1/* 2 * Copyright (C) 2012 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef LayoutMilestones_h 27#define LayoutMilestones_h 28 29namespace WebCore { 30 31// FIXME: Some of these milestones are about layout, and others are about painting. 32// We should either re-name them to something more generic, or split them into 33// two enums -- one for painting and one for layout. 34enum LayoutMilestoneFlag { 35 DidFirstLayout = 1 << 0, 36 DidFirstVisuallyNonEmptyLayout = 1 << 1, 37 DidHitRelevantRepaintedObjectsAreaThreshold = 1 << 2, 38 DidFirstFlushForHeaderLayer = 1 << 3, 39 DidFirstLayoutAfterSuppressedIncrementalRendering = 1 << 4, 40 DidFirstPaintAfterSuppressedIncrementalRendering = 1 << 5 41}; 42 43typedef unsigned LayoutMilestones; 44 45} // namespace WebCore 46 47#endif // LayoutMilestones_h 48