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1 /* | 1 /* |
2 * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "core/editing/commands/CompositeEditCommand.h" | 26 #include "core/editing/commands/CompositeEditCommand.h" |
27 | 27 |
28 #include <algorithm> | |
Xiaocheng
2017/02/22 01:49:23
No need to change include order.
rlanday
2017/02/22 02:01:10
git cl format did this, the linter will probably c
| |
28 #include "bindings/core/v8/ExceptionState.h" | 29 #include "bindings/core/v8/ExceptionState.h" |
29 #include "core/HTMLNames.h" | 30 #include "core/HTMLNames.h" |
30 #include "core/dom/Document.h" | 31 #include "core/dom/Document.h" |
31 #include "core/dom/DocumentFragment.h" | 32 #include "core/dom/DocumentFragment.h" |
32 #include "core/dom/ElementTraversal.h" | 33 #include "core/dom/ElementTraversal.h" |
33 #include "core/dom/NodeTraversal.h" | 34 #include "core/dom/NodeTraversal.h" |
34 #include "core/dom/Range.h" | 35 #include "core/dom/Range.h" |
35 #include "core/dom/Text.h" | 36 #include "core/dom/Text.h" |
36 #include "core/editing/EditingUtilities.h" | 37 #include "core/editing/EditingUtilities.h" |
37 #include "core/editing/Editor.h" | 38 #include "core/editing/Editor.h" |
38 #include "core/editing/PlainTextRange.h" | 39 #include "core/editing/PlainTextRange.h" |
39 #include "core/editing/RelocatablePosition.h" | 40 #include "core/editing/RelocatablePosition.h" |
40 #include "core/editing/VisibleUnits.h" | 41 #include "core/editing/VisibleUnits.h" |
41 #include "core/editing/commands/AppendNodeCommand.h" | 42 #include "core/editing/commands/AppendNodeCommand.h" |
42 #include "core/editing/commands/ApplyStyleCommand.h" | 43 #include "core/editing/commands/ApplyStyleCommand.h" |
43 #include "core/editing/commands/DeleteFromTextNodeCommand.h" | 44 #include "core/editing/commands/DeleteFromTextNodeCommand.h" |
44 #include "core/editing/commands/DeleteSelectionCommand.h" | 45 #include "core/editing/commands/DeleteSelectionCommand.h" |
45 #include "core/editing/commands/InsertIntoTextNodeCommand.h" | 46 #include "core/editing/commands/InsertIntoTextNodeCommand.h" |
46 #include "core/editing/commands/InsertLineBreakCommand.h" | 47 #include "core/editing/commands/InsertLineBreakCommand.h" |
47 #include "core/editing/commands/InsertNodeBeforeCommand.h" | 48 #include "core/editing/commands/InsertNodeBeforeCommand.h" |
48 #include "core/editing/commands/InsertParagraphSeparatorCommand.h" | 49 #include "core/editing/commands/InsertParagraphSeparatorCommand.h" |
49 #include "core/editing/commands/MergeIdenticalElementsCommand.h" | 50 #include "core/editing/commands/MergeIdenticalElementsCommand.h" |
50 #include "core/editing/commands/RemoveCSSPropertyCommand.h" | 51 #include "core/editing/commands/RemoveCSSPropertyCommand.h" |
51 #include "core/editing/commands/RemoveNodeCommand.h" | 52 #include "core/editing/commands/RemoveNodeCommand.h" |
52 #include "core/editing/commands/RemoveNodePreservingChildrenCommand.h" | 53 #include "core/editing/commands/RemoveNodePreservingChildrenCommand.h" |
53 #include "core/editing/commands/ReplaceNodeWithSpanCommand.h" | 54 #include "core/editing/commands/ReplaceNodeWithSpanCommand.h" |
54 #include "core/editing/commands/ReplaceSelectionCommand.h" | 55 #include "core/editing/commands/ReplaceSelectionCommand.h" |
56 #include "core/editing/commands/SetCharacterDataCommand.h" | |
55 #include "core/editing/commands/SetNodeAttributeCommand.h" | 57 #include "core/editing/commands/SetNodeAttributeCommand.h" |
56 #include "core/editing/commands/SplitElementCommand.h" | 58 #include "core/editing/commands/SplitElementCommand.h" |
57 #include "core/editing/commands/SplitTextNodeCommand.h" | 59 #include "core/editing/commands/SplitTextNodeCommand.h" |
58 #include "core/editing/commands/SplitTextNodeContainingElementCommand.h" | 60 #include "core/editing/commands/SplitTextNodeContainingElementCommand.h" |
59 #include "core/editing/commands/WrapContentsInDummySpanCommand.h" | 61 #include "core/editing/commands/WrapContentsInDummySpanCommand.h" |
60 #include "core/editing/iterators/TextIterator.h" | 62 #include "core/editing/iterators/TextIterator.h" |
61 #include "core/editing/markers/DocumentMarkerController.h" | 63 #include "core/editing/markers/DocumentMarkerController.h" |
62 #include "core/editing/serializers/Serialization.h" | 64 #include "core/editing/serializers/Serialization.h" |
63 #include "core/editing/spellcheck/SpellChecker.h" | 65 #include "core/editing/spellcheck/SpellChecker.h" |
64 #include "core/events/ScopedEventQueue.h" | 66 #include "core/events/ScopedEventQueue.h" |
65 #include "core/frame/LocalFrame.h" | 67 #include "core/frame/LocalFrame.h" |
66 #include "core/html/HTMLBRElement.h" | 68 #include "core/html/HTMLBRElement.h" |
67 #include "core/html/HTMLDivElement.h" | 69 #include "core/html/HTMLDivElement.h" |
68 #include "core/html/HTMLElement.h" | 70 #include "core/html/HTMLElement.h" |
69 #include "core/html/HTMLLIElement.h" | 71 #include "core/html/HTMLLIElement.h" |
70 #include "core/html/HTMLQuoteElement.h" | 72 #include "core/html/HTMLQuoteElement.h" |
71 #include "core/html/HTMLSpanElement.h" | 73 #include "core/html/HTMLSpanElement.h" |
72 #include "core/layout/LayoutBlock.h" | 74 #include "core/layout/LayoutBlock.h" |
73 #include "core/layout/LayoutListItem.h" | 75 #include "core/layout/LayoutListItem.h" |
74 #include "core/layout/LayoutText.h" | 76 #include "core/layout/LayoutText.h" |
75 #include "core/layout/line/InlineTextBox.h" | 77 #include "core/layout/line/InlineTextBox.h" |
76 #include <algorithm> | |
77 | 78 |
78 namespace blink { | 79 namespace blink { |
79 | 80 |
80 using namespace HTMLNames; | 81 using namespace HTMLNames; |
81 | 82 |
82 CompositeEditCommand::CompositeEditCommand(Document& document) | 83 CompositeEditCommand::CompositeEditCommand(Document& document) |
83 : EditCommand(document) { | 84 : EditCommand(document) { |
84 setStartingSelection(document.frame() | 85 setStartingSelection(document.frame() |
85 ->selection() | 86 ->selection() |
86 .computeVisibleSelectionInDOMTreeDeprecated()); | 87 .computeVisibleSelectionInDOMTreeDeprecated()); |
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524 // DeleteFromTextNodeCommand is never aborted. | 525 // DeleteFromTextNodeCommand is never aborted. |
525 applyCommandToComposite( | 526 applyCommandToComposite( |
526 DeleteFromTextNodeCommand::create(node, offset, count), | 527 DeleteFromTextNodeCommand::create(node, offset, count), |
527 ASSERT_NO_EDITING_ABORT); | 528 ASSERT_NO_EDITING_ABORT); |
528 } | 529 } |
529 | 530 |
530 void CompositeEditCommand::replaceTextInNode(Text* node, | 531 void CompositeEditCommand::replaceTextInNode(Text* node, |
531 unsigned offset, | 532 unsigned offset, |
532 unsigned count, | 533 unsigned count, |
533 const String& replacementText) { | 534 const String& replacementText) { |
534 // DeleteFromTextNodeCommand and InsertIntoTextNodeCommand are never | 535 // SetCharacterDataCommand is never aborted. |
535 // aborted. | |
536 applyCommandToComposite( | 536 applyCommandToComposite( |
537 DeleteFromTextNodeCommand::create(node, offset, count), | 537 SetCharacterDataCommand::create(node, offset, count, replacementText), |
538 ASSERT_NO_EDITING_ABORT); | 538 ASSERT_NO_EDITING_ABORT); |
539 if (!replacementText.isEmpty()) | |
540 applyCommandToComposite( | |
541 InsertIntoTextNodeCommand::create(node, offset, replacementText), | |
542 ASSERT_NO_EDITING_ABORT); | |
543 } | 539 } |
544 | 540 |
545 Position CompositeEditCommand::replaceSelectedTextInNode(const String& text) { | 541 Position CompositeEditCommand::replaceSelectedTextInNode(const String& text) { |
546 Position start = endingSelection().start(); | 542 Position start = endingSelection().start(); |
547 Position end = endingSelection().end(); | 543 Position end = endingSelection().end(); |
548 if (start.computeContainerNode() != end.computeContainerNode() || | 544 if (start.computeContainerNode() != end.computeContainerNode() || |
549 !start.computeContainerNode()->isTextNode() || | 545 !start.computeContainerNode()->isTextNode() || |
550 isTabHTMLSpanElementTextNode(start.computeContainerNode())) | 546 isTabHTMLSpanElementTextNode(start.computeContainerNode())) |
551 return Position(); | 547 return Position(); |
552 | 548 |
553 Text* textNode = toText(start.computeContainerNode()); | 549 Text* textNode = toText(start.computeContainerNode()); |
554 replaceTextInNode(textNode, start.offsetInContainerNode(), | 550 replaceTextInNode(textNode, start.offsetInContainerNode(), |
555 end.offsetInContainerNode() - start.offsetInContainerNode(), | 551 end.offsetInContainerNode() - start.offsetInContainerNode(), |
556 text); | 552 text); |
557 | 553 |
558 return Position(textNode, start.offsetInContainerNode() + text.length()); | 554 return Position(textNode, start.offsetInContainerNode() + text.length()); |
559 } | 555 } |
560 | 556 |
561 static void copyMarkerTypesAndDescriptions( | |
562 const DocumentMarkerVector& markerPointers, | |
563 Vector<DocumentMarker::MarkerType>& types, | |
564 Vector<String>& descriptions) { | |
565 size_t arraySize = markerPointers.size(); | |
566 types.reserveCapacity(arraySize); | |
567 descriptions.reserveCapacity(arraySize); | |
568 for (const auto& markerPointer : markerPointers) { | |
569 types.push_back(markerPointer->type()); | |
570 descriptions.push_back(markerPointer->description()); | |
571 } | |
572 } | |
573 | |
574 void CompositeEditCommand::replaceTextInNodePreservingMarkers( | |
575 Text* node, | |
576 unsigned offset, | |
577 unsigned count, | |
578 const String& replacementText) { | |
579 DocumentMarkerController& markerController = document().markers(); | |
580 Vector<DocumentMarker::MarkerType> types; | |
581 Vector<String> descriptions; | |
582 copyMarkerTypesAndDescriptions( | |
583 markerController.markersInRange( | |
584 EphemeralRange(Position(node, offset), | |
585 Position(node, offset + count)), | |
586 DocumentMarker::AllMarkers()), | |
587 types, descriptions); | |
588 | |
589 replaceTextInNode(node, offset, count, replacementText); | |
590 | |
591 // Re-adding markers requires a clean tree. | |
592 document().updateStyleAndLayout(); | |
593 | |
594 DocumentLifecycle::DisallowTransitionScope disallowTransition( | |
595 document().lifecycle()); | |
596 Position startPosition(node, offset); | |
597 Position endPosition(node, offset + replacementText.length()); | |
598 DCHECK_EQ(types.size(), descriptions.size()); | |
599 | |
600 for (size_t i = 0; i < types.size(); ++i) | |
601 markerController.addMarker(startPosition, endPosition, types[i], | |
602 descriptions[i]); | |
603 } | |
604 | |
605 Position CompositeEditCommand::positionOutsideTabSpan(const Position& pos) { | 557 Position CompositeEditCommand::positionOutsideTabSpan(const Position& pos) { |
606 if (!isTabHTMLSpanElementTextNode(pos.anchorNode())) | 558 if (!isTabHTMLSpanElementTextNode(pos.anchorNode())) |
607 return pos; | 559 return pos; |
608 | 560 |
609 switch (pos.anchorType()) { | 561 switch (pos.anchorType()) { |
610 case PositionAnchorType::BeforeChildren: | 562 case PositionAnchorType::BeforeChildren: |
611 case PositionAnchorType::AfterChildren: | 563 case PositionAnchorType::AfterChildren: |
612 NOTREACHED(); | 564 NOTREACHED(); |
613 return pos; | 565 return pos; |
614 case PositionAnchorType::OffsetInAnchor: | 566 case PositionAnchorType::OffsetInAnchor: |
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767 !isWhitespace(toText(textNode->nextSibling())->data()[0]); | 719 !isWhitespace(toText(textNode->nextSibling())->data()[0]); |
768 const bool shouldEmitNBSPbeforeEnd = | 720 const bool shouldEmitNBSPbeforeEnd = |
769 (isEndOfParagraph(visibleDownstreamPos) || | 721 (isEndOfParagraph(visibleDownstreamPos) || |
770 (unsigned)downstream == text.length()) && | 722 (unsigned)downstream == text.length()) && |
771 !nextSiblingIsTextNode; | 723 !nextSiblingIsTextNode; |
772 String rebalancedString = stringWithRebalancedWhitespace( | 724 String rebalancedString = stringWithRebalancedWhitespace( |
773 string, isStartOfParagraph(visibleUpstreamPos) || !upstream, | 725 string, isStartOfParagraph(visibleUpstreamPos) || !upstream, |
774 shouldEmitNBSPbeforeEnd); | 726 shouldEmitNBSPbeforeEnd); |
775 | 727 |
776 if (string != rebalancedString) | 728 if (string != rebalancedString) |
777 replaceTextInNodePreservingMarkers(textNode, upstream, length, | 729 replaceTextInNode(textNode, upstream, length, rebalancedString); |
778 rebalancedString); | |
779 } | 730 } |
780 | 731 |
781 void CompositeEditCommand::prepareWhitespaceAtPositionForSplit( | 732 void CompositeEditCommand::prepareWhitespaceAtPositionForSplit( |
782 Position& position) { | 733 Position& position) { |
783 if (!isRichlyEditablePosition(position)) | 734 if (!isRichlyEditablePosition(position)) |
784 return; | 735 return; |
785 Node* node = position.anchorNode(); | 736 Node* node = position.anchorNode(); |
786 if (!node || !node->isTextNode()) | 737 if (!node || !node->isTextNode()) |
787 return; | 738 return; |
788 Text* textNode = toText(node); | 739 Text* textNode = toText(node); |
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809 } | 760 } |
810 | 761 |
811 void CompositeEditCommand:: | 762 void CompositeEditCommand:: |
812 replaceCollapsibleWhitespaceWithNonBreakingSpaceIfNeeded( | 763 replaceCollapsibleWhitespaceWithNonBreakingSpaceIfNeeded( |
813 const VisiblePosition& visiblePosition) { | 764 const VisiblePosition& visiblePosition) { |
814 if (!isCollapsibleWhitespace(characterAfter(visiblePosition))) | 765 if (!isCollapsibleWhitespace(characterAfter(visiblePosition))) |
815 return; | 766 return; |
816 Position pos = mostForwardCaretPosition(visiblePosition.deepEquivalent()); | 767 Position pos = mostForwardCaretPosition(visiblePosition.deepEquivalent()); |
817 if (!pos.computeContainerNode() || !pos.computeContainerNode()->isTextNode()) | 768 if (!pos.computeContainerNode() || !pos.computeContainerNode()->isTextNode()) |
818 return; | 769 return; |
819 replaceTextInNodePreservingMarkers(toText(pos.computeContainerNode()), | 770 replaceTextInNode(toText(pos.computeContainerNode()), |
820 pos.offsetInContainerNode(), 1, | 771 pos.offsetInContainerNode(), 1, nonBreakingSpaceString()); |
821 nonBreakingSpaceString()); | |
822 } | 772 } |
823 | 773 |
824 void CompositeEditCommand::rebalanceWhitespace() { | 774 void CompositeEditCommand::rebalanceWhitespace() { |
825 VisibleSelection selection = endingSelection(); | 775 VisibleSelection selection = endingSelection(); |
826 if (selection.isNone()) | 776 if (selection.isNone()) |
827 return; | 777 return; |
828 | 778 |
829 rebalanceWhitespaceAt(selection.start()); | 779 rebalanceWhitespaceAt(selection.start()); |
830 if (selection.isRange()) | 780 if (selection.isRange()) |
831 rebalanceWhitespaceAt(selection.end()); | 781 rebalanceWhitespaceAt(selection.end()); |
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1972 | 1922 |
1973 DEFINE_TRACE(CompositeEditCommand) { | 1923 DEFINE_TRACE(CompositeEditCommand) { |
1974 visitor->trace(m_commands); | 1924 visitor->trace(m_commands); |
1975 visitor->trace(m_startingSelection); | 1925 visitor->trace(m_startingSelection); |
1976 visitor->trace(m_endingSelection); | 1926 visitor->trace(m_endingSelection); |
1977 visitor->trace(m_undoStep); | 1927 visitor->trace(m_undoStep); |
1978 EditCommand::trace(visitor); | 1928 EditCommand::trace(visitor); |
1979 } | 1929 } |
1980 | 1930 |
1981 } // namespace blink | 1931 } // namespace blink |
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