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Issue #1375 - Fix IsWebComponentsEnabled checks

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This commit is contained in:
Matt A. Tobin 2020-04-17 07:43:40 -04:00 • committed by Roy Tam
commit ca48752304
13 changed files with 154 additions and 137 deletions
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76
dom/base/nsDocument.cpp
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@ -2242,6 +2242,29 @@ WarnIfSandboxIneffective(nsIDocShell* aDocShell,
}
}
bool
nsDocument::IsWebComponentsEnabled(JSContext* aCx, JSObject* aObject)
{
if (!nsContentUtils::IsWebComponentsEnabled()) {
return false;
}
JS::Rooted<JSObject*> obj(aCx, aObject);
JSAutoCompartment ac(aCx, obj);
JS::Rooted<JSObject*> global(aCx, JS_GetGlobalForObject(aCx, obj));
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(nsJSUtils::GetStaticScriptGlobal(global));
nsIDocument* doc = window ? window->GetExtantDoc() : nullptr;
if (doc && doc->IsStyledByServo()) {
NS_WARNING("stylo: Web Components not supported yet");
return false;
}
return true;
}
nsresult
nsDocument::StartDocumentLoad(const char* aCommand, nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
@ -5581,65 +5604,12 @@ nsIDocument::CreateAttributeNS(const nsAString& aNamespaceURI,
return attribute.forget();
}
bool
nsDocument::IsWebComponentsEnabled(JSContext* aCx, JSObject* aObject)
{
JS::Rooted<JSObject*> obj(aCx, aObject);
if (nsContentUtils::IsWebComponentsEnabled()) {
return true;
}
// Check for the webcomponents permission. See Bug 1181555.
JSAutoCompartment ac(aCx, obj);
JS::Rooted<JSObject*> global(aCx, JS_GetGlobalForObject(aCx, obj));
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(nsJSUtils::GetStaticScriptGlobal(global));
return IsWebComponentsEnabled(window);
}
bool
nsDocument::IsWebComponentsEnabled(const nsINode* aNode)
{
return aNode->OwnerDoc()->IsWebComponentsEnabled();
}
bool
nsDocument::IsWebComponentsEnabled(dom::NodeInfo* aNodeInfo)
{
if (nsContentUtils::IsWebComponentsEnabled()) {
return true;
}
nsIDocument* doc = aNodeInfo->GetDocument();
// Use GetScopeObject() here so that data documents work the same way as the
// main document they're associated with.
nsCOMPtr<nsPIDOMWindowInner> window =
do_QueryInterface(doc->GetScopeObject());
return IsWebComponentsEnabled(window);
}
bool
nsDocument::IsWebComponentsEnabled(nsPIDOMWindowInner* aWindow)
{
if (aWindow) {
nsresult rv;
nsCOMPtr<nsIPermissionManager> permMgr =
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, false);
uint32_t perm;
rv = permMgr->TestPermissionFromWindow(
aWindow, "moz-extremely-unstable-and-will-change-webcomponents", &perm);
NS_ENSURE_SUCCESS(rv, false);
return perm == nsIPermissionManager::ALLOW_ACTION;
}
return false;
}
NS_IMETHODIMP
nsDocument::GetElementsByTagName(const nsAString& aTagname,
nsIDOMNodeList** aReturn)