mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 06:35:42 +00:00
313 lines
11 KiB
JavaScript
313 lines
11 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/**
|
|
* ChromeUtils.js is a set of mochitest utilities that are used to
|
|
* synthesize events in the browser. These are only used by
|
|
* mochitest-chrome and browser-chrome tests. Originally these functions were in
|
|
* EventUtils.js, but when porting to specialPowers, we didn't want
|
|
* to move unnecessary functions.
|
|
*
|
|
* ChromeUtils.js depends on EventUtils.js being loaded.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* 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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nullptr;
|
|
}
|
|
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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nullptr;
|
|
}
|
|
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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nullptr;
|
|
}
|
|
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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nullptr;
|
|
}
|
|
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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return nullptr;
|
|
}
|
|
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)
|
|
{
|
|
var utils = _getDOMWindowUtils(aWindow);
|
|
if (!utils) {
|
|
return false;
|
|
}
|
|
return utils.sendSelectionSetEvent(aOffset, aLength, aReverse);
|
|
}
|
|
|
|
/**
|
|
* Emulate a dragstart event.
|
|
* element - element to fire the dragstart event on
|
|
* expectedDragData - the data you expect the data transfer to contain afterwards
|
|
* This data is in the format:
|
|
* [ [ {type: value, data: value, test: function}, ... ], ... ]
|
|
* can be null
|
|
* aWindow - optional; defaults to the current window object.
|
|
* x - optional; initial x coordinate
|
|
* y - optional; initial y coordinate
|
|
* Returns null if data matches.
|
|
* Returns the event.dataTransfer if data does not match
|
|
*
|
|
* eqTest is an optional function if comparison can't be done with x == y;
|
|
* function (actualData, expectedData) {return boolean}
|
|
* @param actualData from dataTransfer
|
|
* @param expectedData from expectedDragData
|
|
* see bug 462172 for example of use
|
|
*
|
|
*/
|
|
function synthesizeDragStart(element, expectedDragData, aWindow, x, y)
|
|
{
|
|
if (!aWindow)
|
|
aWindow = window;
|
|
x = x || 2;
|
|
y = y || 2;
|
|
const step = 9;
|
|
|
|
var result = "trapDrag was not called";
|
|
var trapDrag = function(event) {
|
|
try {
|
|
var dataTransfer = event.dataTransfer;
|
|
result = null;
|
|
if (!dataTransfer)
|
|
throw "no dataTransfer";
|
|
if (expectedDragData == null ||
|
|
dataTransfer.mozItemCount != expectedDragData.length)
|
|
throw dataTransfer;
|
|
for (var i = 0; i < dataTransfer.mozItemCount; i++) {
|
|
var dtTypes = dataTransfer.mozTypesAt(i);
|
|
if (dtTypes.length != expectedDragData[i].length)
|
|
throw dataTransfer;
|
|
for (var j = 0; j < dtTypes.length; j++) {
|
|
if (dtTypes[j] != expectedDragData[i][j].type)
|
|
throw dataTransfer;
|
|
var dtData = dataTransfer.mozGetDataAt(dtTypes[j],i);
|
|
if (expectedDragData[i][j].eqTest) {
|
|
if (!expectedDragData[i][j].eqTest(dtData, expectedDragData[i][j].data))
|
|
throw dataTransfer;
|
|
}
|
|
else if (expectedDragData[i][j].data != dtData)
|
|
throw dataTransfer;
|
|
}
|
|
}
|
|
} catch(ex) {
|
|
result = ex;
|
|
}
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
}
|
|
aWindow.addEventListener("dragstart", trapDrag, false);
|
|
synthesizeMouse(element, x, y, { type: "mousedown" }, aWindow);
|
|
x += step; y += step;
|
|
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
|
|
x += step; y += step;
|
|
synthesizeMouse(element, x, y, { type: "mousemove" }, aWindow);
|
|
aWindow.removeEventListener("dragstart", trapDrag, false);
|
|
synthesizeMouse(element, x, y, { type: "mouseup" }, aWindow);
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
* eventUtils - optional; allows you to pass in a reference to EventUtils.js.
|
|
* If the eventUtils parameter is not passed in, we assume EventUtils.js is
|
|
* in the scope. Used by browser-chrome tests.
|
|
*
|
|
* Returns the drop effect that was desired.
|
|
*/
|
|
function synthesizeDrop(srcElement, destElement, dragData, dropEffect, aWindow, eventUtils)
|
|
{
|
|
if (!aWindow)
|
|
aWindow = window;
|
|
|
|
var synthesizeMouseAtCenter = (eventUtils || window).synthesizeMouseAtCenter;
|
|
var synthesizeMouse = (eventUtils || window).synthesizeMouse;
|
|
|
|
var gWindowUtils = window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
|
|
getInterface(Components.interfaces.nsIDOMWindowUtils);
|
|
var ds = Components.classes["@mozilla.org/widget/dragservice;1"].
|
|
getService(Components.interfaces.nsIDragService);
|
|
|
|
var dataTransfer;
|
|
var trapDrag = function(event) {
|
|
dataTransfer = event.dataTransfer;
|
|
for (var i = 0; i < dragData.length; i++) {
|
|
var item = dragData[i];
|
|
for (var j = 0; j < item.length; j++) {
|
|
dataTransfer.mozSetDataAt(item[j].type, item[j].data, i);
|
|
}
|
|
}
|
|
dataTransfer.dropEffect = dropEffect || "move";
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
}
|
|
|
|
ds.startDragSession();
|
|
|
|
try {
|
|
// need to use real mouse action
|
|
aWindow.addEventListener("dragstart", trapDrag, true);
|
|
synthesizeMouseAtCenter(srcElement, { type: "mousedown" }, aWindow);
|
|
|
|
var rect = srcElement.getBoundingClientRect();
|
|
var x = rect.width / 2;
|
|
var y = rect.height / 2;
|
|
synthesizeMouse(srcElement, x, y, { type: "mousemove" }, aWindow);
|
|
synthesizeMouse(srcElement, x+10, y+10, { type: "mousemove" }, aWindow);
|
|
aWindow.removeEventListener("dragstart", trapDrag, true);
|
|
|
|
event = aWindow.document.createEvent("DragEvents");
|
|
event.initDragEvent("dragenter", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
|
|
gWindowUtils.dispatchDOMEventViaPresShell(destElement, event, true);
|
|
|
|
var event = aWindow.document.createEvent("DragEvents");
|
|
event.initDragEvent("dragover", true, true, aWindow, 0, 0, 0, 0, 0, false, false, false, false, 0, null, dataTransfer);
|
|
if (gWindowUtils.dispatchDOMEventViaPresShell(destElement, event, true)) {
|
|
synthesizeMouseAtCenter(destElement, { type: "mouseup" }, aWindow);
|
|
return "none";
|
|
}
|
|
|
|
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);
|
|
gWindowUtils.dispatchDOMEventViaPresShell(destElement, event, true);
|
|
}
|
|
|
|
synthesizeMouseAtCenter(destElement, { type: "mouseup" }, aWindow);
|
|
|
|
return dataTransfer.dropEffect;
|
|
} finally {
|
|
ds.endDragSession(true);
|
|
}
|
|
};
|
|
|
|
var PluginUtils =
|
|
{
|
|
withTestPlugin : function(callback)
|
|
{
|
|
if (typeof Components == "undefined")
|
|
{
|
|
todo(false, "Not a Mozilla-based browser");
|
|
return false;
|
|
}
|
|
|
|
var ph = Components.classes["@mozilla.org/plugin/host;1"]
|
|
.getService(Components.interfaces.nsIPluginHost);
|
|
var tags = ph.getPluginTags();
|
|
|
|
// Find the test plugin
|
|
for (var i = 0; i < tags.length; i++)
|
|
{
|
|
if (tags[i].name == "Test Plug-in")
|
|
{
|
|
callback(tags[i]);
|
|
return true;
|
|
}
|
|
}
|
|
todo(false, "Need a test plugin on this platform");
|
|
return false;
|
|
}
|
|
};
|