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Issue 1942623002: Rename Document::ownerElement to localOwner and fix main frame checks. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Removed const changes and some gratuitous checks Created 4 years, 7 months ago
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1 /* 1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org) 4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org) 5 * (C) 2006 Alexey Proskuryakov (ap@webkit.org)
6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All r ights reserved. 6 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All r ights reserved.
7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t orchmobile.com/) 7 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t orchmobile.com/)
8 * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved. 8 * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
9 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) 9 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
10 * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved. 10 * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
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591 // insert one), so we resume here too. That does mean XHTML documents make 591 // insert one), so we resume here too. That does mean XHTML documents make
592 // frames when there's only a <head>, but such documents are pretty rare. 592 // frames when there's only a <head>, but such documents are pretty rare.
593 if (m_documentElement && !isHTMLDocument()) 593 if (m_documentElement && !isHTMLDocument())
594 beginLifecycleUpdatesIfRenderingReady(); 594 beginLifecycleUpdatesIfRenderingReady();
595 } 595 }
596 596
597 void Document::setRootScroller(Element* newScroller, ExceptionState& exceptionSt ate) 597 void Document::setRootScroller(Element* newScroller, ExceptionState& exceptionSt ate)
598 { 598 {
599 DCHECK(newScroller); 599 DCHECK(newScroller);
600 600
601 if (ownerElement()) { 601 if (!frame() || !frame()->isMainFrame()) {
602 exceptionState.throwDOMException( 602 exceptionState.throwDOMException(
603 WrongDocumentError, 603 WrongDocumentError,
604 "Root scroller cannot be set on a document within a frame."); 604 "Root scroller can only be set on the top window's document.");
605 return; 605 return;
606 } 606 }
607 607
608 if (newScroller->document() != this) { 608 if (newScroller->document() != this) {
609 exceptionState.throwDOMException( 609 exceptionState.throwDOMException(
610 WrongDocumentError, 610 WrongDocumentError,
611 "Element isn't in this document."); 611 "Element isn't in this document.");
612 return; 612 return;
613 } 613 }
614 614
615 FrameHost* host = frameHost(); 615 FrameHost* host = frameHost();
616 if (!host) 616 if (!host)
617 return; 617 return;
618 618
619 RootScroller* rootScroller = host->rootScroller(); 619 RootScroller* rootScroller = host->rootScroller();
620 DCHECK(rootScroller); 620 DCHECK(rootScroller);
621 621
622 if (!rootScroller->set(*newScroller)) { 622 if (!rootScroller->set(*newScroller)) {
623 exceptionState.throwDOMException( 623 exceptionState.throwDOMException(
624 InvalidStateError, 624 InvalidStateError,
625 "Element cannot be set as root scroller. Must be block or iframe."); 625 "Element cannot be set as root scroller. Must be block or iframe.");
626 } 626 }
627 } 627 }
628 628
629 Element* Document::rootScroller() 629 Element* Document::rootScroller()
630 { 630 {
631 if (ownerElement()) 631 // TODO(bokan): Should child frames return the documentElement or nullptr?
632 if (!isInMainFrame())
632 return documentElement(); 633 return documentElement();
633 634
634 FrameHost* host = frameHost(); 635 FrameHost* host = frameHost();
635 if (!host) 636 if (!host)
636 return nullptr; 637 return nullptr;
637 638
638 RootScroller* rootScroller = host->rootScroller(); 639 RootScroller* rootScroller = host->rootScroller();
639 DCHECK(rootScroller); 640 DCHECK(rootScroller);
640 641
641 updateLayoutIgnorePendingStylesheets(); 642 updateLayoutIgnorePendingStylesheets();
642 643
643 return rootScroller->get(); 644 return rootScroller->get();
644 } 645 }
645 646
647 bool Document::isInMainFrame() const
648 {
649 return frame() && frame()->isMainFrame();
650 }
651
646 AtomicString Document::convertLocalName(const AtomicString& name) 652 AtomicString Document::convertLocalName(const AtomicString& name)
647 { 653 {
648 return isHTMLDocument() ? name.lower() : name; 654 return isHTMLDocument() ? name.lower() : name;
649 } 655 }
650 656
651 Element* Document::createElement(const AtomicString& name, ExceptionState& excep tionState) 657 Element* Document::createElement(const AtomicString& name, ExceptionState& excep tionState)
652 { 658 {
653 if (!isValidName(name)) { 659 if (!isValidName(name)) {
654 exceptionState.throwDOMException(InvalidCharacterError, "The tag name pr ovided ('" + name + "') is not a valid name."); 660 exceptionState.throwDOMException(InvalidCharacterError, "The tag name pr ovided ('" + name + "') is not a valid name.");
655 return nullptr; 661 return nullptr;
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1879 1885
1880 ScriptForbiddenScope forbidScript; 1886 ScriptForbiddenScope forbidScript;
1881 1887
1882 FrameView* frameView = view(); 1888 FrameView* frameView = view();
1883 if (frameView && frameView->isInPerformLayout()) { 1889 if (frameView && frameView->isInPerformLayout()) {
1884 // View layout should not be re-entrant. 1890 // View layout should not be re-entrant.
1885 ASSERT_NOT_REACHED(); 1891 ASSERT_NOT_REACHED();
1886 return; 1892 return;
1887 } 1893 }
1888 1894
1889 if (HTMLFrameOwnerElement* owner = ownerElement()) 1895 if (HTMLFrameOwnerElement* owner = localOwner())
1890 owner->document().updateLayout(); 1896 owner->document().updateLayout();
1891 1897
1892 updateLayoutTree(); 1898 updateLayoutTree();
1893 1899
1894 if (!isActive()) 1900 if (!isActive())
1895 return; 1901 return;
1896 1902
1897 if (frameView->needsLayout()) 1903 if (frameView->needsLayout())
1898 frameView->layout(); 1904 frameView->layout();
1899 1905
(...skipping 17 matching lines...) Expand all
1917 // first real or 'paintable' layout. 1923 // first real or 'paintable' layout.
1918 // TODO(esprehn): This doesn't really make sense, why not track the first 1924 // TODO(esprehn): This doesn't really make sense, why not track the first
1919 // beginFrame? This will catch the first layout in a page that does lots 1925 // beginFrame? This will catch the first layout in a page that does lots
1920 // of layout thrashing even though that layout might not be followed by 1926 // of layout thrashing even though that layout might not be followed by
1921 // a paint for many seconds. 1927 // a paint for many seconds.
1922 if (isRenderingReady() && body() && !styleEngine().hasPendingSheets()) { 1928 if (isRenderingReady() && body() && !styleEngine().hasPendingSheets()) {
1923 if (!m_documentTiming.firstLayout()) 1929 if (!m_documentTiming.firstLayout())
1924 m_documentTiming.markFirstLayout(); 1930 m_documentTiming.markFirstLayout();
1925 } 1931 }
1926 1932
1927 if (!ownerElement() && frameHost()) { 1933 if (isInMainFrame() && frameHost()) {
1928 if (RootScroller* rootScroller = frameHost()->rootScroller()) 1934 DCHECK(frameHost()->rootScroller());
1929 rootScroller->didUpdateTopDocumentLayout(); 1935 frameHost()->rootScroller()->didUpdateTopDocumentLayout();
1930 } 1936 }
1931 } 1937 }
1932 1938
1933 void Document::setNeedsFocusedElementCheck() 1939 void Document::setNeedsFocusedElementCheck()
1934 { 1940 {
1935 setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::createWit hExtraData(StyleChangeReason::PseudoClass, StyleChangeExtraData::Focus)); 1941 setNeedsStyleRecalc(LocalStyleChange, StyleChangeReasonForTracing::createWit hExtraData(StyleChangeReason::PseudoClass, StyleChangeExtraData::Focus));
1936 } 1942 }
1937 1943
1938 void Document::clearFocusedElementSoon() 1944 void Document::clearFocusedElementSoon()
1939 { 1945 {
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2642 if (frame()->navigationScheduler().locationChangePending() && elapsedTime() < cLayoutScheduleThreshold) { 2648 if (frame()->navigationScheduler().locationChangePending() && elapsedTime() < cLayoutScheduleThreshold) {
2643 // Just bail out. Before or during the onload we were shifted to another page. 2649 // Just bail out. Before or during the onload we were shifted to another page.
2644 // The old i-Bench suite does this. When this happens don't bother paint ing or laying out. 2650 // The old i-Bench suite does this. When this happens don't bother paint ing or laying out.
2645 m_loadEventProgress = LoadEventCompleted; 2651 m_loadEventProgress = LoadEventCompleted;
2646 return; 2652 return;
2647 } 2653 }
2648 2654
2649 // We used to force a synchronous display and flush here. This really isn't 2655 // We used to force a synchronous display and flush here. This really isn't
2650 // necessary and can in fact be actively harmful if pages are loading at a r ate of > 60fps 2656 // necessary and can in fact be actively harmful if pages are loading at a r ate of > 60fps
2651 // (if your platform is syncing flushes and limiting them to 60fps). 2657 // (if your platform is syncing flushes and limiting them to 60fps).
2652 if (!ownerElement() || (ownerElement()->layoutObject() && !ownerElement()->l ayoutObject()->needsLayout())) { 2658 if (!localOwner() || (localOwner()->layoutObject() && !localOwner()->layoutO bject()->needsLayout())) {
2653 updateLayoutTree(); 2659 updateLayoutTree();
2654 2660
2655 // Always do a layout after loading if needed. 2661 // Always do a layout after loading if needed.
2656 if (view() && layoutView() && (!layoutView()->firstChild() || layoutView ()->needsLayout())) 2662 if (view() && layoutView() && (!layoutView()->firstChild() || layoutView ()->needsLayout()))
2657 view()->layout(); 2663 view()->layout();
2658 } 2664 }
2659 2665
2660 m_loadEventProgress = LoadEventCompleted; 2666 m_loadEventProgress = LoadEventCompleted;
2661 2667
2662 if (frame() && layoutView() && settings()->accessibilityEnabled()) { 2668 if (frame() && layoutView() && settings()->accessibilityEnabled()) {
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4025 // Need to re-evaluate time-to-effect-change for any running animati ons. 4031 // Need to re-evaluate time-to-effect-change for any running animati ons.
4026 view()->scheduleAnimation(); 4032 view()->scheduleAnimation();
4027 } 4033 }
4028 } else if (eventType == EventTypeNames::webkitTransitionEnd || eventType == EventTypeNames::transitionend) { 4034 } else if (eventType == EventTypeNames::webkitTransitionEnd || eventType == EventTypeNames::transitionend) {
4029 addListenerType(TRANSITIONEND_LISTENER); 4035 addListenerType(TRANSITIONEND_LISTENER);
4030 } else if (eventType == EventTypeNames::scroll) { 4036 } else if (eventType == EventTypeNames::scroll) {
4031 addListenerType(SCROLL_LISTENER); 4037 addListenerType(SCROLL_LISTENER);
4032 } 4038 }
4033 } 4039 }
4034 4040
4035 HTMLFrameOwnerElement* Document::ownerElement() const 4041 HTMLFrameOwnerElement* Document::localOwner() const
4036 { 4042 {
4037 if (!frame()) 4043 if (!frame())
4038 return 0; 4044 return 0;
4039 // FIXME: This probably breaks the attempts to layout after a load is finish ed in implicitClose(), and probably tons of other things... 4045 // FIXME: This probably breaks the attempts to layout after a load is finish ed in implicitClose(), and probably tons of other things...
4040 return frame()->deprecatedLocalOwner(); 4046 return frame()->deprecatedLocalOwner();
4041 } 4047 }
4042 4048
4043 bool Document::isInInvisibleSubframe() const 4049 bool Document::isInInvisibleSubframe() const
4044 { 4050 {
4045 if (!ownerElement()) 4051 if (!localOwner())
4046 return false; // this is the root element 4052 return false; // this is a local root element
4047 4053
4054 // TODO(bokan): This looks like it doesn't work in OOPIF.
4048 DCHECK(frame()); 4055 DCHECK(frame());
4049 return !frame()->ownerLayoutObject(); 4056 return !frame()->ownerLayoutObject();
4050 } 4057 }
4051 4058
4052 String Document::cookie(ExceptionState& exceptionState) const 4059 String Document::cookie(ExceptionState& exceptionState) const
4053 { 4060 {
4054 if (settings() && !settings()->cookieEnabled()) 4061 if (settings() && !settings()->cookieEnabled())
4055 return String(); 4062 return String();
4056 4063
4057 // FIXME: The HTML5 DOM spec states that this attribute can raise an 4064 // FIXME: The HTML5 DOM spec states that this attribute can raise an
(...skipping 568 matching lines...) Expand 10 before | Expand all | Expand 10 after
4626 if (!parent || !parent->isLocalFrame()) 4633 if (!parent || !parent->isLocalFrame())
4627 return 0; 4634 return 0;
4628 return toLocalFrame(parent)->document(); 4635 return toLocalFrame(parent)->document();
4629 } 4636 }
4630 4637
4631 Document& Document::topDocument() const 4638 Document& Document::topDocument() const
4632 { 4639 {
4633 // FIXME: Not clear what topDocument() should do in the OOPI case--should it return the topmost 4640 // FIXME: Not clear what topDocument() should do in the OOPI case--should it return the topmost
4634 // available Document, or something else? 4641 // available Document, or something else?
4635 Document* doc = const_cast<Document*>(this); 4642 Document* doc = const_cast<Document*>(this);
4636 for (HTMLFrameOwnerElement* element = doc->ownerElement(); element; element = doc->ownerElement()) 4643 for (HTMLFrameOwnerElement* element = doc->localOwner(); element; element = doc->localOwner())
4637 doc = &element->document(); 4644 doc = &element->document();
4638 4645
4639 DCHECK(doc); 4646 DCHECK(doc);
4640 return *doc; 4647 return *doc;
4641 } 4648 }
4642 4649
4643 Document* Document::contextDocument() 4650 Document* Document::contextDocument()
4644 { 4651 {
4645 if (m_contextDocument) 4652 if (m_contextDocument)
4646 return m_contextDocument; 4653 return m_contextDocument;
(...skipping 891 matching lines...) Expand 10 before | Expand all | Expand 10 after
5538 void Document::updateHoverActiveState(const HitTestRequest& request, Element* in nerElement) 5545 void Document::updateHoverActiveState(const HitTestRequest& request, Element* in nerElement)
5539 { 5546 {
5540 DCHECK(!request.readOnly()); 5547 DCHECK(!request.readOnly());
5541 5548
5542 if (request.active() && m_frame) 5549 if (request.active() && m_frame)
5543 m_frame->eventHandler().notifyElementActivated(); 5550 m_frame->eventHandler().notifyElementActivated();
5544 5551
5545 Element* innerElementInDocument = innerElement; 5552 Element* innerElementInDocument = innerElement;
5546 while (innerElementInDocument && innerElementInDocument->document() != this) { 5553 while (innerElementInDocument && innerElementInDocument->document() != this) {
5547 innerElementInDocument->document().updateHoverActiveState(request, inner ElementInDocument); 5554 innerElementInDocument->document().updateHoverActiveState(request, inner ElementInDocument);
5548 innerElementInDocument = innerElementInDocument->document().ownerElement (); 5555 innerElementInDocument = innerElementInDocument->document().localOwner() ;
5549 } 5556 }
5550 5557
5551 updateDistribution(); 5558 updateDistribution();
5552 Element* oldActiveElement = activeHoverElement(); 5559 Element* oldActiveElement = activeHoverElement();
5553 if (oldActiveElement && !request.active()) { 5560 if (oldActiveElement && !request.active()) {
5554 // The oldActiveElement layoutObject is null, dropped on :active by sett ing display: none, 5561 // The oldActiveElement layoutObject is null, dropped on :active by sett ing display: none,
5555 // for instance. We still need to clear the ActiveChain as the mouse is released. 5562 // for instance. We still need to clear the ActiveChain as the mouse is released.
5556 for (Node* node = oldActiveElement; node; node = FlatTreeTraversal::pare nt(*node)) { 5563 for (Node* node = oldActiveElement; node; node = FlatTreeTraversal::pare nt(*node)) {
5557 DCHECK(!node->isTextNode()); 5564 DCHECK(!node->isTextNode());
5558 node->setActive(false); 5565 node->setActive(false);
(...skipping 410 matching lines...) Expand 10 before | Expand all | Expand 10 after
5969 #ifndef NDEBUG 5976 #ifndef NDEBUG
5970 using namespace blink; 5977 using namespace blink;
5971 void showLiveDocumentInstances() 5978 void showLiveDocumentInstances()
5972 { 5979 {
5973 Document::WeakDocumentSet& set = Document::liveDocumentSet(); 5980 Document::WeakDocumentSet& set = Document::liveDocumentSet();
5974 fprintf(stderr, "There are %u documents currently alive:\n", set.size()); 5981 fprintf(stderr, "There are %u documents currently alive:\n", set.size());
5975 for (Document* document : set) 5982 for (Document* document : set)
5976 fprintf(stderr, "- Document %p URL: %s\n", document, document->url().get String().utf8().data()); 5983 fprintf(stderr, "- Document %p URL: %s\n", document, document->url().get String().utf8().data());
5977 } 5984 }
5978 #endif 5985 #endif
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