Source/core/editing/VisibleUnits.h - Issue 1326323002: Introduce composed tree version of endOfParagraph()

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Issue 1326323002: Introduce composed tree version of endOfParagraph() (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: 2015-09-08T18:03:54 Created 5 years, 3 months ago

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1 /*	1 /*

2 * Copyright (C) 2004 Apple Computer, Inc. All rights reserved.	2 * Copyright (C) 2004 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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128 bool isStartOfLine(const VisiblePosition&);	128 bool isStartOfLine(const VisiblePosition&);

129 bool isEndOfLine(const VisiblePosition&);	129 bool isEndOfLine(const VisiblePosition&);

130 VisiblePosition logicalStartOfLine(const VisiblePosition&);	130 VisiblePosition logicalStartOfLine(const VisiblePosition&);

131 VisiblePosition logicalEndOfLine(const VisiblePosition&);	131 VisiblePosition logicalEndOfLine(const VisiblePosition&);

132 bool isLogicalEndOfLine(const VisiblePosition&);	132 bool isLogicalEndOfLine(const VisiblePosition&);

133 VisiblePosition leftBoundaryOfLine(const VisiblePosition&, TextDirection);	133 VisiblePosition leftBoundaryOfLine(const VisiblePosition&, TextDirection);

134 VisiblePosition rightBoundaryOfLine(const VisiblePosition&, TextDirection);	134 VisiblePosition rightBoundaryOfLine(const VisiblePosition&, TextDirection);

135	135

136 // paragraphs (perhaps a misnomer, can be divided by line break elements)	136 // paragraphs (perhaps a misnomer, can be divided by line break elements)

137 VisiblePosition startOfParagraph(const VisiblePosition&, EditingBoundaryCrossing Rule = CannotCrossEditingBoundary);	137 VisiblePosition startOfParagraph(const VisiblePosition&, EditingBoundaryCrossing Rule = CannotCrossEditingBoundary);

138 VisiblePosition endOfParagraph(const VisiblePosition&, EditingBoundaryCrossingRu le = CannotCrossEditingBoundary);	138 CORE_EXPORT VisiblePosition endOfParagraph(const VisiblePosition&, EditingBounda ryCrossingRule = CannotCrossEditingBoundary);

	139 CORE_EXPORT VisiblePositionInComposedTree endOfParagraph(const VisiblePositionIn ComposedTree&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);

139 VisiblePosition startOfNextParagraph(const VisiblePosition&);	140 VisiblePosition startOfNextParagraph(const VisiblePosition&);

140 VisiblePosition previousParagraphPosition(const VisiblePosition&, LayoutUnit x);	141 VisiblePosition previousParagraphPosition(const VisiblePosition&, LayoutUnit x);

141 VisiblePosition nextParagraphPosition(const VisiblePosition&, LayoutUnit x);	142 VisiblePosition nextParagraphPosition(const VisiblePosition&, LayoutUnit x);

142 bool isStartOfParagraph(const VisiblePosition&, EditingBoundaryCrossingRule = Ca nnotCrossEditingBoundary);	143 bool isStartOfParagraph(const VisiblePosition&, EditingBoundaryCrossingRule = Ca nnotCrossEditingBoundary);

143 bool isEndOfParagraph(const VisiblePosition&, EditingBoundaryCrossingRule = Cann otCrossEditingBoundary);	144 bool isEndOfParagraph(const VisiblePosition&, EditingBoundaryCrossingRule = Cann otCrossEditingBoundary);

144 bool inSameParagraph(const VisiblePosition&, const VisiblePosition&, EditingBoun daryCrossingRule = CannotCrossEditingBoundary);	145 bool inSameParagraph(const VisiblePosition&, const VisiblePosition&, EditingBoun daryCrossingRule = CannotCrossEditingBoundary);

145	146

146 // blocks (true paragraphs; line break elements don't break blocks)	147 // blocks (true paragraphs; line break elements don't break blocks)

147 VisiblePosition startOfBlock(const VisiblePosition&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);	148 VisiblePosition startOfBlock(const VisiblePosition&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);

148 VisiblePosition endOfBlock(const VisiblePosition&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);	149 VisiblePosition endOfBlock(const VisiblePosition&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);

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176	177

177 // Returns a hit-tested VisiblePosition for the given point in contents-space	178 // Returns a hit-tested VisiblePosition for the given point in contents-space

178 // coordinates.	179 // coordinates.

179 CORE_EXPORT VisiblePosition visiblePositionForContentsPoint(const IntPoint&, Loc alFrame*);	180 CORE_EXPORT VisiblePosition visiblePositionForContentsPoint(const IntPoint&, Loc alFrame*);

180	181

181 CORE_EXPORT bool rendersInDifferentPosition(const Position&, const Position&);	182 CORE_EXPORT bool rendersInDifferentPosition(const Position&, const Position&);

182	183

183 } // namespace blink	184 } // namespace blink

184	185

185 #endif // VisibleUnits_h	186 #endif // VisibleUnits_h

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