| /* |
| * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) |
| * |
| * 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 "Editor.h" |
| |
| #include "AXObjectCache.h" |
| #include "ApplyStyleCommand.h" |
| #include "CharacterNames.h" |
| #include "CreateLinkCommand.h" |
| #include "CSSComputedStyleDeclaration.h" |
| #include "CSSMutableStyleDeclaration.h" |
| #include "CSSProperty.h" |
| #include "CSSPropertyNames.h" |
| #include "CSSValueKeywords.h" |
| #include "ClipboardEvent.h" |
| #include "DeleteButtonController.h" |
| #include "DeleteSelectionCommand.h" |
| #include "DocLoader.h" |
| #include "DocumentFragment.h" |
| #include "EditorClient.h" |
| #include "EventHandler.h" |
| #include "EventNames.h" |
| #include "FocusController.h" |
| #include "Frame.h" |
| #include "FrameTree.h" |
| #include "FrameView.h" |
| #include "HTMLInputElement.h" |
| #include "HTMLTextAreaElement.h" |
| #include "HitTestResult.h" |
| #include "IndentOutdentCommand.h" |
| #include "InsertListCommand.h" |
| #include "KeyboardEvent.h" |
| #include "ModifySelectionListLevel.h" |
| #include "Page.h" |
| #include "Pasteboard.h" |
| #include "RemoveFormatCommand.h" |
| #include "RenderBlock.h" |
| #include "RenderPart.h" |
| #include "ReplaceSelectionCommand.h" |
| #include "Sound.h" |
| #include "Text.h" |
| #include "TextIterator.h" |
| #include "TypingCommand.h" |
| #include "htmlediting.h" |
| #include "markup.h" |
| #include "visible_units.h" |
| #include <wtf/UnusedParam.h> |
| |
| namespace WebCore { |
| |
| using namespace std; |
| using namespace HTMLNames; |
| |
| // When an event handler has moved the selection outside of a text control |
| // we should use the target control's selection for this editing operation. |
| VisibleSelection Editor::selectionForCommand(Event* event) |
| { |
| VisibleSelection selection = m_frame->selection()->selection(); |
| if (!event) |
| return selection; |
| // If the target is a text control, and the current selection is outside of its shadow tree, |
| // then use the saved selection for that text control. |
| Node* target = event->target()->toNode(); |
| Node* selectionStart = selection.start().node(); |
| if (target && (!selectionStart || target->shadowAncestorNode() != selectionStart->shadowAncestorNode())) { |
| if (target->hasTagName(inputTag) && static_cast<HTMLInputElement*>(target)->isTextField()) |
| return static_cast<HTMLInputElement*>(target)->selection(); |
| if (target->hasTagName(textareaTag)) |
| return static_cast<HTMLTextAreaElement*>(target)->selection(); |
| } |
| return selection; |
| } |
| |
| EditorClient* Editor::client() const |
| { |
| if (Page* page = m_frame->page()) |
| return page->editorClient(); |
| return 0; |
| } |
| |
| void Editor::handleKeyboardEvent(KeyboardEvent* event) |
| { |
| if (EditorClient* c = client()) |
| c->handleKeyboardEvent(event); |
| } |
| |
| void Editor::handleInputMethodKeydown(KeyboardEvent* event) |
| { |
| if (EditorClient* c = client()) |
| c->handleInputMethodKeydown(event); |
| } |
| |
| bool Editor::canEdit() const |
| { |
| return m_frame->selection()->isContentEditable(); |
| } |
| |
| bool Editor::canEditRichly() const |
| { |
| return m_frame->selection()->isContentRichlyEditable(); |
| } |
| |
| // WinIE uses onbeforecut and onbeforepaste to enables the cut and paste menu items. They |
| // also send onbeforecopy, apparently for symmetry, but it doesn't affect the menu items. |
| // We need to use onbeforecopy as a real menu enabler because we allow elements that are not |
| // normally selectable to implement copy/paste (like divs, or a document body). |
| |
| bool Editor::canDHTMLCut() |
| { |
| return !m_frame->selection()->isInPasswordField() && !dispatchCPPEvent(eventNames().beforecutEvent, ClipboardNumb); |
| } |
| |
| bool Editor::canDHTMLCopy() |
| { |
| return !m_frame->selection()->isInPasswordField() && !dispatchCPPEvent(eventNames().beforecopyEvent, ClipboardNumb); |
| } |
| |
| bool Editor::canDHTMLPaste() |
| { |
| return !dispatchCPPEvent(eventNames().beforepasteEvent, ClipboardNumb); |
| } |
| |
| bool Editor::canCut() const |
| { |
| return canCopy() && canDelete(); |
| } |
| |
| static HTMLImageElement* imageElementFromImageDocument(Document* document) |
| { |
| if (!document) |
| return 0; |
| if (!document->isImageDocument()) |
| return 0; |
| |
| HTMLElement* body = document->body(); |
| if (!body) |
| return 0; |
| |
| Node* node = body->firstChild(); |
| if (!node) |
| return 0; |
| if (!node->hasTagName(imgTag)) |
| return 0; |
| return static_cast<HTMLImageElement*>(node); |
| } |
| |
| bool Editor::canCopy() const |
| { |
| if (imageElementFromImageDocument(m_frame->document())) |
| return true; |
| SelectionController* selection = m_frame->selection(); |
| return selection->isRange() && !selection->isInPasswordField(); |
| } |
| |
| bool Editor::canPaste() const |
| { |
| return canEdit(); |
| } |
| |
| bool Editor::canDelete() const |
| { |
| SelectionController* selection = m_frame->selection(); |
| return selection->isRange() && selection->isContentEditable(); |
| } |
| |
| bool Editor::canDeleteRange(Range* range) const |
| { |
| ExceptionCode ec = 0; |
| Node* startContainer = range->startContainer(ec); |
| Node* endContainer = range->endContainer(ec); |
| if (!startContainer || !endContainer) |
| return false; |
| |
| if (!startContainer->isContentEditable() || !endContainer->isContentEditable()) |
| return false; |
| |
| if (range->collapsed(ec)) { |
| VisiblePosition start(startContainer, range->startOffset(ec), DOWNSTREAM); |
| VisiblePosition previous = start.previous(); |
| // FIXME: We sometimes allow deletions at the start of editable roots, like when the caret is in an empty list item. |
| if (previous.isNull() || previous.deepEquivalent().node()->rootEditableElement() != startContainer->rootEditableElement()) |
| return false; |
| } |
| return true; |
| } |
| |
| bool Editor::smartInsertDeleteEnabled() |
| { |
| return client() && client()->smartInsertDeleteEnabled(); |
| } |
| |
| bool Editor::canSmartCopyOrDelete() |
| { |
| return client() && client()->smartInsertDeleteEnabled() && m_frame->selectionGranularity() == WordGranularity; |
| } |
| |
| bool Editor::isSelectTrailingWhitespaceEnabled() |
| { |
| return client() && client()->isSelectTrailingWhitespaceEnabled(); |
| } |
| |
| bool Editor::deleteWithDirection(SelectionController::EDirection direction, TextGranularity granularity, bool killRing, bool isTypingAction) |
| { |
| if (!canEdit()) |
| return false; |
| |
| if (m_frame->selection()->isRange()) { |
| if (isTypingAction) { |
| TypingCommand::deleteKeyPressed(m_frame->document(), canSmartCopyOrDelete(), granularity); |
| revealSelectionAfterEditingOperation(); |
| } else { |
| if (killRing) |
| addToKillRing(selectedRange().get(), false); |
| deleteSelectionWithSmartDelete(canSmartCopyOrDelete()); |
| // Implicitly calls revealSelectionAfterEditingOperation(). |
| } |
| } else { |
| switch (direction) { |
| case SelectionController::FORWARD: |
| case SelectionController::RIGHT: |
| TypingCommand::forwardDeleteKeyPressed(m_frame->document(), canSmartCopyOrDelete(), granularity, killRing); |
| break; |
| case SelectionController::BACKWARD: |
| case SelectionController::LEFT: |
| TypingCommand::deleteKeyPressed(m_frame->document(), canSmartCopyOrDelete(), granularity, killRing); |
| break; |
| } |
| revealSelectionAfterEditingOperation(); |
| } |
| |
| // FIXME: We should to move this down into deleteKeyPressed. |
| // clear the "start new kill ring sequence" setting, because it was set to true |
| // when the selection was updated by deleting the range |
| if (killRing) |
| setStartNewKillRingSequence(false); |
| |
| return true; |
| } |
| |
| void Editor::deleteSelectionWithSmartDelete(bool smartDelete) |
| { |
| if (m_frame->selection()->isNone()) |
| return; |
| |
| applyCommand(DeleteSelectionCommand::create(m_frame->document(), smartDelete)); |
| } |
| |
| void Editor::pasteAsPlainTextWithPasteboard(Pasteboard* pasteboard) |
| { |
| String text = pasteboard->plainText(m_frame); |
| if (client() && client()->shouldInsertText(text, selectedRange().get(), EditorInsertActionPasted)) |
| replaceSelectionWithText(text, false, canSmartReplaceWithPasteboard(pasteboard)); |
| } |
| |
| void Editor::pasteWithPasteboard(Pasteboard* pasteboard, bool allowPlainText) |
| { |
| RefPtr<Range> range = selectedRange(); |
| bool chosePlainText; |
| RefPtr<DocumentFragment> fragment = pasteboard->documentFragment(m_frame, range, allowPlainText, chosePlainText); |
| if (fragment && shouldInsertFragment(fragment, range, EditorInsertActionPasted)) |
| replaceSelectionWithFragment(fragment, false, canSmartReplaceWithPasteboard(pasteboard), chosePlainText); |
| } |
| |
| bool Editor::canSmartReplaceWithPasteboard(Pasteboard* pasteboard) |
| { |
| return client() && client()->smartInsertDeleteEnabled() && pasteboard->canSmartReplace(); |
| } |
| |
| bool Editor::shouldInsertFragment(PassRefPtr<DocumentFragment> fragment, PassRefPtr<Range> replacingDOMRange, EditorInsertAction givenAction) |
| { |
| if (!client()) |
| return false; |
| |
| Node* child = fragment->firstChild(); |
| if (child && fragment->lastChild() == child && child->isCharacterDataNode()) |
| return client()->shouldInsertText(static_cast<CharacterData*>(child)->data(), replacingDOMRange.get(), givenAction); |
| |
| return client()->shouldInsertNode(fragment.get(), replacingDOMRange.get(), givenAction); |
| } |
| |
| void Editor::replaceSelectionWithFragment(PassRefPtr<DocumentFragment> fragment, bool selectReplacement, bool smartReplace, bool matchStyle) |
| { |
| if (m_frame->selection()->isNone() || !fragment) |
| return; |
| |
| applyCommand(ReplaceSelectionCommand::create(m_frame->document(), fragment, selectReplacement, smartReplace, matchStyle)); |
| revealSelectionAfterEditingOperation(); |
| } |
| |
| void Editor::replaceSelectionWithText(const String& text, bool selectReplacement, bool smartReplace) |
| { |
| replaceSelectionWithFragment(createFragmentFromText(selectedRange().get(), text), selectReplacement, smartReplace, true); |
| } |
| |
| PassRefPtr<Range> Editor::selectedRange() |
| { |
| if (!m_frame) |
| return 0; |
| return m_frame->selection()->toNormalizedRange(); |
| } |
| |
| bool Editor::shouldDeleteRange(Range* range) const |
| { |
| ExceptionCode ec; |
| if (!range || range->collapsed(ec)) |
| return false; |
| |
| if (!canDeleteRange(range)) |
| return false; |
| |
| return client() && client()->shouldDeleteRange(range); |
| } |
| |
| bool Editor::tryDHTMLCopy() |
| { |
| if (m_frame->selection()->isInPasswordField()) |
| return false; |
| |
| if (canCopy()) |
| // Must be done before oncopy adds types and data to the pboard, |
| // also done for security, as it erases data from the last copy/paste. |
| Pasteboard::generalPasteboard()->clear(); |
| |
| return !dispatchCPPEvent(eventNames().copyEvent, ClipboardWritable); |
| } |
| |
| bool Editor::tryDHTMLCut() |
| { |
| if (m_frame->selection()->isInPasswordField()) |
| return false; |
| |
| if (canCut()) |
| // Must be done before oncut adds types and data to the pboard, |
| // also done for security, as it erases data from the last copy/paste. |
| Pasteboard::generalPasteboard()->clear(); |
| |
| return !dispatchCPPEvent(eventNames().cutEvent, ClipboardWritable); |
| } |
| |
| bool Editor::tryDHTMLPaste() |
| { |
| return !dispatchCPPEvent(eventNames().pasteEvent, ClipboardReadable); |
| } |
| |
| void Editor::writeSelectionToPasteboard(Pasteboard* pasteboard) |
| { |
| pasteboard->writeSelection(selectedRange().get(), canSmartCopyOrDelete(), m_frame); |
| } |
| |
| bool Editor::shouldInsertText(const String& text, Range* range, EditorInsertAction action) const |
| { |
| return client() && client()->shouldInsertText(text, range, action); |
| } |
| |
| bool Editor::shouldShowDeleteInterface(HTMLElement* element) const |
| { |
| return client() && client()->shouldShowDeleteInterface(element); |
| } |
| |
| void Editor::respondToChangedSelection(const VisibleSelection& oldSelection) |
| { |
| if (client()) |
| client()->respondToChangedSelection(); |
| m_deleteButtonController->respondToChangedSelection(oldSelection); |
| } |
| |
| void Editor::respondToChangedContents(const VisibleSelection& endingSelection) |
| { |
| if (AXObjectCache::accessibilityEnabled()) { |
| Node* node = endingSelection.start().node(); |
| if (node) |
| m_frame->document()->axObjectCache()->postNotification(node->renderer(), "AXValueChanged", false); |
| } |
| |
| if (client()) |
| client()->respondToChangedContents(); |
| } |
| |
| const SimpleFontData* Editor::fontForSelection(bool& hasMultipleFonts) const |
| { |
| #if !PLATFORM(QT) |
| hasMultipleFonts = false; |
| |
| if (!m_frame->selection()->isRange()) { |
| Node* nodeToRemove; |
| RenderStyle* style = m_frame->styleForSelectionStart(nodeToRemove); // sets nodeToRemove |
| |
| const SimpleFontData* result = 0; |
| if (style) |
| result = style->font().primaryFont(); |
| |
| if (nodeToRemove) { |
| ExceptionCode ec; |
| nodeToRemove->remove(ec); |
| ASSERT(ec == 0); |
| } |
| |
| return result; |
| } |
| |
| const SimpleFontData* font = 0; |
| |
| RefPtr<Range> range = m_frame->selection()->toNormalizedRange(); |
| Node* startNode = range->editingStartPosition().node(); |
| if (startNode) { |
| Node* pastEnd = range->pastLastNode(); |
| // In the loop below, n should eventually match pastEnd and not become nil, but we've seen at least one |
| // unreproducible case where this didn't happen, so check for nil also. |
| for (Node* n = startNode; n && n != pastEnd; n = n->traverseNextNode()) { |
| RenderObject *renderer = n->renderer(); |
| if (!renderer) |
| continue; |
| // FIXME: Are there any node types that have renderers, but that we should be skipping? |
| const SimpleFontData* f = renderer->style()->font().primaryFont(); |
| if (!font) |
| font = f; |
| else if (font != f) { |
| hasMultipleFonts = true; |
| break; |
| } |
| } |
| } |
| |
| return font; |
| #else |
| return 0; |
| #endif |
| } |
| |
| WritingDirection Editor::textDirectionForSelection(bool& hasNestedOrMultipleEmbeddings) const |
| { |
| hasNestedOrMultipleEmbeddings = true; |
| |
| if (m_frame->selection()->isNone()) |
| return NaturalWritingDirection; |
| |
| Position pos = m_frame->selection()->selection().start().downstream(); |
| |
| Node* node = pos.node(); |
| if (!node) |
| return NaturalWritingDirection; |
| |
| Position end; |
| if (m_frame->selection()->isRange()) { |
| end = m_frame->selection()->selection().end().upstream(); |
| |
| Node* pastLast = Range::create(m_frame->document(), rangeCompliantEquivalent(pos), rangeCompliantEquivalent(end))->pastLastNode(); |
| for (Node* n = node; n && n != pastLast; n = n->traverseNextNode()) { |
| if (!n->isStyledElement()) |
| continue; |
| |
| RefPtr<CSSComputedStyleDeclaration> style = computedStyle(n); |
| RefPtr<CSSValue> unicodeBidi = style->getPropertyCSSValue(CSSPropertyUnicodeBidi); |
| if (!unicodeBidi) |
| continue; |
| |
| ASSERT(unicodeBidi->isPrimitiveValue()); |
| int unicodeBidiValue = static_cast<CSSPrimitiveValue*>(unicodeBidi.get())->getIdent(); |
| if (unicodeBidiValue == CSSValueEmbed || unicodeBidiValue == CSSValueBidiOverride) |
| return NaturalWritingDirection; |
| } |
| } |
| |
| if (m_frame->selection()->isCaret()) { |
| if (CSSMutableStyleDeclaration *typingStyle = m_frame->typingStyle()) { |
| RefPtr<CSSValue> unicodeBidi = typingStyle->getPropertyCSSValue(CSSPropertyUnicodeBidi); |
| if (unicodeBidi) { |
| ASSERT(unicodeBidi->isPrimitiveValue()); |
| int unicodeBidiValue = static_cast<CSSPrimitiveValue*>(unicodeBidi.get())->getIdent(); |
| if (unicodeBidiValue == CSSValueEmbed) { |
| RefPtr<CSSValue> direction = typingStyle->getPropertyCSSValue(CSSPropertyDirection); |
| ASSERT(!direction || direction->isPrimitiveValue()); |
| if (direction) { |
| hasNestedOrMultipleEmbeddings = false; |
| return static_cast<CSSPrimitiveValue*>(direction.get())->getIdent() == CSSValueLtr ? LeftToRightWritingDirection : RightToLeftWritingDirection; |
| } |
| } else if (unicodeBidiValue == CSSValueNormal) { |
| hasNestedOrMultipleEmbeddings = false; |
| return NaturalWritingDirection; |
| } |
| } |
| } |
| node = m_frame->selection()->selection().visibleStart().deepEquivalent().node(); |
| } |
| |
| // The selection is either a caret with no typing attributes or a range in which no embedding is added, so just use the start position |
| // to decide. |
| Node* block = enclosingBlock(node); |
| WritingDirection foundDirection = NaturalWritingDirection; |
| |
| for (; node != block; node = node->parent()) { |
| if (!node->isStyledElement()) |
| continue; |
| |
| RefPtr<CSSComputedStyleDeclaration> style = computedStyle(node); |
| RefPtr<CSSValue> unicodeBidi = style->getPropertyCSSValue(CSSPropertyUnicodeBidi); |
| if (!unicodeBidi) |
| continue; |
| |
| ASSERT(unicodeBidi->isPrimitiveValue()); |
| int unicodeBidiValue = static_cast<CSSPrimitiveValue*>(unicodeBidi.get())->getIdent(); |
| if (unicodeBidiValue == CSSValueNormal) |
| continue; |
| |
| if (unicodeBidiValue == CSSValueBidiOverride) |
| return NaturalWritingDirection; |
| |
| ASSERT(unicodeBidiValue == CSSValueEmbed); |
| RefPtr<CSSValue> direction = style->getPropertyCSSValue(CSSPropertyDirection); |
| if (!direction) |
| continue; |
| |
| ASSERT(direction->isPrimitiveValue()); |
| int directionValue = static_cast<CSSPrimitiveValue*>(direction.get())->getIdent(); |
| if (directionValue != CSSValueLtr && directionValue != CSSValueRtl) |
| continue; |
| |
| if (foundDirection != NaturalWritingDirection) |
| return NaturalWritingDirection; |
| |
| // In the range case, make sure that the embedding element persists until the end of the range. |
| if (m_frame->selection()->isRange() && !end.node()->isDescendantOf(node)) |
| return NaturalWritingDirection; |
| |
| foundDirection = directionValue == CSSValueLtr ? LeftToRightWritingDirection : RightToLeftWritingDirection; |
| } |
| hasNestedOrMultipleEmbeddings = false; |
| return foundDirection; |
| } |
| |
| bool Editor::hasBidiSelection() const |
| { |
| if (m_frame->selection()->isNone()) |
| return false; |
| |
| Node* startNode; |
| if (m_frame->selection()->isRange()) { |
| startNode = m_frame->selection()->selection().start().downstream().node(); |
| Node* endNode = m_frame->selection()->selection().end().upstream().node(); |
| if (enclosingBlock(startNode) != enclosingBlock(endNode)) |
| return false; |
| } else |
| startNode = m_frame->selection()->selection().visibleStart().deepEquivalent().node(); |
| |
| RenderObject* renderer = startNode->renderer(); |
| while (renderer && !renderer->isRenderBlock()) |
| renderer = renderer->parent(); |
| |
| if (!renderer) |
| return false; |
| |
| RenderStyle* style = renderer->style(); |
| if (style->direction() == RTL) |
| return true; |
| |
| return toRenderBlock(renderer)->containsNonZeroBidiLevel(); |
| } |
| |
| TriState Editor::selectionUnorderedListState() const |
| { |
| if (m_frame->selection()->isCaret()) { |
| if (enclosingNodeWithTag(m_frame->selection()->selection().start(), ulTag)) |
| return TrueTriState; |
| } else if (m_frame->selection()->isRange()) { |
| Node* startNode = enclosingNodeWithTag(m_frame->selection()->selection().start(), ulTag); |
| Node* endNode = enclosingNodeWithTag(m_frame->selection()->selection().end(), ulTag); |
| if (startNode && endNode && startNode == endNode) |
| return TrueTriState; |
| } |
| |
| return FalseTriState; |
| } |
| |
| TriState Editor::selectionOrderedListState() const |
| { |
| if (m_frame->selection()->isCaret()) { |
| if (enclosingNodeWithTag(m_frame->selection()->selection().start(), olTag)) |
| return TrueTriState; |
| } else if (m_frame->selection()->isRange()) { |
| Node* startNode = enclosingNodeWithTag(m_frame->selection()->selection().start(), olTag); |
| Node* endNode = enclosingNodeWithTag(m_frame->selection()->selection().end(), olTag); |
| if (startNode && endNode && startNode == endNode) |
| return TrueTriState; |
| } |
| |
| return FalseTriState; |
| } |
| |
| PassRefPtr<Node> Editor::insertOrderedList() |
| { |
| if (!canEditRichly()) |
| return 0; |
| |
| RefPtr<Node> newList = InsertListCommand::insertList(m_frame->document(), InsertListCommand::OrderedList); |
| revealSelectionAfterEditingOperation(); |
| return newList; |
| } |
| |
| PassRefPtr<Node> Editor::insertUnorderedList() |
| { |
| if (!canEditRichly()) |
| return 0; |
| |
| RefPtr<Node> newList = InsertListCommand::insertList(m_frame->document(), InsertListCommand::UnorderedList); |
| revealSelectionAfterEditingOperation(); |
| return newList; |
| } |
| |
| bool Editor::canIncreaseSelectionListLevel() |
| { |
| return canEditRichly() && IncreaseSelectionListLevelCommand::canIncreaseSelectionListLevel(m_frame->document()); |
| } |
| |
| bool Editor::canDecreaseSelectionListLevel() |
| { |
| return canEditRichly() && DecreaseSelectionListLevelCommand::canDecreaseSelectionListLevel(m_frame->document()); |
| } |
| |
| PassRefPtr<Node> Editor::increaseSelectionListLevel() |
| { |
| if (!canEditRichly() || m_frame->selection()->isNone()) |
| return 0; |
| |
| RefPtr<Node> newList = IncreaseSelectionListLevelCommand::increaseSelectionListLevel(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| return newList; |
| } |
| |
| PassRefPtr<Node> Editor::increaseSelectionListLevelOrdered() |
| { |
| if (!canEditRichly() || m_frame->selection()->isNone()) |
| return 0; |
| |
| RefPtr<Node> newList = IncreaseSelectionListLevelCommand::increaseSelectionListLevelOrdered(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| return newList.release(); |
| } |
| |
| PassRefPtr<Node> Editor::increaseSelectionListLevelUnordered() |
| { |
| if (!canEditRichly() || m_frame->selection()->isNone()) |
| return 0; |
| |
| RefPtr<Node> newList = IncreaseSelectionListLevelCommand::increaseSelectionListLevelUnordered(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| return newList.release(); |
| } |
| |
| void Editor::decreaseSelectionListLevel() |
| { |
| if (!canEditRichly() || m_frame->selection()->isNone()) |
| return; |
| |
| DecreaseSelectionListLevelCommand::decreaseSelectionListLevel(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| } |
| |
| void Editor::removeFormattingAndStyle() |
| { |
| applyCommand(RemoveFormatCommand::create(m_frame->document())); |
| } |
| |
| void Editor::clearLastEditCommand() |
| { |
| m_lastEditCommand.clear(); |
| } |
| |
| // Returns whether caller should continue with "the default processing", which is the same as |
| // the event handler NOT setting the return value to false |
| bool Editor::dispatchCPPEvent(const AtomicString &eventType, ClipboardAccessPolicy policy) |
| { |
| Node* target = m_frame->selection()->start().element(); |
| if (!target) |
| target = m_frame->document()->body(); |
| if (!target) |
| return true; |
| target = target->shadowAncestorNode(); |
| |
| RefPtr<Clipboard> clipboard = newGeneralClipboard(policy); |
| |
| ExceptionCode ec = 0; |
| RefPtr<Event> evt = ClipboardEvent::create(eventType, true, true, clipboard); |
| target->dispatchEvent(evt, ec); |
| bool noDefaultProcessing = evt->defaultPrevented(); |
| |
| // invalidate clipboard here for security |
| clipboard->setAccessPolicy(ClipboardNumb); |
| |
| return !noDefaultProcessing; |
| } |
| |
| void Editor::applyStyle(CSSStyleDeclaration* style, EditAction editingAction) |
| { |
| switch (m_frame->selection()->selectionType()) { |
| case VisibleSelection::NoSelection: |
| // do nothing |
| break; |
| case VisibleSelection::CaretSelection: |
| m_frame->computeAndSetTypingStyle(style, editingAction); |
| break; |
| case VisibleSelection::RangeSelection: |
| if (style) |
| applyCommand(ApplyStyleCommand::create(m_frame->document(), style, editingAction)); |
| break; |
| } |
| } |
| |
| bool Editor::shouldApplyStyle(CSSStyleDeclaration* style, Range* range) |
| { |
| return client()->shouldApplyStyle(style, range); |
| } |
| |
| void Editor::applyParagraphStyle(CSSStyleDeclaration* style, EditAction editingAction) |
| { |
| switch (m_frame->selection()->selectionType()) { |
| case VisibleSelection::NoSelection: |
| // do nothing |
| break; |
| case VisibleSelection::CaretSelection: |
| case VisibleSelection::RangeSelection: |
| if (style) |
| applyCommand(ApplyStyleCommand::create(m_frame->document(), style, editingAction, ApplyStyleCommand::ForceBlockProperties)); |
| break; |
| } |
| } |
| |
| void Editor::applyStyleToSelection(CSSStyleDeclaration* style, EditAction editingAction) |
| { |
| if (!style || style->length() == 0 || !canEditRichly()) |
| return; |
| |
| if (client() && client()->shouldApplyStyle(style, m_frame->selection()->toNormalizedRange().get())) |
| applyStyle(style, editingAction); |
| } |
| |
| void Editor::applyParagraphStyleToSelection(CSSStyleDeclaration* style, EditAction editingAction) |
| { |
| if (!style || style->length() == 0 || !canEditRichly()) |
| return; |
| |
| if (client() && client()->shouldApplyStyle(style, m_frame->selection()->toNormalizedRange().get())) |
| applyParagraphStyle(style, editingAction); |
| } |
| |
| bool Editor::clientIsEditable() const |
| { |
| return client() && client()->isEditable(); |
| } |
| |
| bool Editor::selectionStartHasStyle(CSSStyleDeclaration* style) const |
| { |
| Node* nodeToRemove; |
| RefPtr<CSSComputedStyleDeclaration> selectionStyle = m_frame->selectionComputedStyle(nodeToRemove); |
| if (!selectionStyle) |
| return false; |
| |
| RefPtr<CSSMutableStyleDeclaration> mutableStyle = style->makeMutable(); |
| |
| bool match = true; |
| CSSMutableStyleDeclaration::const_iterator end = mutableStyle->end(); |
| for (CSSMutableStyleDeclaration::const_iterator it = mutableStyle->begin(); it != end; ++it) { |
| int propertyID = (*it).id(); |
| if (!equalIgnoringCase(mutableStyle->getPropertyValue(propertyID), selectionStyle->getPropertyValue(propertyID))) { |
| match = false; |
| break; |
| } |
| } |
| |
| if (nodeToRemove) { |
| ExceptionCode ec = 0; |
| nodeToRemove->remove(ec); |
| ASSERT(ec == 0); |
| } |
| |
| return match; |
| } |
| |
| static void updateState(CSSMutableStyleDeclaration* desiredStyle, CSSComputedStyleDeclaration* computedStyle, bool& atStart, TriState& state) |
| { |
| CSSMutableStyleDeclaration::const_iterator end = desiredStyle->end(); |
| for (CSSMutableStyleDeclaration::const_iterator it = desiredStyle->begin(); it != end; ++it) { |
| int propertyID = (*it).id(); |
| String desiredProperty = desiredStyle->getPropertyValue(propertyID); |
| String computedProperty = computedStyle->getPropertyValue(propertyID); |
| TriState propertyState = equalIgnoringCase(desiredProperty, computedProperty) |
| ? TrueTriState : FalseTriState; |
| if (atStart) { |
| state = propertyState; |
| atStart = false; |
| } else if (state != propertyState) { |
| state = MixedTriState; |
| break; |
| } |
| } |
| } |
| |
| TriState Editor::selectionHasStyle(CSSStyleDeclaration* style) const |
| { |
| bool atStart = true; |
| TriState state = FalseTriState; |
| |
| RefPtr<CSSMutableStyleDeclaration> mutableStyle = style->makeMutable(); |
| |
| if (!m_frame->selection()->isRange()) { |
| Node* nodeToRemove; |
| RefPtr<CSSComputedStyleDeclaration> selectionStyle = m_frame->selectionComputedStyle(nodeToRemove); |
| if (!selectionStyle) |
| return FalseTriState; |
| updateState(mutableStyle.get(), selectionStyle.get(), atStart, state); |
| if (nodeToRemove) { |
| ExceptionCode ec = 0; |
| nodeToRemove->remove(ec); |
| ASSERT(ec == 0); |
| } |
| } else { |
| for (Node* node = m_frame->selection()->start().node(); node; node = node->traverseNextNode()) { |
| RefPtr<CSSComputedStyleDeclaration> nodeStyle = computedStyle(node); |
| if (nodeStyle) |
| updateState(mutableStyle.get(), nodeStyle.get(), atStart, state); |
| if (state == MixedTriState) |
| break; |
| if (node == m_frame->selection()->end().node()) |
| break; |
| } |
| } |
| |
| return state; |
| } |
| void Editor::indent() |
| { |
| applyCommand(IndentOutdentCommand::create(m_frame->document(), IndentOutdentCommand::Indent)); |
| } |
| |
| void Editor::outdent() |
| { |
| applyCommand(IndentOutdentCommand::create(m_frame->document(), IndentOutdentCommand::Outdent)); |
| } |
| |
| static void dispatchEditableContentChangedEvents(const EditCommand& command) |
| { |
| Element* startRoot = command.startingRootEditableElement(); |
| Element* endRoot = command.endingRootEditableElement(); |
| ExceptionCode ec; |
| if (startRoot) |
| startRoot->dispatchEvent(Event::create(eventNames().webkitEditableContentChangedEvent, false, false), ec); |
| if (endRoot && endRoot != startRoot) |
| endRoot->dispatchEvent(Event::create(eventNames().webkitEditableContentChangedEvent, false, false), ec); |
| } |
| |
| void Editor::appliedEditing(PassRefPtr<EditCommand> cmd) |
| { |
| dispatchEditableContentChangedEvents(*cmd); |
| |
| VisibleSelection newSelection(cmd->endingSelection()); |
| // Don't clear the typing style with this selection change. We do those things elsewhere if necessary. |
| changeSelectionAfterCommand(newSelection, false, false, cmd.get()); |
| |
| if (!cmd->preservesTypingStyle()) |
| m_frame->setTypingStyle(0); |
| |
| // Command will be equal to last edit command only in the case of typing |
| if (m_lastEditCommand.get() == cmd) |
| ASSERT(cmd->isTypingCommand()); |
| else { |
| // Only register a new undo command if the command passed in is |
| // different from the last command |
| m_lastEditCommand = cmd; |
| if (client()) |
| client()->registerCommandForUndo(m_lastEditCommand); |
| } |
| respondToChangedContents(newSelection); |
| } |
| |
| void Editor::unappliedEditing(PassRefPtr<EditCommand> cmd) |
| { |
| dispatchEditableContentChangedEvents(*cmd); |
| |
| VisibleSelection newSelection(cmd->startingSelection()); |
| changeSelectionAfterCommand(newSelection, true, true, cmd.get()); |
| |
| m_lastEditCommand = 0; |
| if (client()) |
| client()->registerCommandForRedo(cmd); |
| respondToChangedContents(newSelection); |
| } |
| |
| void Editor::reappliedEditing(PassRefPtr<EditCommand> cmd) |
| { |
| dispatchEditableContentChangedEvents(*cmd); |
| |
| VisibleSelection newSelection(cmd->endingSelection()); |
| changeSelectionAfterCommand(newSelection, true, true, cmd.get()); |
| |
| m_lastEditCommand = 0; |
| if (client()) |
| client()->registerCommandForUndo(cmd); |
| respondToChangedContents(newSelection); |
| } |
| |
| Editor::Editor(Frame* frame) |
| : m_frame(frame) |
| , m_deleteButtonController(new DeleteButtonController(frame)) |
| , m_ignoreCompositionSelectionChange(false) |
| , m_shouldStartNewKillRingSequence(false) |
| // This is off by default, since most editors want this behavior (this matches IE but not FF). |
| , m_shouldStyleWithCSS(false) |
| { |
| } |
| |
| Editor::~Editor() |
| { |
| } |
| |
| void Editor::clear() |
| { |
| m_compositionNode = 0; |
| m_customCompositionUnderlines.clear(); |
| m_shouldStyleWithCSS = false; |
| } |
| |
| bool Editor::insertText(const String& text, Event* triggeringEvent) |
| { |
| return m_frame->eventHandler()->handleTextInputEvent(text, triggeringEvent); |
| } |
| |
| bool Editor::insertTextWithoutSendingTextEvent(const String& text, bool selectInsertedText, Event* triggeringEvent) |
| { |
| if (text.isEmpty()) |
| return false; |
| |
| VisibleSelection selection = selectionForCommand(triggeringEvent); |
| if (!selection.isContentEditable()) |
| return false; |
| RefPtr<Range> range = selection.toNormalizedRange(); |
| |
| if (!shouldInsertText(text, range.get(), EditorInsertActionTyped)) |
| return true; |
| |
| // Get the selection to use for the event that triggered this insertText. |
| // If the event handler changed the selection, we may want to use a different selection |
| // that is contained in the event target. |
| selection = selectionForCommand(triggeringEvent); |
| if (selection.isContentEditable()) { |
| if (Node* selectionStart = selection.start().node()) { |
| RefPtr<Document> document = selectionStart->document(); |
| |
| // Insert the text |
| TypingCommand::insertText(document.get(), text, selection, selectInsertedText); |
| |
| // Reveal the current selection |
| if (Frame* editedFrame = document->frame()) |
| if (Page* page = editedFrame->page()) |
| page->focusController()->focusedOrMainFrame()->revealSelection(ScrollAlignment::alignToEdgeIfNeeded); |
| } |
| } |
| |
| return true; |
| } |
| |
| bool Editor::insertLineBreak() |
| { |
| if (!canEdit()) |
| return false; |
| |
| if (!shouldInsertText("\n", m_frame->selection()->toNormalizedRange().get(), EditorInsertActionTyped)) |
| return true; |
| |
| TypingCommand::insertLineBreak(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| return true; |
| } |
| |
| bool Editor::insertParagraphSeparator() |
| { |
| if (!canEdit()) |
| return false; |
| |
| if (!canEditRichly()) |
| return insertLineBreak(); |
| |
| if (!shouldInsertText("\n", m_frame->selection()->toNormalizedRange().get(), EditorInsertActionTyped)) |
| return true; |
| |
| TypingCommand::insertParagraphSeparator(m_frame->document()); |
| revealSelectionAfterEditingOperation(); |
| return true; |
| } |
| |
| void Editor::cut() |
| { |
| if (tryDHTMLCut()) |
| return; // DHTML did the whole operation |
| if (!canCut()) { |
| systemBeep(); |
| return; |
| } |
| RefPtr<Range> selection = selectedRange(); |
| if (shouldDeleteRange(selection.get())) { |
| Pasteboard::generalPasteboard()->writeSelection(selection.get(), canSmartCopyOrDelete(), m_frame); |
| didWriteSelectionToPasteboard(); |
| deleteSelectionWithSmartDelete(canSmartCopyOrDelete()); |
| } |
| } |
| |
| void Editor::copy() |
| { |
| if (tryDHTMLCopy()) |
| return; // DHTML did the whole operation |
| if (!canCopy()) { |
| systemBeep(); |
| return; |
| } |
| |
| Document* document = m_frame->document(); |
| if (HTMLImageElement* imageElement = imageElementFromImageDocument(document)) |
| Pasteboard::generalPasteboard()->writeImage(imageElement, document->url(), document->title()); |
| else |
| Pasteboard::generalPasteboard()->writeSelection(selectedRange().get(), canSmartCopyOrDelete(), m_frame); |
| |
| didWriteSelectionToPasteboard(); |
| } |
| |
| #if !PLATFORM(MAC) |
| |
| void Editor::paste() |
| { |
| ASSERT(m_frame->document()); |
| if (tryDHTMLPaste()) |
| return; // DHTML did the whole operation |
| if (!canPaste()) |
| return; |
| DocLoader* loader = m_frame->document()->docLoader(); |
| loader->setAllowStaleResources(true); |
| if (m_frame->selection()->isContentRichlyEditable()) |
| pasteWithPasteboard(Pasteboard::generalPasteboard(), true); |
| else |
| pasteAsPlainTextWithPasteboard(Pasteboard::generalPasteboard()); |
| loader->setAllowStaleResources(false); |
| } |
| |
| #endif |
| |
| void Editor::pasteAsPlainText() |
| { |
| if (!canPaste()) |
| return; |
| pasteAsPlainTextWithPasteboard(Pasteboard::generalPasteboard()); |
| } |
| |
| void Editor::performDelete() |
| { |
| if (!canDelete()) { |
| systemBeep(); |
| return; |
| } |
| |
| addToKillRing(selectedRange().get(), false); |
| deleteSelectionWithSmartDelete(canSmartCopyOrDelete()); |
| |
| // clear the "start new kill ring sequence" setting, because it was set to true |
| // when the selection was updated by deleting the range |
| setStartNewKillRingSequence(false); |
| } |
| |
| void Editor::copyURL(const KURL& url, const String& title) |
| { |
| Pasteboard::generalPasteboard()->writeURL(url, title, m_frame); |
| } |
| |
| void Editor::copyImage(const HitTestResult& result) |
| { |
| KURL url = result.absoluteLinkURL(); |
| if (url.isEmpty()) |
| url = result.absoluteImageURL(); |
| |
| Pasteboard::generalPasteboard()->writeImage(result.innerNonSharedNode(), url, result.altDisplayString()); |
| } |
| |
| bool Editor::isContinuousSpellCheckingEnabled() |
| { |
| return client() && client()->isContinuousSpellCheckingEnabled(); |
| } |
| |
| void Editor::toggleContinuousSpellChecking() |
| { |
| if (client()) |
| client()->toggleContinuousSpellChecking(); |
| } |
| |
| bool Editor::isGrammarCheckingEnabled() |
| { |
| return client() && client()->isGrammarCheckingEnabled(); |
| } |
| |
| void Editor::toggleGrammarChecking() |
| { |
| if (client()) |
| client()->toggleGrammarChecking(); |
| } |
| |
| int Editor::spellCheckerDocumentTag() |
| { |
| return client() ? client()->spellCheckerDocumentTag() : 0; |
| } |
| |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| |
| void Editor::uppercaseWord() |
| { |
| if (client()) |
| client()->uppercaseWord(); |
| } |
| |
| void Editor::lowercaseWord() |
| { |
| if (client()) |
| client()->lowercaseWord(); |
| } |
| |
| void Editor::capitalizeWord() |
| { |
| if (client()) |
| client()->capitalizeWord(); |
| } |
| |
| void Editor::showSubstitutionsPanel() |
| { |
| if (!client()) { |
| LOG_ERROR("No NSSpellChecker"); |
| return; |
| } |
| |
| if (client()->substitutionsPanelIsShowing()) { |
| client()->showSubstitutionsPanel(false); |
| return; |
| } |
| client()->showSubstitutionsPanel(true); |
| } |
| |
| bool Editor::substitutionsPanelIsShowing() |
| { |
| if (!client()) |
| return false; |
| return client()->substitutionsPanelIsShowing(); |
| } |
| |
| void Editor::toggleSmartInsertDelete() |
| { |
| if (client()) |
| client()->toggleSmartInsertDelete(); |
| } |
| |
| bool Editor::isAutomaticQuoteSubstitutionEnabled() |
| { |
| return client() && client()->isAutomaticQuoteSubstitutionEnabled(); |
| } |
| |
| void Editor::toggleAutomaticQuoteSubstitution() |
| { |
| if (client()) |
| client()->toggleAutomaticQuoteSubstitution(); |
| } |
| |
| bool Editor::isAutomaticLinkDetectionEnabled() |
| { |
| return client() && client()->isAutomaticLinkDetectionEnabled(); |
| } |
| |
| void Editor::toggleAutomaticLinkDetection() |
| { |
| if (client()) |
| client()->toggleAutomaticLinkDetection(); |
| } |
| |
| bool Editor::isAutomaticDashSubstitutionEnabled() |
| { |
| return client() && client()->isAutomaticDashSubstitutionEnabled(); |
| } |
| |
| void Editor::toggleAutomaticDashSubstitution() |
| { |
| if (client()) |
| client()->toggleAutomaticDashSubstitution(); |
| } |
| |
| bool Editor::isAutomaticTextReplacementEnabled() |
| { |
| return client() && client()->isAutomaticTextReplacementEnabled(); |
| } |
| |
| void Editor::toggleAutomaticTextReplacement() |
| { |
| if (client()) |
| client()->toggleAutomaticTextReplacement(); |
| } |
| |
| bool Editor::isAutomaticSpellingCorrectionEnabled() |
| { |
| return client() && client()->isAutomaticSpellingCorrectionEnabled(); |
| } |
| |
| void Editor::toggleAutomaticSpellingCorrection() |
| { |
| if (client()) |
| client()->toggleAutomaticSpellingCorrection(); |
| } |
| |
| #endif |
| |
| bool Editor::shouldEndEditing(Range* range) |
| { |
| return client() && client()->shouldEndEditing(range); |
| } |
| |
| bool Editor::shouldBeginEditing(Range* range) |
| { |
| return client() && client()->shouldBeginEditing(range); |
| } |
| |
| void Editor::clearUndoRedoOperations() |
| { |
| if (client()) |
| client()->clearUndoRedoOperations(); |
| } |
| |
| bool Editor::canUndo() |
| { |
| return client() && client()->canUndo(); |
| } |
| |
| void Editor::undo() |
| { |
| if (client()) |
| client()->undo(); |
| } |
| |
| bool Editor::canRedo() |
| { |
| return client() && client()->canRedo(); |
| } |
| |
| void Editor::redo() |
| { |
| if (client()) |
| client()->redo(); |
| } |
| |
| void Editor::didBeginEditing() |
| { |
| if (client()) |
| client()->didBeginEditing(); |
| } |
| |
| void Editor::didEndEditing() |
| { |
| if (client()) |
| client()->didEndEditing(); |
| } |
| |
| void Editor::didWriteSelectionToPasteboard() |
| { |
| if (client()) |
| client()->didWriteSelectionToPasteboard(); |
| } |
| |
| void Editor::toggleBold() |
| { |
| command("ToggleBold").execute(); |
| } |
| |
| void Editor::toggleUnderline() |
| { |
| command("ToggleUnderline").execute(); |
| } |
| |
| void Editor::setBaseWritingDirection(WritingDirection direction) |
| { |
| Node* focusedNode = frame()->document()->focusedNode(); |
| if (focusedNode && (focusedNode->hasTagName(textareaTag) |
| || (focusedNode->hasTagName(inputTag) && (static_cast<HTMLInputElement*>(focusedNode)->inputType() == HTMLInputElement::TEXT |
| || static_cast<HTMLInputElement*>(focusedNode)->inputType() == HTMLInputElement::SEARCH)))) { |
| if (direction == NaturalWritingDirection) |
| return; |
| static_cast<HTMLElement*>(focusedNode)->setAttribute(dirAttr, direction == LeftToRightWritingDirection ? "ltr" : "rtl"); |
| frame()->document()->updateStyleIfNeeded(); |
| return; |
| } |
| |
| RefPtr<CSSMutableStyleDeclaration> style = CSSMutableStyleDeclaration::create(); |
| style->setProperty(CSSPropertyDirection, direction == LeftToRightWritingDirection ? "ltr" : direction == RightToLeftWritingDirection ? "rtl" : "inherit", false); |
| applyParagraphStyleToSelection(style.get(), EditActionSetWritingDirection); |
| } |
| |
| void Editor::selectComposition() |
| { |
| RefPtr<Range> range = compositionRange(); |
| if (!range) |
| return; |
| |
| // The composition can start inside a composed character sequence, so we have to override checks. |
| // See <http://bugs.webkit.org/show_bug.cgi?id=15781> |
| VisibleSelection selection; |
| selection.setWithoutValidation(range->startPosition(), range->endPosition()); |
| m_frame->selection()->setSelection(selection, false, false); |
| } |
| |
| void Editor::confirmComposition() |
| { |
| if (!m_compositionNode) |
| return; |
| confirmComposition(m_compositionNode->data().substring(m_compositionStart, m_compositionEnd - m_compositionStart), false); |
| } |
| |
| void Editor::confirmCompositionWithoutDisturbingSelection() |
| { |
| if (!m_compositionNode) |
| return; |
| confirmComposition(m_compositionNode->data().substring(m_compositionStart, m_compositionEnd - m_compositionStart), true); |
| } |
| |
| void Editor::confirmComposition(const String& text) |
| { |
| confirmComposition(text, false); |
| } |
| |
| void Editor::confirmComposition(const String& text, bool preserveSelection) |
| { |
| setIgnoreCompositionSelectionChange(true); |
| |
| VisibleSelection oldSelection = m_frame->selection()->selection(); |
| |
| selectComposition(); |
| |
| if (m_frame->selection()->isNone()) { |
| setIgnoreCompositionSelectionChange(false); |
| return; |
| } |
| |
| // If text is empty, then delete the old composition here. If text is non-empty, InsertTextCommand::input |
| // will delete the old composition with an optimized replace operation. |
| if (text.isEmpty()) |
| TypingCommand::deleteSelection(m_frame->document(), false); |
| |
| m_compositionNode = 0; |
| m_customCompositionUnderlines.clear(); |
| |
| insertText(text, 0); |
| |
| if (preserveSelection) |
| m_frame->selection()->setSelection(oldSelection, false, false); |
| |
| setIgnoreCompositionSelectionChange(false); |
| } |
| |
| void Editor::setComposition(const String& text, const Vector<CompositionUnderline>& underlines, unsigned selectionStart, unsigned selectionEnd) |
| { |
| setIgnoreCompositionSelectionChange(true); |
| |
| selectComposition(); |
| |
| if (m_frame->selection()->isNone()) { |
| setIgnoreCompositionSelectionChange(false); |
| return; |
| } |
| |
| // If text is empty, then delete the old composition here. If text is non-empty, InsertTextCommand::input |
| // will delete the old composition with an optimized replace operation. |
| if (text.isEmpty()) |
| TypingCommand::deleteSelection(m_frame->document(), false); |
| |
| m_compositionNode = 0; |
| m_customCompositionUnderlines.clear(); |
| |
| if (!text.isEmpty()) { |
| TypingCommand::insertText(m_frame->document(), text, true, true); |
| |
| Node* baseNode = m_frame->selection()->base().node(); |
| unsigned baseOffset = m_frame->selection()->base().deprecatedEditingOffset(); |
| Node* extentNode = m_frame->selection()->extent().node(); |
| unsigned extentOffset = m_frame->selection()->extent().deprecatedEditingOffset(); |
| |
| if (baseNode && baseNode == extentNode && baseNode->isTextNode() && baseOffset + text.length() == extentOffset) { |
| m_compositionNode = static_cast<Text*>(baseNode); |
| m_compositionStart = baseOffset; |
| m_compositionEnd = extentOffset; |
| m_customCompositionUnderlines = underlines; |
| size_t numUnderlines = m_customCompositionUnderlines.size(); |
| for (size_t i = 0; i < numUnderlines; ++i) { |
| m_customCompositionUnderlines[i].startOffset += baseOffset; |
| m_customCompositionUnderlines[i].endOffset += baseOffset; |
| } |
| if (baseNode->renderer()) |
| baseNode->renderer()->repaint(); |
| |
| unsigned start = min(baseOffset + selectionStart, extentOffset); |
| unsigned end = min(max(start, baseOffset + selectionEnd), extentOffset); |
| RefPtr<Range> selectedRange = Range::create(baseNode->document(), baseNode, start, baseNode, end); |
| m_frame->selection()->setSelectedRange(selectedRange.get(), DOWNSTREAM, false); |
| } |
| } |
| |
| setIgnoreCompositionSelectionChange(false); |
| } |
| |
| void Editor::ignoreSpelling() |
| { |
| if (!client()) |
| return; |
| |
| RefPtr<Range> selectedRange = frame()->selection()->toNormalizedRange(); |
| if (selectedRange) |
| frame()->document()->removeMarkers(selectedRange.get(), DocumentMarker::Spelling); |
| |
| String text = frame()->selectedText(); |
| ASSERT(text.length() != 0); |
| client()->ignoreWordInSpellDocument(text); |
| } |
| |
| void Editor::learnSpelling() |
| { |
| if (!client()) |
| return; |
| |
| // FIXME: We don't call this on the Mac, and it should remove misppelling markers around the |
| // learned word, see <rdar://problem/5396072>. |
| |
| String text = frame()->selectedText(); |
| ASSERT(text.length() != 0); |
| client()->learnWord(text); |
| } |
| |
| static String findFirstMisspellingInRange(EditorClient* client, Range* searchRange, int& firstMisspellingOffset, bool markAll, RefPtr<Range>& firstMisspellingRange) |
| { |
| ASSERT_ARG(client, client); |
| ASSERT_ARG(searchRange, searchRange); |
| |
| WordAwareIterator it(searchRange); |
| firstMisspellingOffset = 0; |
| |
| String firstMisspelling; |
| int currentChunkOffset = 0; |
| |
| while (!it.atEnd()) { |
| const UChar* chars = it.characters(); |
| int len = it.length(); |
| |
| // Skip some work for one-space-char hunks |
| if (!(len == 1 && chars[0] == ' ')) { |
| |
| int misspellingLocation = -1; |
| int misspellingLength = 0; |
| client->checkSpellingOfString(chars, len, &misspellingLocation, &misspellingLength); |
| |
| // 5490627 shows that there was some code path here where the String constructor below crashes. |
| // We don't know exactly what combination of bad input caused this, so we're making this much |
| // more robust against bad input on release builds. |
| ASSERT(misspellingLength >= 0); |
| ASSERT(misspellingLocation >= -1); |
| ASSERT(misspellingLength == 0 || misspellingLocation >= 0); |
| ASSERT(misspellingLocation < len); |
| ASSERT(misspellingLength <= len); |
| ASSERT(misspellingLocation + misspellingLength <= len); |
| |
| if (misspellingLocation >= 0 && misspellingLength > 0 && misspellingLocation < len && misspellingLength <= len && misspellingLocation + misspellingLength <= len) { |
| |
| // Compute range of misspelled word |
| RefPtr<Range> misspellingRange = TextIterator::subrange(searchRange, currentChunkOffset + misspellingLocation, misspellingLength); |
| |
| // Remember first-encountered misspelling and its offset. |
| if (!firstMisspelling) { |
| firstMisspellingOffset = currentChunkOffset + misspellingLocation; |
| firstMisspelling = String(chars + misspellingLocation, misspellingLength); |
| firstMisspellingRange = misspellingRange; |
| } |
| |
| // Store marker for misspelled word. |
| ExceptionCode ec = 0; |
| misspellingRange->startContainer(ec)->document()->addMarker(misspellingRange.get(), DocumentMarker::Spelling); |
| ASSERT(ec == 0); |
| |
| // Bail out if we're marking only the first misspelling, and not all instances. |
| if (!markAll) |
| break; |
| } |
| } |
| |
| currentChunkOffset += len; |
| it.advance(); |
| } |
| |
| return firstMisspelling; |
| } |
| |
| #ifndef BUILDING_ON_TIGER |
| |
| static PassRefPtr<Range> paragraphAlignedRangeForRange(Range* arbitraryRange, int& offsetIntoParagraphAlignedRange, String& paragraphString) |
| { |
| ASSERT_ARG(arbitraryRange, arbitraryRange); |
| |
| ExceptionCode ec = 0; |
| |
| // Expand range to paragraph boundaries |
| RefPtr<Range> paragraphRange = arbitraryRange->cloneRange(ec); |
| setStart(paragraphRange.get(), startOfParagraph(arbitraryRange->startPosition())); |
| setEnd(paragraphRange.get(), endOfParagraph(arbitraryRange->endPosition())); |
| |
| // Compute offset from start of expanded range to start of original range |
| RefPtr<Range> offsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), paragraphRange->startPosition(), arbitraryRange->startPosition()); |
| offsetIntoParagraphAlignedRange = TextIterator::rangeLength(offsetAsRange.get()); |
| |
| // Fill in out parameter with string representing entire paragraph range. |
| // Someday we might have a caller that doesn't use this, but for now all callers do. |
| paragraphString = plainText(paragraphRange.get()); |
| |
| return paragraphRange; |
| } |
| |
| static int findFirstGrammarDetailInRange(const Vector<GrammarDetail>& grammarDetails, int badGrammarPhraseLocation, int /*badGrammarPhraseLength*/, Range *searchRange, int startOffset, int endOffset, bool markAll) |
| { |
| // Found some bad grammar. Find the earliest detail range that starts in our search range (if any). |
| // Optionally add a DocumentMarker for each detail in the range. |
| int earliestDetailLocationSoFar = -1; |
| int earliestDetailIndex = -1; |
| for (unsigned i = 0; i < grammarDetails.size(); i++) { |
| const GrammarDetail* detail = &grammarDetails[i]; |
| ASSERT(detail->length > 0 && detail->location >= 0); |
| |
| int detailStartOffsetInParagraph = badGrammarPhraseLocation + detail->location; |
| |
| // Skip this detail if it starts before the original search range |
| if (detailStartOffsetInParagraph < startOffset) |
| continue; |
| |
| // Skip this detail if it starts after the original search range |
| if (detailStartOffsetInParagraph >= endOffset) |
| continue; |
| |
| if (markAll) { |
| RefPtr<Range> badGrammarRange = TextIterator::subrange(searchRange, badGrammarPhraseLocation - startOffset + detail->location, detail->length); |
| ExceptionCode ec = 0; |
| badGrammarRange->startContainer(ec)->document()->addMarker(badGrammarRange.get(), DocumentMarker::Grammar, detail->userDescription); |
| ASSERT(ec == 0); |
| } |
| |
| // Remember this detail only if it's earlier than our current candidate (the details aren't in a guaranteed order) |
| if (earliestDetailIndex < 0 || earliestDetailLocationSoFar > detail->location) { |
| earliestDetailIndex = i; |
| earliestDetailLocationSoFar = detail->location; |
| } |
| } |
| |
| return earliestDetailIndex; |
| } |
| |
| static String findFirstBadGrammarInRange(EditorClient* client, Range* searchRange, GrammarDetail& outGrammarDetail, int& outGrammarPhraseOffset, bool markAll) |
| { |
| ASSERT_ARG(client, client); |
| ASSERT_ARG(searchRange, searchRange); |
| |
| // Initialize out parameters; these will be updated if we find something to return. |
| outGrammarDetail.location = -1; |
| outGrammarDetail.length = 0; |
| outGrammarDetail.guesses.clear(); |
| outGrammarDetail.userDescription = ""; |
| outGrammarPhraseOffset = 0; |
| |
| String firstBadGrammarPhrase; |
| |
| // Expand the search range to encompass entire paragraphs, since grammar checking needs that much context. |
| // Determine the character offset from the start of the paragraph to the start of the original search range, |
| // since we will want to ignore results in this area. |
| int searchRangeStartOffset; |
| String paragraphString; |
| RefPtr<Range> paragraphRange = paragraphAlignedRangeForRange(searchRange, searchRangeStartOffset, paragraphString); |
| |
| // Determine the character offset from the start of the paragraph to the end of the original search range, |
| // since we will want to ignore results in this area also. |
| int searchRangeEndOffset = searchRangeStartOffset + TextIterator::rangeLength(searchRange); |
| |
| // Start checking from beginning of paragraph, but skip past results that occur before the start of the original search range. |
| int startOffset = 0; |
| while (startOffset < searchRangeEndOffset) { |
| Vector<GrammarDetail> grammarDetails; |
| int badGrammarPhraseLocation = -1; |
| int badGrammarPhraseLength = 0; |
| client->checkGrammarOfString(paragraphString.characters() + startOffset, paragraphString.length() - startOffset, grammarDetails, &badGrammarPhraseLocation, &badGrammarPhraseLength); |
| |
| if (badGrammarPhraseLength == 0) { |
| ASSERT(badGrammarPhraseLocation == -1); |
| return String(); |
| } |
| |
| ASSERT(badGrammarPhraseLocation >= 0); |
| badGrammarPhraseLocation += startOffset; |
| |
| |
| // Found some bad grammar. Find the earliest detail range that starts in our search range (if any). |
| int badGrammarIndex = findFirstGrammarDetailInRange(grammarDetails, badGrammarPhraseLocation, badGrammarPhraseLength, searchRange, searchRangeStartOffset, searchRangeEndOffset, markAll); |
| if (badGrammarIndex >= 0) { |
| ASSERT(static_cast<unsigned>(badGrammarIndex) < grammarDetails.size()); |
| outGrammarDetail = grammarDetails[badGrammarIndex]; |
| } |
| |
| // If we found a detail in range, then we have found the first bad phrase (unless we found one earlier but |
| // kept going so we could mark all instances). |
| if (badGrammarIndex >= 0 && firstBadGrammarPhrase.isEmpty()) { |
| outGrammarPhraseOffset = badGrammarPhraseLocation - searchRangeStartOffset; |
| firstBadGrammarPhrase = paragraphString.substring(badGrammarPhraseLocation, badGrammarPhraseLength); |
| |
| // Found one. We're done now, unless we're marking each instance. |
| if (!markAll) |
| break; |
| } |
| |
| // These results were all between the start of the paragraph and the start of the search range; look |
| // beyond this phrase. |
| startOffset = badGrammarPhraseLocation + badGrammarPhraseLength; |
| } |
| |
| return firstBadGrammarPhrase; |
| } |
| |
| #endif /* not BUILDING_ON_TIGER */ |
| |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| |
| static String findFirstMisspellingOrBadGrammarInRange(EditorClient* client, Range* searchRange, bool checkGrammar, bool& outIsSpelling, int& outFirstFoundOffset, GrammarDetail& outGrammarDetail) |
| { |
| ASSERT_ARG(client, client); |
| ASSERT_ARG(searchRange, searchRange); |
| |
| String firstFoundItem; |
| String misspelledWord; |
| String badGrammarPhrase; |
| ExceptionCode ec = 0; |
| |
| // Initialize out parameters; these will be updated if we find something to return. |
| outIsSpelling = true; |
| outFirstFoundOffset = 0; |
| outGrammarDetail.location = -1; |
| outGrammarDetail.length = 0; |
| outGrammarDetail.guesses.clear(); |
| outGrammarDetail.userDescription = ""; |
| |
| // Expand the search range to encompass entire paragraphs, since text checking needs that much context. |
| // Determine the character offset from the start of the paragraph to the start of the original search range, |
| // since we will want to ignore results in this area. |
| RefPtr<Range> paragraphRange = searchRange->cloneRange(ec); |
| setStart(paragraphRange.get(), startOfParagraph(searchRange->startPosition())); |
| int totalRangeLength = TextIterator::rangeLength(paragraphRange.get()); |
| setEnd(paragraphRange.get(), endOfParagraph(searchRange->startPosition())); |
| |
| RefPtr<Range> offsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), paragraphRange->startPosition(), searchRange->startPosition()); |
| int searchRangeStartOffset = TextIterator::rangeLength(offsetAsRange.get()); |
| int totalLengthProcessed = 0; |
| |
| bool firstIteration = true; |
| bool lastIteration = false; |
| while (totalLengthProcessed < totalRangeLength) { |
| // Iterate through the search range by paragraphs, checking each one for spelling and grammar. |
| int currentLength = TextIterator::rangeLength(paragraphRange.get()); |
| int currentStartOffset = firstIteration ? searchRangeStartOffset : 0; |
| int currentEndOffset = currentLength; |
| if (inSameParagraph(paragraphRange->startPosition(), searchRange->endPosition())) { |
| // Determine the character offset from the end of the original search range to the end of the paragraph, |
| // since we will want to ignore results in this area. |
| RefPtr<Range> endOffsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), paragraphRange->startPosition(), searchRange->endPosition()); |
| currentEndOffset = TextIterator::rangeLength(endOffsetAsRange.get()); |
| lastIteration = true; |
| } |
| if (currentStartOffset < currentEndOffset) { |
| String paragraphString = plainText(paragraphRange.get()); |
| if (paragraphString.length() > 0) { |
| bool foundGrammar = false; |
| int spellingLocation = 0; |
| int grammarPhraseLocation = 0; |
| int grammarDetailLocation = 0; |
| unsigned grammarDetailIndex = 0; |
| |
| Vector<TextCheckingResult> results; |
| uint64_t checkingTypes = checkGrammar ? (TextCheckingTypeSpelling | TextCheckingTypeGrammar) : TextCheckingTypeSpelling; |
| client->checkTextOfParagraph(paragraphString.characters(), paragraphString.length(), checkingTypes, results); |
| |
| for (unsigned i = 0; i < results.size(); i++) { |
| const TextCheckingResult* result = &results[i]; |
| if (result->type == TextCheckingTypeSpelling && result->location >= currentStartOffset && result->location + result->length <= currentEndOffset) { |
| ASSERT(result->length > 0 && result->location >= 0); |
| spellingLocation = result->location; |
| misspelledWord = paragraphString.substring(result->location, result->length); |
| ASSERT(misspelledWord.length() != 0); |
| break; |
| } else if (checkGrammar && result->type == TextCheckingTypeGrammar && result->location < currentEndOffset && result->location + result->length > currentStartOffset) { |
| ASSERT(result->length > 0 && result->location >= 0); |
| // We can't stop after the first grammar result, since there might still be a spelling result after |
| // it begins but before the first detail in it, but we can stop if we find a second grammar result. |
| if (foundGrammar) break; |
| for (unsigned j = 0; j < result->details.size(); j++) { |
| const GrammarDetail* detail = &result->details[j]; |
| ASSERT(detail->length > 0 && detail->location >= 0); |
| if (result->location + detail->location >= currentStartOffset && result->location + detail->location + detail->length <= currentEndOffset && (!foundGrammar || result->location + detail->location < grammarDetailLocation)) { |
| grammarDetailIndex = j; |
| grammarDetailLocation = result->location + detail->location; |
| foundGrammar = true; |
| } |
| } |
| if (foundGrammar) { |
| grammarPhraseLocation = result->location; |
| outGrammarDetail = result->details[grammarDetailIndex]; |
| badGrammarPhrase = paragraphString.substring(result->location, result->length); |
| ASSERT(badGrammarPhrase.length() != 0); |
| } |
| } |
| } |
| |
| if (!misspelledWord.isEmpty() && (!checkGrammar || badGrammarPhrase.isEmpty() || spellingLocation <= grammarDetailLocation)) { |
| int spellingOffset = spellingLocation - currentStartOffset; |
| if (!firstIteration) { |
| RefPtr<Range> paragraphOffsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), searchRange->startPosition(), paragraphRange->startPosition()); |
| spellingOffset += TextIterator::rangeLength(paragraphOffsetAsRange.get()); |
| } |
| outIsSpelling = true; |
| outFirstFoundOffset = spellingOffset; |
| firstFoundItem = misspelledWord; |
| break; |
| } else if (checkGrammar && !badGrammarPhrase.isEmpty()) { |
| int grammarPhraseOffset = grammarPhraseLocation - currentStartOffset; |
| if (!firstIteration) { |
| RefPtr<Range> paragraphOffsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), searchRange->startPosition(), paragraphRange->startPosition()); |
| grammarPhraseOffset += TextIterator::rangeLength(paragraphOffsetAsRange.get()); |
| } |
| outIsSpelling = false; |
| outFirstFoundOffset = grammarPhraseOffset; |
| firstFoundItem = badGrammarPhrase; |
| break; |
| } |
| } |
| } |
| if (lastIteration || totalLengthProcessed + currentLength >= totalRangeLength) |
| break; |
| setStart(paragraphRange.get(), startOfNextParagraph(paragraphRange->endPosition())); |
| setEnd(paragraphRange.get(), endOfParagraph(paragraphRange->startPosition())); |
| firstIteration = false; |
| totalLengthProcessed += currentLength; |
| } |
| return firstFoundItem; |
| } |
| |
| #endif |
| |
| void Editor::advanceToNextMisspelling(bool startBeforeSelection) |
| { |
| ExceptionCode ec = 0; |
| |
| // The basic approach is to search in two phases - from the selection end to the end of the doc, and |
| // then we wrap and search from the doc start to (approximately) where we started. |
| |
| // Start at the end of the selection, search to edge of document. Starting at the selection end makes |
| // repeated "check spelling" commands work. |
| VisibleSelection selection(frame()->selection()->selection()); |
| RefPtr<Range> spellingSearchRange(rangeOfContents(frame()->document())); |
| bool startedWithSelection = false; |
| if (selection.start().node()) { |
| startedWithSelection = true; |
| if (startBeforeSelection) { |
| VisiblePosition start(selection.visibleStart()); |
| // We match AppKit's rule: Start 1 character before the selection. |
| VisiblePosition oneBeforeStart = start.previous(); |
| setStart(spellingSearchRange.get(), oneBeforeStart.isNotNull() ? oneBeforeStart : start); |
| } else |
| setStart(spellingSearchRange.get(), selection.visibleEnd()); |
| } |
| |
| Position position = spellingSearchRange->startPosition(); |
| if (!isEditablePosition(position)) { |
| // This shouldn't happen in very often because the Spelling menu items aren't enabled unless the |
| // selection is editable. |
| // This can happen in Mail for a mix of non-editable and editable content (like Stationary), |
| // when spell checking the whole document before sending the message. |
| // In that case the document might not be editable, but there are editable pockets that need to be spell checked. |
| |
| position = firstEditablePositionAfterPositionInRoot(position, frame()->document()->documentElement()).deepEquivalent(); |
| if (position.isNull()) |
| return; |
| |
| Position rangeCompliantPosition = rangeCompliantEquivalent(position); |
| spellingSearchRange->setStart(rangeCompliantPosition.node(), rangeCompliantPosition.deprecatedEditingOffset(), ec); |
| startedWithSelection = false; // won't need to wrap |
| } |
| |
| // topNode defines the whole range we want to operate on |
| Node* topNode = highestEditableRoot(position); |
| // FIXME: lastOffsetForEditing() is wrong here if editingIgnoresContent(highestEditableRoot()) returns true (e.g. a <table>) |
| spellingSearchRange->setEnd(topNode, lastOffsetForEditing(topNode), ec); |
| |
| // If spellingSearchRange starts in the middle of a word, advance to the next word so we start checking |
| // at a word boundary. Going back by one char and then forward by a word does the trick. |
| if (startedWithSelection) { |
| VisiblePosition oneBeforeStart = startVisiblePosition(spellingSearchRange.get(), DOWNSTREAM).previous(); |
| if (oneBeforeStart.isNotNull()) { |
| setStart(spellingSearchRange.get(), endOfWord(oneBeforeStart)); |
| } // else we were already at the start of the editable node |
| } |
| |
| if (spellingSearchRange->collapsed(ec)) |
| return; // nothing to search in |
| |
| // Get the spell checker if it is available |
| if (!client()) |
| return; |
| |
| // We go to the end of our first range instead of the start of it, just to be sure |
| // we don't get foiled by any word boundary problems at the start. It means we might |
| // do a tiny bit more searching. |
| Node *searchEndNodeAfterWrap = spellingSearchRange->endContainer(ec); |
| int searchEndOffsetAfterWrap = spellingSearchRange->endOffset(ec); |
| |
| int misspellingOffset = 0; |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| RefPtr<Range> grammarSearchRange = spellingSearchRange->cloneRange(ec); |
| String misspelledWord; |
| String badGrammarPhrase; |
| int grammarPhraseOffset = 0; |
| bool isSpelling = true; |
| int foundOffset = 0; |
| GrammarDetail grammarDetail; |
| String foundItem = findFirstMisspellingOrBadGrammarInRange(client(), spellingSearchRange.get(), isGrammarCheckingEnabled(), isSpelling, foundOffset, grammarDetail); |
| if (isSpelling) { |
| misspelledWord = foundItem; |
| misspellingOffset = foundOffset; |
| } else { |
| badGrammarPhrase = foundItem; |
| grammarPhraseOffset = foundOffset; |
| } |
| #else |
| RefPtr<Range> firstMisspellingRange; |
| String misspelledWord = findFirstMisspellingInRange(client(), spellingSearchRange.get(), misspellingOffset, false, firstMisspellingRange); |
| String badGrammarPhrase; |
| |
| #ifndef BUILDING_ON_TIGER |
| int grammarPhraseOffset = 0; |
| GrammarDetail grammarDetail; |
| |
| // Search for bad grammar that occurs prior to the next misspelled word (if any) |
| RefPtr<Range> grammarSearchRange = spellingSearchRange->cloneRange(ec); |
| if (!misspelledWord.isEmpty()) { |
| // Stop looking at start of next misspelled word |
| CharacterIterator chars(grammarSearchRange.get()); |
| chars.advance(misspellingOffset); |
| grammarSearchRange->setEnd(chars.range()->startContainer(ec), chars.range()->startOffset(ec), ec); |
| } |
| |
| if (isGrammarCheckingEnabled()) |
| badGrammarPhrase = findFirstBadGrammarInRange(client(), grammarSearchRange.get(), grammarDetail, grammarPhraseOffset, false); |
| #endif |
| #endif |
| |
| // If we found neither bad grammar nor a misspelled word, wrap and try again (but don't bother if we started at the beginning of the |
| // block rather than at a selection). |
| if (startedWithSelection && !misspelledWord && !badGrammarPhrase) { |
| spellingSearchRange->setStart(topNode, 0, ec); |
| // going until the end of the very first chunk we tested is far enough |
| spellingSearchRange->setEnd(searchEndNodeAfterWrap, searchEndOffsetAfterWrap, ec); |
| |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| grammarSearchRange = spellingSearchRange->cloneRange(ec); |
| foundItem = findFirstMisspellingOrBadGrammarInRange(client(), spellingSearchRange.get(), isGrammarCheckingEnabled(), isSpelling, foundOffset, grammarDetail); |
| if (isSpelling) { |
| misspelledWord = foundItem; |
| misspellingOffset = foundOffset; |
| } else { |
| badGrammarPhrase = foundItem; |
| grammarPhraseOffset = foundOffset; |
| } |
| #else |
| misspelledWord = findFirstMisspellingInRange(client(), spellingSearchRange.get(), misspellingOffset, false, firstMisspellingRange); |
| |
| #ifndef BUILDING_ON_TIGER |
| grammarSearchRange = spellingSearchRange->cloneRange(ec); |
| if (!misspelledWord.isEmpty()) { |
| // Stop looking at start of next misspelled word |
| CharacterIterator chars(grammarSearchRange.get()); |
| chars.advance(misspellingOffset); |
| grammarSearchRange->setEnd(chars.range()->startContainer(ec), chars.range()->startOffset(ec), ec); |
| } |
| if (isGrammarCheckingEnabled()) |
| badGrammarPhrase = findFirstBadGrammarInRange(client(), grammarSearchRange.get(), grammarDetail, grammarPhraseOffset, false); |
| #endif |
| #endif |
| } |
| |
| if (!badGrammarPhrase.isEmpty()) { |
| #ifdef BUILDING_ON_TIGER |
| ASSERT_NOT_REACHED(); |
| #else |
| // We found bad grammar. Since we only searched for bad grammar up to the first misspelled word, the bad grammar |
| // takes precedence and we ignore any potential misspelled word. Select the grammar detail, update the spelling |
| // panel, and store a marker so we draw the green squiggle later. |
| |
| ASSERT(badGrammarPhrase.length() > 0); |
| ASSERT(grammarDetail.location != -1 && grammarDetail.length > 0); |
| |
| // FIXME 4859190: This gets confused with doubled punctuation at the end of a paragraph |
| RefPtr<Range> badGrammarRange = TextIterator::subrange(grammarSearchRange.get(), grammarPhraseOffset + grammarDetail.location, grammarDetail.length); |
| frame()->selection()->setSelection(VisibleSelection(badGrammarRange.get(), SEL_DEFAULT_AFFINITY)); |
| frame()->revealSelection(); |
| |
| client()->updateSpellingUIWithGrammarString(badGrammarPhrase, grammarDetail); |
| frame()->document()->addMarker(badGrammarRange.get(), DocumentMarker::Grammar, grammarDetail.userDescription); |
| #endif |
| } else if (!misspelledWord.isEmpty()) { |
| // We found a misspelling, but not any earlier bad grammar. Select the misspelling, update the spelling panel, and store |
| // a marker so we draw the red squiggle later. |
| |
| RefPtr<Range> misspellingRange = TextIterator::subrange(spellingSearchRange.get(), misspellingOffset, misspelledWord.length()); |
| frame()->selection()->setSelection(VisibleSelection(misspellingRange.get(), DOWNSTREAM)); |
| frame()->revealSelection(); |
| |
| client()->updateSpellingUIWithMisspelledWord(misspelledWord); |
| frame()->document()->addMarker(misspellingRange.get(), DocumentMarker::Spelling); |
| } |
| } |
| |
| bool Editor::isSelectionMisspelled() |
| { |
| String selectedString = frame()->selectedText(); |
| int length = selectedString.length(); |
| if (length == 0) |
| return false; |
| |
| if (!client()) |
| return false; |
| |
| int misspellingLocation = -1; |
| int misspellingLength = 0; |
| client()->checkSpellingOfString(selectedString.characters(), length, &misspellingLocation, &misspellingLength); |
| |
| // The selection only counts as misspelled if the selected text is exactly one misspelled word |
| if (misspellingLength != length) |
| return false; |
| |
| // Update the spelling panel to be displaying this error (whether or not the spelling panel is on screen). |
| // This is necessary to make a subsequent call to [NSSpellChecker ignoreWord:inSpellDocumentWithTag:] work |
| // correctly; that call behaves differently based on whether the spelling panel is displaying a misspelling |
| // or a grammar error. |
| client()->updateSpellingUIWithMisspelledWord(selectedString); |
| |
| return true; |
| } |
| |
| #ifndef BUILDING_ON_TIGER |
| static bool isRangeUngrammatical(EditorClient* client, Range *range, Vector<String>& guessesVector) |
| { |
| if (!client) |
| return false; |
| |
| ExceptionCode ec; |
| if (!range || range->collapsed(ec)) |
| return false; |
| |
| // Returns true only if the passed range exactly corresponds to a bad grammar detail range. This is analogous |
| // to isSelectionMisspelled. It's not good enough for there to be some bad grammar somewhere in the range, |
| // or overlapping the range; the ranges must exactly match. |
| guessesVector.clear(); |
| int grammarPhraseOffset; |
| |
| GrammarDetail grammarDetail; |
| String badGrammarPhrase = findFirstBadGrammarInRange(client, range, grammarDetail, grammarPhraseOffset, false); |
| |
| // No bad grammar in these parts at all. |
| if (badGrammarPhrase.isEmpty()) |
| return false; |
| |
| // Bad grammar, but phrase (e.g. sentence) starts beyond start of range. |
| if (grammarPhraseOffset > 0) |
| return false; |
| |
| ASSERT(grammarDetail.location >= 0 && grammarDetail.length > 0); |
| |
| // Bad grammar, but start of detail (e.g. ungrammatical word) doesn't match start of range |
| if (grammarDetail.location + grammarPhraseOffset != 0) |
| return false; |
| |
| // Bad grammar at start of range, but end of bad grammar is before or after end of range |
| if (grammarDetail.length != TextIterator::rangeLength(range)) |
| return false; |
| |
| // Update the spelling panel to be displaying this error (whether or not the spelling panel is on screen). |
| // This is necessary to make a subsequent call to [NSSpellChecker ignoreWord:inSpellDocumentWithTag:] work |
| // correctly; that call behaves differently based on whether the spelling panel is displaying a misspelling |
| // or a grammar error. |
| client->updateSpellingUIWithGrammarString(badGrammarPhrase, grammarDetail); |
| |
| return true; |
| } |
| #endif |
| |
| bool Editor::isSelectionUngrammatical() |
| { |
| #ifdef BUILDING_ON_TIGER |
| return false; |
| #else |
| Vector<String> ignoredGuesses; |
| return isRangeUngrammatical(client(), frame()->selection()->toNormalizedRange().get(), ignoredGuesses); |
| #endif |
| } |
| |
| Vector<String> Editor::guessesForUngrammaticalSelection() |
| { |
| #ifdef BUILDING_ON_TIGER |
| return Vector<String>(); |
| #else |
| Vector<String> guesses; |
| // Ignore the result of isRangeUngrammatical; we just want the guesses, whether or not there are any |
| isRangeUngrammatical(client(), frame()->selection()->toNormalizedRange().get(), guesses); |
| return guesses; |
| #endif |
| } |
| |
| Vector<String> Editor::guessesForMisspelledSelection() |
| { |
| String selectedString = frame()->selectedText(); |
| ASSERT(selectedString.length() != 0); |
| |
| Vector<String> guesses; |
| if (client()) |
| client()->getGuessesForWord(selectedString, guesses); |
| return guesses; |
| } |
| |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| |
| static Vector<String> guessesForMisspelledOrUngrammaticalRange(EditorClient* client, Range *range, bool checkGrammar, bool& misspelled, bool& ungrammatical) |
| { |
| Vector<String> guesses; |
| ExceptionCode ec; |
| misspelled = false; |
| ungrammatical = false; |
| |
| if (!client || !range || range->collapsed(ec)) |
| return guesses; |
| |
| // Expand the range to encompass entire paragraphs, since text checking needs that much context. |
| int rangeStartOffset; |
| String paragraphString; |
| RefPtr<Range> paragraphRange = paragraphAlignedRangeForRange(range, rangeStartOffset, paragraphString); |
| int rangeLength = TextIterator::rangeLength(range); |
| if (rangeLength == 0 || paragraphString.length() == 0) |
| return guesses; |
| |
| Vector<TextCheckingResult> results; |
| uint64_t checkingTypes = checkGrammar ? (TextCheckingTypeSpelling | TextCheckingTypeGrammar) : TextCheckingTypeSpelling; |
| client->checkTextOfParagraph(paragraphString.characters(), paragraphString.length(), checkingTypes, results); |
| |
| for (unsigned i = 0; i < results.size(); i++) { |
| const TextCheckingResult* result = &results[i]; |
| if (result->type == TextCheckingTypeSpelling && result->location == rangeStartOffset && result->length == rangeLength) { |
| String misspelledWord = paragraphString.substring(rangeStartOffset, rangeLength); |
| ASSERT(misspelledWord.length() != 0); |
| client->getGuessesForWord(misspelledWord, guesses); |
| client->updateSpellingUIWithMisspelledWord(misspelledWord); |
| misspelled = true; |
| return guesses; |
| } |
| } |
| |
| if (!checkGrammar) |
| return guesses; |
| |
| for (unsigned i = 0; i < results.size(); i++) { |
| const TextCheckingResult* result = &results[i]; |
| if (result->type == TextCheckingTypeGrammar && result->location <= rangeStartOffset && result->location + result->length >= rangeStartOffset + rangeLength) { |
| for (unsigned j = 0; j < result->details.size(); j++) { |
| const GrammarDetail* detail = &result->details[j]; |
| ASSERT(detail->length > 0 && detail->location >= 0); |
| if (result->location + detail->location == rangeStartOffset && detail->length == rangeLength) { |
| String badGrammarPhrase = paragraphString.substring(result->location, result->length); |
| ASSERT(badGrammarPhrase.length() != 0); |
| for (unsigned k = 0; k < detail->guesses.size(); k++) |
| guesses.append(detail->guesses[k]); |
| client->updateSpellingUIWithGrammarString(badGrammarPhrase, *detail); |
| ungrammatical = true; |
| return guesses; |
| } |
| } |
| } |
| } |
| return guesses; |
| } |
| |
| #endif |
| |
| Vector<String> Editor::guessesForMisspelledOrUngrammaticalSelection(bool& misspelled, bool& ungrammatical) |
| { |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| return guessesForMisspelledOrUngrammaticalRange(client(), frame()->selection()->toNormalizedRange().get(), isGrammarCheckingEnabled(), misspelled, ungrammatical); |
| #else |
| misspelled = isSelectionMisspelled(); |
| if (misspelled) { |
| ungrammatical = false; |
| return guessesForMisspelledSelection(); |
| } |
| if (isGrammarCheckingEnabled() && isSelectionUngrammatical()) { |
| ungrammatical = true; |
| return guessesForUngrammaticalSelection(); |
| } |
| ungrammatical = false; |
| return Vector<String>(); |
| #endif |
| } |
| |
| void Editor::showSpellingGuessPanel() |
| { |
| if (!client()) { |
| LOG_ERROR("No NSSpellChecker"); |
| return; |
| } |
| |
| #ifndef BUILDING_ON_TIGER |
| // Post-Tiger, this menu item is a show/hide toggle, to match AppKit. Leave Tiger behavior alone |
| // to match rest of OS X. |
| if (client()->spellingUIIsShowing()) { |
| client()->showSpellingUI(false); |
| return; |
| } |
| #endif |
| |
| advanceToNextMisspelling(true); |
| client()->showSpellingUI(true); |
| } |
| |
| bool Editor::spellingPanelIsShowing() |
| { |
| if (!client()) |
| return false; |
| return client()->spellingUIIsShowing(); |
| } |
| |
| void Editor::markMisspellingsAfterTypingToPosition(const VisiblePosition &p) |
| { |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| bool markSpelling = isContinuousSpellCheckingEnabled(); |
| bool markGrammar = markSpelling && isGrammarCheckingEnabled(); |
| bool performTextCheckingReplacements = isAutomaticQuoteSubstitutionEnabled() |
| || isAutomaticLinkDetectionEnabled() |
| || isAutomaticDashSubstitutionEnabled() |
| || isAutomaticTextReplacementEnabled() |
| || (markSpelling && isAutomaticSpellingCorrectionEnabled()); |
| if (!markSpelling && !performTextCheckingReplacements) |
| return; |
| |
| VisibleSelection adjacentWords = VisibleSelection(startOfWord(p, LeftWordIfOnBoundary), endOfWord(p, RightWordIfOnBoundary)); |
| if (markGrammar) { |
| VisibleSelection selectedSentence = VisibleSelection(startOfSentence(p), endOfSentence(p)); |
| markAllMisspellingsAndBadGrammarInRanges(true, adjacentWords.toNormalizedRange().get(), true, selectedSentence.toNormalizedRange().get(), performTextCheckingReplacements); |
| } else { |
| markAllMisspellingsAndBadGrammarInRanges(markSpelling, adjacentWords.toNormalizedRange().get(), false, adjacentWords.toNormalizedRange().get(), performTextCheckingReplacements); |
| } |
| #else |
| if (!isContinuousSpellCheckingEnabled()) |
| return; |
| |
| // Check spelling of one word |
| RefPtr<Range> misspellingRange; |
| markMisspellings(VisibleSelection(startOfWord(p, LeftWordIfOnBoundary), endOfWord(p, RightWordIfOnBoundary)), misspellingRange); |
| |
| // Autocorrect the misspelled word. |
| if (misspellingRange == 0) |
| return; |
| |
| // Get the misspelled word. |
| const String misspelledWord = plainText(misspellingRange.get()); |
| String autocorrectedString = client()->getAutoCorrectSuggestionForMisspelledWord(misspelledWord); |
| |
| // If autocorrected word is non empty, replace the misspelled word by this word. |
| if (!autocorrectedString.isEmpty()) { |
| VisibleSelection newSelection(misspellingRange.get(), DOWNSTREAM); |
| if (newSelection != frame()->selection()->selection()) { |
| if (!frame()->shouldChangeSelection(newSelection)) |
| return; |
| frame()->selection()->setSelection(newSelection); |
| } |
| |
| if (!frame()->editor()->shouldInsertText(autocorrectedString, misspellingRange.get(), EditorInsertActionTyped)) |
| return; |
| frame()->editor()->replaceSelectionWithText(autocorrectedString, false, false); |
| |
| // Reset the charet one character further. |
| frame()->selection()->moveTo(frame()->selection()->end()); |
| frame()->selection()->modify(SelectionController::MOVE, SelectionController::FORWARD, CharacterGranularity); |
| } |
| |
| if (!isGrammarCheckingEnabled()) |
| return; |
| |
| // Check grammar of entire sentence |
| markBadGrammar(VisibleSelection(startOfSentence(p), endOfSentence(p))); |
| #endif |
| } |
| |
| static void markAllMisspellingsInRange(EditorClient* client, Range* searchRange, RefPtr<Range>& firstMisspellingRange) |
| { |
| // Use the "markAll" feature of findFirstMisspellingInRange. Ignore the return value and the "out parameter"; |
| // all we need to do is mark every instance. |
| int ignoredOffset; |
| findFirstMisspellingInRange(client, searchRange, ignoredOffset, true, firstMisspellingRange); |
| } |
| |
| #ifndef BUILDING_ON_TIGER |
| static void markAllBadGrammarInRange(EditorClient* client, Range* searchRange) |
| { |
| // Use the "markAll" feature of findFirstBadGrammarInRange. Ignore the return value and "out parameters"; all we need to |
| // do is mark every instance. |
| GrammarDetail ignoredGrammarDetail; |
| int ignoredOffset; |
| findFirstBadGrammarInRange(client, searchRange, ignoredGrammarDetail, ignoredOffset, true); |
| } |
| #endif |
| |
| static void markMisspellingsOrBadGrammar(Editor* editor, const VisibleSelection& selection, bool checkSpelling, RefPtr<Range>& firstMisspellingRange) |
| { |
| // This function is called with a selection already expanded to word boundaries. |
| // Might be nice to assert that here. |
| |
| // This function is used only for as-you-type checking, so if that's off we do nothing. Note that |
| // grammar checking can only be on if spell checking is also on. |
| if (!editor->isContinuousSpellCheckingEnabled()) |
| return; |
| |
| RefPtr<Range> searchRange(selection.toNormalizedRange()); |
| if (!searchRange) |
| return; |
| |
| // If we're not in an editable node, bail. |
| Node* editableNode = searchRange->startContainer(); |
| if (!editableNode || !editableNode->isContentEditable()) |
| return; |
| |
| // Ascend the DOM tree to find a "spellcheck" attribute. |
| // When we find a "spellcheck" attribute, retrieve its value and exit if its value is "false". |
| const Node* node = editor->frame()->document()->focusedNode(); |
| while (node) { |
| if (node->isElementNode()) { |
| const WebCore::AtomicString& value = static_cast<const Element*>(node)->getAttribute(spellcheckAttr); |
| if (equalIgnoringCase(value, "true")) |
| break; |
| if (equalIgnoringCase(value, "false")) |
| return; |
| } |
| node = node->parent(); |
| } |
| |
| // Get the spell checker if it is available |
| if (!editor->client()) |
| return; |
| |
| if (checkSpelling) |
| markAllMisspellingsInRange(editor->client(), searchRange.get(), firstMisspellingRange); |
| else { |
| #ifdef BUILDING_ON_TIGER |
| ASSERT_NOT_REACHED(); |
| #else |
| if (editor->isGrammarCheckingEnabled()) |
| markAllBadGrammarInRange(editor->client(), searchRange.get()); |
| #endif |
| } |
| } |
| |
| void Editor::markMisspellings(const VisibleSelection& selection, RefPtr<Range>& firstMisspellingRange) |
| { |
| markMisspellingsOrBadGrammar(this, selection, true, firstMisspellingRange); |
| } |
| |
| void Editor::markBadGrammar(const VisibleSelection& selection) |
| { |
| #ifndef BUILDING_ON_TIGER |
| RefPtr<Range> firstMisspellingRange; |
| markMisspellingsOrBadGrammar(this, selection, false, firstMisspellingRange); |
| #else |
| UNUSED_PARAM(selection); |
| #endif |
| } |
| |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| |
| static inline bool isAmbiguousBoundaryCharacter(UChar character) |
| { |
| // These are characters that can behave as word boundaries, but can appear within words. |
| // If they are just typed, i.e. if they are immediately followed by a caret, we want to delay text checking until the next character has been typed. |
| // FIXME: this is required until 6853027 is fixed and text checking can do this for us. |
| return character == '\'' || character == rightSingleQuotationMark || character == hebrewPunctuationGershayim; |
| } |
| |
| void Editor::markAllMisspellingsAndBadGrammarInRanges(bool markSpelling, Range* spellingRange, bool markGrammar, Range* grammarRange, bool performTextCheckingReplacements) |
| { |
| // This function is called with selections already expanded to word boundaries. |
| ExceptionCode ec = 0; |
| if (!client() || !spellingRange || (markGrammar && !grammarRange)) |
| return; |
| |
| // If we're not in an editable node, bail. |
| Node* editableNode = spellingRange->startContainer(); |
| if (!editableNode || !editableNode->isContentEditable()) |
| return; |
| |
| // Expand the range to encompass entire paragraphs, since text checking needs that much context. |
| int spellingRangeStartOffset = 0; |
| int spellingRangeEndOffset = 0; |
| int grammarRangeStartOffset = 0; |
| int grammarRangeEndOffset = 0; |
| int offsetDueToReplacement = 0; |
| int paragraphLength = 0; |
| int selectionOffset = 0; |
| int ambiguousBoundaryOffset = -1; |
| bool selectionChanged = false; |
| bool restoreSelectionAfterChange = false; |
| bool adjustSelectionForParagraphBoundaries = false; |
| String paragraphString; |
| RefPtr<Range> paragraphRange; |
| |
| if (markGrammar) { |
| // The spelling range should be contained in the paragraph-aligned extension of the grammar range. |
| paragraphRange = paragraphAlignedRangeForRange(grammarRange, grammarRangeStartOffset, paragraphString); |
| RefPtr<Range> offsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), paragraphRange->startPosition(), spellingRange->startPosition()); |
| spellingRangeStartOffset = TextIterator::rangeLength(offsetAsRange.get()); |
| grammarRangeEndOffset = grammarRangeStartOffset + TextIterator::rangeLength(grammarRange); |
| } else { |
| paragraphRange = paragraphAlignedRangeForRange(spellingRange, spellingRangeStartOffset, paragraphString); |
| } |
| spellingRangeEndOffset = spellingRangeStartOffset + TextIterator::rangeLength(spellingRange); |
| paragraphLength = paragraphString.length(); |
| if (paragraphLength <= 0 || (spellingRangeStartOffset >= spellingRangeEndOffset && (!markGrammar || grammarRangeStartOffset >= grammarRangeEndOffset))) |
| return; |
| |
| if (performTextCheckingReplacements) { |
| if (m_frame->selection()->selectionType() == VisibleSelection::CaretSelection) { |
| // Attempt to save the caret position so we can restore it later if needed |
| RefPtr<Range> offsetAsRange = Range::create(paragraphRange->startContainer(ec)->document(), paragraphRange->startPosition(), paragraphRange->startPosition()); |
| Position caretPosition = m_frame->selection()->end(); |
| offsetAsRange->setEnd(caretPosition.containerNode(), caretPosition.computeOffsetInContainerNode(), ec); |
| if (!ec) { |
| selectionOffset = TextIterator::rangeLength(offsetAsRange.get()); |
| restoreSelectionAfterChange = true; |
| if (selectionOffset > 0 && (selectionOffset > paragraphLength || paragraphString[selectionOffset - 1] == newlineCharacter)) |
| adjustSelectionForParagraphBoundaries = true; |
| if (selectionOffset > 0 && selectionOffset <= paragraphLength && isAmbiguousBoundaryCharacter(paragraphString[selectionOffset - 1])) |
| ambiguousBoundaryOffset = selectionOffset - 1; |
| } |
| } |
| } |
| |
| Vector<TextCheckingResult> results; |
| uint64_t checkingTypes = 0; |
| if (markSpelling) |
| checkingTypes |= TextCheckingTypeSpelling; |
| if (markGrammar) |
| checkingTypes |= TextCheckingTypeGrammar; |
| if (performTextCheckingReplacements) { |
| if (isAutomaticLinkDetectionEnabled()) |
| checkingTypes |= TextCheckingTypeLink; |
| if (isAutomaticQuoteSubstitutionEnabled()) |
| checkingTypes |= TextCheckingTypeQuote; |
| if (isAutomaticDashSubstitutionEnabled()) |
| checkingTypes |= TextCheckingTypeDash; |
| if (isAutomaticTextReplacementEnabled()) |
| checkingTypes |= TextCheckingTypeReplacement; |
| if (markSpelling && isAutomaticSpellingCorrectionEnabled()) |
| checkingTypes |= TextCheckingTypeCorrection; |
| } |
| client()->checkTextOfParagraph(paragraphString.characters(), paragraphLength, checkingTypes, results); |
| |
| for (unsigned i = 0; i < results.size(); i++) { |
| const TextCheckingResult* result = &results[i]; |
| int resultLocation = result->location + offsetDueToReplacement; |
| int resultLength = result->length; |
| if (markSpelling && result->type == TextCheckingTypeSpelling && resultLocation >= spellingRangeStartOffset && resultLocation + resultLength <= spellingRangeEndOffset) { |
| ASSERT(resultLength > 0 && resultLocation >= 0); |
| RefPtr<Range> misspellingRange = TextIterator::subrange(spellingRange, resultLocation - spellingRangeStartOffset, resultLength); |
| misspellingRange->startContainer(ec)->document()->addMarker(misspellingRange.get(), DocumentMarker::Spelling); |
| } else if (markGrammar && result->type == TextCheckingTypeGrammar && resultLocation < grammarRangeEndOffset && resultLocation + resultLength > grammarRangeStartOffset) { |
| ASSERT(resultLength > 0 && resultLocation >= 0); |
| for (unsigned j = 0; j < result->details.size(); j++) { |
| const GrammarDetail* detail = &result->details[j]; |
| ASSERT(detail->length > 0 && detail->location >= 0); |
| if (resultLocation + detail->location >= grammarRangeStartOffset && resultLocation + detail->location + detail->length <= grammarRangeEndOffset) { |
| RefPtr<Range> badGrammarRange = TextIterator::subrange(grammarRange, resultLocation + detail->location - grammarRangeStartOffset, detail->length); |
| grammarRange->startContainer(ec)->document()->addMarker(badGrammarRange.get(), DocumentMarker::Grammar, detail->userDescription); |
| } |
| } |
| } else if (performTextCheckingReplacements && resultLocation + resultLength <= spellingRangeEndOffset && resultLocation + resultLength >= spellingRangeStartOffset && |
| (result->type == TextCheckingTypeLink |
| || result->type == TextCheckingTypeQuote |
| || result->type == TextCheckingTypeDash |
| || result->type == TextCheckingTypeReplacement |
| || result->type == TextCheckingTypeCorrection)) { |
| // In this case the result range just has to touch the spelling range, so we can handle replacing non-word text such as punctuation. |
| ASSERT(resultLength > 0 && resultLocation >= 0); |
| int replacementLength = result->replacement.length(); |
| bool doReplacement = (replacementLength > 0); |
| RefPtr<Range> rangeToReplace = TextIterator::subrange(paragraphRange.get(), resultLocation, resultLength); |
| VisibleSelection selectionToReplace(rangeToReplace.get(), DOWNSTREAM); |
| |
| // avoid correcting text after an ambiguous boundary character has been typed |
| // FIXME: this is required until 6853027 is fixed and text checking can do this for us |
| if (ambiguousBoundaryOffset >= 0 && resultLocation + resultLength == ambiguousBoundaryOffset) |
| doReplacement = false; |
| |
| // adding links should be done only immediately after they are typed |
| if (result->type == TextCheckingTypeLink && selectionOffset > resultLocation + resultLength + 1) |
| doReplacement = false; |
| |
| // Don't correct spelling in an already-corrected word. |
| if (doReplacement && result->type == TextCheckingTypeCorrection) { |
| Node* node = rangeToReplace->startContainer(); |
| int startOffset = rangeToReplace->startOffset(); |
| int endOffset = startOffset + replacementLength; |
| Vector<DocumentMarker> markers = node->document()->markersForNode(node); |
| size_t markerCount = markers.size(); |
| for (size_t i = 0; i < markerCount; ++i) { |
| const DocumentMarker& marker = markers[i]; |
| if (marker.type == DocumentMarker::Replacement && static_cast<int>(marker.startOffset) < endOffset && static_cast<int>(marker.endOffset) > startOffset) { |
| doReplacement = false; |
| break; |
| } |
| if (static_cast<int>(marker.startOffset) >= endOffset) |
| break; |
| } |
| } |
| if (doReplacement && selectionToReplace != m_frame->selection()->selection()) { |
| if (m_frame->shouldChangeSelection(selectionToReplace)) { |
| m_frame->selection()->setSelection(selectionToReplace); |
| selectionChanged = true; |
| } else { |
| doReplacement = false; |
| } |
| } |
| if (doReplacement) { |
| if (result->type == TextCheckingTypeLink) { |
| restoreSelectionAfterChange = false; |
| if (canEditRichly()) |
| applyCommand(CreateLinkCommand::create(m_frame->document(), result->replacement)); |
| } else if (canEdit() && shouldInsertText(result->replacement, rangeToReplace.get(), EditorInsertActionTyped)) { |
| String replacedString; |
| if (result->type == TextCheckingTypeCorrection) |
| replacedString = plainText(rangeToReplace.get()); |
| replaceSelectionWithText(result->replacement, false, false); |
| spellingRangeEndOffset += replacementLength - resultLength; |
| offsetDueToReplacement += replacementLength - resultLength; |
| if (resultLocation < selectionOffset) |
| selectionOffset += replacementLength - resultLength; |
| if (result->type == TextCheckingTypeCorrection) { |
| // Add a marker so that corrections can easily be undone and won't be re-corrected. |
| RefPtr<Range> replacedRange = TextIterator::subrange(paragraphRange.get(), resultLocation, replacementLength); |
| replacedRange->startContainer()->document()->addMarker(replacedRange.get(), DocumentMarker::Replacement, replacedString); |
| } |
| } |
| } |
| } |
| } |
| |
| if (selectionChanged) { |
| // Restore the caret position if we have made any replacements |
| setEnd(paragraphRange.get(), endOfParagraph(startOfNextParagraph(paragraphRange->startPosition()))); |
| int newLength = TextIterator::rangeLength(paragraphRange.get()); |
| if (restoreSelectionAfterChange && selectionOffset >= 0 && selectionOffset <= newLength) { |
| RefPtr<Range> selectionRange = TextIterator::subrange(paragraphRange.get(), 0, selectionOffset); |
| m_frame->selection()->moveTo(selectionRange->endPosition(), DOWNSTREAM); |
| if (adjustSelectionForParagraphBoundaries) |
| m_frame->selection()->modify(SelectionController::MOVE, SelectionController::FORWARD, CharacterGranularity); |
| } else { |
| // If this fails for any reason, the fallback is to go one position beyond the last replacement |
| m_frame->selection()->moveTo(m_frame->selection()->end()); |
| m_frame->selection()->modify(SelectionController::MOVE, SelectionController::FORWARD, CharacterGranularity); |
| } |
| } |
| } |
| |
| void Editor::changeBackToReplacedString(const String& replacedString) |
| { |
| if (replacedString.isEmpty()) |
| return; |
| |
| RefPtr<Range> selection = selectedRange(); |
| if (!shouldInsertText(replacedString, selection.get(), EditorInsertActionPasted)) |
| return; |
| |
| String paragraphString; |
| int selectionOffset; |
| RefPtr<Range> paragraphRange = paragraphAlignedRangeForRange(selection.get(), selectionOffset, paragraphString); |
| replaceSelectionWithText(replacedString, false, false); |
| RefPtr<Range> changedRange = TextIterator::subrange(paragraphRange.get(), selectionOffset, replacedString.length()); |
| changedRange->startContainer()->document()->addMarker(changedRange.get(), DocumentMarker::Replacement, String()); |
| } |
| |
| #endif |
| |
| void Editor::markMisspellingsAndBadGrammar(const VisibleSelection& spellingSelection, bool markGrammar, const VisibleSelection& grammarSelection) |
| { |
| #if PLATFORM(MAC) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) |
| if (!isContinuousSpellCheckingEnabled()) |
| return; |
| markAllMisspellingsAndBadGrammarInRanges(true, spellingSelection.toNormalizedRange().get(), markGrammar && isGrammarCheckingEnabled(), grammarSelection.toNormalizedRange().get(), false); |
| #else |
| RefPtr<Range> firstMisspellingRange; |
| markMisspellings(spellingSelection, firstMisspellingRange); |
| if (markGrammar) |
| markBadGrammar(grammarSelection); |
| #endif |
| } |
| |
| PassRefPtr<Range> Editor::rangeForPoint(const IntPoint& windowPoint) |
| { |
| Document* document = m_frame->documentAtPoint(windowPoint); |
| if (!document) |
| return 0; |
| |
| Frame* frame = document->frame(); |
| ASSERT(frame); |
| FrameView* frameView = frame->view(); |
| if (!frameView) |
| return 0; |
| IntPoint framePoint = frameView->windowToContents(windowPoint); |
| VisibleSelection selection(frame->visiblePositionForPoint(framePoint)); |
| return avoidIntersectionWithNode(selection.toNormalizedRange().get(), m_deleteButtonController->containerElement()); |
| } |
| |
| void Editor::revealSelectionAfterEditingOperation() |
| { |
| if (m_ignoreCompositionSelectionChange) |
| return; |
| |
| m_frame->revealSelection(ScrollAlignment::alignToEdgeIfNeeded); |
| } |
| |
| void Editor::setIgnoreCompositionSelectionChange(bool ignore) |
| { |
| if (m_ignoreCompositionSelectionChange == ignore) |
| return; |
| |
| m_ignoreCompositionSelectionChange = ignore; |
| if (!ignore) |
| revealSelectionAfterEditingOperation(); |
| } |
| |
| PassRefPtr<Range> Editor::compositionRange() const |
| { |
| if (!m_compositionNode) |
| return 0; |
| unsigned length = m_compositionNode->length(); |
| unsigned start = min(m_compositionStart, length); |
| unsigned end = min(max(start, m_compositionEnd), length); |
| if (start >= end) |
| return 0; |
| return Range::create(m_compositionNode->document(), m_compositionNode.get(), start, m_compositionNode.get(), end); |
| } |
| |
| bool Editor::getCompositionSelection(unsigned& selectionStart, unsigned& selectionEnd) const |
| { |
| if (!m_compositionNode) |
| return false; |
| Position start = m_frame->selection()->start(); |
| if (start.node() != m_compositionNode) |
| return false; |
| Position end = m_frame->selection()->end(); |
| if (end.node() != m_compositionNode) |
| return false; |
| |
| if (static_cast<unsigned>(start.deprecatedEditingOffset()) < m_compositionStart) |
| return false; |
| if (static_cast<unsigned>(end.deprecatedEditingOffset()) > m_compositionEnd) |
| return false; |
| |
| selectionStart = start.deprecatedEditingOffset() - m_compositionStart; |
| selectionEnd = start.deprecatedEditingOffset() - m_compositionEnd; |
| return true; |
| } |
| |
| void Editor::transpose() |
| { |
| if (!canEdit()) |
| return; |
| |
| VisibleSelection selection = m_frame->selection()->selection(); |
| if (!selection.isCaret()) |
| return; |
| |
| // Make a selection that goes back one character and forward two characters. |
| VisiblePosition caret = selection.visibleStart(); |
| VisiblePosition next = isEndOfParagraph(caret) ? caret : caret.next(); |
| VisiblePosition previous = next.previous(); |
| if (next == previous) |
| return; |
| previous = previous.previous(); |
| if (!inSameParagraph(next, previous)) |
| return; |
| RefPtr<Range> range = makeRange(previous, next); |
| if (!range) |
| return; |
| VisibleSelection newSelection(range.get(), DOWNSTREAM); |
| |
| // Transpose the two characters. |
| String text = plainText(range.get()); |
| if (text.length() != 2) |
| return; |
| String transposed = text.right(1) + text.left(1); |
| |
| // Select the two characters. |
| if (newSelection != m_frame->selection()->selection()) { |
| if (!m_frame->shouldChangeSelection(newSelection)) |
| return; |
| m_frame->selection()->setSelection(newSelection); |
| } |
| |
| // Insert the transposed characters. |
| if (!shouldInsertText(transposed, range.get(), EditorInsertActionTyped)) |
| return; |
| replaceSelectionWithText(transposed, false, false); |
| } |
| |
| void Editor::addToKillRing(Range* range, bool prepend) |
| { |
| if (m_shouldStartNewKillRingSequence) |
| startNewKillRingSequence(); |
| |
| String text = m_frame->displayStringModifiedByEncoding(plainText(range)); |
| if (prepend) |
| prependToKillRing(text); |
| else |
| appendToKillRing(text); |
| m_shouldStartNewKillRingSequence = false; |
| } |
| |
| #if !PLATFORM(MAC) |
| |
| void Editor::appendToKillRing(const String&) |
| { |
| } |
| |
| void Editor::prependToKillRing(const String&) |
| { |
| } |
| |
| String Editor::yankFromKillRing() |
| { |
| return String(); |
| } |
| |
| void Editor::startNewKillRingSequence() |
| { |
| } |
| |
| void Editor::setKillRingToYankedState() |
| { |
| } |
| |
| #endif |
| |
| bool Editor::insideVisibleArea(const IntPoint& point) const |
| { |
| if (m_frame->excludeFromTextSearch()) |
| return false; |
| |
| // Right now, we only check the visibility of a point for disconnected frames. For all other |
| // frames, we assume visibility. |
| Frame* frame = m_frame->isDisconnected() ? m_frame : m_frame->tree()->top(true); |
| if (!frame->isDisconnected()) |
| return true; |
| |
| RenderPart* renderer = frame->ownerRenderer(); |
| RenderBlock* container = renderer->containingBlock(); |
| if (!(container->style()->overflowX() == OHIDDEN || container->style()->overflowY() == OHIDDEN)) |
| return true; |
| |
| IntRect rectInPageCoords = container->overflowClipRect(0, 0); |
| IntRect rectInFrameCoords = IntRect(renderer->x() * -1, renderer->y() * -1, |
| rectInPageCoords.width(), rectInPageCoords.height()); |
| |
| return rectInFrameCoords.contains(point); |
| } |
| |
| bool Editor::insideVisibleArea(Range* range) const |
| { |
| if (!range) |
| return true; |
| |
| if (m_frame->excludeFromTextSearch()) |
| return false; |
| |
| // Right now, we only check the visibility of a range for disconnected frames. For all other |
| // frames, we assume visibility. |
| Frame* frame = m_frame->isDisconnected() ? m_frame : m_frame->tree()->top(true); |
| if (!frame->isDisconnected()) |
| return true; |
| |
| RenderPart* renderer = frame->ownerRenderer(); |
| RenderBlock* container = renderer->containingBlock(); |
| if (!(container->style()->overflowX() == OHIDDEN || container->style()->overflowY() == OHIDDEN)) |
| return true; |
| |
| IntRect rectInPageCoords = container->overflowClipRect(0, 0); |
| IntRect rectInFrameCoords = IntRect(renderer->x() * -1, renderer->y() * -1, |
| rectInPageCoords.width(), rectInPageCoords.height()); |
| IntRect resultRect = range->boundingBox(); |
| |
| return rectInFrameCoords.contains(resultRect); |
| } |
| |
| PassRefPtr<Range> Editor::firstVisibleRange(const String& target, bool caseFlag) |
| { |
| RefPtr<Range> searchRange(rangeOfContents(m_frame->document())); |
| RefPtr<Range> resultRange = findPlainText(searchRange.get(), target, true, caseFlag); |
| ExceptionCode ec = 0; |
| |
| while (!insideVisibleArea(resultRange.get())) { |
| searchRange->setStartAfter(resultRange->endContainer(), ec); |
| if (searchRange->startContainer() == searchRange->endContainer()) |
| return Range::create(m_frame->document()); |
| resultRange = findPlainText(searchRange.get(), target, true, caseFlag); |
| } |
| |
| return resultRange; |
| } |
| |
| PassRefPtr<Range> Editor::lastVisibleRange(const String& target, bool caseFlag) |
| { |
| RefPtr<Range> searchRange(rangeOfContents(m_frame->document())); |
| RefPtr<Range> resultRange = findPlainText(searchRange.get(), target, false, caseFlag); |
| ExceptionCode ec = 0; |
| |
| while (!insideVisibleArea(resultRange.get())) { |
| searchRange->setEndBefore(resultRange->startContainer(), ec); |
| if (searchRange->startContainer() == searchRange->endContainer()) |
| return Range::create(m_frame->document()); |
| resultRange = findPlainText(searchRange.get(), target, false, caseFlag); |
| } |
| |
| return resultRange; |
| } |
| |
| PassRefPtr<Range> Editor::nextVisibleRange(Range* currentRange, const String& target, bool forward, bool caseFlag, bool wrapFlag) |
| { |
| if (m_frame->excludeFromTextSearch()) |
| return Range::create(m_frame->document()); |
| |
| RefPtr<Range> resultRange = currentRange; |
| RefPtr<Range> searchRange(rangeOfContents(m_frame->document())); |
| ExceptionCode ec = 0; |
| |
| for ( ; !insideVisibleArea(resultRange.get()); resultRange = findPlainText(searchRange.get(), target, forward, caseFlag)) { |
| if (resultRange->collapsed(ec)) { |
| if (!resultRange->startContainer()->isInShadowTree()) |
| break; |
| searchRange = rangeOfContents(m_frame->document()); |
| if (forward) |
| searchRange->setStartAfter(resultRange->startContainer()->shadowAncestorNode(), ec); |
| else |
| searchRange->setEndBefore(resultRange->startContainer()->shadowAncestorNode(), ec); |
| continue; |
| } |
| |
| if (forward) |
| searchRange->setStartAfter(resultRange->endContainer(), ec); |
| else |
| searchRange->setEndBefore(resultRange->startContainer(), ec); |
| |
| Node* shadowTreeRoot = searchRange->shadowTreeRootNode(); |
| if (searchRange->collapsed(ec) && shadowTreeRoot) { |
| if (forward) |
| searchRange->setEnd(shadowTreeRoot, shadowTreeRoot->childNodeCount(), ec); |
| else |
| searchRange->setStartBefore(shadowTreeRoot, ec); |
| } |
| |
| if (searchRange->startContainer()->isDocumentNode() && searchRange->endContainer()->isDocumentNode()) |
| break; |
| } |
| |
| if (insideVisibleArea(resultRange.get())) |
| return resultRange; |
| |
| if (!wrapFlag) |
| return Range::create(m_frame->document()); |
| |
| if (forward) |
| return firstVisibleRange(target, caseFlag); |
| |
| return lastVisibleRange(target, caseFlag); |
| } |
| |
| void Editor::changeSelectionAfterCommand(const VisibleSelection& newSelection, bool closeTyping, bool clearTypingStyle, EditCommand* cmd) |
| { |
| // If there is no selection change, don't bother sending shouldChangeSelection, but still call setSelection, |
| // because there is work that it must do in this situation. |
| // The old selection can be invalid here and calling shouldChangeSelection can produce some strange calls. |
| // See <rdar://problem/5729315> Some shouldChangeSelectedDOMRange contain Ranges for selections that are no longer valid |
| bool selectionDidNotChangeDOMPosition = newSelection == m_frame->selection()->selection(); |
| if (selectionDidNotChangeDOMPosition || m_frame->shouldChangeSelection(newSelection)) |
| m_frame->selection()->setSelection(newSelection, closeTyping, clearTypingStyle); |
| |
| // Some kinds of deletes and line break insertions change the selection's position within the document without |
| // changing its position within the DOM. For example when you press return in the following (the caret is marked by ^): |
| // <div contentEditable="true"><div>^Hello</div></div> |
| // WebCore inserts <div><br></div> *before* the current block, which correctly moves the paragraph down but which doesn't |
| // change the caret's DOM position (["hello", 0]). In these situations the above SelectionController::setSelection call |
| // does not call EditorClient::respondToChangedSelection(), which, on the Mac, sends selection change notifications and |
| // starts a new kill ring sequence, but we want to do these things (matches AppKit). |
| if (selectionDidNotChangeDOMPosition && cmd->isTypingCommand()) |
| client()->respondToChangedSelection(); |
| } |
| |
| } // namespace WebCore |
