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Bug 1268953. The load events we fire on iframe/frame/object (in the document case) should not be cancelable. r=smaug

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This commit is contained in:
Boris Zbarsky 2016-05-02 15:09:36 -04:00
parent 996dbed68b
commit 634c2d0574
4 changed files with 55 additions and 3 deletions
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1
dom/base/nsGlobalWindow.cpp
View File

@ -3377,6 +3377,7 @@ nsGlobalWindow::PostHandleEvent(EventChainPostVisitor& aVisitor)
nsEventStatus status = nsEventStatus_eIgnore;
WidgetEvent event(aVisitor.mEvent->IsTrusted(), eLoad);
event.mFlags.mBubbles = false;
event.mFlags.mCancelable = false;
// Most of the time we could get a pres context to pass in here,
// but not always (i.e. if this window is not shown there won't

6
testing/web-platform/meta/MANIFEST.json
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@ -35346,6 +35346,12 @@
"url": "/html/semantics/embedded-content/the-embed-element/embed-ignored-in-media-element.html"
}
],
"html/semantics/embedded-content/the-iframe-element/iframe-load-event.html": [
{
"path": "html/semantics/embedded-content/the-iframe-element/iframe-load-event.html",
"url": "/html/semantics/embedded-content/the-iframe-element/iframe-load-event.html"
}
],
"html/syntax/serializing-html-fragments/serializing.html": [
{
"path": "html/syntax/serializing-html-fragments/serializing.html",

3
testing/web-platform/meta/html/semantics/embedded-content/the-object-element/object-events.html.ini
View File

@ -4,6 +4,3 @@
[error event]
expected: TIMEOUT
[load event of about:blank]
expected: FAIL

48
testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-load-event.html Normal file
View File

@ -0,0 +1,48 @@
<!doctype html>
<meta charset=utf-8>
<title>Test some sanity behavior around iframe load/error events</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<body>
<script>
async_test(function(t) {
var obj = document.createElement("iframe");
obj.onload = t.step_func_done(function(e){
assert_true(obj.contentWindow instanceof Window, "The iframe element should represent a nested browsing context.")
assert_equals(Object.getPrototypeOf(e).constructor, Event, "The load event should use the Event interface.");
assert_true(e.isTrusted, "The load event should be a trusted event.");
assert_false(e.cancelable, "The load event should not be a cancelable event.");
assert_false(e.bubbles, "The load event should not be a bubble event.");
assert_equals(e.target, obj, "The load event target should be the corresponding object element.");
});
obj.onerror = t.step_func_done(function(e){
assert_unreached("The error event should not be fired.");
});
var url = URL.createObjectURL(new Blob([""], { type: "text/html" }));
obj.src = url;
document.body.appendChild(obj);
}, "load event of blob URL");
async_test(function(t) {
var obj = document.createElement("iframe");
obj.onload = t.step_func_done(function(e){
assert_true(obj.contentWindow instanceof Window, "The object element should represent a nested browsing context.")
assert_equals(Object.getPrototypeOf(e).constructor, Event, "The load event should use the Event interface.");
assert_true(e.isTrusted, "The load event should be a trusted event.");
assert_false(e.cancelable, "The load event should not be a cancelable event.");
assert_false(e.bubbles, "The load event should not be a bubble event.");
assert_equals(e.target, obj, "The load event target should be the corresponding object element.");
});
obj.onerror = t.step_func_done(function(e){
assert_unreached("The error event should not be fired.");
});
document.body.appendChild(obj);
}, "load event of initial about:blank");
</script>
</body>