Refactoring: Extract DocumentInit for capture Document construction parameter.

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 350 matching lines @@
             return;
         if (document->childNeedsStyleRecalc())
             return;
         if (document->focusedNode()->renderer() && document->focusedNode()->renderer()->needsLayout())
             return;
         if (!document->focusedNode()->isFocusable())
             document->setFocusedElement(0);
     }
 };
 
-Document::Document(Frame* frame, const KURL& url, DocumentClassFlags documentClasses)
+Document::Document(const DocumentInit& initializer, DocumentClassFlags documentClasses)
     : ContainerNode(0, CreateDocument)
     , TreeScope(this)
     , m_styleResolverThrowawayTimer(this, &Document::styleResolverThrowawayTimerFired)
     , m_lastStyleResolverAccessTime(0)
     , m_didCalculateStyleResolver(false)
     , m_ignorePendingStylesheets(false)
     , m_needsNotifyRemoveAllPendingStylesheet(false)
     , m_hasNodesWithPlaceholderStyle(false)
     , m_pendingSheetLayout(NoLayoutWithPendingSheets)
-    , m_frame(frame)
+    , m_frame(initializer.frame())
     , m_domWindow(0)
+    , m_import(initializer.import())
     , m_activeParserCount(0)
     , m_contextFeatures(ContextFeatures::defaultSwitch())
     , m_wellFormed(false)
     , m_printing(false)
     , m_paginatedForScreen(false)
     , m_ignoreAutofocus(false)
     , m_compatibilityMode(NoQuirksMode)
     , m_compatibilityModeLocked(false)
     , m_didPostCheckFocusedNodeTask(false)
     , m_domTreeVersion(++s_globalTreeVersion)
@@ skipping 42 matching lines @@
     , m_referrerPolicy(ReferrerPolicyDefault)
     , m_directionSetOnDocumentElement(false)
     , m_writingModeSetOnDocumentElement(false)
     , m_writeRecursionIsTooDeep(false)
     , m_writeRecursionDepth(0)
     , m_wheelEventHandlerCount(0)
     , m_lastHandledUserGestureTimestamp(0)
     , m_prerenderer(Prerenderer::create(this))
     , m_textAutosizer(TextAutosizer::create(this))
     , m_pendingTasksTimer(this, &Document::pendingTasksTimerFired)
-    , m_import(0)
     , m_scheduledTasksAreSuspended(false)
     , m_sharedObjectPoolClearTimer(this, &Document::sharedObjectPoolClearTimerFired)
 #ifndef NDEBUG
     , m_didDispatchViewportPropertiesChanged(false)
 #endif
     , m_timeline(DocumentTimeline::create(this))
     , m_templateDocumentHost(0)
     , m_fontloader(0)
     , m_didAssociateFormControlsTimer(this, &Document::didAssociateFormControlsTimerFired)
 {
     ScriptWrappable::init(this);
 
     if (m_frame) {
         provideContextFeaturesToDocumentFrom(this, m_frame->page());
 
         m_cachedResourceLoader = m_frame->loader()->activeDocumentLoader()->cachedResourceLoader();
     }
 
     if (!m_cachedResourceLoader)
         m_cachedResourceLoader = CachedResourceLoader::create(0);
     m_cachedResourceLoader->setDocument(this);
 
     // We depend on the url getting immediately set in subframes, but we
     // also depend on the url NOT getting immediately set in opened windows.
     // See fast/dom/early-frame-url.html
     // and fast/dom/location-new-window-no-crash.html, respectively.
     // FIXME: Can/should we unify this behavior?
-    if ((m_frame && m_frame->ownerElement()) || !url.isEmpty())
-        setURL(url);
+    if (initializer.shouldSetURL())
+        setURL(initializer.url());
 
-    initSecurityContext();
+    initSecurityContext(initializer);
     initDNSPrefetch();
 
     for (unsigned i = 0; i < WTF_ARRAY_LENGTH(m_nodeListCounts); i++)
         m_nodeListCounts[i] = 0;
 
     InspectorCounters::incrementCounter(InspectorCounters::DocumentCounter);
 
     bool shouldProcessCustomElements =
         (isHTMLDocument() || isXHTMLDocument())
         && RuntimeEnabledFeatures::customDOMElementsEnabled();
@@ skipping 3691 matching lines @@
         return false;
     if (child->isSrcdocDocument())
         return true;
     if (parent->securityOrigin()->canAccess(child->securityOrigin()))
         return true;
     return parent->securityOrigin()->canRequest(child->url());
 }
 
 void Document::initSecurityContext()
 {
+    initSecurityContext(DocumentInit(m_url, m_frame, m_import));
+}
+
+void Document::initSecurityContext(const DocumentInit& initializer)
+{
     if (haveInitializedSecurityOrigin()) {
         ASSERT(securityOrigin());
         return;
     }
 
-    if (!m_frame) {
+    if (!initializer.frame()) {
         // No source for a security context.
         // This can occur via document.implementation.createDocument().
         m_cookieURL = KURL(ParsedURLString, emptyString());
         setSecurityOrigin(SecurityOrigin::createUnique());
         setContentSecurityPolicy(ContentSecurityPolicy::create(this));
         return;
     }
 
     // In the common case, create the security context from the currently
     // loading URL with a fresh content security policy.
     m_cookieURL = m_url;
-    enforceSandboxFlags(m_frame->loader()->effectiveSandboxFlags());
+    enforceSandboxFlags(initializer.sandboxFlags());
     setSecurityOrigin(isSandboxed(SandboxOrigin) ? SecurityOrigin::createUnique() : SecurityOrigin::create(m_url));
     setContentSecurityPolicy(ContentSecurityPolicy::create(this));
 
-    if (Settings* settings = this->settings()) {
+    if (Settings* settings = initializer.settings()) {
         if (!settings->webSecurityEnabled()) {
             // Web security is turned off. We should let this document access every other document. This is used primary by testing
             // harnesses for web sites.
             securityOrigin()->grantUniversalAccess();
         } else if (securityOrigin()->isLocal()) {
             if (settings->allowUniversalAccessFromFileURLs()) {
                 // Some clients want local URLs to have universal access, but that setting is dangerous for other clients.
                 securityOrigin()->grantUniversalAccess();
             } else if (!settings->allowFileAccessFromFileURLs()) {
                 // Some clients want local URLs to have even tighter restrictions by default, and not be able to access other local files.
                 // FIXME 81578: The naming of this is confusing. Files with restricted access to other local files
                 // still can have other privileges that can be remembered, thereby not making them unique origins.
                 securityOrigin()->enforceFilePathSeparation();
             }
         }
     }
 
     Document* parentDocument = ownerElement() ? ownerElement()->document() : 0;
-    if (parentDocument && m_frame->loader()->shouldTreatURLAsSrcdocDocument(url())) {
+    if (parentDocument && initializer.shouldTreatURLAsSrcdocDocument()) {
         m_isSrcdocDocument = true;
         setBaseURLOverride(parentDocument->baseURL());
     }
 
     // FIXME: What happens if we inherit the security origin? This check may need to be later.
     // <iframe seamless src="about:blank"> likely won't work as-is.
     m_mayDisplaySeamlesslyWithParent = isEligibleForSeamless(parentDocument, this);
 
     if (!shouldInheritSecurityOriginFromOwner(m_url))
         return;
 
     // If we do not obtain a meaningful origin from the URL, then we try to
     // find one via the frame hierarchy.
 
-    Frame* ownerFrame = m_frame->tree()->parent();
-    if (!ownerFrame)
-        ownerFrame = m_frame->loader()->opener();
-
+    Frame* ownerFrame = initializer.ownerFrame();
     if (!ownerFrame) {
         didFailToInitializeSecurityOrigin();
         return;
     }
 
     if (isSandboxed(SandboxOrigin)) {
         // If we're supposed to inherit our security origin from our owner,
         // but we're also sandboxed, the only thing we inherit is the ability
         // to load local resources. This lets about:blank iframes in file://
         // URL documents load images and other resources from the file system.
@@ skipping 853 matching lines @@
         result.iterator->value = Locale::create(localeKey);
     return *(result.iterator->value);
 }
 
 Document* Document::ensureTemplateDocument()
 {
     if (const Document* document = templateDocument())
         return const_cast<Document*>(document);
 
     if (isHTMLDocument())
-        m_templateDocument = HTMLDocument::create(0, blankURL());
+        m_templateDocument = HTMLDocument::create(DocumentInit(blankURL()));
     else
-        m_templateDocument = Document::create(0, blankURL());
+        m_templateDocument = Document::create(DocumentInit(blankURL()));
 
     m_templateDocument->setTemplateDocumentHost(this); // balanced in dtor.
 
     return m_templateDocument.get();
 }
 
 PassRefPtr<FontLoader> Document::fontloader()
 {
     if (!m_fontloader)
         m_fontloader = FontLoader::create(this);
@@ skipping 26 matching lines @@
 {
     return DocumentLifecycleNotifier::create(this);
 }
 
 DocumentLifecycleNotifier* Document::lifecycleNotifier()
 {
     return static_cast<DocumentLifecycleNotifier*>(ScriptExecutionContext::lifecycleNotifier());
 }
 
 } // namespace WebCore