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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "WebAccessibilityObject.h" | |
| 33 | |
| 34 #include "AccessibilityObject.h" | |
| 35 #include "EventHandler.h" | |
| 36 #include "FrameView.h" | |
| 37 #include "PlatformKeyboardEvent.h" | |
| 38 #include "WebPoint.h" | |
| 39 #include "WebRect.h" | |
| 40 #include "WebString.h" | |
| 41 | |
| 42 using namespace WebCore; | |
| 43 | |
| 44 namespace WebKit { | |
| 45 | |
| 46 class WebAccessibilityObjectPrivate : public WebCore::AccessibilityObject { | |
| 47 }; | |
| 48 | |
| 49 void WebAccessibilityObject::reset() | |
| 50 { | |
| 51 assign(0); | |
| 52 } | |
| 53 | |
| 54 void WebAccessibilityObject::assign(const WebKit::WebAccessibilityObject& other) | |
| 55 { | |
| 56 WebAccessibilityObjectPrivate* p = const_cast<WebAccessibilityObjectPrivate*>(other.m_private); | |
| 57 if (p) | |
| 58 p->ref(); | |
| 59 assign(p); | |
| 60 } | |
| 61 | |
| 62 WebString WebAccessibilityObject::accessibilityDescription() const | |
| 63 { | |
| 64 if (!m_private) | |
| 65 return WebString(); | |
| 66 | |
| 67 m_private->updateBackingStore(); | |
| 68 return m_private->accessibilityDescription(); | |
| 69 } | |
| 70 | |
| 71 WebString WebAccessibilityObject::actionVerb() const | |
| 72 { | |
| 73 if (!m_private) | |
| 74 return WebString(); | |
| 75 | |
| 76 m_private->updateBackingStore(); | |
| 77 return m_private->actionVerb(); | |
| 78 } | |
| 79 | |
| 80 bool WebAccessibilityObject::canSetFocusAttribute() const | |
| 81 { | |
| 82 if (!m_private) | |
| 83 return false; | |
| 84 | |
| 85 m_private->updateBackingStore(); | |
| 86 return m_private->canSetFocusAttribute(); | |
| 87 } | |
| 88 | |
| 89 unsigned WebAccessibilityObject::childCount() const | |
| 90 { | |
| 91 if (!m_private) | |
| 92 return 0; | |
| 93 | |
| 94 m_private->updateBackingStore(); | |
| 95 return m_private->children().size(); | |
| 96 } | |
| 97 | |
| 98 WebAccessibilityObject WebAccessibilityObject::childAt(unsigned index) const | |
| 99 { | |
| 100 if (!m_private) | |
| 101 return WebAccessibilityObject(); | |
| 102 | |
| 103 m_private->updateBackingStore(); | |
| 104 if (m_private->children().size() <= index) | |
| 105 return WebAccessibilityObject(); | |
| 106 | |
| 107 return WebAccessibilityObject(m_private->children()[index]); | |
| 108 } | |
| 109 | |
| 110 WebAccessibilityObject WebAccessibilityObject::firstChild() const | |
| 111 { | |
| 112 if (!m_private) | |
| 113 return WebAccessibilityObject(); | |
| 114 | |
| 115 m_private->updateBackingStore(); | |
| 116 return WebAccessibilityObject(m_private->firstChild()); | |
| 117 } | |
| 118 | |
| 119 WebAccessibilityObject WebAccessibilityObject::focusedChild() const | |
| 120 { | |
| 121 if (!m_private) | |
| 122 return WebAccessibilityObject(); | |
| 123 | |
| 124 m_private->updateBackingStore(); | |
| 125 RefPtr<AccessibilityObject> focused = m_private->focusedUIElement(); | |
| 126 if (m_private == focused.get() || focused->parentObject() == m_private) | |
| 127 return WebAccessibilityObject(focused); | |
| 128 | |
| 129 return WebAccessibilityObject(); | |
| 130 } | |
| 131 | |
| 132 WebAccessibilityObject WebAccessibilityObject::lastChild() const | |
| 133 { | |
| 134 if (!m_private) | |
| 135 return WebAccessibilityObject(); | |
| 136 | |
| 137 m_private->updateBackingStore(); | |
| 138 return WebAccessibilityObject(m_private->lastChild()); | |
| 139 } | |
| 140 | |
| 141 | |
| 142 WebAccessibilityObject WebAccessibilityObject::nextSibling() const | |
| 143 { | |
| 144 if (!m_private) | |
| 145 return WebAccessibilityObject(); | |
| 146 | |
| 147 m_private->updateBackingStore(); | |
| 148 return WebAccessibilityObject(m_private->nextSibling()); | |
| 149 } | |
| 150 | |
| 151 WebAccessibilityObject WebAccessibilityObject::parentObject() const | |
| 152 { | |
| 153 if (!m_private) | |
| 154 return WebAccessibilityObject(); | |
| 155 | |
| 156 m_private->updateBackingStore(); | |
| 157 return WebAccessibilityObject(m_private->parentObject()); | |
| 158 } | |
| 159 | |
| 160 | |
| 161 WebAccessibilityObject WebAccessibilityObject::previousSibling() const | |
| 162 { | |
| 163 if (!m_private) | |
| 164 return WebAccessibilityObject(); | |
| 165 | |
| 166 m_private->updateBackingStore(); | |
| 167 return WebAccessibilityObject(m_private->previousSibling()); | |
| 168 } | |
| 169 | |
| 170 bool WebAccessibilityObject::isAnchor() const | |
| 171 { | |
| 172 if (!m_private) | |
| 173 return 0; | |
| 174 | |
| 175 m_private->updateBackingStore(); | |
| 176 return m_private->isAnchor(); | |
| 177 } | |
| 178 | |
| 179 bool WebAccessibilityObject::isChecked() const | |
| 180 { | |
| 181 if (!m_private) | |
| 182 return 0; | |
| 183 | |
| 184 m_private->updateBackingStore(); | |
| 185 return m_private->isChecked(); | |
| 186 } | |
| 187 | |
| 188 | |
| 189 bool WebAccessibilityObject::isFocused() const | |
| 190 { | |
| 191 if (!m_private) | |
| 192 return 0; | |
| 193 | |
| 194 m_private->updateBackingStore(); | |
| 195 return m_private->isFocused(); | |
| 196 } | |
| 197 | |
| 198 bool WebAccessibilityObject::isEnabled() const | |
| 199 { | |
| 200 if (!m_private) | |
| 201 return 0; | |
| 202 | |
| 203 m_private->updateBackingStore(); | |
| 204 return m_private->isEnabled(); | |
| 205 } | |
| 206 | |
| 207 bool WebAccessibilityObject::isHovered() const | |
| 208 { | |
| 209 if (!m_private) | |
| 210 return 0; | |
| 211 | |
| 212 m_private->updateBackingStore(); | |
| 213 return m_private->isHovered(); | |
| 214 } | |
| 215 | |
| 216 bool WebAccessibilityObject::isIndeterminate() const | |
| 217 { | |
| 218 if (!m_private) | |
| 219 return 0; | |
| 220 | |
| 221 m_private->updateBackingStore(); | |
| 222 return m_private->isIndeterminate(); | |
| 223 } | |
| 224 | |
| 225 bool WebAccessibilityObject::isMultiSelect() const | |
| 226 { | |
| 227 if (!m_private) | |
| 228 return 0; | |
| 229 | |
| 230 m_private->updateBackingStore(); | |
| 231 return m_private->isMultiSelect(); | |
| 232 } | |
| 233 | |
| 234 bool WebAccessibilityObject::isOffScreen() const | |
| 235 { | |
| 236 if (!m_private) | |
| 237 return 0; | |
| 238 | |
| 239 m_private->updateBackingStore(); | |
| 240 return m_private->isOffScreen(); | |
| 241 } | |
| 242 | |
| 243 bool WebAccessibilityObject::isPasswordField() const | |
| 244 { | |
| 245 if (!m_private) | |
| 246 return 0; | |
| 247 | |
| 248 m_private->updateBackingStore(); | |
| 249 return m_private->isPasswordField(); | |
| 250 } | |
| 251 | |
| 252 bool WebAccessibilityObject::isPressed() const | |
| 253 { | |
| 254 if (!m_private) | |
| 255 return 0; | |
| 256 | |
| 257 m_private->updateBackingStore(); | |
| 258 return m_private->isPressed(); | |
| 259 } | |
| 260 | |
| 261 bool WebAccessibilityObject::isReadOnly() const | |
| 262 { | |
| 263 if (!m_private) | |
| 264 return 0; | |
| 265 | |
| 266 m_private->updateBackingStore(); | |
| 267 return m_private->isReadOnly(); | |
| 268 } | |
| 269 | |
| 270 bool WebAccessibilityObject::isVisited() const | |
| 271 { | |
| 272 if (!m_private) | |
| 273 return 0; | |
| 274 | |
| 275 m_private->updateBackingStore(); | |
| 276 return m_private->isVisited(); | |
| 277 } | |
| 278 | |
| 279 WebRect WebAccessibilityObject::boundingBoxRect() const | |
| 280 { | |
| 281 if (!m_private) | |
| 282 return WebRect(); | |
| 283 | |
| 284 m_private->updateBackingStore(); | |
| 285 return m_private->documentFrameView()->contentsToWindow(m_private->boundingBoxRect()); | |
| 286 } | |
| 287 | |
| 288 WebString WebAccessibilityObject::helpText() const | |
| 289 { | |
| 290 if (!m_private) | |
| 291 return WebString(); | |
| 292 | |
| 293 m_private->updateBackingStore(); | |
| 294 return m_private->helpText(); | |
| 295 } | |
| 296 | |
| 297 WebAccessibilityObject WebAccessibilityObject::hitTest(const WebPoint& point) const | |
| 298 { | |
| 299 if (!m_private) | |
| 300 return WebAccessibilityObject(); | |
| 301 | |
| 302 m_private->updateBackingStore(); | |
| 303 IntPoint contentsPoint = m_private->documentFrameView()->windowToContents(point); | |
| 304 RefPtr<AccessibilityObject> hit = m_private->doAccessibilityHitTest(contentsPoint); | |
| 305 | |
| 306 if (hit.get()) | |
| 307 return WebAccessibilityObject(hit); | |
| 308 | |
| 309 if (m_private->boundingBoxRect().contains(contentsPoint)) | |
| 310 return *this; | |
| 311 | |
| 312 return WebAccessibilityObject(); | |
| 313 } | |
| 314 | |
| 315 WebString WebAccessibilityObject::keyboardShortcut() const | |
| 316 { | |
| 317 if (!m_private) | |
| 318 return WebString(); | |
| 319 | |
| 320 m_private->updateBackingStore(); | |
| 321 String accessKey = m_private->accessKey(); | |
| 322 if (accessKey.isNull()) | |
| 323 return WebString(); | |
| 324 | |
| 325 static String modifierString; | |
| 326 if (modifierString.isNull()) { | |
| 327 unsigned modifiers = EventHandler::accessKeyModifiers(); | |
| 328 // Follow the same order as Mozilla MSAA implementation: | |
| 329 // Ctrl+Alt+Shift+Meta+key. MSDN states that keyboard shortcut strings | |
| 330 // should not be localized and defines the separator as "+". | |
| 331 if (modifiers & PlatformKeyboardEvent::CtrlKey) | |
| 332 modifierString += "Ctrl+"; | |
| 333 if (modifiers & PlatformKeyboardEvent::AltKey) | |
| 334 modifierString += "Alt+"; | |
| 335 if (modifiers & PlatformKeyboardEvent::ShiftKey) | |
| 336 modifierString += "Shift+"; | |
| 337 if (modifiers & PlatformKeyboardEvent::MetaKey) | |
| 338 modifierString += "Win+"; | |
| 339 } | |
| 340 | |
| 341 return modifierString + accessKey; | |
| 342 } | |
| 343 | |
| 344 bool WebAccessibilityObject::performDefaultAction() const | |
| 345 { | |
| 346 if (!m_private) | |
| 347 return false; | |
| 348 | |
| 349 m_private->updateBackingStore(); | |
| 350 return m_private->performDefaultAction(); | |
| 351 } | |
| 352 | |
| 353 WebAccessibilityRole WebAccessibilityObject::roleValue() const | |
| 354 { | |
| 355 if (!m_private) | |
| 356 return WebKit::WebAccessibilityRoleUnknown; | |
| 357 | |
| 358 m_private->updateBackingStore(); | |
| 359 return static_cast<WebAccessibilityRole>(m_private->roleValue()); | |
| 360 } | |
| 361 | |
| 362 WebString WebAccessibilityObject::stringValue() const | |
| 363 { | |
| 364 if (!m_private) | |
| 365 return WebString(); | |
| 366 | |
| 367 m_private->updateBackingStore(); | |
| 368 return m_private->stringValue(); | |
| 369 } | |
| 370 | |
| 371 WebString WebAccessibilityObject::title() const | |
| 372 { | |
| 373 if (!m_private) | |
| 374 return WebString(); | |
| 375 | |
| 376 m_private->updateBackingStore(); | |
| 377 return m_private->title(); | |
| 378 } | |
| 379 | |
| 380 WebAccessibilityObject::WebAccessibilityObject(const WTF::PassRefPtr<WebCore::AccessibilityObject>& object) | |
| 381 : m_private(static_cast<WebAccessibilityObjectPrivate*>(object.releaseRef())) | |
| 382 { | |
| 383 } | |
| 384 | |
| 385 WebAccessibilityObject& WebAccessibilityObject::operator=(const WTF::PassRefPtr<WebCore::AccessibilityObject>& object) | |
| 386 { | |
| 387 assign(static_cast<WebAccessibilityObjectPrivate*>(object.releaseRef())); | |
| 388 return *this; | |
| 389 } | |
| 390 | |
| 391 WebAccessibilityObject::operator WTF::PassRefPtr<WebCore::AccessibilityObject>() const | |
| 392 { | |
| 393 return PassRefPtr<WebCore::AccessibilityObject>(const_cast<WebAccessibilityObjectPrivate*>(m_private)); | |
| 394 } | |
| 395 | |
| 396 void WebAccessibilityObject::assign(WebAccessibilityObjectPrivate* p) | |
| 397 { | |
| 398 // p is already ref'd for us by the caller | |
| 399 if (m_private) | |
| 400 m_private->deref(); | |
| 401 m_private = p; | |
| 402 } | |
| 403 | |
| 404 } // namespace WebKit | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
