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Side by Side Diff: third_party/WebKit/Source/core/editing/commands/CompositeEditCommand.cpp

Issue 2639913002: Move class EditCommandComposition to UndoStep.h/cpp (Closed)
Patch Set: Created 3 years, 11 months ago
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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
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72 #include "core/layout/LayoutBlock.h" 72 #include "core/layout/LayoutBlock.h"
73 #include "core/layout/LayoutListItem.h" 73 #include "core/layout/LayoutListItem.h"
74 #include "core/layout/LayoutText.h" 74 #include "core/layout/LayoutText.h"
75 #include "core/layout/line/InlineTextBox.h" 75 #include "core/layout/line/InlineTextBox.h"
76 #include <algorithm> 76 #include <algorithm>
77 77
78 namespace blink { 78 namespace blink {
79 79
80 using namespace HTMLNames; 80 using namespace HTMLNames;
81 81
82 EditCommandComposition* EditCommandComposition::create(
83 Document* document,
84 const VisibleSelection& startingSelection,
85 const VisibleSelection& endingSelection,
86 InputEvent::InputType inputType) {
87 return new EditCommandComposition(document, startingSelection,
88 endingSelection, inputType);
89 }
90
91 EditCommandComposition::EditCommandComposition(
92 Document* document,
93 const VisibleSelection& startingSelection,
94 const VisibleSelection& endingSelection,
95 InputEvent::InputType inputType)
96 : m_document(document),
97 m_startingSelection(startingSelection),
98 m_endingSelection(endingSelection),
99 m_startingRootEditableElement(startingSelection.rootEditableElement()),
100 m_endingRootEditableElement(endingSelection.rootEditableElement()),
101 m_inputType(inputType) {}
102
103 void EditCommandComposition::unapply() {
104 DCHECK(m_document);
105 LocalFrame* frame = m_document->frame();
106 DCHECK(frame);
107
108 // Changes to the document may have been made since the last editing operation
109 // that require a layout, as in <rdar://problem/5658603>. Low level
110 // operations, like RemoveNodeCommand, don't require a layout because the high
111 // level operations that use them perform one if one is necessary (like for
112 // the creation of VisiblePositions).
113 m_document->updateStyleAndLayoutIgnorePendingStylesheets();
114
115 {
116 size_t size = m_commands.size();
117 for (size_t i = size; i; --i)
118 m_commands[i - 1]->doUnapply();
119 }
120
121 frame->editor().unappliedEditing(this);
122 }
123
124 void EditCommandComposition::reapply() {
125 DCHECK(m_document);
126 LocalFrame* frame = m_document->frame();
127 DCHECK(frame);
128
129 // Changes to the document may have been made since the last editing operation
130 // that require a layout, as in <rdar://problem/5658603>. Low level
131 // operations, like RemoveNodeCommand, don't require a layout because the high
132 // level operations that use them perform one if one is necessary (like for
133 // the creation of VisiblePositions).
134 m_document->updateStyleAndLayoutIgnorePendingStylesheets();
135
136 {
137 for (const auto& command : m_commands)
138 command->doReapply();
139 }
140
141 frame->editor().reappliedEditing(this);
142 }
143
144 InputEvent::InputType EditCommandComposition::inputType() const {
145 return m_inputType;
146 }
147
148 void EditCommandComposition::append(SimpleEditCommand* command) {
149 m_commands.push_back(command);
150 }
151
152 void EditCommandComposition::append(EditCommandComposition* composition) {
153 m_commands.appendVector(composition->m_commands);
154 }
155
156 void EditCommandComposition::setStartingSelection(
157 const VisibleSelection& selection) {
158 m_startingSelection = selection;
159 m_startingRootEditableElement = selection.rootEditableElement();
160 }
161
162 void EditCommandComposition::setEndingSelection(
163 const VisibleSelection& selection) {
164 m_endingSelection = selection;
165 m_endingRootEditableElement = selection.rootEditableElement();
166 }
167
168 DEFINE_TRACE(EditCommandComposition) {
169 visitor->trace(m_document);
170 visitor->trace(m_startingSelection);
171 visitor->trace(m_endingSelection);
172 visitor->trace(m_commands);
173 visitor->trace(m_startingRootEditableElement);
174 visitor->trace(m_endingRootEditableElement);
175 UndoStep::trace(visitor);
176 }
177
178 CompositeEditCommand::CompositeEditCommand(Document& document) 82 CompositeEditCommand::CompositeEditCommand(Document& document)
179 : EditCommand(document) {} 83 : EditCommand(document) {}
180 84
181 CompositeEditCommand::~CompositeEditCommand() { 85 CompositeEditCommand::~CompositeEditCommand() {
182 DCHECK(isTopLevelCommand() || !m_composition); 86 DCHECK(isTopLevelCommand() || !m_composition);
183 } 87 }
184 88
185 bool CompositeEditCommand::apply() { 89 bool CompositeEditCommand::apply() {
186 DCHECK(!isCommandGroupWrapper()); 90 DCHECK(!isCommandGroupWrapper());
187 if (!endingSelection().isContentRichlyEditable()) { 91 if (!endingSelection().isContentRichlyEditable()) {
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2025 return node; 1929 return node;
2026 } 1930 }
2027 1931
2028 DEFINE_TRACE(CompositeEditCommand) { 1932 DEFINE_TRACE(CompositeEditCommand) {
2029 visitor->trace(m_commands); 1933 visitor->trace(m_commands);
2030 visitor->trace(m_composition); 1934 visitor->trace(m_composition);
2031 EditCommand::trace(visitor); 1935 EditCommand::trace(visitor);
2032 } 1936 }
2033 1937
2034 } // namespace blink 1938 } // namespace blink
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