| OLD | NEW |
|---|
| (Empty) |
| 1 /* | |
| 2 * Copyright (C) 2008, 2009, 2011 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 "bindings/v8/V8DOMWindowShell.h" | |
| 33 | |
| 34 #include <v8-debug.h> | |
| 35 #include <v8-i18n/include/extension.h> | |
| 36 #include <v8.h> | |
| 37 #include <algorithm> | |
| 38 #include <utility> | |
| 39 #include "RuntimeEnabledFeatures.h" | |
| 40 #include "V8DOMWindow.h" | |
| 41 #include "V8Document.h" | |
| 42 #include "V8HTMLCollection.h" | |
| 43 #include "V8HTMLDocument.h" | |
| 44 #include "bindings/v8/DOMWrapperWorld.h" | |
| 45 #include "bindings/v8/DateExtension.h" | |
| 46 #include "bindings/v8/ScriptController.h" | |
| 47 #include "bindings/v8/V8Binding.h" | |
| 48 #include "bindings/v8/V8GCForContextDispose.h" | |
| 49 #include "bindings/v8/V8HiddenPropertyName.h" | |
| 50 #include "bindings/v8/V8Initializer.h" | |
| 51 #include "bindings/v8/V8ObjectConstructor.h" | |
| 52 #include "bindings/v8/V8PerContextData.h" | |
| 53 #include "core/html/HTMLCollection.h" | |
| 54 #include "core/html/HTMLIFrameElement.h" | |
| 55 #include "core/inspector/InspectorInstrumentation.h" | |
| 56 #include "core/loader/DocumentLoader.h" | |
| 57 #include "core/loader/FrameLoader.h" | |
| 58 #include "core/loader/FrameLoaderClient.h" | |
| 59 #include "core/page/ContentSecurityPolicy.h" | |
| 60 #include "core/page/Frame.h" | |
| 61 #include "core/page/Page.h" | |
| 62 #include "core/platform/HistogramSupport.h" | |
| 63 #include "weborigin/SecurityOrigin.h" | |
| 64 #include "wtf/Assertions.h" | |
| 65 #include "wtf/OwnArrayPtr.h" | |
| 66 #include "wtf/StringExtras.h" | |
| 67 #include "wtf/text/CString.h" | |
| 68 | |
| 69 namespace WebCore { | |
| 70 | |
| 71 static void checkDocumentWrapper(v8::Handle<v8::Object> wrapper, Document* docum
ent) | |
| 72 { | |
| 73 ASSERT(V8Document::toNative(wrapper) == document); | |
| 74 ASSERT(!document->isHTMLDocument() || (V8Document::toNative(v8::Handle<v8::O
bject>::Cast(wrapper->GetPrototype())) == document)); | |
| 75 } | |
| 76 | |
| 77 static void setInjectedScriptContextDebugId(v8::Handle<v8::Context> targetContex
t, int debugId) | |
| 78 { | |
| 79 V8PerContextDebugData::setContextDebugData(targetContext, "injected", debugI
d); | |
| 80 } | |
| 81 | |
| 82 PassOwnPtr<V8DOMWindowShell> V8DOMWindowShell::create(Frame* frame, PassRefPtr<D
OMWrapperWorld> world, v8::Isolate* isolate) | |
| 83 { | |
| 84 return adoptPtr(new V8DOMWindowShell(frame, world, isolate)); | |
| 85 } | |
| 86 | |
| 87 V8DOMWindowShell::V8DOMWindowShell(Frame* frame, PassRefPtr<DOMWrapperWorld> wor
ld, v8::Isolate* isolate) | |
| 88 : m_frame(frame) | |
| 89 , m_world(world) | |
| 90 , m_isolate(isolate) | |
| 91 { | |
| 92 } | |
| 93 | |
| 94 void V8DOMWindowShell::disposeContext() | |
| 95 { | |
| 96 m_perContextData.clear(); | |
| 97 | |
| 98 if (m_context.isEmpty()) | |
| 99 return; | |
| 100 | |
| 101 v8::HandleScope handleScope(m_isolate); | |
| 102 m_frame->loader()->client()->willReleaseScriptContext(m_context.newLocal(m_i
solate), m_world->worldId()); | |
| 103 | |
| 104 m_context.clear(); | |
| 105 | |
| 106 // It's likely that disposing the context has created a lot of | |
| 107 // garbage. Notify V8 about this so it'll have a chance of cleaning | |
| 108 // it up when idle. | |
| 109 bool isMainFrame = m_frame->page() && (m_frame->page()->mainFrame() == m_fra
me); | |
| 110 V8GCForContextDispose::instance().notifyContextDisposed(isMainFrame); | |
| 111 } | |
| 112 | |
| 113 void V8DOMWindowShell::clearForClose(bool destroyGlobal) | |
| 114 { | |
| 115 if (destroyGlobal) | |
| 116 m_global.clear(); | |
| 117 | |
| 118 if (m_context.isEmpty()) | |
| 119 return; | |
| 120 | |
| 121 m_document.clear(); | |
| 122 disposeContext(); | |
| 123 } | |
| 124 | |
| 125 void V8DOMWindowShell::clearForNavigation() | |
| 126 { | |
| 127 if (m_context.isEmpty()) | |
| 128 return; | |
| 129 | |
| 130 v8::HandleScope handleScope(m_isolate); | |
| 131 m_document.clear(); | |
| 132 | |
| 133 v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); | |
| 134 v8::Context::Scope contextScope(context); | |
| 135 | |
| 136 // Clear the document wrapper cache before turning on access checks on | |
| 137 // the old DOMWindow wrapper. This way, access to the document wrapper | |
| 138 // will be protected by the security checks on the DOMWindow wrapper. | |
| 139 clearDocumentProperty(); | |
| 140 | |
| 141 v8::Handle<v8::Object> windowWrapper = m_global.newLocal(m_isolate)->FindIns
tanceInPrototypeChain(V8DOMWindow::GetTemplate(m_isolate, worldTypeInMainThread(
m_isolate))); | |
| 142 ASSERT(!windowWrapper.IsEmpty()); | |
| 143 windowWrapper->TurnOnAccessCheck(); | |
| 144 context->DetachGlobal(); | |
| 145 disposeContext(); | |
| 146 } | |
| 147 | |
| 148 // Create a new environment and setup the global object. | |
| 149 // | |
| 150 // The global object corresponds to a DOMWindow instance. However, to | |
| 151 // allow properties of the JS DOMWindow instance to be shadowed, we | |
| 152 // use a shadow object as the global object and use the JS DOMWindow | |
| 153 // instance as the prototype for that shadow object. The JS DOMWindow | |
| 154 // instance is undetectable from JavaScript code because the __proto__ | |
| 155 // accessors skip that object. | |
| 156 // | |
| 157 // The shadow object and the DOMWindow instance are seen as one object | |
| 158 // from JavaScript. The JavaScript object that corresponds to a | |
| 159 // DOMWindow instance is the shadow object. When mapping a DOMWindow | |
| 160 // instance to a V8 object, we return the shadow object. | |
| 161 // | |
| 162 // To implement split-window, see | |
| 163 // 1) https://bugs.webkit.org/show_bug.cgi?id=17249 | |
| 164 // 2) https://wiki.mozilla.org/Gecko:SplitWindow | |
| 165 // 3) https://bugzilla.mozilla.org/show_bug.cgi?id=296639 | |
| 166 // we need to split the shadow object further into two objects: | |
| 167 // an outer window and an inner window. The inner window is the hidden | |
| 168 // prototype of the outer window. The inner window is the default | |
| 169 // global object of the context. A variable declared in the global | |
| 170 // scope is a property of the inner window. | |
| 171 // | |
| 172 // The outer window sticks to a Frame, it is exposed to JavaScript | |
| 173 // via window.window, window.self, window.parent, etc. The outer window | |
| 174 // has a security token which is the domain. The outer window cannot | |
| 175 // have its own properties. window.foo = 'x' is delegated to the | |
| 176 // inner window. | |
| 177 // | |
| 178 // When a frame navigates to a new page, the inner window is cut off | |
| 179 // the outer window, and the outer window identify is preserved for | |
| 180 // the frame. However, a new inner window is created for the new page. | |
| 181 // If there are JS code holds a closure to the old inner window, | |
| 182 // it won't be able to reach the outer window via its global object. | |
| 183 bool V8DOMWindowShell::initializeIfNeeded() | |
| 184 { | |
| 185 if (!m_context.isEmpty()) | |
| 186 return true; | |
| 187 | |
| 188 v8::HandleScope handleScope(m_isolate); | |
| 189 | |
| 190 V8Initializer::initializeMainThreadIfNeeded(m_isolate); | |
| 191 | |
| 192 createContext(); | |
| 193 if (m_context.isEmpty()) | |
| 194 return false; | |
| 195 | |
| 196 v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); | |
| 197 | |
| 198 m_world->setIsolatedWorldField(context); | |
| 199 | |
| 200 bool isMainWorld = m_world->isMainWorld(); | |
| 201 | |
| 202 v8::Context::Scope contextScope(context); | |
| 203 | |
| 204 if (m_global.isEmpty()) { | |
| 205 m_global.set(m_isolate, context->Global()); | |
| 206 if (m_global.isEmpty()) { | |
| 207 disposeContext(); | |
| 208 return false; | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 if (!isMainWorld) { | |
| 213 V8DOMWindowShell* mainWindow = m_frame->script()->existingWindowShell(ma
inThreadNormalWorld()); | |
| 214 if (mainWindow && !mainWindow->context().IsEmpty()) | |
| 215 setInjectedScriptContextDebugId(context, m_frame->script()->contextD
ebugId(mainWindow->context())); | |
| 216 } | |
| 217 | |
| 218 m_perContextData = V8PerContextData::create(context); | |
| 219 if (!m_perContextData->init()) { | |
| 220 disposeContext(); | |
| 221 return false; | |
| 222 } | |
| 223 m_perContextData->setActivityLogger(DOMWrapperWorld::activityLogger(m_world-
>worldId())); | |
| 224 if (!installDOMWindow()) { | |
| 225 disposeContext(); | |
| 226 return false; | |
| 227 } | |
| 228 | |
| 229 if (isMainWorld) { | |
| 230 updateDocument(); | |
| 231 setSecurityToken(); | |
| 232 if (m_frame->document()) { | |
| 233 ContentSecurityPolicy* csp = m_frame->document()->contentSecurityPol
icy(); | |
| 234 context->AllowCodeGenerationFromStrings(csp->allowEval(0, ContentSec
urityPolicy::SuppressReport)); | |
| 235 context->SetErrorMessageForCodeGenerationFromStrings(v8String(csp->e
valDisabledErrorMessage(), m_isolate)); | |
| 236 } | |
| 237 } else { | |
| 238 // Using the default security token means that the canAccess is always | |
| 239 // called, which is slow. | |
| 240 // FIXME: Use tokens where possible. This will mean keeping track of all | |
| 241 // created contexts so that they can all be updated when the | |
| 242 // document domain | |
| 243 // changes. | |
| 244 context->UseDefaultSecurityToken(); | |
| 245 | |
| 246 SecurityOrigin* origin = m_world->isolatedWorldSecurityOrigin(); | |
| 247 if (origin && InspectorInstrumentation::hasFrontends()) { | |
| 248 ScriptState* scriptState = ScriptState::forContext(v8::Local<v8::Con
text>::New(context)); | |
| 249 InspectorInstrumentation::didCreateIsolatedContext(m_frame, scriptSt
ate, origin); | |
| 250 } | |
| 251 } | |
| 252 m_frame->loader()->client()->didCreateScriptContext(context, m_world->extens
ionGroup(), m_world->worldId()); | |
| 253 return true; | |
| 254 } | |
| 255 | |
| 256 void V8DOMWindowShell::createContext() | |
| 257 { | |
| 258 // The activeDocumentLoader pointer could be 0 during frame shutdown. | |
| 259 // FIXME: Can we remove this check? | |
| 260 if (!m_frame->loader()->activeDocumentLoader()) | |
| 261 return; | |
| 262 | |
| 263 // Create a new environment using an empty template for the shadow | |
| 264 // object. Reuse the global object if one has been created earlier. | |
| 265 v8::Handle<v8::ObjectTemplate> globalTemplate = V8DOMWindow::GetShadowObject
Template(m_isolate, m_world->isMainWorld() ? MainWorld : IsolatedWorld); | |
| 266 if (globalTemplate.IsEmpty()) | |
| 267 return; | |
| 268 | |
| 269 double contextCreationStartInSeconds = currentTime(); | |
| 270 | |
| 271 // Used to avoid sleep calls in unload handlers. | |
| 272 ScriptController::registerExtensionIfNeeded(DateExtension::get()); | |
| 273 | |
| 274 // Enables experimental i18n API in V8. | |
| 275 if (RuntimeEnabledFeatures::javaScriptI18NAPIEnabled()) | |
| 276 ScriptController::registerExtensionIfNeeded(v8_i18n::Extension::get()); | |
| 277 | |
| 278 // Dynamically tell v8 about our extensions now. | |
| 279 const V8Extensions& extensions = ScriptController::registeredExtensions(); | |
| 280 OwnArrayPtr<const char*> extensionNames = adoptArrayPtr(new const char*[exte
nsions.size()]); | |
| 281 int index = 0; | |
| 282 int extensionGroup = m_world->extensionGroup(); | |
| 283 int worldId = m_world->worldId(); | |
| 284 for (size_t i = 0; i < extensions.size(); ++i) { | |
| 285 // Ensure our date extension is always allowed. | |
| 286 if (extensions[i] != DateExtension::get() | |
| 287 && !m_frame->loader()->client()->allowScriptExtension(extensions[i]-
>name(), extensionGroup, worldId)) | |
| 288 continue; | |
| 289 | |
| 290 extensionNames[index++] = extensions[i]->name(); | |
| 291 } | |
| 292 v8::ExtensionConfiguration extensionConfiguration(index, extensionNames.get(
)); | |
| 293 | |
| 294 v8::HandleScope handleScope(m_isolate); | |
| 295 m_context.set(m_isolate, v8::Context::New(m_isolate, &extensionConfiguration
, globalTemplate, m_global.newLocal(m_isolate))); | |
| 296 | |
| 297 double contextCreationDurationInMilliseconds = (currentTime() - contextCreat
ionStartInSeconds) * 1000; | |
| 298 const char* histogramName = "WebCore.V8DOMWindowShell.createContext.MainWorl
d"; | |
| 299 if (!m_world->isMainWorld()) | |
| 300 histogramName = "WebCore.V8DOMWindowShell.createContext.IsolatedWorld"; | |
| 301 HistogramSupport::histogramCustomCounts(histogramName, contextCreationDurati
onInMilliseconds, 0, 10000, 50); | |
| 302 } | |
| 303 | |
| 304 bool V8DOMWindowShell::installDOMWindow() | |
| 305 { | |
| 306 DOMWrapperWorld::setInitializingWindow(true); | |
| 307 DOMWindow* window = m_frame->document()->domWindow(); | |
| 308 v8::Local<v8::Object> windowWrapper = V8ObjectConstructor::newInstance(V8Per
ContextData::from(m_context.get())->constructorForType(&V8DOMWindow::info)); | |
| 309 if (windowWrapper.IsEmpty()) | |
| 310 return false; | |
| 311 | |
| 312 V8DOMWindow::installPerContextProperties(windowWrapper, window, m_isolate); | |
| 313 | |
| 314 V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object>::Cast(windowWrapper->GetP
rototype()), &V8DOMWindow::info, window); | |
| 315 | |
| 316 // Install the windowWrapper as the prototype of the innerGlobalObject. | |
| 317 // The full structure of the global object is as follows: | |
| 318 // | |
| 319 // outerGlobalObject (Empty object, remains after navigation) | |
| 320 // -- has prototype --> innerGlobalObject (Holds global variables, changes
during navigation) | |
| 321 // -- has prototype --> DOMWindow instance | |
| 322 // -- has prototype --> Window.prototype | |
| 323 // -- has prototype --> Object.prototype | |
| 324 // | |
| 325 // Note: Much of this prototype structure is hidden from web content. The | |
| 326 // outer, inner, and DOMWindow instance all appear to be the same | |
| 327 // JavaScript object. | |
| 328 // | |
| 329 v8::Handle<v8::Object> innerGlobalObject = toInnerGlobalObject(m_context.new
Local(m_isolate)); | |
| 330 V8DOMWrapper::setNativeInfo(innerGlobalObject, &V8DOMWindow::info, window); | |
| 331 innerGlobalObject->SetPrototype(windowWrapper); | |
| 332 V8DOMWrapper::associateObjectWithWrapper(PassRefPtr<DOMWindow>(window), &V8D
OMWindow::info, windowWrapper, m_isolate, WrapperConfiguration::Dependent); | |
| 333 DOMWrapperWorld::setInitializingWindow(false); | |
| 334 return true; | |
| 335 } | |
| 336 | |
| 337 void V8DOMWindowShell::updateDocumentWrapper(v8::Handle<v8::Object> wrapper) | |
| 338 { | |
| 339 ASSERT(m_world->isMainWorld()); | |
| 340 m_document.set(m_isolate, wrapper); | |
| 341 } | |
| 342 | |
| 343 void V8DOMWindowShell::updateDocumentProperty() | |
| 344 { | |
| 345 if (!m_world->isMainWorld()) | |
| 346 return; | |
| 347 | |
| 348 v8::HandleScope handleScope(m_isolate); | |
| 349 v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); | |
| 350 v8::Context::Scope contextScope(context); | |
| 351 | |
| 352 v8::Handle<v8::Value> documentWrapper = toV8(m_frame->document(), v8::Handle
<v8::Object>(), context->GetIsolate()); | |
| 353 ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmp
ty()); | |
| 354 if (m_document.isEmpty()) | |
| 355 updateDocumentWrapper(v8::Handle<v8::Object>::Cast(documentWrapper)); | |
| 356 checkDocumentWrapper(m_document.newLocal(m_isolate), m_frame->document()); | |
| 357 | |
| 358 // If instantiation of the document wrapper fails, clear the cache | |
| 359 // and let the DOMWindow accessor handle access to the document. | |
| 360 if (documentWrapper.IsEmpty()) { | |
| 361 clearDocumentProperty(); | |
| 362 return; | |
| 363 } | |
| 364 ASSERT(documentWrapper->IsObject()); | |
| 365 context->Global()->ForceSet(v8::String::NewSymbol("document"), documentWrapp
er, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete)); | |
| 366 | |
| 367 // We also stash a reference to the document on the inner global object so t
hat | |
| 368 // DOMWindow objects we obtain from JavaScript references are guaranteed to
have | |
| 369 // live Document objects. | |
| 370 toInnerGlobalObject(context)->SetHiddenValue(V8HiddenPropertyName::document(
), documentWrapper); | |
| 371 } | |
| 372 | |
| 373 void V8DOMWindowShell::clearDocumentProperty() | |
| 374 { | |
| 375 ASSERT(!m_context.isEmpty()); | |
| 376 if (!m_world->isMainWorld()) | |
| 377 return; | |
| 378 v8::HandleScope handleScope(m_isolate); | |
| 379 m_context.newLocal(m_isolate)->Global()->ForceDelete(v8::String::NewSymbol("
document")); | |
| 380 } | |
| 381 | |
| 382 void V8DOMWindowShell::setSecurityToken() | |
| 383 { | |
| 384 ASSERT(m_world->isMainWorld()); | |
| 385 | |
| 386 Document* document = m_frame->document(); | |
| 387 | |
| 388 // Ask the document's SecurityOrigin to generate a security token. | |
| 389 // If two tokens are equal, then the SecurityOrigins canAccess each other. | |
| 390 // If two tokens are not equal, then we have to call canAccess. | |
| 391 // Note: we can't use the HTTPOrigin if it was set from the DOM. | |
| 392 SecurityOrigin* origin = document->securityOrigin(); | |
| 393 String token; | |
| 394 // We stick with an empty token if document.domain was modified or if we | |
| 395 // are in the initial empty document, so that we can do a full canAccess | |
| 396 // check in those cases. | |
| 397 if (!origin->domainWasSetInDOM() | |
| 398 && !m_frame->loader()->stateMachine()->isDisplayingInitialEmptyDocument(
)) | |
| 399 token = document->securityOrigin()->toString(); | |
| 400 | |
| 401 // An empty or "null" token means we always have to call | |
| 402 // canAccess. The toString method on securityOrigins returns the | |
| 403 // string "null" for empty security origins and for security | |
| 404 // origins that should only allow access to themselves. In this | |
| 405 // case, we use the global object as the security token to avoid | |
| 406 // calling canAccess when a script accesses its own objects. | |
| 407 v8::HandleScope handleScope(m_isolate); | |
| 408 v8::Handle<v8::Context> context = m_context.newLocal(m_isolate); | |
| 409 if (token.isEmpty() || token == "null") { | |
| 410 context->UseDefaultSecurityToken(); | |
| 411 return; | |
| 412 } | |
| 413 | |
| 414 CString utf8Token = token.utf8(); | |
| 415 // NOTE: V8 does identity comparison in fast path, must use a symbol | |
| 416 // as the security token. | |
| 417 context->SetSecurityToken(v8::String::NewSymbol(utf8Token.data(), utf8Token.
length())); | |
| 418 } | |
| 419 | |
| 420 void V8DOMWindowShell::updateDocument() | |
| 421 { | |
| 422 ASSERT(m_world->isMainWorld()); | |
| 423 if (m_global.isEmpty()) | |
| 424 return; | |
| 425 if (m_context.isEmpty()) | |
| 426 return; | |
| 427 updateDocumentProperty(); | |
| 428 updateSecurityOrigin(); | |
| 429 } | |
| 430 | |
| 431 static v8::Handle<v8::Value> getNamedProperty(HTMLDocument* htmlDocument, const
AtomicString& key, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) | |
| 432 { | |
| 433 if (!htmlDocument->hasNamedItem(key.impl()) && !htmlDocument->hasExtraNamedI
tem(key.impl())) | |
| 434 return v8Undefined(); | |
| 435 | |
| 436 RefPtr<HTMLCollection> items = htmlDocument->documentNamedItems(key); | |
| 437 if (items->isEmpty()) | |
| 438 return v8Undefined(); | |
| 439 | |
| 440 if (items->hasExactlyOneItem()) { | |
| 441 Node* node = items->item(0); | |
| 442 Frame* frame = 0; | |
| 443 if (node->hasTagName(HTMLNames::iframeTag) && (frame = static_cast<HTMLI
FrameElement*>(node)->contentFrame())) | |
| 444 return toV8(frame->document()->domWindow(), creationContext, isolate
); | |
| 445 return toV8(node, creationContext, isolate); | |
| 446 } | |
| 447 return toV8(items.release(), creationContext, isolate); | |
| 448 } | |
| 449 | |
| 450 static void getter(v8::Local<v8::String> property, const v8::PropertyCallbackInf
o<v8::Value>& info) | |
| 451 { | |
| 452 // FIXME: Consider passing AtomicStringImpl directly. | |
| 453 AtomicString name = toWebCoreAtomicString(property); | |
| 454 HTMLDocument* htmlDocument = V8HTMLDocument::toNative(info.Holder()); | |
| 455 ASSERT(htmlDocument); | |
| 456 v8::Handle<v8::Value> result = getNamedProperty(htmlDocument, name, info.Hol
der(), info.GetIsolate()); | |
| 457 if (!result.IsEmpty()) { | |
| 458 v8SetReturnValue(info, result); | |
| 459 return; | |
| 460 } | |
| 461 v8::Handle<v8::Value> prototype = info.Holder()->GetPrototype(); | |
| 462 if (prototype->IsObject()) { | |
| 463 v8SetReturnValue(info, prototype.As<v8::Object>()->Get(property)); | |
| 464 return; | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 void V8DOMWindowShell::namedItemAdded(HTMLDocument* document, const AtomicString
& name) | |
| 469 { | |
| 470 ASSERT(m_world->isMainWorld()); | |
| 471 | |
| 472 if (m_context.isEmpty()) | |
| 473 return; | |
| 474 | |
| 475 v8::HandleScope handleScope(m_isolate); | |
| 476 v8::Context::Scope contextScope(m_context.get()); | |
| 477 | |
| 478 ASSERT(!m_document.isEmpty()); | |
| 479 v8::Handle<v8::Object> documentHandle = m_document.newLocal(m_isolate); | |
| 480 checkDocumentWrapper(documentHandle, document); | |
| 481 documentHandle->SetAccessor(v8String(name, m_isolate), getter); | |
| 482 } | |
| 483 | |
| 484 void V8DOMWindowShell::namedItemRemoved(HTMLDocument* document, const AtomicStri
ng& name) | |
| 485 { | |
| 486 ASSERT(m_world->isMainWorld()); | |
| 487 | |
| 488 if (m_context.isEmpty()) | |
| 489 return; | |
| 490 | |
| 491 if (document->hasNamedItem(name.impl()) || document->hasExtraNamedItem(name.
impl())) | |
| 492 return; | |
| 493 | |
| 494 v8::HandleScope handleScope(m_isolate); | |
| 495 v8::Context::Scope contextScope(m_context.get()); | |
| 496 | |
| 497 ASSERT(!m_document.isEmpty()); | |
| 498 v8::Handle<v8::Object> documentHandle = m_document.newLocal(m_isolate); | |
| 499 checkDocumentWrapper(documentHandle, document); | |
| 500 documentHandle->Delete(v8String(name, m_isolate)); | |
| 501 } | |
| 502 | |
| 503 void V8DOMWindowShell::updateSecurityOrigin() | |
| 504 { | |
| 505 ASSERT(m_world->isMainWorld()); | |
| 506 if (m_context.isEmpty()) | |
| 507 return; | |
| 508 v8::HandleScope handleScope; | |
| 509 setSecurityToken(); | |
| 510 } | |
| 511 | |
| 512 } // WebCore | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 17031006:
Rename DOMWindow interface to Window (Closed)
Base URL: svn://svn.chromium.org/blink/trunk