1/*
2 * Copyright (C) 2006, 2007, 2008, 2016 Apple Inc. All rights reserved.
3 *
4 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
5 *
6 * Other contributors:
7 * Robert O'Callahan <roc+@cs.cmu.edu>
8 * David Baron <dbaron@fas.harvard.edu>
9 * Christian Biesinger <cbiesinger@web.de>
10 * Randall Jesup <rjesup@wgate.com>
11 * Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
12 * Josh Soref <timeless@mac.com>
13 * Boris Zbarsky <bzbarsky@mit.edu>
14 *
15 * This library is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU Lesser General Public
17 * License as published by the Free Software Foundation; either
18 * version 2.1 of the License, or (at your option) any later version.
19 *
20 * This library is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 * Lesser General Public License for more details.
24 *
25 * You should have received a copy of the GNU Lesser General Public
26 * License along with this library; if not, write to the Free Software
27 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
28 *
29 * Alternatively, the contents of this file may be used under the terms
30 * of either the Mozilla Public License Version 1.1, found at
31 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
32 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
33 * (the "GPL"), in which case the provisions of the MPL or the GPL are
34 * applicable instead of those above. If you wish to allow use of your
35 * version of this file only under the terms of one of those two
36 * licenses (the MPL or the GPL) and not to allow others to use your
37 * version of this file under the LGPL, indicate your decision by
38 * deletingthe provisions above and replace them with the notice and
39 * other provisions required by the MPL or the GPL, as the case may be.
40 * If you do not delete the provisions above, a recipient may use your
41 * version of this file under any of the LGPL, the MPL or the GPL.
42 */
43
44#include "config.h"
45#include "ScrollAlignment.h"
46
47#include "Logging.h"
48#include <wtf/text/TextStream.h>
49
50namespace WebCore {
51
52const ScrollAlignment ScrollAlignment::alignCenterIfNotVisible = { Behavior::NoScroll, Behavior::AlignCenter, Behavior::NoScroll };
53const ScrollAlignment ScrollAlignment::alignToEdgeIfNotVisible = { Behavior::NoScroll, Behavior::AlignToClosestEdge, Behavior::NoScroll };
54const ScrollAlignment ScrollAlignment::alignCenterIfNeeded = { Behavior::NoScroll, Behavior::AlignCenter, Behavior::AlignToClosestEdge };
55WEBCORE_EXPORT const ScrollAlignment ScrollAlignment::alignToEdgeIfNeeded = { Behavior::NoScroll, Behavior::AlignToClosestEdge, Behavior::AlignToClosestEdge };
56WEBCORE_EXPORT const ScrollAlignment ScrollAlignment::alignCenterAlways = { Behavior::AlignCenter, Behavior::AlignCenter, Behavior::AlignCenter };
57const ScrollAlignment ScrollAlignment::alignTopAlways = { Behavior::AlignTop, Behavior::AlignTop, Behavior::AlignTop };
58const ScrollAlignment ScrollAlignment::alignRightAlways = { Behavior::AlignRight, Behavior::AlignRight, Behavior::AlignRight };
59const ScrollAlignment ScrollAlignment::alignLeftAlways = { Behavior::AlignLeft, Behavior::AlignLeft, Behavior::AlignLeft };
60const ScrollAlignment ScrollAlignment::alignBottomAlways = { Behavior::AlignBottom, Behavior::AlignBottom, Behavior::AlignBottom };
61
62TextStream& operator<<(TextStream& ts, ScrollAlignment::Behavior b)
63{
64 switch (b) {
65 case ScrollAlignment::Behavior::NoScroll:
66 return ts << "NoScroll";
67 case ScrollAlignment::Behavior::AlignCenter:
68 return ts << "AlignCenter";
69 case ScrollAlignment::Behavior::AlignTop:
70 return ts << "AlignTop";
71 case ScrollAlignment::Behavior::AlignBottom:
72 return ts << "AlignBottom";
73 case ScrollAlignment::Behavior::AlignLeft:
74 return ts << "AlignLeft";
75 case ScrollAlignment::Behavior::AlignRight:
76 return ts << "AlignRight";
77 case ScrollAlignment::Behavior::AlignToClosestEdge:
78 return ts << "AlignToClosestEdge";
79 }
80 return ts;
81}
82
83TextStream& operator<<(TextStream& ts, const ScrollAlignment& s)
84{
85 return ts << "ScrollAlignment: visible: " << s.m_rectVisible << " hidden: " << s.m_rectHidden << " partial: " << s.m_rectPartial;
86}
87
88}; // namespace WebCore
89