dom/base/nsTraversal.h
author Simon Whitehead <chemnova@gmail.com>
Sat, 13 May 2017 15:12:15 -0500
changeset 358329 633151f5d481d49bd39900d43e6a75d77459a7bb
parent 306928 003da22902a615be6b8f48d00f36331cbae17f5c
child 367749 6a629adbb62a299d7208373d1c6f375149d2afdb
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 Traversal's nsIDOMTreeWalker
 */

#ifndef nsTraversal_h___
#define nsTraversal_h___

#include "nsCOMPtr.h"
#include "nsIDocument.h" // for NodeFilterHolder
#include "mozilla/dom/CallbackObject.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/NodeFilterBinding.h"
#include "nsIDOMNodeFilter.h"

class nsINode;

class nsTraversal
{
public:
    nsTraversal(nsINode *aRoot,
                uint32_t aWhatToShow,
                mozilla::dom::NodeFilterHolder aFilter);
    virtual ~nsTraversal();

protected:
    nsCOMPtr<nsINode> mRoot;
    uint32_t mWhatToShow;
    mozilla::dom::NodeFilterHolder mFilter;
    bool mInAcceptNode;

    /*
     * Tests if and how a node should be filtered. Uses mWhatToShow and
     * mFilter to test the node.
     * @param aNode     Node to test
     * @param aResult   Whether we succeeded
     * @returns         Filtervalue. See nsIDOMNodeFilter.idl
     */
    int16_t TestNode(nsINode* aNode, mozilla::ErrorResult& aResult);
};

#endif