559 /** CustomEventTarget */560 function CustomEventTarget() {561 EventTarget.call(this);562 }563 CustomEventTarget.prototype = Object.create(EventTarget.prototype, {564 constructor: {565 value: CustomEventTarget,566 configurable: true,567 writable: true,568 },569 });570 for (let i = 0; i < eventNames.length; ++i) {571 defineEventAttribute(CustomEventTarget.prototype, eventNames[i]);572 }573 return CustomEventTarget574}575/**576 * EventTarget.577 *578 * - This is constructor if no arguments.579 * - This is a function which returns a CustomEventTarget constructor if there are arguments.580 *581 * For example:582 *583 * class A extends EventTarget {}584 * class B extends EventTarget("message") {}585 * class C extends EventTarget("message", "error") {}586 * class D extends EventTarget(["message", "error"]) {}587 */588function EventTarget() {589 /*eslint-disable consistent-return */590 if (this instanceof EventTarget) {591 listenersMap.set(this, new Map());592 return593 }594 if (arguments.length === 1 && Array.isArray(arguments[0])) {595 return defineCustomEventTarget(arguments[0])596 }597 if (arguments.length > 0) {598 const types = new Array(arguments.length);599 for (let i = 0; i < arguments.length; ++i) {600 types[i] = arguments[i];601 }602 return defineCustomEventTarget(types)603 }604 throw new TypeError("Cannot call a class as a function")605 /*eslint-enable consistent-return */606}607// Should be enumerable, but class methods are not enumerable.608EventTarget.prototype = {609 /**610 * Add a given listener to this event target.611 * @param {string} eventName The event name to add.612 * @param {Function} listener The listener to add.613 * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.614 * @returns {void}615 */616 addEventListener(eventName, listener, options) {617 if (listener == null) {618 return619 }620 if (typeof listener !== "function" && !isObject(listener)) {621 throw new TypeError("'listener' should be a function or an object.")622 }623 const listeners = getListeners(this);624 const optionsIsObj = isObject(options);625 const capture = optionsIsObj626 ? Boolean(options.capture)627 : Boolean(options);628 const listenerType = capture ? CAPTURE : BUBBLE;629 const newNode = {630 listener,631 listenerType,632 passive: optionsIsObj && Boolean(options.passive),633 once: optionsIsObj && Boolean(options.once),634 next: null,635 };636 // Set it as the first node if the first node is null.637 let node = listeners.get(eventName);638 if (node === undefined) {639 listeners.set(eventName, newNode);640 return641 }642 // Traverse to the tail while checking duplication..643 let prev = null;644 while (node != null) {645 if (646 node.listener === listener &&647 node.listenerType === listenerType648 ) {649 // Should ignore duplication.650 return651 }652 prev = node;653 node = node.next;654 }655 // Add it.656 prev.next = newNode;657 },658 /**659 * Remove a given listener from this event target.660 * @param {string} eventName The event name to remove.661 * @param {Function} listener The listener to remove.662 * @param {boolean|{capture?:boolean,passive?:boolean,once?:boolean}} [options] The options for this listener.663 * @returns {void}664 */665 removeEventListener(eventName, listener, options) {666 if (listener == null) {667 return668 }669 const listeners = getListeners(this);670 const capture = isObject(options)671 ? Boolean(options.capture)672 : Boolean(options);673 const listenerType = capture ? CAPTURE : BUBBLE;674 let prev = null;675 let node = listeners.get(eventName);676 while (node != null) {677 if (678 node.listener === listener &&679 node.listenerType === listenerType680 ) {681 if (prev !== null) {682 prev.next = node.next;683 } else if (node.next !== null) {684 listeners.set(eventName, node.next);685 } else {686 listeners.delete(eventName);687 }688 return689 }690 prev = node;691 node = node.next;692 }693 },694 /**695 * Dispatch a given event.696 * @param {Event|{type:string}} event The event to dispatch.697 * @returns {boolean} `false` if canceled.698 */699 dispatchEvent(event) {700 if (event == null || typeof event.type !== "string") {701 throw new TypeError('"event.type" should be a string.')702 }703 // If listeners aren't registered, terminate.704 const listeners = getListeners(this);705 const eventName = event.type;706 let node = listeners.get(eventName);707 if (node == null) {708 return true709 }710 // Since we cannot rewrite several properties, so wrap object.711 const wrappedEvent = wrapEvent(this, event);712 // This doesn't process capturing phase and bubbling phase.713 // This isn't participating in a tree.714 let prev = null;715 while (node != null) {716 // Remove this listener if it's once717 if (node.once) {718 if (prev !== null) {719 prev.next = node.next;720 } else if (node.next !== null) {721 listeners.set(eventName, node.next);722 } else {723 listeners.delete(eventName);724 }725 } else {726 prev = node;727 }728 // Call this listener729 setPassiveListener(730 wrappedEvent,731 node.passive ? node.listener : null732 );733 if (typeof node.listener === "function") {734 try {735 node.listener.call(this, wrappedEvent);736 } catch (err) {737 if (738 typeof console !== "undefined" &&739 typeof console.error === "function"740 ) {741 console.error(err);742 }743 }744 } else if (745 node.listenerType !== ATTRIBUTE &&746 typeof node.listener.handleEvent === "function"747 ) {748 node.listener.handleEvent(wrappedEvent);749 }750 // Break if `event.stopImmediatePropagation` was called.751 if (isStopped(wrappedEvent)) {752 break753 }754 node = node.next;755 }756 setPassiveListener(wrappedEvent, null);757 setEventPhase(wrappedEvent, 0);758 setCurrentTarget(wrappedEvent, null);759 return !wrappedEvent.defaultPrevented760 },761};762// `constructor` is not enumerable.763Object.defineProperty(EventTarget.prototype, "constructor", {764 value: EventTarget,765 configurable: true,766 writable: true,767});768// Ensure `eventTarget instanceof window.EventTarget` is `true`.769if (770 typeof window !== "undefined" &&771 typeof window.EventTarget !== "undefined"772) {773 Object.setPrototypeOf(EventTarget.prototype, window.EventTarget.prototype);774}775export default EventTarget;776export { defineEventAttribute, EventTarget };...
BMapLib.js
Source:BMapLib.js
1/**2 * @fileoverview é§æ§å®³é¦æ¿æµAPIæµå¬©æ¬¢éå°îé£ï¿½3 * å§ãå¬é®ä½¸å½²æµ£è·¨æ¤closure compileré¨ådvanced妯â³ç´¡æ©æ¶îé嬬ç¼4 * @author Baidu Map Api Group 5 * @version 1.26 */7/** 8 * @namespace BMapé¨å¬å¢éå¡´ibrary绫诲æ½éæ§æ¹ªBMapLibéèæç»æ´ªæ£¿æ¶ï¿½9 */10window['BMapLib'] = window['BMapLib'] || {};11window['BMapLib']['EventWrapper'] = window['BMapLib']['EventWrapper'] || {};12(function(){13/**14 * æµå¬©æ¬¢çä½½îé£ã§æ®éæ¬â¬ä½ºè¢«15 * @class EventWrapper16 */17var EventWrapper = window['BMapLib']['EventWrapper'];18/**19 * 娣诲å§DOMæµå¬©æ¬¢é©ææéè¥æ20 * @param {HTMLElement} DOMéåªç¤21 * @param {String} æµå¬©æ¬¢éå¶Ð22 * @param {Function} æµå¬©æ¬¢æ¾¶åæéè¥æ23 * @returns {MapsEventListener} æµå¬©æ¬¢é©ææçµç¡
è24 */25EventWrapper['addDomListener'] = function(instance, eventName, handler) {26 if (instance.addEventListener) {27 instance.addEventListener(eventName, handler, false);28 }29 else if (instance.attachEvent) {30 instance.attachEvent('on' + eventName, handler);31 }32 else {33 instance['on' + eventName] = handler;34 }35 return new MapsEventListener(instance, eventName, handler, MapsEventListener.DOM_EVENT);36};37/**38 * 娣诲å§DOMæµå¬©æ¬¢é©ææéè¥æéå±½å±éé¢ç²éµÑîæ¶â¬å¨ï¿½39 * @param {HTMLElement} DOMéåªç¤40 * @param {String} æµå¬©æ¬¢éå¶Ð41 * @param {Function} æµå¬©æ¬¢æ¾¶åæéè¥æ42 * @returns {MapsEventListener} æµå¬©æ¬¢é©ææçµç¡
è43 */44EventWrapper['addDomListenerOnce'] = function(instance, eventName, handler) {45 var eventListener = EventWrapper['addDomListener'](instance, eventName, function(){46 // ç»å©æ«47 EventWrapper['removeListener'](eventListener);48 return handler.apply(this, arguments);49 });50 return eventListener;51};52/**53 * 娣诲å§é¦æ¿æµæµå¬©æ¬¢é©ææéè¥æ54 * @param {Object} ç¹ç°ç·¥55 * @param {String} æµå¬©æ¬¢éå¶Ð56 * @param {Function} æµå¬©æ¬¢æ¾¶åæéè¥æ57 * @returns {MapsEventListener} æµå¬©æ¬¢é©ææçµç¡
è58 */59EventWrapper['addListener'] = function(instance, eventName, handler) {60 instance.addEventListener(eventName, handler);61 return new MapsEventListener(instance, eventName, handler, MapsEventListener.MAP_EVENT);62};63/**64 * 娣诲å§é¦æ¿æµæµå¬©æ¬¢é©ææéè¥æéå±½å±éé¢ç²éµÑîæ¶â¬å¨ï¿½65 * @param {Object} éâ¬ç佺æ´éîæ®ç¹ç°ç·¥66 * @param {String} æµå¬©æ¬¢éå¶Ð67 * @param {Function} æµå¬©æ¬¢æ¾¶åæéè¥æ68 * @returns {MapsEventListener} æµå¬©æ¬¢é©ææçµç¡
è69 */70EventWrapper['addListenerOnce'] = function(instance, eventName, handler){71 var eventListener = EventWrapper['addListener'](instance, eventName, function(){72 // ç»å©æ«73 EventWrapper['removeListener'](eventListener);74 return handler.apply(this, arguments);75 });76 return eventListener;77};78/**79 * ç»å©æ«éç°ç¾ç¹ç°ç·¥é¨å¬å¢éå¤ç°¨æµ åæ®éµâ¬éå¤æ´éîå±é�80 * @param {Object} éâ¬ç佺Щéãå¢éå¤ç°¨æµ åæ´éîæ®ç¹ç°ç·¥81 * @returns {None}82 */83EventWrapper['clearInstanceListeners'] = function(instance) {84 var listeners = instance._e_ || {};85 for (var i in listeners) {86 EventWrapper['removeListener'](listeners[i]);87 }88 instance._e_ = {};89};90/**91 * ç»å©æ«éç°ç¾ç¹ç°ç·¥éç°ç¾æµå¬©æ¬¢é¨å¬å¢éå¤æ´éîå±é�92 * @param {Object} éâ¬ç佺Щéãå£ç¹æ°«ç°¨æµ åæ´éîæ®ç¹ç°ç·¥93 * @param {String} éâ¬ç佺Щéãæ®æµå¬©æ¬¢é�94 * @returns {None}95 */96EventWrapper['clearListeners'] = function(instance, eventName) {97 var listeners = instance._e_ || {};98 for (var i in listeners) {99 if (listeners[i]._eventName == eventName) {100 EventWrapper['removeListener'](listeners[i]);101 }102 }103};104/**105 * ç»å©æ«éç°ç¾é¨åªç°¨æµ åæ´éîå±é�106 * @param {MapsEventListener} éâ¬ç佺Щéãæ®æµå¬©æ¬¢é©ææçµç¡
è107 * @returns {None}108 */109EventWrapper['removeListener'] = function(listener) {110 var instance = listener._instance;111 var eventName = listener._eventName;112 var handler = listener._handler;113 var listeners = instance._e_ || {};114 for (var i in listeners) {115 if (listeners[i]._guid == listener._guid) {116 if (listener._eventType == MapsEventListener.DOM_EVENT) {117 // DOMæµå¬©æ¬¢118 if (instance.removeEventListener) {119 instance.removeEventListener(eventName, handler, false);120 }121 else if (instance.detachEvent) {122 instance.detachEvent('on' + eventName, handler);123 }124 else {125 instance['on' + eventName] = null;126 }127 }128 else if (listener._eventType == MapsEventListener.MAP_EVENT) {129 // é¦æ¿æµæµå¬©æ¬¢130 instance.removeEventListener(eventName, handler);131 }132 delete listeners[i];133 }134 }135};136/**137 * çï¹å½éç°ç¾æµå¬©æ¬¢138 * @param {Object} çï¹å½æµå¬©æ¬¢é¨å«çæ¸å¬ªî®ç�139 * @param {String} çï¹å½æµå¬©æ¬¢é¨å«æç»ï¿½140 * @param {Object} é·îç¾æ¶å¤ç°¨æµ 跺弬é帮ç´éîâ¬ï¿½141 * @returns {None}142 */143EventWrapper['trigger'] = function(instance, eventName) {144 var listeners = instance._e_ || {};145 for (var i in listeners) {146 if (listeners[i]._eventName == eventName) {147 var args = Array.prototype.slice.call(arguments, 2);148 listeners[i]._handler.apply(instance, args);149 }150 }151};152/**153 * æµå¬©æ¬¢é©ææ绫�154 * @constructor155 * @ignore156 * @private157 * @param {Object} çµç¡
èç¹ç°ç·¥158 * @param {string} æµå¬©æ¬¢éå¶Ð159 * @param {Function} æµå¬©æ¬¢é©ææéè¥æ160 * @param {EventTypes} æµå¬©æ¬¢ç»«è¯²ç·161 */162function MapsEventListener(instance, eventName, handler, eventType){163 this._instance = instance;164 this._eventName = eventName;165 this._handler = handler;166 this._eventType = eventType;167 this._guid = MapsEventListener._guid ++;168 this._instance._e_ = this._instance._e_ || {};169 this._instance._e_[this._guid] = this;170}171MapsEventListener._guid = 1;172MapsEventListener.DOM_EVENT = 1;173MapsEventListener.MAP_EVENT = 2;...
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