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| 1 /* | 1 /* |
| 2 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2005, 2006, 2007 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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| 1829 return node.isElementNode() && layoutObject && layoutObject->isLayoutBlockFl
ow(); | 1829 return node.isElementNode() && layoutObject && layoutObject->isLayoutBlockFl
ow(); |
| 1830 } | 1830 } |
| 1831 | 1831 |
| 1832 Position adjustedSelectionStartForStyleComputation(const VisibleSelection& selec
tion) | 1832 Position adjustedSelectionStartForStyleComputation(const VisibleSelection& selec
tion) |
| 1833 { | 1833 { |
| 1834 // This function is used by range style computations to avoid bugs like: | 1834 // This function is used by range style computations to avoid bugs like: |
| 1835 // <rdar://problem/4017641> REGRESSION (Mail): you can only bold/unbold a se
lection starting from end of line once | 1835 // <rdar://problem/4017641> REGRESSION (Mail): you can only bold/unbold a se
lection starting from end of line once |
| 1836 // It is important to skip certain irrelevant content at the start of the se
lection, so we do not wind up | 1836 // It is important to skip certain irrelevant content at the start of the se
lection, so we do not wind up |
| 1837 // with a spurious "mixed" style. | 1837 // with a spurious "mixed" style. |
| 1838 | 1838 |
| 1839 VisiblePosition visiblePosition = createVisiblePositionDeprecated(selection.
start()); | 1839 VisiblePosition visiblePosition = createVisiblePosition(selection.start()); |
| 1840 if (visiblePosition.isNull()) | 1840 if (visiblePosition.isNull()) |
| 1841 return Position(); | 1841 return Position(); |
| 1842 | 1842 |
| 1843 // if the selection is a caret, just return the position, since the style | 1843 // if the selection is a caret, just return the position, since the style |
| 1844 // behind us is relevant | 1844 // behind us is relevant |
| 1845 if (selection.isCaret()) | 1845 if (selection.isCaret()) |
| 1846 return visiblePosition.deepEquivalent(); | 1846 return visiblePosition.deepEquivalent(); |
| 1847 | 1847 |
| 1848 // if the selection starts just before a paragraph break, skip over it | 1848 // if the selection starts just before a paragraph break, skip over it |
| 1849 if (isEndOfParagraph(visiblePosition)) | 1849 if (isEndOfParagraph(visiblePosition)) |
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| 1918 return InputType::DeleteWordBackward; | 1918 return InputType::DeleteWordBackward; |
| 1919 if (granularity == LineBoundary) | 1919 if (granularity == LineBoundary) |
| 1920 return InputType::DeleteLineBackward; | 1920 return InputType::DeleteLineBackward; |
| 1921 return InputType::DeleteContentBackward; | 1921 return InputType::DeleteContentBackward; |
| 1922 default: | 1922 default: |
| 1923 return InputType::None; | 1923 return InputType::None; |
| 1924 } | 1924 } |
| 1925 } | 1925 } |
| 1926 | 1926 |
| 1927 } // namespace blink | 1927 } // namespace blink |
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