| 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 | |
| 50 | namespace WebCore { |
| 51 | |
| 52 | const ScrollAlignment ScrollAlignment::alignCenterIfNotVisible = { Behavior::NoScroll, Behavior::AlignCenter, Behavior::NoScroll }; |
| 53 | const ScrollAlignment ScrollAlignment::alignToEdgeIfNotVisible = { Behavior::NoScroll, Behavior::AlignToClosestEdge, Behavior::NoScroll }; |
| 54 | const ScrollAlignment ScrollAlignment::alignCenterIfNeeded = { Behavior::NoScroll, Behavior::AlignCenter, Behavior::AlignToClosestEdge }; |
| 55 | WEBCORE_EXPORT const ScrollAlignment ScrollAlignment::alignToEdgeIfNeeded = { Behavior::NoScroll, Behavior::AlignToClosestEdge, Behavior::AlignToClosestEdge }; |
| 56 | WEBCORE_EXPORT const ScrollAlignment ScrollAlignment::alignCenterAlways = { Behavior::AlignCenter, Behavior::AlignCenter, Behavior::AlignCenter }; |
| 57 | const ScrollAlignment ScrollAlignment::alignTopAlways = { Behavior::AlignTop, Behavior::AlignTop, Behavior::AlignTop }; |
| 58 | const ScrollAlignment ScrollAlignment::alignRightAlways = { Behavior::AlignRight, Behavior::AlignRight, Behavior::AlignRight }; |
| 59 | const ScrollAlignment ScrollAlignment::alignLeftAlways = { Behavior::AlignLeft, Behavior::AlignLeft, Behavior::AlignLeft }; |
| 60 | const ScrollAlignment ScrollAlignment::alignBottomAlways = { Behavior::AlignBottom, Behavior::AlignBottom, Behavior::AlignBottom }; |
| 61 | |
| 62 | TextStream& 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 | |
| 83 | TextStream& 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 | |