1883 lines
82 KiB
C++
1883 lines
82 KiB
C++
/* -*- 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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/* 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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/*
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* Base class for all element classes; this provides an implementation
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* of DOM Core's nsIDOMElement, implements nsIContent, provides
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* utility methods for subclasses, and so forth.
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*/
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#ifndef mozilla_dom_Element_h__
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#define mozilla_dom_Element_h__
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#include "mozilla/dom/FragmentOrElement.h" // for base class
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#include "nsChangeHint.h" // for enum
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#include "mozilla/EventStates.h" // for member
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#include "mozilla/dom/DirectionalityUtils.h"
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#include "nsIDOMElement.h"
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#include "nsINodeList.h"
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#include "nsNodeUtils.h"
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#include "nsAttrAndChildArray.h"
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#include "mozFlushType.h"
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#include "nsDOMAttributeMap.h"
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#include "nsPresContext.h"
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#include "mozilla/CORSMode.h"
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#include "mozilla/Attributes.h"
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#include "nsIScrollableFrame.h"
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#include "mozilla/dom/Attr.h"
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#include "nsISMILAttr.h"
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#include "mozilla/dom/DOMRect.h"
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#include "nsAttrValue.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/DOMTokenListSupportedTokens.h"
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#include "mozilla/dom/WindowBinding.h"
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#include "mozilla/dom/ElementBinding.h"
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#include "Units.h"
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class nsIFrame;
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class nsIDOMMozNamedAttrMap;
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class nsIURI;
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class nsIScrollableFrame;
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class nsAttrValueOrString;
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class nsContentList;
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class nsDOMTokenList;
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struct nsRect;
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class nsFocusManager;
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class nsGlobalWindow;
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class nsICSSDeclaration;
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class nsISMILAttr;
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class nsDocument;
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namespace mozilla {
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namespace dom {
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struct ScrollIntoViewOptions;
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struct ScrollToOptions;
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} // namespace dom
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} // namespace mozilla
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already_AddRefed<nsContentList>
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NS_GetContentList(nsINode* aRootNode,
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int32_t aMatchNameSpaceId,
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const nsAString& aTagname);
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#define ELEMENT_FLAG_BIT(n_) NODE_FLAG_BIT(NODE_TYPE_SPECIFIC_BITS_OFFSET + (n_))
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// Element-specific flags
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enum {
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// Set if the element has a pending style change.
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ELEMENT_HAS_PENDING_RESTYLE = ELEMENT_FLAG_BIT(0),
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// Set if the element is a potential restyle root (that is, has a style
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// change pending _and_ that style change will attempt to restyle
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// descendants).
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ELEMENT_IS_POTENTIAL_RESTYLE_ROOT = ELEMENT_FLAG_BIT(1),
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// Set if the element has a pending animation-only style change as
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// part of an animation-only style update (where we update styles from
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// animation to the current refresh tick, but leave everything else as
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// it was).
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ELEMENT_HAS_PENDING_ANIMATION_ONLY_RESTYLE = ELEMENT_FLAG_BIT(2),
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// Set if the element is a potential animation-only restyle root (that
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// is, has an animation-only style change pending _and_ that style
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// change will attempt to restyle descendants).
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ELEMENT_IS_POTENTIAL_ANIMATION_ONLY_RESTYLE_ROOT = ELEMENT_FLAG_BIT(3),
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// Set if this element has a pending restyle with an eRestyle_SomeDescendants
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// restyle hint.
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ELEMENT_IS_CONDITIONAL_RESTYLE_ANCESTOR = ELEMENT_FLAG_BIT(4),
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// Just the HAS_PENDING bits, for convenience
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ELEMENT_PENDING_RESTYLE_FLAGS =
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ELEMENT_HAS_PENDING_RESTYLE |
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ELEMENT_HAS_PENDING_ANIMATION_ONLY_RESTYLE,
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// Just the IS_POTENTIAL bits, for convenience
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ELEMENT_POTENTIAL_RESTYLE_ROOT_FLAGS =
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ELEMENT_IS_POTENTIAL_RESTYLE_ROOT |
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ELEMENT_IS_POTENTIAL_ANIMATION_ONLY_RESTYLE_ROOT,
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// All of the restyle bits together, for convenience.
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ELEMENT_ALL_RESTYLE_FLAGS = ELEMENT_PENDING_RESTYLE_FLAGS |
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ELEMENT_POTENTIAL_RESTYLE_ROOT_FLAGS |
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ELEMENT_IS_CONDITIONAL_RESTYLE_ANCESTOR,
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// Remaining bits are for subclasses
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ELEMENT_TYPE_SPECIFIC_BITS_OFFSET = NODE_TYPE_SPECIFIC_BITS_OFFSET + 5
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};
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#undef ELEMENT_FLAG_BIT
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// Make sure we have space for our bits
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ASSERT_NODE_FLAGS_SPACE(ELEMENT_TYPE_SPECIFIC_BITS_OFFSET);
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namespace mozilla {
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class EventChainPostVisitor;
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class EventChainPreVisitor;
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class EventChainVisitor;
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class EventListenerManager;
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class EventStateManager;
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namespace dom {
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class Animation;
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class Link;
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class UndoManager;
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class DOMRect;
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class DOMRectList;
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class DestinationInsertionPointList;
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// IID for the dom::Element interface
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#define NS_ELEMENT_IID \
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{ 0xc67ed254, 0xfd3b, 0x4b10, \
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{ 0x96, 0xa2, 0xc5, 0x8b, 0x7b, 0x64, 0x97, 0xd1 } }
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class Element : public FragmentOrElement
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{
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public:
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#ifdef MOZILLA_INTERNAL_API
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explicit Element(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo) :
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FragmentOrElement(aNodeInfo),
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mState(NS_EVENT_STATE_MOZ_READONLY)
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{
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MOZ_ASSERT(mNodeInfo->NodeType() == nsIDOMNode::ELEMENT_NODE,
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"Bad NodeType in aNodeInfo");
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SetIsElement();
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}
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#endif // MOZILLA_INTERNAL_API
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_ELEMENT_IID)
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr) override;
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/**
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* Method to get the full state of this element. See mozilla/EventStates.h
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* for the possible bits that could be set here.
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*/
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EventStates State() const
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{
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// mState is maintained by having whoever might have changed it
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// call UpdateState() or one of the other mState mutators.
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return mState;
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}
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/**
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* Ask this element to update its state. If aNotify is false, then
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* state change notifications will not be dispatched; in that
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* situation it is the caller's responsibility to dispatch them.
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*
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* In general, aNotify should only be false if we're guaranteed that
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* the element can't have a frame no matter what its style is
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* (e.g. if we're in the middle of adding it to the document or
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* removing it from the document).
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*/
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void UpdateState(bool aNotify);
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/**
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* Method to update mState with link state information. This does not notify.
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*/
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void UpdateLinkState(EventStates aState);
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/**
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* Returns true if this element is either a full-screen element or an
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* ancestor of the full-screen element.
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*/
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bool IsFullScreenAncestor() const {
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return mState.HasAtLeastOneOfStates(NS_EVENT_STATE_FULL_SCREEN_ANCESTOR |
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NS_EVENT_STATE_FULL_SCREEN);
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}
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/**
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* The style state of this element. This is the real state of the element
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* with any style locks applied for pseudo-class inspecting.
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*/
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EventStates StyleState() const
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{
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if (!HasLockedStyleStates()) {
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return mState;
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}
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return StyleStateFromLocks();
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}
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/**
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* The style state locks applied to this element.
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*/
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EventStates LockedStyleStates() const;
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/**
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* Add a style state lock on this element.
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*/
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void LockStyleStates(EventStates aStates);
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/**
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* Remove a style state lock on this element.
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*/
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void UnlockStyleStates(EventStates aStates);
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/**
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* Clear all style state locks on this element.
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*/
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void ClearStyleStateLocks();
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/**
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* Get the inline style declaration, if any, for this element.
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*/
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virtual css::Declaration* GetInlineStyleDeclaration();
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/**
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* Set the inline style declaration for this element. This will send
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* an appropriate AttributeChanged notification if aNotify is true.
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*/
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virtual nsresult SetInlineStyleDeclaration(css::Declaration* aDeclaration,
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const nsAString* aSerialized,
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bool aNotify);
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/**
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* Get the SMIL override style declaration for this element. If the
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* rule hasn't been created, this method simply returns null.
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*/
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virtual css::Declaration* GetSMILOverrideStyleDeclaration();
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/**
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* Set the SMIL override style declaration for this element. If
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* aNotify is true, this method will notify the document's pres
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* context, so that the style changes will be noticed.
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*/
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virtual nsresult SetSMILOverrideStyleDeclaration(css::Declaration* aDeclaration,
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bool aNotify);
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/**
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* Returns a new nsISMILAttr that allows the caller to animate the given
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* attribute on this element.
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*
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* The CALLER OWNS the result and is responsible for deleting it.
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*/
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virtual nsISMILAttr* GetAnimatedAttr(int32_t aNamespaceID, nsIAtom* aName)
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{
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return nullptr;
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}
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/**
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* Get the SMIL override style for this element. This is a style declaration
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* that is applied *after* the inline style, and it can be used e.g. to store
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* animated style values.
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*
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* Note: This method is analogous to the 'GetStyle' method in
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* nsGenericHTMLElement and nsStyledElement.
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*/
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virtual nsICSSDeclaration* GetSMILOverrideStyle();
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/**
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* Returns if the element is labelable as per HTML specification.
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*/
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virtual bool IsLabelable() const;
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/**
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* Returns if the element is interactive content as per HTML specification.
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*/
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virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const;
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/**
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* Is the attribute named stored in the mapped attributes?
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*
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* // XXXbz we use this method in HasAttributeDependentStyle, so svg
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* returns true here even though it stores nothing in the mapped
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* attributes.
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*/
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const;
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/**
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* Get a hint that tells the style system what to do when
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* an attribute on this node changes, if something needs to happen
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* in response to the change *other* than the result of what is
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* mapped into style data via any type of style rule.
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*/
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virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
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int32_t aModType) const;
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inline Directionality GetDirectionality() const {
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if (HasFlag(NODE_HAS_DIRECTION_RTL)) {
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return eDir_RTL;
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}
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if (HasFlag(NODE_HAS_DIRECTION_LTR)) {
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return eDir_LTR;
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}
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return eDir_NotSet;
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}
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inline void SetDirectionality(Directionality aDir, bool aNotify) {
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UnsetFlags(NODE_ALL_DIRECTION_FLAGS);
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if (!aNotify) {
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RemoveStatesSilently(DIRECTION_STATES);
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}
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switch (aDir) {
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case (eDir_RTL):
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SetFlags(NODE_HAS_DIRECTION_RTL);
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if (!aNotify) {
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AddStatesSilently(NS_EVENT_STATE_RTL);
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}
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break;
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case(eDir_LTR):
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SetFlags(NODE_HAS_DIRECTION_LTR);
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if (!aNotify) {
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AddStatesSilently(NS_EVENT_STATE_LTR);
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}
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break;
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default:
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break;
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}
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/*
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* Only call UpdateState if we need to notify, because we call
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* SetDirectionality for every element, and UpdateState is very very slow
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* for some elements.
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*/
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if (aNotify) {
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UpdateState(true);
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}
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}
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bool GetBindingURL(nsIDocument *aDocument, css::URLValue **aResult);
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// The bdi element defaults to dir=auto if it has no dir attribute set.
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// Other elements will only have dir=auto if they have an explicit dir=auto,
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// which will mean that HasValidDir() returns true but HasFixedDir() returns
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// false
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inline bool HasDirAuto() const {
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return (!HasFixedDir() &&
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(HasValidDir() || IsHTMLElement(nsGkAtoms::bdi)));
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}
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Directionality GetComputedDirectionality() const;
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/**
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* Gets the custom element data used by web components' custom element.
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* Custom element data is created at the first attempt to enqueue a callback.
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*
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* @return The custom element data or null if none.
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*/
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inline CustomElementData* GetCustomElementData() const
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{
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nsDOMSlots *slots = GetExistingDOMSlots();
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if (slots) {
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return slots->mCustomElementData;
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}
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return nullptr;
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}
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/**
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* Sets the custom element data, ownership of the
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* callback data is taken by this element.
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*
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* @param aData The custom element data.
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*/
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void SetCustomElementData(CustomElementData* aData);
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protected:
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/**
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* Method to get the _intrinsic_ content state of this element. This is the
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* state that is independent of the element's presentation. To get the full
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* content state, use State(). See mozilla/EventStates.h for
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* the possible bits that could be set here.
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*/
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virtual EventStates IntrinsicState() const;
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/**
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* Method to add state bits. This should be called from subclass
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* constructors to set up our event state correctly at construction
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* time and other places where we don't want to notify a state
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* change.
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*/
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void AddStatesSilently(EventStates aStates)
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{
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mState |= aStates;
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}
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/**
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* Method to remove state bits. This should be called from subclass
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* constructors to set up our event state correctly at construction
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* time and other places where we don't want to notify a state
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* change.
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*/
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void RemoveStatesSilently(EventStates aStates)
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{
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mState &= ~aStates;
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}
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private:
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// Need to allow the ESM, nsGlobalWindow, and the focus manager to
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// set our state
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friend class mozilla::EventStateManager;
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friend class ::nsGlobalWindow;
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friend class ::nsFocusManager;
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friend class ::nsDocument;
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// Also need to allow Link to call UpdateLinkState.
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friend class Link;
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void NotifyStateChange(EventStates aStates);
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void NotifyStyleStateChange(EventStates aStates);
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// Style state computed from element's state and style locks.
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EventStates StyleStateFromLocks() const;
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protected:
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// Methods for the ESM to manage state bits. These will handle
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// setting up script blockers when they notify, so no need to do it
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// in the callers unless desired.
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virtual void AddStates(EventStates aStates)
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{
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NS_PRECONDITION(!aStates.HasAtLeastOneOfStates(INTRINSIC_STATES),
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"Should only be adding ESM-managed states here");
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AddStatesSilently(aStates);
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NotifyStateChange(aStates);
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}
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virtual void RemoveStates(EventStates aStates)
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{
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NS_PRECONDITION(!aStates.HasAtLeastOneOfStates(INTRINSIC_STATES),
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"Should only be removing ESM-managed states here");
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RemoveStatesSilently(aStates);
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NotifyStateChange(aStates);
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}
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virtual void ToggleStates(EventStates aStates, bool aNotify)
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{
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NS_PRECONDITION(!aStates.HasAtLeastOneOfStates(INTRINSIC_STATES),
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"Should only be removing ESM-managed states here");
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mState ^= aStates;
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if (aNotify) {
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NotifyStateChange(aStates);
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}
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}
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public:
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virtual void UpdateEditableState(bool aNotify) override;
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) override;
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/**
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* Normalizes an attribute name and returns it as a nodeinfo if an attribute
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* with that name exists. This method is intended for character case
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* conversion if the content object is case insensitive (e.g. HTML). Returns
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* the nodeinfo of the attribute with the specified name if one exists or
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* null otherwise.
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*
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* @param aStr the unparsed attribute string
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* @return the node info. May be nullptr.
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*/
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already_AddRefed<mozilla::dom::NodeInfo>
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GetExistingAttrNameFromQName(const nsAString& aStr) const;
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nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAString& aValue, bool aNotify)
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{
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return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
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}
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/**
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* Helper for SetAttr/SetParsedAttr. This method will return true if aNotify
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* is true or there are mutation listeners that must be triggered, the
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* attribute is currently set, and the new value that is about to be set is
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* different to the current value. As a perf optimization the new and old
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* values will not actually be compared if we aren't notifying and we don't
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* have mutation listeners (in which case it's cheap to just return false
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* and let the caller go ahead and set the value).
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* @param aOldValue Set to the old value of the attribute, but only if there
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* are event listeners. If set, the type of aOldValue will be either
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* nsAttrValue::eString or nsAttrValue::eAtom.
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* @param aModType Set to nsIDOMMutationEvent::MODIFICATION or to
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* nsIDOMMutationEvent::ADDITION, but only if this helper returns true
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* @param aHasListeners Set to true if there are mutation event listeners
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* listening for NS_EVENT_BITS_MUTATION_ATTRMODIFIED
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*/
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bool MaybeCheckSameAttrVal(int32_t aNamespaceID, nsIAtom* aName,
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nsIAtom* aPrefix,
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const nsAttrValueOrString& aValue,
|
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bool aNotify, nsAttrValue& aOldValue,
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uint8_t* aModType, bool* aHasListeners);
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|
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bool OnlyNotifySameValueSet(int32_t aNamespaceID, nsIAtom* aName,
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nsIAtom* aPrefix,
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const nsAttrValueOrString& aValue,
|
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bool aNotify, nsAttrValue& aOldValue,
|
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uint8_t* aModType, bool* aHasListeners);
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|
|
virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName, nsIAtom* aPrefix,
|
|
const nsAString& aValue, bool aNotify) override;
|
|
// aParsedValue receives the old value of the attribute. That's useful if
|
|
// either the input or output value of aParsedValue is StoresOwnData.
|
|
nsresult SetParsedAttr(int32_t aNameSpaceID, nsIAtom* aName, nsIAtom* aPrefix,
|
|
nsAttrValue& aParsedValue, bool aNotify);
|
|
// GetAttr is not inlined on purpose, to keep down codesize from all
|
|
// the inlined nsAttrValue bits for C++ callers.
|
|
bool GetAttr(int32_t aNameSpaceID, nsIAtom* aName,
|
|
nsAString& aResult) const;
|
|
inline bool HasAttr(int32_t aNameSpaceID, nsIAtom* aName) const;
|
|
// aCaseSensitive == eIgnoreCaase means ASCII case-insensitive matching.
|
|
inline bool AttrValueIs(int32_t aNameSpaceID, nsIAtom* aName,
|
|
const nsAString& aValue,
|
|
nsCaseTreatment aCaseSensitive) const;
|
|
inline bool AttrValueIs(int32_t aNameSpaceID, nsIAtom* aName,
|
|
nsIAtom* aValue,
|
|
nsCaseTreatment aCaseSensitive) const;
|
|
virtual int32_t FindAttrValueIn(int32_t aNameSpaceID,
|
|
nsIAtom* aName,
|
|
AttrValuesArray* aValues,
|
|
nsCaseTreatment aCaseSensitive) const override;
|
|
virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
|
|
bool aNotify) override;
|
|
virtual const nsAttrName* GetAttrNameAt(uint32_t aIndex) const override;
|
|
virtual uint32_t GetAttrCount() const override;
|
|
virtual bool IsNodeOfType(uint32_t aFlags) const override;
|
|
|
|
#ifdef DEBUG
|
|
virtual void List(FILE* out = stdout, int32_t aIndent = 0) const override
|
|
{
|
|
List(out, aIndent, EmptyCString());
|
|
}
|
|
virtual void DumpContent(FILE* out, int32_t aIndent, bool aDumpAll) const override;
|
|
void List(FILE* out, int32_t aIndent, const nsCString& aPrefix) const;
|
|
void ListAttributes(FILE* out) const;
|
|
#endif
|
|
|
|
void Describe(nsAString& aOutDescription) const override;
|
|
|
|
/*
|
|
* Attribute Mapping Helpers
|
|
*/
|
|
struct MappedAttributeEntry {
|
|
nsIAtom** attribute;
|
|
};
|
|
|
|
/**
|
|
* A common method where you can just pass in a list of maps to check
|
|
* for attribute dependence. Most implementations of
|
|
* IsAttributeMapped should use this function as a default
|
|
* handler.
|
|
*/
|
|
template<size_t N>
|
|
static bool
|
|
FindAttributeDependence(const nsIAtom* aAttribute,
|
|
const MappedAttributeEntry* const (&aMaps)[N])
|
|
{
|
|
return FindAttributeDependence(aAttribute, aMaps, N);
|
|
}
|
|
|
|
static nsIAtom*** HTMLSVGPropertiesToTraverseAndUnlink();
|
|
|
|
private:
|
|
void DescribeAttribute(uint32_t index, nsAString& aOutDescription) const;
|
|
|
|
static bool
|
|
FindAttributeDependence(const nsIAtom* aAttribute,
|
|
const MappedAttributeEntry* const aMaps[],
|
|
uint32_t aMapCount);
|
|
|
|
protected:
|
|
inline bool GetAttr(int32_t aNameSpaceID, nsIAtom* aName,
|
|
DOMString& aResult) const
|
|
{
|
|
NS_ASSERTION(nullptr != aName, "must have attribute name");
|
|
NS_ASSERTION(aNameSpaceID != kNameSpaceID_Unknown,
|
|
"must have a real namespace ID!");
|
|
MOZ_ASSERT(aResult.HasStringBuffer() && aResult.StringBufferLength() == 0,
|
|
"Should have empty string coming in");
|
|
const nsAttrValue* val = mAttrsAndChildren.GetAttr(aName, aNameSpaceID);
|
|
if (val) {
|
|
val->ToString(aResult);
|
|
return true;
|
|
}
|
|
// else DOMString comes pre-emptied.
|
|
return false;
|
|
}
|
|
|
|
public:
|
|
bool HasAttrs() const { return mAttrsAndChildren.HasAttrs(); }
|
|
|
|
inline bool GetAttr(const nsAString& aName, DOMString& aResult) const
|
|
{
|
|
MOZ_ASSERT(aResult.HasStringBuffer() && aResult.StringBufferLength() == 0,
|
|
"Should have empty string coming in");
|
|
const nsAttrValue* val = mAttrsAndChildren.GetAttr(aName);
|
|
if (val) {
|
|
val->ToString(aResult);
|
|
return true;
|
|
}
|
|
// else DOMString comes pre-emptied.
|
|
return false;
|
|
}
|
|
|
|
void GetTagName(nsAString& aTagName) const
|
|
{
|
|
aTagName = NodeName();
|
|
}
|
|
void GetId(nsAString& aId) const
|
|
{
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, aId);
|
|
}
|
|
void GetId(DOMString& aId) const
|
|
{
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::id, aId);
|
|
}
|
|
void SetId(const nsAString& aId)
|
|
{
|
|
SetAttr(kNameSpaceID_None, nsGkAtoms::id, aId, true);
|
|
}
|
|
void GetClassName(nsAString& aClassName)
|
|
{
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::_class, aClassName);
|
|
}
|
|
void GetClassName(DOMString& aClassName)
|
|
{
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::_class, aClassName);
|
|
}
|
|
void SetClassName(const nsAString& aClassName)
|
|
{
|
|
SetAttr(kNameSpaceID_None, nsGkAtoms::_class, aClassName, true);
|
|
}
|
|
|
|
nsDOMTokenList* ClassList();
|
|
nsDOMAttributeMap* Attributes()
|
|
{
|
|
nsDOMSlots* slots = DOMSlots();
|
|
if (!slots->mAttributeMap) {
|
|
slots->mAttributeMap = new nsDOMAttributeMap(this);
|
|
}
|
|
|
|
return slots->mAttributeMap;
|
|
}
|
|
|
|
void GetAttributeNames(nsTArray<nsString>& aResult);
|
|
|
|
void GetAttribute(const nsAString& aName, nsString& aReturn)
|
|
{
|
|
DOMString str;
|
|
GetAttribute(aName, str);
|
|
str.ToString(aReturn);
|
|
}
|
|
|
|
void GetAttribute(const nsAString& aName, DOMString& aReturn);
|
|
void GetAttributeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
nsAString& aReturn);
|
|
bool ToggleAttribute(const nsAString& aName, const Optional<bool>& aForce,
|
|
ErrorResult& aError);
|
|
void SetAttribute(const nsAString& aName, const nsAString& aValue,
|
|
ErrorResult& aError);
|
|
void SetAttributeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
const nsAString& aValue,
|
|
ErrorResult& aError);
|
|
void RemoveAttribute(const nsAString& aName,
|
|
ErrorResult& aError);
|
|
void RemoveAttributeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
ErrorResult& aError);
|
|
bool HasAttribute(const nsAString& aName) const
|
|
{
|
|
return InternalGetAttrNameFromQName(aName) != nullptr;
|
|
}
|
|
bool HasAttributeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName) const;
|
|
bool HasAttributes() const
|
|
{
|
|
return HasAttrs();
|
|
}
|
|
Element* Closest(const nsAString& aSelector,
|
|
ErrorResult& aResult);
|
|
bool Matches(const nsAString& aSelector,
|
|
ErrorResult& aError);
|
|
already_AddRefed<nsIHTMLCollection>
|
|
GetElementsByTagName(const nsAString& aQualifiedName);
|
|
already_AddRefed<nsIHTMLCollection>
|
|
GetElementsByTagNameNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
ErrorResult& aError);
|
|
already_AddRefed<nsIHTMLCollection>
|
|
GetElementsByClassName(const nsAString& aClassNames);
|
|
|
|
private:
|
|
/**
|
|
* Implement the algorithm specified at
|
|
* https://dom.spec.whatwg.org/#insert-adjacent for both
|
|
* |insertAdjacentElement()| and |insertAdjacentText()| APIs.
|
|
*/
|
|
nsINode* InsertAdjacent(const nsAString& aWhere,
|
|
nsINode* aNode,
|
|
ErrorResult& aError);
|
|
|
|
public:
|
|
Element* InsertAdjacentElement(const nsAString& aWhere,
|
|
Element& aElement,
|
|
ErrorResult& aError);
|
|
|
|
void InsertAdjacentText(const nsAString& aWhere,
|
|
const nsAString& aData,
|
|
ErrorResult& aError);
|
|
|
|
void SetPointerCapture(int32_t aPointerId, ErrorResult& aError)
|
|
{
|
|
bool activeState = false;
|
|
if (!nsIPresShell::GetPointerInfo(aPointerId, activeState)) {
|
|
aError.Throw(NS_ERROR_DOM_INVALID_POINTER_ERR);
|
|
return;
|
|
}
|
|
if (!IsInDoc()) {
|
|
aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
|
|
return;
|
|
}
|
|
if (!activeState) {
|
|
return;
|
|
}
|
|
nsIPresShell::SetPointerCapturingContent(aPointerId, this);
|
|
}
|
|
void ReleasePointerCapture(int32_t aPointerId, ErrorResult& aError)
|
|
{
|
|
bool activeState = false;
|
|
if (!nsIPresShell::GetPointerInfo(aPointerId, activeState)) {
|
|
aError.Throw(NS_ERROR_DOM_INVALID_POINTER_ERR);
|
|
return;
|
|
}
|
|
nsIPresShell::PointerCaptureInfo* pointerCaptureInfo = nullptr;
|
|
if (nsIPresShell::gPointerCaptureList->Get(aPointerId, &pointerCaptureInfo) && pointerCaptureInfo) {
|
|
// Call ReleasePointerCapture only on correct element
|
|
// (on element that have status pointer capture override
|
|
// or on element that have status pending pointer capture)
|
|
if (pointerCaptureInfo->mOverrideContent == this) {
|
|
nsIPresShell::ReleasePointerCapturingContent(aPointerId, this);
|
|
} else if (pointerCaptureInfo->mPendingContent == this) {
|
|
nsIPresShell::ReleasePointerCapturingContent(aPointerId, this);
|
|
}
|
|
}
|
|
}
|
|
void SetCapture(bool aRetargetToElement)
|
|
{
|
|
// If there is already an active capture, ignore this request. This would
|
|
// occur if a splitter, frame resizer, etc had already captured and we don't
|
|
// want to override those.
|
|
if (!nsIPresShell::GetCapturingContent()) {
|
|
nsIPresShell::SetCapturingContent(this, CAPTURE_PREVENTDRAG |
|
|
(aRetargetToElement ? CAPTURE_RETARGETTOELEMENT : 0));
|
|
}
|
|
}
|
|
void ReleaseCapture()
|
|
{
|
|
if (nsIPresShell::GetCapturingContent() == this) {
|
|
nsIPresShell::SetCapturingContent(nullptr, 0);
|
|
}
|
|
}
|
|
|
|
// aCx == nullptr is allowed only if aOptions.isNullOrUndefined()
|
|
void MozRequestFullScreen(JSContext* aCx, JS::Handle<JS::Value> aOptions,
|
|
ErrorResult& aError);
|
|
void MozRequestPointerLock();
|
|
Attr* GetAttributeNode(const nsAString& aName);
|
|
already_AddRefed<Attr> SetAttributeNode(Attr& aNewAttr,
|
|
ErrorResult& aError);
|
|
already_AddRefed<Attr> RemoveAttributeNode(Attr& aOldAttr,
|
|
ErrorResult& aError);
|
|
Attr* GetAttributeNodeNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName);
|
|
already_AddRefed<Attr> SetAttributeNodeNS(Attr& aNewAttr,
|
|
ErrorResult& aError);
|
|
|
|
already_AddRefed<DOMRectList> GetClientRects();
|
|
already_AddRefed<DOMRect> GetBoundingClientRect();
|
|
|
|
already_AddRefed<ShadowRoot> CreateShadowRoot(ErrorResult& aError);
|
|
already_AddRefed<DestinationInsertionPointList> GetDestinationInsertionPoints();
|
|
|
|
void ScrollIntoView();
|
|
void ScrollIntoView(bool aTop);
|
|
void ScrollIntoView(const ScrollIntoViewOptions &aOptions);
|
|
void Scroll(double aXScroll, double aYScroll);
|
|
void Scroll(const ScrollToOptions& aOptions);
|
|
void ScrollTo(double aXScroll, double aYScroll);
|
|
void ScrollTo(const ScrollToOptions& aOptions);
|
|
void ScrollBy(double aXScrollDif, double aYScrollDif);
|
|
void ScrollBy(const ScrollToOptions& aOptions);
|
|
/* Scrolls without flushing the layout.
|
|
* aDx is the x offset, aDy the y offset in CSS pixels.
|
|
* Returns true if we actually scrolled.
|
|
*/
|
|
bool ScrollByNoFlush(int32_t aDx, int32_t aDy);
|
|
int32_t ScrollTop();
|
|
void SetScrollTop(int32_t aScrollTop);
|
|
int32_t ScrollLeft();
|
|
void SetScrollLeft(int32_t aScrollLeft);
|
|
int32_t ScrollWidth();
|
|
int32_t ScrollHeight();
|
|
void MozScrollSnap();
|
|
int32_t ClientTop()
|
|
{
|
|
return nsPresContext::AppUnitsToIntCSSPixels(GetClientAreaRect().y);
|
|
}
|
|
int32_t ClientLeft()
|
|
{
|
|
return nsPresContext::AppUnitsToIntCSSPixels(GetClientAreaRect().x);
|
|
}
|
|
int32_t ClientWidth()
|
|
{
|
|
return nsPresContext::AppUnitsToIntCSSPixels(GetClientAreaRect().width);
|
|
}
|
|
int32_t ClientHeight()
|
|
{
|
|
return nsPresContext::AppUnitsToIntCSSPixels(GetClientAreaRect().height);
|
|
}
|
|
int32_t ScrollTopMin()
|
|
{
|
|
nsIScrollableFrame* sf = GetScrollFrame();
|
|
return sf ?
|
|
nsPresContext::AppUnitsToIntCSSPixels(sf->GetScrollRange().y) : 0;
|
|
}
|
|
int32_t ScrollTopMax()
|
|
{
|
|
nsIScrollableFrame* sf = GetScrollFrame();
|
|
return sf ?
|
|
nsPresContext::AppUnitsToIntCSSPixels(sf->GetScrollRange().YMost()) :
|
|
0;
|
|
}
|
|
int32_t ScrollLeftMin()
|
|
{
|
|
nsIScrollableFrame* sf = GetScrollFrame();
|
|
return sf ?
|
|
nsPresContext::AppUnitsToIntCSSPixels(sf->GetScrollRange().x) : 0;
|
|
}
|
|
int32_t ScrollLeftMax()
|
|
{
|
|
nsIScrollableFrame* sf = GetScrollFrame();
|
|
return sf ?
|
|
nsPresContext::AppUnitsToIntCSSPixels(sf->GetScrollRange().XMost()) :
|
|
0;
|
|
}
|
|
|
|
virtual already_AddRefed<UndoManager> GetUndoManager()
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
virtual bool UndoScope()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
virtual void SetUndoScope(bool aUndoScope, ErrorResult& aError)
|
|
{
|
|
}
|
|
|
|
void GetAnimations(nsTArray<RefPtr<Animation>>& aAnimations);
|
|
|
|
NS_IMETHOD GetInnerHTML(nsAString& aInnerHTML);
|
|
virtual void SetInnerHTML(const nsAString& aInnerHTML, ErrorResult& aError);
|
|
void GetOuterHTML(nsAString& aOuterHTML);
|
|
void SetOuterHTML(const nsAString& aOuterHTML, ErrorResult& aError);
|
|
void InsertAdjacentHTML(const nsAString& aPosition, const nsAString& aText,
|
|
ErrorResult& aError);
|
|
|
|
//----------------------------------------
|
|
|
|
/**
|
|
* Add a script event listener with the given event handler name
|
|
* (like onclick) and with the value as JS
|
|
* @param aEventName the event listener name
|
|
* @param aValue the JS to attach
|
|
* @param aDefer indicates if deferred execution is allowed
|
|
*/
|
|
nsresult SetEventHandler(nsIAtom* aEventName,
|
|
const nsAString& aValue,
|
|
bool aDefer = true);
|
|
|
|
/**
|
|
* Do whatever needs to be done when the mouse leaves a link
|
|
*/
|
|
nsresult LeaveLink(nsPresContext* aPresContext);
|
|
|
|
static bool ShouldBlur(nsIContent *aContent);
|
|
|
|
/**
|
|
* Method to create and dispatch a left-click event loosely based on
|
|
* aSourceEvent. If aFullDispatch is true, the event will be dispatched
|
|
* through the full dispatching of the presshell of the aPresContext; if it's
|
|
* false the event will be dispatched only as a DOM event.
|
|
* If aPresContext is nullptr, this does nothing.
|
|
*
|
|
* @param aFlags Extra flags for the dispatching event. The true flags
|
|
* will be respected.
|
|
*/
|
|
static nsresult DispatchClickEvent(nsPresContext* aPresContext,
|
|
WidgetInputEvent* aSourceEvent,
|
|
nsIContent* aTarget,
|
|
bool aFullDispatch,
|
|
const EventFlags* aFlags,
|
|
nsEventStatus* aStatus);
|
|
|
|
/**
|
|
* Method to dispatch aEvent to aTarget. If aFullDispatch is true, the event
|
|
* will be dispatched through the full dispatching of the presshell of the
|
|
* aPresContext; if it's false the event will be dispatched only as a DOM
|
|
* event.
|
|
* If aPresContext is nullptr, this does nothing.
|
|
*/
|
|
using nsIContent::DispatchEvent;
|
|
static nsresult DispatchEvent(nsPresContext* aPresContext,
|
|
WidgetEvent* aEvent,
|
|
nsIContent* aTarget,
|
|
bool aFullDispatch,
|
|
nsEventStatus* aStatus);
|
|
|
|
/**
|
|
* Get the primary frame for this content with flushing
|
|
*
|
|
* @param aType the kind of flush to do, typically Flush_Frames or
|
|
* Flush_Layout
|
|
* @return the primary frame
|
|
*/
|
|
nsIFrame* GetPrimaryFrame(mozFlushType aType);
|
|
// Work around silly C++ name hiding stuff
|
|
nsIFrame* GetPrimaryFrame() const { return nsIContent::GetPrimaryFrame(); }
|
|
|
|
/**
|
|
* Struct that stores info on an attribute. The name and value must
|
|
* either both be null or both be non-null.
|
|
*/
|
|
struct nsAttrInfo {
|
|
nsAttrInfo(const nsAttrName* aName, const nsAttrValue* aValue) :
|
|
mName(aName), mValue(aValue) {}
|
|
nsAttrInfo(const nsAttrInfo& aOther) :
|
|
mName(aOther.mName), mValue(aOther.mValue) {}
|
|
|
|
const nsAttrName* mName;
|
|
const nsAttrValue* mValue;
|
|
};
|
|
|
|
const nsAttrValue* GetParsedAttr(nsIAtom* aAttr) const
|
|
{
|
|
return mAttrsAndChildren.GetAttr(aAttr);
|
|
}
|
|
|
|
/**
|
|
* Returns the attribute map, if there is one.
|
|
*
|
|
* @return existing attribute map or nullptr.
|
|
*/
|
|
nsDOMAttributeMap *GetAttributeMap()
|
|
{
|
|
nsDOMSlots *slots = GetExistingDOMSlots();
|
|
|
|
return slots ? slots->mAttributeMap.get() : nullptr;
|
|
}
|
|
|
|
virtual void RecompileScriptEventListeners()
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Get the attr info for the given namespace ID and attribute name. The
|
|
* namespace ID must not be kNameSpaceID_Unknown and the name must not be
|
|
* null. Note that this can only return info on attributes that actually
|
|
* live on this element (and is only virtual to handle XUL prototypes). That
|
|
* is, this should only be called from methods that only care about attrs
|
|
* that effectively live in mAttrsAndChildren.
|
|
*/
|
|
virtual nsAttrInfo GetAttrInfo(int32_t aNamespaceID, nsIAtom* aName) const;
|
|
|
|
virtual void NodeInfoChanged(mozilla::dom::NodeInfo* aOldNodeInfo)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* Parse a string into an nsAttrValue for a CORS attribute. This
|
|
* never fails. The resulting value is an enumerated value whose
|
|
* GetEnumValue() returns one of the above constants.
|
|
*/
|
|
static void ParseCORSValue(const nsAString& aValue, nsAttrValue& aResult);
|
|
|
|
/**
|
|
* Return the CORS mode for a given string
|
|
*/
|
|
static CORSMode StringToCORSMode(const nsAString& aValue);
|
|
|
|
/**
|
|
* Return the CORS mode for a given nsAttrValue (which may be null,
|
|
* but if not should have been parsed via ParseCORSValue).
|
|
*/
|
|
static CORSMode AttrValueToCORSMode(const nsAttrValue* aValue);
|
|
|
|
// These are just used to implement nsIDOMElement using
|
|
// NS_FORWARD_NSIDOMELEMENT_TO_GENERIC and for quickstubs.
|
|
void
|
|
GetElementsByTagName(const nsAString& aQualifiedName,
|
|
nsIDOMHTMLCollection** aResult);
|
|
nsresult
|
|
GetElementsByTagNameNS(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName,
|
|
nsIDOMHTMLCollection** aResult);
|
|
nsresult
|
|
GetElementsByClassName(const nsAString& aClassNames,
|
|
nsIDOMHTMLCollection** aResult);
|
|
void GetClassList(nsISupports** aClassList);
|
|
|
|
virtual JSObject* WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) final override;
|
|
|
|
nsINode* GetScopeChainParent() const override;
|
|
|
|
/**
|
|
* Locate an nsIEditor rooted at this content node, if there is one.
|
|
*/
|
|
nsIEditor* GetEditorInternal();
|
|
|
|
/**
|
|
* Helper method for NS_IMPL_BOOL_ATTR macro.
|
|
* Gets value of boolean attribute. Only works for attributes in null
|
|
* namespace.
|
|
*
|
|
* @param aAttr name of attribute.
|
|
* @param aValue Boolean value of attribute.
|
|
*/
|
|
bool GetBoolAttr(nsIAtom* aAttr) const
|
|
{
|
|
return HasAttr(kNameSpaceID_None, aAttr);
|
|
}
|
|
|
|
/**
|
|
* Helper method for NS_IMPL_BOOL_ATTR macro.
|
|
* Sets value of boolean attribute by removing attribute or setting it to
|
|
* the empty string. Only works for attributes in null namespace.
|
|
*
|
|
* @param aAttr name of attribute.
|
|
* @param aValue Boolean value of attribute.
|
|
*/
|
|
nsresult SetBoolAttr(nsIAtom* aAttr, bool aValue);
|
|
|
|
/**
|
|
* Helper method for NS_IMPL_ENUM_ATTR_DEFAULT_VALUE.
|
|
* Gets the enum value string of an attribute and using a default value if
|
|
* the attribute is missing or the string is an invalid enum value.
|
|
*
|
|
* @param aType the name of the attribute.
|
|
* @param aDefault the default value if the attribute is missing or invalid.
|
|
* @param aResult string corresponding to the value [out].
|
|
*/
|
|
void GetEnumAttr(nsIAtom* aAttr,
|
|
const char* aDefault,
|
|
nsAString& aResult) const;
|
|
|
|
/**
|
|
* Helper method for NS_IMPL_ENUM_ATTR_DEFAULT_MISSING_INVALID_VALUES.
|
|
* Gets the enum value string of an attribute and using the default missing
|
|
* value if the attribute is missing or the default invalid value if the
|
|
* string is an invalid enum value.
|
|
*
|
|
* @param aType the name of the attribute.
|
|
* @param aDefaultMissing the default value if the attribute is missing. If
|
|
null and the attribute is missing, aResult will be
|
|
set to the null DOMString; this only matters for
|
|
cases in which we're reflecting a nullable string.
|
|
* @param aDefaultInvalid the default value if the attribute is invalid.
|
|
* @param aResult string corresponding to the value [out].
|
|
*/
|
|
void GetEnumAttr(nsIAtom* aAttr,
|
|
const char* aDefaultMissing,
|
|
const char* aDefaultInvalid,
|
|
nsAString& aResult) const;
|
|
|
|
/**
|
|
* Unset an attribute.
|
|
*/
|
|
void UnsetAttr(nsIAtom* aAttr, ErrorResult& aError)
|
|
{
|
|
aError = UnsetAttr(kNameSpaceID_None, aAttr, true);
|
|
}
|
|
|
|
/**
|
|
* Set an attribute in the simplest way possible.
|
|
*/
|
|
void SetAttr(nsIAtom* aAttr, const nsAString& aValue, ErrorResult& aError)
|
|
{
|
|
aError = SetAttr(kNameSpaceID_None, aAttr, aValue, true);
|
|
}
|
|
|
|
/**
|
|
* Set a content attribute via a reflecting nullable string IDL
|
|
* attribute (e.g. a CORS attribute). If DOMStringIsNull(aValue),
|
|
* this will actually remove the content attribute.
|
|
*/
|
|
void SetOrRemoveNullableStringAttr(nsIAtom* aName, const nsAString& aValue,
|
|
ErrorResult& aError);
|
|
|
|
/**
|
|
* Retrieve the ratio of font-size-inflated text font size to computed font
|
|
* size for this element. This will query the element for its primary frame,
|
|
* and then use this to get font size inflation information about the frame.
|
|
*
|
|
* @returns The font size inflation ratio (inflated font size to uninflated
|
|
* font size) for the primary frame of this element. Returns 1.0
|
|
* by default if font size inflation is not enabled. Returns -1
|
|
* if the element does not have a primary frame.
|
|
*
|
|
* @note The font size inflation ratio that is returned is actually the
|
|
* font size inflation data for the element's _primary frame_, not the
|
|
* element itself, but for most purposes, this should be sufficient.
|
|
*/
|
|
float FontSizeInflation();
|
|
|
|
net::ReferrerPolicy GetReferrerPolicyAsEnum();
|
|
|
|
protected:
|
|
/*
|
|
* Named-bools for use with SetAttrAndNotify to make call sites easier to
|
|
* read.
|
|
*/
|
|
static const bool kFireMutationEvent = true;
|
|
static const bool kDontFireMutationEvent = false;
|
|
static const bool kNotifyDocumentObservers = true;
|
|
static const bool kDontNotifyDocumentObservers = false;
|
|
static const bool kCallAfterSetAttr = true;
|
|
static const bool kDontCallAfterSetAttr = false;
|
|
|
|
/**
|
|
* Set attribute and (if needed) notify documentobservers and fire off
|
|
* mutation events. This will send the AttributeChanged notification.
|
|
* Callers of this method are responsible for calling AttributeWillChange,
|
|
* since that needs to happen before the new attr value has been set, and
|
|
* in particular before it has been parsed.
|
|
*
|
|
* For the boolean parameters, consider using the named bools above to aid
|
|
* code readability.
|
|
*
|
|
* @param aNamespaceID namespace of attribute
|
|
* @param aAttribute local-name of attribute
|
|
* @param aPrefix aPrefix of attribute
|
|
* @param aOldValue The old value of the attribute to use as a fallback
|
|
* in the cases where the actual old value (i.e.
|
|
* its current value) is !StoresOwnData() --- in which
|
|
* case the current value is probably already useless.
|
|
* If the current value is StoresOwnData() (or absent),
|
|
* aOldValue will not be used.
|
|
* @param aParsedValue parsed new value of attribute. Replaced by the
|
|
* old value of the attribute. This old value is only
|
|
* useful if either it or the new value is StoresOwnData.
|
|
* @param aModType nsIDOMMutationEvent::MODIFICATION or ADDITION. Only
|
|
* needed if aFireMutation or aNotify is true.
|
|
* @param aFireMutation should mutation-events be fired?
|
|
* @param aNotify should we notify document-observers?
|
|
* @param aCallAfterSetAttr should we call AfterSetAttr?
|
|
*/
|
|
nsresult SetAttrAndNotify(int32_t aNamespaceID,
|
|
nsIAtom* aName,
|
|
nsIAtom* aPrefix,
|
|
const nsAttrValue& aOldValue,
|
|
nsAttrValue& aParsedValue,
|
|
uint8_t aModType,
|
|
bool aFireMutation,
|
|
bool aNotify,
|
|
bool aCallAfterSetAttr);
|
|
|
|
/**
|
|
* Scroll to a new position using behavior evaluated from CSS and
|
|
* a CSSOM-View DOM method ScrollOptions dictionary. The scrolling may
|
|
* be performed asynchronously or synchronously depending on the resolved
|
|
* scroll-behavior.
|
|
*
|
|
* @param aScroll Destination of scroll, in CSS pixels
|
|
* @param aOptions Dictionary of options to be evaluated
|
|
*/
|
|
void Scroll(const CSSIntPoint& aScroll, const ScrollOptions& aOptions);
|
|
|
|
/**
|
|
* Convert an attribute string value to attribute type based on the type of
|
|
* attribute. Called by SetAttr(). Note that at the moment we only do this
|
|
* for attributes in the null namespace (kNameSpaceID_None).
|
|
*
|
|
* @param aNamespaceID the namespace of the attribute to convert
|
|
* @param aAttribute the attribute to convert
|
|
* @param aValue the string value to convert
|
|
* @param aResult the nsAttrValue [OUT]
|
|
* @return true if the parsing was successful, false otherwise
|
|
*/
|
|
virtual bool ParseAttribute(int32_t aNamespaceID,
|
|
nsIAtom* aAttribute,
|
|
const nsAString& aValue,
|
|
nsAttrValue& aResult);
|
|
|
|
/**
|
|
* Try to set the attribute as a mapped attribute, if applicable. This will
|
|
* only be called for attributes that are in the null namespace and only on
|
|
* attributes that returned true when passed to IsAttributeMapped. The
|
|
* caller will not try to set the attr in any other way if this method
|
|
* returns true (the value of aRetval does not matter for that purpose).
|
|
*
|
|
* @param aDocument the current document of this node (an optimization)
|
|
* @param aName the name of the attribute
|
|
* @param aValue the nsAttrValue to set
|
|
* @param [out] aRetval the nsresult status of the operation, if any.
|
|
* @return true if the setting was attempted, false otherwise.
|
|
*/
|
|
virtual bool SetMappedAttribute(nsIDocument* aDocument,
|
|
nsIAtom* aName,
|
|
nsAttrValue& aValue,
|
|
nsresult* aRetval);
|
|
|
|
/**
|
|
* Hook that is called by Element::SetAttr to allow subclasses to
|
|
* deal with attribute sets. This will only be called after we verify that
|
|
* we're actually doing an attr set and will be called before
|
|
* AttributeWillChange and before ParseAttribute and hence before we've set
|
|
* the new value.
|
|
*
|
|
* @param aNamespaceID the namespace of the attr being set
|
|
* @param aName the localname of the attribute being set
|
|
* @param aValue the value it's being set to represented as either a string or
|
|
* a parsed nsAttrValue. Alternatively, if the attr is being removed it
|
|
* will be null. BeforeSetAttr is allowed to modify aValue by parsing
|
|
* the string to an nsAttrValue (to avoid having to reparse it in
|
|
* ParseAttribute).
|
|
* @param aNotify Whether we plan to notify document observers.
|
|
*/
|
|
// Note that this is inlined so that when subclasses call it it gets
|
|
// inlined. Those calls don't go through a vtable.
|
|
virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
|
nsAttrValueOrString* aValue,
|
|
bool aNotify);
|
|
|
|
/**
|
|
* Hook that is called by Element::SetAttr to allow subclasses to
|
|
* deal with attribute sets. This will only be called after we have called
|
|
* SetAndTakeAttr and AttributeChanged (that is, after we have actually set
|
|
* the attr). It will always be called under a scriptblocker.
|
|
*
|
|
* @param aNamespaceID the namespace of the attr being set
|
|
* @param aName the localname of the attribute being set
|
|
* @param aValue the value it's being set to. If null, the attr is being
|
|
* removed.
|
|
* @param aNotify Whether we plan to notify document observers.
|
|
*/
|
|
// Note that this is inlined so that when subclasses call it it gets
|
|
// inlined. Those calls don't go through a vtable.
|
|
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
|
|
const nsAttrValue* aValue, bool aNotify)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
/**
|
|
* Hook to allow subclasses to produce a different EventListenerManager if
|
|
* needed for attachment of attribute-defined handlers
|
|
*/
|
|
virtual EventListenerManager*
|
|
GetEventListenerManagerForAttr(nsIAtom* aAttrName, bool* aDefer);
|
|
|
|
/**
|
|
* Internal hook for converting an attribute name-string to nsAttrName in
|
|
* case there is such existing attribute. aNameToUse can be passed to get
|
|
* name which was used for looking for the attribute (lowercase in HTML).
|
|
*/
|
|
const nsAttrName*
|
|
InternalGetAttrNameFromQName(const nsAString& aStr,
|
|
nsAutoString* aNameToUse = nullptr) const;
|
|
|
|
nsIFrame* GetStyledFrame();
|
|
|
|
virtual Element* GetNameSpaceElement() override
|
|
{
|
|
return this;
|
|
}
|
|
|
|
Attr* GetAttributeNodeNSInternal(const nsAString& aNamespaceURI,
|
|
const nsAString& aLocalName);
|
|
|
|
inline void RegisterActivityObserver();
|
|
inline void UnregisterActivityObserver();
|
|
|
|
/**
|
|
* Add/remove this element to the documents id cache
|
|
*/
|
|
void AddToIdTable(nsIAtom* aId);
|
|
void RemoveFromIdTable();
|
|
|
|
/**
|
|
* Functions to carry out event default actions for links of all types
|
|
* (HTML links, XLinks, SVG "XLinks", etc.)
|
|
*/
|
|
|
|
/**
|
|
* Check that we meet the conditions to handle a link event
|
|
* and that we are actually on a link.
|
|
*
|
|
* @param aVisitor event visitor
|
|
* @param aURI the uri of the link, set only if the return value is true [OUT]
|
|
* @return true if we can handle the link event, false otherwise
|
|
*/
|
|
bool CheckHandleEventForLinksPrecondition(EventChainVisitor& aVisitor,
|
|
nsIURI** aURI) const;
|
|
|
|
/**
|
|
* Handle status bar updates before they can be cancelled.
|
|
*/
|
|
nsresult PreHandleEventForLinks(EventChainPreVisitor& aVisitor);
|
|
|
|
/**
|
|
* Handle default actions for link event if the event isn't consumed yet.
|
|
*/
|
|
nsresult PostHandleEventForLinks(EventChainPostVisitor& aVisitor);
|
|
|
|
/**
|
|
* Get the target of this link element. Consumers should established that
|
|
* this element is a link (probably using IsLink) before calling this
|
|
* function (or else why call it?)
|
|
*
|
|
* Note: for HTML this gets the value of the 'target' attribute; for XLink
|
|
* this gets the value of the xlink:_moz_target attribute, or failing that,
|
|
* the value of xlink:show, converted to a suitably equivalent named target
|
|
* (e.g. _blank).
|
|
*/
|
|
virtual void GetLinkTarget(nsAString& aTarget);
|
|
|
|
nsDOMTokenList* GetTokenList(nsIAtom* aAtom,
|
|
const DOMTokenListSupportedTokenArray aSupportedTokens = nullptr);
|
|
void GetTokenList(nsIAtom* aAtom, nsIVariant** aResult);
|
|
nsresult SetTokenList(nsIAtom* aAtom, nsIVariant* aValue);
|
|
|
|
private:
|
|
/**
|
|
* Get this element's client area rect in app units.
|
|
* @return the frame's client area
|
|
*/
|
|
nsRect GetClientAreaRect();
|
|
|
|
nsIScrollableFrame* GetScrollFrame(nsIFrame **aStyledFrame = nullptr,
|
|
bool aFlushLayout = true);
|
|
|
|
// Data members
|
|
EventStates mState;
|
|
};
|
|
|
|
class RemoveFromBindingManagerRunnable : public nsRunnable
|
|
{
|
|
public:
|
|
RemoveFromBindingManagerRunnable(nsBindingManager* aManager,
|
|
nsIContent* aContent,
|
|
nsIDocument* aDoc);
|
|
|
|
NS_IMETHOD Run() override;
|
|
private:
|
|
virtual ~RemoveFromBindingManagerRunnable();
|
|
RefPtr<nsBindingManager> mManager;
|
|
RefPtr<nsIContent> mContent;
|
|
nsCOMPtr<nsIDocument> mDoc;
|
|
};
|
|
|
|
class DestinationInsertionPointList : public nsINodeList
|
|
{
|
|
public:
|
|
explicit DestinationInsertionPointList(Element* aElement);
|
|
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DestinationInsertionPointList)
|
|
|
|
// nsIDOMNodeList
|
|
NS_DECL_NSIDOMNODELIST
|
|
|
|
// nsINodeList
|
|
virtual nsIContent* Item(uint32_t aIndex) override;
|
|
virtual int32_t IndexOf(nsIContent* aContent) override;
|
|
virtual nsINode* GetParentObject() override { return mParent; }
|
|
virtual uint32_t Length() const;
|
|
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
|
|
protected:
|
|
virtual ~DestinationInsertionPointList();
|
|
|
|
RefPtr<Element> mParent;
|
|
nsCOMArray<nsIContent> mDestinationPoints;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(Element, NS_ELEMENT_IID)
|
|
|
|
inline bool
|
|
Element::HasAttr(int32_t aNameSpaceID, nsIAtom* aName) const
|
|
{
|
|
NS_ASSERTION(nullptr != aName, "must have attribute name");
|
|
NS_ASSERTION(aNameSpaceID != kNameSpaceID_Unknown,
|
|
"must have a real namespace ID!");
|
|
|
|
return mAttrsAndChildren.IndexOfAttr(aName, aNameSpaceID) >= 0;
|
|
}
|
|
|
|
inline bool
|
|
Element::AttrValueIs(int32_t aNameSpaceID,
|
|
nsIAtom* aName,
|
|
const nsAString& aValue,
|
|
nsCaseTreatment aCaseSensitive) const
|
|
{
|
|
NS_ASSERTION(aName, "Must have attr name");
|
|
NS_ASSERTION(aNameSpaceID != kNameSpaceID_Unknown, "Must have namespace");
|
|
|
|
const nsAttrValue* val = mAttrsAndChildren.GetAttr(aName, aNameSpaceID);
|
|
return val && val->Equals(aValue, aCaseSensitive);
|
|
}
|
|
|
|
inline bool
|
|
Element::AttrValueIs(int32_t aNameSpaceID,
|
|
nsIAtom* aName,
|
|
nsIAtom* aValue,
|
|
nsCaseTreatment aCaseSensitive) const
|
|
{
|
|
NS_ASSERTION(aName, "Must have attr name");
|
|
NS_ASSERTION(aNameSpaceID != kNameSpaceID_Unknown, "Must have namespace");
|
|
NS_ASSERTION(aValue, "Null value atom");
|
|
|
|
const nsAttrValue* val = mAttrsAndChildren.GetAttr(aName, aNameSpaceID);
|
|
return val && val->Equals(aValue, aCaseSensitive);
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
inline mozilla::dom::Element* nsINode::AsElement()
|
|
{
|
|
MOZ_ASSERT(IsElement());
|
|
return static_cast<mozilla::dom::Element*>(this);
|
|
}
|
|
|
|
inline const mozilla::dom::Element* nsINode::AsElement() const
|
|
{
|
|
MOZ_ASSERT(IsElement());
|
|
return static_cast<const mozilla::dom::Element*>(this);
|
|
}
|
|
|
|
/**
|
|
* Macros to implement Clone(). _elementName is the class for which to implement
|
|
* Clone.
|
|
*/
|
|
#define NS_IMPL_ELEMENT_CLONE(_elementName) \
|
|
nsresult \
|
|
_elementName::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const \
|
|
{ \
|
|
*aResult = nullptr; \
|
|
already_AddRefed<mozilla::dom::NodeInfo> ni = \
|
|
RefPtr<mozilla::dom::NodeInfo>(aNodeInfo).forget(); \
|
|
_elementName *it = new _elementName(ni); \
|
|
if (!it) { \
|
|
return NS_ERROR_OUT_OF_MEMORY; \
|
|
} \
|
|
\
|
|
nsCOMPtr<nsINode> kungFuDeathGrip = it; \
|
|
nsresult rv = const_cast<_elementName*>(this)->CopyInnerTo(it); \
|
|
if (NS_SUCCEEDED(rv)) { \
|
|
kungFuDeathGrip.swap(*aResult); \
|
|
} \
|
|
\
|
|
return rv; \
|
|
}
|
|
|
|
#define NS_IMPL_ELEMENT_CLONE_WITH_INIT(_elementName) \
|
|
nsresult \
|
|
_elementName::Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const \
|
|
{ \
|
|
*aResult = nullptr; \
|
|
already_AddRefed<mozilla::dom::NodeInfo> ni = \
|
|
RefPtr<mozilla::dom::NodeInfo>(aNodeInfo).forget(); \
|
|
_elementName *it = new _elementName(ni); \
|
|
if (!it) { \
|
|
return NS_ERROR_OUT_OF_MEMORY; \
|
|
} \
|
|
\
|
|
nsCOMPtr<nsINode> kungFuDeathGrip = it; \
|
|
nsresult rv = it->Init(); \
|
|
nsresult rv2 = const_cast<_elementName*>(this)->CopyInnerTo(it); \
|
|
if (NS_FAILED(rv2)) { \
|
|
rv = rv2; \
|
|
} \
|
|
if (NS_SUCCEEDED(rv)) { \
|
|
kungFuDeathGrip.swap(*aResult); \
|
|
} \
|
|
\
|
|
return rv; \
|
|
}
|
|
|
|
/**
|
|
* A macro to implement the getter and setter for a given string
|
|
* valued content property. The method uses the generic GetAttr and
|
|
* SetAttr methods. We use the 5-argument form of SetAttr, because
|
|
* some consumers only implement that one, hiding superclass
|
|
* 4-argument forms.
|
|
*/
|
|
#define NS_IMPL_STRING_ATTR(_class, _method, _atom) \
|
|
NS_IMETHODIMP \
|
|
_class::Get##_method(nsAString& aValue) \
|
|
{ \
|
|
GetAttr(kNameSpaceID_None, nsGkAtoms::_atom, aValue); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHODIMP \
|
|
_class::Set##_method(const nsAString& aValue) \
|
|
{ \
|
|
return SetAttr(kNameSpaceID_None, nsGkAtoms::_atom, nullptr, aValue, true); \
|
|
}
|
|
|
|
/**
|
|
* A macro to implement the getter and setter for a given boolean
|
|
* valued content property. The method uses the GetBoolAttr and
|
|
* SetBoolAttr methods.
|
|
*/
|
|
#define NS_IMPL_BOOL_ATTR(_class, _method, _atom) \
|
|
NS_IMETHODIMP \
|
|
_class::Get##_method(bool* aValue) \
|
|
{ \
|
|
*aValue = GetBoolAttr(nsGkAtoms::_atom); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHODIMP \
|
|
_class::Set##_method(bool aValue) \
|
|
{ \
|
|
return SetBoolAttr(nsGkAtoms::_atom, aValue); \
|
|
}
|
|
|
|
#define NS_FORWARD_NSIDOMELEMENT_TO_GENERIC \
|
|
typedef mozilla::dom::Element Element; \
|
|
NS_IMETHOD GetTagName(nsAString& aTagName) final override \
|
|
{ \
|
|
Element::GetTagName(aTagName); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetId(nsAString& aId) final override \
|
|
{ \
|
|
Element::GetId(aId); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetId(const nsAString& aId) final override \
|
|
{ \
|
|
Element::SetId(aId); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClassName(nsAString& aClassName) final override \
|
|
{ \
|
|
Element::GetClassName(aClassName); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetClassName(const nsAString& aClassName) final override \
|
|
{ \
|
|
Element::SetClassName(aClassName); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClassList(nsISupports** aClassList) final override \
|
|
{ \
|
|
Element::GetClassList(aClassList); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetAttributes(nsIDOMMozNamedAttrMap** aAttributes) final override \
|
|
{ \
|
|
NS_ADDREF(*aAttributes = Attributes()); \
|
|
return NS_OK; \
|
|
} \
|
|
using Element::GetAttribute; \
|
|
NS_IMETHOD GetAttribute(const nsAString& name, nsAString& _retval) final \
|
|
override \
|
|
{ \
|
|
nsString attr; \
|
|
GetAttribute(name, attr); \
|
|
_retval = attr; \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetAttributeNS(const nsAString& namespaceURI, \
|
|
const nsAString& localName, \
|
|
nsAString& _retval) final override \
|
|
{ \
|
|
Element::GetAttributeNS(namespaceURI, localName, _retval); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetAttribute(const nsAString& name, \
|
|
const nsAString& value) override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
Element::SetAttribute(name, value, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD SetAttributeNS(const nsAString& namespaceURI, \
|
|
const nsAString& qualifiedName, \
|
|
const nsAString& value) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
Element::SetAttributeNS(namespaceURI, qualifiedName, value, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
using Element::RemoveAttribute; \
|
|
NS_IMETHOD RemoveAttribute(const nsAString& name) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
RemoveAttribute(name, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD RemoveAttributeNS(const nsAString& namespaceURI, \
|
|
const nsAString& localName) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
Element::RemoveAttributeNS(namespaceURI, localName, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
using Element::HasAttribute; \
|
|
NS_IMETHOD HasAttribute(const nsAString& name, \
|
|
bool* _retval) final override \
|
|
{ \
|
|
*_retval = HasAttribute(name); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD HasAttributeNS(const nsAString& namespaceURI, \
|
|
const nsAString& localName, \
|
|
bool* _retval) final override \
|
|
{ \
|
|
*_retval = Element::HasAttributeNS(namespaceURI, localName); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD HasAttributes(bool* _retval) final override \
|
|
{ \
|
|
*_retval = Element::HasAttributes(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetAttributeNode(const nsAString& name, \
|
|
nsIDOMAttr** _retval) final override \
|
|
{ \
|
|
NS_IF_ADDREF(*_retval = Element::GetAttributeNode(name)); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetAttributeNode(nsIDOMAttr* newAttr, \
|
|
nsIDOMAttr** _retval) final override \
|
|
{ \
|
|
if (!newAttr) { \
|
|
return NS_ERROR_INVALID_POINTER; \
|
|
} \
|
|
mozilla::ErrorResult rv; \
|
|
mozilla::dom::Attr* attr = static_cast<mozilla::dom::Attr*>(newAttr); \
|
|
*_retval = Element::SetAttributeNode(*attr, rv).take(); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD RemoveAttributeNode(nsIDOMAttr* oldAttr, \
|
|
nsIDOMAttr** _retval) final override \
|
|
{ \
|
|
if (!oldAttr) { \
|
|
return NS_ERROR_INVALID_POINTER; \
|
|
} \
|
|
mozilla::ErrorResult rv; \
|
|
mozilla::dom::Attr* attr = static_cast<mozilla::dom::Attr*>(oldAttr); \
|
|
*_retval = Element::RemoveAttributeNode(*attr, rv).take(); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD GetAttributeNodeNS(const nsAString& namespaceURI, \
|
|
const nsAString& localName, \
|
|
nsIDOMAttr** _retval) final override \
|
|
{ \
|
|
NS_IF_ADDREF(*_retval = Element::GetAttributeNodeNS(namespaceURI, \
|
|
localName)); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetAttributeNodeNS(nsIDOMAttr* newAttr, \
|
|
nsIDOMAttr** _retval) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
mozilla::dom::Attr* attr = static_cast<mozilla::dom::Attr*>(newAttr); \
|
|
*_retval = Element::SetAttributeNodeNS(*attr, rv).take(); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD GetElementsByTagName(const nsAString& name, \
|
|
nsIDOMHTMLCollection** _retval) final \
|
|
override \
|
|
{ \
|
|
Element::GetElementsByTagName(name, _retval); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetElementsByTagNameNS(const nsAString& namespaceURI, \
|
|
const nsAString& localName, \
|
|
nsIDOMHTMLCollection** _retval) final \
|
|
override \
|
|
{ \
|
|
return Element::GetElementsByTagNameNS(namespaceURI, localName, \
|
|
_retval); \
|
|
} \
|
|
NS_IMETHOD GetElementsByClassName(const nsAString& classes, \
|
|
nsIDOMHTMLCollection** _retval) final \
|
|
override \
|
|
{ \
|
|
return Element::GetElementsByClassName(classes, _retval); \
|
|
} \
|
|
NS_IMETHOD GetChildElements(nsIDOMNodeList** aChildElements) final override \
|
|
{ \
|
|
nsIHTMLCollection* list = FragmentOrElement::Children(); \
|
|
return CallQueryInterface(list, aChildElements); \
|
|
} \
|
|
NS_IMETHOD GetFirstElementChild(nsIDOMElement** aFirstElementChild) final \
|
|
override \
|
|
{ \
|
|
Element* element = Element::GetFirstElementChild(); \
|
|
if (!element) { \
|
|
*aFirstElementChild = nullptr; \
|
|
return NS_OK; \
|
|
} \
|
|
return CallQueryInterface(element, aFirstElementChild); \
|
|
} \
|
|
NS_IMETHOD GetLastElementChild(nsIDOMElement** aLastElementChild) final \
|
|
override \
|
|
{ \
|
|
Element* element = Element::GetLastElementChild(); \
|
|
if (!element) { \
|
|
*aLastElementChild = nullptr; \
|
|
return NS_OK; \
|
|
} \
|
|
return CallQueryInterface(element, aLastElementChild); \
|
|
} \
|
|
NS_IMETHOD GetPreviousElementSibling(nsIDOMElement** aPreviousElementSibling) \
|
|
final override \
|
|
{ \
|
|
Element* element = Element::GetPreviousElementSibling(); \
|
|
if (!element) { \
|
|
*aPreviousElementSibling = nullptr; \
|
|
return NS_OK; \
|
|
} \
|
|
return CallQueryInterface(element, aPreviousElementSibling); \
|
|
} \
|
|
NS_IMETHOD GetNextElementSibling(nsIDOMElement** aNextElementSibling) \
|
|
final override \
|
|
{ \
|
|
Element* element = Element::GetNextElementSibling(); \
|
|
if (!element) { \
|
|
*aNextElementSibling = nullptr; \
|
|
return NS_OK; \
|
|
} \
|
|
return CallQueryInterface(element, aNextElementSibling); \
|
|
} \
|
|
NS_IMETHOD GetChildElementCount(uint32_t* aChildElementCount) final override \
|
|
{ \
|
|
*aChildElementCount = Element::ChildElementCount(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD MozRemove() final override \
|
|
{ \
|
|
nsINode::Remove(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClientRects(nsIDOMClientRectList** _retval) final override \
|
|
{ \
|
|
*_retval = Element::GetClientRects().take(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetBoundingClientRect(nsIDOMClientRect** _retval) final override \
|
|
{ \
|
|
*_retval = Element::GetBoundingClientRect().take(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollTop(int32_t* aScrollTop) final override \
|
|
{ \
|
|
*aScrollTop = Element::ScrollTop(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetScrollTop(int32_t aScrollTop) final override \
|
|
{ \
|
|
Element::SetScrollTop(aScrollTop); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollLeft(int32_t* aScrollLeft) final override \
|
|
{ \
|
|
*aScrollLeft = Element::ScrollLeft(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD SetScrollLeft(int32_t aScrollLeft) final override \
|
|
{ \
|
|
Element::SetScrollLeft(aScrollLeft); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollWidth(int32_t* aScrollWidth) final override \
|
|
{ \
|
|
*aScrollWidth = Element::ScrollWidth(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollHeight(int32_t* aScrollHeight) final override \
|
|
{ \
|
|
*aScrollHeight = Element::ScrollHeight(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClientTop(int32_t* aClientTop) final override \
|
|
{ \
|
|
*aClientTop = Element::ClientTop(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClientLeft(int32_t* aClientLeft) final override \
|
|
{ \
|
|
*aClientLeft = Element::ClientLeft(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClientWidth(int32_t* aClientWidth) final override \
|
|
{ \
|
|
*aClientWidth = Element::ClientWidth(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetClientHeight(int32_t* aClientHeight) final override \
|
|
{ \
|
|
*aClientHeight = Element::ClientHeight(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollLeftMax(int32_t* aScrollLeftMax) final override \
|
|
{ \
|
|
*aScrollLeftMax = Element::ScrollLeftMax(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD GetScrollTopMax(int32_t* aScrollTopMax) final override \
|
|
{ \
|
|
*aScrollTopMax = Element::ScrollTopMax(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD MozMatchesSelector(const nsAString& selector, \
|
|
bool* _retval) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
*_retval = Element::Matches(selector, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD SetCapture(bool retargetToElement) final override \
|
|
{ \
|
|
Element::SetCapture(retargetToElement); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD ReleaseCapture(void) final override \
|
|
{ \
|
|
Element::ReleaseCapture(); \
|
|
return NS_OK; \
|
|
} \
|
|
NS_IMETHOD MozRequestFullScreen(void) final override \
|
|
{ \
|
|
mozilla::ErrorResult rv; \
|
|
Element::MozRequestFullScreen(nullptr, JS::UndefinedHandleValue, rv); \
|
|
return rv.StealNSResult(); \
|
|
} \
|
|
NS_IMETHOD MozRequestPointerLock(void) final override \
|
|
{ \
|
|
Element::MozRequestPointerLock(); \
|
|
return NS_OK; \
|
|
} \
|
|
using nsINode::QuerySelector; \
|
|
NS_IMETHOD QuerySelector(const nsAString& aSelector, \
|
|
nsIDOMElement **aReturn) final override \
|
|
{ \
|
|
return nsINode::QuerySelector(aSelector, aReturn); \
|
|
} \
|
|
using nsINode::QuerySelectorAll; \
|
|
NS_IMETHOD QuerySelectorAll(const nsAString& aSelector, \
|
|
nsIDOMNodeList **aReturn) final override \
|
|
{ \
|
|
return nsINode::QuerySelectorAll(aSelector, aReturn); \
|
|
}
|
|
|
|
#endif // mozilla_dom_Element_h__
|