зеркало из https://github.com/mozilla/pjs.git
824 строки
28 KiB
JavaScript
824 строки
28 KiB
JavaScript
/**
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* EventUtils provides some utility methods for creating and sending DOM events.
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* Current methods:
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* sendMouseEvent
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* sendChar
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* sendString
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* sendKey
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*/
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/**
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* Send a mouse event to the node aTarget (aTarget can be an id, or an
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* actual node) . The "event" passed in to aEvent is just a JavaScript
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* object with the properties set that the real mouse event object should
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* have. This includes the type of the mouse event.
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* E.g. to send an click event to the node with id 'node' you might do this:
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*
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* sendMouseEvent({type:'click'}, 'node');
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*/
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function sendMouseEvent(aEvent, aTarget, aWindow) {
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if (['click', 'mousedown', 'mouseup', 'mouseover', 'mouseout'].indexOf(aEvent.type) == -1) {
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throw new Error("sendMouseEvent doesn't know about event type '"+aEvent.type+"'");
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}
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if (!aWindow) {
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aWindow = window;
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}
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if (!(aTarget instanceof Element)) {
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aTarget = aWindow.document.getElementById(aTarget);
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}
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// For events to trigger the UA's default actions they need to be "trusted"
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netscape.security.PrivilegeManager.enablePrivilege('UniversalBrowserWrite');
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var event = aWindow.document.createEvent('MouseEvent');
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var typeArg = aEvent.type;
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var canBubbleArg = true;
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var cancelableArg = true;
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var viewArg = aWindow;
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var detailArg = aEvent.detail || (aEvent.type == 'click' ||
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aEvent.type == 'mousedown' ||
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aEvent.type == 'mouseup' ? 1 : 0);
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var screenXArg = aEvent.screenX || 0;
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var screenYArg = aEvent.screenY || 0;
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var clientXArg = aEvent.clientX || 0;
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var clientYArg = aEvent.clientY || 0;
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var ctrlKeyArg = aEvent.ctrlKey || false;
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var altKeyArg = aEvent.altKey || false;
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var shiftKeyArg = aEvent.shiftKey || false;
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var metaKeyArg = aEvent.metaKey || false;
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var buttonArg = aEvent.button || 0;
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var relatedTargetArg = aEvent.relatedTarget || null;
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event.initMouseEvent(typeArg, canBubbleArg, cancelableArg, viewArg, detailArg,
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screenXArg, screenYArg, clientXArg, clientYArg,
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ctrlKeyArg, altKeyArg, shiftKeyArg, metaKeyArg,
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buttonArg, relatedTargetArg);
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aTarget.dispatchEvent(event);
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}
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/**
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* Send the char aChar to the node with id aTarget. If aTarget is not
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* provided, use "target". This method handles casing of chars (sends the
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* right charcode, and sends a shift key for uppercase chars). No other
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* modifiers are handled at this point.
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*
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* For now this method only works for English letters (lower and upper case)
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* and the digits 0-9.
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*
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* Returns true if the keypress event was accepted (no calls to preventDefault
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* or anything like that), false otherwise.
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*/
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function sendChar(aChar, aTarget) {
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// DOM event charcodes match ASCII (JS charcodes) for a-zA-Z0-9.
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var hasShift = (aChar == aChar.toUpperCase());
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var charCode = aChar.charCodeAt(0);
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var keyCode = charCode;
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if (!hasShift) {
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// For lowercase letters, the keyCode is actually 32 less than the charCode
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keyCode -= 0x20;
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}
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return __doEventDispatch(aTarget, charCode, keyCode, hasShift);
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}
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/**
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* Send the string aStr to the node with id aTarget. If aTarget is not
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* provided, use "target".
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*
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* For now this method only works for English letters (lower and upper case)
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* and the digits 0-9.
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*/
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function sendString(aStr, aTarget) {
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for (var i = 0; i < aStr.length; ++i) {
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sendChar(aStr.charAt(i), aTarget);
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}
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}
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/**
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* Send the non-character key aKey to the node with id aTarget. If aTarget is
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* not provided, use "target". The name of the key should be a lowercase
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* version of the part that comes after "DOM_VK_" in the KeyEvent constant
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* name for this key. No modifiers are handled at this point.
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*
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* Returns true if the keypress event was accepted (no calls to preventDefault
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* or anything like that), false otherwise.
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*/
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function sendKey(aKey, aTarget) {
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keyName = "DOM_VK_" + aKey.toUpperCase();
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if (!KeyEvent[keyName]) {
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throw "Unknown key: " + keyName;
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}
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return __doEventDispatch(aTarget, 0, KeyEvent[keyName], false);
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}
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/**
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* Actually perform event dispatch given a charCode, keyCode, and boolean for
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* whether "shift" was pressed. Send the event to the node with id aTarget. If
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* aTarget is not provided, use "target".
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*
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* Returns true if the keypress event was accepted (no calls to preventDefault
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* or anything like that), false otherwise.
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*/
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function __doEventDispatch(aTarget, aCharCode, aKeyCode, aHasShift) {
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if (aTarget === undefined) {
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aTarget = "target";
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}
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// Make our events trusted
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netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
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var event = document.createEvent("KeyEvents");
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event.initKeyEvent("keydown", true, true, document.defaultView,
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false, false, aHasShift, false,
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aKeyCode, 0);
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var accepted = $(aTarget).dispatchEvent(event);
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// Preventing the default keydown action also prevents the default
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// keypress action.
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event = document.createEvent("KeyEvents");
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if (aCharCode) {
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event.initKeyEvent("keypress", true, true, document.defaultView,
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false, false, aHasShift, false,
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0, aCharCode);
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} else {
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event.initKeyEvent("keypress", true, true, document.defaultView,
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false, false, aHasShift, false,
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aKeyCode, 0);
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}
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if (!accepted) {
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event.preventDefault();
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}
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accepted = $(aTarget).dispatchEvent(event);
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// Always send keyup
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var event = document.createEvent("KeyEvents");
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event.initKeyEvent("keyup", true, true, document.defaultView,
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false, false, aHasShift, false,
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aKeyCode, 0);
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$(aTarget).dispatchEvent(event);
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return accepted;
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}
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/**
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* Parse the key modifier flags from aEvent. Used to share code between
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* synthesizeMouse and synthesizeKey.
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*/
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function _parseModifiers(aEvent)
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{
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const masks = Components.interfaces.nsIDOMNSEvent;
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var mval = 0;
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if (aEvent.shiftKey)
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mval |= masks.SHIFT_MASK;
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if (aEvent.ctrlKey)
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mval |= masks.CONTROL_MASK;
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if (aEvent.altKey)
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mval |= masks.ALT_MASK;
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if (aEvent.metaKey)
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mval |= masks.META_MASK;
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if (aEvent.accelKey)
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mval |= (navigator.platform.indexOf("Mac") >= 0) ? masks.META_MASK :
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masks.CONTROL_MASK;
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return mval;
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}
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/**
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* Synthesize a mouse event on a target. The actual client point is determined
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* by taking the aTarget's client box and offseting it by aOffsetX and
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* aOffsetY. This allows mouse clicks to be simulated by calling this method.
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*
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* aEvent is an object which may contain the properties:
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* shiftKey, ctrlKey, altKey, metaKey, accessKey, clickCount, button, type
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*
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* If the type is specified, an mouse event of that type is fired. Otherwise,
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* a mousedown followed by a mouse up is performed.
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*
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* aWindow is optional, and defaults to the current window object.
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*/
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function synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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if (!aWindow)
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aWindow = window;
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var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
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getInterface(Components.interfaces.nsIDOMWindowUtils);
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if (utils) {
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var button = aEvent.button || 0;
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var clickCount = aEvent.clickCount || 1;
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var modifiers = _parseModifiers(aEvent);
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var rect = aTarget.getBoundingClientRect();
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var left = rect.left + aOffsetX;
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var top = rect.top + aOffsetY;
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if (aEvent.type) {
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utils.sendMouseEvent(aEvent.type, left, top, button, clickCount, modifiers);
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}
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else {
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utils.sendMouseEvent("mousedown", left, top, button, clickCount, modifiers);
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utils.sendMouseEvent("mouseup", left, top, button, clickCount, modifiers);
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}
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}
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}
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/**
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* Synthesize a mouse scroll event on a target. The actual client point is determined
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* by taking the aTarget's client box and offseting it by aOffsetX and
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* aOffsetY.
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*
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* aEvent is an object which may contain the properties:
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* shiftKey, ctrlKey, altKey, metaKey, accessKey, button, type, axis, delta, hasPixels
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*
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* If the type is specified, a mouse scroll event of that type is fired. Otherwise,
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* "DOMMouseScroll" is used.
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*
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* If the axis is specified, it must be one of "horizontal" or "vertical". If not specified,
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* "vertical" is used.
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*
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* 'delta' is the amount to scroll by (can be positive or negative). It must
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* be specified.
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*
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* 'hasPixels' specifies whether kHasPixels should be set in the scrollFlags.
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*
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* aWindow is optional, and defaults to the current window object.
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*/
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function synthesizeMouseScroll(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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if (!aWindow)
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aWindow = window;
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var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
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getInterface(Components.interfaces.nsIDOMWindowUtils);
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if (utils) {
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// See nsMouseScrollFlags in nsGUIEvent.h
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const kIsVertical = 0x02;
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const kIsHorizontal = 0x04;
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const kHasPixels = 0x08;
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var button = aEvent.button || 0;
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var modifiers = _parseModifiers(aEvent);
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var rect = aTarget.getBoundingClientRect();
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var left = rect.left;
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var top = rect.top;
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var type = aEvent.type || "DOMMouseScroll";
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var axis = aEvent.axis || "vertical";
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var scrollFlags = (axis == "horizontal") ? kIsHorizontal : kIsVertical;
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if (aEvent.hasPixels) {
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scrollFlags |= kHasPixels;
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}
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utils.sendMouseScrollEvent(type, left + aOffsetX, top + aOffsetY, button,
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scrollFlags, aEvent.delta, modifiers);
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}
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}
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/**
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* Synthesize a key event. It is targeted at whatever would be targeted by an
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* actual keypress by the user, typically the focused element.
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*
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* aKey should be either a character or a keycode starting with VK_ such as
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* VK_ENTER.
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*
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* aEvent is an object which may contain the properties:
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* shiftKey, ctrlKey, altKey, metaKey, accessKey, type
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*
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* If the type is specified, a key event of that type is fired. Otherwise,
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* a keydown, a keypress and then a keyup event are fired in sequence.
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*
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* aWindow is optional, and defaults to the current window object.
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*/
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function synthesizeKey(aKey, aEvent, aWindow)
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{
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netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
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if (!aWindow)
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aWindow = window;
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var utils = aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
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getInterface(Components.interfaces.nsIDOMWindowUtils);
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if (utils) {
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var keyCode = 0, charCode = 0;
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if (aKey.indexOf("VK_") == 0)
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keyCode = KeyEvent["DOM_" + aKey];
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else
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charCode = aKey.charCodeAt(0);
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var modifiers = _parseModifiers(aEvent);
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if (aEvent.type) {
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utils.sendKeyEvent(aEvent.type, keyCode, charCode, modifiers);
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}
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else {
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var keyDownDefaultHappened =
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utils.sendKeyEvent("keydown", keyCode, charCode, modifiers);
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utils.sendKeyEvent("keypress", keyCode, charCode, modifiers,
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!keyDownDefaultHappened);
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utils.sendKeyEvent("keyup", keyCode, charCode, modifiers);
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}
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}
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}
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var _gSeenEvent = false;
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/**
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* Indicate that an event with an original target of aExpectedTarget and
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* a type of aExpectedEvent is expected to be fired, or not expected to
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* be fired.
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*/
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function _expectEvent(aExpectedTarget, aExpectedEvent, aTestName)
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{
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if (!aExpectedTarget || !aExpectedEvent)
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return null;
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_gSeenEvent = false;
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var type = (aExpectedEvent.charAt(0) == "!") ?
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aExpectedEvent.substring(1) : aExpectedEvent;
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var eventHandler = function(event) {
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var epassed = (!_gSeenEvent && event.originalTarget == aExpectedTarget &&
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event.type == type);
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is(epassed, true, aTestName + " " + type + " event target " + (_gSeenEvent ? "twice" : ""));
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_gSeenEvent = true;
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};
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aExpectedTarget.addEventListener(type, eventHandler, false);
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return eventHandler;
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}
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/**
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* Check if the event was fired or not. The event handler aEventHandler
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* will be removed.
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*/
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function _checkExpectedEvent(aExpectedTarget, aExpectedEvent, aEventHandler, aTestName)
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{
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if (aEventHandler) {
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var expectEvent = (aExpectedEvent.charAt(0) != "!");
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var type = expectEvent ? aExpectedEvent : aExpectedEvent.substring(1);
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aExpectedTarget.removeEventListener(type, aEventHandler, false);
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var desc = type + " event";
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if (!expectEvent)
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desc += " not";
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is(_gSeenEvent, expectEvent, aTestName + " " + desc + " fired");
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}
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_gSeenEvent = false;
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}
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/**
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* Similar to synthesizeMouse except that a test is performed to see if an
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* event is fired at the right target as a result.
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*
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* aExpectedTarget - the expected originalTarget of the event.
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* aExpectedEvent - the expected type of the event, such as 'select'.
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* aTestName - the test name when outputing results
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*
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* To test that an event is not fired, use an expected type preceded by an
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* exclamation mark, such as '!select'. This might be used to test that a
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* click on a disabled element doesn't fire certain events for instance.
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*
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* aWindow is optional, and defaults to the current window object.
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*/
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function synthesizeMouseExpectEvent(aTarget, aOffsetX, aOffsetY, aEvent,
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aExpectedTarget, aExpectedEvent, aTestName,
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aWindow)
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{
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var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
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synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
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_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
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}
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/**
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* Similar to synthesizeKey except that a test is performed to see if an
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* event is fired at the right target as a result.
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*
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* aExpectedTarget - the expected originalTarget of the event.
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* aExpectedEvent - the expected type of the event, such as 'select'.
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* aTestName - the test name when outputing results
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*
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* To test that an event is not fired, use an expected type preceded by an
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* exclamation mark, such as '!select'.
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*
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* aWindow is optional, and defaults to the current window object.
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*/
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function synthesizeKeyExpectEvent(key, aEvent, aExpectedTarget, aExpectedEvent,
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aTestName, aWindow)
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{
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var eventHandler = _expectEvent(aExpectedTarget, aExpectedEvent, aTestName);
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synthesizeKey(key, aEvent, aWindow);
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_checkExpectedEvent(aExpectedTarget, aExpectedEvent, eventHandler, aTestName);
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}
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/**
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* Emulate a dragstart event.
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* element - element to fire the dragstart event on
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* expectedDragData - the data you expect the data transfer to contain afterwards
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* This data is in the format:
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* [ [ {type: value, data: value, test: function}, ... ], ... ]
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* can be null
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* aWindow - optional; defaults to the current window object.
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* x - optional; initial x coordinate
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* y - optional; initial y coordinate
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* Returns null if data matches.
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* Returns the event.dataTransfer if data does not match
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*
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* eqTest is an optional function if comparison can't be done with x == y;
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* function (actualData, expectedData) {return boolean}
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* @param actualData from dataTransfer
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* @param expectedData from expectedDragData
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* see bug 462172 for example of use
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*
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*/
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function synthesizeDragStart(element, expectedDragData, aWindow, x, y)
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{
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if (!aWindow)
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aWindow = window;
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x = x || 2;
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y = y || 2;
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const step = 9;
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var result = "trapDrag was not called";
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var trapDrag = function(event) {
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try {
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var dataTransfer = event.dataTransfer;
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result = null;
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if (!dataTransfer)
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throw "no dataTransfer";
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if (expectedDragData == null ||
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dataTransfer.mozItemCount != expectedDragData.length)
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throw dataTransfer;
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for (var i = 0; i < dataTransfer.mozItemCount; i++) {
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var dtTypes = dataTransfer.mozTypesAt(i);
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if (dtTypes.length != expectedDragData[i].length)
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throw dataTransfer;
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for (var j = 0; j < dtTypes.length; j++) {
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if (dtTypes[j] != expectedDragData[i][j].type)
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throw dataTransfer;
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var dtData = dataTransfer.mozGetDataAt(dtTypes[j],i);
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if (expectedDragData[i][j].eqTest) {
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if (!expectedDragData[i][j].eqTest(dtData, expectedDragData[i][j].data))
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throw dataTransfer;
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}
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else if (expectedDragData[i][j].data != dtData)
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throw dataTransfer;
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}
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}
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} catch(ex) {
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result = ex;
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}
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event.preventDefault();
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event.stopPropagation();
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}
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aWindow.addEventListener("dragstart", trapDrag, false);
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synthesizeMouse(element, x, y, { type: "mousedown" }, aWindow);
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x += step; y += step;
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synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
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x += step; y += step;
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synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
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aWindow.removeEventListener("dragstart", trapDrag, false);
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synthesizeMouse(element, x, y, { type: "mouseup" }, aWindow);
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return result;
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}
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/**
|
|
* Emulate a drop by emulating a dragstart and firing events dragenter, dragover, and drop.
|
|
* srcElement - the element to use to start the drag, usually the same as destElement
|
|
* but if destElement isn't suitable to start a drag on pass a suitable
|
|
* element for srcElement
|
|
* destElement - the element to fire the dragover, dragleave and drop events
|
|
* dragData - the data to supply for the data transfer
|
|
* This data is in the format:
|
|
* [ [ {type: value, data: value}, ...], ... ]
|
|
* dropEffect - the drop effect to set during the dragstart event, or 'move' if null
|
|
* aWindow - optional; defaults to the current window object.
|
|
*
|
|
* Returns the drop effect that was desired.
|
|
*/
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function synthesizeDrop(srcElement, destElement, dragData, dropEffect, aWindow)
|
|
{
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|
if (!aWindow)
|
|
aWindow = window;
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|
|
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var dataTransfer;
|
|
var trapDrag = function(event) {
|
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dataTransfer = event.dataTransfer;
|
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for (var i = 0; i < dragData.length; i++) {
|
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var item = dragData[i];
|
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for (var j = 0; j < item.length; j++) {
|
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dataTransfer.mozSetDataAt(item[j].type, item[j].data, i);
|
|
}
|
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}
|
|
dataTransfer.dropEffect = dropEffect || "move";
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
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}
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|
|
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// need to use real mouse action
|
|
aWindow.addEventListener("dragstart", trapDrag, true);
|
|
synthesizeMouse(srcElement, 2, 2, { type: "mousedown" }, aWindow);
|
|
synthesizeMouse(srcElement, 11, 11, { type: "mousemove" }, aWindow);
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synthesizeMouse(srcElement, 20, 20, { type: "mousemove" }, aWindow);
|
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aWindow.removeEventListener("dragstart", trapDrag, true);
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|
|
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event = aWindow.document.createEvent("DragEvents");
|
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event.initDragEvent("dragenter", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
|
|
destElement.dispatchEvent(event);
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|
|
|
var event = aWindow.document.createEvent("DragEvents");
|
|
event.initDragEvent("dragover", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
|
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if (destElement.dispatchEvent(event)) {
|
|
synthesizeMouse(destElement, 20, 20, { type: "mouseup" }, aWindow);
|
|
return "none";
|
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}
|
|
|
|
if (dataTransfer.dropEffect != "none") {
|
|
event = aWindow.document.createEvent("DragEvents");
|
|
event.initDragEvent("drop", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
|
|
destElement.dispatchEvent(event);
|
|
}
|
|
synthesizeMouse(destElement, 20, 20, { type: "mouseup" }, aWindow);
|
|
|
|
return dataTransfer.dropEffect;
|
|
}
|
|
|
|
function disableNonTestMouseEvents(aDisable)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils =
|
|
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
|
|
getInterface(Components.interfaces.nsIDOMWindowUtils);
|
|
if (utils)
|
|
utils.disableNonTestMouseEvents(aDisable);
|
|
}
|
|
|
|
function _getDOMWindowUtils(aWindow)
|
|
{
|
|
if (!aWindow) {
|
|
aWindow = window;
|
|
}
|
|
return aWindow.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
|
|
getInterface(Components.interfaces.nsIDOMWindowUtils);
|
|
}
|
|
|
|
/**
|
|
* Synthesize a composition event.
|
|
*
|
|
* @param aIsCompositionStart If true, this synthesize compositionstart event.
|
|
* Otherwise, compositionend event.
|
|
* @param aWindow Optional (If null, current |window| will be used)
|
|
*/
|
|
function synthesizeComposition(aIsCompositionStart, aWindow)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return;
|
|
}
|
|
|
|
utils.sendCompositionEvent(aIsCompositionStart ?
|
|
"compositionstart" : "compositionend");
|
|
}
|
|
|
|
/**
|
|
* Synthesize a text event.
|
|
*
|
|
* @param aEvent The text 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
|
|
*
|
|
* 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 nsIDOMWindowUtils.COMPOSITION_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.
|
|
*
|
|
* @param aWindow Optional (If null, current |window| will be used)
|
|
*/
|
|
function synthesizeText(aEvent, aWindow)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return;
|
|
}
|
|
|
|
if (!aEvent.composition || !aEvent.composition.clauses ||
|
|
!aEvent.composition.clauses[0]) {
|
|
return;
|
|
}
|
|
|
|
var firstClauseLength = aEvent.composition.clauses[0].length;
|
|
var firstClauseAttr = aEvent.composition.clauses[0].attr;
|
|
var secondClauseLength = 0;
|
|
var secondClauseAttr = 0;
|
|
var thirdClauseLength = 0;
|
|
var thirdClauseAttr = 0;
|
|
if (aEvent.composition.clauses[1]) {
|
|
secondClauseLength = aEvent.composition.clauses[1].length;
|
|
secondClauseAttr = aEvent.composition.clauses[1].attr;
|
|
if (aEvent.composition.clauses[2]) {
|
|
thirdClauseLength = aEvent.composition.clauses[2].length;
|
|
thirdClauseAttr = aEvent.composition.clauses[2].attr;
|
|
}
|
|
}
|
|
|
|
var caretStart = -1;
|
|
var caretLength = 0;
|
|
if (aEvent.caret) {
|
|
caretStart = aEvent.caret.start;
|
|
caretLength = aEvent.caret.length;
|
|
}
|
|
|
|
utils.sendTextEvent(aEvent.composition.string,
|
|
firstClauseLength, firstClauseAttr,
|
|
secondClauseLength, secondClauseAttr,
|
|
thirdClauseLength, thirdClauseAttr,
|
|
caretStart, caretLength);
|
|
}
|
|
|
|
/**
|
|
* Synthesize a query selected text event.
|
|
*
|
|
* @param aWindow Optional (If null, current |window| will be used)
|
|
* @return An nsIQueryContentEventResult object. If this failed,
|
|
* the result might be null.
|
|
*/
|
|
function synthesizeQuerySelectedText(aWindow)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_SELECTED_TEXT, 0, 0, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* 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 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, aWindow)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_TEXT_CONTENT,
|
|
aOffset, aLength, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_CARET_RECT,
|
|
aOffset, 0, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_TEXT_RECT,
|
|
aOffset, aLength, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_EDITOR_RECT, 0, 0, 0, 0);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nsnull;
|
|
}
|
|
return utils.sendQueryContentEvent(utils.QUERY_CHARACTER_AT_POINT,
|
|
0, 0, aX, aY);
|
|
}
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
|
|
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return false;
|
|
}
|
|
return utils.sendSelectionSetEvent(aOffset, aLength, aReverse);
|
|
}
|