2015-05-03 22:32:37 +03:00
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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2013-02-07 12:08:58 +04:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2014-03-17 10:56:54 +04:00
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#include "mozilla/AsyncEventDispatcher.h"
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2013-02-07 12:08:58 +04:00
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#include "mozilla/dom/HTMLMetaElement.h"
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2013-02-07 12:08:58 +04:00
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#include "mozilla/dom/HTMLMetaElementBinding.h"
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2015-11-15 06:29:05 +03:00
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#include "mozilla/dom/nsCSPService.h"
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2013-02-07 12:08:58 +04:00
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#include "nsContentUtils.h"
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2014-03-17 10:56:54 +04:00
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#include "nsStyleConsts.h"
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2015-11-15 06:29:05 +03:00
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#include "nsIContentSecurityPolicy.h"
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2013-02-07 12:08:58 +04:00
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NS_IMPL_NS_NEW_HTML_ELEMENT(Meta)
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namespace mozilla {
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namespace dom {
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2014-06-20 06:01:40 +04:00
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HTMLMetaElement::HTMLMetaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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2013-02-07 12:08:58 +04:00
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: nsGenericHTMLElement(aNodeInfo)
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{
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}
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HTMLMetaElement::~HTMLMetaElement()
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{
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}
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2014-04-27 11:06:00 +04:00
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NS_IMPL_ISUPPORTS_INHERITED(HTMLMetaElement, nsGenericHTMLElement,
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nsIDOMHTMLMetaElement)
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2013-02-07 12:08:58 +04:00
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NS_IMPL_ELEMENT_CLONE(HTMLMetaElement)
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NS_IMPL_STRING_ATTR(HTMLMetaElement, Content, content)
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NS_IMPL_STRING_ATTR(HTMLMetaElement, HttpEquiv, httpEquiv)
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NS_IMPL_STRING_ATTR(HTMLMetaElement, Name, name)
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NS_IMPL_STRING_ATTR(HTMLMetaElement, Scheme, scheme)
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void
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2015-02-13 04:27:39 +03:00
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HTMLMetaElement::GetItemValueText(DOMString& aValue)
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2013-02-07 12:08:58 +04:00
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{
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GetContent(aValue);
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}
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void
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HTMLMetaElement::SetItemValueText(const nsAString& aValue)
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{
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SetContent(aValue);
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}
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2015-06-20 03:42:49 +03:00
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nsresult
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HTMLMetaElement::SetMetaReferrer(nsIDocument* aDocument)
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{
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if (!aDocument ||
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!AttrValueIs(kNameSpaceID_None, nsGkAtoms::name, nsGkAtoms::referrer, eIgnoreCase)) {
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return NS_OK;
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}
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nsAutoString content;
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nsresult rv = GetContent(content);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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Element* headElt = aDocument->GetHeadElement();
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if (headElt && nsContentUtils::ContentIsDescendantOf(this, headElt)) {
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content = nsContentUtils::TrimWhitespace<nsContentUtils::IsHTMLWhitespace>(content);
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aDocument->SetHeaderData(nsGkAtoms::referrer, content);
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}
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return NS_OK;
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}
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2013-02-07 12:08:58 +04:00
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2014-07-12 15:28:48 +04:00
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nsresult
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HTMLMetaElement::AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAttrValue* aValue, bool aNotify)
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{
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if (aNameSpaceID == kNameSpaceID_None) {
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nsIDocument *document = GetUncomposedDoc();
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if (aName == nsGkAtoms::content) {
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2015-08-24 22:34:00 +03:00
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if (document && AttrValueIs(kNameSpaceID_None, nsGkAtoms::name,
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nsGkAtoms::viewport, eIgnoreCase)) {
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nsAutoString content;
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nsresult rv = GetContent(content);
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NS_ENSURE_SUCCESS(rv, rv);
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nsContentUtils::ProcessViewportInfo(document, content);
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}
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2014-07-12 15:28:48 +04:00
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CreateAndDispatchEvent(document, NS_LITERAL_STRING("DOMMetaChanged"));
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}
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2015-06-20 03:42:49 +03:00
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// Update referrer policy when it got changed from JS
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nsresult rv = SetMetaReferrer(document);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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2014-07-12 15:28:48 +04:00
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}
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return nsGenericHTMLElement::AfterSetAttr(aNameSpaceID, aName, aValue,
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aNotify);
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}
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2013-02-07 12:08:58 +04:00
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nsresult
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HTMLMetaElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers)
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{
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nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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if (aDocument &&
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AttrValueIs(kNameSpaceID_None, nsGkAtoms::name, nsGkAtoms::viewport, eIgnoreCase)) {
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nsAutoString content;
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rv = GetContent(content);
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NS_ENSURE_SUCCESS(rv, rv);
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2014-11-18 16:46:29 +03:00
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nsContentUtils::ProcessViewportInfo(aDocument, content);
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}
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2015-11-15 06:29:05 +03:00
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if (CSPService::sCSPEnabled && aDocument &&
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AttrValueIs(kNameSpaceID_None, nsGkAtoms::httpEquiv, nsGkAtoms::headerCSP, eIgnoreCase)) {
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// only accept <meta http-equiv="Content-Security-Policy" content=""> if it appears
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// in the <head> element.
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Element* headElt = aDocument->GetHeadElement();
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if (headElt && nsContentUtils::ContentIsDescendantOf(this, headElt)) {
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nsAutoString content;
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rv = GetContent(content);
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NS_ENSURE_SUCCESS(rv, rv);
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content = nsContentUtils::TrimWhitespace<nsContentUtils::IsHTMLWhitespace>(content);
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nsIPrincipal* principal = aDocument->NodePrincipal();
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nsCOMPtr<nsIContentSecurityPolicy> csp;
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2016-01-14 05:34:50 +03:00
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rv = principal->GetCsp(getter_AddRefs(csp));
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NS_ENSURE_SUCCESS(rv, rv);
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// Multiple CSPs (delivered through either header of meta tag) need to be
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// joined together, see:
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// https://w3c.github.io/webappsec/specs/content-security-policy/#delivery-html-meta-element
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2016-01-14 05:34:50 +03:00
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if (!csp) {
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csp = do_CreateInstance("@mozilla.org/cspcontext;1", &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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// Store the request context so CSP can resolve 'self'
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nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(aDocument);
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rv = csp->SetRequestContext(domDoc, nullptr);
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NS_ENSURE_SUCCESS(rv, rv);
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// set the new CSP
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rv = principal->SetCsp(csp);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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2015-11-15 06:29:05 +03:00
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rv = csp->AppendPolicy(content,
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false, // csp via meta tag can not be report only
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true); // delivered through the meta tag
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NS_ENSURE_SUCCESS(rv, rv);
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aDocument->ApplySettingsFromCSP(false);
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}
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}
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2015-06-20 03:42:49 +03:00
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// Referrer Policy spec requires a <meta name="referrer" tag to be in the
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// <head> element.
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rv = SetMetaReferrer(aDocument);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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2013-02-07 12:08:58 +04:00
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}
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CreateAndDispatchEvent(aDocument, NS_LITERAL_STRING("DOMMetaAdded"));
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return rv;
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}
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void
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HTMLMetaElement::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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2014-10-02 23:07:24 +04:00
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nsCOMPtr<nsIDocument> oldDoc = GetUncomposedDoc();
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2013-02-07 12:08:58 +04:00
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CreateAndDispatchEvent(oldDoc, NS_LITERAL_STRING("DOMMetaRemoved"));
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nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
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}
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void
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HTMLMetaElement::CreateAndDispatchEvent(nsIDocument* aDoc,
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const nsAString& aEventName)
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{
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if (!aDoc)
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return;
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2015-10-18 08:24:48 +03:00
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RefPtr<AsyncEventDispatcher> asyncDispatcher =
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2014-03-17 10:56:54 +04:00
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new AsyncEventDispatcher(this, aEventName, true, true);
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2015-07-31 20:08:40 +03:00
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asyncDispatcher->RunDOMEventWhenSafe();
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2013-02-07 12:08:58 +04:00
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}
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2013-02-07 12:08:58 +04:00
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JSObject*
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Bug 1117172 part 3. Change the wrappercached WrapObject methods to allow passing in aGivenProto. r=peterv
The only manual changes here are to BindingUtils.h, BindingUtils.cpp,
Codegen.py, Element.cpp, IDBFileRequest.cpp, IDBObjectStore.cpp,
dom/workers/Navigator.cpp, WorkerPrivate.cpp, DeviceStorageRequestChild.cpp,
Notification.cpp, nsGlobalWindow.cpp, MessagePort.cpp, nsJSEnvironment.cpp,
Sandbox.cpp, XPCConvert.cpp, ExportHelpers.cpp, and DataStoreService.cpp. The
rest of this diff was generated by running the following commands:
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObject\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(Binding(?:_workers)?::Wrap\((?:aCx|cx|aContext|aCtx|js), [^,)]+)\)/\1, aGivenProto)/g'
2015-03-19 17:13:33 +03:00
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HTMLMetaElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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2013-02-07 12:08:58 +04:00
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{
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Bug 1117172 part 3. Change the wrappercached WrapObject methods to allow passing in aGivenProto. r=peterv
The only manual changes here are to BindingUtils.h, BindingUtils.cpp,
Codegen.py, Element.cpp, IDBFileRequest.cpp, IDBObjectStore.cpp,
dom/workers/Navigator.cpp, WorkerPrivate.cpp, DeviceStorageRequestChild.cpp,
Notification.cpp, nsGlobalWindow.cpp, MessagePort.cpp, nsJSEnvironment.cpp,
Sandbox.cpp, XPCConvert.cpp, ExportHelpers.cpp, and DataStoreService.cpp. The
rest of this diff was generated by running the following commands:
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObjectInternal\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapNode\((?:aCx|cx|aContext|aCtx|js))\)/\1, aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(WrapObject\(JSContext *\* *(?:aCx|cx|aContext|aCtx|js))\)/\1, JS::Handle<JSObject*> aGivenProto)/g'
find . -name "*.h" -o -name "*.cpp" | xargs perl -pi -e 'BEGIN { $/ = undef } s/(Binding(?:_workers)?::Wrap\((?:aCx|cx|aContext|aCtx|js), [^,)]+)\)/\1, aGivenProto)/g'
2015-03-19 17:13:33 +03:00
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return HTMLMetaElementBinding::Wrap(aCx, this, aGivenProto);
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2013-02-07 12:08:58 +04:00
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}
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2013-02-07 12:08:58 +04:00
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} // namespace dom
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} // namespace mozilla
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