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| 1 /* | 1 /* |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2012 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 59 Document* document = startPosition.document(); | 59 Document* document = startPosition.document(); |
| 60 // The position will have no document if it is null (as in no position). | 60 // The position will have no document if it is null (as in no position). |
| 61 if (!document || !document->documentElement()) | 61 if (!document || !document->documentElement()) |
| 62 return; | 62 return; |
| 63 DCHECK(!document->needsLayoutTreeUpdate()); | 63 DCHECK(!document->needsLayoutTreeUpdate()); |
| 64 | 64 |
| 65 // The forward range starts at the selection end and ends at the document's | 65 // The forward range starts at the selection end and ends at the document's |
| 66 // end. It will then be updated to only contain the text in the text in the | 66 // end. It will then be updated to only contain the text in the text in the |
| 67 // right range around the selection. | 67 // right range around the selection. |
| 68 CharacterIterator forwardIterator( | 68 CharacterIterator forwardIterator( |
| 69 endPosition, Position::lastPositionInNode(document->documentElement()) | 69 endPosition, |
| 70 .parentAnchoredEquivalent(), | 70 Position::lastPositionInNode(document->documentElement()) |
| 71 .parentAnchoredEquivalent(), |
| 71 TextIteratorBehavior::Builder().setStopsOnFormControls(true).build()); | 72 TextIteratorBehavior::Builder().setStopsOnFormControls(true).build()); |
| 72 // FIXME: why do we stop going trough the text if we were not able to select | 73 // FIXME: why do we stop going trough the text if we were not able to select |
| 73 // something on the right? | 74 // something on the right? |
| 74 if (!forwardIterator.atEnd()) | 75 if (!forwardIterator.atEnd()) |
| 75 forwardIterator.advance(maxLength - halfMaxLength); | 76 forwardIterator.advance(maxLength - halfMaxLength); |
| 76 | 77 |
| 77 EphemeralRange forwardRange = forwardIterator.range(); | 78 EphemeralRange forwardRange = forwardIterator.range(); |
| 78 if (forwardRange.isNull() || | 79 if (forwardRange.isNull() || |
| 79 !Range::create(*document, endPosition, forwardRange.startPosition()) | 80 !Range::create(*document, endPosition, forwardRange.startPosition()) |
| 80 ->text() | 81 ->text() |
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| 117 | 118 |
| 118 unsigned SurroundingText::startOffsetInContent() const { | 119 unsigned SurroundingText::startOffsetInContent() const { |
| 119 return m_startOffsetInContent; | 120 return m_startOffsetInContent; |
| 120 } | 121 } |
| 121 | 122 |
| 122 unsigned SurroundingText::endOffsetInContent() const { | 123 unsigned SurroundingText::endOffsetInContent() const { |
| 123 return m_endOffsetInContent; | 124 return m_endOffsetInContent; |
| 124 } | 125 } |
| 125 | 126 |
| 126 } // namespace blink | 127 } // namespace blink |
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