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Unified Diff: Source/core/editing/TypingCommand.cpp

Issue 1294543005: Move execCommand related files in core/editing/ related files into core/editing/commands/ (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: 2015-08-18T14:20:58 Rebase for merging code style fixes Created 5 years, 4 months ago
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Index: Source/core/editing/TypingCommand.cpp
diff --git a/Source/core/editing/TypingCommand.cpp b/Source/core/editing/TypingCommand.cpp
deleted file mode 100644
index e338359f680fe80b31d5327f9eea68bdf030d722..0000000000000000000000000000000000000000
--- a/Source/core/editing/TypingCommand.cpp
+++ /dev/null
@@ -1,635 +0,0 @@
-/*
- * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/editing/TypingCommand.h"
-
-#include "core/HTMLNames.h"
-#include "core/dom/Document.h"
-#include "core/dom/Element.h"
-#include "core/dom/ElementTraversal.h"
-#include "core/editing/BreakBlockquoteCommand.h"
-#include "core/editing/EditingUtilities.h"
-#include "core/editing/Editor.h"
-#include "core/editing/FrameSelection.h"
-#include "core/editing/InsertLineBreakCommand.h"
-#include "core/editing/InsertParagraphSeparatorCommand.h"
-#include "core/editing/InsertTextCommand.h"
-#include "core/editing/VisiblePosition.h"
-#include "core/editing/VisibleUnits.h"
-#include "core/editing/spellcheck/SpellChecker.h"
-#include "core/frame/LocalFrame.h"
-#include "core/html/HTMLBRElement.h"
-#include "core/layout/LayoutObject.h"
-
-namespace blink {
-
-using namespace HTMLNames;
-
-class TypingCommandLineOperation {
- STACK_ALLOCATED();
-public:
- TypingCommandLineOperation(TypingCommand* typingCommand, bool selectInsertedText, const String& text)
- : m_typingCommand(typingCommand)
- , m_selectInsertedText(selectInsertedText)
- , m_text(text)
- { }
-
- void operator()(size_t lineOffset, size_t lineLength, bool isLastLine) const
- {
- if (isLastLine) {
- if (!lineOffset || lineLength > 0)
- m_typingCommand->insertTextRunWithoutNewlines(m_text.substring(lineOffset, lineLength), m_selectInsertedText);
- } else {
- if (lineLength > 0)
- m_typingCommand->insertTextRunWithoutNewlines(m_text.substring(lineOffset, lineLength), false);
- m_typingCommand->insertParagraphSeparator();
- }
- }
-
-private:
- RawPtrWillBeMember<TypingCommand> m_typingCommand;
- bool m_selectInsertedText;
- const String& m_text;
-};
-
-TypingCommand::TypingCommand(Document& document, ETypingCommand commandType, const String &textToInsert, Options options, TextGranularity granularity, TextCompositionType compositionType)
- : TextInsertionBaseCommand(document)
- , m_commandType(commandType)
- , m_textToInsert(textToInsert)
- , m_openForMoreTyping(true)
- , m_selectInsertedText(options & SelectInsertedText)
- , m_smartDelete(options & SmartDelete)
- , m_granularity(granularity)
- , m_compositionType(compositionType)
- , m_killRing(options & KillRing)
- , m_openedByBackwardDelete(false)
- , m_shouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator)
- , m_shouldPreventSpellChecking(options & PreventSpellChecking)
-{
- updatePreservesTypingStyle(m_commandType);
-}
-
-void TypingCommand::deleteSelection(Document& document, Options options)
-{
- LocalFrame* frame = document.frame();
- ASSERT(frame);
-
- if (!frame->selection().isRange())
- return;
-
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame)) {
- lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
- lastTypingCommand->deleteSelection(options & SmartDelete);
- return;
- }
-
- TypingCommand::create(document, DeleteSelection, "", options)->apply();
-}
-
-void TypingCommand::deleteKeyPressed(Document& document, Options options, TextGranularity granularity)
-{
- if (granularity == CharacterGranularity) {
- LocalFrame* frame = document.frame();
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame)) {
- // If the last typing command is not Delete, open a new typing command.
- // We need to group continuous delete commands alone in a single typing command.
- if (lastTypingCommand->commandTypeOfOpenCommand() == DeleteKey) {
- updateSelectionIfDifferentFromCurrentSelection(lastTypingCommand.get(), frame);
- lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
- lastTypingCommand->deleteKeyPressed(granularity, options & KillRing);
- return;
- }
- }
- }
-
- TypingCommand::create(document, DeleteKey, "", options, granularity)->apply();
-}
-
-void TypingCommand::forwardDeleteKeyPressed(Document& document, Options options, TextGranularity granularity)
-{
- // FIXME: Forward delete in TextEdit appears to open and close a new typing command.
- if (granularity == CharacterGranularity) {
- LocalFrame* frame = document.frame();
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame)) {
- updateSelectionIfDifferentFromCurrentSelection(lastTypingCommand.get(), frame);
- lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
- lastTypingCommand->forwardDeleteKeyPressed(granularity, options & KillRing);
- return;
- }
- }
-
- TypingCommand::create(document, ForwardDeleteKey, "", options, granularity)->apply();
-}
-
-void TypingCommand::updateSelectionIfDifferentFromCurrentSelection(TypingCommand* typingCommand, LocalFrame* frame)
-{
- ASSERT(frame);
- VisibleSelection currentSelection = frame->selection().selection();
- if (VisibleSelection::InDOMTree::equalSelections(currentSelection, typingCommand->endingSelection()))
- return;
-
- typingCommand->setStartingSelection(currentSelection);
- typingCommand->setEndingSelection(currentSelection);
-}
-
-void TypingCommand::insertText(Document& document, const String& text, Options options, TextCompositionType composition)
-{
- LocalFrame* frame = document.frame();
- ASSERT(frame);
-
- if (!text.isEmpty())
- document.frame()->spellChecker().updateMarkersForWordsAffectedByEditing(isSpaceOrNewline(text[0]));
-
- insertText(document, text, frame->selection().selection(), options, composition);
-}
-
-// FIXME: We shouldn't need to take selectionForInsertion. It should be identical to FrameSelection's current selection.
-void TypingCommand::insertText(Document& document, const String& text, const VisibleSelection& selectionForInsertion, Options options, TextCompositionType compositionType)
-{
- RefPtrWillBeRawPtr<LocalFrame> frame = document.frame();
- ASSERT(frame);
-
- VisibleSelection currentSelection = frame->selection().selection();
-
- String newText = dispatchBeforeTextInsertedEvent(text, selectionForInsertion, compositionType == TextCompositionUpdate);
-
- // Set the starting and ending selection appropriately if we are using a selection
- // that is different from the current selection. In the future, we should change EditCommand
- // to deal with custom selections in a general way that can be used by all of the commands.
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame.get())) {
- if (!VisibleSelection::InDOMTree::equalSelections(lastTypingCommand->endingSelection(), selectionForInsertion)) {
- lastTypingCommand->setStartingSelection(selectionForInsertion);
- lastTypingCommand->setEndingSelection(selectionForInsertion);
- }
-
- lastTypingCommand->setCompositionType(compositionType);
- lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
- lastTypingCommand->setShouldPreventSpellChecking(options & PreventSpellChecking);
- lastTypingCommand->insertText(newText, options & SelectInsertedText);
- return;
- }
-
- RefPtrWillBeRawPtr<TypingCommand> cmd = TypingCommand::create(document, InsertText, newText, options, compositionType);
- applyTextInsertionCommand(frame.get(), cmd, selectionForInsertion, currentSelection);
-}
-
-void TypingCommand::insertLineBreak(Document& document, Options options)
-{
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document.frame())) {
- lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
- lastTypingCommand->insertLineBreak();
- return;
- }
-
- TypingCommand::create(document, InsertLineBreak, "", options)->apply();
-}
-
-void TypingCommand::insertParagraphSeparatorInQuotedContent(Document& document)
-{
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document.frame())) {
- lastTypingCommand->insertParagraphSeparatorInQuotedContent();
- return;
- }
-
- TypingCommand::create(document, InsertParagraphSeparatorInQuotedContent)->apply();
-}
-
-void TypingCommand::insertParagraphSeparator(Document& document, Options options)
-{
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(document.frame())) {
- lastTypingCommand->setShouldRetainAutocorrectionIndicator(options & RetainAutocorrectionIndicator);
- lastTypingCommand->insertParagraphSeparator();
- return;
- }
-
- TypingCommand::create(document, InsertParagraphSeparator, "", options)->apply();
-}
-
-PassRefPtrWillBeRawPtr<TypingCommand> TypingCommand::lastTypingCommandIfStillOpenForTyping(LocalFrame* frame)
-{
- ASSERT(frame);
-
- RefPtrWillBeRawPtr<CompositeEditCommand> lastEditCommand = frame->editor().lastEditCommand();
- if (!lastEditCommand || !lastEditCommand->isTypingCommand() || !static_cast<TypingCommand*>(lastEditCommand.get())->isOpenForMoreTyping())
- return nullptr;
-
- return static_cast<TypingCommand*>(lastEditCommand.get());
-}
-
-void TypingCommand::closeTyping(LocalFrame* frame)
-{
- if (RefPtrWillBeRawPtr<TypingCommand> lastTypingCommand = lastTypingCommandIfStillOpenForTyping(frame))
- lastTypingCommand->closeTyping();
-}
-
-void TypingCommand::doApply()
-{
- if (!endingSelection().isNonOrphanedCaretOrRange())
- return;
-
- if (m_commandType == DeleteKey) {
- if (m_commands.isEmpty())
- m_openedByBackwardDelete = true;
- }
-
- switch (m_commandType) {
- case DeleteSelection:
- deleteSelection(m_smartDelete);
- return;
- case DeleteKey:
- deleteKeyPressed(m_granularity, m_killRing);
- return;
- case ForwardDeleteKey:
- forwardDeleteKeyPressed(m_granularity, m_killRing);
- return;
- case InsertLineBreak:
- insertLineBreak();
- return;
- case InsertParagraphSeparator:
- insertParagraphSeparator();
- return;
- case InsertParagraphSeparatorInQuotedContent:
- insertParagraphSeparatorInQuotedContent();
- return;
- case InsertText:
- insertText(m_textToInsert, m_selectInsertedText);
- return;
- }
-
- ASSERT_NOT_REACHED();
-}
-
-EditAction TypingCommand::editingAction() const
-{
- return EditActionTyping;
-}
-
-void TypingCommand::markMisspellingsAfterTyping(ETypingCommand commandType)
-{
- LocalFrame* frame = document().frame();
- if (!frame)
- return;
-
- if (!frame->spellChecker().isContinuousSpellCheckingEnabled())
- return;
-
- frame->spellChecker().cancelCheck();
-
- // Take a look at the selection that results after typing and determine whether we need to spellcheck.
- // Since the word containing the current selection is never marked, this does a check to
- // see if typing made a new word that is not in the current selection. Basically, you
- // get this by being at the end of a word and typing a space.
- VisiblePosition start(endingSelection().start(), endingSelection().affinity());
- VisiblePosition previous = start.previous();
-
- VisiblePosition p1 = startOfWord(previous, LeftWordIfOnBoundary);
-
- if (commandType == InsertParagraphSeparator) {
- VisiblePosition p2 = nextWordPosition(start);
- VisibleSelection words(p1, endOfWord(p2));
- frame->spellChecker().markMisspellingsAfterLineBreak(words);
- } else if (previous.isNotNull()) {
- VisiblePosition p2 = startOfWord(start, LeftWordIfOnBoundary);
- if (p1.deepEquivalent() != p2.deepEquivalent())
- frame->spellChecker().markMisspellingsAfterTypingToWord(p1, endingSelection());
- }
-}
-
-void TypingCommand::typingAddedToOpenCommand(ETypingCommand commandTypeForAddedTyping)
-{
- LocalFrame* frame = document().frame();
- if (!frame)
- return;
-
- updatePreservesTypingStyle(commandTypeForAddedTyping);
- updateCommandTypeOfOpenCommand(commandTypeForAddedTyping);
-
- // The old spellchecking code requires that checking be done first, to prevent issues like that in 6864072, where <doesn't> is marked as misspelled.
- markMisspellingsAfterTyping(commandTypeForAddedTyping);
- frame->editor().appliedEditing(this);
-}
-
-void TypingCommand::insertText(const String &text, bool selectInsertedText)
-{
- // FIXME: Need to implement selectInsertedText for cases where more than one insert is involved.
- // This requires support from insertTextRunWithoutNewlines and insertParagraphSeparator for extending
- // an existing selection; at the moment they can either put the caret after what's inserted or
- // select what's inserted, but there's no way to "extend selection" to include both an old selection
- // that ends just before where we want to insert text and the newly inserted text.
- TypingCommandLineOperation operation(this, selectInsertedText, text);
- forEachLineInString(text, operation);
-}
-
-void TypingCommand::insertTextRunWithoutNewlines(const String &text, bool selectInsertedText)
-{
- RefPtrWillBeRawPtr<InsertTextCommand> command = InsertTextCommand::create(document(), text, selectInsertedText,
- m_compositionType == TextCompositionNone ? InsertTextCommand::RebalanceLeadingAndTrailingWhitespaces : InsertTextCommand::RebalanceAllWhitespaces);
-
- applyCommandToComposite(command, endingSelection());
-
- typingAddedToOpenCommand(InsertText);
-}
-
-void TypingCommand::insertLineBreak()
-{
- if (!canAppendNewLineFeedToSelection(endingSelection()))
- return;
-
- applyCommandToComposite(InsertLineBreakCommand::create(document()));
- typingAddedToOpenCommand(InsertLineBreak);
-}
-
-void TypingCommand::insertParagraphSeparator()
-{
- if (!canAppendNewLineFeedToSelection(endingSelection()))
- return;
-
- applyCommandToComposite(InsertParagraphSeparatorCommand::create(document()));
- typingAddedToOpenCommand(InsertParagraphSeparator);
-}
-
-void TypingCommand::insertParagraphSeparatorInQuotedContent()
-{
- // If the selection starts inside a table, just insert the paragraph separator normally
- // Breaking the blockquote would also break apart the table, which is unecessary when inserting a newline
- if (enclosingNodeOfType(endingSelection().start(), &isTableStructureNode)) {
- insertParagraphSeparator();
- return;
- }
-
- applyCommandToComposite(BreakBlockquoteCommand::create(document()));
- typingAddedToOpenCommand(InsertParagraphSeparatorInQuotedContent);
-}
-
-bool TypingCommand::makeEditableRootEmpty()
-{
- Element* root = endingSelection().rootEditableElement();
- if (!root || !root->hasChildren())
- return false;
-
- if (root->firstChild() == root->lastChild()) {
- if (isHTMLBRElement(root->firstChild())) {
- // If there is a single child and it could be a placeholder, leave it alone.
- if (root->layoutObject() && root->layoutObject()->isLayoutBlockFlow())
- return false;
- }
- }
-
- while (Node* child = root->firstChild())
- removeNode(child);
-
- addBlockPlaceholderIfNeeded(root);
- setEndingSelection(VisibleSelection(firstPositionInNode(root), DOWNSTREAM, endingSelection().isDirectional()));
-
- return true;
-}
-
-void TypingCommand::deleteKeyPressed(TextGranularity granularity, bool killRing)
-{
- LocalFrame* frame = document().frame();
- if (!frame)
- return;
-
- frame->spellChecker().updateMarkersForWordsAffectedByEditing(false);
-
- VisibleSelection selectionToDelete;
- VisibleSelection selectionAfterUndo;
-
- switch (endingSelection().selectionType()) {
- case RangeSelection:
- selectionToDelete = endingSelection();
- selectionAfterUndo = selectionToDelete;
- break;
- case CaretSelection: {
- // After breaking out of an empty mail blockquote, we still want continue with the deletion
- // so actual content will get deleted, and not just the quote style.
- if (breakOutOfEmptyMailBlockquotedParagraph())
- typingAddedToOpenCommand(DeleteKey);
-
- m_smartDelete = false;
-
- OwnPtrWillBeRawPtr<FrameSelection> selection = FrameSelection::create();
- selection->setSelection(endingSelection());
- selection->modify(FrameSelection::AlterationExtend, DirectionBackward, granularity);
- if (killRing && selection->isCaret() && granularity != CharacterGranularity)
- selection->modify(FrameSelection::AlterationExtend, DirectionBackward, CharacterGranularity);
-
- VisiblePosition visibleStart(endingSelection().visibleStart());
- if (visibleStart.previous(CannotCrossEditingBoundary).isNull()) {
- // When the caret is at the start of the editable area in an empty list item, break out of the list item.
- if (breakOutOfEmptyListItem()) {
- typingAddedToOpenCommand(DeleteKey);
- return;
- }
- // When there are no visible positions in the editing root, delete its entire contents.
- if (visibleStart.next(CannotCrossEditingBoundary).isNull() && makeEditableRootEmpty()) {
- typingAddedToOpenCommand(DeleteKey);
- return;
- }
- }
-
- // If we have a caret selection at the beginning of a cell, we have nothing to do.
- Node* enclosingTableCell = enclosingNodeOfType(visibleStart.deepEquivalent(), &isTableCell);
- if (enclosingTableCell && visibleStart.deepEquivalent() == VisiblePosition(firstPositionInNode(enclosingTableCell)).deepEquivalent())
- return;
-
- // If the caret is at the start of a paragraph after a table, move content into the last table cell.
- if (isStartOfParagraph(visibleStart) && isFirstPositionAfterTable(visibleStart.previous(CannotCrossEditingBoundary))) {
- // Unless the caret is just before a table. We don't want to move a table into the last table cell.
- if (isLastPositionBeforeTable(visibleStart))
- return;
- // Extend the selection backward into the last cell, then deletion will handle the move.
- selection->modify(FrameSelection::AlterationExtend, DirectionBackward, granularity);
- // If the caret is just after a table, select the table and don't delete anything.
- } else if (Element* table = isFirstPositionAfterTable(visibleStart)) {
- setEndingSelection(VisibleSelection(positionBeforeNode(table), endingSelection().start(), DOWNSTREAM, endingSelection().isDirectional()));
- typingAddedToOpenCommand(DeleteKey);
- return;
- }
-
- selectionToDelete = selection->selection();
-
- if (granularity == CharacterGranularity && selectionToDelete.end().computeContainerNode() == selectionToDelete.start().computeContainerNode()
- && selectionToDelete.end().computeOffsetInContainerNode() - selectionToDelete.start().computeOffsetInContainerNode() > 1) {
- // If there are multiple Unicode code points to be deleted, adjust the range to match platform conventions.
- selectionToDelete.setWithoutValidation(selectionToDelete.end(), selectionToDelete.end().previous(BackwardDeletion));
- }
-
- if (!startingSelection().isRange() || selectionToDelete.base() != startingSelection().start()) {
- selectionAfterUndo = selectionToDelete;
- } else {
- // It's a little tricky to compute what the starting selection would have been in the original document.
- // We can't let the VisibleSelection class's validation kick in or it'll adjust for us based on
- // the current state of the document and we'll get the wrong result.
- selectionAfterUndo.setWithoutValidation(startingSelection().end(), selectionToDelete.extent());
- }
- break;
- }
- case NoSelection:
- ASSERT_NOT_REACHED();
- break;
- }
-
- ASSERT(!selectionToDelete.isNone());
- if (selectionToDelete.isNone())
- return;
-
- if (selectionToDelete.isCaret())
- return;
-
- if (killRing)
- frame->editor().addToKillRing(selectionToDelete.toNormalizedEphemeralRange());
- // On Mac, make undo select everything that has been deleted, unless an undo will undo more than just this deletion.
- // FIXME: This behaves like TextEdit except for the case where you open with text insertion and then delete
- // more text than you insert. In that case all of the text that was around originally should be selected.
- if (frame->editor().behavior().shouldUndoOfDeleteSelectText() && m_openedByBackwardDelete)
- setStartingSelection(selectionAfterUndo);
- CompositeEditCommand::deleteSelection(selectionToDelete, m_smartDelete);
- setSmartDelete(false);
- typingAddedToOpenCommand(DeleteKey);
-}
-
-void TypingCommand::forwardDeleteKeyPressed(TextGranularity granularity, bool killRing)
-{
- LocalFrame* frame = document().frame();
- if (!frame)
- return;
-
- frame->spellChecker().updateMarkersForWordsAffectedByEditing(false);
-
- VisibleSelection selectionToDelete;
- VisibleSelection selectionAfterUndo;
-
- switch (endingSelection().selectionType()) {
- case RangeSelection:
- selectionToDelete = endingSelection();
- selectionAfterUndo = selectionToDelete;
- break;
- case CaretSelection: {
- m_smartDelete = false;
-
- // Handle delete at beginning-of-block case.
- // Do nothing in the case that the caret is at the start of a
- // root editable element or at the start of a document.
- OwnPtrWillBeRawPtr<FrameSelection> selection = FrameSelection::create();
- selection->setSelection(endingSelection());
- selection->modify(FrameSelection::AlterationExtend, DirectionForward, granularity);
- if (killRing && selection->isCaret() && granularity != CharacterGranularity)
- selection->modify(FrameSelection::AlterationExtend, DirectionForward, CharacterGranularity);
-
- Position downstreamEnd = endingSelection().end().downstream();
- VisiblePosition visibleEnd = endingSelection().visibleEnd();
- Node* enclosingTableCell = enclosingNodeOfType(visibleEnd.deepEquivalent(), &isTableCell);
- if (enclosingTableCell && visibleEnd.deepEquivalent() == VisiblePosition(lastPositionInNode(enclosingTableCell)).deepEquivalent())
- return;
- if (visibleEnd.deepEquivalent() == endOfParagraph(visibleEnd).deepEquivalent())
- downstreamEnd = visibleEnd.next(CannotCrossEditingBoundary).deepEquivalent().downstream();
- // When deleting tables: Select the table first, then perform the deletion
- if (isRenderedTableElement(downstreamEnd.computeContainerNode()) && downstreamEnd.computeOffsetInContainerNode() <= caretMinOffset(downstreamEnd.computeContainerNode())) {
- setEndingSelection(VisibleSelection(endingSelection().end(), positionAfterNode(downstreamEnd.computeContainerNode()), DOWNSTREAM, endingSelection().isDirectional()));
- typingAddedToOpenCommand(ForwardDeleteKey);
- return;
- }
-
- // deleting to end of paragraph when at end of paragraph needs to merge the next paragraph (if any)
- if (granularity == ParagraphBoundary && selection->selection().isCaret() && isEndOfParagraph(selection->selection().visibleEnd()))
- selection->modify(FrameSelection::AlterationExtend, DirectionForward, CharacterGranularity);
-
- selectionToDelete = selection->selection();
- if (!startingSelection().isRange() || selectionToDelete.base() != startingSelection().start()) {
- selectionAfterUndo = selectionToDelete;
- } else {
- // It's a little tricky to compute what the starting selection would have been in the original document.
- // We can't let the VisibleSelection class's validation kick in or it'll adjust for us based on
- // the current state of the document and we'll get the wrong result.
- Position extent = startingSelection().end();
- if (extent.computeContainerNode() != selectionToDelete.end().computeContainerNode()) {
- extent = selectionToDelete.extent();
- } else {
- int extraCharacters;
- if (selectionToDelete.start().computeContainerNode() == selectionToDelete.end().computeContainerNode())
- extraCharacters = selectionToDelete.end().computeOffsetInContainerNode() - selectionToDelete.start().computeOffsetInContainerNode();
- else
- extraCharacters = selectionToDelete.end().computeOffsetInContainerNode();
- extent = Position(extent.computeContainerNode(), extent.computeOffsetInContainerNode() + extraCharacters);
- }
- selectionAfterUndo.setWithoutValidation(startingSelection().start(), extent);
- }
- break;
- }
- case NoSelection:
- ASSERT_NOT_REACHED();
- break;
- }
-
- ASSERT(!selectionToDelete.isNone());
- if (selectionToDelete.isNone())
- return;
-
- if (selectionToDelete.isCaret())
- return;
-
- if (killRing)
- frame->editor().addToKillRing(selectionToDelete.toNormalizedEphemeralRange());
- // Make undo select what was deleted on Mac alone
- if (frame->editor().behavior().shouldUndoOfDeleteSelectText())
- setStartingSelection(selectionAfterUndo);
- CompositeEditCommand::deleteSelection(selectionToDelete, m_smartDelete);
- setSmartDelete(false);
- typingAddedToOpenCommand(ForwardDeleteKey);
-}
-
-void TypingCommand::deleteSelection(bool smartDelete)
-{
- CompositeEditCommand::deleteSelection(smartDelete);
- typingAddedToOpenCommand(DeleteSelection);
-}
-
-void TypingCommand::updatePreservesTypingStyle(ETypingCommand commandType)
-{
- switch (commandType) {
- case DeleteSelection:
- case DeleteKey:
- case ForwardDeleteKey:
- case InsertParagraphSeparator:
- case InsertLineBreak:
- m_preservesTypingStyle = true;
- return;
- case InsertParagraphSeparatorInQuotedContent:
- case InsertText:
- m_preservesTypingStyle = false;
- return;
- }
- ASSERT_NOT_REACHED();
- m_preservesTypingStyle = false;
-}
-
-bool TypingCommand::isTypingCommand() const
-{
- return true;
-}
-
-} // namespace blink

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