/**
* EventUtils provides some utility methods for creating and sending DOM events.
* Current methods:
* sendMouseEvent
* sendDragEvent
* sendChar
* sendString
* sendKey
* sendWheelAndPaint
* synthesizeMouse
* synthesizeMouseAtCenter
* synthesizePointer
* synthesizeWheel
* synthesizeWheelAtPoint
* synthesizeKey
* synthesizeNativeKey
* synthesizeMouseExpectEvent
* synthesizeKeyExpectEvent
* synthesizeNativeClick
*
* When adding methods to this file, please add a performance test for it.
*/
// This file is used both in privileged and unprivileged contexts, so we have to
// be careful about our access to Components.interfaces. We also want to avoid
// naming collisions with anything that might be defined in the scope that imports
// this script.
window.__defineGetter__('_EU_Ci', function() {
// Even if the real |Components| doesn't exist, we might shim in a simple JS
// placebo for compat. An easy way to differentiate this from the real thing
// is whether the property is read-only or not.
var c = Object.getOwnPropertyDescriptor(window, 'Components');
return c.value && !c.writable ? Components.interfaces : SpecialPowers.Ci;
});
window.__defineGetter__('_EU_Cc', function() {
var c = Object.getOwnPropertyDescriptor(window, 'Components');
return c.value && !c.writable ? Components.classes : SpecialPowers.Cc;
});
window.__defineGetter__('_EU_Cu', function() {
var c = Object.getOwnPropertyDescriptor(window, 'Components');
return c.value && !c.writable ? Components.utils : SpecialPowers.Cu;
});
window.__defineGetter__("_EU_OS", function() {
delete this._EU_OS;
try {
this._EU_OS = this._EU_Cu.import("resource://gre/modules/AppConstants.jsm", {}).platform;
} catch (ex) {
this._EU_OS = null;
}
return this._EU_OS;
});
function _EU_isMac(aWindow = window) {
if (window._EU_OS) {
return window._EU_OS == "macosx";
}
if (aWindow) {
try {
return aWindow.navigator.platform.indexOf("Mac") > -1;
} catch (ex) {}
}
return navigator.platform.indexOf("Mac") > -1;
}
function _EU_isWin(aWindow = window) {
if (window._EU_OS) {
return window._EU_OS == "win";
}
if (aWindow) {
try {
return aWindow.navigator.platform.indexOf("Win") > -1;
} catch (ex) {}
}
return navigator.platform.indexOf("Win") > -1;
}
/**
* Send a mouse event to the node aTarget (aTarget can be an id, or an
* actual node) . The "event" passed in to aEvent is just a JavaScript
* object with the properties set that the real mouse event object should
* have. This includes the type of the mouse event.
* E.g. to send an click event to the node with id 'node' you might do this:
*
* sendMouseEvent({type:'click'}, 'node');
*/
function getElement(id) {
return ((typeof(id) == "string") ?
document.getElementById(id) : id);
};
this.$ = this.getElement;
function computeButton(aEvent) {
if (typeof aEvent.button != 'undefined') {
return aEvent.button;
}
return aEvent.type == 'contextmenu' ? 2 : 0;
}
function sendMouseEvent(aEvent, aTarget, aWindow) {
if (['click', 'contextmenu', 'dblclick', 'mousedown', 'mouseup', 'mouseover', 'mouseout'].indexOf(aEvent.type) == -1) {
throw new Error("sendMouseEvent doesn't know about event type '" + aEvent.type + "'");
}
if (!aWindow) {
aWindow = window;
}
if (typeof aTarget == "string") {
aTarget = aWindow.document.getElementById(aTarget);
}
var event = aWindow.document.createEvent('MouseEvent');
var typeArg = aEvent.type;
var canBubbleArg = true;
var cancelableArg = true;
var viewArg = aWindow;
var detailArg = aEvent.detail || (aEvent.type == 'click' ||
aEvent.type == 'mousedown' ||
aEvent.type == 'mouseup' ? 1 :
aEvent.type == 'dblclick'? 2 : 0);
var screenXArg = aEvent.screenX || 0;
var screenYArg = aEvent.screenY || 0;
var clientXArg = aEvent.clientX || 0;
var clientYArg = aEvent.clientY || 0;
var ctrlKeyArg = aEvent.ctrlKey || false;
var altKeyArg = aEvent.altKey || false;
var shiftKeyArg = aEvent.shiftKey || false;
var metaKeyArg = aEvent.metaKey || false;
var buttonArg = computeButton(aEvent);
var relatedTargetArg = aEvent.relatedTarget || null;
event.initMouseEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg,
screenXArg, screenYArg, clientXArg, clientYArg,
ctrlKeyArg, altKeyArg, shiftKeyArg, metaKeyArg,
buttonArg, relatedTargetArg);
return SpecialPowers.dispatchEvent(aWindow, aTarget, event);
}
/**
* Send a drag event to the node aTarget (aTarget can be an id, or an
* actual node) . The "event" passed in to aEvent is just a JavaScript
* object with the properties set that the real drag event object should
* have. This includes the type of the drag event.
*/
function sendDragEvent(aEvent, aTarget, aWindow = window) {
if (['drag', 'dragstart', 'dragend', 'dragover', 'dragenter', 'dragleave', 'drop'].indexOf(aEvent.type) == -1) {
throw new Error("sendDragEvent doesn't know about event type '" + aEvent.type + "'");
}
if (typeof aTarget == "string") {
aTarget = aWindow.document.getElementById(aTarget);
}
var event = aWindow.document.createEvent('DragEvent');
var typeArg = aEvent.type;
var canBubbleArg = true;
var cancelableArg = true;
var viewArg = aWindow;
var detailArg = aEvent.detail || 0;
var screenXArg = aEvent.screenX || 0;
var screenYArg = aEvent.screenY || 0;
var clientXArg = aEvent.clientX || 0;
var clientYArg = aEvent.clientY || 0;
var ctrlKeyArg = aEvent.ctrlKey || false;
var altKeyArg = aEvent.altKey || false;
var shiftKeyArg = aEvent.shiftKey || false;
var metaKeyArg = aEvent.metaKey || false;
var buttonArg = computeButton(aEvent);
var relatedTargetArg = aEvent.relatedTarget || null;
var dataTransfer = aEvent.dataTransfer || null;
event.initDragEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg,
screenXArg, screenYArg, clientXArg, clientYArg,
ctrlKeyArg, altKeyArg, shiftKeyArg, metaKeyArg,
buttonArg, relatedTargetArg, dataTransfer);
var utils = _getDOMWindowUtils(aWindow);
return utils.dispatchDOMEventViaPresShell(aTarget, event, true);
}
/**
* Send the char aChar to the focused element. This method handles casing of
* chars (sends the right charcode, and sends a shift key for uppercase chars).
* No other modifiers are handled at this point.
*
* For now this method only works for ASCII characters and emulates the shift
* key state on US keyboard layout.
*/
function sendChar(aChar, aWindow) {
var hasShift;
// Emulate US keyboard layout for the shiftKey state.
switch (aChar) {
case "!":
case "@":
case "#":
case "$":
case "%":
case "^":
case "&":
case "*":
case "(":
case ")":
case "_":
case "+":
case "{":
case "}":
case ":":
case "\"":
case "|":
case "<":
case ">":
case "?":
hasShift = true;
break;
default:
hasShift = (aChar == aChar.toUpperCase());
break;
}
synthesizeKey(aChar, { shiftKey: hasShift }, aWindow);
}
/**
* Send the string aStr to the focused element.
*
* For now this method only works for ASCII characters and emulates the shift
* key state on US keyboard layout.
*/
function sendString(aStr, aWindow) {
for (var i = 0; i < aStr.length; ++i) {
sendChar(aStr.charAt(i), aWindow);
}
}
/**
* Send the non-character key aKey to the focused node.
* The name of the key should be the part that comes after "DOM_VK_" in the
* KeyEvent constant name for this key.
* No modifiers are handled at this point.
*/
function sendKey(aKey, aWindow) {
var keyName = "VK_" + aKey.toUpperCase();
synthesizeKey(keyName, { shiftKey: false }, aWindow);
}
/**
* Parse the key modifier flags from aEvent. Used to share code between
* synthesizeMouse and synthesizeKey.
*/
function _parseModifiers(aEvent, aWindow = window)
{
var navigator = _getNavigator(aWindow);
var nsIDOMWindowUtils = _EU_Ci.nsIDOMWindowUtils;
var mval = 0;
if (aEvent.shiftKey) {
mval |= nsIDOMWindowUtils.MODIFIER_SHIFT;
}
if (aEvent.ctrlKey) {
mval |= nsIDOMWindowUtils.MODIFIER_CONTROL;
}
if (aEvent.altKey) {
mval |= nsIDOMWindowUtils.MODIFIER_ALT;
}
if (aEvent.metaKey) {
mval |= nsIDOMWindowUtils.MODIFIER_META;
}
if (aEvent.accelKey) {
mval |= _EU_isMac(aWindow) ?
nsIDOMWindowUtils.MODIFIER_META : nsIDOMWindowUtils.MODIFIER_CONTROL;
}
if (aEvent.altGrKey) {
mval |= nsIDOMWindowUtils.MODIFIER_ALTGRAPH;
}
if (aEvent.capsLockKey) {
mval |= nsIDOMWindowUtils.MODIFIER_CAPSLOCK;
}
if (aEvent.fnKey) {
mval |= nsIDOMWindowUtils.MODIFIER_FN;
}
if (aEvent.fnLockKey) {
mval |= nsIDOMWindowUtils.MODIFIER_FNLOCK;
}
if (aEvent.numLockKey) {
mval |= nsIDOMWindowUtils.MODIFIER_NUMLOCK;
}
if (aEvent.scrollLockKey) {
mval |= nsIDOMWindowUtils.MODIFIER_SCROLLLOCK;
}
if (aEvent.symbolKey) {
mval |= nsIDOMWindowUtils.MODIFIER_SYMBOL;
}
if (aEvent.symbolLockKey) {
mval |= nsIDOMWindowUtils.MODIFIER_SYMBOLLOCK;
}
if (aEvent.osKey) {
mval |= nsIDOMWindowUtils.MODIFIER_OS;
}
return mval;
}
/**
* Synthesize a mouse event on a target. The actual client point is determined
* by taking the aTarget's client box and offseting it by aOffsetX and
* aOffsetY. This allows mouse clicks to be simulated by calling this method.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
*
* If the type is specified, an mouse event of that type is fired. Otherwise,
* a mousedown followed by a mouse up is performed.
*
* aWindow is optional, and defaults to the current window object.
*
* Returns whether the event had preventDefault() called on it.
*/
function synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
return synthesizeMouseAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
aEvent, aWindow);
}
function synthesizeTouch(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
synthesizeTouchAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
aEvent, aWindow);
}
function synthesizePointer(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
return synthesizePointerAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
aEvent, aWindow);
}
/*
* Synthesize a mouse event at a particular point in aWindow.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
*
* If the type is specified, an mouse event of that type is fired. Otherwise,
* a mousedown followed by a mouse up is performed.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeMouseAtPoint(left, top, aEvent, aWindow = window)
{
var utils = _getDOMWindowUtils(aWindow);
var defaultPrevented = false;
if (utils) {
var button = computeButton(aEvent);
var clickCount = aEvent.clickCount || 1;
var modifiers = _parseModifiers(aEvent, aWindow);
var pressure = ("pressure" in aEvent) ? aEvent.pressure : 0;
var inputSource = ("inputSource" in aEvent) ? aEvent.inputSource : 0;
var isDOMEventSynthesized =
("isSynthesized" in aEvent) ? aEvent.isSynthesized : true;
var isWidgetEventSynthesized =
("isWidgetEventSynthesized" in aEvent) ? aEvent.isWidgetEventSynthesized : false;
var buttons = ("buttons" in aEvent) ? aEvent.buttons :
utils.MOUSE_BUTTONS_NOT_SPECIFIED;
if (("type" in aEvent) && aEvent.type) {
defaultPrevented = utils.sendMouseEvent(aEvent.type, left, top, button,
clickCount, modifiers, false,
pressure, inputSource,
isDOMEventSynthesized,
isWidgetEventSynthesized,
buttons);
}
else {
utils.sendMouseEvent("mousedown", left, top, button, clickCount, modifiers,
false, pressure, inputSource, isDOMEventSynthesized,
isWidgetEventSynthesized, buttons);
utils.sendMouseEvent("mouseup", left, top, button, clickCount, modifiers,
false, pressure, inputSource, isDOMEventSynthesized,
isWidgetEventSynthesized, buttons);
}
}
return defaultPrevented;
}
function synthesizeTouchAtPoint(left, top, aEvent, aWindow = window)
{
var utils = _getDOMWindowUtils(aWindow);
if (utils) {
var id = aEvent.id || 0;
var rx = aEvent.rx || 1;
var ry = aEvent.rx || 1;
var angle = aEvent.angle || 0;
var force = aEvent.force || 1;
var modifiers = _parseModifiers(aEvent, aWindow);
if (("type" in aEvent) && aEvent.type) {
utils.sendTouchEvent(aEvent.type, [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
}
else {
utils.sendTouchEvent("touchstart", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
utils.sendTouchEvent("touchend", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
}
}
}
function synthesizePointerAtPoint(left, top, aEvent, aWindow = window)
{
var utils = _getDOMWindowUtils(aWindow);
var defaultPrevented = false;
if (utils) {
var button = computeButton(aEvent);
var clickCount = aEvent.clickCount || 1;
var modifiers = _parseModifiers(aEvent, aWindow);
var pressure = ("pressure" in aEvent) ? aEvent.pressure : 0;
var inputSource = ("inputSource" in aEvent) ? aEvent.inputSource : 0;
var synthesized = ("isSynthesized" in aEvent) ? aEvent.isSynthesized : true;
var isPrimary = ("isPrimary" in aEvent) ? aEvent.isPrimary : false;
if (("type" in aEvent) && aEvent.type) {
defaultPrevented = utils.sendPointerEventToWindow(aEvent.type, left, top, button,
clickCount, modifiers, false,
pressure, inputSource,
synthesized, 0, 0, 0, 0, isPrimary);
}
else {
utils.sendPointerEventToWindow("pointerdown", left, top, button, clickCount, modifiers, false, pressure, inputSource);
utils.sendPointerEventToWindow("pointerup", left, top, button, clickCount, modifiers, false, pressure, inputSource);
}
}
return defaultPrevented;
}
// Call synthesizeMouse with coordinates at the center of aTarget.
function synthesizeMouseAtCenter(aTarget, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
return synthesizeMouse(aTarget, rect.width / 2, rect.height / 2, aEvent,
aWindow);
}
function synthesizeTouchAtCenter(aTarget, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
synthesizeTouch(aTarget, rect.width / 2, rect.height / 2, aEvent,
aWindow);
}
/**
* Synthesize a wheel event without flush layout at a particular point in
* aWindow.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, deltaX, deltaY, deltaZ,
* deltaMode, lineOrPageDeltaX, lineOrPageDeltaY, isMomentum,
* isNoLineOrPageDelta, isCustomizedByPrefs, expectedOverflowDeltaX,
* expectedOverflowDeltaY
*
* deltaMode must be defined, others are ok even if undefined.
*
* expectedOverflowDeltaX and expectedOverflowDeltaY take integer value. The
* value is just checked as 0 or positive or negative.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeWheelAtPoint(aLeft, aTop, aEvent, aWindow = window)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return;
}
var modifiers = _parseModifiers(aEvent, aWindow);
var options = 0;
if (aEvent.isNoLineOrPageDelta) {
options |= utils.WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE;
}
if (aEvent.isMomentum) {
options |= utils.WHEEL_EVENT_CAUSED_BY_MOMENTUM;
}
if (aEvent.isCustomizedByPrefs) {
options |= utils.WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS;
}
if (typeof aEvent.expectedOverflowDeltaX !== "undefined") {
if (aEvent.expectedOverflowDeltaX === 0) {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO;
} else if (aEvent.expectedOverflowDeltaX > 0) {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE;
} else {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE;
}
}
if (typeof aEvent.expectedOverflowDeltaY !== "undefined") {
if (aEvent.expectedOverflowDeltaY === 0) {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO;
} else if (aEvent.expectedOverflowDeltaY > 0) {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE;
} else {
options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE;
}
}
var isNoLineOrPageDelta = aEvent.isNoLineOrPageDelta;
// Avoid the JS warnings "reference to undefined property"
if (!aEvent.deltaX) {
aEvent.deltaX = 0;
}
if (!aEvent.deltaY) {
aEvent.deltaY = 0;
}
if (!aEvent.deltaZ) {
aEvent.deltaZ = 0;
}
var lineOrPageDeltaX =
aEvent.lineOrPageDeltaX != null ? aEvent.lineOrPageDeltaX :
aEvent.deltaX > 0 ? Math.floor(aEvent.deltaX) :
Math.ceil(aEvent.deltaX);
var lineOrPageDeltaY =
aEvent.lineOrPageDeltaY != null ? aEvent.lineOrPageDeltaY :
aEvent.deltaY > 0 ? Math.floor(aEvent.deltaY) :
Math.ceil(aEvent.deltaY);
utils.sendWheelEvent(aLeft, aTop,
aEvent.deltaX, aEvent.deltaY, aEvent.deltaZ,
aEvent.deltaMode, modifiers,
lineOrPageDeltaX, lineOrPageDeltaY, options);
}
/**
* Synthesize a wheel event on a target. The actual client point is determined
* by taking the aTarget's client box and offseting it by aOffsetX and
* aOffsetY.
*
* aEvent is an object which may contain the properties:
* shiftKey, ctrlKey, altKey, metaKey, accessKey, deltaX, deltaY, deltaZ,
* deltaMode, lineOrPageDeltaX, lineOrPageDeltaY, isMomentum,
* isNoLineOrPageDelta, isCustomizedByPrefs, expectedOverflowDeltaX,
* expectedOverflowDeltaY
*
* deltaMode must be defined, others are ok even if undefined.
*
* expectedOverflowDeltaX and expectedOverflowDeltaY take integer value. The
* value is just checked as 0 or positive or negative.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
{
var rect = aTarget.getBoundingClientRect();
synthesizeWheelAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
aEvent, aWindow);
}
/**
* This is a wrapper around synthesizeWheel that waits for the wheel event
* to be dispatched and for the subsequent layout/paints to be flushed.
*
* This requires including paint_listener.js. Tests must call
* DOMWindowUtils.restoreNormalRefresh() before finishing, if they use this
* function.
*
* If no callback is provided, the caller is assumed to have its own method of
* determining scroll completion and the refresh driver is not automatically
* restored.
*/
function sendWheelAndPaint(aTarget, aOffsetX, aOffsetY, aEvent, aCallback, aWindow = window) {
var utils = _getDOMWindowUtils(aWindow);
if (!utils)
return;
if (utils.isMozAfterPaintPending) {
// If a paint is pending, then APZ may be waiting for a scroll acknowledgement
// from the content thread. If we send a wheel event now, it could be ignored
// by APZ (or its scroll offset could be overridden). To avoid problems we
// just wait for the paint to complete.
aWindow.waitForAllPaintsFlushed(function() {
sendWheelAndPaint(aTarget, aOffsetX, aOffsetY, aEvent, aCallback, aWindow);
});
return;
}
var onwheel = function() {
SpecialPowers.removeSystemEventListener(window, "wheel", onwheel);
// Wait one frame since the wheel event has not caused a refresh observer
// to be added yet.
setTimeout(function() {
utils.advanceTimeAndRefresh(1000);
if (!aCallback) {
utils.advanceTimeAndRefresh(0);
return;
}
var waitForPaints = function () {
SpecialPowers.Services.obs.removeObserver(waitForPaints, "apz-repaints-flushed", false);
aWindow.waitForAllPaintsFlushed(function() {
utils.restoreNormalRefresh();
aCallback();
});
}
SpecialPowers.Services.obs.addObserver(waitForPaints, "apz-repaints-flushed", false);
if (!utils.flushApzRepaints(aWindow)) {
waitForPaints();
}
}, 0);
};
// Listen for the system wheel event, because it happens after all of
// the other wheel events, including legacy events.
SpecialPowers.addSystemEventListener(aWindow, "wheel", onwheel);
synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
}
function synthesizeNativeMouseMove(aTarget, aOffsetX, aOffsetY, aCallback, aWindow = window) {
var utils = _getDOMWindowUtils(aWindow);
if (!utils)
return;
var rect = aTarget.getBoundingClientRect();
var x = aOffsetX + window.mozInnerScreenX + rect.left;
var y = aOffsetY + window.mozInnerScreenY + rect.top;
var scale = utils.screenPixelsPerCSSPixel;
var observer = {
observe: (subject, topic, data) => {
if (aCallback && topic == "mouseevent") {
aCallback(data);
}
}
};
utils.sendNativeMouseMove(x * scale, y * scale, null, observer);
}
function _computeKeyCodeFromChar(aChar)
{
if (aChar.length != 1) {
return 0;
}
var KeyEvent = _EU_Ci.nsIDOMKeyEvent;
if (aChar >= 'a' && aChar <= 'z') {
return KeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'a'.charCodeAt(0);
}
if (aChar >= 'A' && aChar <= 'Z') {
return KeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'A'.charCodeAt(0);
}
if (aChar >= '0' && aChar <= '9') {
return KeyEvent.DOM_VK_0 + aChar.charCodeAt(0) - '0'.charCodeAt(0);
}
// returns US keyboard layout's keycode
switch (aChar) {
case '~':
case '`':
return KeyEvent.DOM_VK_BACK_QUOTE;
case '!':
return KeyEvent.DOM_VK_1;
case '@':
return KeyEvent.DOM_VK_2;
case '#':
return KeyEvent.DOM_VK_3;
case '$':
return KeyEvent.DOM_VK_4;
case '%':
return KeyEvent.DOM_VK_5;
case '^':
return KeyEvent.DOM_VK_6;
case '&':
return KeyEvent.DOM_VK_7;
case '*':
return KeyEvent.DOM_VK_8;
case '(':
return KeyEvent.DOM_VK_9;
case ')':
return KeyEvent.DOM_VK_0;
case '-':
case '_':
return KeyEvent.DOM_VK_SUBTRACT;
case '+':
case '=':
return KeyEvent.DOM_VK_EQUALS;
case '{':
case '[':
return KeyEvent.DOM_VK_OPEN_BRACKET;
case '}':
case ']':
return KeyEvent.DOM_VK_CLOSE_BRACKET;
case '|':
case '\\':
return KeyEvent.DOM_VK_BACK_SLASH;
case ':':
case ';':
return KeyEvent.DOM_VK_SEMICOLON;
case '\'':
case '"':
return KeyEvent.DOM_VK_QUOTE;
case '<':
case ',':
return KeyEvent.DOM_VK_COMMA;
case '>':
case '.':
return KeyEvent.DOM_VK_PERIOD;
case '?':
case '/':
return KeyEvent.DOM_VK_SLASH;
case '\n':
return KeyEvent.DOM_VK_RETURN;
case ' ':
return KeyEvent.DOM_VK_SPACE;
default:
return 0;
}
}
/**
* Synthesize a key event. It is targeted at whatever would be targeted by an
* actual keypress by the user, typically the focused element.
*
* aKey should be:
* - key value (recommended). If you specify a non-printable key name,
* append "KEY_" prefix. Otherwise, specifying a printable key, the
* key value should be specified.
* - keyCode name starting with "VK_" (e.g., VK_RETURN). This is available
* only for compatibility with legacy API. Don't use this with new tests.
*
* aEvent is an object which may contain the properties:
* - code: If you emulates a physical keyboard's key event, this should be
* specified.
* - repeat: If you emulates auto-repeat, you should set the count of repeat.
* This method will automatically synthesize keydown (and keypress).
* - location: If you want to specify this, you can specify this explicitly.
* However, if you don't specify this value, it will be computed
* from code value.
* - type: Basically, you shouldn't specify this. Then, this function will
* synthesize keydown (, keypress) and keyup.
* If keydown is specified, this only fires keydown (and keypress if
* it should be fired).
* If keyup is specified, this only fires keyup.
* - altKey, altGraphKey, ctrlKey, capsLockKey, fnKey, fnLockKey, numLockKey,
* metaKey, osKey, scrollLockKey, shiftKey, symbolKey, symbolLockKey:
* Basically, you shouldn't use these attributes. nsITextInputProcessor
* manages modifier key state when you synthesize modifier key events.
* However, if some of these attributes are true, this function activates
* the modifiers only during dispatching the key events.
* Note that if some of these values are false, they are ignored (i.e.,
* not inactivated with this function).
* - keyCode: Must be 0 - 255 (0xFF). If this is specified explicitly,
* .keyCode value is initialized with this value.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeKey(aKey, aEvent, aWindow = window)
{
var TIP = _getTIP(aWindow);
if (!TIP) {
return;
}
var KeyboardEvent = _getKeyboardEvent(aWindow);
var modifiers = _emulateToActivateModifiers(TIP, aEvent, aWindow);
var keyEventDict = _createKeyboardEventDictionary(aKey, aEvent, aWindow);
var keyEvent = new KeyboardEvent("", keyEventDict.dictionary);
var dispatchKeydown =
!("type" in aEvent) || aEvent.type === "keydown" || !aEvent.type;
var dispatchKeyup =
!("type" in aEvent) || aEvent.type === "keyup" || !aEvent.type;
try {
if (dispatchKeydown) {
TIP.keydown(keyEvent, keyEventDict.flags);
if ("repeat" in aEvent && aEvent.repeat > 1) {
keyEventDict.dictionary.repeat = true;
var repeatedKeyEvent = new KeyboardEvent("", keyEventDict.dictionary);
for (var i = 1; i < aEvent.repeat; i++) {
TIP.keydown(repeatedKeyEvent, keyEventDict.flags);
}
}
}
if (dispatchKeyup) {
TIP.keyup(keyEvent, keyEventDict.flags);
}
} finally {
_emulateToInactivateModifiers(TIP, modifiers, aWindow);
}
}
function _parseNativeModifiers(aModifiers, aWindow = window)
{
var navigator = _getNavigator(aWindow);
var modifiers;
if (aModifiers.capsLockKey) {
modifiers |= 0x00000001;
}
if (aModifiers.numLockKey) {
modifiers |= 0x00000002;
}
if (aModifiers.shiftKey) {
modifiers |= 0x00000100;
}
if (aModifiers.shiftRightKey) {
modifiers |= 0x00000200;
}
if (aModifiers.ctrlKey) {
modifiers |= 0x00000400;
}
if (aModifiers.ctrlRightKey) {
modifiers |= 0x00000800;
}
if (aModifiers.altKey) {
modifiers |= 0x00001000;
}
if (aModifiers.altRightKey) {
modifiers |= 0x00002000;
}
if (aModifiers.metaKey) {
modifiers |= 0x00004000;
}
if (aModifiers.metaRightKey) {
modifiers |= 0x00008000;
}
if (aModifiers.helpKey) {
modifiers |= 0x00010000;
}
if (aModifiers.fnKey) {
modifiers |= 0x00100000;
}
if (aModifiers.numericKeyPadKey) {
modifiers |= 0x01000000;
}
if (aModifiers.accelKey) {
modifiers |= _EU_isMac(aWindow) ? 0x00004000 : 0x00000400;
}
if (aModifiers.accelRightKey) {
modifiers |= _EU_isMac(aWindow) ? 0x00008000 : 0x00000800;
}
if (aModifiers.altGrKey) {
modifiers |= _EU_isWin(aWindow) ? 0x00002800 : 0x00001000;
}
return modifiers;
}
// Mac: Any unused number is okay for adding new keyboard layout.
// When you add new keyboard layout here, you need to modify
// TISInputSourceWrapper::InitByLayoutID().
// Win: These constants can be found by inspecting registry keys under
// HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Keyboard Layouts
const KEYBOARD_LAYOUT_ARABIC =
{ name: "Arabic", Mac: 6, Win: 0x00000401 };
const KEYBOARD_LAYOUT_ARABIC_PC =
{ name: "Arabic - PC", Mac: 7, Win: null };
const KEYBOARD_LAYOUT_BRAZILIAN_ABNT =
{ name: "Brazilian ABNT", Mac: null, Win: 0x00000416 };
const KEYBOARD_LAYOUT_DVORAK_QWERTY =
{ name: "Dvorak-QWERTY", Mac: 4, Win: null };
const KEYBOARD_LAYOUT_EN_US =
{ name: "US", Mac: 0, Win: 0x00000409 };
const KEYBOARD_LAYOUT_FRENCH =
{ name: "French", Mac: 8, Win: 0x0000040C };
const KEYBOARD_LAYOUT_GREEK =
{ name: "Greek", Mac: 1, Win: 0x00000408 };
const KEYBOARD_LAYOUT_GERMAN =
{ name: "German", Mac: 2, Win: 0x00000407 };
const KEYBOARD_LAYOUT_HEBREW =
{ name: "Hebrew", Mac: 9, Win: 0x0000040D };
const KEYBOARD_LAYOUT_JAPANESE =
{ name: "Japanese", Mac: null, Win: 0x00000411 };
const KEYBOARD_LAYOUT_KHMER =
{ name: "Khmer", Mac: null, Win: 0x00000453 }; // available on Win7 or later.
const KEYBOARD_LAYOUT_LITHUANIAN =
{ name: "Lithuanian", Mac: 10, Win: 0x00010427 };
const KEYBOARD_LAYOUT_NORWEGIAN =
{ name: "Norwegian", Mac: 11, Win: 0x00000414 };
const KEYBOARD_LAYOUT_RUSSIAN_MNEMONIC =
{ name: "Russian - Mnemonic", Mac: null, Win: 0x00020419 }; // available on Win8 or later.
const KEYBOARD_LAYOUT_SPANISH =
{ name: "Spanish", Mac: 12, Win: 0x0000040A };
const KEYBOARD_LAYOUT_SWEDISH =
{ name: "Swedish", Mac: 3, Win: 0x0000041D };
const KEYBOARD_LAYOUT_THAI =
{ name: "Thai", Mac: 5, Win: 0x0002041E };
/**
* synthesizeNativeKey() dispatches native key event on active window.
* This is implemented only on Windows and Mac. Note that this function
* dispatches the key event asynchronously and returns immediately. If a
* callback function is provided, the callback will be called upon
* completion of the key dispatch.
*
* @param aKeyboardLayout One of KEYBOARD_LAYOUT_* defined above.
* @param aNativeKeyCode A native keycode value defined in
* NativeKeyCodes.js.
* @param aModifiers Modifier keys. If no modifire key is pressed,
* this must be {}. Otherwise, one or more items
* referred in _parseNativeModifiers() must be
* true.
* @param aChars Specify characters which should be generated
* by the key event.
* @param aUnmodifiedChars Specify characters of unmodified (except Shift)
* aChar value.
* @param aCallback If provided, this callback will be invoked
* once the native keys have been processed
* by Gecko. Will never be called if this
* function returns false.
* @return True if this function succeed dispatching
* native key event. Otherwise, false.
*/
function synthesizeNativeKey(aKeyboardLayout, aNativeKeyCode, aModifiers,
aChars, aUnmodifiedChars, aCallback, aWindow = window)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return false;
}
var navigator = _getNavigator(aWindow);
var nativeKeyboardLayout = null;
if (_EU_isMac(aWindow)) {
nativeKeyboardLayout = aKeyboardLayout.Mac;
} else if (_EU_isWin(aWindow)) {
nativeKeyboardLayout = aKeyboardLayout.Win;
}
if (nativeKeyboardLayout === null) {
return false;
}
var observer = {
observe: function(aSubject, aTopic, aData) {
if (aCallback && aTopic == "keyevent") {
aCallback(aData);
}
}
};
utils.sendNativeKeyEvent(nativeKeyboardLayout, aNativeKeyCode,
_parseNativeModifiers(aModifiers, aWindow),
aChars, aUnmodifiedChars, observer);
return true;
}
var _gSeenEvent = false;
/**
* Indicate that an event with an original target of aExpectedTarget and
* a type of aExpectedEvent is expected to be fired, or not expected to
* be fired.
*/
function _expectEvent(aExpectedTarget, aExpectedEvent, aTestName)
{
if (!aExpectedTarget || !aExpectedEvent)
return null;
_gSeenEvent = false;
var type = (aExpectedEvent.charAt(0) == "!") ?
aExpectedEvent.substring(1) : aExpectedEvent;
var eventHandler = function(event) {
var epassed = (!_gSeenEvent && event.originalTarget == aExpectedTarget &&
event.type == type);
is(epassed, true, aTestName + " " + type + " event target " + (_gSeenEvent ? "twice" : ""));
_gSeenEvent = true;
};
aExpectedTarget.addEventListener(type, eventHandler, false);
return eventHandler;
}
/**
* Check if the event was fired or not. The event handler aEventHandler
* will be removed.
*/
function _checkExpectedEvent(aExpectedTarget, aExpectedEvent, aEventHandler, aTestName)
{
if (aEventHandler) {
var expectEvent = (aExpectedEvent.charAt(0) != "!");
var type = expectEvent ? aExpectedEvent : aExpectedEvent.substring(1);
aExpectedTarget.removeEventListener(type, aEventHandler, false);
var desc = type + " event";
if (!expectEvent)
desc += " not";
is(_gSeenEvent, expectEvent, aTestName + " " + desc + " fired");
}
_gSeenEvent = false;
}
/**
* Similar to synthesizeMouse except that a test is performed to see if an
* event is fired at the right target as a result.
*
* aExpectedTarget - the expected originalTarget of the event.
* aExpectedEvent - the expected type of the event, such as 'select'.
* aTestName - the test name when outputing results
*
* To test that an event is not fired, use an expected type preceded by an
* exclamation mark, such as '!select'. This might be used to test that a
* click on a disabled element doesn't fire certain events for instance.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeMouseExpectEvent(aTarget, aOffsetX, aOffsetY, aEvent,
aExpectedTarget, aExpectedEvent, aTestName,
aWindow)
{
var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
}
/**
* Similar to synthesizeKey except that a test is performed to see if an
* event is fired at the right target as a result.
*
* aExpectedTarget - the expected originalTarget of the event.
* aExpectedEvent - the expected type of the event, such as 'select'.
* aTestName - the test name when outputing results
*
* To test that an event is not fired, use an expected type preceded by an
* exclamation mark, such as '!select'.
*
* aWindow is optional, and defaults to the current window object.
*/
function synthesizeKeyExpectEvent(key, aEvent, aExpectedTarget, aExpectedEvent,
aTestName, aWindow)
{
var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
synthesizeKey(key, aEvent, aWindow);
_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
}
function disableNonTestMouseEvents(aDisable)
{
var domutils = _getDOMWindowUtils();
domutils.disableNonTestMouseEvents(aDisable);
}
function _getDOMWindowUtils(aWindow = window)
{
// Leave this here as something, somewhere, passes a falsy argument
// to this, causing the |window| default argument not to get picked up.
if (!aWindow) {
aWindow = window;
}
// we need parent.SpecialPowers for:
// layout/base/tests/test_reftests_with_caret.html
// chrome: toolkit/content/tests/chrome/test_findbar.xul
// chrome: toolkit/content/tests/chrome/test_popup_anchor.xul
if ("SpecialPowers" in window && window.SpecialPowers != undefined) {
return SpecialPowers.getDOMWindowUtils(aWindow);
}
if ("SpecialPowers" in parent && parent.SpecialPowers != undefined) {
return parent.SpecialPowers.getDOMWindowUtils(aWindow);
}
// TODO: this is assuming we are in chrome space
return aWindow
.QueryInterface(_EU_Ci.nsIInterfaceRequestor)
.getInterface(_EU_Ci.nsIDOMWindowUtils);
}
function _defineConstant(name, value) {
Object.defineProperty(this, name, {
value: value,
enumerable: true,
writable: false
});
}
const COMPOSITION_ATTR_RAW_CLAUSE =
_EU_Ci.nsITextInputProcessor.ATTR_RAW_CLAUSE;
_defineConstant("COMPOSITION_ATTR_RAW_CLAUSE", COMPOSITION_ATTR_RAW_CLAUSE);
const COMPOSITION_ATTR_SELECTED_RAW_CLAUSE =
_EU_Ci.nsITextInputProcessor.ATTR_SELECTED_RAW_CLAUSE;
_defineConstant("COMPOSITION_ATTR_SELECTED_RAW_CLAUSE", COMPOSITION_ATTR_SELECTED_RAW_CLAUSE);
const COMPOSITION_ATTR_CONVERTED_CLAUSE =
_EU_Ci.nsITextInputProcessor.ATTR_CONVERTED_CLAUSE;
_defineConstant("COMPOSITION_ATTR_CONVERTED_CLAUSE", COMPOSITION_ATTR_CONVERTED_CLAUSE);
const COMPOSITION_ATTR_SELECTED_CLAUSE =
_EU_Ci.nsITextInputProcessor.ATTR_SELECTED_CLAUSE;
_defineConstant("COMPOSITION_ATTR_SELECTED_CLAUSE", COMPOSITION_ATTR_SELECTED_CLAUSE);
var TIPMap = new WeakMap();
function _getTIP(aWindow, aCallback)
{
if (!aWindow) {
aWindow = window;
}
var tip;
if (TIPMap.has(aWindow)) {
tip = TIPMap.get(aWindow);
} else {
tip =
_EU_Cc["@mozilla.org/text-input-processor;1"].
createInstance(_EU_Ci.nsITextInputProcessor);
TIPMap.set(aWindow, tip);
}
if (!tip.beginInputTransactionForTests(aWindow, aCallback)) {
tip = null;
TIPMap.delete(aWindow);
}
return tip;
}
function _getKeyboardEvent(aWindow = window)
{
if (typeof KeyboardEvent != "undefined") {
try {
// See if the object can be instantiated; sometimes this yields
// 'TypeError: can't access dead object' or 'KeyboardEvent is not a constructor'.
new KeyboardEvent("", {});
return KeyboardEvent;
} catch (ex) {}
}
if (typeof content != "undefined" && ("KeyboardEvent" in content)) {
return content.KeyboardEvent;
}
return aWindow.KeyboardEvent;
}
function _getNavigator(aWindow = window)
{
if (typeof navigator != "undefined") {
return navigator;
}
return aWindow.navigator;
}
function _guessKeyNameFromKeyCode(aKeyCode, aWindow = window)
{
var KeyboardEvent = _getKeyboardEvent(aWindow);
switch (aKeyCode) {
case KeyboardEvent.DOM_VK_CANCEL:
return "Cancel";
case KeyboardEvent.DOM_VK_HELP:
return "Help";
case KeyboardEvent.DOM_VK_BACK_SPACE:
return "Backspace";
case KeyboardEvent.DOM_VK_TAB:
return "Tab";
case KeyboardEvent.DOM_VK_CLEAR:
return "Clear";
case KeyboardEvent.DOM_VK_RETURN:
return "Enter";
case KeyboardEvent.DOM_VK_SHIFT:
return "Shift";
case KeyboardEvent.DOM_VK_CONTROL:
return "Control";
case KeyboardEvent.DOM_VK_ALT:
return "Alt";
case KeyboardEvent.DOM_VK_PAUSE:
return "Pause";
case KeyboardEvent.DOM_VK_EISU:
return "Eisu";
case KeyboardEvent.DOM_VK_ESCAPE:
return "Escape";
case KeyboardEvent.DOM_VK_CONVERT:
return "Convert";
case KeyboardEvent.DOM_VK_NONCONVERT:
return "NonConvert";
case KeyboardEvent.DOM_VK_ACCEPT:
return "Accept";
case KeyboardEvent.DOM_VK_MODECHANGE:
return "ModeChange";
case KeyboardEvent.DOM_VK_PAGE_UP:
return "PageUp";
case KeyboardEvent.DOM_VK_PAGE_DOWN:
return "PageDown";
case KeyboardEvent.DOM_VK_END:
return "End";
case KeyboardEvent.DOM_VK_HOME:
return "Home";
case KeyboardEvent.DOM_VK_LEFT:
return "ArrowLeft";
case KeyboardEvent.DOM_VK_UP:
return "ArrowUp";
case KeyboardEvent.DOM_VK_RIGHT:
return "ArrowRight";
case KeyboardEvent.DOM_VK_DOWN:
return "ArrowDown";
case KeyboardEvent.DOM_VK_SELECT:
return "Select";
case KeyboardEvent.DOM_VK_PRINT:
return "Print";
case KeyboardEvent.DOM_VK_EXECUTE:
return "Execute";
case KeyboardEvent.DOM_VK_PRINTSCREEN:
return "PrintScreen";
case KeyboardEvent.DOM_VK_INSERT:
return "Insert";
case KeyboardEvent.DOM_VK_DELETE:
return "Delete";
case KeyboardEvent.DOM_VK_WIN:
return "OS";
case KeyboardEvent.DOM_VK_CONTEXT_MENU:
return "ContextMenu";
case KeyboardEvent.DOM_VK_SLEEP:
return "Standby";
case KeyboardEvent.DOM_VK_F1:
return "F1";
case KeyboardEvent.DOM_VK_F2:
return "F2";
case KeyboardEvent.DOM_VK_F3:
return "F3";
case KeyboardEvent.DOM_VK_F4:
return "F4";
case KeyboardEvent.DOM_VK_F5:
return "F5";
case KeyboardEvent.DOM_VK_F6:
return "F6";
case KeyboardEvent.DOM_VK_F7:
return "F7";
case KeyboardEvent.DOM_VK_F8:
return "F8";
case KeyboardEvent.DOM_VK_F9:
return "F9";
case KeyboardEvent.DOM_VK_F10:
return "F10";
case KeyboardEvent.DOM_VK_F11:
return "F11";
case KeyboardEvent.DOM_VK_F12:
return "F12";
case KeyboardEvent.DOM_VK_F13:
return "F13";
case KeyboardEvent.DOM_VK_F14:
return "F14";
case KeyboardEvent.DOM_VK_F15:
return "F15";
case KeyboardEvent.DOM_VK_F16:
return "F16";
case KeyboardEvent.DOM_VK_F17:
return "F17";
case KeyboardEvent.DOM_VK_F18:
return "F18";
case KeyboardEvent.DOM_VK_F19:
return "F19";
case KeyboardEvent.DOM_VK_F20:
return "F20";
case KeyboardEvent.DOM_VK_F21:
return "F21";
case KeyboardEvent.DOM_VK_F22:
return "F22";
case KeyboardEvent.DOM_VK_F23:
return "F23";
case KeyboardEvent.DOM_VK_F24:
return "F24";
case KeyboardEvent.DOM_VK_NUM_LOCK:
return "NumLock";
case KeyboardEvent.DOM_VK_SCROLL_LOCK:
return "ScrollLock";
case KeyboardEvent.DOM_VK_VOLUME_MUTE:
return "AudioVolumeMute";
case KeyboardEvent.DOM_VK_VOLUME_DOWN:
return "AudioVolumeDown";
case KeyboardEvent.DOM_VK_VOLUME_UP:
return "AudioVolumeUp";
case KeyboardEvent.DOM_VK_META:
return "Meta";
case KeyboardEvent.DOM_VK_ALTGR:
return "AltGraph";
case KeyboardEvent.DOM_VK_ATTN:
return "Attn";
case KeyboardEvent.DOM_VK_CRSEL:
return "CrSel";
case KeyboardEvent.DOM_VK_EXSEL:
return "ExSel";
case KeyboardEvent.DOM_VK_EREOF:
return "EraseEof";
case KeyboardEvent.DOM_VK_PLAY:
return "Play";
default:
return "Unidentified";
}
}
function _createKeyboardEventDictionary(aKey, aKeyEvent, aWindow = window) {
var result = { dictionary: null, flags: 0 };
var keyCodeIsDefined = "keyCode" in aKeyEvent;
var keyCode =
(keyCodeIsDefined && aKeyEvent.keyCode >= 0 && aKeyEvent.keyCode <= 255) ?
aKeyEvent.keyCode : 0;
var keyName = "Unidentified";
if (aKey.indexOf("KEY_") == 0) {
keyName = aKey.substr("KEY_".length);
result.flags |= _EU_Ci.nsITextInputProcessor.KEY_NON_PRINTABLE_KEY;
} else if (aKey.indexOf("VK_") == 0) {
keyCode = _EU_Ci.nsIDOMKeyEvent["DOM_" + aKey];
if (!keyCode) {
throw "Unknown key: " + aKey;
}
keyName = _guessKeyNameFromKeyCode(keyCode, aWindow);
result.flags |= _EU_Ci.nsITextInputProcessor.KEY_NON_PRINTABLE_KEY;
} else if (aKey != "") {
keyName = aKey;
if (!keyCodeIsDefined) {
keyCode = _computeKeyCodeFromChar(aKey.charAt(0));
}
if (!keyCode) {
result.flags |= _EU_Ci.nsITextInputProcessor.KEY_KEEP_KEYCODE_ZERO;
}
result.flags |= _EU_Ci.nsITextInputProcessor.KEY_FORCE_PRINTABLE_KEY;
}
var locationIsDefined = "location" in aKeyEvent;
if (locationIsDefined && aKeyEvent.location === 0) {
result.flags |= _EU_Ci.nsITextInputProcessor.KEY_KEEP_KEY_LOCATION_STANDARD;
}
result.dictionary = {
key: keyName,
code: "code" in aKeyEvent ? aKeyEvent.code : "",
location: locationIsDefined ? aKeyEvent.location : 0,
repeat: "repeat" in aKeyEvent ? aKeyEvent.repeat === true : false,
keyCode: keyCode,
};
return result;
}
function _emulateToActivateModifiers(aTIP, aKeyEvent, aWindow = window)
{
if (!aKeyEvent) {
return null;
}
var KeyboardEvent = _getKeyboardEvent(aWindow);
var navigator = _getNavigator(aWindow);
var modifiers = {
normal: [
{ key: "Alt", attr: "altKey" },
{ key: "AltGraph", attr: "altGraphKey" },
{ key: "Control", attr: "ctrlKey" },
{ key: "Fn", attr: "fnKey" },
{ key: "Meta", attr: "metaKey" },
{ key: "OS", attr: "osKey" },
{ key: "Shift", attr: "shiftKey" },
{ key: "Symbol", attr: "symbolKey" },
{ key: _EU_isMac(aWindow) ? "Meta" : "Control",
attr: "accelKey" },
],
lockable: [
{ key: "CapsLock", attr: "capsLockKey" },
{ key: "FnLock", attr: "fnLockKey" },
{ key: "NumLock", attr: "numLockKey" },
{ key: "ScrollLock", attr: "scrollLockKey" },
{ key: "SymbolLock", attr: "symbolLockKey" },
]
}
for (var i = 0; i < modifiers.normal.length; i++) {
if (!aKeyEvent[modifiers.normal[i].attr]) {
continue;
}
if (aTIP.getModifierState(modifiers.normal[i].key)) {
continue; // already activated.
}
var event = new KeyboardEvent("", { key: modifiers.normal[i].key });
aTIP.keydown(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
modifiers.normal[i].activated = true;
}
for (var i = 0; i < modifiers.lockable.length; i++) {
if (!aKeyEvent[modifiers.lockable[i].attr]) {
continue;
}
if (aTIP.getModifierState(modifiers.lockable[i].key)) {
continue; // already activated.
}
var event = new KeyboardEvent("", { key: modifiers.lockable[i].key });
aTIP.keydown(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
aTIP.keyup(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
modifiers.lockable[i].activated = true;
}
return modifiers;
}
function _emulateToInactivateModifiers(aTIP, aModifiers, aWindow = window)
{
if (!aModifiers) {
return;
}
var KeyboardEvent = _getKeyboardEvent(aWindow);
for (var i = 0; i < aModifiers.normal.length; i++) {
if (!aModifiers.normal[i].activated) {
continue;
}
var event = new KeyboardEvent("", { key: aModifiers.normal[i].key });
aTIP.keyup(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
}
for (var i = 0; i < aModifiers.lockable.length; i++) {
if (!aModifiers.lockable[i].activated) {
continue;
}
if (!aTIP.getModifierState(aModifiers.lockable[i].key)) {
continue; // who already inactivated this?
}
var event = new KeyboardEvent("", { key: aModifiers.lockable[i].key });
aTIP.keydown(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
aTIP.keyup(event,
aTIP.KEY_NON_PRINTABLE_KEY | aTIP.KEY_DONT_DISPATCH_MODIFIER_KEY_EVENT);
}
}
/**
* Synthesize a composition event.
*
* @param aEvent The composition event information. This must
* have |type| member. The value must be
* "compositionstart", "compositionend",
* "compositioncommitasis" or "compositioncommit".
* And also this may have |data| and |locale| which
* would be used for the value of each property of
* the composition event. Note that the |data| is
* ignored if the event type is "compositionstart"
* or "compositioncommitasis".
* If |key| is specified, the key event may be
* dispatched. This can emulates changing
* composition state caused by key operation.
* Its key value should start with "KEY_" if the
* value is non-printable key name defined in D3E.
* @param aWindow Optional (If null, current |window| will be used)
* @param aCallback Optional (If non-null, use the callback for
* receiving notifications to IME)
*/
function synthesizeComposition(aEvent, aWindow = window, aCallback)
{
var TIP = _getTIP(aWindow, aCallback);
if (!TIP) {
return false;
}
var KeyboardEvent = _getKeyboardEvent(aWindow);
var modifiers = _emulateToActivateModifiers(TIP, aEvent.key, aWindow);
var ret = false;
var keyEventDict =
"key" in aEvent ?
_createKeyboardEventDictionary(aEvent.key.key, aEvent.key, aWindow) :
{ dictionary: null, flags: 0 };
var keyEvent =
"key" in aEvent ?
new KeyboardEvent(aEvent.type === "keydown" ? "keydown" : "",
keyEventDict.dictionary) :
null;
try {
switch (aEvent.type) {
case "compositionstart":
ret = TIP.startComposition(keyEvent, keyEventDict.flags);
break;
case "compositioncommitasis":
ret = TIP.commitComposition(keyEvent, keyEventDict.flags);
break;
case "compositioncommit":
ret = TIP.commitCompositionWith(aEvent.data, keyEvent,
keyEventDict.flags);
break;
}
} finally {
_emulateToInactivateModifiers(TIP, modifiers, aWindow);
}
}
/**
* Synthesize a compositionchange event which causes a DOM text event and
* compositionupdate event if it's necessary.
*
* @param aEvent The compositionchange event's information, this has
* |composition| and |caret| members. |composition| has
* |string| and |clauses| members. |clauses| must be array
* object. Each object has |length| and |attr|. And |caret|
* has |start| and |length|. See the following tree image.
*
* aEvent
* +-- composition
* | +-- string
* | +-- clauses[]
* | +-- length
* | +-- attr
* +-- caret
* | +-- start
* | +-- length
* +-- key
*
* Set the composition string to |composition.string|. Set its
* clauses information to the |clauses| array.
*
* When it's composing, set the each clauses' length to the
* |composition.clauses[n].length|. The sum of the all length
* values must be same as the length of |composition.string|.
* Set nsICompositionStringSynthesizer.ATTR_* to the
* |composition.clauses[n].attr|.
*
* When it's not composing, set 0 to the
* |composition.clauses[0].length| and
* |composition.clauses[0].attr|.
*
* Set caret position to the |caret.start|. It's offset from
* the start of the composition string. Set caret length to
* |caret.length|. If it's larger than 0, it should be wide
* caret. However, current nsEditor doesn't support wide
* caret, therefore, you should always set 0 now.
*
* If |key| is specified, the key event may be dispatched.
* This can emulates changing composition state caused by key
* operation. Its key value should start with "KEY_" if the
* value is non-printable key name defined in D3E.
*
* @param aWindow Optional (If null, current |window| will be used)
* @param aCallback Optional (If non-null, use the callback for receiving
* notifications to IME)
*/
function synthesizeCompositionChange(aEvent, aWindow = window, aCallback)
{
var TIP = _getTIP(aWindow, aCallback);
if (!TIP) {
return;
}
var KeyboardEvent = _getKeyboardEvent(aWindow);
if (!aEvent.composition || !aEvent.composition.clauses ||
!aEvent.composition.clauses[0]) {
return;
}
TIP.setPendingCompositionString(aEvent.composition.string);
if (aEvent.composition.clauses[0].length) {
for (var i = 0; i < aEvent.composition.clauses.length; i++) {
switch (aEvent.composition.clauses[i].attr) {
case TIP.ATTR_RAW_CLAUSE:
case TIP.ATTR_SELECTED_RAW_CLAUSE:
case TIP.ATTR_CONVERTED_CLAUSE:
case TIP.ATTR_SELECTED_CLAUSE:
TIP.appendClauseToPendingComposition(
aEvent.composition.clauses[i].length,
aEvent.composition.clauses[i].attr);
break;
case 0:
// Ignore dummy clause for the argument.
break;
default:
throw new Error("invalid clause attribute specified");
break;
}
}
}
if (aEvent.caret) {
TIP.setCaretInPendingComposition(aEvent.caret.start);
}
var modifiers = _emulateToActivateModifiers(TIP, aEvent.key, aWindow);
try {
var keyEventDict =
"key" in aEvent ?
_createKeyboardEventDictionary(aEvent.key.key, aEvent.key, aWindow) :
{ dictionary: null, flags: 0 };
var keyEvent =
"key" in aEvent ?
new KeyboardEvent(aEvent.type === "keydown" ? "keydown" : "",
keyEventDict.dictionary) :
null;
TIP.flushPendingComposition(keyEvent, keyEventDict.flags);
} finally {
_emulateToInactivateModifiers(TIP, modifiers, aWindow);
}
}
// Must be synchronized with nsIDOMWindowUtils.
const QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK = 0x0000;
const QUERY_CONTENT_FLAG_USE_XP_LINE_BREAK = 0x0001;
const QUERY_CONTENT_FLAG_SELECTION_NORMAL = 0x0000;
const QUERY_CONTENT_FLAG_SELECTION_SPELLCHECK = 0x0002;
const QUERY_CONTENT_FLAG_SELECTION_IME_RAWINPUT = 0x0004;
const QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDRAWTEXT = 0x0008;
const QUERY_CONTENT_FLAG_SELECTION_IME_CONVERTEDTEXT = 0x0010;
const QUERY_CONTENT_FLAG_SELECTION_IME_SELECTEDCONVERTEDTEXT = 0x0020;
const QUERY_CONTENT_FLAG_SELECTION_ACCESSIBILITY = 0x0040;
const QUERY_CONTENT_FLAG_SELECTION_FIND = 0x0080;
const QUERY_CONTENT_FLAG_SELECTION_URLSECONDARY = 0x0100;
const QUERY_CONTENT_FLAG_SELECTION_URLSTRIKEOUT = 0x0200;
const QUERY_CONTENT_FLAG_OFFSET_RELATIVE_TO_INSERTION_POINT = 0x0400;
const SELECTION_SET_FLAG_USE_NATIVE_LINE_BREAK = 0x0000;
const SELECTION_SET_FLAG_USE_XP_LINE_BREAK = 0x0001;
const SELECTION_SET_FLAG_REVERSE = 0x0002;
/**
* Synthesize a query text content event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of getting text. If the length is too long,
* the extra length is ignored.
* @param aIsRelative Optional (If true, aOffset is relative to start of
* composition if there is, or start of selection.)
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryTextContent(aOffset, aLength, aIsRelative, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nullptr;
}
var flags = QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK;
if (aIsRelative === true) {
flags |= QUERY_CONTENT_FLAG_OFFSET_RELATIVE_TO_INSERTION_POINT;
}
return utils.sendQueryContentEvent(utils.QUERY_TEXT_CONTENT,
aOffset, aLength, 0, 0, flags);
}
/**
* Synthesize a query selected text event.
*
* @param aSelectionType Optional, one of QUERY_CONTENT_FLAG_SELECTION_*.
* If null, QUERY_CONTENT_FLAG_SELECTION_NORMAL will
* be used.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQuerySelectedText(aSelectionType, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return null;
}
var flags = QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK;
if (aSelectionType) {
flags |= aSelectionType;
}
return utils.sendQueryContentEvent(utils.QUERY_SELECTED_TEXT, 0, 0, 0, 0,
flags);
}
/**
* Synthesize a query caret rect event.
*
* @param aOffset The caret offset. 0 means left side of the first character
* in the selection root.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryCaretRect(aOffset, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return null;
}
return utils.sendQueryContentEvent(utils.QUERY_CARET_RECT,
aOffset, 0, 0, 0,
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
}
/**
* Synthesize a selection set event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of the text. If the length is too long,
* the extra length is ignored.
* @param aReverse If true, the selection is from |aOffset + aLength| to
* |aOffset|. Otherwise, from |aOffset| to |aOffset + aLength|.
* @param aWindow Optional (If null, current |window| will be used)
* @return True, if succeeded. Otherwise false.
*/
function synthesizeSelectionSet(aOffset, aLength, aReverse, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return false;
}
var flags = aReverse ? SELECTION_SET_FLAG_REVERSE : 0;
return utils.sendSelectionSetEvent(aOffset, aLength, flags);
}
/*
* Synthesize a native mouse click event at a particular point in screen.
* This function should be used only for testing native event loop.
* Use synthesizeMouse instead for most case.
*
* This works only on OS X. Throws an error on other OS. Also throws an error
* when the library or any of function are not found, or something goes wrong
* in native functions.
*/
function synthesizeNativeOSXClick(x, y)
{
var { ctypes } = _EU_Cu.import("resource://gre/modules/ctypes.jsm", {});
// Library
var CoreFoundation = ctypes.open("/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation");
var CoreGraphics = ctypes.open("/System/Library/Frameworks/CoreGraphics.framework/CoreGraphics");
// Contants
var kCGEventLeftMouseDown = 1;
var kCGEventLeftMouseUp = 2;
var kCGEventSourceStateHIDSystemState = 1;
var kCGHIDEventTap = 0;
var kCGMouseButtonLeft = 0;
var kCGMouseEventClickState = 1;
// Types
var CGEventField = ctypes.uint32_t;
var CGEventRef = ctypes.voidptr_t;
var CGEventSourceRef = ctypes.voidptr_t;
var CGEventSourceStateID = ctypes.uint32_t;
var CGEventTapLocation = ctypes.uint32_t;
var CGEventType = ctypes.uint32_t;
var CGFloat = ctypes.voidptr_t.size == 4 ? ctypes.float : ctypes.double;
var CGMouseButton = ctypes.uint32_t;
var CGPoint = new ctypes.StructType(
"CGPoint",
[ { "x" : CGFloat },
{ "y" : CGFloat } ]);
// Functions
var CGEventSourceCreate = CoreGraphics.declare(
"CGEventSourceCreate",
ctypes.default_abi,
CGEventSourceRef, CGEventSourceStateID);
var CGEventCreateMouseEvent = CoreGraphics.declare(
"CGEventCreateMouseEvent",
ctypes.default_abi,
CGEventRef,
CGEventSourceRef, CGEventType, CGPoint, CGMouseButton);
var CGEventSetIntegerValueField = CoreGraphics.declare(
"CGEventSetIntegerValueField",
ctypes.default_abi,
ctypes.void_t,
CGEventRef, CGEventField, ctypes.int64_t);
var CGEventPost = CoreGraphics.declare(
"CGEventPost",
ctypes.default_abi,
ctypes.void_t,
CGEventTapLocation, CGEventRef);
var CFRelease = CoreFoundation.declare(
"CFRelease",
ctypes.default_abi,
ctypes.void_t,
CGEventRef);
var source = CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
if (!source) {
throw new Error("CGEventSourceCreate returns null");
}
var loc = new CGPoint({ x: x, y: y });
var event = CGEventCreateMouseEvent(source, kCGEventLeftMouseDown, loc,
kCGMouseButtonLeft);
if (!event) {
throw new Error("CGEventCreateMouseEvent returns null");
}
CGEventSetIntegerValueField(event, kCGMouseEventClickState,
new ctypes.Int64(1));
CGEventPost(kCGHIDEventTap, event);
CFRelease(event);
event = CGEventCreateMouseEvent(source, kCGEventLeftMouseUp, loc,
kCGMouseButtonLeft);
if (!event) {
throw new Error("CGEventCreateMouseEvent returns null");
}
CGEventSetIntegerValueField(event, kCGMouseEventClickState,
new ctypes.Int64(1));
CGEventPost(kCGHIDEventTap, event);
CFRelease(event);
CFRelease(source);
CoreFoundation.close();
CoreGraphics.close();
}
/**
* Emulate a dragstart event.
* element - element to fire the dragstart event on
* expectedDragData - the data you expect the data transfer to contain afterwards
* This data is in the format:
* [ [ {type: value, data: value, test: function}, ... ], ... ]
* can be null
* aWindow - optional; defaults to the current window object.
* x - optional; initial x coordinate
* y - optional; initial y coordinate
* Returns null if data matches.
* Returns the event.dataTransfer if data does not match
*
* eqTest is an optional function if comparison can't be done with x == y;
* function (actualData, expectedData) {return boolean}
* @param actualData from dataTransfer
* @param expectedData from expectedDragData
* see bug 462172 for example of use
*
*/
function synthesizeDragStart(element, expectedDragData, aWindow, x, y)
{
if (!aWindow)
aWindow = window;
x = x || 2;
y = y || 2;
const step = 9;
var result = "trapDrag was not called";
var trapDrag = function(event) {
try {
// We must wrap only in plain mochitests, not chrome
var c = Object.getOwnPropertyDescriptor(window, 'Components');
var dataTransfer = c.value && !c.writable
? event.dataTransfer : SpecialPowers.wrap(event.dataTransfer);
result = null;
if (!dataTransfer)
throw "no dataTransfer";
if (expectedDragData == null ||
dataTransfer.mozItemCount != expectedDragData.length)
throw dataTransfer;
for (var i = 0; i < dataTransfer.mozItemCount; i++) {
var dtTypes = dataTransfer.mozTypesAt(i);
if (dtTypes.length != expectedDragData[i].length)
throw dataTransfer;
for (var j = 0; j < dtTypes.length; j++) {
if (dtTypes[j] != expectedDragData[i][j].type)
throw dataTransfer;
var dtData = dataTransfer.mozGetDataAt(dtTypes[j],i);
if (expectedDragData[i][j].eqTest) {
if (!expectedDragData[i][j].eqTest(dtData, expectedDragData[i][j].data))
throw dataTransfer;
}
else if (expectedDragData[i][j].data != dtData)
throw dataTransfer;
}
}
} catch(ex) {
result = ex;
}
event.preventDefault();
event.stopPropagation();
}
aWindow.addEventListener("dragstart", trapDrag, false);
synthesizeMouse(element, x, y, { type: "mousedown" }, aWindow);
x += step; y += step;
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
x += step; y += step;
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
aWindow.removeEventListener("dragstart", trapDrag, false);
synthesizeMouse(element, x, y, { type: "mouseup" }, aWindow);
return result;
}
/**
* Synthesize a query text rect event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of the text. If the length is too long,
* the extra length is ignored.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryTextRect(aOffset, aLength, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nullptr;
}
return utils.sendQueryContentEvent(utils.QUERY_TEXT_RECT,
aOffset, aLength, 0, 0,
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
}
/**
* Synthesize a query text rect array event.
*
* @param aOffset The character offset. 0 means the first character in the
* selection root.
* @param aLength The length of the text. If the length is too long,
* the extra length is ignored.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryTextRectArray(aOffset, aLength, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nullptr;
}
return utils.sendQueryContentEvent(utils.QUERY_TEXT_RECT_ARRAY,
aOffset, aLength, 0, 0,
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
}
/**
* Synthesize a query editor rect event.
*
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeQueryEditorRect(aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nullptr;
}
return utils.sendQueryContentEvent(utils.QUERY_EDITOR_RECT, 0, 0, 0, 0,
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
}
/**
* Synthesize a character at point event.
*
* @param aX, aY The offset in the client area of the DOM window.
* @param aWindow Optional (If null, current |window| will be used)
* @return An nsIQueryContentEventResult object. If this failed,
* the result might be null.
*/
function synthesizeCharAtPoint(aX, aY, aWindow)
{
var utils = _getDOMWindowUtils(aWindow);
if (!utils) {
return nullptr;
}
return utils.sendQueryContentEvent(utils.QUERY_CHARACTER_AT_POINT,
0, 0, aX, aY,
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
}
/**
* INTERNAL USE ONLY
* Create an event object to pass to sendDragEvent.
*
* @param aType The string represents drag event type.
* @param aDestElement The element to fire the drag event, used to calculate
* screenX/Y and clientX/Y.
* @param aDestWindow Optional; Defaults to the current window object.
* @param aDataTransfer dataTransfer for current drag session.
* @param aDragEvent The object contains properties to override the event
* object
* @return An object to pass to sendDragEvent.
*/
function createDragEventObject(aType, aDestElement, aDestWindow, aDataTransfer,
aDragEvent)
{
var destRect = aDestElement.getBoundingClientRect();
var destClientX = destRect.left + destRect.width / 2;
var destClientY = destRect.top + destRect.height / 2;
var destScreenX = aDestWindow.mozInnerScreenX + destClientX;
var destScreenY = aDestWindow.mozInnerScreenY + destClientY;
if ("clientX" in aDragEvent && !("screenX" in aDragEvent)) {
aDragEvent.screenX = aDestWindow.mozInnerScreenX + aDragEvent.clientX;
}
if ("clientY" in aDragEvent && !("screenY" in aDragEvent)) {
aDragEvent.screenY = aDestWindow.mozInnerScreenY + aDragEvent.clientY;
}
return Object.assign({ type: aType,
screenX: destScreenX, screenY: destScreenY,
clientX: destClientX, clientY: destClientY,
dataTransfer: aDataTransfer }, aDragEvent);
}
/**
* Emulate a event sequence of dragstart, dragenter, and dragover.
*
* @param aSrcElement The element to use to start the drag.
* @param aDestElement The element to fire the dragover, dragenter events
* @param aDragData The data to supply for the data transfer.
* This data is in the format:
* [ [ {type: value, data: value}, ...], ... ]
* Pass null to avoid modifying dataTransfer.
* @param aDropEffect The drop effect to set during the dragstart event, or
* 'move' if null.
* @param aWindow Optional; Defaults to the current window object.
* @param aDestWindow Optional; Defaults to aWindow.
* Used when aDestElement is in a different window than
* aSrcElement.
* @param aDragEvent Optional; Defaults to empty object. Overwrites an object
* passed to sendDragEvent.
* @return A two element array, where the first element is the
* value returned from sendDragEvent for
* dragover event, and the second element is the
* dataTransfer for the current drag session.
*/
function synthesizeDragOver(aSrcElement, aDestElement, aDragData, aDropEffect, aWindow, aDestWindow, aDragEvent={})
{
if (!aWindow) {
aWindow = window;
}
if (!aDestWindow) {
aDestWindow = aWindow;
}
var dataTransfer;
var trapDrag = function(event) {
dataTransfer = event.dataTransfer;
if (aDragData) {
for (var i = 0; i < aDragData.length; i++) {
var item = aDragData[i];
for (var j = 0; j < item.length; j++) {
dataTransfer.mozSetDataAt(item[j].type, item[j].data, i);
}
}
}
dataTransfer.dropEffect = aDropEffect || "move";
event.preventDefault();
};
// need to use real mouse action
aWindow.addEventListener("dragstart", trapDrag, true);
synthesizeMouseAtCenter(aSrcElement, { type: "mousedown" }, aWindow);
var rect = aSrcElement.getBoundingClientRect();
var x = rect.width / 2;
var y = rect.height / 2;
synthesizeMouse(aSrcElement, x, y, { type: "mousemove" }, aWindow);
synthesizeMouse(aSrcElement, x+10, y+10, { type: "mousemove" }, aWindow);
aWindow.removeEventListener("dragstart", trapDrag, true);
var event = createDragEventObject("dragenter", aDestElement, aDestWindow,
dataTransfer, aDragEvent);
sendDragEvent(event, aDestElement, aDestWindow);
event = createDragEventObject("dragover", aDestElement, aDestWindow,
dataTransfer, aDragEvent);
var result = sendDragEvent(event, aDestElement, aDestWindow);
return [result, dataTransfer];
}
/**
* Emulate the drop event and mouseup event.
* This should be called after synthesizeDragOver.
*
* @param aResult The first element of the array returned from
* synthesizeDragOver.
* @param aDataTransfer The second element of the array returned from
* synthesizeDragOver.
* @param aDestElement The element to fire the drop event.
* @param aDestWindow Optional; Defaults to the current window object.
* @param aDragEvent Optional; Defaults to empty object. Overwrites an
* object passed to sendDragEvent.
* @return "none" if aResult is true,
* aDataTransfer.dropEffect otherwise.
*/
function synthesizeDropAfterDragOver(aResult, aDataTransfer, aDestElement, aDestWindow, aDragEvent={})
{
if (!aDestWindow) {
aDestWindow = window;
}
var effect = aDataTransfer.dropEffect;
var event;
if (aResult) {
effect = "none";
} else if (effect != "none") {
event = createDragEventObject("drop", aDestElement, aDestWindow,
aDataTransfer, aDragEvent);
sendDragEvent(event, aDestElement, aDestWindow);
}
synthesizeMouseAtCenter(aDestElement, { type: "mouseup" }, aDestWindow);
return effect;
}
/**
* Emulate a drag and drop by emulating a dragstart and firing events dragenter,
* dragover, and drop.
*
* @param aSrcElement The element to use to start the drag.
* @param aDestElement The element to fire the dragover, dragenter events
* @param aDragData The data to supply for the data transfer.
* This data is in the format:
* [ [ {type: value, data: value}, ...], ... ]
* Pass null to avoid modifying dataTransfer.
* @param aDropEffect The drop effect to set during the dragstart event, or
* 'move' if null.
* @param aWindow Optional; Defaults to the current window object.
* @param aDestWindow Optional; Defaults to aWindow.
* Used when aDestElement is in a different window than
* aSrcElement.
* @param aDragEvent Optional; Defaults to empty object. Overwrites an object
* passed to sendDragEvent.
* @return The drop effect that was desired.
*/
function synthesizeDrop(aSrcElement, aDestElement, aDragData, aDropEffect, aWindow, aDestWindow, aDragEvent={})
{
if (!aWindow) {
aWindow = window;
}
if (!aDestWindow) {
aDestWindow = aWindow;
}
var ds = _EU_Cc["@mozilla.org/widget/dragservice;1"]
.getService(_EU_Ci.nsIDragService);
ds.startDragSession();
try {
var [result, dataTransfer] = synthesizeDragOver(aSrcElement, aDestElement,
aDragData, aDropEffect,
aWindow, aDestWindow,
aDragEvent);
return synthesizeDropAfterDragOver(result, dataTransfer, aDestElement,
aDestWindow, aDragEvent);
} finally {
ds.endDragSession(true);
}
}
var PluginUtils =
{
withTestPlugin : function(callback)
{
var ph = _EU_Cc["@mozilla.org/plugin/host;1"]
.getService(_EU_Ci.nsIPluginHost);
var tags = ph.getPluginTags();
// Find the test plugin
for (var i = 0; i < tags.length; i++) {
if (tags[i].name == "Test Plug-in") {
callback(tags[i]);
return true;
}
}
todo(false, "Need a test plugin on this platform");
return false;
}
};