webkit/pending/Frame.cpp - Issue 6500: Cleaning up the unfork

Unified Diff: webkit/pending/Frame.cpp

Issue 6500: Cleaning up the unfork (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/

Patch Set: Created 12 years, 2 months ago

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Index: webkit/pending/Frame.cpp

===================================================================

--- webkit/pending/Frame.cpp (revision 2884)

+++ webkit/pending/Frame.cpp (working copy)

@@ -1,1905 +0,0 @@

-/*

- * 1999 Lars Knoll <knoll@kde.org>

- * 1999 Antti Koivisto <koivisto@kde.org>

- * 2000 Simon Hausmann <hausmann@kde.org>

- * 2000 Stefan Schimanski <1Stein@gmx.de>

- * 2001 George Staikos <staikos@kde.org>

- *

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Library General Public

- * License as published by the Free Software Foundation; either

- * version 2 of the License, or (at your option) any later version.

- *

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

- * Library General Public License for more details.

- *

- * You should have received a copy of the GNU Library General Public License

- * along with this library; see the file COPYING.LIB. If not, write to

- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

- * Boston, MA 02110-1301, USA.

- */

-#include "config.h"

-#include "Frame.h"

-#include "FramePrivate.h"

-#include "ApplyStyleCommand.h"

-#include "BeforeUnloadEvent.h"

-#include "CSSComputedStyleDeclaration.h"

-#include "CSSProperty.h"

-#include "CSSPropertyNames.h"

-#include "CachedCSSStyleSheet.h"

-#include "DOMWindow.h"

-#include "DocLoader.h"

-#include "DocumentType.h"

-#include "EditingText.h"

-#include "EditorClient.h"

-#include "EventNames.h"

-#include "FocusController.h"

-#include "FrameLoader.h"

-#include "FrameView.h"

-#include "GraphicsContext.h"

-#include "HTMLDocument.h"

-#include "HTMLFormElement.h"

-#include "HTMLFrameElementBase.h"

-#include "HTMLFormControlElement.h"

-#include "HTMLNames.h"

-#include "HTMLTableCellElement.h"

-#include "HitTestResult.h"

-#include "Logging.h"

-#include "markup.h"

-#include "MediaFeatureNames.h"

-#include "Navigator.h"

-#include "NodeList.h"

-#include "Page.h"

-#include "RegularExpression.h"

-#include "RenderPart.h"

-#include "RenderTableCell.h"

-#include "RenderTextControl.h"

-#include "RenderTheme.h"

-#include "RenderView.h"

-#include "ScriptController.h"

-#include "Settings.h"

-#include "SystemTime.h"

-#include "TextIterator.h"

-#include "TextResourceDecoder.h"

-#include "XMLNames.h"

-#include "ScriptController.h"

-#include "npruntime_impl.h"

-#include "runtime_root.h"

-#include "visible_units.h"

-#include <wtf/RefCountedLeakCounter.h>

-#if USE(JSC)

-#include "JSDOMWindowShell.h"

-#endif

-#if FRAME_LOADS_USER_STYLESHEET

-#include "UserStyleSheetLoader.h"

-#endif

-#if ENABLE(SVG)

-#include "SVGDocument.h"

-#include "SVGDocumentExtensions.h"

-#include "SVGNames.h"

-#include "XLinkNames.h"

-#endif

-using namespace std;

-namespace WebCore {

-using namespace EventNames;

-using namespace HTMLNames;

-double Frame::s_currentPaintTimeStamp = 0.0;

-#ifndef NDEBUG

-static WTF::RefCountedLeakCounter frameCounter("Frame");

-#endif

-static inline Frame* parentFromOwnerElement(HTMLFrameOwnerElement* ownerElement)

- if (!ownerElement)

- return 0;

- return ownerElement->document()->frame();

-Frame::Frame(Page* page, HTMLFrameOwnerElement* ownerElement, FrameLoaderClient* frameLoaderClient)

- : d(new FramePrivate(page, parentFromOwnerElement(ownerElement), this, ownerElement, frameLoaderClient))

- AtomicString::init();

- EventNames::init();

- HTMLNames::init();

- QualifiedName::init();

- MediaFeatureNames::init();

-#if ENABLE(SVG)

- SVGNames::init();

- XLinkNames::init();

-#endif

- XMLNames::init();

- if (!ownerElement)

- page->setMainFrame(this);

- else {

- page->incrementFrameCount();

- // Make sure we will not end up with two frames referencing the same owner element.

- ASSERT((!(ownerElement->m_contentFrame)) || (ownerElement->m_contentFrame->ownerElement() != ownerElement));

- ownerElement->m_contentFrame = this;

- }

-#ifndef NDEBUG

- frameCounter.increment();

-#endif

-Frame::~Frame()

- setView(0);

- loader()->clearRecordedFormValues();

- loader()->cancelAndClear();

- // FIXME: We should not be doing all this work inside the destructor

- ASSERT(!d->m_lifeSupportTimer.isActive());

-#ifndef NDEBUG

- frameCounter.decrement();

-#endif

- d->m_script.disconnectFrame();

- disconnectOwnerElement();

- if (d->m_domWindow)

- d->m_domWindow->disconnectFrame();

- HashSet<DOMWindow*>::iterator end = d->m_liveFormerWindows.end();

- for (HashSet<DOMWindow*>::iterator it = d->m_liveFormerWindows.begin(); it != end; ++it)

- (*it)->disconnectFrame();

- if (d->m_view) {

- d->m_view->hide();

- d->m_view->clearFrame();

- }

- ASSERT(!d->m_lifeSupportTimer.isActive());

-#if FRAME_LOADS_USER_STYLESHEET

- delete d->m_userStyleSheetLoader;

-#endif

- delete d;

- d = 0;

-void Frame::init()

- d->m_loader.init();

-FrameLoader* Frame::loader() const

- return &d->m_loader;

-FrameView* Frame::view() const

- return d->m_view.get();

-void Frame::setView(FrameView* view)

- // Detach the document now, so any onUnload handlers get run - if

- // we wait until the view is destroyed, then things won't be

- // hooked up enough for some JavaScript calls to work.

- if (!view && d->m_doc && d->m_doc->attached() && !d->m_doc->inPageCache()) {

- // FIXME: We don't call willRemove here. Why is that OK?

- d->m_doc->detach();

- if (d->m_view)

- d->m_view->unscheduleRelayout();

- }

- eventHandler()->clear();

- d->m_view = view;

- // Only one form submission is allowed per view of a part.

- // Since this part may be getting reused as a result of being

- // pulled from the back/forward cache, reset this flag.

- loader()->resetMultipleFormSubmissionProtection();

-ScriptController* Frame::script()

- return &d->m_script;

-Document* Frame::document() const

- return d->m_doc.get();

-void Frame::setDocument(PassRefPtr<Document> newDoc)

- if (d->m_doc && d->m_doc->attached() && !d->m_doc->inPageCache()) {

- // FIXME: We don't call willRemove here. Why is that OK?

- d->m_doc->detach();

- }

- d->m_doc = newDoc;

- if (d->m_doc && selection()->isFocusedAndActive())

- setUseSecureKeyboardEntry(d->m_doc->useSecureKeyboardEntryWhenActive());

- if (d->m_doc && !d->m_doc->attached())

- d->m_doc->attach();

- // Update the cached 'document' property, which is now stale.

- d->m_script.updateDocument();

-Settings* Frame::settings() const

- return d->m_page ? d->m_page->settings() : 0;

-String Frame::selectedText() const

- return plainText(selection()->toRange().get());

-IntRect Frame::firstRectForRange(Range* range) const

- int extraWidthToEndOfLine = 0;

- ExceptionCode ec = 0;

- ASSERT(range->startContainer(ec));

- ASSERT(range->endContainer(ec));

- InlineBox* startInlineBox;

- int startCaretOffset;

- range->startPosition().getInlineBoxAndOffset(DOWNSTREAM, startInlineBox, startCaretOffset);

- IntRect startCaretRect = range->startContainer(ec)->renderer()->caretRect(startInlineBox, startCaretOffset, &extraWidthToEndOfLine);

- InlineBox* endInlineBox;

- int endCaretOffset;

- range->endPosition().getInlineBoxAndOffset(UPSTREAM, endInlineBox, endCaretOffset);

- IntRect endCaretRect = range->endContainer(ec)->renderer()->caretRect(endInlineBox, endCaretOffset);

- if (startCaretRect.y() == endCaretRect.y()) {

- // start and end are on the same line

- return IntRect(min(startCaretRect.x(), endCaretRect.x()),

- startCaretRect.y(),

- abs(endCaretRect.x() - startCaretRect.x()),

- max(startCaretRect.height(), endCaretRect.height()));

- }

- // start and end aren't on the same line, so go from start to the end of its line

- return IntRect(startCaretRect.x(),

- startCaretRect.y(),

- startCaretRect.width() + extraWidthToEndOfLine,

- startCaretRect.height());

-SelectionController* Frame::selection() const

- return &d->m_selectionController;

-Editor* Frame::editor() const

- return &d->m_editor;

-TextGranularity Frame::selectionGranularity() const

- return d->m_selectionGranularity;

-void Frame::setSelectionGranularity(TextGranularity granularity) const

- d->m_selectionGranularity = granularity;

-SelectionController* Frame::dragCaretController() const

- return d->m_page->dragCaretController();

-AnimationController* Frame::animation() const

- return &d->m_animationController;

-static RegularExpression* createRegExpForLabels(const Vector<String>& labels)

- // REVIEW- version of this call in FrameMac.mm caches based on the NSArray ptrs being

- // the same across calls. We can't do that.

- static RegularExpression wordRegExp = RegularExpression("\\w");

- String pattern("(");

- unsigned int numLabels = labels.size();

- unsigned int i;

- for (i = 0; i < numLabels; i++) {

- String label = labels[i];

- bool startsWithWordChar = false;

- bool endsWithWordChar = false;

- if (label.length() != 0) {

- startsWithWordChar = wordRegExp.search(label.substring(0, 1)) >= 0;

- endsWithWordChar = wordRegExp.search(label.substring(label.length() - 1, 1)) >= 0;

- }

- if (i != 0)

- pattern.append("|");

- // Search for word boundaries only if label starts/ends with "word characters".

- // If we always searched for word boundaries, this wouldn't work for languages

- // such as Japanese.

- if (startsWithWordChar) {

- pattern.append("\\b");

- }

- pattern.append(label);

- if (endsWithWordChar) {

- pattern.append("\\b");

- }

- pattern.append(")");

- return new RegularExpression(pattern, false);

-String Frame::searchForLabelsAboveCell(RegularExpression* regExp, HTMLTableCellElement* cell)

- RenderTableCell* cellRenderer = static_cast<RenderTableCell*>(cell->renderer());

- if (cellRenderer && cellRenderer->isTableCell()) {

- RenderTableCell* cellAboveRenderer = cellRenderer->table()->cellAbove(cellRenderer);

- if (cellAboveRenderer) {

- HTMLTableCellElement* aboveCell =

- static_cast<HTMLTableCellElement*>(cellAboveRenderer->element());

- if (aboveCell) {

- // search within the above cell we found for a match

- for (Node* n = aboveCell->firstChild(); n; n = n->traverseNextNode(aboveCell)) {

- if (n->isTextNode() && n->renderer() && n->renderer()->style()->visibility() == VISIBLE) {

- // For each text chunk, run the regexp

- String nodeString = n->nodeValue();

- int pos = regExp->searchRev(nodeString);

- if (pos >= 0)

- return nodeString.substring(pos, regExp->matchedLength());

- }

- // Any reason in practice to search all cells in that are above cell?

- return String();

-String Frame::searchForLabelsBeforeElement(const Vector<String>& labels, Element* element)

- OwnPtr<RegularExpression> regExp(createRegExpForLabels(labels));

- // We stop searching after we've seen this many chars

- const unsigned int charsSearchedThreshold = 500;

- // This is the absolute max we search. We allow a little more slop than

- // charsSearchedThreshold, to make it more likely that we'll search whole nodes.

- const unsigned int maxCharsSearched = 600;

- // If the starting element is within a table, the cell that contains it

- HTMLTableCellElement* startingTableCell = 0;

- bool searchedCellAbove = false;

- // walk backwards in the node tree, until another element, or form, or end of tree

- int unsigned lengthSearched = 0;

- Node* n;

- for (n = element->traversePreviousNode();

- n && lengthSearched < charsSearchedThreshold;

- n = n->traversePreviousNode())

- {

- if (n->hasTagName(formTag)

- || (n->isHTMLElement()

- && static_cast<HTMLElement*>(n)->isGenericFormElement()))

- {

- // We hit another form element or the start of the form - bail out

- break;

- } else if (n->hasTagName(tdTag) && !startingTableCell) {

- startingTableCell = static_cast<HTMLTableCellElement*>(n);

- } else if (n->hasTagName(trTag) && startingTableCell) {

- String result = searchForLabelsAboveCell(regExp.get(), startingTableCell);

- if (!result.isEmpty())

- return result;

- searchedCellAbove = true;

- } else if (n->isTextNode() && n->renderer() && n->renderer()->style()->visibility() == VISIBLE) {

- // For each text chunk, run the regexp

- String nodeString = n->nodeValue();

- // add 100 for slop, to make it more likely that we'll search whole nodes

- if (lengthSearched + nodeString.length() > maxCharsSearched)

- nodeString = nodeString.right(charsSearchedThreshold - lengthSearched);

- int pos = regExp->searchRev(nodeString);

- if (pos >= 0)

- return nodeString.substring(pos, regExp->matchedLength());

- lengthSearched += nodeString.length();

- }

- // If we started in a cell, but bailed because we found the start of the form or the

- // previous element, we still might need to search the row above us for a label.

- if (startingTableCell && !searchedCellAbove) {

- return searchForLabelsAboveCell(regExp.get(), startingTableCell);

- }

- return String();

-String Frame::matchLabelsAgainstElement(const Vector<String>& labels, Element* element)

- String name = element->getAttribute(nameAttr);

- if (name.isEmpty())

- return String();

- // Make numbers and _'s in field names behave like word boundaries, e.g., "address2"

- replace(name, RegularExpression("\\d"), " ");

- name.replace('_', ' ');

- OwnPtr<RegularExpression> regExp(createRegExpForLabels(labels));

- // Use the largest match we can find in the whole name string

- int pos;

- int length;

- int bestPos = -1;

- int bestLength = -1;

- int start = 0;

- do {

- pos = regExp->search(name, start);

- if (pos != -1) {

- length = regExp->matchedLength();

- if (length >= bestLength) {

- bestPos = pos;

- bestLength = length;

- }

- start = pos + 1;

- }

- } while (pos != -1);

- if (bestPos != -1)

- return name.substring(bestPos, bestLength);

- return String();

-const Selection& Frame::mark() const

- return d->m_mark;

-void Frame::setMark(const Selection& s)

- ASSERT(!s.base().node() || s.base().node()->document() == document());

- ASSERT(!s.extent().node() || s.extent().node()->document() == document());

- ASSERT(!s.start().node() || s.start().node()->document() == document());

- ASSERT(!s.end().node() || s.end().node()->document() == document());

- d->m_mark = s;

-void Frame::notifyRendererOfSelectionChange(bool userTriggered)

- RenderObject* renderer = 0;

- if (selection()->rootEditableElement())

- renderer = selection()->rootEditableElement()->shadowAncestorNode()->renderer();

- // If the current selection is in a textfield or textarea, notify the renderer that the selection has changed

- if (renderer && (renderer->isTextArea() || renderer->isTextField()))

- static_cast<RenderTextControl*>(renderer)->selectionChanged(userTriggered);

-void Frame::invalidateSelection()

- selection()->setNeedsLayout();

- selectionLayoutChanged();

-void Frame::setCaretVisible(bool flag)

- if (d->m_caretVisible == flag)

- return;

- clearCaretRectIfNeeded();

- d->m_caretVisible = flag;

- selectionLayoutChanged();

-void Frame::clearCaretRectIfNeeded()

- if (d->m_caretPaint) {

- d->m_caretPaint = false;

- selection()->invalidateCaretRect();

- }

-// Helper function that tells whether a particular node is an element that has an entire

-// Frame and FrameView, a <frame>, <iframe>, or <object>.

-static bool isFrameElement(const Node *n)

- if (!n)

- return false;

- RenderObject *renderer = n->renderer();

- if (!renderer || !renderer->isWidget())

- return false;

- Widget* widget = static_cast<RenderWidget*>(renderer)->widget();

- return widget && widget->isFrameView();

-void Frame::setFocusedNodeIfNeeded()

- if (!document() || selection()->isNone() || !selection()->isFocusedAndActive())

- return;

- Node* target = selection()->rootEditableElement();

- if (target) {

- RenderObject* renderer = target->renderer();

- // Walk up the render tree to search for a node to focus.

- // Walking up the DOM tree wouldn't work for shadow trees, like those behind the engine-based text fields.

- while (renderer) {

- // We don't want to set focus on a subframe when selecting in a parent frame,

- // so add the !isFrameElement check here. There's probably a better way to make this

- // work in the long term, but this is the safest fix at this time.

- if (target && target->isMouseFocusable() && !isFrameElement(target)) {

- page()->focusController()->setFocusedNode(target, this);

- return;

- }

- renderer = renderer->parent();

- if (renderer)

- target = renderer->element();

- }

- document()->setFocusedNode(0);

- }

-void Frame::selectionLayoutChanged()

- bool caretRectChanged = selection()->recomputeCaretRect();

- bool shouldBlink = d->m_caretVisible

- && selection()->isCaret() && selection()->isContentEditable();

- // If the caret moved, stop the blink timer so we can restart with a

- // black caret in the new location.

- if (caretRectChanged || !shouldBlink)

- d->m_caretBlinkTimer.stop();

- // Start blinking with a black caret. Be sure not to restart if we're

- // already blinking in the right location.

- if (shouldBlink && !d->m_caretBlinkTimer.isActive()) {

- d->m_caretBlinkTimer.startRepeating(theme()->caretBlinkFrequency());

- if (!d->m_caretPaint) {

- d->m_caretPaint = true;

- selection()->invalidateCaretRect();

- }

- RenderView* canvas = contentRenderer();

- if (!canvas)

- return;

- Selection selection = this->selection()->selection();

- if (!selection.isRange())

- canvas->clearSelection();

- else {

- // Use the rightmost candidate for the start of the selection, and the leftmost candidate for the end of the selection.

- // Example: foo <a>bar</a>. Imagine that a line wrap occurs after 'foo', and that 'bar' is selected. If we pass [foo, 3]

- // as the start of the selection, the selection painting code will think that content on the line containing 'foo' is selected

- // and will fill the gap before 'bar'.

- Position startPos = selection.start();

- if (startPos.downstream().isCandidate())

- startPos = startPos.downstream();

- Position endPos = selection.end();

- if (endPos.upstream().isCandidate())

- endPos = endPos.upstream();

- // We can get into a state where the selection endpoints map to the same VisiblePosition when a selection is deleted

- // because we don't yet notify the SelectionController of text removal.

- if (startPos.isNotNull() && endPos.isNotNull() && selection.visibleStart() != selection.visibleEnd()) {

- RenderObject *startRenderer = startPos.node()->renderer();

- RenderObject *endRenderer = endPos.node()->renderer();

- canvas->setSelection(startRenderer, startPos.offset(), endRenderer, endPos.offset());

- }

-void Frame::caretBlinkTimerFired(Timer<Frame>*)

- ASSERT(d->m_caretVisible);

- ASSERT(selection()->isCaret());

- bool caretPaint = d->m_caretPaint;

- if (selection()->isCaretBlinkingSuspended() && caretPaint)

- return;

- d->m_caretPaint = !caretPaint;

- selection()->invalidateCaretRect();

-void Frame::paintCaret(GraphicsContext* p, const IntRect& rect) const

- if (d->m_caretPaint && d->m_caretVisible)

- selection()->paintCaret(p, rect);

-void Frame::paintDragCaret(GraphicsContext* p, const IntRect& rect) const

- SelectionController* dragCaretController = d->m_page->dragCaretController();

- ASSERT(dragCaretController->selection().isCaret());

- if (dragCaretController->selection().start().node()->document()->frame() == this)

- dragCaretController->paintCaret(p, rect);

-float Frame::zoomFactor() const

- return d->m_zoomFactor;

-bool Frame::isZoomFactorTextOnly() const

- return d->m_page->settings()->zoomsTextOnly();

-bool Frame::shouldApplyTextZoom() const

- if (d->m_zoomFactor == 1.0f || !isZoomFactorTextOnly())

- return false;

-#if ENABLE(SVG)

- if (d->m_doc && d->m_doc->isSVGDocument())

- return false;

-#endif

- return true;

-bool Frame::shouldApplyPageZoom() const

- if (d->m_zoomFactor == 1.0f || isZoomFactorTextOnly())

- return false;

-#if ENABLE(SVG)

- if (d->m_doc && d->m_doc->isSVGDocument())

- return false;

-#endif

- return true;

-void Frame::setZoomFactor(float percent, bool isTextOnly)

- if (d->m_zoomFactor == percent && isZoomFactorTextOnly())

- return;

-#if ENABLE(SVG)

- // SVG doesn't care if the zoom factor is text only. It will always apply a

- // zoom to the whole SVG.

- if (d->m_doc && d->m_doc->isSVGDocument()) {

- if (!static_cast<SVGDocument*>(d->m_doc.get())->zoomAndPanEnabled())

- return;

- d->m_zoomFactor = percent;

- d->m_page->settings()->setZoomsTextOnly(true); // We do this to avoid doing any scaling of CSS pixels, since the SVG has its own notion of zoom.

- if (d->m_doc->renderer())

- d->m_doc->renderer()->repaint();

- return;

- }

-#endif

- d->m_zoomFactor = percent;

- d->m_page->settings()->setZoomsTextOnly(isTextOnly);

- if (d->m_doc)

- d->m_doc->recalcStyle(Node::Force);

- for (Frame* child = tree()->firstChild(); child; child = child->tree()->nextSibling())

- child->setZoomFactor(d->m_zoomFactor, isTextOnly);

- if (d->m_doc && d->m_doc->renderer() && d->m_doc->renderer()->needsLayout() && view()->didFirstLayout())

- view()->layout();

-void Frame::setPrinting(bool printing, float minPageWidth, float maxPageWidth, bool adjustViewSize)

- if (!d->m_doc)

- return;

- d->m_doc->setPrinting(printing);

- view()->setMediaType(printing ? "print" : "screen");

- d->m_doc->updateStyleSelector();

- forceLayoutWithPageWidthRange(minPageWidth, maxPageWidth, adjustViewSize);

- for (Frame* child = tree()->firstChild(); child; child = child->tree()->nextSibling())

- child->setPrinting(printing, minPageWidth, maxPageWidth, adjustViewSize);

-void Frame::setJSStatusBarText(const String& text)

- d->m_kjsStatusBarText = text;

- if (d->m_page)

- d->m_page->chrome()->setStatusbarText(this, d->m_kjsStatusBarText);

-void Frame::setJSDefaultStatusBarText(const String& text)

- d->m_kjsDefaultStatusBarText = text;

- if (d->m_page)

- d->m_page->chrome()->setStatusbarText(this, d->m_kjsDefaultStatusBarText);

-String Frame::jsStatusBarText() const

- return d->m_kjsStatusBarText;

-String Frame::jsDefaultStatusBarText() const

- return d->m_kjsDefaultStatusBarText;

-void Frame::setNeedsReapplyStyles()

- if (d->m_needsReapplyStyles)

- return;

- d->m_needsReapplyStyles = true;

- // Invalidate the FrameView so that FrameView::layout will get called,

- // which calls reapplyStyles.

- FrameView* curView = view();

- if (curView)

- curView->invalidate();

-bool Frame::needsReapplyStyles() const

- return d->m_needsReapplyStyles;

-void Frame::reapplyStyles()

- d->m_needsReapplyStyles = false;

- // FIXME: This call doesn't really make sense in a method called

- // "reapplyStyles". We should probably eventually move it into its own

- // method.

- if (d->m_doc)

- d->m_doc->docLoader()->setAutoLoadImages(d->m_page && d->m_page->settings()->loadsImagesAutomatically());

-#if FRAME_LOADS_USER_STYLESHEET

- const KURL userStyleSheetLocation = d->m_page ? d->m_page->settings()->userStyleSheetLocation() : KURL();

- if (!userStyleSheetLocation.isEmpty())

- setUserStyleSheetLocation(userStyleSheetLocation);

- else

- setUserStyleSheet(String());

-#endif

- // FIXME: It's not entirely clear why the following is needed.

- // The document automatically does this as required when you set the style sheet.

- // But we had problems when this code was removed. Details are in

- // <http://bugs.webkit.org/show_bug.cgi?id=8079>.

- if (d->m_doc)

- d->m_doc->updateStyleSelector();

-bool Frame::shouldChangeSelection(const Selection& newSelection) const

- return shouldChangeSelection(selection()->selection(), newSelection, newSelection.affinity(), false);

-bool Frame::shouldChangeSelection(const Selection& oldSelection, const Selection& newSelection, EAffinity affinity, bool stillSelecting) const

- return editor()->client()->shouldChangeSelectedRange(oldSelection.toRange().get(), newSelection.toRange().get(),

- affinity, stillSelecting);

-bool Frame::shouldDeleteSelection(const Selection& selection) const

- return editor()->client()->shouldDeleteRange(selection.toRange().get());

-bool Frame::isContentEditable() const

- if (d->m_editor.clientIsEditable())

- return true;

- if (!d->m_doc)

- return false;

- return d->m_doc->inDesignMode();

-#if !PLATFORM(MAC)

-void Frame::setUseSecureKeyboardEntry(bool)

-#endif

-void Frame::updateSecureKeyboardEntryIfActive()

- if (selection()->isFocusedAndActive())

- setUseSecureKeyboardEntry(d->m_doc->useSecureKeyboardEntryWhenActive());

-CSSMutableStyleDeclaration *Frame::typingStyle() const

- return d->m_typingStyle.get();

-void Frame::setTypingStyle(CSSMutableStyleDeclaration *style)

- d->m_typingStyle = style;

-void Frame::clearTypingStyle()

- d->m_typingStyle = 0;

-void Frame::computeAndSetTypingStyle(CSSStyleDeclaration *style, EditAction editingAction)

- if (!style || style->length() == 0) {

- clearTypingStyle();

- return;

- }

- // Calculate the current typing style.

- RefPtr<CSSMutableStyleDeclaration> mutableStyle = style->makeMutable();

- if (typingStyle()) {

- typingStyle()->merge(mutableStyle.get());

- mutableStyle = typingStyle();

- }

- Node* node = selection()->selection().visibleStart().deepEquivalent().node();

- computedStyle(node)->diff(mutableStyle.get());

- // Handle block styles, substracting these from the typing style.

- RefPtr<CSSMutableStyleDeclaration> blockStyle = mutableStyle->copyBlockProperties();

- blockStyle->diff(mutableStyle.get());

- if (document() && blockStyle->length() > 0)

- applyCommand(ApplyStyleCommand::create(document(), blockStyle.get(), editingAction));

- // Set the remaining style as the typing style.

- d->m_typingStyle = mutableStyle.release();

-String Frame::selectionStartStylePropertyValue(int stylePropertyID) const

- Node *nodeToRemove;

- RefPtr<CSSStyleDeclaration> selectionStyle = selectionComputedStyle(nodeToRemove);

- if (!selectionStyle)

- return String();

- String value = selectionStyle->getPropertyValue(stylePropertyID);

- if (nodeToRemove) {

- ExceptionCode ec = 0;

- nodeToRemove->remove(ec);

- ASSERT(ec == 0);

- }

- return value;

-PassRefPtr<CSSComputedStyleDeclaration> Frame::selectionComputedStyle(Node*& nodeToRemove) const

- nodeToRemove = 0;

- if (!document())

- return 0;

- if (selection()->isNone())

- return 0;

- RefPtr<Range> range(selection()->toRange());

- Position pos = range->editingStartPosition();

- Element *elem = pos.element();

- if (!elem)

- return 0;

- RefPtr<Element> styleElement = elem;

- ExceptionCode ec = 0;

- if (d->m_typingStyle) {

- styleElement = document()->createElementNS(xhtmlNamespaceURI, "span", ec);

- ASSERT(ec == 0);

- styleElement->setAttribute(styleAttr, d->m_typingStyle->cssText().impl(), ec);

- ASSERT(ec == 0);

- styleElement->appendChild(document()->createEditingTextNode(""), ec);

- ASSERT(ec == 0);

- if (elem->renderer() && elem->renderer()->canHaveChildren()) {

- elem->appendChild(styleElement, ec);

- } else {

- Node *parent = elem->parent();

- Node *next = elem->nextSibling();

- if (next) {

- parent->insertBefore(styleElement, next, ec);

- } else {

- parent->appendChild(styleElement, ec);

- }

- ASSERT(ec == 0);

- nodeToRemove = styleElement.get();

- }

- return computedStyle(styleElement.release());

-void Frame::textFieldDidBeginEditing(Element* e)

- if (editor()->client())

- editor()->client()->textFieldDidBeginEditing(e);

-void Frame::textFieldDidEndEditing(Element* e)

- if (editor()->client())

- editor()->client()->textFieldDidEndEditing(e);

-void Frame::textDidChangeInTextField(Element* e)

- if (editor()->client())

- editor()->client()->textDidChangeInTextField(e);

-bool Frame::doTextFieldCommandFromEvent(Element* e, KeyboardEvent* ke)

- if (editor()->client())

- return editor()->client()->doTextFieldCommandFromEvent(e, ke);

- return false;

-void Frame::textWillBeDeletedInTextField(Element* input)

- if (editor()->client())

- editor()->client()->textWillBeDeletedInTextField(input);

-void Frame::textDidChangeInTextArea(Element* e)

- if (editor()->client())

- editor()->client()->textDidChangeInTextArea(e);

-void Frame::applyEditingStyleToBodyElement() const

- if (!d->m_doc)

- return;

- RefPtr<NodeList> list = d->m_doc->getElementsByTagName("body");

- unsigned len = list->length();

- for (unsigned i = 0; i < len; i++) {

- applyEditingStyleToElement(static_cast<Element*>(list->item(i)));

- }

-void Frame::removeEditingStyleFromBodyElement() const

- if (!d->m_doc)

- return;

- RefPtr<NodeList> list = d->m_doc->getElementsByTagName("body");

- unsigned len = list->length();

- for (unsigned i = 0; i < len; i++) {

- removeEditingStyleFromElement(static_cast<Element*>(list->item(i)));

- }

-void Frame::applyEditingStyleToElement(Element* element) const

- if (!element)

- return;

- CSSStyleDeclaration* style = element->style();

- ASSERT(style);

- ExceptionCode ec = 0;

- style->setProperty(CSSPropertyWordWrap, "break-word", false, ec);

- ASSERT(ec == 0);

- style->setProperty(CSSPropertyWebkitNbspMode, "space", false, ec);

- ASSERT(ec == 0);

- style->setProperty(CSSPropertyWebkitLineBreak, "after-white-space", false, ec);

- ASSERT(ec == 0);

-void Frame::removeEditingStyleFromElement(Element*) const

-#ifndef NDEBUG

-static HashSet<Frame*>& keepAliveSet()

- static HashSet<Frame*> staticKeepAliveSet;

- return staticKeepAliveSet;

-#endif

-void Frame::keepAlive()

- if (d->m_lifeSupportTimer.isActive())

- return;

-#ifndef NDEBUG

- keepAliveSet().add(this);

-#endif

- ref();

- d->m_lifeSupportTimer.startOneShot(0);

-#ifndef NDEBUG

-void Frame::cancelAllKeepAlive()

- HashSet<Frame*>::iterator end = keepAliveSet().end();

- for (HashSet<Frame*>::iterator it = keepAliveSet().begin(); it != end; ++it) {

- Frame* frame = *it;

- frame->d->m_lifeSupportTimer.stop();

- frame->deref();

- }

- keepAliveSet().clear();

-#endif

-void Frame::lifeSupportTimerFired(Timer<Frame>*)

-#ifndef NDEBUG

- keepAliveSet().remove(this);

-#endif

- deref();

-void Frame::clearDOMWindow()

- if (d->m_domWindow) {

- d->m_liveFormerWindows.add(d->m_domWindow.get());

- d->m_domWindow->clear();

- }

- d->m_script.clearPluginObjects();

-RenderView* Frame::contentRenderer() const

- Document* doc = document();

- if (!doc)

- return 0;

- RenderObject* object = doc->renderer();

- if (!object)

- return 0;

- ASSERT(object->isRenderView());

- return static_cast<RenderView*>(object);

-HTMLFrameOwnerElement* Frame::ownerElement() const

- return d->m_ownerElement;

-RenderPart* Frame::ownerRenderer() const

- HTMLFrameOwnerElement* ownerElement = d->m_ownerElement;

- if (!ownerElement)

- return 0;

- RenderObject* object = ownerElement->renderer();

- if (!object)

- return 0;

- // FIXME: If <object> is ever fixed to disassociate itself from frames

- // that it has started but canceled, then this can turn into an ASSERT

- // since d->m_ownerElement would be 0 when the load is canceled.

- // https://bugs.webkit.org/show_bug.cgi?id=18585

- if (!object->isRenderPart())

- return 0;

- return static_cast<RenderPart*>(object);

-bool Frame::isDisconnected() const

- return d->m_isDisconnected;

-void Frame::setIsDisconnected(bool isDisconnected)

- d->m_isDisconnected = isDisconnected;

-bool Frame::excludeFromTextSearch() const

- return d->m_excludeFromTextSearch;

-void Frame::setExcludeFromTextSearch(bool exclude)

- d->m_excludeFromTextSearch = exclude;

-// returns FloatRect because going through IntRect would truncate any floats

-FloatRect Frame::selectionRect(bool clipToVisibleContent) const

- RenderView* root = contentRenderer();

- if (!root)

- return IntRect();

- IntRect selectionRect = root->selectionRect(clipToVisibleContent);

- return clipToVisibleContent ? intersection(selectionRect, d->m_view->visibleContentRect()) : selectionRect;

-void Frame::selectionTextRects(Vector<FloatRect>& rects, bool clipToVisibleContent) const

- RenderView* root = contentRenderer();

- if (!root)

- return;

- RefPtr<Range> selectedRange = selection()->toRange();

- Vector<IntRect> intRects;

- selectedRange->addLineBoxRects(intRects, true);

- unsigned size = intRects.size();

- FloatRect visibleContentRect = d->m_view->visibleContentRect();

- for (unsigned i = 0; i < size; ++i)

- if (clipToVisibleContent)

- rects.append(intersection(intRects[i], visibleContentRect));

- else

- rects.append(intRects[i]);

-bool Frame::isFrameSet() const

- Document* document = d->m_doc.get();

- if (!document || !document->isHTMLDocument())

- return false;

- Node *body = static_cast<HTMLDocument*>(document)->body();

- return body && body->renderer() && body->hasTagName(framesetTag);

-// Scans logically forward from "start", including any child frames

-static HTMLFormElement *scanForForm(Node *start)

- Node *n;

- for (n = start; n; n = n->traverseNextNode()) {

- if (n->hasTagName(formTag))

- return static_cast<HTMLFormElement*>(n);

- else if (n->isHTMLElement() && static_cast<HTMLElement*>(n)->isGenericFormElement())

- return static_cast<HTMLFormControlElement*>(n)->form();

- else if (n->hasTagName(frameTag) || n->hasTagName(iframeTag)) {

- Node *childDoc = static_cast<HTMLFrameElementBase*>(n)->contentDocument();

- if (HTMLFormElement *frameResult = scanForForm(childDoc))

- return frameResult;

- }

- return 0;

-// We look for either the form containing the current focus, or for one immediately after it

-HTMLFormElement *Frame::currentForm() const

- // start looking either at the active (first responder) node, or where the selection is

- Node *start = d->m_doc ? d->m_doc->focusedNode() : 0;

- if (!start)

- start = selection()->start().node();

- // try walking up the node tree to find a form element

- Node *n;

- for (n = start; n; n = n->parentNode()) {

- if (n->hasTagName(formTag))

- return static_cast<HTMLFormElement*>(n);

- else if (n->isHTMLElement()

- && static_cast<HTMLElement*>(n)->isGenericFormElement())

- return static_cast<HTMLFormControlElement*>(n)->form();

- }

- // try walking forward in the node tree to find a form element

- return start ? scanForForm(start) : 0;

-// FIXME: should this go in SelectionController?

-void Frame::revealSelection(const RenderLayer::ScrollAlignment& alignment) const

- IntRect rect;

- switch (selection()->state()) {

- case Selection::NONE:

- return;

- case Selection::CARET:

- rect = selection()->caretRect();

- break;

- case Selection::RANGE:

- rect = enclosingIntRect(selectionRect(false));

- break;

- }

- Position start = selection()->start();

- ASSERT(start.node());

- if (start.node() && start.node()->renderer()) {

- // FIXME: This code only handles scrolling the startContainer's layer, but

- // the selection rect could intersect more than just that.

- // See <rdar://problem/4799899>.

- if (RenderLayer *layer = start.node()->renderer()->enclosingLayer())

- layer->scrollRectToVisible(rect, false, alignment, alignment);

- }

-void Frame::revealCaret(const RenderLayer::ScrollAlignment& alignment) const

- if (selection()->isNone())

- return;

- Position extent = selection()->extent();

- if (extent.node() && extent.node()->renderer()) {

- IntRect extentRect = VisiblePosition(extent).caretRect();

- RenderLayer* layer = extent.node()->renderer()->enclosingLayer();

- if (layer)

- layer->scrollRectToVisible(extentRect, false, alignment, alignment);

- }

-// FIXME: why is this here instead of on the FrameView?

-void Frame::paint(GraphicsContext* p, const IntRect& rect)

-#ifndef NDEBUG

- bool fillWithRed;

- if (!document() || document()->printing())

- fillWithRed = false; // Printing, don't fill with red (can't remember why).

- else if (document()->ownerElement())

- fillWithRed = false; // Subframe, don't fill with red.

- else if (view() && view()->isTransparent())

- fillWithRed = false; // Transparent, don't fill with red.

- else if (d->m_paintRestriction == PaintRestrictionSelectionOnly || d->m_paintRestriction == PaintRestrictionSelectionOnlyBlackText)

- fillWithRed = false; // Selections are transparent, don't fill with red.

- else if (d->m_elementToDraw)

- fillWithRed = false; // Element images are transparent, don't fill with red.

- else

- fillWithRed = true;

- if (fillWithRed)

- p->fillRect(rect, Color(0xFF, 0, 0));

-#endif

- bool isTopLevelPainter = !s_currentPaintTimeStamp;

- if (isTopLevelPainter)

- s_currentPaintTimeStamp = currentTime();

- if (contentRenderer()) {

- ASSERT(d->m_view && !d->m_view->needsLayout());

- ASSERT(!d->m_isPainting);

- d->m_isPainting = true;

- // d->m_elementToDraw is used to draw only one element

- RenderObject* eltRenderer = d->m_elementToDraw ? d->m_elementToDraw->renderer() : 0;

- if (d->m_paintRestriction == PaintRestrictionNone)

- document()->invalidateRenderedRectsForMarkersInRect(rect);

- contentRenderer()->layer()->paint(p, rect, d->m_paintRestriction, eltRenderer);

- d->m_isPainting = false;

-#if ENABLE(DASHBOARD_SUPPORT)

- // Regions may have changed as a result of the visibility/z-index of element changing.

- if (document()->dashboardRegionsDirty())

- view()->updateDashboardRegions();

-#endif

- } else

- LOG_ERROR("called Frame::paint with nil renderer");

- if (isTopLevelPainter)

- s_currentPaintTimeStamp = 0;

-void Frame::setPaintRestriction(PaintRestriction pr)

- d->m_paintRestriction = pr;

-bool Frame::isPainting() const

- return d->m_isPainting;

-void Frame::adjustPageHeight(float *newBottom, float oldTop, float oldBottom, float bottomLimit)

- RenderView* root = contentRenderer();

- if (root) {

- // Use a context with painting disabled.

- GraphicsContext context((PlatformGraphicsContext*)0);

- root->setTruncatedAt((int)floorf(oldBottom));

- IntRect dirtyRect(0, (int)floorf(oldTop), root->docWidth(), (int)ceilf(oldBottom - oldTop));

- root->layer()->paint(&context, dirtyRect);

- *newBottom = root->bestTruncatedAt();

- if (*newBottom == 0)

- *newBottom = oldBottom;

- } else

- *newBottom = oldBottom;

-Frame* Frame::frameForWidget(const Widget* widget)

- ASSERT_ARG(widget, widget);

- if (RenderWidget* renderer = RenderWidget::find(widget))

- if (Node* node = renderer->node())

- return node->document()->frame();

- // Assume all widgets are either a FrameView or owned by a RenderWidget.

- // FIXME: That assumption is not right for scroll bars!

- ASSERT(widget->isFrameView());

- return static_cast<const FrameView*>(widget)->frame();

-void Frame::forceLayout(bool allowSubtree)

- FrameView *v = d->m_view.get();

- if (v) {

- v->layout(allowSubtree);

- // We cannot unschedule a pending relayout, since the force can be called with

- // a tiny rectangle from a drawRect update. By unscheduling we in effect

- // "validate" and stop the necessary full repaint from occurring. Basically any basic

- // append/remove DHTML is broken by this call. For now, I have removed the optimization

- // until we have a better invalidation stategy. -dwh

- //v->unscheduleRelayout();

- }

-void Frame::forceLayoutWithPageWidthRange(float minPageWidth, float maxPageWidth, bool adjustViewSize)

- // Dumping externalRepresentation(m_frame->renderer()).ascii() is a good trick to see

- // the state of things before and after the layout

- RenderView *root = static_cast<RenderView*>(document()->renderer());

- if (root) {

- // This magic is basically copied from khtmlview::print

- int pageW = (int)ceilf(minPageWidth);

- root->setWidth(pageW);

- root->setNeedsLayoutAndPrefWidthsRecalc();

- forceLayout();

- // If we don't fit in the minimum page width, we'll lay out again. If we don't fit in the

- // maximum page width, we will lay out to the maximum page width and clip extra content.

- // FIXME: We are assuming a shrink-to-fit printing implementation. A cropping

- // implementation should not do this!

- int rightmostPos = root->rightmostPosition();

- if (rightmostPos > minPageWidth) {

- pageW = min(rightmostPos, (int)ceilf(maxPageWidth));

- root->setWidth(pageW);

- root->setNeedsLayoutAndPrefWidthsRecalc();

- forceLayout();

- }

- if (adjustViewSize && view())

- view()->adjustViewSize();

-void Frame::sendResizeEvent()

- if (Document* doc = document())

- doc->dispatchWindowEvent(EventNames::resizeEvent, false, false);

-void Frame::sendScrollEvent()

- FrameView* v = d->m_view.get();

- if (!v)

- return;

- v->setWasScrolledByUser(true);

- Document* doc = document();

- if (!doc)

- return;

- doc->dispatchHTMLEvent(scrollEvent, true, false);

-void Frame::clearTimers(FrameView *view, Document *document)

- if (view) {

- view->unscheduleRelayout();

- if (view->frame()) {

- if (document && document->renderer() && document->renderer()->hasLayer())

- document->renderer()->layer()->suspendMarquees();

- view->frame()->animation()->suspendAnimations(document);

- view->frame()->eventHandler()->stopAutoscrollTimer();

- }

-void Frame::clearTimers()

- clearTimers(d->m_view.get(), document());

-RenderStyle *Frame::styleForSelectionStart(Node *&nodeToRemove) const

- nodeToRemove = 0;

- if (!document())

- return 0;

- if (selection()->isNone())

- return 0;

- Position pos = selection()->selection().visibleStart().deepEquivalent();

- if (!pos.isCandidate())

- return 0;

- Node *node = pos.node();

- if (!node)

- return 0;

- if (!d->m_typingStyle)

- return node->renderer()->style();

- ExceptionCode ec = 0;

- RefPtr<Element> styleElement = document()->createElementNS(xhtmlNamespaceURI, "span", ec);

- ASSERT(ec == 0);

- String styleText = d->m_typingStyle->cssText() + " display: inline";

- styleElement->setAttribute(styleAttr, styleText.impl(), ec);

- ASSERT(ec == 0);

- styleElement->appendChild(document()->createEditingTextNode(""), ec);

- ASSERT(ec == 0);

- node->parentNode()->appendChild(styleElement, ec);

- ASSERT(ec == 0);

- nodeToRemove = styleElement.get();

- return styleElement->renderer() ? styleElement->renderer()->style() : 0;

-void Frame::setSelectionFromNone()

- // Put a caret inside the body if the entire frame is editable (either the

- // entire WebView is editable or designMode is on for this document).

- Document *doc = document();

- if (!doc || !selection()->isNone() || !isContentEditable())

- return;

- Node* node = doc->documentElement();

- while (node && !node->hasTagName(bodyTag))

- node = node->traverseNextNode();

- if (node)

- selection()->setSelection(Selection(Position(node, 0), DOWNSTREAM));

-bool Frame::inViewSourceMode() const

- return d->m_inViewSourceMode;

-void Frame::setInViewSourceMode(bool mode) const

- d->m_inViewSourceMode = mode;

-UChar Frame::backslashAsCurrencySymbol() const

- Document *doc = document();

- if (!doc)

- return '\\';

- TextResourceDecoder *decoder = doc->decoder();

- if (!decoder)

- return '\\';

- return decoder->encoding().backslashAsCurrencySymbol();

-// Searches from the beginning of the document if nothing is selected.

-bool Frame::findString(const String& target, bool forward, bool caseFlag, bool wrapFlag, bool startInSelection)

- if (target.isEmpty() || !document())

- return false;

- if (excludeFromTextSearch())

- return false;

- // Start from an edge of the selection, if there's a selection that's not in shadow content. Which edge

- // is used depends on whether we're searching forward or backward, and whether startInSelection is set.

- RefPtr<Range> searchRange(rangeOfContents(document()));

- Selection selection = this->selection()->selection();

- if (forward)

- setStart(searchRange.get(), startInSelection ? selection.visibleStart() : selection.visibleEnd());

- else

- setEnd(searchRange.get(), startInSelection ? selection.visibleEnd() : selection.visibleStart());

- Node* shadowTreeRoot = selection.shadowTreeRootNode();

- if (shadowTreeRoot) {

- ExceptionCode ec = 0;

- if (forward)

- searchRange->setEnd(shadowTreeRoot, shadowTreeRoot->childNodeCount(), ec);

- else

- searchRange->setStart(shadowTreeRoot, 0, ec);

- }

- RefPtr<Range> resultRange(findPlainText(searchRange.get(), target, forward, caseFlag));

- // If we started in the selection and the found range exactly matches the existing selection, find again.

- // Build a selection with the found range to remove collapsed whitespace.

- // Compare ranges instead of selection objects to ignore the way that the current selection was made.

- if (startInSelection && *Selection(resultRange.get()).toRange() == *selection.toRange()) {

- searchRange = rangeOfContents(document());

- if (forward)

- setStart(searchRange.get(), selection.visibleEnd());

- else

- setEnd(searchRange.get(), selection.visibleStart());

- if (shadowTreeRoot) {

- ExceptionCode ec = 0;

- if (forward)

- searchRange->setEnd(shadowTreeRoot, shadowTreeRoot->childNodeCount(), ec);

- else

- searchRange->setStart(shadowTreeRoot, 0, ec);

- }

- resultRange = findPlainText(searchRange.get(), target, forward, caseFlag);

- }

- ExceptionCode exception = 0;

- // If nothing was found in the shadow tree, search in main content following the shadow tree.

- if (resultRange->collapsed(exception) && shadowTreeRoot) {

- searchRange = rangeOfContents(document());

- if (forward)

- searchRange->setStartAfter(shadowTreeRoot->shadowParentNode(), exception);

- else

- searchRange->setEndBefore(shadowTreeRoot->shadowParentNode(), exception);

- resultRange = findPlainText(searchRange.get(), target, forward, caseFlag);

- }

- if (!editor()->insideVisibleArea(resultRange.get())) {

- resultRange = editor()->nextVisibleRange(resultRange.get(), target, forward, caseFlag, wrapFlag);

- if (!resultRange)

- return false;

- }

- // If we didn't find anything and we're wrapping, search again in the entire document (this will

- // redundantly re-search the area already searched in some cases).

- if (resultRange->collapsed(exception) && wrapFlag) {

- searchRange = rangeOfContents(document());

- resultRange = findPlainText(searchRange.get(), target, forward, caseFlag);

- // We used to return false here if we ended up with the same range that we started with

- // (e.g., the selection was already the only instance of this text). But we decided that

- // this should be a success case instead, so we'll just fall through in that case.

- }

- if (resultRange->collapsed(exception))

- return false;

- this->selection()->setSelection(Selection(resultRange.get(), DOWNSTREAM));

- revealSelection();

- return true;

-unsigned Frame::markAllMatchesForText(const String& target, bool caseFlag, unsigned limit)

- if (target.isEmpty() || !document())

- return 0;

- RefPtr<Range> searchRange(rangeOfContents(document()));

- ExceptionCode exception = 0;

- unsigned matchCount = 0;

- do {

- RefPtr<Range> resultRange(findPlainText(searchRange.get(), target, true, caseFlag));

- if (resultRange->collapsed(exception)) {

- if (!resultRange->startContainer()->isInShadowTree())

- break;

- searchRange = rangeOfContents(document());

- searchRange->setStartAfter(resultRange->startContainer()->shadowAncestorNode(), exception);

- continue;

- }

- // A non-collapsed result range can in some funky whitespace cases still not

- // advance the range's start position (4509328). Break to avoid infinite loop.

- VisiblePosition newStart = endVisiblePosition(resultRange.get(), DOWNSTREAM);

- if (newStart == startVisiblePosition(searchRange.get(), DOWNSTREAM))

- break;

- // Only treat the result as a match if it is visible

- if (editor()->insideVisibleArea(resultRange.get())) {

- ++matchCount;

- document()->addMarker(resultRange.get(), DocumentMarker::TextMatch);

- }

- // Stop looking if we hit the specified limit. A limit of 0 means no limit.

- if (limit > 0 && matchCount >= limit)

- break;

- setStart(searchRange.get(), newStart);

- Node* shadowTreeRoot = searchRange->shadowTreeRootNode();

- if (searchRange->collapsed(exception) && shadowTreeRoot)

- searchRange->setEnd(shadowTreeRoot, shadowTreeRoot->childNodeCount(), exception);

- } while (true);

- // Do a "fake" paint in order to execute the code that computes the rendered rect for

- // each text match.

- Document* doc = document();

- if (doc && d->m_view && contentRenderer()) {

- doc->updateLayout(); // Ensure layout is up to date.

- IntRect visibleRect(enclosingIntRect(d->m_view->visibleContentRect()));

- if (!visibleRect.isEmpty()) {

- GraphicsContext context((PlatformGraphicsContext*)0);

- context.setPaintingDisabled(true);

- paint(&context, visibleRect);

- }

- return matchCount;

-bool Frame::markedTextMatchesAreHighlighted() const

- return d->m_highlightTextMatches;

-void Frame::setMarkedTextMatchesAreHighlighted(bool flag)

- if (flag == d->m_highlightTextMatches || !document())

- return;

- d->m_highlightTextMatches = flag;

- document()->repaintMarkers(DocumentMarker::TextMatch);

-FrameTree* Frame::tree() const

- return &d->m_treeNode;

-DOMWindow* Frame::domWindow() const

- if (!d->m_domWindow)

- d->m_domWindow = DOMWindow::create(const_cast<Frame*>(this));

- return d->m_domWindow.get();

-void Frame::clearFormerDOMWindow(DOMWindow* window)

- d->m_liveFormerWindows.remove(window);

-Page* Frame::page() const

- return d->m_page;

-EventHandler* Frame::eventHandler() const

- return &d->m_eventHandler;

-void Frame::pageDestroyed()

- if (Frame* parent = tree()->parent())

- parent->loader()->checkLoadComplete();

- // FIXME: It's unclear as to why this is called more than once, but it is,

- // so page() could be NULL.

- if (page() && page()->focusController()->focusedFrame() == this)

- page()->focusController()->setFocusedFrame(0);

- // This will stop any JS timers

- script()->disconnectFrame();

- script()->clearScriptObjects();

- d->m_page = 0;

-void Frame::disconnectOwnerElement()

- if (d->m_ownerElement) {

- if (Document* doc = document())

- doc->clearAXObjectCache();

- d->m_ownerElement->m_contentFrame = 0;

- if (d->m_page)

- d->m_page->decrementFrameCount();

- }

- d->m_ownerElement = 0;

-String Frame::documentTypeString() const

- if (Document* doc = document()) {

- if (DocumentType* doctype = doc->doctype())

- return createMarkup(doctype);

- }

- return String();

-bool Frame::prohibitsScrolling() const

- return d->m_prohibitsScrolling;

-void Frame::setProhibitsScrolling(bool prohibit)

- d->m_prohibitsScrolling = prohibit;

-void Frame::focusWindow()

- if (!page())

- return;

- // If we're a top level window, bring the window to the front.

- if (!tree()->parent())

- page()->chrome()->focus();

- eventHandler()->focusDocumentView();

-void Frame::unfocusWindow()

- if (!page())

- return;

- // If we're a top level window, deactivate the window.

- if (!tree()->parent())

- page()->chrome()->unfocus();

-bool Frame::shouldClose()

- Chrome* chrome = page() ? page()->chrome() : 0;

- if (!chrome || !chrome->canRunBeforeUnloadConfirmPanel())

- return true;

- RefPtr<Document> doc = document();

- if (!doc)

- return true;

- HTMLElement* body = doc->body();

- if (!body)

- return true;

- loader()->setFiringUnloadEvents(true);

- RefPtr<BeforeUnloadEvent> beforeUnloadEvent = BeforeUnloadEvent::create();

- beforeUnloadEvent->setTarget(doc);

- doc->handleWindowEvent(beforeUnloadEvent.get(), false);

- if (!beforeUnloadEvent->defaultPrevented() && doc)

- doc->defaultEventHandler(beforeUnloadEvent.get());

- loader()->setFiringUnloadEvents(false);

- if (beforeUnloadEvent->result().isNull())

- return true;

- String text = beforeUnloadEvent->result();

- text.replace('\\', backslashAsCurrencySymbol());

- return chrome->runBeforeUnloadConfirmPanel(text, this);

-void Frame::scheduleClose()

- if (!shouldClose())

- return;

- Chrome* chrome = page() ? page()->chrome() : 0;

- if (chrome)

- chrome->closeWindowSoon();

-void Frame::respondToChangedSelection(const Selection& oldSelection, bool closeTyping)

- if (document()) {

- bool isContinuousSpellCheckingEnabled = editor()->isContinuousSpellCheckingEnabled();

- bool isContinuousGrammarCheckingEnabled = isContinuousSpellCheckingEnabled && editor()->isGrammarCheckingEnabled();

- if (isContinuousSpellCheckingEnabled) {

- Selection newAdjacentWords;

- Selection newSelectedSentence;

- if (selection()->selection().isContentEditable()) {

- VisiblePosition newStart(selection()->selection().visibleStart());

- newAdjacentWords = Selection(startOfWord(newStart, LeftWordIfOnBoundary), endOfWord(newStart, RightWordIfOnBoundary));

- if (isContinuousGrammarCheckingEnabled)

- newSelectedSentence = Selection(startOfSentence(newStart), endOfSentence(newStart));

- }

- // When typing we check spelling elsewhere, so don't redo it here.

- // If this is a change in selection resulting from a delete operation,

- // oldSelection may no longer be in the document.

- if (closeTyping && oldSelection.isContentEditable() && oldSelection.start().node() && oldSelection.start().node()->inDocument()) {

- VisiblePosition oldStart(oldSelection.visibleStart());

- Selection oldAdjacentWords = Selection(startOfWord(oldStart, LeftWordIfOnBoundary), endOfWord(oldStart, RightWordIfOnBoundary));

- if (oldAdjacentWords != newAdjacentWords) {

- editor()->markMisspellings(oldAdjacentWords);

- if (isContinuousGrammarCheckingEnabled) {

- Selection oldSelectedSentence = Selection(startOfSentence(oldStart), endOfSentence(oldStart));

- if (oldSelectedSentence != newSelectedSentence)

- editor()->markBadGrammar(oldSelectedSentence);

- }

- // This only erases markers that are in the first unit (word or sentence) of the selection.

- // Perhaps peculiar, but it matches AppKit.

- if (RefPtr<Range> wordRange = newAdjacentWords.toRange())

- document()->removeMarkers(wordRange.get(), DocumentMarker::Spelling);

- if (RefPtr<Range> sentenceRange = newSelectedSentence.toRange())

- document()->removeMarkers(sentenceRange.get(), DocumentMarker::Grammar);

- }

- // When continuous spell checking is off, existing markers disappear after the selection changes.

- if (!isContinuousSpellCheckingEnabled)

- document()->removeMarkers(DocumentMarker::Spelling);

- if (!isContinuousGrammarCheckingEnabled)

- document()->removeMarkers(DocumentMarker::Grammar);

- }

- editor()->respondToChangedSelection(oldSelection);

-VisiblePosition Frame::visiblePositionForPoint(const IntPoint& framePoint)

- HitTestResult result = eventHandler()->hitTestResultAtPoint(framePoint, true);

- Node* node = result.innerNode();

- if (!node)

- return VisiblePosition();

- RenderObject* renderer = node->renderer();

- if (!renderer)

- return VisiblePosition();

- VisiblePosition visiblePos = renderer->positionForCoordinates(result.localPoint().x(), result.localPoint().y());

- if (visiblePos.isNull())

- visiblePos = VisiblePosition(Position(node, 0));

- return visiblePos;

-Document* Frame::documentAtPoint(const IntPoint& point)

- if (!view())

- return 0;

- IntPoint pt = view()->windowToContents(point);

- HitTestResult result = HitTestResult(pt);

- if (contentRenderer())

- result = eventHandler()->hitTestResultAtPoint(pt, false);

- return result.innerNode() ? result.innerNode()->document() : 0;

-FramePrivate::FramePrivate(Page* page, Frame* parent, Frame* thisFrame, HTMLFrameOwnerElement* ownerElement,

- FrameLoaderClient* frameLoaderClient)

- : m_page(page)

- , m_treeNode(thisFrame, parent)

- , m_loader(thisFrame, frameLoaderClient)

- , m_ownerElement(ownerElement)

- , m_script(thisFrame)

- , m_zoomFactor(parent ? parent->d->m_zoomFactor : 1.0f)

- , m_selectionGranularity(CharacterGranularity)

- , m_selectionController(thisFrame)

- , m_caretBlinkTimer(thisFrame, &Frame::caretBlinkTimerFired)

- , m_editor(thisFrame)

- , m_eventHandler(thisFrame)

- , m_animationController(thisFrame)

- , m_lifeSupportTimer(thisFrame, &Frame::lifeSupportTimerFired)

- , m_paintRestriction(PaintRestrictionNone)

- , m_caretVisible(false)

- , m_caretPaint(true)

- , m_isPainting(false)

- , m_highlightTextMatches(false)

- , m_inViewSourceMode(false)

- , m_prohibitsScrolling(false)

- , m_needsReapplyStyles(false)

- , m_isDisconnected(false)

- , m_excludeFromTextSearch(false)

-#if FRAME_LOADS_USER_STYLESHEET

- , m_userStyleSheetLoader(0)

-#endif

-FramePrivate::~FramePrivate()

-} // namespace WebCore

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