зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
4.1 KiB
C++
119 строки
4.1 KiB
C++
#ifndef mozilla_dom_l10n_DOMOverlays_h__
|
|
#define mozilla_dom_l10n_DOMOverlays_h__
|
|
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/L10nUtilsBinding.h"
|
|
#include "mozilla/dom/DOMOverlaysBinding.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
namespace l10n {
|
|
|
|
class DOMOverlays {
|
|
public:
|
|
/**
|
|
* Translate an element.
|
|
*
|
|
* Translate the element's text content and attributes. Some HTML markup is
|
|
* allowed in the translation. The element's children with the data-l10n-name
|
|
* attribute will be treated as arguments to the translation. If the
|
|
* translation defines the same children, their attributes and text contents
|
|
* will be used for translating the matching source child.
|
|
*/
|
|
static void TranslateElement(
|
|
const GlobalObject& aGlobal, Element& aElement,
|
|
const L10nValue& aTranslation,
|
|
Nullable<nsTArray<mozilla::dom::DOMOverlaysError>>& aErrors);
|
|
static void TranslateElement(
|
|
Element& aElement, const L10nValue& aTranslation,
|
|
nsTArray<mozilla::dom::DOMOverlaysError>& aErrors, ErrorResult& aRv);
|
|
|
|
private:
|
|
/**
|
|
* Check if attribute is allowed for the given element.
|
|
*
|
|
* This method is used by the sanitizer when the translation markup contains
|
|
* DOM attributes, or when the translation has traits which map to DOM
|
|
* attributes.
|
|
*
|
|
* `aExplicitlyAllowed` can be passed as a list of attributes explicitly
|
|
* allowed on this element.
|
|
*/
|
|
static bool IsAttrNameLocalizable(const nsAtom* nameAtom, Element* aElement,
|
|
nsTArray<nsString>* aExplicitlyAllowed);
|
|
|
|
/**
|
|
* Create a text node from text content of an Element.
|
|
*/
|
|
static already_AddRefed<nsINode> CreateTextNodeFromTextContent(
|
|
Element* aElement, ErrorResult& aRv);
|
|
|
|
/**
|
|
* Transplant localizable attributes of an element to another element.
|
|
*
|
|
* Any localizable attributes already set on the target element will be
|
|
* cleared.
|
|
*/
|
|
static void OverlayAttributes(
|
|
const Nullable<Sequence<AttributeNameValue>>& aTranslation,
|
|
Element* aToElement, ErrorResult& aRv);
|
|
static void OverlayAttributes(Element* aFromElement, Element* aToElement,
|
|
ErrorResult& aRv);
|
|
|
|
/**
|
|
* Helper to set textContent and localizable attributes on an element.
|
|
*/
|
|
static void ShallowPopulateUsing(Element* aFromElement, Element* aToElement,
|
|
ErrorResult& aRv);
|
|
|
|
/**
|
|
* Sanitize a child element created by the translation.
|
|
*
|
|
* Try to find a corresponding child in sourceElement and use it as the base
|
|
* for the sanitization. This will preserve functional attributes defined on
|
|
* the child element in the source HTML.
|
|
*/
|
|
static already_AddRefed<nsINode> GetNodeForNamedElement(
|
|
Element* aSourceElement, Element* aTranslatedChild,
|
|
nsTArray<DOMOverlaysError>& aErrors, ErrorResult& aRv);
|
|
|
|
/**
|
|
* Check if element is allowed in the translation.
|
|
*
|
|
* This method is used by the sanitizer when the translation markup contains
|
|
* an element which is not present in the source code.
|
|
*/
|
|
static bool IsElementAllowed(Element* aElement);
|
|
|
|
/**
|
|
* Sanitize an allowed element.
|
|
*
|
|
* Text-level elements allowed in translations may only use safe attributes
|
|
* and will have any nested markup stripped to text content.
|
|
*/
|
|
static already_AddRefed<Element> CreateSanitizedElement(Element* aElement,
|
|
ErrorResult& aRv);
|
|
|
|
/**
|
|
* Replace child nodes of an element with child nodes of another element.
|
|
*
|
|
* The contents of the target element will be cleared and fully replaced with
|
|
* sanitized contents of the source element.
|
|
*/
|
|
static void OverlayChildNodes(DocumentFragment* aFromFragment,
|
|
Element* aToElement,
|
|
nsTArray<DOMOverlaysError>& aErrors,
|
|
ErrorResult& aRv);
|
|
|
|
/**
|
|
* A helper used to test if the string contains HTML markup.
|
|
*/
|
|
static bool ContainsMarkup(const nsAString& aStr);
|
|
};
|
|
|
|
} // namespace l10n
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
#endif
|