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| 1 /* | |
| 2 * Copyright (C) 2000 Harri Porten (porten@kde.org) | |
| 3 * Copyright (C) 2006 Jon Shier (jshier@iastate.edu) | |
| 4 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights | |
| 5 * reseved. | |
| 6 * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org) | |
| 7 * | |
| 8 * This library is free software; you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Lesser General Public | |
| 10 * License as published by the Free Software Foundation; either | |
| 11 * version 2 of the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This library is distributed in the hope that it will be useful, | |
| 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Lesser General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Lesser General Public | |
| 19 * License along with this library; if not, write to the Free Software | |
| 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 | |
| 21 * USA | |
| 22 */ | |
| 23 | |
| 24 #include "core/page/WindowFeatures.h" | |
| 25 | |
| 26 #include "platform/geometry/IntRect.h" | |
| 27 #include "platform/wtf/Assertions.h" | |
| 28 #include "platform/wtf/MathExtras.h" | |
| 29 #include "platform/wtf/text/StringHash.h" | |
| 30 | |
| 31 namespace blink { | |
| 32 | |
| 33 // Though isspace() considers \t and \v to be whitespace, Win IE doesn't when | |
| 34 // parsing window features. | |
| 35 static bool IsWindowFeaturesSeparator(UChar c) { | |
| 36 return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '=' || | |
| 37 c == ',' || c == '\0'; | |
| 38 } | |
| 39 | |
| 40 WindowFeatures::WindowFeatures(const String& features) | |
| 41 : x(0), | |
| 42 x_set(false), | |
| 43 y(0), | |
| 44 y_set(false), | |
| 45 width(0), | |
| 46 width_set(false), | |
| 47 height(0), | |
| 48 height_set(false), | |
| 49 resizable(true), | |
| 50 fullscreen(false), | |
| 51 dialog(false), | |
| 52 noopener(false) { | |
| 53 /* | |
| 54 The IE rule is: all features except for channelmode and fullscreen default | |
| 55 to YES, but if the user specifies a feature string, all features default to | |
| 56 NO. (There is no public standard that applies to this method.) | |
| 57 | |
| 58 <http://msdn.microsoft.com/workshop/author/dhtml/reference/methods/open_0.a
sp> | |
| 59 We always allow a window to be resized, which is consistent with Firefox. | |
| 60 */ | |
| 61 | |
| 62 if (features.IsEmpty()) { | |
| 63 menu_bar_visible = true; | |
| 64 status_bar_visible = true; | |
| 65 tool_bar_visible = true; | |
| 66 location_bar_visible = true; | |
| 67 scrollbars_visible = true; | |
| 68 return; | |
| 69 } | |
| 70 | |
| 71 menu_bar_visible = false; | |
| 72 status_bar_visible = false; | |
| 73 tool_bar_visible = false; | |
| 74 location_bar_visible = false; | |
| 75 scrollbars_visible = false; | |
| 76 | |
| 77 // Tread lightly in this code -- it was specifically designed to mimic Win | |
| 78 // IE's parsing behavior. | |
| 79 unsigned key_begin, key_end; | |
| 80 unsigned value_begin, value_end; | |
| 81 | |
| 82 String buffer = features.DeprecatedLower(); | |
| 83 unsigned length = buffer.length(); | |
| 84 for (unsigned i = 0; i < length;) { | |
| 85 // skip to first non-separator, but don't skip past the end of the string | |
| 86 while (i < length && IsWindowFeaturesSeparator(buffer[i])) | |
| 87 i++; | |
| 88 key_begin = i; | |
| 89 | |
| 90 // skip to first separator | |
| 91 while (i < length && !IsWindowFeaturesSeparator(buffer[i])) | |
| 92 i++; | |
| 93 key_end = i; | |
| 94 | |
| 95 SECURITY_DCHECK(i <= length); | |
| 96 | |
| 97 // skip to first '=', but don't skip past a ',' or the end of the string | |
| 98 while (i < length && buffer[i] != '=') { | |
| 99 if (buffer[i] == ',') | |
| 100 break; | |
| 101 i++; | |
| 102 } | |
| 103 | |
| 104 SECURITY_DCHECK(i <= length); | |
| 105 | |
| 106 // Skip to first non-separator, but don't skip past a ',' or the end of the | |
| 107 // string. | |
| 108 while (i < length && IsWindowFeaturesSeparator(buffer[i])) { | |
| 109 if (buffer[i] == ',') | |
| 110 break; | |
| 111 i++; | |
| 112 } | |
| 113 value_begin = i; | |
| 114 | |
| 115 SECURITY_DCHECK(i <= length); | |
| 116 | |
| 117 // skip to first separator | |
| 118 while (i < length && !IsWindowFeaturesSeparator(buffer[i])) | |
| 119 i++; | |
| 120 value_end = i; | |
| 121 | |
| 122 SECURITY_DCHECK(i <= length); | |
| 123 | |
| 124 String key_string(buffer.Substring(key_begin, key_end - key_begin)); | |
| 125 String value_string(buffer.Substring(value_begin, value_end - value_begin)); | |
| 126 | |
| 127 SetWindowFeature(key_string, value_string); | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 void WindowFeatures::SetWindowFeature(const String& key_string, | |
| 132 const String& value_string) { | |
| 133 int value; | |
| 134 | |
| 135 // Listing a key with no value is shorthand for key=yes | |
| 136 if (value_string.IsEmpty() || value_string == "yes") | |
| 137 value = 1; | |
| 138 else | |
| 139 value = value_string.ToInt(); | |
| 140 | |
| 141 // We treat keyString of "resizable" here as an additional feature rather than | |
| 142 // setting resizeable to true. This is consistent with Firefox, but could | |
| 143 // also be handled at another level. | |
| 144 | |
| 145 if (key_string == "left" || key_string == "screenx") { | |
| 146 x_set = true; | |
| 147 x = value; | |
| 148 } else if (key_string == "top" || key_string == "screeny") { | |
| 149 y_set = true; | |
| 150 y = value; | |
| 151 } else if (key_string == "width" || key_string == "innerwidth") { | |
| 152 width_set = true; | |
| 153 width = value; | |
| 154 } else if (key_string == "height" || key_string == "innerheight") { | |
| 155 height_set = true; | |
| 156 height = value; | |
| 157 } else if (key_string == "menubar") { | |
| 158 menu_bar_visible = value; | |
| 159 } else if (key_string == "toolbar") { | |
| 160 tool_bar_visible = value; | |
| 161 } else if (key_string == "location") { | |
| 162 location_bar_visible = value; | |
| 163 } else if (key_string == "status") { | |
| 164 status_bar_visible = value; | |
| 165 } else if (key_string == "fullscreen") { | |
| 166 fullscreen = value; | |
| 167 } else if (key_string == "scrollbars") { | |
| 168 scrollbars_visible = value; | |
| 169 } else if (key_string == "noopener") { | |
| 170 noopener = true; | |
| 171 } else if (value == 1) { | |
| 172 additional_features.push_back(key_string); | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 WindowFeatures::WindowFeatures(const String& dialog_features_string, | |
| 177 const IntRect& screen_available_rect) | |
| 178 : width_set(true), | |
| 179 height_set(true), | |
| 180 menu_bar_visible(false), | |
| 181 tool_bar_visible(false), | |
| 182 location_bar_visible(false), | |
| 183 fullscreen(false), | |
| 184 dialog(true), | |
| 185 noopener(false) { | |
| 186 DialogFeaturesMap features; | |
| 187 ParseDialogFeatures(dialog_features_string, features); | |
| 188 | |
| 189 const bool kTrusted = false; | |
| 190 | |
| 191 // The following features from Microsoft's documentation are not implemented: | |
| 192 // - default font settings | |
| 193 // - width, height, left, and top specified in units other than "px" | |
| 194 // - edge (sunken or raised, default is raised) | |
| 195 // - dialogHide: trusted && boolFeature(features, "dialoghide"), makes dialog | |
| 196 // hide when you print | |
| 197 // - help: boolFeature(features, "help", true), makes help icon appear in | |
| 198 // dialog (what does it do on Windows?) | |
| 199 // - unadorned: trusted && boolFeature(features, "unadorned"); | |
| 200 | |
| 201 // default here came from frame size of dialog in MacIE | |
| 202 width = IntFeature(features, "dialogwidth", 100, | |
| 203 screen_available_rect.Width(), 620); | |
| 204 // default here came from frame size of dialog in MacIE | |
| 205 height = IntFeature(features, "dialogheight", 100, | |
| 206 screen_available_rect.Height(), 450); | |
| 207 | |
| 208 x = IntFeature(features, "dialogleft", screen_available_rect.X(), | |
| 209 screen_available_rect.MaxX() - width, -1); | |
| 210 x_set = x > 0; | |
| 211 y = IntFeature(features, "dialogtop", screen_available_rect.Y(), | |
| 212 screen_available_rect.MaxY() - height, -1); | |
| 213 y_set = y > 0; | |
| 214 | |
| 215 if (BoolFeature(features, "center", true)) { | |
| 216 if (!x_set) { | |
| 217 x = screen_available_rect.X() + | |
| 218 (screen_available_rect.Width() - width) / 2; | |
| 219 x_set = true; | |
| 220 } | |
| 221 if (!y_set) { | |
| 222 y = screen_available_rect.Y() + | |
| 223 (screen_available_rect.Height() - height) / 2; | |
| 224 y_set = true; | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 resizable = BoolFeature(features, "resizable"); | |
| 229 scrollbars_visible = BoolFeature(features, "scroll", true); | |
| 230 status_bar_visible = BoolFeature(features, "status", !kTrusted); | |
| 231 } | |
| 232 | |
| 233 bool WindowFeatures::BoolFeature(const DialogFeaturesMap& features, | |
| 234 const char* key, | |
| 235 bool default_value) { | |
| 236 DialogFeaturesMap::const_iterator it = features.find(key); | |
| 237 if (it == features.end()) | |
| 238 return default_value; | |
| 239 const String& value = it->value; | |
| 240 return value.IsNull() || value == "1" || value == "yes" || value == "on"; | |
| 241 } | |
| 242 | |
| 243 int WindowFeatures::IntFeature(const DialogFeaturesMap& features, | |
| 244 const char* key, | |
| 245 int min, | |
| 246 int max, | |
| 247 int default_value) { | |
| 248 DialogFeaturesMap::const_iterator it = features.find(key); | |
| 249 if (it == features.end()) | |
| 250 return default_value; | |
| 251 bool ok; | |
| 252 int parsed_number = it->value.ToInt(&ok); | |
| 253 if (!ok) | |
| 254 return default_value; | |
| 255 if (parsed_number < min || max <= min) | |
| 256 return min; | |
| 257 if (parsed_number > max) | |
| 258 return max; | |
| 259 return parsed_number; | |
| 260 } | |
| 261 | |
| 262 void WindowFeatures::ParseDialogFeatures(const String& string, | |
| 263 DialogFeaturesMap& map) { | |
| 264 Vector<String> vector; | |
| 265 string.Split(';', vector); | |
| 266 size_t size = vector.size(); | |
| 267 for (size_t i = 0; i < size; ++i) { | |
| 268 const String& feature_string = vector[i]; | |
| 269 | |
| 270 size_t separator_position = feature_string.find('='); | |
| 271 size_t colon_position = feature_string.find(':'); | |
| 272 if (separator_position != kNotFound && colon_position != kNotFound) | |
| 273 continue; // ignore strings that have both = and : | |
| 274 if (separator_position == kNotFound) | |
| 275 separator_position = colon_position; | |
| 276 | |
| 277 String key = feature_string.Left(separator_position) | |
| 278 .StripWhiteSpace() | |
| 279 .DeprecatedLower(); | |
| 280 | |
| 281 // Null string for value indicates key without value. | |
| 282 String value; | |
| 283 if (separator_position != kNotFound) { | |
| 284 value = feature_string.Substring(separator_position + 1) | |
| 285 .StripWhiteSpace() | |
| 286 .DeprecatedLower(); | |
| 287 value = value.Left(value.find(' ')); | |
| 288 } | |
| 289 | |
| 290 map.Set(key, value); | |
| 291 } | |
| 292 } | |
| 293 | |
| 294 } // namespace blink | |
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Chromium Code Reviews
Issue 2905283003:
Remove a bunch of dead code around WindowFeatures (Closed)
