| Index: third_party/WebKit/WebCore/editing/ReplaceSelectionCommand.cpp
|
| ===================================================================
|
| --- third_party/WebKit/WebCore/editing/ReplaceSelectionCommand.cpp (revision 9391)
|
| +++ third_party/WebKit/WebCore/editing/ReplaceSelectionCommand.cpp (working copy)
|
| @@ -1,1062 +1,1080 @@
|
| -/*
|
| - * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
|
| - *
|
| - * Redistribution and use in source and binary forms, with or without
|
| - * modification, are permitted provided that the following conditions
|
| - * are met:
|
| - * 1. Redistributions of source code must retain the above copyright
|
| - * notice, this list of conditions and the following disclaimer.
|
| - * 2. Redistributions in binary form must reproduce the above copyright
|
| - * notice, this list of conditions and the following disclaimer in the
|
| - * documentation and/or other materials provided with the distribution.
|
| - *
|
| - * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
| - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
| - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
| - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| - */
|
| -
|
| -#include "config.h"
|
| -#include "ReplaceSelectionCommand.h"
|
| -
|
| -#include "ApplyStyleCommand.h"
|
| -#include "BeforeTextInsertedEvent.h"
|
| -#include "BreakBlockquoteCommand.h"
|
| -#include "CSSComputedStyleDeclaration.h"
|
| -#include "CSSProperty.h"
|
| -#include "CSSPropertyNames.h"
|
| -#include "CSSValueKeywords.h"
|
| -#include "Document.h"
|
| -#include "DocumentFragment.h"
|
| -#include "EditingText.h"
|
| -#include "EventNames.h"
|
| -#include "Element.h"
|
| -#include "Frame.h"
|
| -#include "HTMLElement.h"
|
| -#include "HTMLInterchange.h"
|
| -#include "HTMLInputElement.h"
|
| -#include "HTMLNames.h"
|
| -#include "SelectionController.h"
|
| -#include "SmartReplace.h"
|
| -#include "TextIterator.h"
|
| -#include "htmlediting.h"
|
| -#include "markup.h"
|
| -#include "visible_units.h"
|
| -#include <wtf/StdLibExtras.h>
|
| -
|
| -namespace WebCore {
|
| -
|
| -using namespace HTMLNames;
|
| -
|
| -enum EFragmentType { EmptyFragment, SingleTextNodeFragment, TreeFragment };
|
| -
|
| -// --- ReplacementFragment helper class
|
| -
|
| -class ReplacementFragment : Noncopyable {
|
| -public:
|
| - ReplacementFragment(Document*, DocumentFragment*, bool matchStyle, const Selection&);
|
| -
|
| - Node* firstChild() const;
|
| - Node* lastChild() const;
|
| -
|
| - bool isEmpty() const;
|
| -
|
| - bool hasInterchangeNewlineAtStart() const { return m_hasInterchangeNewlineAtStart; }
|
| - bool hasInterchangeNewlineAtEnd() const { return m_hasInterchangeNewlineAtEnd; }
|
| -
|
| - void removeNode(PassRefPtr<Node>);
|
| - void removeNodePreservingChildren(Node*);
|
| -
|
| -private:
|
| - PassRefPtr<Node> insertFragmentForTestRendering(Node* context);
|
| - void removeUnrenderedNodes(Node*);
|
| - void restoreTestRenderingNodesToFragment(Node*);
|
| - void removeInterchangeNodes(Node*);
|
| -
|
| - void insertNodeBefore(PassRefPtr<Node> node, Node* refNode);
|
| -
|
| - RefPtr<Document> m_document;
|
| - RefPtr<DocumentFragment> m_fragment;
|
| - bool m_matchStyle;
|
| - bool m_hasInterchangeNewlineAtStart;
|
| - bool m_hasInterchangeNewlineAtEnd;
|
| -};
|
| -
|
| -static bool isInterchangeNewlineNode(const Node *node)
|
| -{
|
| - DEFINE_STATIC_LOCAL(String, interchangeNewlineClassString, (AppleInterchangeNewline));
|
| - return node && node->hasTagName(brTag) &&
|
| - static_cast<const Element *>(node)->getAttribute(classAttr) == interchangeNewlineClassString;
|
| -}
|
| -
|
| -static bool isInterchangeConvertedSpaceSpan(const Node *node)
|
| -{
|
| - DEFINE_STATIC_LOCAL(String, convertedSpaceSpanClassString, (AppleConvertedSpace));
|
| - return node->isHTMLElement() &&
|
| - static_cast<const HTMLElement *>(node)->getAttribute(classAttr) == convertedSpaceSpanClassString;
|
| -}
|
| -
|
| -ReplacementFragment::ReplacementFragment(Document* document, DocumentFragment* fragment, bool matchStyle, const Selection& selection)
|
| - : m_document(document),
|
| - m_fragment(fragment),
|
| - m_matchStyle(matchStyle),
|
| - m_hasInterchangeNewlineAtStart(false),
|
| - m_hasInterchangeNewlineAtEnd(false)
|
| -{
|
| - if (!m_document)
|
| - return;
|
| - if (!m_fragment)
|
| - return;
|
| - if (!m_fragment->firstChild())
|
| - return;
|
| -
|
| - Element* editableRoot = selection.rootEditableElement();
|
| - ASSERT(editableRoot);
|
| - if (!editableRoot)
|
| - return;
|
| -
|
| - Node* shadowAncestorNode = editableRoot->shadowAncestorNode();
|
| -
|
| - if (!editableRoot->inlineEventListenerForType(eventNames().webkitBeforeTextInsertedEvent) &&
|
| - // FIXME: Remove these checks once textareas and textfields actually register an event handler.
|
| - !(shadowAncestorNode && shadowAncestorNode->renderer() && shadowAncestorNode->renderer()->isTextField()) &&
|
| - !(shadowAncestorNode && shadowAncestorNode->renderer() && shadowAncestorNode->renderer()->isTextArea()) &&
|
| - editableRoot->isContentRichlyEditable()) {
|
| - removeInterchangeNodes(m_fragment.get());
|
| - return;
|
| - }
|
| -
|
| - Node* styleNode = selection.base().node();
|
| - RefPtr<Node> holder = insertFragmentForTestRendering(styleNode);
|
| -
|
| - RefPtr<Range> range = Selection::selectionFromContentsOfNode(holder.get()).toRange();
|
| - String text = plainText(range.get());
|
| - // Give the root a chance to change the text.
|
| - RefPtr<BeforeTextInsertedEvent> evt = BeforeTextInsertedEvent::create(text);
|
| - ExceptionCode ec = 0;
|
| - editableRoot->dispatchEvent(evt, ec);
|
| - ASSERT(ec == 0);
|
| - if (text != evt->text() || !editableRoot->isContentRichlyEditable()) {
|
| - restoreTestRenderingNodesToFragment(holder.get());
|
| - removeNode(holder);
|
| -
|
| - m_fragment = createFragmentFromText(selection.toRange().get(), evt->text());
|
| - if (!m_fragment->firstChild())
|
| - return;
|
| - holder = insertFragmentForTestRendering(styleNode);
|
| - }
|
| -
|
| - removeInterchangeNodes(holder.get());
|
| -
|
| - removeUnrenderedNodes(holder.get());
|
| - restoreTestRenderingNodesToFragment(holder.get());
|
| - removeNode(holder);
|
| -}
|
| -
|
| -bool ReplacementFragment::isEmpty() const
|
| -{
|
| - return (!m_fragment || !m_fragment->firstChild()) && !m_hasInterchangeNewlineAtStart && !m_hasInterchangeNewlineAtEnd;
|
| -}
|
| -
|
| -Node *ReplacementFragment::firstChild() const
|
| -{
|
| - return m_fragment ? m_fragment->firstChild() : 0;
|
| -}
|
| -
|
| -Node *ReplacementFragment::lastChild() const
|
| -{
|
| - return m_fragment ? m_fragment->lastChild() : 0;
|
| -}
|
| -
|
| -void ReplacementFragment::removeNodePreservingChildren(Node *node)
|
| -{
|
| - if (!node)
|
| - return;
|
| -
|
| - while (RefPtr<Node> n = node->firstChild()) {
|
| - removeNode(n);
|
| - insertNodeBefore(n.release(), node);
|
| - }
|
| - removeNode(node);
|
| -}
|
| -
|
| -void ReplacementFragment::removeNode(PassRefPtr<Node> node)
|
| -{
|
| - if (!node)
|
| - return;
|
| -
|
| - Node *parent = node->parentNode();
|
| - if (!parent)
|
| - return;
|
| -
|
| - ExceptionCode ec = 0;
|
| - parent->removeChild(node.get(), ec);
|
| - ASSERT(ec == 0);
|
| -}
|
| -
|
| -void ReplacementFragment::insertNodeBefore(PassRefPtr<Node> node, Node* refNode)
|
| -{
|
| - if (!node || !refNode)
|
| - return;
|
| -
|
| - Node* parent = refNode->parentNode();
|
| - if (!parent)
|
| - return;
|
| -
|
| - ExceptionCode ec = 0;
|
| - parent->insertBefore(node, refNode, ec);
|
| - ASSERT(ec == 0);
|
| -}
|
| -
|
| -PassRefPtr<Node> ReplacementFragment::insertFragmentForTestRendering(Node* context)
|
| -{
|
| - Node* body = m_document->body();
|
| - if (!body)
|
| - return 0;
|
| -
|
| - RefPtr<StyledElement> holder = createDefaultParagraphElement(m_document.get());
|
| -
|
| - ExceptionCode ec = 0;
|
| -
|
| - // Copy the whitespace and user-select style from the context onto this element.
|
| - // FIXME: We should examine other style properties to see if they would be appropriate to consider during the test rendering.
|
| - Node* n = context;
|
| - while (n && !n->isElementNode())
|
| - n = n->parentNode();
|
| - if (n) {
|
| - RefPtr<CSSComputedStyleDeclaration> conFontStyle = computedStyle(n);
|
| - CSSStyleDeclaration* style = holder->style();
|
| - style->setProperty(CSSPropertyWhiteSpace, conFontStyle->getPropertyValue(CSSPropertyWhiteSpace), false, ec);
|
| - ASSERT(ec == 0);
|
| - style->setProperty(CSSPropertyWebkitUserSelect, conFontStyle->getPropertyValue(CSSPropertyWebkitUserSelect), false, ec);
|
| - ASSERT(ec == 0);
|
| - }
|
| -
|
| - holder->appendChild(m_fragment, ec);
|
| - ASSERT(ec == 0);
|
| -
|
| - body->appendChild(holder.get(), ec);
|
| - ASSERT(ec == 0);
|
| -
|
| - m_document->updateLayoutIgnorePendingStylesheets();
|
| -
|
| - return holder.release();
|
| -}
|
| -
|
| -void ReplacementFragment::restoreTestRenderingNodesToFragment(Node *holder)
|
| -{
|
| - if (!holder)
|
| - return;
|
| -
|
| - ExceptionCode ec = 0;
|
| - while (RefPtr<Node> node = holder->firstChild()) {
|
| - holder->removeChild(node.get(), ec);
|
| - ASSERT(ec == 0);
|
| - m_fragment->appendChild(node.get(), ec);
|
| - ASSERT(ec == 0);
|
| - }
|
| -}
|
| -
|
| -void ReplacementFragment::removeUnrenderedNodes(Node* holder)
|
| -{
|
| - Vector<Node*> unrendered;
|
| -
|
| - for (Node* node = holder->firstChild(); node; node = node->traverseNextNode(holder))
|
| - if (!isNodeRendered(node) && !isTableStructureNode(node))
|
| - unrendered.append(node);
|
| -
|
| - size_t n = unrendered.size();
|
| - for (size_t i = 0; i < n; ++i)
|
| - removeNode(unrendered[i]);
|
| -}
|
| -
|
| -void ReplacementFragment::removeInterchangeNodes(Node* container)
|
| -{
|
| - // Interchange newlines at the "start" of the incoming fragment must be
|
| - // either the first node in the fragment or the first leaf in the fragment.
|
| - Node* node = container->firstChild();
|
| - while (node) {
|
| - if (isInterchangeNewlineNode(node)) {
|
| - m_hasInterchangeNewlineAtStart = true;
|
| - removeNode(node);
|
| - break;
|
| - }
|
| - node = node->firstChild();
|
| - }
|
| - if (!container->hasChildNodes())
|
| - return;
|
| - // Interchange newlines at the "end" of the incoming fragment must be
|
| - // either the last node in the fragment or the last leaf in the fragment.
|
| - node = container->lastChild();
|
| - while (node) {
|
| - if (isInterchangeNewlineNode(node)) {
|
| - m_hasInterchangeNewlineAtEnd = true;
|
| - removeNode(node);
|
| - break;
|
| - }
|
| - node = node->lastChild();
|
| - }
|
| -
|
| - node = container->firstChild();
|
| - while (node) {
|
| - Node *next = node->traverseNextNode();
|
| - if (isInterchangeConvertedSpaceSpan(node)) {
|
| - RefPtr<Node> n = 0;
|
| - while ((n = node->firstChild())) {
|
| - removeNode(n);
|
| - insertNodeBefore(n, node);
|
| - }
|
| - removeNode(node);
|
| - if (n)
|
| - next = n->traverseNextNode();
|
| - }
|
| - node = next;
|
| - }
|
| -}
|
| -
|
| -ReplaceSelectionCommand::ReplaceSelectionCommand(Document* document, PassRefPtr<DocumentFragment> fragment,
|
| - bool selectReplacement, bool smartReplace, bool matchStyle, bool preventNesting, bool movingParagraph,
|
| - EditAction editAction)
|
| - : CompositeEditCommand(document),
|
| - m_selectReplacement(selectReplacement),
|
| - m_smartReplace(smartReplace),
|
| - m_matchStyle(matchStyle),
|
| - m_documentFragment(fragment),
|
| - m_preventNesting(preventNesting),
|
| - m_movingParagraph(movingParagraph),
|
| - m_editAction(editAction),
|
| - m_shouldMergeEnd(false)
|
| -{
|
| -}
|
| -
|
| -static bool hasMatchingQuoteLevel(VisiblePosition endOfExistingContent, VisiblePosition endOfInsertedContent)
|
| -{
|
| - Position existing = endOfExistingContent.deepEquivalent();
|
| - Position inserted = endOfInsertedContent.deepEquivalent();
|
| - bool isInsideMailBlockquote = nearestMailBlockquote(inserted.node());
|
| - return isInsideMailBlockquote && (numEnclosingMailBlockquotes(existing) == numEnclosingMailBlockquotes(inserted));
|
| -}
|
| -
|
| -bool ReplaceSelectionCommand::shouldMergeStart(bool selectionStartWasStartOfParagraph, bool fragmentHasInterchangeNewlineAtStart)
|
| -{
|
| - VisiblePosition startOfInsertedContent(positionAtStartOfInsertedContent());
|
| - VisiblePosition prev = startOfInsertedContent.previous(true);
|
| - if (prev.isNull())
|
| - return false;
|
| -
|
| - if (!m_movingParagraph && hasMatchingQuoteLevel(prev, positionAtEndOfInsertedContent()))
|
| - return true;
|
| -
|
| - return !selectionStartWasStartOfParagraph &&
|
| - !fragmentHasInterchangeNewlineAtStart &&
|
| - isStartOfParagraph(startOfInsertedContent) &&
|
| - !startOfInsertedContent.deepEquivalent().node()->hasTagName(brTag) &&
|
| - shouldMerge(startOfInsertedContent, prev);
|
| -}
|
| -
|
| -bool ReplaceSelectionCommand::shouldMergeEnd(bool selectionEndWasEndOfParagraph)
|
| -{
|
| - VisiblePosition endOfInsertedContent(positionAtEndOfInsertedContent());
|
| - VisiblePosition next = endOfInsertedContent.next(true);
|
| - if (next.isNull())
|
| - return false;
|
| -
|
| - return !selectionEndWasEndOfParagraph &&
|
| - isEndOfParagraph(endOfInsertedContent) &&
|
| - !endOfInsertedContent.deepEquivalent().node()->hasTagName(brTag) &&
|
| - shouldMerge(endOfInsertedContent, next);
|
| -}
|
| -
|
| -static bool isMailPasteAsQuotationNode(const Node* node)
|
| -{
|
| - return node && node->hasTagName(blockquoteTag) && node->isElementNode() && static_cast<const Element*>(node)->getAttribute(classAttr) == ApplePasteAsQuotation;
|
| -}
|
| -
|
| -// Wrap CompositeEditCommand::removeNodePreservingChildren() so we can update the nodes we track
|
| -void ReplaceSelectionCommand::removeNodePreservingChildren(Node* node)
|
| -{
|
| - if (m_firstNodeInserted == node)
|
| - m_firstNodeInserted = node->traverseNextNode();
|
| - if (m_lastLeafInserted == node)
|
| - m_lastLeafInserted = node->lastChild() ? node->lastChild() : node->traverseNextSibling();
|
| - CompositeEditCommand::removeNodePreservingChildren(node);
|
| -}
|
| -
|
| -// Wrap CompositeEditCommand::removeNodeAndPruneAncestors() so we can update the nodes we track
|
| -void ReplaceSelectionCommand::removeNodeAndPruneAncestors(Node* node)
|
| -{
|
| - // prepare in case m_firstNodeInserted and/or m_lastLeafInserted get removed
|
| - // FIXME: shouldn't m_lastLeafInserted be adjusted using traversePreviousNode()?
|
| - Node* afterFirst = m_firstNodeInserted ? m_firstNodeInserted->traverseNextSibling() : 0;
|
| - Node* afterLast = m_lastLeafInserted ? m_lastLeafInserted->traverseNextSibling() : 0;
|
| -
|
| - CompositeEditCommand::removeNodeAndPruneAncestors(node);
|
| -
|
| - // adjust m_firstNodeInserted and m_lastLeafInserted since either or both may have been removed
|
| - if (m_lastLeafInserted && !m_lastLeafInserted->inDocument())
|
| - m_lastLeafInserted = afterLast;
|
| - if (m_firstNodeInserted && !m_firstNodeInserted->inDocument())
|
| - m_firstNodeInserted = m_lastLeafInserted && m_lastLeafInserted->inDocument() ? afterFirst : 0;
|
| -}
|
| -
|
| -bool ReplaceSelectionCommand::shouldMerge(const VisiblePosition& source, const VisiblePosition& destination)
|
| -{
|
| - if (source.isNull() || destination.isNull())
|
| - return false;
|
| -
|
| - Node* sourceNode = source.deepEquivalent().node();
|
| - Node* destinationNode = destination.deepEquivalent().node();
|
| - Node* sourceBlock = enclosingBlock(sourceNode);
|
| - return !enclosingNodeOfType(source.deepEquivalent(), &isMailPasteAsQuotationNode) &&
|
| - sourceBlock && (!sourceBlock->hasTagName(blockquoteTag) || isMailBlockquote(sourceBlock)) &&
|
| - enclosingListChild(sourceBlock) == enclosingListChild(destinationNode) &&
|
| - enclosingTableCell(source.deepEquivalent()) == enclosingTableCell(destination.deepEquivalent()) &&
|
| - // Don't merge to or from a position before or after a block because it would
|
| - // be a no-op and cause infinite recursion.
|
| - !isBlock(sourceNode) && !isBlock(destinationNode);
|
| -}
|
| -
|
| -// Style rules that match just inserted elements could change their appearance, like
|
| -// a div inserted into a document with div { display:inline; }.
|
| -void ReplaceSelectionCommand::negateStyleRulesThatAffectAppearance()
|
| -{
|
| - for (RefPtr<Node> node = m_firstNodeInserted.get(); node; node = node->traverseNextNode()) {
|
| - // FIXME: <rdar://problem/5371536> Style rules that match pasted content can change it's appearance
|
| - if (isStyleSpan(node.get())) {
|
| - HTMLElement* e = static_cast<HTMLElement*>(node.get());
|
| - // There are other styles that style rules can give to style spans,
|
| - // but these are the two important ones because they'll prevent
|
| - // inserted content from appearing in the right paragraph.
|
| - // FIXME: Hyatt is concerned that selectively using display:inline will give inconsistent
|
| - // results. We already know one issue because td elements ignore their display property
|
| - // in quirks mode (which Mail.app is always in). We should look for an alternative.
|
| - if (isBlock(e))
|
| - e->getInlineStyleDecl()->setProperty(CSSPropertyDisplay, CSSValueInline);
|
| - if (e->renderer() && e->renderer()->style()->floating() != FNONE)
|
| - e->getInlineStyleDecl()->setProperty(CSSPropertyFloat, CSSValueNone);
|
| - }
|
| - if (node == m_lastLeafInserted)
|
| - break;
|
| - }
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::removeUnrenderedTextNodesAtEnds()
|
| -{
|
| - document()->updateLayoutIgnorePendingStylesheets();
|
| - if (!m_lastLeafInserted->renderer() &&
|
| - m_lastLeafInserted->isTextNode() &&
|
| - !enclosingNodeWithTag(Position(m_lastLeafInserted.get(), 0), selectTag) &&
|
| - !enclosingNodeWithTag(Position(m_lastLeafInserted.get(), 0), scriptTag)) {
|
| - if (m_firstNodeInserted == m_lastLeafInserted) {
|
| - removeNode(m_lastLeafInserted.get());
|
| - m_lastLeafInserted = 0;
|
| - m_firstNodeInserted = 0;
|
| - return;
|
| - }
|
| - RefPtr<Node> previous = m_lastLeafInserted->traversePreviousNode();
|
| - removeNode(m_lastLeafInserted.get());
|
| - m_lastLeafInserted = previous;
|
| - }
|
| -
|
| - // We don't have to make sure that m_firstNodeInserted isn't inside a select or script element, because
|
| - // it is a top level node in the fragment and the user can't insert into those elements.
|
| - if (!m_firstNodeInserted->renderer() &&
|
| - m_firstNodeInserted->isTextNode()) {
|
| - if (m_firstNodeInserted == m_lastLeafInserted) {
|
| - removeNode(m_firstNodeInserted.get());
|
| - m_firstNodeInserted = 0;
|
| - m_lastLeafInserted = 0;
|
| - return;
|
| - }
|
| - RefPtr<Node> next = m_firstNodeInserted->traverseNextSibling();
|
| - removeNode(m_firstNodeInserted.get());
|
| - m_firstNodeInserted = next;
|
| - }
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::handlePasteAsQuotationNode()
|
| -{
|
| - Node* node = m_firstNodeInserted.get();
|
| - if (isMailPasteAsQuotationNode(node))
|
| - removeNodeAttribute(static_cast<Element*>(node), classAttr);
|
| -}
|
| -
|
| -VisiblePosition ReplaceSelectionCommand::positionAtEndOfInsertedContent()
|
| -{
|
| - Node* lastNode = m_lastLeafInserted.get();
|
| - Node* enclosingSelect = enclosingNodeWithTag(Position(lastNode, 0), selectTag);
|
| - if (enclosingSelect)
|
| - lastNode = enclosingSelect;
|
| - return VisiblePosition(Position(lastNode, maxDeepOffset(lastNode)));
|
| -}
|
| -
|
| -VisiblePosition ReplaceSelectionCommand::positionAtStartOfInsertedContent()
|
| -{
|
| - // Return the inserted content's first VisiblePosition.
|
| - return VisiblePosition(nextCandidate(positionBeforeNode(m_firstNodeInserted.get())));
|
| -}
|
| -
|
| -// Remove style spans before insertion if they are unnecessary. It's faster because we'll
|
| -// avoid doing a layout.
|
| -static bool handleStyleSpansBeforeInsertion(ReplacementFragment& fragment, const Position& insertionPos)
|
| -{
|
| - Node* topNode = fragment.firstChild();
|
| -
|
| - // Handling this case is more complicated (see handleStyleSpans) and doesn't receive the optimization.
|
| - if (isMailPasteAsQuotationNode(topNode))
|
| - return false;
|
| -
|
| - // Either there are no style spans in the fragment or a WebKit client has added content to the fragment
|
| - // before inserting it. Look for and handle style spans after insertion.
|
| - if (!isStyleSpan(topNode))
|
| - return false;
|
| -
|
| - Node* sourceDocumentStyleSpan = topNode;
|
| - RefPtr<Node> copiedRangeStyleSpan = sourceDocumentStyleSpan->firstChild();
|
| -
|
| - RefPtr<CSSMutableStyleDeclaration> styleAtInsertionPos = rangeCompliantEquivalent(insertionPos).computedStyle()->copyInheritableProperties();
|
| - String styleText = styleAtInsertionPos->cssText();
|
| -
|
| - if (styleText == static_cast<Element*>(sourceDocumentStyleSpan)->getAttribute(styleAttr)) {
|
| - fragment.removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| - if (!isStyleSpan(copiedRangeStyleSpan.get()))
|
| - return true;
|
| - }
|
| -
|
| - if (isStyleSpan(copiedRangeStyleSpan.get()) && styleText == static_cast<Element*>(copiedRangeStyleSpan.get())->getAttribute(styleAttr)) {
|
| - fragment.removeNodePreservingChildren(copiedRangeStyleSpan.get());
|
| - return true;
|
| - }
|
| -
|
| - return false;
|
| -}
|
| -
|
| -// At copy time, WebKit wraps copied content in a span that contains the source document's
|
| -// default styles. If the copied Range inherits any other styles from its ancestors, we put
|
| -// those styles on a second span.
|
| -// This function removes redundant styles from those spans, and removes the spans if all their
|
| -// styles are redundant.
|
| -// We should remove the Apple-style-span class when we're done, see <rdar://problem/5685600>.
|
| -// We should remove styles from spans that are overridden by all of their children, either here
|
| -// or at copy time.
|
| -void ReplaceSelectionCommand::handleStyleSpans()
|
| -{
|
| - Node* sourceDocumentStyleSpan = 0;
|
| - Node* copiedRangeStyleSpan = 0;
|
| - // The style span that contains the source document's default style should be at
|
| - // the top of the fragment, but Mail sometimes adds a wrapper (for Paste As Quotation),
|
| - // so search for the top level style span instead of assuming it's at the top.
|
| - for (Node* node = m_firstNodeInserted.get(); node; node = node->traverseNextNode()) {
|
| - if (isStyleSpan(node)) {
|
| - sourceDocumentStyleSpan = node;
|
| - // If the copied Range's common ancestor had user applied inheritable styles
|
| - // on it, they'll be on a second style span, just below the one that holds the
|
| - // document defaults.
|
| - if (isStyleSpan(node->firstChild()))
|
| - copiedRangeStyleSpan = node->firstChild();
|
| - break;
|
| - }
|
| - }
|
| -
|
| - // There might not be any style spans if we're pasting from another application or if
|
| - // we are here because of a document.execCommand("InsertHTML", ...) call.
|
| - if (!sourceDocumentStyleSpan)
|
| - return;
|
| -
|
| - RefPtr<CSSMutableStyleDeclaration> sourceDocumentStyle = static_cast<HTMLElement*>(sourceDocumentStyleSpan)->getInlineStyleDecl()->copy();
|
| - Node* context = sourceDocumentStyleSpan->parentNode();
|
| -
|
| - // If Mail wraps the fragment with a Paste as Quotation blockquote, styles from that element are
|
| - // allowed to override those from the source document, see <rdar://problem/4930986>.
|
| - if (isMailPasteAsQuotationNode(context)) {
|
| - RefPtr<CSSMutableStyleDeclaration> blockquoteStyle = computedStyle(context)->copyInheritableProperties();
|
| - RefPtr<CSSMutableStyleDeclaration> parentStyle = computedStyle(context->parentNode())->copyInheritableProperties();
|
| - parentStyle->diff(blockquoteStyle.get());
|
| -
|
| - CSSMutableStyleDeclaration::const_iterator end = blockquoteStyle->end();
|
| - for (CSSMutableStyleDeclaration::const_iterator it = blockquoteStyle->begin(); it != end; ++it) {
|
| - const CSSProperty& property = *it;
|
| - sourceDocumentStyle->removeProperty(property.id());
|
| - }
|
| -
|
| - context = context->parentNode();
|
| - }
|
| -
|
| - RefPtr<CSSMutableStyleDeclaration> contextStyle = computedStyle(context)->copyInheritableProperties();
|
| - contextStyle->diff(sourceDocumentStyle.get());
|
| -
|
| - // Remove block properties in the span's style. This prevents properties that probably have no effect
|
| - // currently from affecting blocks later if the style is cloned for a new block element during a future
|
| - // editing operation.
|
| - // FIXME: They *can* have an effect currently if blocks beneath the style span aren't individually marked
|
| - // with block styles by the editing engine used to style them. WebKit doesn't do this, but others might.
|
| - sourceDocumentStyle->removeBlockProperties();
|
| -
|
| - // The styles on sourceDocumentStyleSpan are all redundant, and there is no copiedRangeStyleSpan
|
| - // to consider. We're finished.
|
| - if (sourceDocumentStyle->length() == 0 && !copiedRangeStyleSpan) {
|
| - removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| - return;
|
| - }
|
| -
|
| - // There are non-redundant styles on sourceDocumentStyleSpan, but there is no
|
| - // copiedRangeStyleSpan. Clear the redundant styles from sourceDocumentStyleSpan
|
| - // and return.
|
| - if (sourceDocumentStyle->length() > 0 && !copiedRangeStyleSpan) {
|
| - setNodeAttribute(static_cast<Element*>(sourceDocumentStyleSpan), styleAttr, sourceDocumentStyle->cssText());
|
| - return;
|
| - }
|
| -
|
| - RefPtr<CSSMutableStyleDeclaration> copiedRangeStyle = static_cast<HTMLElement*>(copiedRangeStyleSpan)->getInlineStyleDecl()->copy();
|
| -
|
| - // We're going to put sourceDocumentStyleSpan's non-redundant styles onto copiedRangeStyleSpan,
|
| - // as long as they aren't overridden by ones on copiedRangeStyleSpan.
|
| - sourceDocumentStyle->merge(copiedRangeStyle.get(), true);
|
| - copiedRangeStyle = sourceDocumentStyle;
|
| -
|
| - removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| -
|
| - // Remove redundant styles.
|
| - context = copiedRangeStyleSpan->parentNode();
|
| - contextStyle = computedStyle(context)->copyInheritableProperties();
|
| - contextStyle->diff(copiedRangeStyle.get());
|
| -
|
| - // See the comments above about removing block properties.
|
| - copiedRangeStyle->removeBlockProperties();
|
| -
|
| - // All the styles on copiedRangeStyleSpan are redundant, remove it.
|
| - if (copiedRangeStyle->length() == 0) {
|
| - removeNodePreservingChildren(copiedRangeStyleSpan);
|
| - return;
|
| - }
|
| -
|
| - // Clear the redundant styles from the span's style attribute.
|
| - // FIXME: If font-family:-webkit-monospace is non-redundant, then the font-size should stay, even if it
|
| - // appears redundant.
|
| - setNodeAttribute(static_cast<Element*>(copiedRangeStyleSpan), styleAttr, copiedRangeStyle->cssText());
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::mergeEndIfNeeded()
|
| -{
|
| - if (!m_shouldMergeEnd)
|
| - return;
|
| -
|
| - VisiblePosition startOfInsertedContent(positionAtStartOfInsertedContent());
|
| - VisiblePosition endOfInsertedContent(positionAtEndOfInsertedContent());
|
| -
|
| - // Bail to avoid infinite recursion.
|
| - if (m_movingParagraph) {
|
| - ASSERT_NOT_REACHED();
|
| - return;
|
| - }
|
| -
|
| - // Merging two paragraphs will destroy the moved one's block styles. Always move the end of inserted forward
|
| - // to preserve the block style of the paragraph already in the document, unless the paragraph to move would
|
| - // include the what was the start of the selection that was pasted into, so that we preserve that paragraph's
|
| - // block styles.
|
| - bool mergeForward = !(inSameParagraph(startOfInsertedContent, endOfInsertedContent) && !isStartOfParagraph(startOfInsertedContent));
|
| -
|
| - VisiblePosition destination = mergeForward ? endOfInsertedContent.next() : endOfInsertedContent;
|
| - VisiblePosition startOfParagraphToMove = mergeForward ? startOfParagraph(endOfInsertedContent) : endOfInsertedContent.next();
|
| -
|
| - moveParagraph(startOfParagraphToMove, endOfParagraph(startOfParagraphToMove), destination);
|
| - // Merging forward will remove m_lastLeafInserted from the document.
|
| - // FIXME: Maintain positions for the start and end of inserted content instead of keeping nodes. The nodes are
|
| - // only ever used to create positions where inserted content starts/ends.
|
| - if (mergeForward) {
|
| - m_lastLeafInserted = destination.previous().deepEquivalent().node();
|
| - if (!m_firstNodeInserted->inDocument())
|
| - m_firstNodeInserted = endingSelection().visibleStart().deepEquivalent().node();
|
| - }
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::doApply()
|
| -{
|
| - Selection selection = endingSelection();
|
| - ASSERT(selection.isCaretOrRange());
|
| - ASSERT(selection.start().node());
|
| - if (selection.isNone() || !selection.start().node())
|
| - return;
|
| -
|
| - bool selectionIsPlainText = !selection.isContentRichlyEditable();
|
| -
|
| - Element* currentRoot = selection.rootEditableElement();
|
| - ReplacementFragment fragment(document(), m_documentFragment.get(), m_matchStyle, selection);
|
| -
|
| - if (m_matchStyle)
|
| - m_insertionStyle = styleAtPosition(selection.start());
|
| -
|
| - VisiblePosition visibleStart = selection.visibleStart();
|
| - VisiblePosition visibleEnd = selection.visibleEnd();
|
| -
|
| - bool selectionEndWasEndOfParagraph = isEndOfParagraph(visibleEnd);
|
| - bool selectionStartWasStartOfParagraph = isStartOfParagraph(visibleStart);
|
| -
|
| - Node* startBlock = enclosingBlock(visibleStart.deepEquivalent().node());
|
| -
|
| - Position insertionPos = selection.start();
|
| - bool startIsInsideMailBlockquote = nearestMailBlockquote(insertionPos.node());
|
| -
|
| - if (selectionStartWasStartOfParagraph && selectionEndWasEndOfParagraph && !startIsInsideMailBlockquote ||
|
| - startBlock == currentRoot ||
|
| - startBlock && startBlock->renderer() && startBlock->renderer()->isListItem() ||
|
| - selectionIsPlainText)
|
| - m_preventNesting = false;
|
| -
|
| - if (selection.isRange()) {
|
| - // When the end of the selection being pasted into is at the end of a paragraph, and that selection
|
| - // spans multiple blocks, not merging may leave an empty line.
|
| - // When the start of the selection being pasted into is at the start of a block, not merging
|
| - // will leave hanging block(s).
|
| - // Merge blocks if the start of the selection was in a Mail blockquote, since we handle
|
| - // that case specially to prevent nesting.
|
| - bool mergeBlocksAfterDelete = startIsInsideMailBlockquote || isEndOfParagraph(visibleEnd) || isStartOfBlock(visibleStart);
|
| - // FIXME: We should only expand to include fully selected special elements if we are copying a
|
| - // selection and pasting it on top of itself.
|
| - deleteSelection(false, mergeBlocksAfterDelete, true, false);
|
| - visibleStart = endingSelection().visibleStart();
|
| - if (fragment.hasInterchangeNewlineAtStart()) {
|
| - if (isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart)) {
|
| - if (!isEndOfDocument(visibleStart))
|
| - setEndingSelection(visibleStart.next());
|
| - } else
|
| - insertParagraphSeparator();
|
| - }
|
| - insertionPos = endingSelection().start();
|
| - } else {
|
| - ASSERT(selection.isCaret());
|
| - if (fragment.hasInterchangeNewlineAtStart()) {
|
| - VisiblePosition next = visibleStart.next(true);
|
| - if (isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart) && next.isNotNull())
|
| - setEndingSelection(next);
|
| - else
|
| - insertParagraphSeparator();
|
| - }
|
| - // We split the current paragraph in two to avoid nesting the blocks from the fragment inside the current block.
|
| - // For example paste <div>foo</div><div>bar</div><div>baz</div> into <div>x^x</div>, where ^ is the caret.
|
| - // As long as the div styles are the same, visually you'd expect: <div>xbar</div><div>bar</div><div>bazx</div>,
|
| - // not <div>xbar<div>bar</div><div>bazx</div></div>.
|
| - // Don't do this if the selection started in a Mail blockquote.
|
| - if (m_preventNesting && !startIsInsideMailBlockquote && !isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart)) {
|
| - insertParagraphSeparator();
|
| - setEndingSelection(endingSelection().visibleStart().previous());
|
| - }
|
| - insertionPos = endingSelection().start();
|
| - }
|
| -
|
| - if (startIsInsideMailBlockquote && m_preventNesting) {
|
| - // We don't want any of the pasted content to end up nested in a Mail blockquote, so first break
|
| - // out of any surrounding Mail blockquotes.
|
| - applyCommandToComposite(BreakBlockquoteCommand::create(document()));
|
| - // This will leave a br between the split.
|
| - Node* br = endingSelection().start().node();
|
| - ASSERT(br->hasTagName(brTag));
|
| - // Insert content between the two blockquotes, but remove the br (since it was just a placeholder).
|
| - insertionPos = positionBeforeNode(br);
|
| - removeNode(br);
|
| - }
|
| -
|
| - // Inserting content could cause whitespace to collapse, e.g. inserting <div>foo</div> into hello^ world.
|
| - prepareWhitespaceAtPositionForSplit(insertionPos);
|
| -
|
| - // NOTE: This would be an incorrect usage of downstream() if downstream() were changed to mean the last position after
|
| - // p that maps to the same visible position as p (since in the case where a br is at the end of a block and collapsed
|
| - // away, there are positions after the br which map to the same visible position as [br, 0]).
|
| - Node* endBR = insertionPos.downstream().node()->hasTagName(brTag) ? insertionPos.downstream().node() : 0;
|
| - VisiblePosition originalVisPosBeforeEndBR;
|
| - if (endBR)
|
| - originalVisPosBeforeEndBR = VisiblePosition(endBR, 0, DOWNSTREAM).previous();
|
| -
|
| - startBlock = enclosingBlock(insertionPos.node());
|
| -
|
| - // Adjust insertionPos to prevent nesting.
|
| - // If the start was in a Mail blockquote, we will have already handled adjusting insertionPos above.
|
| - if (m_preventNesting && startBlock && !startIsInsideMailBlockquote) {
|
| - ASSERT(startBlock != currentRoot);
|
| - VisiblePosition visibleInsertionPos(insertionPos);
|
| - if (isEndOfBlock(visibleInsertionPos) && !(isStartOfBlock(visibleInsertionPos) && fragment.hasInterchangeNewlineAtEnd()))
|
| - insertionPos = positionAfterNode(startBlock);
|
| - else if (isStartOfBlock(visibleInsertionPos))
|
| - insertionPos = positionBeforeNode(startBlock);
|
| - }
|
| -
|
| - // Paste into run of tabs splits the tab span.
|
| - insertionPos = positionOutsideTabSpan(insertionPos);
|
| -
|
| - // Paste at start or end of link goes outside of link.
|
| - insertionPos = positionAvoidingSpecialElementBoundary(insertionPos);
|
| -
|
| - // FIXME: Can this wait until after the operation has been performed? There doesn't seem to be
|
| - // any work performed after this that queries or uses the typing style.
|
| - if (Frame* frame = document()->frame())
|
| - frame->clearTypingStyle();
|
| -
|
| - bool handledStyleSpans = handleStyleSpansBeforeInsertion(fragment, insertionPos);
|
| -
|
| - // We're finished if there is nothing to add.
|
| - if (fragment.isEmpty() || !fragment.firstChild())
|
| - return;
|
| -
|
| - // 1) Insert the content.
|
| - // 2) Remove redundant styles and style tags, this inner <b> for example: <b>foo <b>bar</b> baz</b>.
|
| - // 3) Merge the start of the added content with the content before the position being pasted into.
|
| - // 4) Do one of the following: a) expand the last br if the fragment ends with one and it collapsed,
|
| - // b) merge the last paragraph of the incoming fragment with the paragraph that contained the
|
| - // end of the selection that was pasted into, or c) handle an interchange newline at the end of the
|
| - // incoming fragment.
|
| - // 5) Add spaces for smart replace.
|
| - // 6) Select the replacement if requested, and match style if requested.
|
| -
|
| - VisiblePosition startOfInsertedContent, endOfInsertedContent;
|
| -
|
| - RefPtr<Node> refNode = fragment.firstChild();
|
| - RefPtr<Node> node = refNode->nextSibling();
|
| -
|
| - fragment.removeNode(refNode);
|
| - insertNodeAtAndUpdateNodesInserted(refNode, insertionPos);
|
| -
|
| - while (node) {
|
| - Node* next = node->nextSibling();
|
| - fragment.removeNode(node);
|
| - insertNodeAfterAndUpdateNodesInserted(node, refNode.get());
|
| - refNode = node;
|
| - node = next;
|
| - }
|
| -
|
| - removeUnrenderedTextNodesAtEnds();
|
| -
|
| - negateStyleRulesThatAffectAppearance();
|
| -
|
| - if (!handledStyleSpans)
|
| - handleStyleSpans();
|
| -
|
| - // Mutation events (bug 20161) may have already removed the inserted content
|
| - if (!m_firstNodeInserted || !m_firstNodeInserted->inDocument())
|
| - return;
|
| -
|
| - endOfInsertedContent = positionAtEndOfInsertedContent();
|
| - startOfInsertedContent = positionAtStartOfInsertedContent();
|
| -
|
| - // We inserted before the startBlock to prevent nesting, and the content before the startBlock wasn't in its own block and
|
| - // didn't have a br after it, so the inserted content ended up in the same paragraph.
|
| - if (startBlock && insertionPos.node() == startBlock->parentNode() && (unsigned)insertionPos.offset() < startBlock->nodeIndex() && !isStartOfParagraph(startOfInsertedContent))
|
| - insertNodeAt(createBreakElement(document()).get(), startOfInsertedContent.deepEquivalent());
|
| -
|
| - Position lastPositionToSelect;
|
| -
|
| - bool interchangeNewlineAtEnd = fragment.hasInterchangeNewlineAtEnd();
|
| -
|
| - if (shouldRemoveEndBR(endBR, originalVisPosBeforeEndBR))
|
| - removeNodeAndPruneAncestors(endBR);
|
| -
|
| - // Determine whether or not we should merge the end of inserted content with what's after it before we do
|
| - // the start merge so that the start merge doesn't effect our decision.
|
| - m_shouldMergeEnd = shouldMergeEnd(selectionEndWasEndOfParagraph);
|
| -
|
| - if (shouldMergeStart(selectionStartWasStartOfParagraph, fragment.hasInterchangeNewlineAtStart())) {
|
| - // Bail to avoid infinite recursion.
|
| - if (m_movingParagraph) {
|
| - // setting display:inline does not work for td elements in quirks mode
|
| - ASSERT(m_firstNodeInserted->hasTagName(tdTag));
|
| - return;
|
| - }
|
| - VisiblePosition destination = startOfInsertedContent.previous();
|
| - VisiblePosition startOfParagraphToMove = startOfInsertedContent;
|
| -
|
| - // Merging the the first paragraph of inserted content with the content that came
|
| - // before the selection that was pasted into would also move content after
|
| - // the selection that was pasted into if: only one paragraph was being pasted,
|
| - // and it was not wrapped in a block, the selection that was pasted into ended
|
| - // at the end of a block and the next paragraph didn't start at the start of a block.
|
| - // Insert a line break just after the inserted content to separate it from what
|
| - // comes after and prevent that from happening.
|
| - VisiblePosition endOfInsertedContent = positionAtEndOfInsertedContent();
|
| - if (startOfParagraph(endOfInsertedContent) == startOfParagraphToMove)
|
| - insertNodeAt(createBreakElement(document()).get(), endOfInsertedContent.deepEquivalent());
|
| -
|
| - // FIXME: Maintain positions for the start and end of inserted content instead of keeping nodes. The nodes are
|
| - // only ever used to create positions where inserted content starts/ends.
|
| - moveParagraph(startOfParagraphToMove, endOfParagraph(startOfParagraphToMove), destination);
|
| - m_firstNodeInserted = endingSelection().visibleStart().deepEquivalent().downstream().node();
|
| - if (!m_lastLeafInserted->inDocument())
|
| - m_lastLeafInserted = endingSelection().visibleEnd().deepEquivalent().upstream().node();
|
| - }
|
| -
|
| - endOfInsertedContent = positionAtEndOfInsertedContent();
|
| - startOfInsertedContent = positionAtStartOfInsertedContent();
|
| -
|
| - if (interchangeNewlineAtEnd) {
|
| - VisiblePosition next = endOfInsertedContent.next(true);
|
| -
|
| - if (selectionEndWasEndOfParagraph || !isEndOfParagraph(endOfInsertedContent) || next.isNull()) {
|
| - if (!isStartOfParagraph(endOfInsertedContent)) {
|
| - setEndingSelection(endOfInsertedContent);
|
| - // Use a default paragraph element (a plain div) for the empty paragraph, using the last paragraph
|
| - // block's style seems to annoy users.
|
| - insertParagraphSeparator(true);
|
| -
|
| - // Select up to the paragraph separator that was added.
|
| - lastPositionToSelect = endingSelection().visibleStart().deepEquivalent();
|
| - updateNodesInserted(lastPositionToSelect.node());
|
| - }
|
| - } else {
|
| - // Select up to the beginning of the next paragraph.
|
| - lastPositionToSelect = next.deepEquivalent().downstream();
|
| - }
|
| -
|
| - } else
|
| - mergeEndIfNeeded();
|
| -
|
| - handlePasteAsQuotationNode();
|
| -
|
| - endOfInsertedContent = positionAtEndOfInsertedContent();
|
| - startOfInsertedContent = positionAtStartOfInsertedContent();
|
| -
|
| - // Add spaces for smart replace.
|
| - if (m_smartReplace && currentRoot) {
|
| - // Disable smart replace for password fields.
|
| - Node* start = currentRoot->shadowAncestorNode();
|
| - if (start->hasTagName(inputTag) && static_cast<HTMLInputElement*>(start)->inputType() == HTMLInputElement::PASSWORD)
|
| - m_smartReplace = false;
|
| - }
|
| - if (m_smartReplace) {
|
| - bool needsTrailingSpace = !isEndOfParagraph(endOfInsertedContent) &&
|
| - !isCharacterSmartReplaceExempt(endOfInsertedContent.characterAfter(), false);
|
| - if (needsTrailingSpace) {
|
| - RenderObject* renderer = m_lastLeafInserted->renderer();
|
| - bool collapseWhiteSpace = !renderer || renderer->style()->collapseWhiteSpace();
|
| - Node* endNode = positionAtEndOfInsertedContent().deepEquivalent().upstream().node();
|
| - if (endNode->isTextNode()) {
|
| - Text* text = static_cast<Text*>(endNode);
|
| - insertTextIntoNode(text, text->length(), collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| - } else {
|
| - RefPtr<Node> node = document()->createEditingTextNode(collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| - insertNodeAfterAndUpdateNodesInserted(node, endNode);
|
| - }
|
| - }
|
| -
|
| - bool needsLeadingSpace = !isStartOfParagraph(startOfInsertedContent) &&
|
| - !isCharacterSmartReplaceExempt(startOfInsertedContent.previous().characterAfter(), true);
|
| - if (needsLeadingSpace) {
|
| - RenderObject* renderer = m_lastLeafInserted->renderer();
|
| - bool collapseWhiteSpace = !renderer || renderer->style()->collapseWhiteSpace();
|
| - Node* startNode = positionAtStartOfInsertedContent().deepEquivalent().downstream().node();
|
| - if (startNode->isTextNode()) {
|
| - Text* text = static_cast<Text*>(startNode);
|
| - insertTextIntoNode(text, 0, collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| - } else {
|
| - RefPtr<Node> node = document()->createEditingTextNode(collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| - // Don't updateNodesInserted. Doing so would set m_lastLeafInserted to be the node containing the
|
| - // leading space, but m_lastLeafInserted is supposed to mark the end of pasted content.
|
| - insertNodeBefore(node, startNode);
|
| - // FIXME: Use positions to track the start/end of inserted content.
|
| - m_firstNodeInserted = node;
|
| - }
|
| - }
|
| - }
|
| -
|
| - completeHTMLReplacement(lastPositionToSelect);
|
| -}
|
| -
|
| -bool ReplaceSelectionCommand::shouldRemoveEndBR(Node* endBR, const VisiblePosition& originalVisPosBeforeEndBR)
|
| -{
|
| - if (!endBR || !endBR->inDocument())
|
| - return false;
|
| -
|
| - VisiblePosition visiblePos(Position(endBR, 0));
|
| -
|
| - // Don't remove the br if nothing was inserted.
|
| - if (visiblePos.previous() == originalVisPosBeforeEndBR)
|
| - return false;
|
| -
|
| - // Remove the br if it is collapsed away and so is unnecessary.
|
| - if (!document()->inStrictMode() && isEndOfBlock(visiblePos) && !isStartOfParagraph(visiblePos))
|
| - return true;
|
| -
|
| - // A br that was originally holding a line open should be displaced by inserted content or turned into a line break.
|
| - // A br that was originally acting as a line break should still be acting as a line break, not as a placeholder.
|
| - return isStartOfParagraph(visiblePos) && isEndOfParagraph(visiblePos);
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::completeHTMLReplacement(const Position &lastPositionToSelect)
|
| -{
|
| - Position start;
|
| - Position end;
|
| -
|
| - // FIXME: This should never not be the case.
|
| - if (m_firstNodeInserted && m_firstNodeInserted->inDocument() && m_lastLeafInserted && m_lastLeafInserted->inDocument()) {
|
| -
|
| - start = positionAtStartOfInsertedContent().deepEquivalent();
|
| - end = positionAtEndOfInsertedContent().deepEquivalent();
|
| -
|
| - // FIXME (11475): Remove this and require that the creator of the fragment to use nbsps.
|
| - rebalanceWhitespaceAt(start);
|
| - rebalanceWhitespaceAt(end);
|
| -
|
| - if (m_matchStyle) {
|
| - ASSERT(m_insertionStyle);
|
| - applyStyle(m_insertionStyle.get(), start, end);
|
| - }
|
| -
|
| - if (lastPositionToSelect.isNotNull())
|
| - end = lastPositionToSelect;
|
| - } else if (lastPositionToSelect.isNotNull())
|
| - start = end = lastPositionToSelect;
|
| - else
|
| - return;
|
| -
|
| - if (m_selectReplacement)
|
| - setEndingSelection(Selection(start, end, SEL_DEFAULT_AFFINITY));
|
| - else
|
| - setEndingSelection(Selection(end, SEL_DEFAULT_AFFINITY));
|
| -}
|
| -
|
| -EditAction ReplaceSelectionCommand::editingAction() const
|
| -{
|
| - return m_editAction;
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::insertNodeAfterAndUpdateNodesInserted(PassRefPtr<Node> insertChild, Node* refChild)
|
| -{
|
| - Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| - insertNodeAfter(insertChild, refChild);
|
| - updateNodesInserted(nodeToUpdate);
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::insertNodeAtAndUpdateNodesInserted(PassRefPtr<Node> insertChild, const Position& p)
|
| -{
|
| - Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| - insertNodeAt(insertChild, p);
|
| - updateNodesInserted(nodeToUpdate);
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::insertNodeBeforeAndUpdateNodesInserted(PassRefPtr<Node> insertChild, Node* refChild)
|
| -{
|
| - Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| - insertNodeBefore(insertChild, refChild);
|
| - updateNodesInserted(nodeToUpdate);
|
| -}
|
| -
|
| -void ReplaceSelectionCommand::updateNodesInserted(Node *node)
|
| -{
|
| - if (!node)
|
| - return;
|
| -
|
| - if (!m_firstNodeInserted)
|
| - m_firstNodeInserted = node;
|
| -
|
| - if (node == m_lastLeafInserted)
|
| - return;
|
| -
|
| - m_lastLeafInserted = node->lastDescendant();
|
| -}
|
| -
|
| -} // namespace WebCore
|
| -
|
| +/*
|
| + * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + * 1. Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + * 2. Redistributions in binary form must reproduce the above copyright
|
| + * notice, this list of conditions and the following disclaimer in the
|
| + * documentation and/or other materials provided with the distribution.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
| + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
| + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
| + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
| + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
| + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| + */
|
| +
|
| +#include "config.h"
|
| +#include "ReplaceSelectionCommand.h"
|
| +
|
| +#include "ApplyStyleCommand.h"
|
| +#include "BeforeTextInsertedEvent.h"
|
| +#include "BreakBlockquoteCommand.h"
|
| +#include "CSSComputedStyleDeclaration.h"
|
| +#include "CSSProperty.h"
|
| +#include "CSSPropertyNames.h"
|
| +#include "CSSValueKeywords.h"
|
| +#include "Document.h"
|
| +#include "DocumentFragment.h"
|
| +#include "EditingText.h"
|
| +#include "EventNames.h"
|
| +#include "Element.h"
|
| +#include "Frame.h"
|
| +#include "HTMLElement.h"
|
| +#include "HTMLInterchange.h"
|
| +#include "HTMLInputElement.h"
|
| +#include "HTMLNames.h"
|
| +#include "SelectionController.h"
|
| +#include "SmartReplace.h"
|
| +#include "TextIterator.h"
|
| +#include "htmlediting.h"
|
| +#include "markup.h"
|
| +#include "visible_units.h"
|
| +#include <wtf/StdLibExtras.h>
|
| +
|
| +namespace WebCore {
|
| +
|
| +using namespace HTMLNames;
|
| +
|
| +enum EFragmentType { EmptyFragment, SingleTextNodeFragment, TreeFragment };
|
| +
|
| +// --- ReplacementFragment helper class
|
| +
|
| +class ReplacementFragment : Noncopyable {
|
| +public:
|
| + ReplacementFragment(Document*, DocumentFragment*, bool matchStyle, const Selection&);
|
| +
|
| + Node* firstChild() const;
|
| + Node* lastChild() const;
|
| +
|
| + bool isEmpty() const;
|
| +
|
| + bool hasInterchangeNewlineAtStart() const { return m_hasInterchangeNewlineAtStart; }
|
| + bool hasInterchangeNewlineAtEnd() const { return m_hasInterchangeNewlineAtEnd; }
|
| +
|
| + void removeNode(PassRefPtr<Node>);
|
| + void removeNodePreservingChildren(Node*);
|
| +
|
| +private:
|
| + PassRefPtr<Node> insertFragmentForTestRendering(Node* context);
|
| + void removeUnrenderedNodes(Node*);
|
| + void restoreTestRenderingNodesToFragment(Node*);
|
| + void removeInterchangeNodes(Node*);
|
| +
|
| + void insertNodeBefore(PassRefPtr<Node> node, Node* refNode);
|
| +
|
| + RefPtr<Document> m_document;
|
| + RefPtr<DocumentFragment> m_fragment;
|
| + bool m_matchStyle;
|
| + bool m_hasInterchangeNewlineAtStart;
|
| + bool m_hasInterchangeNewlineAtEnd;
|
| +};
|
| +
|
| +static bool isInterchangeNewlineNode(const Node *node)
|
| +{
|
| + DEFINE_STATIC_LOCAL(String, interchangeNewlineClassString, (AppleInterchangeNewline));
|
| + return node && node->hasTagName(brTag) &&
|
| + static_cast<const Element *>(node)->getAttribute(classAttr) == interchangeNewlineClassString;
|
| +}
|
| +
|
| +static bool isInterchangeConvertedSpaceSpan(const Node *node)
|
| +{
|
| + DEFINE_STATIC_LOCAL(String, convertedSpaceSpanClassString, (AppleConvertedSpace));
|
| + return node->isHTMLElement() &&
|
| + static_cast<const HTMLElement *>(node)->getAttribute(classAttr) == convertedSpaceSpanClassString;
|
| +}
|
| +
|
| +ReplacementFragment::ReplacementFragment(Document* document, DocumentFragment* fragment, bool matchStyle, const Selection& selection)
|
| + : m_document(document),
|
| + m_fragment(fragment),
|
| + m_matchStyle(matchStyle),
|
| + m_hasInterchangeNewlineAtStart(false),
|
| + m_hasInterchangeNewlineAtEnd(false)
|
| +{
|
| + if (!m_document)
|
| + return;
|
| + if (!m_fragment)
|
| + return;
|
| + if (!m_fragment->firstChild())
|
| + return;
|
| +
|
| + Element* editableRoot = selection.rootEditableElement();
|
| + ASSERT(editableRoot);
|
| + if (!editableRoot)
|
| + return;
|
| +
|
| + Node* shadowAncestorNode = editableRoot->shadowAncestorNode();
|
| +
|
| + if (!editableRoot->inlineEventListenerForType(eventNames().webkitBeforeTextInsertedEvent) &&
|
| + // FIXME: Remove these checks once textareas and textfields actually register an event handler.
|
| + !(shadowAncestorNode && shadowAncestorNode->renderer() && shadowAncestorNode->renderer()->isTextField()) &&
|
| + !(shadowAncestorNode && shadowAncestorNode->renderer() && shadowAncestorNode->renderer()->isTextArea()) &&
|
| + editableRoot->isContentRichlyEditable()) {
|
| + removeInterchangeNodes(m_fragment.get());
|
| + return;
|
| + }
|
| +
|
| + Node* styleNode = selection.base().node();
|
| + RefPtr<Node> holder = insertFragmentForTestRendering(styleNode);
|
| +
|
| + RefPtr<Range> range = Selection::selectionFromContentsOfNode(holder.get()).toNormalizedRange();
|
| + String text = plainText(range.get());
|
| + // Give the root a chance to change the text.
|
| + RefPtr<BeforeTextInsertedEvent> evt = BeforeTextInsertedEvent::create(text);
|
| + ExceptionCode ec = 0;
|
| + editableRoot->dispatchEvent(evt, ec);
|
| + ASSERT(ec == 0);
|
| + if (text != evt->text() || !editableRoot->isContentRichlyEditable()) {
|
| + restoreTestRenderingNodesToFragment(holder.get());
|
| + removeNode(holder);
|
| +
|
| + m_fragment = createFragmentFromText(selection.toNormalizedRange().get(), evt->text());
|
| + if (!m_fragment->firstChild())
|
| + return;
|
| + holder = insertFragmentForTestRendering(styleNode);
|
| + }
|
| +
|
| + removeInterchangeNodes(holder.get());
|
| +
|
| + removeUnrenderedNodes(holder.get());
|
| + restoreTestRenderingNodesToFragment(holder.get());
|
| + removeNode(holder);
|
| +}
|
| +
|
| +bool ReplacementFragment::isEmpty() const
|
| +{
|
| + return (!m_fragment || !m_fragment->firstChild()) && !m_hasInterchangeNewlineAtStart && !m_hasInterchangeNewlineAtEnd;
|
| +}
|
| +
|
| +Node *ReplacementFragment::firstChild() const
|
| +{
|
| + return m_fragment ? m_fragment->firstChild() : 0;
|
| +}
|
| +
|
| +Node *ReplacementFragment::lastChild() const
|
| +{
|
| + return m_fragment ? m_fragment->lastChild() : 0;
|
| +}
|
| +
|
| +void ReplacementFragment::removeNodePreservingChildren(Node *node)
|
| +{
|
| + if (!node)
|
| + return;
|
| +
|
| + while (RefPtr<Node> n = node->firstChild()) {
|
| + removeNode(n);
|
| + insertNodeBefore(n.release(), node);
|
| + }
|
| + removeNode(node);
|
| +}
|
| +
|
| +void ReplacementFragment::removeNode(PassRefPtr<Node> node)
|
| +{
|
| + if (!node)
|
| + return;
|
| +
|
| + Node *parent = node->parentNode();
|
| + if (!parent)
|
| + return;
|
| +
|
| + ExceptionCode ec = 0;
|
| + parent->removeChild(node.get(), ec);
|
| + ASSERT(ec == 0);
|
| +}
|
| +
|
| +void ReplacementFragment::insertNodeBefore(PassRefPtr<Node> node, Node* refNode)
|
| +{
|
| + if (!node || !refNode)
|
| + return;
|
| +
|
| + Node* parent = refNode->parentNode();
|
| + if (!parent)
|
| + return;
|
| +
|
| + ExceptionCode ec = 0;
|
| + parent->insertBefore(node, refNode, ec);
|
| + ASSERT(ec == 0);
|
| +}
|
| +
|
| +PassRefPtr<Node> ReplacementFragment::insertFragmentForTestRendering(Node* context)
|
| +{
|
| + Node* body = m_document->body();
|
| + if (!body)
|
| + return 0;
|
| +
|
| + RefPtr<StyledElement> holder = createDefaultParagraphElement(m_document.get());
|
| +
|
| + ExceptionCode ec = 0;
|
| +
|
| + // Copy the whitespace and user-select style from the context onto this element.
|
| + // FIXME: We should examine other style properties to see if they would be appropriate to consider during the test rendering.
|
| + Node* n = context;
|
| + while (n && !n->isElementNode())
|
| + n = n->parentNode();
|
| + if (n) {
|
| + RefPtr<CSSComputedStyleDeclaration> conFontStyle = computedStyle(n);
|
| + CSSStyleDeclaration* style = holder->style();
|
| + style->setProperty(CSSPropertyWhiteSpace, conFontStyle->getPropertyValue(CSSPropertyWhiteSpace), false, ec);
|
| + ASSERT(ec == 0);
|
| + style->setProperty(CSSPropertyWebkitUserSelect, conFontStyle->getPropertyValue(CSSPropertyWebkitUserSelect), false, ec);
|
| + ASSERT(ec == 0);
|
| + }
|
| +
|
| + holder->appendChild(m_fragment, ec);
|
| + ASSERT(ec == 0);
|
| +
|
| + body->appendChild(holder.get(), ec);
|
| + ASSERT(ec == 0);
|
| +
|
| + m_document->updateLayoutIgnorePendingStylesheets();
|
| +
|
| + return holder.release();
|
| +}
|
| +
|
| +void ReplacementFragment::restoreTestRenderingNodesToFragment(Node *holder)
|
| +{
|
| + if (!holder)
|
| + return;
|
| +
|
| + ExceptionCode ec = 0;
|
| + while (RefPtr<Node> node = holder->firstChild()) {
|
| + holder->removeChild(node.get(), ec);
|
| + ASSERT(ec == 0);
|
| + m_fragment->appendChild(node.get(), ec);
|
| + ASSERT(ec == 0);
|
| + }
|
| +}
|
| +
|
| +void ReplacementFragment::removeUnrenderedNodes(Node* holder)
|
| +{
|
| + Vector<Node*> unrendered;
|
| +
|
| + for (Node* node = holder->firstChild(); node; node = node->traverseNextNode(holder))
|
| + if (!isNodeRendered(node) && !isTableStructureNode(node))
|
| + unrendered.append(node);
|
| +
|
| + size_t n = unrendered.size();
|
| + for (size_t i = 0; i < n; ++i)
|
| + removeNode(unrendered[i]);
|
| +}
|
| +
|
| +void ReplacementFragment::removeInterchangeNodes(Node* container)
|
| +{
|
| + // Interchange newlines at the "start" of the incoming fragment must be
|
| + // either the first node in the fragment or the first leaf in the fragment.
|
| + Node* node = container->firstChild();
|
| + while (node) {
|
| + if (isInterchangeNewlineNode(node)) {
|
| + m_hasInterchangeNewlineAtStart = true;
|
| + removeNode(node);
|
| + break;
|
| + }
|
| + node = node->firstChild();
|
| + }
|
| + if (!container->hasChildNodes())
|
| + return;
|
| + // Interchange newlines at the "end" of the incoming fragment must be
|
| + // either the last node in the fragment or the last leaf in the fragment.
|
| + node = container->lastChild();
|
| + while (node) {
|
| + if (isInterchangeNewlineNode(node)) {
|
| + m_hasInterchangeNewlineAtEnd = true;
|
| + removeNode(node);
|
| + break;
|
| + }
|
| + node = node->lastChild();
|
| + }
|
| +
|
| + node = container->firstChild();
|
| + while (node) {
|
| + Node *next = node->traverseNextNode();
|
| + if (isInterchangeConvertedSpaceSpan(node)) {
|
| + RefPtr<Node> n = 0;
|
| + while ((n = node->firstChild())) {
|
| + removeNode(n);
|
| + insertNodeBefore(n, node);
|
| + }
|
| + removeNode(node);
|
| + if (n)
|
| + next = n->traverseNextNode();
|
| + }
|
| + node = next;
|
| + }
|
| +}
|
| +
|
| +ReplaceSelectionCommand::ReplaceSelectionCommand(Document* document, PassRefPtr<DocumentFragment> fragment,
|
| + bool selectReplacement, bool smartReplace, bool matchStyle, bool preventNesting, bool movingParagraph,
|
| + EditAction editAction)
|
| + : CompositeEditCommand(document),
|
| + m_selectReplacement(selectReplacement),
|
| + m_smartReplace(smartReplace),
|
| + m_matchStyle(matchStyle),
|
| + m_documentFragment(fragment),
|
| + m_preventNesting(preventNesting),
|
| + m_movingParagraph(movingParagraph),
|
| + m_editAction(editAction),
|
| + m_shouldMergeEnd(false)
|
| +{
|
| +}
|
| +
|
| +static bool hasMatchingQuoteLevel(VisiblePosition endOfExistingContent, VisiblePosition endOfInsertedContent)
|
| +{
|
| + Position existing = endOfExistingContent.deepEquivalent();
|
| + Position inserted = endOfInsertedContent.deepEquivalent();
|
| + bool isInsideMailBlockquote = nearestMailBlockquote(inserted.node());
|
| + return isInsideMailBlockquote && (numEnclosingMailBlockquotes(existing) == numEnclosingMailBlockquotes(inserted));
|
| +}
|
| +
|
| +bool ReplaceSelectionCommand::shouldMergeStart(bool selectionStartWasStartOfParagraph, bool fragmentHasInterchangeNewlineAtStart)
|
| +{
|
| + VisiblePosition startOfInsertedContent(positionAtStartOfInsertedContent());
|
| + VisiblePosition prev = startOfInsertedContent.previous(true);
|
| + if (prev.isNull())
|
| + return false;
|
| +
|
| + if (!m_movingParagraph && hasMatchingQuoteLevel(prev, positionAtEndOfInsertedContent()))
|
| + return true;
|
| +
|
| + return !selectionStartWasStartOfParagraph &&
|
| + !fragmentHasInterchangeNewlineAtStart &&
|
| + isStartOfParagraph(startOfInsertedContent) &&
|
| + !startOfInsertedContent.deepEquivalent().node()->hasTagName(brTag) &&
|
| + shouldMerge(startOfInsertedContent, prev);
|
| +}
|
| +
|
| +bool ReplaceSelectionCommand::shouldMergeEnd(bool selectionEndWasEndOfParagraph)
|
| +{
|
| + VisiblePosition endOfInsertedContent(positionAtEndOfInsertedContent());
|
| + VisiblePosition next = endOfInsertedContent.next(true);
|
| + if (next.isNull())
|
| + return false;
|
| +
|
| + return !selectionEndWasEndOfParagraph &&
|
| + isEndOfParagraph(endOfInsertedContent) &&
|
| + !endOfInsertedContent.deepEquivalent().node()->hasTagName(brTag) &&
|
| + shouldMerge(endOfInsertedContent, next);
|
| +}
|
| +
|
| +static bool isMailPasteAsQuotationNode(const Node* node)
|
| +{
|
| + return node && node->hasTagName(blockquoteTag) && node->isElementNode() && static_cast<const Element*>(node)->getAttribute(classAttr) == ApplePasteAsQuotation;
|
| +}
|
| +
|
| +// Wrap CompositeEditCommand::removeNodePreservingChildren() so we can update the nodes we track
|
| +void ReplaceSelectionCommand::removeNodePreservingChildren(Node* node)
|
| +{
|
| + if (m_firstNodeInserted == node)
|
| + m_firstNodeInserted = node->traverseNextNode();
|
| + if (m_lastLeafInserted == node)
|
| + m_lastLeafInserted = node->lastChild() ? node->lastChild() : node->traverseNextSibling();
|
| + CompositeEditCommand::removeNodePreservingChildren(node);
|
| +}
|
| +
|
| +// Wrap CompositeEditCommand::removeNodeAndPruneAncestors() so we can update the nodes we track
|
| +void ReplaceSelectionCommand::removeNodeAndPruneAncestors(Node* node)
|
| +{
|
| + // prepare in case m_firstNodeInserted and/or m_lastLeafInserted get removed
|
| + // FIXME: shouldn't m_lastLeafInserted be adjusted using traversePreviousNode()?
|
| + Node* afterFirst = m_firstNodeInserted ? m_firstNodeInserted->traverseNextSibling() : 0;
|
| + Node* afterLast = m_lastLeafInserted ? m_lastLeafInserted->traverseNextSibling() : 0;
|
| +
|
| + CompositeEditCommand::removeNodeAndPruneAncestors(node);
|
| +
|
| + // adjust m_firstNodeInserted and m_lastLeafInserted since either or both may have been removed
|
| + if (m_lastLeafInserted && !m_lastLeafInserted->inDocument())
|
| + m_lastLeafInserted = afterLast;
|
| + if (m_firstNodeInserted && !m_firstNodeInserted->inDocument())
|
| + m_firstNodeInserted = m_lastLeafInserted && m_lastLeafInserted->inDocument() ? afterFirst : 0;
|
| +}
|
| +bool isHeaderElement(Node* a)
|
| +{
|
| + if (!a)
|
| + return false;
|
| +
|
| + return a->hasTagName(h1Tag) ||
|
| + a->hasTagName(h2Tag) ||
|
| + a->hasTagName(h3Tag) ||
|
| + a->hasTagName(h4Tag) ||
|
| + a->hasTagName(h5Tag);
|
| +}
|
| +
|
| +bool haveSameTagName(Node* a, Node* b)
|
| +{
|
| + return a && b && a->isElementNode() && b->isElementNode() && static_cast<Element*>(a)->tagName() == static_cast<Element*>(b)->tagName();
|
| +}
|
| +
|
| +bool ReplaceSelectionCommand::shouldMerge(const VisiblePosition& source, const VisiblePosition& destination)
|
| +{
|
| + if (source.isNull() || destination.isNull())
|
| + return false;
|
| +
|
| + Node* sourceNode = source.deepEquivalent().node();
|
| + Node* destinationNode = destination.deepEquivalent().node();
|
| + Node* sourceBlock = enclosingBlock(sourceNode);
|
| + Node* destinationBlock = enclosingBlock(destinationNode);
|
| + return !enclosingNodeOfType(source.deepEquivalent(), &isMailPasteAsQuotationNode) &&
|
| + sourceBlock && (!sourceBlock->hasTagName(blockquoteTag) || isMailBlockquote(sourceBlock)) &&
|
| + enclosingListChild(sourceBlock) == enclosingListChild(destinationNode) &&
|
| + enclosingTableCell(source.deepEquivalent()) == enclosingTableCell(destination.deepEquivalent()) &&
|
| + (!isHeaderElement(sourceBlock) || haveSameTagName(sourceBlock, destinationBlock)) &&
|
| + // Don't merge to or from a position before or after a block because it would
|
| + // be a no-op and cause infinite recursion.
|
| + !isBlock(sourceNode) && !isBlock(destinationNode);
|
| +}
|
| +
|
| +// Style rules that match just inserted elements could change their appearance, like
|
| +// a div inserted into a document with div { display:inline; }.
|
| +void ReplaceSelectionCommand::negateStyleRulesThatAffectAppearance()
|
| +{
|
| + for (RefPtr<Node> node = m_firstNodeInserted.get(); node; node = node->traverseNextNode()) {
|
| + // FIXME: <rdar://problem/5371536> Style rules that match pasted content can change it's appearance
|
| + if (isStyleSpan(node.get())) {
|
| + HTMLElement* e = static_cast<HTMLElement*>(node.get());
|
| + // There are other styles that style rules can give to style spans,
|
| + // but these are the two important ones because they'll prevent
|
| + // inserted content from appearing in the right paragraph.
|
| + // FIXME: Hyatt is concerned that selectively using display:inline will give inconsistent
|
| + // results. We already know one issue because td elements ignore their display property
|
| + // in quirks mode (which Mail.app is always in). We should look for an alternative.
|
| + if (isBlock(e))
|
| + e->getInlineStyleDecl()->setProperty(CSSPropertyDisplay, CSSValueInline);
|
| + if (e->renderer() && e->renderer()->style()->floating() != FNONE)
|
| + e->getInlineStyleDecl()->setProperty(CSSPropertyFloat, CSSValueNone);
|
| + }
|
| + if (node == m_lastLeafInserted)
|
| + break;
|
| + }
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::removeUnrenderedTextNodesAtEnds()
|
| +{
|
| + document()->updateLayoutIgnorePendingStylesheets();
|
| + if (!m_lastLeafInserted->renderer() &&
|
| + m_lastLeafInserted->isTextNode() &&
|
| + !enclosingNodeWithTag(Position(m_lastLeafInserted.get(), 0), selectTag) &&
|
| + !enclosingNodeWithTag(Position(m_lastLeafInserted.get(), 0), scriptTag)) {
|
| + if (m_firstNodeInserted == m_lastLeafInserted) {
|
| + removeNode(m_lastLeafInserted.get());
|
| + m_lastLeafInserted = 0;
|
| + m_firstNodeInserted = 0;
|
| + return;
|
| + }
|
| + RefPtr<Node> previous = m_lastLeafInserted->traversePreviousNode();
|
| + removeNode(m_lastLeafInserted.get());
|
| + m_lastLeafInserted = previous;
|
| + }
|
| +
|
| + // We don't have to make sure that m_firstNodeInserted isn't inside a select or script element, because
|
| + // it is a top level node in the fragment and the user can't insert into those elements.
|
| + if (!m_firstNodeInserted->renderer() &&
|
| + m_firstNodeInserted->isTextNode()) {
|
| + if (m_firstNodeInserted == m_lastLeafInserted) {
|
| + removeNode(m_firstNodeInserted.get());
|
| + m_firstNodeInserted = 0;
|
| + m_lastLeafInserted = 0;
|
| + return;
|
| + }
|
| + RefPtr<Node> next = m_firstNodeInserted->traverseNextSibling();
|
| + removeNode(m_firstNodeInserted.get());
|
| + m_firstNodeInserted = next;
|
| + }
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::handlePasteAsQuotationNode()
|
| +{
|
| + Node* node = m_firstNodeInserted.get();
|
| + if (isMailPasteAsQuotationNode(node))
|
| + removeNodeAttribute(static_cast<Element*>(node), classAttr);
|
| +}
|
| +
|
| +VisiblePosition ReplaceSelectionCommand::positionAtEndOfInsertedContent()
|
| +{
|
| + Node* lastNode = m_lastLeafInserted.get();
|
| + Node* enclosingSelect = enclosingNodeWithTag(Position(lastNode, 0), selectTag);
|
| + if (enclosingSelect)
|
| + lastNode = enclosingSelect;
|
| + return VisiblePosition(Position(lastNode, maxDeepOffset(lastNode)));
|
| +}
|
| +
|
| +VisiblePosition ReplaceSelectionCommand::positionAtStartOfInsertedContent()
|
| +{
|
| + // Return the inserted content's first VisiblePosition.
|
| + return VisiblePosition(nextCandidate(positionBeforeNode(m_firstNodeInserted.get())));
|
| +}
|
| +
|
| +// Remove style spans before insertion if they are unnecessary. It's faster because we'll
|
| +// avoid doing a layout.
|
| +static bool handleStyleSpansBeforeInsertion(ReplacementFragment& fragment, const Position& insertionPos)
|
| +{
|
| + Node* topNode = fragment.firstChild();
|
| +
|
| + // Handling this case is more complicated (see handleStyleSpans) and doesn't receive the optimization.
|
| + if (isMailPasteAsQuotationNode(topNode))
|
| + return false;
|
| +
|
| + // Either there are no style spans in the fragment or a WebKit client has added content to the fragment
|
| + // before inserting it. Look for and handle style spans after insertion.
|
| + if (!isStyleSpan(topNode))
|
| + return false;
|
| +
|
| + Node* sourceDocumentStyleSpan = topNode;
|
| + RefPtr<Node> copiedRangeStyleSpan = sourceDocumentStyleSpan->firstChild();
|
| +
|
| + RefPtr<CSSMutableStyleDeclaration> styleAtInsertionPos = rangeCompliantEquivalent(insertionPos).computedStyle()->copyInheritableProperties();
|
| + String styleText = styleAtInsertionPos->cssText();
|
| +
|
| + if (styleText == static_cast<Element*>(sourceDocumentStyleSpan)->getAttribute(styleAttr)) {
|
| + fragment.removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| + if (!isStyleSpan(copiedRangeStyleSpan.get()))
|
| + return true;
|
| + }
|
| +
|
| + if (isStyleSpan(copiedRangeStyleSpan.get()) && styleText == static_cast<Element*>(copiedRangeStyleSpan.get())->getAttribute(styleAttr)) {
|
| + fragment.removeNodePreservingChildren(copiedRangeStyleSpan.get());
|
| + return true;
|
| + }
|
| +
|
| + return false;
|
| +}
|
| +
|
| +// At copy time, WebKit wraps copied content in a span that contains the source document's
|
| +// default styles. If the copied Range inherits any other styles from its ancestors, we put
|
| +// those styles on a second span.
|
| +// This function removes redundant styles from those spans, and removes the spans if all their
|
| +// styles are redundant.
|
| +// We should remove the Apple-style-span class when we're done, see <rdar://problem/5685600>.
|
| +// We should remove styles from spans that are overridden by all of their children, either here
|
| +// or at copy time.
|
| +void ReplaceSelectionCommand::handleStyleSpans()
|
| +{
|
| + Node* sourceDocumentStyleSpan = 0;
|
| + Node* copiedRangeStyleSpan = 0;
|
| + // The style span that contains the source document's default style should be at
|
| + // the top of the fragment, but Mail sometimes adds a wrapper (for Paste As Quotation),
|
| + // so search for the top level style span instead of assuming it's at the top.
|
| + for (Node* node = m_firstNodeInserted.get(); node; node = node->traverseNextNode()) {
|
| + if (isStyleSpan(node)) {
|
| + sourceDocumentStyleSpan = node;
|
| + // If the copied Range's common ancestor had user applied inheritable styles
|
| + // on it, they'll be on a second style span, just below the one that holds the
|
| + // document defaults.
|
| + if (isStyleSpan(node->firstChild()))
|
| + copiedRangeStyleSpan = node->firstChild();
|
| + break;
|
| + }
|
| + }
|
| +
|
| + // There might not be any style spans if we're pasting from another application or if
|
| + // we are here because of a document.execCommand("InsertHTML", ...) call.
|
| + if (!sourceDocumentStyleSpan)
|
| + return;
|
| +
|
| + RefPtr<CSSMutableStyleDeclaration> sourceDocumentStyle = static_cast<HTMLElement*>(sourceDocumentStyleSpan)->getInlineStyleDecl()->copy();
|
| + Node* context = sourceDocumentStyleSpan->parentNode();
|
| +
|
| + // If Mail wraps the fragment with a Paste as Quotation blockquote, styles from that element are
|
| + // allowed to override those from the source document, see <rdar://problem/4930986>.
|
| + if (isMailPasteAsQuotationNode(context)) {
|
| + RefPtr<CSSMutableStyleDeclaration> blockquoteStyle = computedStyle(context)->copyInheritableProperties();
|
| + RefPtr<CSSMutableStyleDeclaration> parentStyle = computedStyle(context->parentNode())->copyInheritableProperties();
|
| + parentStyle->diff(blockquoteStyle.get());
|
| +
|
| + CSSMutableStyleDeclaration::const_iterator end = blockquoteStyle->end();
|
| + for (CSSMutableStyleDeclaration::const_iterator it = blockquoteStyle->begin(); it != end; ++it) {
|
| + const CSSProperty& property = *it;
|
| + sourceDocumentStyle->removeProperty(property.id());
|
| + }
|
| +
|
| + context = context->parentNode();
|
| + }
|
| +
|
| + RefPtr<CSSMutableStyleDeclaration> contextStyle = computedStyle(context)->copyInheritableProperties();
|
| + contextStyle->diff(sourceDocumentStyle.get());
|
| +
|
| + // Remove block properties in the span's style. This prevents properties that probably have no effect
|
| + // currently from affecting blocks later if the style is cloned for a new block element during a future
|
| + // editing operation.
|
| + // FIXME: They *can* have an effect currently if blocks beneath the style span aren't individually marked
|
| + // with block styles by the editing engine used to style them. WebKit doesn't do this, but others might.
|
| + sourceDocumentStyle->removeBlockProperties();
|
| +
|
| + // The styles on sourceDocumentStyleSpan are all redundant, and there is no copiedRangeStyleSpan
|
| + // to consider. We're finished.
|
| + if (sourceDocumentStyle->length() == 0 && !copiedRangeStyleSpan) {
|
| + removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| + return;
|
| + }
|
| +
|
| + // There are non-redundant styles on sourceDocumentStyleSpan, but there is no
|
| + // copiedRangeStyleSpan. Clear the redundant styles from sourceDocumentStyleSpan
|
| + // and return.
|
| + if (sourceDocumentStyle->length() > 0 && !copiedRangeStyleSpan) {
|
| + setNodeAttribute(static_cast<Element*>(sourceDocumentStyleSpan), styleAttr, sourceDocumentStyle->cssText());
|
| + return;
|
| + }
|
| +
|
| + RefPtr<CSSMutableStyleDeclaration> copiedRangeStyle = static_cast<HTMLElement*>(copiedRangeStyleSpan)->getInlineStyleDecl()->copy();
|
| +
|
| + // We're going to put sourceDocumentStyleSpan's non-redundant styles onto copiedRangeStyleSpan,
|
| + // as long as they aren't overridden by ones on copiedRangeStyleSpan.
|
| + sourceDocumentStyle->merge(copiedRangeStyle.get(), true);
|
| + copiedRangeStyle = sourceDocumentStyle;
|
| +
|
| + removeNodePreservingChildren(sourceDocumentStyleSpan);
|
| +
|
| + // Remove redundant styles.
|
| + context = copiedRangeStyleSpan->parentNode();
|
| + contextStyle = computedStyle(context)->copyInheritableProperties();
|
| + contextStyle->diff(copiedRangeStyle.get());
|
| +
|
| + // See the comments above about removing block properties.
|
| + copiedRangeStyle->removeBlockProperties();
|
| +
|
| + // All the styles on copiedRangeStyleSpan are redundant, remove it.
|
| + if (copiedRangeStyle->length() == 0) {
|
| + removeNodePreservingChildren(copiedRangeStyleSpan);
|
| + return;
|
| + }
|
| +
|
| + // Clear the redundant styles from the span's style attribute.
|
| + // FIXME: If font-family:-webkit-monospace is non-redundant, then the font-size should stay, even if it
|
| + // appears redundant.
|
| + setNodeAttribute(static_cast<Element*>(copiedRangeStyleSpan), styleAttr, copiedRangeStyle->cssText());
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::mergeEndIfNeeded()
|
| +{
|
| + if (!m_shouldMergeEnd)
|
| + return;
|
| +
|
| + VisiblePosition startOfInsertedContent(positionAtStartOfInsertedContent());
|
| + VisiblePosition endOfInsertedContent(positionAtEndOfInsertedContent());
|
| +
|
| + // Bail to avoid infinite recursion.
|
| + if (m_movingParagraph) {
|
| + ASSERT_NOT_REACHED();
|
| + return;
|
| + }
|
| +
|
| + // Merging two paragraphs will destroy the moved one's block styles. Always move the end of inserted forward
|
| + // to preserve the block style of the paragraph already in the document, unless the paragraph to move would
|
| + // include the what was the start of the selection that was pasted into, so that we preserve that paragraph's
|
| + // block styles.
|
| + bool mergeForward = !(inSameParagraph(startOfInsertedContent, endOfInsertedContent) && !isStartOfParagraph(startOfInsertedContent));
|
| +
|
| + VisiblePosition destination = mergeForward ? endOfInsertedContent.next() : endOfInsertedContent;
|
| + VisiblePosition startOfParagraphToMove = mergeForward ? startOfParagraph(endOfInsertedContent) : endOfInsertedContent.next();
|
| +
|
| + moveParagraph(startOfParagraphToMove, endOfParagraph(startOfParagraphToMove), destination);
|
| + // Merging forward will remove m_lastLeafInserted from the document.
|
| + // FIXME: Maintain positions for the start and end of inserted content instead of keeping nodes. The nodes are
|
| + // only ever used to create positions where inserted content starts/ends.
|
| + if (mergeForward) {
|
| + m_lastLeafInserted = destination.previous().deepEquivalent().node();
|
| + if (!m_firstNodeInserted->inDocument())
|
| + m_firstNodeInserted = endingSelection().visibleStart().deepEquivalent().node();
|
| + }
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::doApply()
|
| +{
|
| + Selection selection = endingSelection();
|
| + ASSERT(selection.isCaretOrRange());
|
| + ASSERT(selection.start().node());
|
| + if (selection.isNone() || !selection.start().node())
|
| + return;
|
| +
|
| + bool selectionIsPlainText = !selection.isContentRichlyEditable();
|
| +
|
| + Element* currentRoot = selection.rootEditableElement();
|
| + ReplacementFragment fragment(document(), m_documentFragment.get(), m_matchStyle, selection);
|
| +
|
| + if (m_matchStyle)
|
| + m_insertionStyle = styleAtPosition(selection.start());
|
| +
|
| + VisiblePosition visibleStart = selection.visibleStart();
|
| + VisiblePosition visibleEnd = selection.visibleEnd();
|
| +
|
| + bool selectionEndWasEndOfParagraph = isEndOfParagraph(visibleEnd);
|
| + bool selectionStartWasStartOfParagraph = isStartOfParagraph(visibleStart);
|
| +
|
| + Node* startBlock = enclosingBlock(visibleStart.deepEquivalent().node());
|
| +
|
| + Position insertionPos = selection.start();
|
| + bool startIsInsideMailBlockquote = nearestMailBlockquote(insertionPos.node());
|
| +
|
| + if (selectionStartWasStartOfParagraph && selectionEndWasEndOfParagraph && !startIsInsideMailBlockquote ||
|
| + startBlock == currentRoot ||
|
| + startBlock && startBlock->renderer() && startBlock->renderer()->isListItem() ||
|
| + selectionIsPlainText)
|
| + m_preventNesting = false;
|
| +
|
| + if (selection.isRange()) {
|
| + // When the end of the selection being pasted into is at the end of a paragraph, and that selection
|
| + // spans multiple blocks, not merging may leave an empty line.
|
| + // When the start of the selection being pasted into is at the start of a block, not merging
|
| + // will leave hanging block(s).
|
| + // Merge blocks if the start of the selection was in a Mail blockquote, since we handle
|
| + // that case specially to prevent nesting.
|
| + bool mergeBlocksAfterDelete = startIsInsideMailBlockquote || isEndOfParagraph(visibleEnd) || isStartOfBlock(visibleStart);
|
| + // FIXME: We should only expand to include fully selected special elements if we are copying a
|
| + // selection and pasting it on top of itself.
|
| + deleteSelection(false, mergeBlocksAfterDelete, true, false);
|
| + visibleStart = endingSelection().visibleStart();
|
| + if (fragment.hasInterchangeNewlineAtStart()) {
|
| + if (isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart)) {
|
| + if (!isEndOfDocument(visibleStart))
|
| + setEndingSelection(visibleStart.next());
|
| + } else
|
| + insertParagraphSeparator();
|
| + }
|
| + insertionPos = endingSelection().start();
|
| + } else {
|
| + ASSERT(selection.isCaret());
|
| + if (fragment.hasInterchangeNewlineAtStart()) {
|
| + VisiblePosition next = visibleStart.next(true);
|
| + if (isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart) && next.isNotNull())
|
| + setEndingSelection(next);
|
| + else
|
| + insertParagraphSeparator();
|
| + }
|
| + // We split the current paragraph in two to avoid nesting the blocks from the fragment inside the current block.
|
| + // For example paste <div>foo</div><div>bar</div><div>baz</div> into <div>x^x</div>, where ^ is the caret.
|
| + // As long as the div styles are the same, visually you'd expect: <div>xbar</div><div>bar</div><div>bazx</div>,
|
| + // not <div>xbar<div>bar</div><div>bazx</div></div>.
|
| + // Don't do this if the selection started in a Mail blockquote.
|
| + if (m_preventNesting && !startIsInsideMailBlockquote && !isEndOfParagraph(visibleStart) && !isStartOfParagraph(visibleStart)) {
|
| + insertParagraphSeparator();
|
| + setEndingSelection(endingSelection().visibleStart().previous());
|
| + }
|
| + insertionPos = endingSelection().start();
|
| + }
|
| +
|
| + if (startIsInsideMailBlockquote && m_preventNesting) {
|
| + // We don't want any of the pasted content to end up nested in a Mail blockquote, so first break
|
| + // out of any surrounding Mail blockquotes.
|
| + applyCommandToComposite(BreakBlockquoteCommand::create(document()));
|
| + // This will leave a br between the split.
|
| + Node* br = endingSelection().start().node();
|
| + ASSERT(br->hasTagName(brTag));
|
| + // Insert content between the two blockquotes, but remove the br (since it was just a placeholder).
|
| + insertionPos = positionBeforeNode(br);
|
| + removeNode(br);
|
| + }
|
| +
|
| + // Inserting content could cause whitespace to collapse, e.g. inserting <div>foo</div> into hello^ world.
|
| + prepareWhitespaceAtPositionForSplit(insertionPos);
|
| +
|
| + // NOTE: This would be an incorrect usage of downstream() if downstream() were changed to mean the last position after
|
| + // p that maps to the same visible position as p (since in the case where a br is at the end of a block and collapsed
|
| + // away, there are positions after the br which map to the same visible position as [br, 0]).
|
| + Node* endBR = insertionPos.downstream().node()->hasTagName(brTag) ? insertionPos.downstream().node() : 0;
|
| + VisiblePosition originalVisPosBeforeEndBR;
|
| + if (endBR)
|
| + originalVisPosBeforeEndBR = VisiblePosition(endBR, 0, DOWNSTREAM).previous();
|
| +
|
| + startBlock = enclosingBlock(insertionPos.node());
|
| +
|
| + // Adjust insertionPos to prevent nesting.
|
| + // If the start was in a Mail blockquote, we will have already handled adjusting insertionPos above.
|
| + if (m_preventNesting && startBlock && !startIsInsideMailBlockquote) {
|
| + ASSERT(startBlock != currentRoot);
|
| + VisiblePosition visibleInsertionPos(insertionPos);
|
| + if (isEndOfBlock(visibleInsertionPos) && !(isStartOfBlock(visibleInsertionPos) && fragment.hasInterchangeNewlineAtEnd()))
|
| + insertionPos = positionAfterNode(startBlock);
|
| + else if (isStartOfBlock(visibleInsertionPos))
|
| + insertionPos = positionBeforeNode(startBlock);
|
| + }
|
| +
|
| + // Paste into run of tabs splits the tab span.
|
| + insertionPos = positionOutsideTabSpan(insertionPos);
|
| +
|
| + // Paste at start or end of link goes outside of link.
|
| + insertionPos = positionAvoidingSpecialElementBoundary(insertionPos);
|
| +
|
| + // FIXME: Can this wait until after the operation has been performed? There doesn't seem to be
|
| + // any work performed after this that queries or uses the typing style.
|
| + if (Frame* frame = document()->frame())
|
| + frame->clearTypingStyle();
|
| +
|
| + bool handledStyleSpans = handleStyleSpansBeforeInsertion(fragment, insertionPos);
|
| +
|
| + // We're finished if there is nothing to add.
|
| + if (fragment.isEmpty() || !fragment.firstChild())
|
| + return;
|
| +
|
| + // 1) Insert the content.
|
| + // 2) Remove redundant styles and style tags, this inner <b> for example: <b>foo <b>bar</b> baz</b>.
|
| + // 3) Merge the start of the added content with the content before the position being pasted into.
|
| + // 4) Do one of the following: a) expand the last br if the fragment ends with one and it collapsed,
|
| + // b) merge the last paragraph of the incoming fragment with the paragraph that contained the
|
| + // end of the selection that was pasted into, or c) handle an interchange newline at the end of the
|
| + // incoming fragment.
|
| + // 5) Add spaces for smart replace.
|
| + // 6) Select the replacement if requested, and match style if requested.
|
| +
|
| + VisiblePosition startOfInsertedContent, endOfInsertedContent;
|
| +
|
| + RefPtr<Node> refNode = fragment.firstChild();
|
| + RefPtr<Node> node = refNode->nextSibling();
|
| +
|
| + fragment.removeNode(refNode);
|
| + insertNodeAtAndUpdateNodesInserted(refNode, insertionPos);
|
| +
|
| + while (node) {
|
| + Node* next = node->nextSibling();
|
| + fragment.removeNode(node);
|
| + insertNodeAfterAndUpdateNodesInserted(node, refNode.get());
|
| + refNode = node;
|
| + node = next;
|
| + }
|
| +
|
| + removeUnrenderedTextNodesAtEnds();
|
| +
|
| + negateStyleRulesThatAffectAppearance();
|
| +
|
| + if (!handledStyleSpans)
|
| + handleStyleSpans();
|
| +
|
| + // Mutation events (bug 20161) may have already removed the inserted content
|
| + if (!m_firstNodeInserted || !m_firstNodeInserted->inDocument())
|
| + return;
|
| +
|
| + endOfInsertedContent = positionAtEndOfInsertedContent();
|
| + startOfInsertedContent = positionAtStartOfInsertedContent();
|
| +
|
| + // We inserted before the startBlock to prevent nesting, and the content before the startBlock wasn't in its own block and
|
| + // didn't have a br after it, so the inserted content ended up in the same paragraph.
|
| + if (startBlock && insertionPos.node() == startBlock->parentNode() && (unsigned)insertionPos.offset() < startBlock->nodeIndex() && !isStartOfParagraph(startOfInsertedContent))
|
| + insertNodeAt(createBreakElement(document()).get(), startOfInsertedContent.deepEquivalent());
|
| +
|
| + Position lastPositionToSelect;
|
| +
|
| + bool interchangeNewlineAtEnd = fragment.hasInterchangeNewlineAtEnd();
|
| +
|
| + if (shouldRemoveEndBR(endBR, originalVisPosBeforeEndBR))
|
| + removeNodeAndPruneAncestors(endBR);
|
| +
|
| + // Determine whether or not we should merge the end of inserted content with what's after it before we do
|
| + // the start merge so that the start merge doesn't effect our decision.
|
| + m_shouldMergeEnd = shouldMergeEnd(selectionEndWasEndOfParagraph);
|
| +
|
| + if (shouldMergeStart(selectionStartWasStartOfParagraph, fragment.hasInterchangeNewlineAtStart())) {
|
| + // Bail to avoid infinite recursion.
|
| + if (m_movingParagraph) {
|
| + // setting display:inline does not work for td elements in quirks mode
|
| + ASSERT(m_firstNodeInserted->hasTagName(tdTag));
|
| + return;
|
| + }
|
| + VisiblePosition destination = startOfInsertedContent.previous();
|
| + VisiblePosition startOfParagraphToMove = startOfInsertedContent;
|
| +
|
| + // Merging the the first paragraph of inserted content with the content that came
|
| + // before the selection that was pasted into would also move content after
|
| + // the selection that was pasted into if: only one paragraph was being pasted,
|
| + // and it was not wrapped in a block, the selection that was pasted into ended
|
| + // at the end of a block and the next paragraph didn't start at the start of a block.
|
| + // Insert a line break just after the inserted content to separate it from what
|
| + // comes after and prevent that from happening.
|
| + VisiblePosition endOfInsertedContent = positionAtEndOfInsertedContent();
|
| + if (startOfParagraph(endOfInsertedContent) == startOfParagraphToMove)
|
| + insertNodeAt(createBreakElement(document()).get(), endOfInsertedContent.deepEquivalent());
|
| +
|
| + // FIXME: Maintain positions for the start and end of inserted content instead of keeping nodes. The nodes are
|
| + // only ever used to create positions where inserted content starts/ends.
|
| + moveParagraph(startOfParagraphToMove, endOfParagraph(startOfParagraphToMove), destination);
|
| + m_firstNodeInserted = endingSelection().visibleStart().deepEquivalent().downstream().node();
|
| + if (!m_lastLeafInserted->inDocument())
|
| + m_lastLeafInserted = endingSelection().visibleEnd().deepEquivalent().upstream().node();
|
| + }
|
| +
|
| + endOfInsertedContent = positionAtEndOfInsertedContent();
|
| + startOfInsertedContent = positionAtStartOfInsertedContent();
|
| +
|
| + if (interchangeNewlineAtEnd) {
|
| + VisiblePosition next = endOfInsertedContent.next(true);
|
| +
|
| + if (selectionEndWasEndOfParagraph || !isEndOfParagraph(endOfInsertedContent) || next.isNull()) {
|
| + if (!isStartOfParagraph(endOfInsertedContent)) {
|
| + setEndingSelection(endOfInsertedContent);
|
| + // Use a default paragraph element (a plain div) for the empty paragraph, using the last paragraph
|
| + // block's style seems to annoy users.
|
| + insertParagraphSeparator(true);
|
| +
|
| + // Select up to the paragraph separator that was added.
|
| + lastPositionToSelect = endingSelection().visibleStart().deepEquivalent();
|
| + updateNodesInserted(lastPositionToSelect.node());
|
| + }
|
| + } else {
|
| + // Select up to the beginning of the next paragraph.
|
| + lastPositionToSelect = next.deepEquivalent().downstream();
|
| + }
|
| +
|
| + } else
|
| + mergeEndIfNeeded();
|
| +
|
| + handlePasteAsQuotationNode();
|
| +
|
| + endOfInsertedContent = positionAtEndOfInsertedContent();
|
| + startOfInsertedContent = positionAtStartOfInsertedContent();
|
| +
|
| + // Add spaces for smart replace.
|
| + if (m_smartReplace && currentRoot) {
|
| + // Disable smart replace for password fields.
|
| + Node* start = currentRoot->shadowAncestorNode();
|
| + if (start->hasTagName(inputTag) && static_cast<HTMLInputElement*>(start)->inputType() == HTMLInputElement::PASSWORD)
|
| + m_smartReplace = false;
|
| + }
|
| + if (m_smartReplace) {
|
| + bool needsTrailingSpace = !isEndOfParagraph(endOfInsertedContent) &&
|
| + !isCharacterSmartReplaceExempt(endOfInsertedContent.characterAfter(), false);
|
| + if (needsTrailingSpace) {
|
| + RenderObject* renderer = m_lastLeafInserted->renderer();
|
| + bool collapseWhiteSpace = !renderer || renderer->style()->collapseWhiteSpace();
|
| + Node* endNode = positionAtEndOfInsertedContent().deepEquivalent().upstream().node();
|
| + if (endNode->isTextNode()) {
|
| + Text* text = static_cast<Text*>(endNode);
|
| + insertTextIntoNode(text, text->length(), collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| + } else {
|
| + RefPtr<Node> node = document()->createEditingTextNode(collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| + insertNodeAfterAndUpdateNodesInserted(node, endNode);
|
| + }
|
| + }
|
| +
|
| + bool needsLeadingSpace = !isStartOfParagraph(startOfInsertedContent) &&
|
| + !isCharacterSmartReplaceExempt(startOfInsertedContent.previous().characterAfter(), true);
|
| + if (needsLeadingSpace) {
|
| + RenderObject* renderer = m_lastLeafInserted->renderer();
|
| + bool collapseWhiteSpace = !renderer || renderer->style()->collapseWhiteSpace();
|
| + Node* startNode = positionAtStartOfInsertedContent().deepEquivalent().downstream().node();
|
| + if (startNode->isTextNode()) {
|
| + Text* text = static_cast<Text*>(startNode);
|
| + insertTextIntoNode(text, 0, collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| + } else {
|
| + RefPtr<Node> node = document()->createEditingTextNode(collapseWhiteSpace ? nonBreakingSpaceString() : " ");
|
| + // Don't updateNodesInserted. Doing so would set m_lastLeafInserted to be the node containing the
|
| + // leading space, but m_lastLeafInserted is supposed to mark the end of pasted content.
|
| + insertNodeBefore(node, startNode);
|
| + // FIXME: Use positions to track the start/end of inserted content.
|
| + m_firstNodeInserted = node;
|
| + }
|
| + }
|
| + }
|
| +
|
| + completeHTMLReplacement(lastPositionToSelect);
|
| +}
|
| +
|
| +bool ReplaceSelectionCommand::shouldRemoveEndBR(Node* endBR, const VisiblePosition& originalVisPosBeforeEndBR)
|
| +{
|
| + if (!endBR || !endBR->inDocument())
|
| + return false;
|
| +
|
| + VisiblePosition visiblePos(Position(endBR, 0));
|
| +
|
| + // Don't remove the br if nothing was inserted.
|
| + if (visiblePos.previous() == originalVisPosBeforeEndBR)
|
| + return false;
|
| +
|
| + // Remove the br if it is collapsed away and so is unnecessary.
|
| + if (!document()->inStrictMode() && isEndOfBlock(visiblePos) && !isStartOfParagraph(visiblePos))
|
| + return true;
|
| +
|
| + // A br that was originally holding a line open should be displaced by inserted content or turned into a line break.
|
| + // A br that was originally acting as a line break should still be acting as a line break, not as a placeholder.
|
| + return isStartOfParagraph(visiblePos) && isEndOfParagraph(visiblePos);
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::completeHTMLReplacement(const Position &lastPositionToSelect)
|
| +{
|
| + Position start;
|
| + Position end;
|
| +
|
| + // FIXME: This should never not be the case.
|
| + if (m_firstNodeInserted && m_firstNodeInserted->inDocument() && m_lastLeafInserted && m_lastLeafInserted->inDocument()) {
|
| +
|
| + start = positionAtStartOfInsertedContent().deepEquivalent();
|
| + end = positionAtEndOfInsertedContent().deepEquivalent();
|
| +
|
| + // FIXME (11475): Remove this and require that the creator of the fragment to use nbsps.
|
| + rebalanceWhitespaceAt(start);
|
| + rebalanceWhitespaceAt(end);
|
| +
|
| + if (m_matchStyle) {
|
| + ASSERT(m_insertionStyle);
|
| + applyStyle(m_insertionStyle.get(), start, end);
|
| + }
|
| +
|
| + if (lastPositionToSelect.isNotNull())
|
| + end = lastPositionToSelect;
|
| + } else if (lastPositionToSelect.isNotNull())
|
| + start = end = lastPositionToSelect;
|
| + else
|
| + return;
|
| +
|
| + if (m_selectReplacement)
|
| + setEndingSelection(Selection(start, end, SEL_DEFAULT_AFFINITY));
|
| + else
|
| + setEndingSelection(Selection(end, SEL_DEFAULT_AFFINITY));
|
| +}
|
| +
|
| +EditAction ReplaceSelectionCommand::editingAction() const
|
| +{
|
| + return m_editAction;
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::insertNodeAfterAndUpdateNodesInserted(PassRefPtr<Node> insertChild, Node* refChild)
|
| +{
|
| + Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| + insertNodeAfter(insertChild, refChild);
|
| + updateNodesInserted(nodeToUpdate);
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::insertNodeAtAndUpdateNodesInserted(PassRefPtr<Node> insertChild, const Position& p)
|
| +{
|
| + Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| + insertNodeAt(insertChild, p);
|
| + updateNodesInserted(nodeToUpdate);
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::insertNodeBeforeAndUpdateNodesInserted(PassRefPtr<Node> insertChild, Node* refChild)
|
| +{
|
| + Node* nodeToUpdate = insertChild.get(); // insertChild will be cleared when passed
|
| + insertNodeBefore(insertChild, refChild);
|
| + updateNodesInserted(nodeToUpdate);
|
| +}
|
| +
|
| +void ReplaceSelectionCommand::updateNodesInserted(Node *node)
|
| +{
|
| + if (!node)
|
| + return;
|
| +
|
| + if (!m_firstNodeInserted)
|
| + m_firstNodeInserted = node;
|
| +
|
| + if (node == m_lastLeafInserted)
|
| + return;
|
| +
|
| + m_lastLeafInserted = node->lastDescendant();
|
| +}
|
| +
|
| +} // namespace WebCore
|
| +
|
|
|
Chromium Code Reviews
Issue 21184:
WebKit merge 40722:40785 (part 1) (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/