1 | /* |
2 | * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "CompositeEditCommand.h" |
29 | #include "NodeTraversal.h" |
30 | |
31 | namespace WebCore { |
32 | |
33 | class DocumentFragment; |
34 | class ReplacementFragment; |
35 | |
36 | class ReplaceSelectionCommand : public CompositeEditCommand { |
37 | public: |
38 | enum CommandOption { |
39 | SelectReplacement = 1 << 0, |
40 | SmartReplace = 1 << 1, |
41 | MatchStyle = 1 << 2, |
42 | PreventNesting = 1 << 3, |
43 | MovingParagraph = 1 << 4, |
44 | SanitizeFragment = 1 << 5, |
45 | IgnoreMailBlockquote = 1 << 6, |
46 | }; |
47 | |
48 | static Ref<ReplaceSelectionCommand> create(Document& document, RefPtr<DocumentFragment>&& fragment, OptionSet<CommandOption> options, EditAction editingAction = EditAction::Insert) |
49 | { |
50 | return adoptRef(*new ReplaceSelectionCommand(document, WTFMove(fragment), options, editingAction)); |
51 | } |
52 | |
53 | VisibleSelection visibleSelectionForInsertedText() const { return m_visibleSelectionForInsertedText; } |
54 | |
55 | private: |
56 | ReplaceSelectionCommand(Document&, RefPtr<DocumentFragment>&&, OptionSet<CommandOption>, EditAction); |
57 | |
58 | String inputEventData() const final; |
59 | RefPtr<DataTransfer> inputEventDataTransfer() const final; |
60 | bool willApplyCommand() final; |
61 | void doApply() override; |
62 | |
63 | class InsertedNodes { |
64 | public: |
65 | void respondToNodeInsertion(Node*); |
66 | void willRemoveNodePreservingChildren(Node*); |
67 | void willRemoveNode(Node*); |
68 | void didReplaceNode(Node*, Node* newNode); |
69 | |
70 | bool isEmpty() { return !m_firstNodeInserted; } |
71 | Node* firstNodeInserted() const { return m_firstNodeInserted.get(); } |
72 | Node* lastLeafInserted() const |
73 | { |
74 | ASSERT(m_lastNodeInserted); |
75 | return m_lastNodeInserted->lastDescendant(); |
76 | } |
77 | Node* pastLastLeaf() const |
78 | { |
79 | ASSERT(m_lastNodeInserted); |
80 | return NodeTraversal::next(*lastLeafInserted()); |
81 | } |
82 | |
83 | private: |
84 | RefPtr<Node> m_firstNodeInserted; |
85 | RefPtr<Node> m_lastNodeInserted; |
86 | }; |
87 | |
88 | Node* insertAsListItems(HTMLElement& listElement, Node* insertionNode, const Position&, InsertedNodes&); |
89 | |
90 | void updateNodesInserted(Node*); |
91 | bool shouldRemoveEndBR(Node*, const VisiblePosition&); |
92 | |
93 | bool shouldMergeStart(bool, bool, bool); |
94 | bool shouldMergeEnd(bool selectionEndWasEndOfParagraph); |
95 | bool shouldMerge(const VisiblePosition&, const VisiblePosition&); |
96 | |
97 | void mergeEndIfNeeded(); |
98 | |
99 | void removeUnrenderedTextNodesAtEnds(InsertedNodes&); |
100 | |
101 | void removeRedundantStylesAndKeepStyleSpanInline(InsertedNodes&); |
102 | void makeInsertedContentRoundTrippableWithHTMLTreeBuilder(InsertedNodes&); |
103 | void moveNodeOutOfAncestor(Node&, Node& ancestor, InsertedNodes&); |
104 | void handleStyleSpans(InsertedNodes&); |
105 | void handlePasteAsQuotationNode(); |
106 | |
107 | VisiblePosition positionAtStartOfInsertedContent() const; |
108 | VisiblePosition positionAtEndOfInsertedContent() const; |
109 | |
110 | bool shouldPerformSmartReplace() const; |
111 | bool shouldPerformSmartParagraphReplace() const; |
112 | void addSpacesForSmartReplace(); |
113 | void addNewLinesForSmartReplace(); |
114 | void completeHTMLReplacement(const Position& lastPositionToSelect); |
115 | void mergeTextNodesAroundPosition(Position&, Position& positionOnlyToBeUpdated); |
116 | |
117 | ReplacementFragment* ensureReplacementFragment(); |
118 | bool performTrivialReplace(const ReplacementFragment&); |
119 | |
120 | VisibleSelection m_visibleSelectionForInsertedText; |
121 | Position m_startOfInsertedContent; |
122 | Position m_endOfInsertedContent; |
123 | RefPtr<EditingStyle> m_insertionStyle; |
124 | bool m_selectReplacement; |
125 | bool m_smartReplace; |
126 | bool m_matchStyle; |
127 | RefPtr<DocumentFragment> m_documentFragment; |
128 | std::unique_ptr<ReplacementFragment> m_replacementFragment; |
129 | String m_documentFragmentHTMLMarkup; |
130 | String m_documentFragmentPlainText; |
131 | bool m_preventNesting; |
132 | bool m_movingParagraph; |
133 | bool m_sanitizeFragment; |
134 | bool m_shouldMergeEnd; |
135 | bool m_ignoreMailBlockquote; |
136 | }; |
137 | |
138 | } // namespace WebCore |
139 | |