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| 1 /* | 1 /* |
| 2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved. | 2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved. |
| 3 * | 3 * |
| 4 * This library is free software; you can redistribute it and/or | 4 * This library is free software; you can redistribute it and/or |
| 5 * modify it under the terms of the GNU Library General Public | 5 * modify it under the terms of the GNU Library General Public |
| 6 * License as published by the Free Software Foundation; either | 6 * License as published by the Free Software Foundation; either |
| 7 * version 2 of the License, or (at your option) any later version. | 7 * version 2 of the License, or (at your option) any later version. |
| 8 * | 8 * |
| 9 * This library is distributed in the hope that it will be useful, | 9 * This library is distributed in the hope that it will be useful, |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 81 } | 81 } |
| 82 | 82 |
| 83 static void collectTextBoxesInFlowBox(InlineFlowBox* flowBox, Vector<SVGInlineTe
xtBox*>& textBoxes) | 83 static void collectTextBoxesInFlowBox(InlineFlowBox* flowBox, Vector<SVGInlineTe
xtBox*>& textBoxes) |
| 84 { | 84 { |
| 85 if (!flowBox) | 85 if (!flowBox) |
| 86 return; | 86 return; |
| 87 | 87 |
| 88 for (InlineBox* child = flowBox->firstChild(); child; child = child->nextOnL
ine()) { | 88 for (InlineBox* child = flowBox->firstChild(); child; child = child->nextOnL
ine()) { |
| 89 if (child->isInlineFlowBox()) { | 89 if (child->isInlineFlowBox()) { |
| 90 // Skip generated content. | 90 // Skip generated content. |
| 91 if (!child->lineLayoutItem().node()) | 91 if (!child->getLineLayoutItem().node()) |
| 92 continue; | 92 continue; |
| 93 | 93 |
| 94 collectTextBoxesInFlowBox(toInlineFlowBox(child), textBoxes); | 94 collectTextBoxesInFlowBox(toInlineFlowBox(child), textBoxes); |
| 95 continue; | 95 continue; |
| 96 } | 96 } |
| 97 | 97 |
| 98 if (child->isSVGInlineTextBox()) | 98 if (child->isSVGInlineTextBox()) |
| 99 textBoxes.append(toSVGInlineTextBox(child)); | 99 textBoxes.append(toSVGInlineTextBox(child)); |
| 100 } | 100 } |
| 101 } | 101 } |
| 102 | 102 |
| 103 typedef bool ProcessTextFragmentCallback(QueryData*, const SVGTextFragment&); | 103 typedef bool ProcessTextFragmentCallback(QueryData*, const SVGTextFragment&); |
| 104 | 104 |
| 105 static bool queryTextBox(QueryData* queryData, const SVGInlineTextBox* textBox,
ProcessTextFragmentCallback fragmentCallback) | 105 static bool queryTextBox(QueryData* queryData, const SVGInlineTextBox* textBox,
ProcessTextFragmentCallback fragmentCallback) |
| 106 { | 106 { |
| 107 queryData->textBox = textBox; | 107 queryData->textBox = textBox; |
| 108 queryData->textLineLayout = LineLayoutSVGInlineText(textBox->lineLayoutItem(
)); | 108 queryData->textLineLayout = LineLayoutSVGInlineText(textBox->getLineLayoutIt
em()); |
| 109 | 109 |
| 110 queryData->isVerticalText = !queryData->textLineLayout.style()->isHorizontal
WritingMode(); | 110 queryData->isVerticalText = !queryData->textLineLayout.style()->isHorizontal
WritingMode(); |
| 111 | 111 |
| 112 // Loop over all text fragments in this text box, firing a callback for each
. | 112 // Loop over all text fragments in this text box, firing a callback for each
. |
| 113 for (const SVGTextFragment& fragment : textBox->textFragments()) { | 113 for (const SVGTextFragment& fragment : textBox->textFragments()) { |
| 114 if (fragmentCallback(queryData, fragment)) | 114 if (fragmentCallback(queryData, fragment)) |
| 115 return true; | 115 return true; |
| 116 } | 116 } |
| 117 return false; | 117 return false; |
| 118 } | 118 } |
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| 602 } | 602 } |
| 603 | 603 |
| 604 int SVGTextQuery::characterNumberAtPosition(const FloatPoint& position) const | 604 int SVGTextQuery::characterNumberAtPosition(const FloatPoint& position) const |
| 605 { | 605 { |
| 606 CharacterNumberAtPositionData data(position); | 606 CharacterNumberAtPositionData data(position); |
| 607 spatialQuery(m_queryRootLayoutObject, &data, characterNumberAtPositionCallba
ck); | 607 spatialQuery(m_queryRootLayoutObject, &data, characterNumberAtPositionCallba
ck); |
| 608 return data.characterNumberWithin(m_queryRootLayoutObject); | 608 return data.characterNumberWithin(m_queryRootLayoutObject); |
| 609 } | 609 } |
| 610 | 610 |
| 611 } // namespace blink | 611 } // namespace blink |
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