mirror of
https://github.com/classilla/tenfourfox.git
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1608 lines
55 KiB
JavaScript
1608 lines
55 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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* sendDragEvent
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* sendChar
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* sendString
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* sendKey
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* sendWheelAndPaint
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* synthesizeMouse
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* synthesizeMouseAtCenter
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* synthesizePointer
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* synthesizeWheel
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* synthesizeKey
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* synthesizeNativeKey
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* synthesizeMouseExpectEvent
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* synthesizeKeyExpectEvent
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* synthesizeNativeClick
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*
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* When adding methods to this file, please add a performance test for it.
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*/
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// This file is used both in privileged and unprivileged contexts, so we have to
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// be careful about our access to Components.interfaces. We also want to avoid
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// naming collisions with anything that might be defined in the scope that imports
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// this script.
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window.__defineGetter__('_EU_Ci', function() {
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// Even if the real |Components| doesn't exist, we might shim in a simple JS
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// placebo for compat. An easy way to differentiate this from the real thing
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// is whether the property is read-only or not.
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var c = Object.getOwnPropertyDescriptor(window, 'Components');
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return c.value && !c.writable ? Components.interfaces : SpecialPowers.Ci;
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});
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window.__defineGetter__('_EU_Cc', function() {
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var c = Object.getOwnPropertyDescriptor(window, 'Components');
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return c.value && !c.writable ? Components.classes : SpecialPowers.Cc;
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});
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window.__defineGetter__('_EU_Cu', function() {
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var c = Object.getOwnPropertyDescriptor(window, 'Components');
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return c.value && !c.writable ? Components.utils : SpecialPowers.Cu;
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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 getElement(id) {
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return ((typeof(id) == "string") ?
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document.getElementById(id) : id);
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};
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this.$ = this.getElement;
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function computeButton(aEvent) {
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if (typeof aEvent.button != 'undefined') {
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return aEvent.button;
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}
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return aEvent.type == 'contextmenu' ? 2 : 0;
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}
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function sendMouseEvent(aEvent, aTarget, aWindow) {
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if (['click', 'contextmenu', 'dblclick', '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 (typeof aTarget == "string") {
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aTarget = aWindow.document.getElementById(aTarget);
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}
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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 :
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aEvent.type == 'dblclick'? 2 : 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 = computeButton(aEvent);
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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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return SpecialPowers.dispatchEvent(aWindow, aTarget, event);
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}
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/**
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* Send a drag 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 drag event object should
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* have. This includes the type of the drag event.
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*/
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function sendDragEvent(aEvent, aTarget, aWindow=window) {
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if (['drag', 'dragstart', 'dragend', 'dragover', 'dragenter', 'dragleave', 'drop'].indexOf(aEvent.type) == -1) {
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throw new Error("sendDragEvent doesn't know about event type '" + aEvent.type + "'");
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}
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if (typeof aTarget == "string") {
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aTarget = aWindow.document.getElementById(aTarget);
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}
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var event = aWindow.document.createEvent('DragEvent');
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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 || 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 = computeButton(aEvent);
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var relatedTargetArg = aEvent.relatedTarget || null;
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var dataTransfer = aEvent.dataTransfer || null;
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event.initDragEvent(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, dataTransfer);
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var utils = _getDOMWindowUtils(aWindow);
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return utils.dispatchDOMEventViaPresShell(aTarget, event, true);
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}
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/**
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* Send the char aChar to the focused element. This method handles casing of
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* chars (sends the right charcode, and sends a shift key for uppercase chars).
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* No other modifiers are handled at this point.
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*
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* For now this method only works for ASCII characters and emulates the shift
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* key state on US keyboard layout.
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*/
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function sendChar(aChar, aWindow) {
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var hasShift;
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// Emulate US keyboard layout for the shiftKey state.
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switch (aChar) {
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case "!":
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case "@":
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case "#":
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case "$":
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case "%":
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case "^":
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case "&":
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case "*":
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case "(":
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case ")":
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case "_":
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case "+":
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case "{":
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case "}":
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case ":":
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case "\"":
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case "|":
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case "<":
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case ">":
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case "?":
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hasShift = true;
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break;
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default:
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hasShift = (aChar == aChar.toUpperCase());
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break;
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}
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synthesizeKey(aChar, { shiftKey: hasShift }, aWindow);
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}
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/**
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* Send the string aStr to the focused element.
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*
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* For now this method only works for ASCII characters and emulates the shift
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* key state on US keyboard layout.
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*/
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function sendString(aStr, aWindow) {
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for (var i = 0; i < aStr.length; ++i) {
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sendChar(aStr.charAt(i), aWindow);
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}
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}
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/**
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* Send the non-character key aKey to the focused node.
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* The name of the key should be the part that comes after "DOM_VK_" in the
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* KeyEvent constant name for this key.
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* No modifiers are handled at this point.
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*/
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function sendKey(aKey, aWindow) {
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var keyName = "VK_" + aKey.toUpperCase();
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synthesizeKey(keyName, { shiftKey: false }, aWindow);
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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 nsIDOMWindowUtils = _EU_Ci.nsIDOMWindowUtils;
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var mval = 0;
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if (aEvent.shiftKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_SHIFT;
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}
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if (aEvent.ctrlKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_CONTROL;
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}
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if (aEvent.altKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_ALT;
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}
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if (aEvent.metaKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_META;
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}
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if (aEvent.accelKey) {
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mval |= (navigator.platform.indexOf("Mac") >= 0) ?
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nsIDOMWindowUtils.MODIFIER_META : nsIDOMWindowUtils.MODIFIER_CONTROL;
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}
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if (aEvent.altGrKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_ALTGRAPH;
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}
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if (aEvent.capsLockKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_CAPSLOCK;
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}
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if (aEvent.fnKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_FN;
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}
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if (aEvent.fnLockKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_FNLOCK;
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}
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if (aEvent.numLockKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_NUMLOCK;
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}
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if (aEvent.scrollLockKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_SCROLLLOCK;
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}
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if (aEvent.symbolKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_SYMBOL;
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}
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if (aEvent.symbolLockKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_SYMBOLLOCK;
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}
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if (aEvent.osKey) {
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mval |= nsIDOMWindowUtils.MODIFIER_OS;
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}
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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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* Returns whether the event had preventDefault() called on it.
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*/
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function synthesizeMouse(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
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var rect = aTarget.getBoundingClientRect();
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return synthesizeMouseAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
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aEvent, aWindow);
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}
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function synthesizeTouch(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
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var rect = aTarget.getBoundingClientRect();
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synthesizeTouchAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
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aEvent, aWindow);
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}
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function synthesizePointer(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
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var rect = aTarget.getBoundingClientRect();
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return synthesizePointerAtPoint(rect.left + aOffsetX, rect.top + aOffsetY,
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aEvent, aWindow);
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}
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/*
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* Synthesize a mouse event at a particular point in aWindow.
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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 synthesizeMouseAtPoint(left, top, aEvent, aWindow)
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{
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var utils = _getDOMWindowUtils(aWindow);
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var defaultPrevented = false;
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if (utils) {
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var button = computeButton(aEvent);
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var clickCount = aEvent.clickCount || 1;
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var modifiers = _parseModifiers(aEvent);
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var pressure = ("pressure" in aEvent) ? aEvent.pressure : 0;
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var inputSource = ("inputSource" in aEvent) ? aEvent.inputSource : 0;
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var synthesized = ("isSynthesized" in aEvent) ? aEvent.isSynthesized : true;
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if (("type" in aEvent) && aEvent.type) {
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defaultPrevented = utils.sendMouseEvent(aEvent.type, left, top, button,
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clickCount, modifiers, false,
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pressure, inputSource,
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synthesized);
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}
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else {
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utils.sendMouseEvent("mousedown", left, top, button, clickCount, modifiers, false, pressure, inputSource);
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utils.sendMouseEvent("mouseup", left, top, button, clickCount, modifiers, false, pressure, inputSource);
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}
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}
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return defaultPrevented;
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}
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function synthesizeTouchAtPoint(left, top, aEvent, aWindow)
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{
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var utils = _getDOMWindowUtils(aWindow);
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if (utils) {
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var id = aEvent.id || 0;
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var rx = aEvent.rx || 1;
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var ry = aEvent.rx || 1;
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var angle = aEvent.angle || 0;
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var force = aEvent.force || 1;
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var modifiers = _parseModifiers(aEvent);
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if (("type" in aEvent) && aEvent.type) {
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utils.sendTouchEvent(aEvent.type, [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
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}
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else {
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utils.sendTouchEvent("touchstart", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
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utils.sendTouchEvent("touchend", [id], [left], [top], [rx], [ry], [angle], [force], 1, modifiers);
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}
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}
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}
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function synthesizePointerAtPoint(left, top, aEvent, aWindow)
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{
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var utils = _getDOMWindowUtils(aWindow);
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var defaultPrevented = false;
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if (utils) {
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var button = computeButton(aEvent);
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var clickCount = aEvent.clickCount || 1;
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var modifiers = _parseModifiers(aEvent);
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var pressure = ("pressure" in aEvent) ? aEvent.pressure : 0;
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var inputSource = ("inputSource" in aEvent) ? aEvent.inputSource : 0;
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var synthesized = ("isSynthesized" in aEvent) ? aEvent.isSynthesized : true;
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var isPrimary = ("isPrimary" in aEvent) ? aEvent.isPrimary : false;
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if (("type" in aEvent) && aEvent.type) {
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defaultPrevented = utils.sendPointerEventToWindow(aEvent.type, left, top, button,
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clickCount, modifiers, false,
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pressure, inputSource,
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synthesized, 0, 0, 0, 0, isPrimary);
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}
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else {
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utils.sendPointerEventToWindow("pointerdown", left, top, button, clickCount, modifiers, false, pressure, inputSource);
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utils.sendPointerEventToWindow("pointerup", left, top, button, clickCount, modifiers, false, pressure, inputSource);
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}
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}
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return defaultPrevented;
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}
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// Call synthesizeMouse with coordinates at the center of aTarget.
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function synthesizeMouseAtCenter(aTarget, aEvent, aWindow)
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{
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var rect = aTarget.getBoundingClientRect();
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return synthesizeMouse(aTarget, rect.width / 2, rect.height / 2, aEvent,
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aWindow);
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}
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function synthesizeTouchAtCenter(aTarget, aEvent, aWindow)
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{
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var rect = aTarget.getBoundingClientRect();
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synthesizeTouch(aTarget, rect.width / 2, rect.height / 2, aEvent,
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aWindow);
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}
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/**
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* Synthesize a wheel 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, deltaX, deltaY, deltaZ,
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* deltaMode, lineOrPageDeltaX, lineOrPageDeltaY, isMomentum,
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* isNoLineOrPageDelta, isCustomizedByPrefs, expectedOverflowDeltaX,
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* expectedOverflowDeltaY
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*
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* deltaMode must be defined, others are ok even if undefined.
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*
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* expectedOverflowDeltaX and expectedOverflowDeltaY take integer value. The
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* value is just checked as 0 or positive or negative.
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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 synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow)
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{
|
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var utils = _getDOMWindowUtils(aWindow);
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if (!utils) {
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return;
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}
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var modifiers = _parseModifiers(aEvent);
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var options = 0;
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if (aEvent.isNoLineOrPageDelta) {
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options |= utils.WHEEL_EVENT_CAUSED_BY_NO_LINE_OR_PAGE_DELTA_DEVICE;
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}
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if (aEvent.isMomentum) {
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options |= utils.WHEEL_EVENT_CAUSED_BY_MOMENTUM;
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}
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if (aEvent.isCustomizedByPrefs) {
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options |= utils.WHEEL_EVENT_CUSTOMIZED_BY_USER_PREFS;
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}
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if (typeof aEvent.expectedOverflowDeltaX !== "undefined") {
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if (aEvent.expectedOverflowDeltaX === 0) {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_ZERO;
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} else if (aEvent.expectedOverflowDeltaX > 0) {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_POSITIVE;
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} else {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_X_NEGATIVE;
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}
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}
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if (typeof aEvent.expectedOverflowDeltaY !== "undefined") {
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if (aEvent.expectedOverflowDeltaY === 0) {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_ZERO;
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} else if (aEvent.expectedOverflowDeltaY > 0) {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_POSITIVE;
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} else {
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options |= utils.WHEEL_EVENT_EXPECTED_OVERFLOW_DELTA_Y_NEGATIVE;
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}
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}
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var isNoLineOrPageDelta = aEvent.isNoLineOrPageDelta;
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|
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// Avoid the JS warnings "reference to undefined property"
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if (!aEvent.deltaX) {
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aEvent.deltaX = 0;
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}
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if (!aEvent.deltaY) {
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aEvent.deltaY = 0;
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}
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if (!aEvent.deltaZ) {
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aEvent.deltaZ = 0;
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}
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var lineOrPageDeltaX =
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aEvent.lineOrPageDeltaX != null ? aEvent.lineOrPageDeltaX :
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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);
|
|
|
|
var rect = aTarget.getBoundingClientRect();
|
|
utils.sendWheelEvent(rect.left + aOffsetX, rect.top + aOffsetY,
|
|
aEvent.deltaX, aEvent.deltaY, aEvent.deltaZ,
|
|
aEvent.deltaMode, modifiers,
|
|
lineOrPageDeltaX, lineOrPageDeltaY, options);
|
|
}
|
|
|
|
/**
|
|
* 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) {
|
|
aWindow = 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() {
|
|
window.removeEventListener("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)
|
|
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);
|
|
};
|
|
|
|
aWindow.addEventListener("wheel", onwheel);
|
|
synthesizeWheel(aTarget, aOffsetX, aOffsetY, aEvent, aWindow);
|
|
}
|
|
|
|
function _computeKeyCodeFromChar(aChar)
|
|
{
|
|
if (aChar.length != 1) {
|
|
return 0;
|
|
}
|
|
const nsIDOMKeyEvent = _EU_Ci.nsIDOMKeyEvent;
|
|
if (aChar >= 'a' && aChar <= 'z') {
|
|
return nsIDOMKeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'a'.charCodeAt(0);
|
|
}
|
|
if (aChar >= 'A' && aChar <= 'Z') {
|
|
return nsIDOMKeyEvent.DOM_VK_A + aChar.charCodeAt(0) - 'A'.charCodeAt(0);
|
|
}
|
|
if (aChar >= '0' && aChar <= '9') {
|
|
return nsIDOMKeyEvent.DOM_VK_0 + aChar.charCodeAt(0) - '0'.charCodeAt(0);
|
|
}
|
|
// returns US keyboard layout's keycode
|
|
switch (aChar) {
|
|
case '~':
|
|
case '`':
|
|
return nsIDOMKeyEvent.DOM_VK_BACK_QUOTE;
|
|
case '!':
|
|
return nsIDOMKeyEvent.DOM_VK_1;
|
|
case '@':
|
|
return nsIDOMKeyEvent.DOM_VK_2;
|
|
case '#':
|
|
return nsIDOMKeyEvent.DOM_VK_3;
|
|
case '$':
|
|
return nsIDOMKeyEvent.DOM_VK_4;
|
|
case '%':
|
|
return nsIDOMKeyEvent.DOM_VK_5;
|
|
case '^':
|
|
return nsIDOMKeyEvent.DOM_VK_6;
|
|
case '&':
|
|
return nsIDOMKeyEvent.DOM_VK_7;
|
|
case '*':
|
|
return nsIDOMKeyEvent.DOM_VK_8;
|
|
case '(':
|
|
return nsIDOMKeyEvent.DOM_VK_9;
|
|
case ')':
|
|
return nsIDOMKeyEvent.DOM_VK_0;
|
|
case '-':
|
|
case '_':
|
|
return nsIDOMKeyEvent.DOM_VK_SUBTRACT;
|
|
case '+':
|
|
case '=':
|
|
return nsIDOMKeyEvent.DOM_VK_EQUALS;
|
|
case '{':
|
|
case '[':
|
|
return nsIDOMKeyEvent.DOM_VK_OPEN_BRACKET;
|
|
case '}':
|
|
case ']':
|
|
return nsIDOMKeyEvent.DOM_VK_CLOSE_BRACKET;
|
|
case '|':
|
|
case '\\':
|
|
return nsIDOMKeyEvent.DOM_VK_BACK_SLASH;
|
|
case ':':
|
|
case ';':
|
|
return nsIDOMKeyEvent.DOM_VK_SEMICOLON;
|
|
case '\'':
|
|
case '"':
|
|
return nsIDOMKeyEvent.DOM_VK_QUOTE;
|
|
case '<':
|
|
case ',':
|
|
return nsIDOMKeyEvent.DOM_VK_COMMA;
|
|
case '>':
|
|
case '.':
|
|
return nsIDOMKeyEvent.DOM_VK_PERIOD;
|
|
case '?':
|
|
case '/':
|
|
return nsIDOMKeyEvent.DOM_VK_SLASH;
|
|
case '\n':
|
|
return nsIDOMKeyEvent.DOM_VK_RETURN;
|
|
case ' ':
|
|
return nsIDOMKeyEvent.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)
|
|
{
|
|
var TIP = _getTIP(aWindow);
|
|
if (!TIP) {
|
|
return;
|
|
}
|
|
var modifiers = _emulateToActivateModifiers(TIP, aEvent);
|
|
var keyEventDict = _createKeyboardEventDictionary(aKey, aEvent);
|
|
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);
|
|
}
|
|
}
|
|
|
|
function _parseNativeModifiers(aModifiers)
|
|
{
|
|
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 |=
|
|
(navigator.platform.indexOf("Mac") == 0) ? 0x00004000 : 0x00000400;
|
|
}
|
|
if (aModifiers.accelRightKey) {
|
|
modifiers |=
|
|
(navigator.platform.indexOf("Mac") == 0) ? 0x00008000 : 0x00000800;
|
|
}
|
|
if (aModifiers.altGrKey) {
|
|
modifiers |=
|
|
(navigator.platform.indexOf("Win") == 0) ? 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_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: 7, 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: 8, Win: 0x0000040D };
|
|
const KEYBOARD_LAYOUT_JAPANESE =
|
|
{ name: "Japanese", Mac: null, Win: 0x00000411 };
|
|
const KEYBOARD_LAYOUT_LITHUANIAN =
|
|
{ name: "Lithuanian", Mac: 9, Win: 0x00010427 };
|
|
const KEYBOARD_LAYOUT_NORWEGIAN =
|
|
{ name: "Norwegian", Mac: 10, Win: 0x00000414 };
|
|
const KEYBOARD_LAYOUT_SPANISH =
|
|
{ name: "Spanish", Mac: 11, 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)
|
|
{
|
|
var utils = _getDOMWindowUtils(window);
|
|
if (!utils) {
|
|
return false;
|
|
}
|
|
var nativeKeyboardLayout = null;
|
|
if (navigator.platform.indexOf("Mac") == 0) {
|
|
nativeKeyboardLayout = aKeyboardLayout.Mac;
|
|
} else if (navigator.platform.indexOf("Win") == 0) {
|
|
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),
|
|
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)
|
|
{
|
|
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 _guessKeyNameFromKeyCode(aKeyCode)
|
|
{
|
|
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 "VolumeMute";
|
|
case KeyboardEvent.DOM_VK_VOLUME_DOWN:
|
|
return "VolumeDown";
|
|
case KeyboardEvent.DOM_VK_VOLUME_UP:
|
|
return "VolumeUp";
|
|
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)
|
|
{
|
|
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 = KeyEvent["DOM_" + aKey];
|
|
if (!keyCode) {
|
|
throw "Unknown key: " + aKey;
|
|
}
|
|
keyName = _guessKeyNameFromKeyCode(keyCode);
|
|
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)
|
|
{
|
|
if (!aKeyEvent) {
|
|
return null;
|
|
}
|
|
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: (navigator.platform.indexOf("Mac") >= 0) ? "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)
|
|
{
|
|
if (!aModifiers) {
|
|
return;
|
|
}
|
|
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, aCallback)
|
|
{
|
|
var TIP = _getTIP(aWindow, aCallback);
|
|
if (!TIP) {
|
|
return false;
|
|
}
|
|
var modifiers = _emulateToActivateModifiers(TIP, aEvent.key);
|
|
var ret = false;
|
|
var keyEventDict =
|
|
"key" in aEvent ?
|
|
_createKeyboardEventDictionary(aEvent.key.key, aEvent.key) :
|
|
{ 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);
|
|
}
|
|
}
|
|
/**
|
|
* 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, aCallback)
|
|
{
|
|
var TIP = _getTIP(aWindow, aCallback);
|
|
if (!TIP) {
|
|
return;
|
|
}
|
|
|
|
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);
|
|
try {
|
|
var keyEventDict =
|
|
"key" in aEvent ?
|
|
_createKeyboardEventDictionary(aEvent.key.key, aEvent.key) :
|
|
{ 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);
|
|
}
|
|
}
|
|
|
|
// Must be synchronized with nsIDOMWindowUtils.
|
|
const QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK = 0x0000;
|
|
const QUERY_CONTENT_FLAG_USE_XP_LINE_BREAK = 0x0001;
|
|
|
|
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 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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return null;
|
|
}
|
|
|
|
return utils.sendQueryContentEvent(utils.QUERY_SELECTED_TEXT, 0, 0, 0, 0,
|
|
QUERY_CONTENT_FLAG_USE_NATIVE_LINE_BREAK);
|
|
}
|
|
|
|
/**
|
|
* 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();
|
|
}
|