Bug 375008 - Clicking a disabled element should not cause a focus change. r=Enn

This commit is contained in:
Mounir Lamouri 2013-03-01 00:15:59 +00:00
Родитель 8955d98214
Коммит f489fdedf7
6 изменённых файлов: 175 добавлений и 21 удалений

Просмотреть файл

@ -3131,8 +3131,38 @@ nsEventStateManager::PostHandleEvent(nsPresContext* aPresContext,
if (mCurrentTarget) {
mCurrentTarget->GetContentForEvent(aEvent, getter_AddRefs(newFocus));
const nsStyleUserInterface* ui = mCurrentTarget->StyleUserInterface();
suppressBlur = (ui->mUserFocus == NS_STYLE_USER_FOCUS_IGNORE);
activeContent = mCurrentTarget->GetContent();
// In some cases, we do not want to even blur the current focused
// element. Those cases are:
// 1. -moz-user-focus CSS property is set to 'ignore';
// 2. Element with NS_EVENT_STATE_DISABLED
// (aka :disabled pseudo-class for HTML element);
// 3. XUL control element has the disabled property set to 'true'.
//
// We can't use nsIFrame::IsFocusable() because we want to blur when
// we click on a visibility: none element.
// We can't use nsIContent::IsFocusable() because we want to blur when
// we click on a non-focusable element like a <div>.
// We have to use |aEvent->target| to not make sure we do not check an
// anonymous node of the targeted element.
suppressBlur = (ui->mUserFocus == NS_STYLE_USER_FOCUS_IGNORE);
if (!suppressBlur) {
nsCOMPtr<Element> element = do_QueryInterface(aEvent->target);
suppressBlur = element &&
element->State().HasState(NS_EVENT_STATE_DISABLED);
}
if (!suppressBlur) {
nsCOMPtr<nsIDOMXULControlElement> xulControl =
do_QueryInterface(aEvent->target);
if (xulControl) {
bool disabled;
xulControl->GetDisabled(&disabled);
suppressBlur = disabled;
}
}
}
nsIFrame* currFrame = mCurrentTarget;

Просмотреть файл

@ -101,6 +101,7 @@ MOCHITEST_FILES = \
test_dragstart.html \
test_bug812744.html \
test_addEventListenerExtraArg.html \
test_focus_disabled.html \
$(NULL)
MOCHITEST_CHROME_FILES = \

Просмотреть файл

@ -0,0 +1,124 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=375008
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 375008</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=375008">Mozilla Bug 375008</a>
<p id="display"></p>
<div id="content">
<div>
<input id='witness'>
</div>
<div id='not-focusable'>
<!-- Disabled elements -->
<button hidden disabled>foo</button>
<input hidden disabled>
<fieldset hidden disabled>foo</fieldset>
<select hidden disabled><option>foo</option></select>
<textarea hidden disabled></textarea>
<optgroup hidden disabled><option>foo</option></optgroup>
<option hidden disabled>foo</option>
</div>
<div id='focusable'>
<button hidden>foo</button>
<input hidden>
<select hidden><option>foo</option></select>
<textarea hidden></textarea>
<!-- Those elements are not focusable by default. -->
<fieldset tabindex=1 hidden>foo</fieldset>
<optgroup tabindex=1 hidden><option>foo</option></optgroup>
<option tabindex=1 hidden>foo</option>
</div>
<!-- Hidden elements, they have a frame but focus will go through them. -->
<div id='hidden' style='visibility: hidden;'>
<button hidden>foo</button>
<input hidden>
<fieldset hidden>foo</fieldset>
<select hidden><option>foo</option></select>
<textarea hidden></textarea>
<optgroup hidden><option>foo</option></optgroup>
<option hidden>foo</option>
</div>
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 375008 **/
/*
* This test is divided in three parts:
* - cases where focus isn't doable but blur should not happen;
* - cases where focus is doable;
* - cases where focus isn't doable but blur should still happen.
*/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
// On Mac, this preference needs to be turned on to be able to focus all the
// form controls we want to focus.
SpecialPowers.pushPrefEnv({"set": [[ "accessibility.mouse_focuses_formcontrol", true ]]},
runTest);
});
function runTest()
{
var witness = document.getElementById('witness');
witness.focus();
var notFocusableElements = document.getElementById('not-focusable').children;
for (var i=0; i<notFocusableElements.length; ++i) {
var element = notFocusableElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, witness,
"[" + element.tagName + "] witness should still be focused");
// Cleanup.
witness.focus();
}
var focusableElements = document.getElementById('focusable').children;
for (var i=0; i<focusableElements.length; ++i) {
var element = focusableElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, element, "focus should have moved to " + element);
// Cleanup.
element.hidden = true;
witness.focus();
}
var hiddenElements = document.getElementById('hidden').children;
for (var i=0; i<hiddenElements.length; ++i) {
var element = hiddenElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, document.body,
"focus should have moved to the body");
// Cleanup.
element.hidden = true;
witness.focus();
}
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>

Просмотреть файл

@ -18,7 +18,7 @@
<div id="t16" tabindex="2" style="overflow: scroll; max-height: 20px;">
This is a scrollable area with some sufficiently long text contained within it.
</div>
<img id="n13" src="happy.png"/>
<img id="n5" src="happy.png"/>
<img id="t23" tabindex="0" src="happy.png"/>
<a id="t17" tabindex="2" accesskey="f">1</a>
<a id="t24" tabindex="0" href="#">2</a>
@ -47,9 +47,9 @@
</fieldset>
<div id="t30" tabindex="0">abc</div>
<input id="o18" accesskey="u" disabled size="3"/>
<label id="ag" accesskey="g" for="n14">L</label>
<input id="n14" tabindex="-1" type="button"/>
<span id="n15" accesskey="t">s</span>
<label id="ag" accesskey="g" for="n6">L</label>
<input id="n6" tabindex="-1" type="button"/>
<span id="n7" accesskey="t">s</span>
<img id="image" src="data:image/png,%89PNG%0D%0A%1A%0A%00%00%00%0DIHDR%00%00%00%18%00%00%00%18%02%03%00%00%00%9D%19%D5k%00%00%00%04gAMA%00%00%B1%8F%0B%FCa%05%00%00%00%0CPLTE%FF%FF%FF%FF%FF%FF%F7%DC%13%00%00%00%03%80%01X%00%00%00%01tRNS%08N%3DPT%00%00%00%01bKGD%00%88%05%1DH%00%00%00%09pHYs%00%00%0B%11%00%00%0B%11%01%7Fd_%91%00%00%00%07tIME%07%D2%05%0C%14%0C%0D%D8%3F%1FQ%00%00%00%5CIDATx%9C%7D%8E%CB%09%C0%20%10D%07r%B7%20%2F%E9wV0%15h%EA%D9%12D4%BB%C1x%CC%5C%1E%0C%CC%07%C0%9C0%9Dd7()%C0A%D3%8D%E0%B8%10%1DiCHM%D0%AC%D2d%C3M%F1%B4%E7%FF%10%0BY%AC%25%93%CD%CBF%B5%B2%C0%3Alh%CD%AE%13%DF%A5%F7%E0%03byW%09A%B4%F3%E2%00%00%00%00IEND%AEB%60%82"
usemap="#map1" ismap>

Просмотреть файл

@ -22,8 +22,8 @@ var fm = Components.classes["@mozilla.org/focus-manager;1"].
const kChildDocumentRootIndex = 13;
const kBeforeTabboxIndex = 34;
const kTabbableSteps = 38;
const kFocusSteps = 18;
const kNoFocusSteps = 15;
const kFocusSteps = 26;
const kNoFocusSteps = 7;
const kOverflowElementIndex = 27;
var gTestStarted = false;
@ -530,8 +530,8 @@ function startTest()
{ ctrlKey : true } : { altKey : true };
// test accesskeys
var keys = ["t26", "t19", "t22", "t29", "t15", "t17", "n14",
"t4", "o1", "o9", "n6"];
var keys = ["t26", "t19", "t22", "t29", "t15", "t17", "n6",
"t4", "o1", "o9", "n4"];
for (var k = 0; k < keys.length; k++) {
var key = String.fromCharCode(65 + k);
@ -556,19 +556,19 @@ function startTest()
expectFocusShift(function () synthesizeMouse(getById("ad"), 2, 2, { }, gChildWindow),
null, getById("t29"), true, "mouse on html label with content inside");
expectFocusShift(function () synthesizeMouse(getById("ag"), 2, 2, { }, gChildWindow),
null, getById("n14"), true, "mouse on html label with for attribute");
null, getById("n6"), true, "mouse on html label with for attribute");
gLastFocusMethod = 0;
expectFocusShift(function () synthesizeMouse(getById("aj"), 2, 2, { }),
null, getById("o9"), true, "mouse on xul label with content inside");
expectFocusShift(function () synthesizeMouse(getById("ak"), 2, 2, { }),
null, getById("n6"), true, "mouse on xul label with control attribute");
null, getById("n4"), true, "mouse on xul label with control attribute");
// test accesskeys that shouldn't work
k = "o".charCodeAt(0);
while (k++ < "v".charCodeAt(0)) {
var key = String.fromCharCode(k);
expectFocusShift(function () synthesizeKey(key, accessKeyDetails),
window, getById("n6"), false, "non accesskey " + key);
window, getById("n4"), false, "non accesskey " + key);
}
gLastFocusMethod = -1;
@ -1614,7 +1614,7 @@ SimpleTest.waitForFocus(startTest);
The elements with ids starting with t are focusable and in the taborder.
The elements with ids starting with o are:
odd numbered ids - focusable but not part of the tab order
even numbered ids - not focusable with -moz-user-focus: ignore
even numbered ids - not focusable with -moz-user-focus: ignore or disabled
The elements with ids starting with n are:
odd numbered ids - not focusable with -moz-user-focus: none
even numbered ids - focusable but not part of the tab order
@ -1647,10 +1647,10 @@ SimpleTest.waitForFocus(startTest);
<button style="display: none;" tabindex="2"/> <button style="visibility: collapse;" tabindex="2"/>
</hbox>
<hbox>
<button id="n5" accesskey="s" label="no tabindex" disabled="true"/>
<button id="n7" label="tabindex = -1" tabindex="-1" disabled="true"/>
<button id="n9" label="tabindex = 0" tabindex="0" disabled="true"/>
<button id="n11" label="tabindex = 2" tabindex="2" disabled="true"/>
<button id="o20" accesskey="s" label="no tabindex" disabled="true"/>
<button id="o22" label="tabindex = -1" tabindex="-1" disabled="true"/>
<button id="o24" label="tabindex = 0" tabindex="0" disabled="true"/>
<button id="o26" label="tabindex = 2" tabindex="2" disabled="true"/>
</hbox>
</vbox>
<vbox>
@ -1694,10 +1694,10 @@ SimpleTest.waitForFocus(startTest);
<button id="t38"/>
<!-- The 't' element tests end here so it doesn't matter that these elements are tabbable -->
<label id="aj" value="j" accesskey="j" control="o9"/>
<label id="ak" accesskey="k" control="n6">k</label>
<label id="ak" accesskey="k" control="n4">k</label>
<checkbox id="o5"/><checkbox id="o7"/><hbox><checkbox id="o9"/></hbox>
<checkbox id="o13"/><checkbox id="o15"/><checkbox id="o17"/>
<checkbox id="n2"/><checkbox id="n4"/><checkbox id="n6"/><checkbox id="n8"/><checkbox id="n10"/><checkbox id="n12"/>
<checkbox id="o13"/><checkbox id="o15"/><checkbox id="o17"/><checkbox id="o19"/><checkbox id="o21"/><checkbox id="o23"/><checkbox id="o25"/>
<checkbox id="n2"/><checkbox id="n4"/>
<listbox id="last" width="20" rows="1"/>
<iframe id="ifa" width="40" height="60" style="-moz-user-focus: ignore;" type="content"

Просмотреть файл

@ -362,7 +362,6 @@ select:disabled:disabled /* Need the pseudo-class twice to have the specificity
be at least the same as select[size][multiple] above */
{
-moz-user-input: disabled;
-moz-user-focus: ignore;
color: GrayText;
background-color: ThreeDFace;
cursor: inherit;