Move execCommand related files in core/editing/ related files into core/editing/commands/

Source/core/editing/IndentOutdentCommand.cpp

Index: Source/core/editing/IndentOutdentCommand.cpp
diff --git a/Source/core/editing/IndentOutdentCommand.cpp b/Source/core/editing/IndentOutdentCommand.cpp
deleted file mode 100644
index 1362328a1cb24d8a1dcd07754c9874d0de8d0718..0000000000000000000000000000000000000000
--- a/Source/core/editing/IndentOutdentCommand.cpp
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (IndentOutdentCommandINCLUDING, 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/IndentOutdentCommand.h"
-
-#include "core/HTMLNames.h"
-#include "core/dom/Document.h"
-#include "core/dom/ElementTraversal.h"
-#include "core/editing/EditingUtilities.h"
-#include "core/editing/InsertListCommand.h"
-#include "core/editing/VisibleUnits.h"
-#include "core/html/HTMLBRElement.h"
-#include "core/html/HTMLElement.h"
-#include "core/layout/LayoutObject.h"
-
-namespace blink {
-
-using namespace HTMLNames;
-
-static bool isHTMLListOrBlockquoteElement(const Node* node)
-{
-    if (!node || !node->isHTMLElement())
-        return false;
-    const HTMLElement& element = toHTMLElement(*node);
-    return isHTMLUListElement(element) || isHTMLOListElement(element) || element.hasTagName(blockquoteTag);
-}
-
-IndentOutdentCommand::IndentOutdentCommand(Document& document, EIndentType typeOfAction)
-    : ApplyBlockElementCommand(document, blockquoteTag, "margin: 0 0 0 40px; border: none; padding: 0px;")
-    , m_typeOfAction(typeOfAction)
-{
-}
-
-bool IndentOutdentCommand::tryIndentingAsListItem(const Position& start, const Position& end)
-{
-    // If our selection is not inside a list, bail out.
-    RefPtrWillBeRawPtr<Node> lastNodeInSelectedParagraph = start.anchorNode();
-    RefPtrWillBeRawPtr<HTMLElement> listElement = enclosingList(lastNodeInSelectedParagraph.get());
-    if (!listElement)
-        return false;
-
-    // Find the block that we want to indent.  If it's not a list item (e.g., a div inside a list item), we bail out.
-    RefPtrWillBeRawPtr<Element> selectedListItem = enclosingBlock(lastNodeInSelectedParagraph.get());
-
-    // FIXME: we need to deal with the case where there is no li (malformed HTML)
-    if (!isHTMLLIElement(selectedListItem))
-        return false;
-
-    // FIXME: previousElementSibling does not ignore non-rendered content like <span></span>.  Should we?
-    RefPtrWillBeRawPtr<Element> previousList = ElementTraversal::previousSibling(*selectedListItem);
-    RefPtrWillBeRawPtr<Element> nextList = ElementTraversal::nextSibling(*selectedListItem);
-
-    // We should calculate visible range in list item because inserting new
-    // list element will change visibility of list item, e.g. :first-child
-    // CSS selector.
-    RefPtrWillBeRawPtr<HTMLElement> newList = toHTMLElement(document().createElement(listElement->tagQName(), false).get());
-    insertNodeBefore(newList, selectedListItem.get());
-
-    // We should clone all the children of the list item for indenting purposes. However, in case the current
-    // selection does not encompass all its children, we need to explicitally handle the same. The original
-    // list item too would require proper deletion in that case.
-    if (end.anchorNode() == selectedListItem.get() || end.anchorNode()->isDescendantOf(selectedListItem->lastChild())) {
-        moveParagraphWithClones(VisiblePosition(start), VisiblePosition(end), newList.get(), selectedListItem.get());
-    } else {
-        moveParagraphWithClones(VisiblePosition(start), VisiblePosition(positionAfterNode(selectedListItem->lastChild())), newList.get(), selectedListItem.get());
-        removeNode(selectedListItem.get());
-    }
-
-    if (canMergeLists(previousList.get(), newList.get()))
-        mergeIdenticalElements(previousList.get(), newList.get());
-    if (canMergeLists(newList.get(), nextList.get()))
-        mergeIdenticalElements(newList.get(), nextList.get());
-
-    return true;
-}
-
-void IndentOutdentCommand::indentIntoBlockquote(const Position& start, const Position& end, RefPtrWillBeRawPtr<HTMLElement>& targetBlockquote)
-{
-    Element* enclosingCell = toElement(enclosingNodeOfType(start, &isTableCell));
-    Element* elementToSplitTo;
-    if (enclosingCell)
-        elementToSplitTo = enclosingCell;
-    else if (enclosingList(start.computeContainerNode()))
-        elementToSplitTo = enclosingBlock(start.computeContainerNode());
-    else
-        elementToSplitTo = editableRootForPosition(start);
-
-    if (!elementToSplitTo)
-        return;
-
-    RefPtrWillBeRawPtr<Node> outerBlock = (start.computeContainerNode() == elementToSplitTo) ? start.computeContainerNode() : splitTreeToNode(start.computeContainerNode(), elementToSplitTo).get();
-
-    VisiblePosition startOfContents(start);
-    if (!targetBlockquote) {
-        // Create a new blockquote and insert it as a child of the root editable element. We accomplish
-        // this by splitting all parents of the current paragraph up to that point.
-        targetBlockquote = createBlockElement();
-        if (outerBlock == start.computeContainerNode())
-            insertNodeAt(targetBlockquote, start);
-        else
-            insertNodeBefore(targetBlockquote, outerBlock);
-        startOfContents = VisiblePosition(positionInParentAfterNode(*targetBlockquote));
-    }
-
-    VisiblePosition endOfContents(end);
-    if (startOfContents.isNull() || endOfContents.isNull())
-        return;
-    moveParagraphWithClones(startOfContents, endOfContents, targetBlockquote.get(), outerBlock.get());
-}
-
-void IndentOutdentCommand::outdentParagraph()
-{
-    VisiblePosition visibleStartOfParagraph = startOfParagraph(endingSelection().visibleStart());
-    VisiblePosition visibleEndOfParagraph = endOfParagraph(visibleStartOfParagraph);
-
-    HTMLElement* enclosingElement = toHTMLElement(enclosingNodeOfType(visibleStartOfParagraph.deepEquivalent(), &isHTMLListOrBlockquoteElement));
-    if (!enclosingElement || !enclosingElement->parentNode()->hasEditableStyle()) // We can't outdent if there is no place to go!
-        return;
-
-    // Use InsertListCommand to remove the selection from the list
-    if (isHTMLOListElement(*enclosingElement)) {
-        applyCommandToComposite(InsertListCommand::create(document(), InsertListCommand::OrderedList));
-        return;
-    }
-    if (isHTMLUListElement(*enclosingElement)) {
-        applyCommandToComposite(InsertListCommand::create(document(), InsertListCommand::UnorderedList));
-        return;
-    }
-
-    // The selection is inside a blockquote i.e. enclosingNode is a blockquote
-    VisiblePosition positionInEnclosingBlock = VisiblePosition(firstPositionInNode(enclosingElement));
-    // If the blockquote is inline, the start of the enclosing block coincides with
-    // positionInEnclosingBlock.
-    VisiblePosition startOfEnclosingBlock = (enclosingElement->layoutObject() && enclosingElement->layoutObject()->isInline()) ? positionInEnclosingBlock : startOfBlock(positionInEnclosingBlock);
-    VisiblePosition lastPositionInEnclosingBlock = VisiblePosition(lastPositionInNode(enclosingElement));
-    VisiblePosition endOfEnclosingBlock = endOfBlock(lastPositionInEnclosingBlock);
-    if (visibleStartOfParagraph.deepEquivalent() == startOfEnclosingBlock.deepEquivalent()
-        && visibleEndOfParagraph.deepEquivalent() == endOfEnclosingBlock.deepEquivalent()) {
-        // The blockquote doesn't contain anything outside the paragraph, so it can be totally removed.
-        Node* splitPoint = enclosingElement->nextSibling();
-        removeNodePreservingChildren(enclosingElement);
-        // outdentRegion() assumes it is operating on the first paragraph of an enclosing blockquote, but if there are multiply nested blockquotes and we've
-        // just removed one, then this assumption isn't true. By splitting the next containing blockquote after this node, we keep this assumption true
-        if (splitPoint) {
-            if (Element* splitPointParent = splitPoint->parentElement()) {
-                if (splitPointParent->hasTagName(blockquoteTag)
-                    && !splitPoint->hasTagName(blockquoteTag)
-                    && splitPointParent->parentNode()->hasEditableStyle()) // We can't outdent if there is no place to go!
-                    splitElement(splitPointParent, splitPoint);
-            }
-        }
-
-        document().updateLayoutIgnorePendingStylesheets();
-        visibleStartOfParagraph = VisiblePosition(visibleStartOfParagraph.deepEquivalent());
-        visibleEndOfParagraph = VisiblePosition(visibleEndOfParagraph.deepEquivalent());
-        if (visibleStartOfParagraph.isNotNull() && !isStartOfParagraph(visibleStartOfParagraph))
-            insertNodeAt(createBreakElement(document()), visibleStartOfParagraph.deepEquivalent());
-        if (visibleEndOfParagraph.isNotNull() && !isEndOfParagraph(visibleEndOfParagraph))
-            insertNodeAt(createBreakElement(document()), visibleEndOfParagraph.deepEquivalent());
-
-        return;
-    }
-    RefPtrWillBeRawPtr<Node> splitBlockquoteNode = enclosingElement;
-    if (Element* enclosingBlockFlow = enclosingBlock(visibleStartOfParagraph.deepEquivalent().anchorNode())) {
-        if (enclosingBlockFlow != enclosingElement) {
-            splitBlockquoteNode = splitTreeToNode(enclosingBlockFlow, enclosingElement, true);
-        } else {
-            // We split the blockquote at where we start outdenting.
-            Node* highestInlineNode = highestEnclosingNodeOfType(visibleStartOfParagraph.deepEquivalent(), isInline, CannotCrossEditingBoundary, enclosingBlockFlow);
-            splitElement(enclosingElement, highestInlineNode ? highestInlineNode : visibleStartOfParagraph.deepEquivalent().anchorNode());
-        }
-    }
-    VisiblePosition startOfParagraphToMove(startOfParagraph(visibleStartOfParagraph));
-    VisiblePosition endOfParagraphToMove(endOfParagraph(visibleEndOfParagraph));
-    if (startOfParagraphToMove.isNull() || endOfParagraphToMove.isNull())
-        return;
-    RefPtrWillBeRawPtr<HTMLBRElement> placeholder = createBreakElement(document());
-    insertNodeBefore(placeholder, splitBlockquoteNode);
-    moveParagraph(startOfParagraphToMove, endOfParagraphToMove, VisiblePosition(positionBeforeNode(placeholder.get())), true);
-}
-
-// FIXME: We should merge this function with ApplyBlockElementCommand::formatSelection
-void IndentOutdentCommand::outdentRegion(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection)
-{
-    VisiblePosition endOfCurrentParagraph = endOfParagraph(startOfSelection);
-    VisiblePosition endOfLastParagraph = endOfParagraph(endOfSelection);
-
-    if (endOfCurrentParagraph.deepEquivalent() == endOfLastParagraph.deepEquivalent()) {
-        outdentParagraph();
-        return;
-    }
-
-    Position originalSelectionEnd = endingSelection().end();
-    VisiblePosition endAfterSelection = endOfParagraph(endOfLastParagraph.next());
-
-    while (endOfCurrentParagraph.deepEquivalent() != endAfterSelection.deepEquivalent()) {
-        VisiblePosition endOfNextParagraph = endOfParagraph(endOfCurrentParagraph.next());
-        if (endOfCurrentParagraph.deepEquivalent() == endOfLastParagraph.deepEquivalent())
-            setEndingSelection(VisibleSelection(originalSelectionEnd, DOWNSTREAM));
-        else
-            setEndingSelection(endOfCurrentParagraph);
-
-        outdentParagraph();
-
-        // outdentParagraph could move more than one paragraph if the paragraph
-        // is in a list item. As a result, endAfterSelection and endOfNextParagraph
-        // could refer to positions no longer in the document.
-        if (endAfterSelection.isNotNull() && !endAfterSelection.deepEquivalent().inDocument())
-            break;
-
-        if (endOfNextParagraph.isNotNull() && !endOfNextParagraph.deepEquivalent().inDocument()) {
-            endOfCurrentParagraph = VisiblePosition(endingSelection().end());
-            endOfNextParagraph = endOfParagraph(endOfCurrentParagraph.next());
-        }
-        endOfCurrentParagraph = endOfNextParagraph;
-    }
-}
-
-void IndentOutdentCommand::formatSelection(const VisiblePosition& startOfSelection, const VisiblePosition& endOfSelection)
-{
-    if (m_typeOfAction == Indent)
-        ApplyBlockElementCommand::formatSelection(startOfSelection, endOfSelection);
-    else
-        outdentRegion(startOfSelection, endOfSelection);
-}
-
-void IndentOutdentCommand::formatRange(const Position& start, const Position& end, const Position&, RefPtrWillBeRawPtr<HTMLElement>& blockquoteForNextIndent)
-{
-    if (tryIndentingAsListItem(start, end))
-        blockquoteForNextIndent = nullptr;
-    else
-        indentIntoBlockquote(start, end, blockquoteForNextIndent);
-}
-
-}