Index: Source/core/html/TypeAhead.cpp |
diff --git a/Source/core/html/TypeAhead.cpp b/Source/core/html/TypeAhead.cpp |
deleted file mode 100644 |
index d93541faf9bc1267a976121fc3b9f70ded4f01a5..0000000000000000000000000000000000000000 |
--- a/Source/core/html/TypeAhead.cpp |
+++ /dev/null |
@@ -1,121 +0,0 @@ |
-/* |
- * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
- * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
- * (C) 1999 Antti Koivisto (koivisto@kde.org) |
- * (C) 2001 Dirk Mueller (mueller@kde.org) |
- * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved. |
- * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
- * Copyright (C) 2010 Google Inc. All rights reserved. |
- * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
- * |
- * This library is free software; you can redistribute it and/or |
- * modify it under the terms of the GNU Library General Public |
- * License as published by the Free Software Foundation; either |
- * version 2 of the License, or (at your option) any later version. |
- * |
- * This library is distributed in the hope that it will be useful, |
- * but WITHOUT ANY WARRANTY; without even the implied warranty of |
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
- * Library General Public License for more details. |
- * |
- * You should have received a copy of the GNU Library General Public License |
- * along with this library; see the file COPYING.LIB. If not, write to |
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
- * Boston, MA 02110-1301, USA. |
- * |
- */ |
- |
-#include "config.h" |
-#include "core/html/TypeAhead.h" |
- |
-#include "core/dom/KeyboardEvent.h" |
-#include "wtf/unicode/CharacterNames.h" |
- |
-using namespace WTF::Unicode; |
- |
-namespace WebCore { |
- |
-TypeAhead::TypeAhead(TypeAheadDataSource* dataSource) |
- : m_dataSource(dataSource) |
- , m_lastTypeTime(0) |
- , m_repeatingChar(0) |
-{ |
-} |
- |
-static const DOMTimeStamp typeAheadTimeout = 1000; |
- |
-static String stripLeadingWhiteSpace(const String& string) |
-{ |
- unsigned length = string.length(); |
- |
- unsigned i; |
- for (i = 0; i < length; ++i) { |
- if (string[i] != noBreakSpace && (string[i] <= 0x7F ? !isASCIISpace(string[i]) : (direction(string[i]) != WhiteSpaceNeutral))) |
- break; |
- } |
- |
- return string.substring(i, length - i); |
-} |
- |
-int TypeAhead::handleEvent(KeyboardEvent* event, MatchModeFlags matchMode) |
-{ |
- if (event->timeStamp() < m_lastTypeTime) |
- return -1; |
- |
- int optionCount = m_dataSource->optionCount(); |
- DOMTimeStamp delta = event->timeStamp() - m_lastTypeTime; |
- m_lastTypeTime = event->timeStamp(); |
- |
- UChar c = event->charCode(); |
- |
- if (delta > typeAheadTimeout) |
- m_buffer.clear(); |
- m_buffer.append(c); |
- |
- if (optionCount < 1) |
- return -1; |
- |
- int searchStartOffset = 1; |
- String prefix; |
- if (matchMode & CycleFirstChar && c == m_repeatingChar) { |
- // The user is likely trying to cycle through all the items starting |
- // with this character, so just search on the character. |
- prefix = String(&c, 1); |
- m_repeatingChar = c; |
- } else if (matchMode & MatchPrefix) { |
- prefix = m_buffer.toString(); |
- if (m_buffer.length() > 1) { |
- m_repeatingChar = 0; |
- searchStartOffset = 0; |
- } else |
- m_repeatingChar = c; |
- } |
- |
- if (!prefix.isEmpty()) { |
- int selected = m_dataSource->indexOfSelectedOption(); |
- int index = (selected < 0 ? 0 : selected) + searchStartOffset; |
- index %= optionCount; |
- |
- // Compute a case-folded copy of the prefix string before beginning the search for |
- // a matching element. This code uses foldCase to work around the fact that |
- // String::startWith does not fold non-ASCII characters. This code can be changed |
- // to use startWith once that is fixed. |
- String prefixWithCaseFolded(prefix.foldCase()); |
- for (int i = 0; i < optionCount; ++i, index = (index + 1) % optionCount) { |
- // Fold the option string and check if its prefix is equal to the folded prefix. |
- String text = m_dataSource->optionAtIndex(index); |
- if (stripLeadingWhiteSpace(text).foldCase().startsWith(prefixWithCaseFolded)) |
- return index; |
- } |
- } |
- |
- if (matchMode & MatchIndex) { |
- bool ok = false; |
- int index = m_buffer.toString().toInt(&ok); |
- if (index > 0 && index <= optionCount) |
- return index - 1; |
- } |
- return -1; |
-} |
- |
-} // namespace WebCore |