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#pragma once
27
28#include <wtf/OptionSet.h>
29
30namespace WebCore {
31
32// FIXME: Some of these milestones are about layout, and others are about painting.
33// We should either re-name them to something more generic, or split them into
34// two enums -- one for painting and one for layout.
35enum LayoutMilestone {
36 DidFirstLayout = 1 << 0,
37 DidFirstVisuallyNonEmptyLayout = 1 << 1,
38 DidHitRelevantRepaintedObjectsAreaThreshold = 1 << 2,
39 DidFirstFlushForHeaderLayer = 1 << 3,
40 DidFirstLayoutAfterSuppressedIncrementalRendering = 1 << 4,
41 DidFirstPaintAfterSuppressedIncrementalRendering = 1 << 5,
42 ReachedSessionRestorationRenderTreeSizeThreshold = 1 << 6, // FIXME: only implemented by WK2 currently.
43 DidRenderSignificantAmountOfText = 1 << 7,
44 DidFirstMeaningfulPaint = 1 << 8,
45};
46
47} // namespace WebCore
48