/**
* kEventConstructors is a helper and database of all events.
* The sort order of the definition is by A to Z (ignore the Event postfix).
*
* XXX: should we move this into EventUtils.js?
*
* create: function or null. If this is null, it's impossible to create untrusted event for it.
* Otherwise, create(aName, aProps) returns an instance of the event initialized with aProps.
* aName specifies the event's type name. See each create() code for the detail of aProps.
*/
const kEventConstructors = {
Event: { create (aName, aProps) {
return new Event(aName, aProps);
},
},
AnimationEvent: { create (aName, aProps) {
return new AnimationEvent(aName, aProps);
},
},
AnimationPlaybackEvent: { create (aName, aProps) {
return new AnimationPlaybackEvent(aName, aProps);
},
},
AudioProcessingEvent: { create: null, // Cannot create untrusted event from JS.
},
BeforeUnloadEvent: { create (aName, aProps) { var e = document.createEvent("beforeunloadevent");
e.initEvent(aName, aProps.bubbles, aProps.cancelable);
return e;
},
},
BlobEvent: { create (aName, aProps) {
return new BlobEvent(aName, {
data: new Blob([]),
});
},
},
CallEvent: { create (aName, aProps) {
return new CallEvent(aName, aProps);
},
},
CallGroupErrorEvent: { create (aName, aProps) {
return new CallGroupErrorEvent(aName, aProps);
},
},
CFStateChangeEvent: { create (aName, aProps) {
return new CFStateChangeEvent(aName, aProps);
},
},
CloseEvent: { create (aName, aProps) {
return new CloseEvent(aName, aProps);
},
},
ClipboardEvent: { create (aName, aProps) {
return new ClipboardEvent(aName, aProps);
},
},
CommandEvent: { create (aName, aProps) {
return new CommandEvent(aName, aProps);
},
},
CompositionEvent: { create (aName, aProps) { var e = document.createEvent("compositionevent");
e.initCompositionEvent(aName, aProps.bubbles, aProps.cancelable,
aProps.view, aProps.data);
return e;
},
},
ContentVisibilityAutoStateChangeEvent: { create (aName, aProps) {
return new ContentVisibilityAutoStateChangeEvent(aName, aProps);
},
},
CustomEvent: { create (aName, aProps) {
return new CustomEvent(aName, aProps);
},
},
DataErrorEvent: { create (aName, aProps) {
return new DataErrorEvent(aName, aProps);
},
},
DeviceLightEvent: { create (aName, aProps) {
return new DeviceLightEvent(aName, aProps);
},
},
DeviceMotionEvent: { create (aName, aProps) { var e = document.createEvent("devicemotionevent");
e.initDeviceMotionEvent(aName, aProps.bubbles, aProps.cancelable, aProps.acceleration,
aProps.accelerationIncludingGravity, aProps.rotationRate,
aProps.interval || 0.0);
return e;
},
},
DeviceOrientationEvent: { create (aName, aProps) {
return new DeviceOrientationEvent(aName, aProps);
},
},
DeviceProximityEvent: { create (aName, aProps) {
return new DeviceProximityEvent(aName, aProps);
},
},
DownloadEvent: { create (aName, aProps) {
return new DownloadEvent(aName, aProps);
},
},
DragEvent: { create (aName, aProps) { var e = document.createEvent("dragevent");
e.initDragEvent(aName, aProps.bubbles, aProps.cancelable,
aProps.view, aProps.detail,
aProps.screenX, aProps.screenY,
aProps.clientX, aProps.clientY,
aProps.ctrlKey, aProps.altKey, aProps.shiftKey, aProps.metaKey,
aProps.button, aProps.relatedTarget, aProps.dataTransfer);
return e;
},
},
ErrorEvent: { create (aName, aProps) {
return new ErrorEvent(aName, aProps);
},
},
FocusEvent: { create (aName, aProps) {
return new FocusEvent(aName, aProps);
},
},
FontFaceSetLoadEvent: { create (aName, aProps) {
return new FontFaceSetLoadEvent(aName, aProps);
},
},
FormDataEvent: { create (aName, aProps) {
return new FormDataEvent(aName, {
formData: new FormData()
});
},
},
GamepadEvent: { create (aName, aProps) {
return new GamepadEvent(aName, aProps);
},
},
GamepadAxisMoveEvent: { create (aName, aProps) {
return new GamepadAxisMoveEvent(aName, aProps);
},
},
GamepadButtonEvent: { create (aName, aProps) {
return new GamepadButtonEvent(aName, aProps);
},
},
GPUUncapturedErrorEvent: { create: null, //TODO: constructor test
},
HashChangeEvent: { create (aName, aProps) {
return new HashChangeEvent(aName, aProps);
},
},
IDBVersionChangeEvent: { create (aName, aProps) {
return new IDBVersionChangeEvent(aName, aProps);
},
},
ImageCaptureErrorEvent: { create (aName, aProps) {
return new ImageCaptureErrorEvent(aName, aProps);
},
},
InputEvent: { create (aName, aProps) {
return new InputEvent(aName, aProps);
},
},
KeyEvent: { create (aName, aProps) {
return new KeyboardEvent(aName, aProps);
},
},
KeyboardEvent: { create (aName, aProps) {
return new KeyboardEvent(aName, aProps);
},
},
MediaEncryptedEvent: { create (aName, aProps) {
return new MediaEncryptedEvent(aName, aProps);
},
},
MediaKeyMessageEvent: { create (aName, aProps) {
return new MediaKeyMessageEvent(aName, {
messageType: "license-request",
message: new ArrayBuffer(0)
});
},
},
MediaQueryListEvent: { create (aName, aProps) {
return new MediaQueryListEvent(aName, aProps);
},
},
MediaRecorderErrorEvent: { create (aName, aProps) {
aProps.error = new DOMException();
return new MediaRecorderErrorEvent(aName, aProps);
},
},
MediaStreamEvent: { create (aName, aProps) {
return new MediaStreamEvent(aName, aProps);
},
},
MediaStreamTrackEvent: {
// Difficult to test required arguments.
},
MessageEvent: { create (aName, aProps) { var e = new MessageEvent("messageevent", { bubbles: aProps.bubbles,
cancelable: aProps.cancelable, data: aProps.data, origin: aProps.origin,
lastEventId: aProps.lastEventId, source: aProps.source });
return e;
},
},
MouseEvent: { create (aName, aProps) {
return new MouseEvent(aName, aProps);
},
},
MouseScrollEvent: { create: null
// Cannot create untrusted event from JS
},
MozClirModeEvent: { create (aName, aProps) {
return new MozClirModeEvent(aName, aProps);
},
},
MozContactChangeEvent: { create (aName, aProps) {
return new MozContactChangeEvent(aName, aProps);
},
},
MozEmergencyCbModeEvent: { create (aName, aProps) {
return new MozEmergencyCbModeEvent(aName, aProps);
},
},
MozMessageDeletedEvent: { create (aName, aProps) {
return new MozMessageDeletedEvent(aName, aProps);
},
},
MozMmsEvent: { create (aName, aProps) {
return new MozMmsEvent(aName, aProps);
},
},
MozOtaStatusEvent: { create (aName, aProps) {
return new MozOtaStatusEvent(aName, aProps);
},
},
MozSmsEvent: { create (aName, aProps) {
return new MozSmsEvent(aName, aProps);
},
},
MozStkCommandEvent: { create (aName, aProps) {
return new MozStkCommandEvent(aName, aProps);
},
},
MutationEvent: { create (aName, aProps) { var e = document.createEvent("mutationevent");
e.initMutationEvent(aName, aProps.bubbles, aProps.cancelable,
aProps.relatedNode, aProps.prevValue, aProps.newValue,
aProps.attrName, aProps.attrChange);
return e;
},
},
NavigateEvent: { create: null
// Cannot create NavigateEvent without NavigationDestination which can't be created
},
NavigationCurrentEntryChangeEvent: { create: null
// Cannot create NavigationCurrentEntryChangeEvent without window.navigation
},
OfflineAudioCompletionEvent: { create: "AudioContext" in self
? function (aName, aProps) { var ac = new AudioContext(); var ab = new AudioBuffer({ length: 42, sampleRate: ac.sampleRate });
aProps.renderedBuffer = ab;
return new OfflineAudioCompletionEvent(aName, aProps);
}
: null,
},
PageTransitionEvent: { create (aName, aProps) {
return new PageTransitionEvent(aName, aProps);
},
},
PictureInPictureEvent: { create: null, // Cannot create untrusted event from JS (requires a PictureInPictureWindow).
},
PointerEvent: { create (aName, aProps) {
return new PointerEvent(aName, aProps);
},
},
PopStateEvent: { create (aName, aProps) {
return new PopStateEvent(aName, aProps);
},
},
PopupBlockedEvent: { create (aName, aProps) {
return new PopupBlockedEvent(aName, aProps);
},
},
ProgressEvent: { create (aName, aProps) {
return new ProgressEvent(aName, aProps);
},
},
PromiseRejectionEvent: { create (aName, aProps) {
aProps.promise = new Promise(() => {});
return new PromiseRejectionEvent(aName, aProps);
},
},
RTCDataChannelEvent: { create (aName, aProps) {
let pc = new RTCPeerConnection();
aProps.channel = pc.createDataChannel("foo");
let e = new RTCDataChannelEvent(aName, aProps);
aProps.channel.close();
pc.close();
return e;
},
},
RTCDTMFToneChangeEvent: { create (aName, aProps) {
return new RTCDTMFToneChangeEvent(aName, aProps);
},
},
RTCErrorEvent: {
// Difficult to test required arguments.
},
RTCPeerConnectionIceErrorEvent: { create (aName, aProps) {
return new RTCPeerConnectionIceErrorEvent(aName, Object.assign({errorCode: 701}, aProps));
},
},
RTCPeerConnectionIceEvent: { create (aName, aProps) {
return new RTCPeerConnectionIceEvent(aName, aProps);
},
},
RTCTrackEvent: {
// Difficult to test required arguments.
},
ScrollAreaEvent: { create: null
// Cannot create untrusted event from JS
},
SpeechRecognitionError: { create (aName, aProps) {
return new SpeechRecognitionError(aName, aProps);
},
},
SpeechRecognitionEvent: { create (aName, aProps) {
return new SpeechRecognitionEvent(aName, aProps);
},
},
SpeechSynthesisErrorEvent: { create (aName, aProps) {
aProps.error = "synthesis-unavailable";
aProps.utterance = new SpeechSynthesisUtterance("Hello World");
return new SpeechSynthesisErrorEvent(aName, aProps);
},
},
SpeechSynthesisEvent: { create (aName, aProps) {
aProps.utterance = new SpeechSynthesisUtterance("Hello World");
return new SpeechSynthesisEvent(aName, aProps);
},
},
StorageEvent: { create (aName, aProps) {
return new StorageEvent(aName, aProps);
},
},
StyleSheetApplicableStateChangeEvent: { create (aName, aProps) {
return new StyleSheetApplicableStateChangeEvent(aName, aProps);
},
chromeOnly: true,
},
StyleSheetRemovedEvent: { create (aName, aProps) {
return new StyleSheetRemovedEvent(aName, aProps);
},
chromeOnly: true,
},
SubmitEvent: { create (aName, aProps) {
return new SubmitEvent(aName, aProps);
},
},
TaskPriorityChangeEvent: { create (aName, aProps) {
aProps.previousPriority = "user-blocking";
return new TaskPriorityChangeEvent(aName, aProps);
},
},
TCPSocketErrorEvent: { create(aName, aProps) {
return new TCPSocketErrorEvent(aName, aProps);
},
},
TCPSocketEvent: { create(aName, aProps) {
return new TCPSocketEvent(aName, aProps);
},
},
TCPServerSocketEvent: { create(aName, aProps) {
return new TCPServerSocketEvent(aName, aProps);
},
},
TextEvent : { create (aName, aProps) { var e = document.createEvent("textevent");
e.initTextEvent("textInput", aProps.bubbles, aProps.cancelable,
aProps.view, aProps.data);
return e;
},
},
TimeEvent: { create: null
// Cannot create untrusted event from JS
},
ToggleEvent: { create(aName, aProps) {
return new ToggleEvent(aName, aProps);
},
},
TouchEvent: { create (aName, aProps) { var e = document.createEvent("touchevent");
e.initTouchEvent(aName, aProps.bubbles, aProps.cancelable,
aProps.view, aProps.detail,
aProps.ctrlKey, aProps.altKey, aProps.shiftKey, aProps.metaKey,
aProps.touches, aProps.targetTouches, aProps.changedTouches);
return e;
},
},
TrackEvent: { create (aName, aProps) {
return new TrackEvent(aName, aProps);
},
},
TransitionEvent: { create (aName, aProps) {
return new TransitionEvent(aName, aProps);
},
},
UIEvent: { create (aName, aProps) {
return new UIEvent(aName, aProps);
},
},
UserProximityEvent: { create (aName, aProps) {
return new UserProximityEvent(aName, aProps);
},
},
USSDReceivedEvent: { create (aName, aProps) {
return new USSDReceivedEvent(aName, aProps);
},
},
VRDisplayEvent: { create: null,
// Required argument expects a VRDisplay that can not
// be created from Javascript without physical VR hardware
// connected. When Bug 1229480 lands, this test can be
// updated to use the puppet VR device.
},
WheelEvent: { create (aName, aProps) {
return new WheelEvent(aName, aProps);
},
},
WebGLContextEvent: { create (aName, aProps) {
return new WebGLContextEvent(aName, aProps);
},
},
SecurityPolicyViolationEvent: { create (aName, aProps) {
return new SecurityPolicyViolationEvent(aName, aProps);
},
},
};
function test() {
for (var name of Object.keys(kEventConstructors)) {
if (!kEventConstructors[name].chromeOnly) {
continue;
}
if (window[name]) {
ok(false, name + " should be chrome only.");
}
window[name] = SpecialPowers.unwrap(SpecialPowers.wrap(window)[name]);
}
var props = Object.getOwnPropertyNames(window);
for (vari = 0; i < props.length; i++) {
// Assume that event object must be named as "FooBarEvent".
if (!props[i].match(/^([A-Z][a-zA-Z]+)?Event$/)) {
continue;
}
if (!kEventConstructors[props[i]]) {
ok(false, "Unknown event found: " + props[i]);
continue;
}
if (!kEventConstructors[props[i]].create) {
todo(false, "Cannot create untrusted event of " + props[i]);
continue;
}
ok(true, "Creating " + props[i] + "..."); var event = kEventConstructors[props[i]].create("foo", {});
if (!event) {
ok(false, "Failed to create untrusted event: " + props[i]);
continue;
}
if (typeof(event.getModifierState) == "function") {
const kModifiers = [ "Shift", "Control", "Alt", "AltGr", "Meta", "CapsLock", "ScrollLock", "NumLock", "Fn", "FnLock", "Symbol", "SymbolLock" ];
for (var j = 0; j < kModifiers.length; j++) {
ok(true, "Calling " + props[i] + ".getModifierState(" + kModifiers[j] + ")..."); var modifierState = event.getModifierState(kModifiers[j]);
ok(true, props[i] + ".getModifierState(" + kModifiers[j] + ") = " + modifierState);
}
}
}
}
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Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.
