dom/base/Attr.h
author Simon Whitehead <chemnova@gmail.com>
Sat, 13 May 2017 15:12:15 -0500
changeset 358329 633151f5d481d49bd39900d43e6a75d77459a7bb
parent 355743 c6af127dce9d85ee8c42b13235b5fa6133d3a0e2
child 378242 b137fb389c957db3a3cc47c0c51fb7957a1da2e9
permissions -rw-r--r--
servo: Merge #16829 - Disallow negative duration for animation and transition (from hiikezoe:disallow-negative-duration); r=emilio <!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] These changes fix #15343 <!-- Either: --> - [X] There are tests for these changes written by @simon-whitehead . Thank you! <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 4613c0382ab76263fb8202ccf52f4c0520e44809

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * Implementation of DOM Core's nsIDOMAttr node.
 */

#ifndef mozilla_dom_Attr_h
#define mozilla_dom_Attr_h

#include "mozilla/Attributes.h"
#include "nsIAttribute.h"
#include "nsIDOMAttr.h"
#include "nsIDOMText.h"
#include "nsIDOMNodeList.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsStubMutationObserver.h"

class nsIDocument;

namespace mozilla {
class EventChainPreVisitor;
namespace dom {

// Attribute helper class used to wrap up an attribute with a dom
// object that implements nsIDOMAttr and nsIDOMNode
class Attr final : public nsIAttribute,
                   public nsIDOMAttr
{
  virtual ~Attr() {}

public:
  Attr(nsDOMAttributeMap* aAttrMap,
       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
       const nsAString& aValue);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  // nsIDOMNode interface
  NS_FORWARD_NSIDOMNODE_TO_NSINODE
  virtual void GetTextContentInternal(nsAString& aTextContent,
                                      OOMReporter& aError) override;
  virtual void SetTextContentInternal(const nsAString& aTextContent,
                                      ErrorResult& aError) override;
  virtual void GetNodeValueInternal(nsAString& aNodeValue) override;
  virtual void SetNodeValueInternal(const nsAString& aNodeValue,
                                    ErrorResult& aError) override;

  // nsIDOMAttr interface
  NS_DECL_NSIDOMATTR

  virtual nsresult GetEventTargetParent(EventChainPreVisitor& aVisitor) override;

  // nsIAttribute interface
  void SetMap(nsDOMAttributeMap *aMap) override;
  Element* GetElement() const;
  nsresult SetOwnerDocument(nsIDocument* aDocument) override;

  // nsINode interface
  virtual bool IsNodeOfType(uint32_t aFlags) const override;
  virtual uint32_t GetChildCount() const override;
  virtual nsIContent *GetChildAt(uint32_t aIndex) const override;
  virtual nsIContent * const * GetChildArray(uint32_t* aChildCount) const override;
  virtual int32_t IndexOf(const nsINode* aPossibleChild) const override;
  virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
                                 bool aNotify) override;
  virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
  virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
                         bool aPreallocateChildren) const override;
  virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const override;

  static void Initialize();
  static void Shutdown();

  NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(Attr,
                                                                   nsIAttribute)

  virtual nsIDOMNode* AsDOMNode() override { return this; }

  // WebIDL
  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  // XPCOM GetName() is OK
  // XPCOM GetValue() is OK

  void SetValue(const nsAString& aValue, ErrorResult& aRv);

  bool Specified() const;

  // XPCOM GetNamespaceURI() is OK
  // XPCOM GetPrefix() is OK
  // XPCOM GetLocalName() is OK

  Element* GetOwnerElement(ErrorResult& aRv);

protected:
  virtual Element* GetNameSpaceElement() override
  {
    return GetElement();
  }

  static bool sInitialized;

private:
  nsString mValue;
};

} // namespace dom
} // namespace mozilla

#endif /* mozilla_dom_Attr_h */