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| 1 /* | 1 /* |
| 2 * Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2005, 2006 Apple Computer, 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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| 80 return; | 80 return; |
| 81 | 81 |
| 82 Position pos(caret.deepEquivalent()); | 82 Position pos(caret.deepEquivalent()); |
| 83 | 83 |
| 84 pos = positionAvoidingSpecialElementBoundary(pos, editingState); | 84 pos = positionAvoidingSpecialElementBoundary(pos, editingState); |
| 85 if (editingState->isAborted()) | 85 if (editingState->isAborted()) |
| 86 return; | 86 return; |
| 87 | 87 |
| 88 pos = positionOutsideTabSpan(pos); | 88 pos = positionOutsideTabSpan(pos); |
| 89 | 89 |
| 90 RefPtrWillBeRawPtr<Node> nodeToInsert = nullptr; | 90 RawPtr<Node> nodeToInsert = nullptr; |
| 91 if (shouldUseBreakElement(pos)) | 91 if (shouldUseBreakElement(pos)) |
| 92 nodeToInsert = HTMLBRElement::create(document()); | 92 nodeToInsert = HTMLBRElement::create(document()); |
| 93 else | 93 else |
| 94 nodeToInsert = document().createTextNode("\n"); | 94 nodeToInsert = document().createTextNode("\n"); |
| 95 | 95 |
| 96 // FIXME: Need to merge text nodes when inserting just after or before text. | 96 // FIXME: Need to merge text nodes when inserting just after or before text. |
| 97 | 97 |
| 98 if (isEndOfParagraph(caret) && !lineBreakExistsAtVisiblePosition(caret)) { | 98 if (isEndOfParagraph(caret) && !lineBreakExistsAtVisiblePosition(caret)) { |
| 99 bool needExtraLineBreak = !isHTMLHRElement(*pos.anchorNode()) && !isHTML
TableElement(*pos.anchorNode()); | 99 bool needExtraLineBreak = !isHTMLHRElement(*pos.anchorNode()) && !isHTML
TableElement(*pos.anchorNode()); |
| 100 | 100 |
| 101 insertNodeAt(nodeToInsert.get(), pos, editingState); | 101 insertNodeAt(nodeToInsert.get(), pos, editingState); |
| 102 if (editingState->isAborted()) | 102 if (editingState->isAborted()) |
| 103 return; | 103 return; |
| 104 | 104 |
| 105 if (needExtraLineBreak) { | 105 if (needExtraLineBreak) { |
| 106 RefPtrWillBeRawPtr<Node> extraNode; | 106 RawPtr<Node> extraNode; |
| 107 // TODO(tkent): Can we remove HTMLTextFormControlElement dependency? | 107 // TODO(tkent): Can we remove HTMLTextFormControlElement dependency? |
| 108 if (HTMLTextFormControlElement* textControl = enclosingTextFormContr
ol(nodeToInsert.get())) | 108 if (HTMLTextFormControlElement* textControl = enclosingTextFormContr
ol(nodeToInsert.get())) |
| 109 extraNode = textControl->createPlaceholderBreakElement(); | 109 extraNode = textControl->createPlaceholderBreakElement(); |
| 110 else | 110 else |
| 111 extraNode = nodeToInsert->cloneNode(false); | 111 extraNode = nodeToInsert->cloneNode(false); |
| 112 insertNodeAfter(extraNode.get(), nodeToInsert, editingState); | 112 insertNodeAfter(extraNode.get(), nodeToInsert, editingState); |
| 113 if (editingState->isAborted()) | 113 if (editingState->isAborted()) |
| 114 return; | 114 return; |
| 115 nodeToInsert = extraNode.release(); | 115 nodeToInsert = extraNode.release(); |
| 116 } | 116 } |
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| 152 // use |VisiblePosition::characterAfter()|. | 152 // use |VisiblePosition::characterAfter()|. |
| 153 if (!isRenderedCharacter(endingPosition)) { | 153 if (!isRenderedCharacter(endingPosition)) { |
| 154 Position positionBeforeTextNode(positionInParentBeforeNode(*textNode
)); | 154 Position positionBeforeTextNode(positionInParentBeforeNode(*textNode
)); |
| 155 // Clear out all whitespace and insert one non-breaking space | 155 // Clear out all whitespace and insert one non-breaking space |
| 156 deleteInsignificantTextDownstream(endingPosition); | 156 deleteInsignificantTextDownstream(endingPosition); |
| 157 ASSERT(!textNode->layoutObject() || textNode->layoutObject()->style(
)->collapseWhiteSpace()); | 157 ASSERT(!textNode->layoutObject() || textNode->layoutObject()->style(
)->collapseWhiteSpace()); |
| 158 // Deleting insignificant whitespace will remove textNode if it cont
ains nothing but insignificant whitespace. | 158 // Deleting insignificant whitespace will remove textNode if it cont
ains nothing but insignificant whitespace. |
| 159 if (textNode->inDocument()) { | 159 if (textNode->inDocument()) { |
| 160 insertTextIntoNode(textNode, 0, nonBreakingSpaceString()); | 160 insertTextIntoNode(textNode, 0, nonBreakingSpaceString()); |
| 161 } else { | 161 } else { |
| 162 RefPtrWillBeRawPtr<Text> nbspNode = document().createTextNode(no
nBreakingSpaceString()); | 162 RawPtr<Text> nbspNode = document().createTextNode(nonBreakingSpa
ceString()); |
| 163 insertNodeAt(nbspNode.get(), positionBeforeTextNode, editingStat
e); | 163 insertNodeAt(nbspNode.get(), positionBeforeTextNode, editingStat
e); |
| 164 if (editingState->isAborted()) | 164 if (editingState->isAborted()) |
| 165 return; | 165 return; |
| 166 endingPosition = firstPositionInNode(nbspNode.get()); | 166 endingPosition = firstPositionInNode(nbspNode.get()); |
| 167 } | 167 } |
| 168 } | 168 } |
| 169 | 169 |
| 170 setEndingSelection(VisibleSelection(endingPosition, TextAffinity::Downst
ream, endingSelection().isDirectional())); | 170 setEndingSelection(VisibleSelection(endingPosition, TextAffinity::Downst
ream, endingSelection().isDirectional())); |
| 171 } | 171 } |
| 172 | 172 |
| 173 // Handle the case where there is a typing style. | 173 // Handle the case where there is a typing style. |
| 174 | 174 |
| 175 RefPtrWillBeRawPtr<EditingStyle> typingStyle = document().frame()->selection
().typingStyle(); | 175 RawPtr<EditingStyle> typingStyle = document().frame()->selection().typingSty
le(); |
| 176 | 176 |
| 177 if (typingStyle && !typingStyle->isEmpty()) { | 177 if (typingStyle && !typingStyle->isEmpty()) { |
| 178 // Apply the typing style to the inserted line break, so that if the sel
ection | 178 // Apply the typing style to the inserted line break, so that if the sel
ection |
| 179 // leaves and then comes back, new input will have the right style. | 179 // leaves and then comes back, new input will have the right style. |
| 180 // FIXME: We shouldn't always apply the typing style to the line break h
ere, | 180 // FIXME: We shouldn't always apply the typing style to the line break h
ere, |
| 181 // see <rdar://problem/5794462>. | 181 // see <rdar://problem/5794462>. |
| 182 applyStyle(typingStyle.get(), firstPositionInOrBeforeNode(nodeToInsert.g
et()), lastPositionInOrAfterNode(nodeToInsert.get()), editingState); | 182 applyStyle(typingStyle.get(), firstPositionInOrBeforeNode(nodeToInsert.g
et()), lastPositionInOrAfterNode(nodeToInsert.get()), editingState); |
| 183 if (editingState->isAborted()) | 183 if (editingState->isAborted()) |
| 184 return; | 184 return; |
| 185 // Even though this applyStyle operates on a Range, it still sets an end
ingSelection(). | 185 // Even though this applyStyle operates on a Range, it still sets an end
ingSelection(). |
| 186 // It tries to set a VisibleSelection around the content it operated on.
So, that VisibleSelection | 186 // It tries to set a VisibleSelection around the content it operated on.
So, that VisibleSelection |
| 187 // will either (a) select the line break we inserted, or it will (b) be
a caret just | 187 // will either (a) select the line break we inserted, or it will (b) be
a caret just |
| 188 // before the line break (if the line break is at the end of a block it
isn't selectable). | 188 // before the line break (if the line break is at the end of a block it
isn't selectable). |
| 189 // So, this next call sets the endingSelection() to a caret just after t
he line break | 189 // So, this next call sets the endingSelection() to a caret just after t
he line break |
| 190 // that we inserted, or just before it if it's at the end of a block. | 190 // that we inserted, or just before it if it's at the end of a block. |
| 191 setEndingSelection(endingSelection().visibleEnd()); | 191 setEndingSelection(endingSelection().visibleEnd()); |
| 192 } | 192 } |
| 193 | 193 |
| 194 rebalanceWhitespace(); | 194 rebalanceWhitespace(); |
| 195 } | 195 } |
| 196 | 196 |
| 197 } // namespace blink | 197 } // namespace blink |
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