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Diffstat (limited to 'src/3rdparty/webkit/WebCore/page/WindowFeatures.cpp')
| -rw-r--r-- | src/3rdparty/webkit/WebCore/page/WindowFeatures.cpp | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/page/WindowFeatures.cpp b/src/3rdparty/webkit/WebCore/page/WindowFeatures.cpp new file mode 100644 index 0000000..c499a4a --- /dev/null +++ b/src/3rdparty/webkit/WebCore/page/WindowFeatures.cpp @@ -0,0 +1,188 @@ +/* + * Copyright (C) 2000 Harri Porten (porten@kde.org) + * Copyright (C) 2006 Jon Shier (jshier@iastate.edu) + * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reseved. + * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org) + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 + * USA + */ + +#include "config.h" +#include "WindowFeatures.h" + +#include "PlatformString.h" +#include "StringHash.h" +#include <wtf/Assertions.h> +#include <wtf/HashMap.h> +#include <wtf/MathExtras.h> + +namespace WebCore { + +// Though isspace() considers \t and \v to be whitespace, Win IE doesn't. +static bool isSeparator(UChar c) +{ + return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '=' || c == ',' || c == '\0'; +} + +WindowFeatures::WindowFeatures(const String& features) + : xSet(false) + , ySet(false) + , widthSet(false) + , heightSet(false) + , fullscreen(false) + , dialog(false) +{ + /* + The IE rule is: all features except for channelmode and fullscreen default to YES, but + if the user specifies a feature string, all features default to NO. (There is no public + standard that applies to this method.) + + <http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/open_0.asp> + We always allow a window to be resized, which is consistent with Firefox. + */ + + if (features.length() == 0) { + menuBarVisible = true; + statusBarVisible = true; + toolBarVisible = true; + locationBarVisible = true; + scrollbarsVisible = true; + resizable = true; + return; + } + + menuBarVisible = false; + statusBarVisible = false; + toolBarVisible = false; + locationBarVisible = false; + scrollbarsVisible = false; + resizable = true; + + // Tread lightly in this code -- it was specifically designed to mimic Win IE's parsing behavior. + int keyBegin, keyEnd; + int valueBegin, valueEnd; + + int i = 0; + int length = features.length(); + String buffer = features.lower(); + while (i < length) { + // skip to first non-separator, but don't skip past the end of the string + while (isSeparator(buffer[i])) { + if (i >= length) + break; + i++; + } + keyBegin = i; + + // skip to first separator + while (!isSeparator(buffer[i])) + i++; + keyEnd = i; + + // skip to first '=', but don't skip past a ',' or the end of the string + while (buffer[i] != '=') { + if (buffer[i] == ',' || i >= length) + break; + i++; + } + + // skip to first non-separator, but don't skip past a ',' or the end of the string + while (isSeparator(buffer[i])) { + if (buffer[i] == ',' || i >= length) + break; + i++; + } + valueBegin = i; + + // skip to first separator + while (!isSeparator(buffer[i])) + i++; + valueEnd = i; + + ASSERT(i <= length); + + String keyString(buffer.substring(keyBegin, keyEnd - keyBegin)); + String valueString(buffer.substring(valueBegin, valueEnd - valueBegin)); + setWindowFeature(keyString, valueString); + } +} + +void WindowFeatures::setWindowFeature(const String& keyString, const String& valueString) +{ + int value; + + // Listing a key with no value is shorthand for key=yes + if (valueString.length() == 0 || valueString == "yes") + value = 1; + else + value = valueString.toInt(); + + // We ignore a keyString of "resizable", which is consistent with Firefox. + if (keyString == "left" || keyString == "screenx") { + xSet = true; + x = value; + } else if (keyString == "top" || keyString == "screeny") { + ySet = true; + y = value; + } else if (keyString == "width" || keyString == "innerwidth") { + widthSet = true; + width = value; + } else if (keyString == "height" || keyString == "innerheight") { + heightSet = true; + height = value; + } else if (keyString == "menubar") + menuBarVisible = value; + else if (keyString == "toolbar") + toolBarVisible = value; + else if (keyString == "location") + locationBarVisible = value; + else if (keyString == "status") + statusBarVisible = value; + else if (keyString == "fullscreen") + fullscreen = value; + else if (keyString == "scrollbars") + scrollbarsVisible = value; +} + +bool WindowFeatures::boolFeature(const HashMap<String, String>& features, const char* key, bool defaultValue) +{ + HashMap<String, String>::const_iterator it = features.find(key); + if (it == features.end()) + return defaultValue; + const String& value = it->second; + return value.isNull() || value == "1" || value == "yes" || value == "on"; +} + +float WindowFeatures::floatFeature(const HashMap<String, String>& features, const char* key, float min, float max, float defaultValue) +{ + HashMap<String, String>::const_iterator it = features.find(key); + if (it == features.end()) + return defaultValue; + // FIXME: Can't distinguish "0q" from string with no digits in it -- both return d == 0 and ok == false. + // Would be good to tell them apart somehow since string with no digits should be default value and + // "0q" should be minimum value. + bool ok; + double d = it->second.toDouble(&ok); + if ((d == 0 && !ok) || isnan(d)) + return defaultValue; + if (d < min || max <= min) + return min; + if (d > max) + return max; + return static_cast<int>(d); +} + +} // namespace WebCore |