OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2012 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 |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "config.h" | 26 #include "config.h" |
27 #include "core/layout/LayoutMultiColumnSet.h" | 27 #include "core/layout/LayoutMultiColumnSet.h" |
28 | 28 |
| 29 #include "core/editing/PositionWithAffinity.h" |
29 #include "core/layout/LayoutMultiColumnFlowThread.h" | 30 #include "core/layout/LayoutMultiColumnFlowThread.h" |
30 #include "core/layout/MultiColumnFragmentainerGroup.h" | 31 #include "core/layout/MultiColumnFragmentainerGroup.h" |
31 #include "core/paint/MultiColumnSetPainter.h" | 32 #include "core/paint/MultiColumnSetPainter.h" |
32 | 33 |
33 namespace blink { | 34 namespace blink { |
34 | 35 |
35 LayoutMultiColumnSet::LayoutMultiColumnSet(LayoutFlowThread* flowThread) | 36 LayoutMultiColumnSet::LayoutMultiColumnSet(LayoutFlowThread* flowThread) |
36 : LayoutRegion(0, flowThread) | 37 : LayoutRegion(0, flowThread) |
37 , m_fragmentainerGroups(*this) | 38 , m_fragmentainerGroups(*this) |
38 { | 39 { |
(...skipping 13 matching lines...) Expand all Loading... |
52 // FIXME: implement this, once we have support for multiple rows. | 53 // FIXME: implement this, once we have support for multiple rows. |
53 return m_fragmentainerGroups.first(); | 54 return m_fragmentainerGroups.first(); |
54 } | 55 } |
55 | 56 |
56 const MultiColumnFragmentainerGroup& LayoutMultiColumnSet::fragmentainerGroupAtF
lowThreadOffset(LayoutUnit) const | 57 const MultiColumnFragmentainerGroup& LayoutMultiColumnSet::fragmentainerGroupAtF
lowThreadOffset(LayoutUnit) const |
57 { | 58 { |
58 // FIXME: implement this, once we have support for multiple rows. | 59 // FIXME: implement this, once we have support for multiple rows. |
59 return m_fragmentainerGroups.first(); | 60 return m_fragmentainerGroups.first(); |
60 } | 61 } |
61 | 62 |
| 63 const MultiColumnFragmentainerGroup& LayoutMultiColumnSet::fragmentainerGroupAtV
isualPoint(const LayoutPoint&) const |
| 64 { |
| 65 // FIXME: implement this, once we have support for multiple rows. |
| 66 return m_fragmentainerGroups.first(); |
| 67 } |
| 68 |
62 LayoutUnit LayoutMultiColumnSet::pageLogicalHeight() const | 69 LayoutUnit LayoutMultiColumnSet::pageLogicalHeight() const |
63 { | 70 { |
64 // FIXME: pageLogicalHeight() needs to take a flow thread offset parameter,
so that we can | 71 // FIXME: pageLogicalHeight() needs to take a flow thread offset parameter,
so that we can |
65 // locate the right row. | 72 // locate the right row. |
66 return firstFragmentainerGroup().logicalHeight(); | 73 return firstFragmentainerGroup().logicalHeight(); |
67 } | 74 } |
68 | 75 |
69 LayoutMultiColumnSet* LayoutMultiColumnSet::nextSiblingMultiColumnSet() const | 76 LayoutMultiColumnSet* LayoutMultiColumnSet::nextSiblingMultiColumnSet() const |
70 { | 77 { |
71 for (LayoutObject* sibling = nextSibling(); sibling; sibling = sibling->next
Sibling()) { | 78 for (LayoutObject* sibling = nextSibling(); sibling; sibling = sibling->next
Sibling()) { |
(...skipping 106 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
178 | 185 |
179 void LayoutMultiColumnSet::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTo
p, LogicalExtentComputedValues& computedValues) const | 186 void LayoutMultiColumnSet::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTo
p, LogicalExtentComputedValues& computedValues) const |
180 { | 187 { |
181 LayoutUnit logicalHeight; | 188 LayoutUnit logicalHeight; |
182 for (const auto& group : m_fragmentainerGroups) | 189 for (const auto& group : m_fragmentainerGroups) |
183 logicalHeight += group.logicalHeight(); | 190 logicalHeight += group.logicalHeight(); |
184 computedValues.m_extent = logicalHeight; | 191 computedValues.m_extent = logicalHeight; |
185 computedValues.m_position = logicalTop; | 192 computedValues.m_position = logicalTop; |
186 } | 193 } |
187 | 194 |
| 195 PositionWithAffinity LayoutMultiColumnSet::positionForPoint(const LayoutPoint& p
oint) |
| 196 { |
| 197 // Convert the visual point to a flow thread point. |
| 198 const MultiColumnFragmentainerGroup& row = fragmentainerGroupAtVisualPoint(p
oint); |
| 199 LayoutPoint flowThreadPoint = row.visualPointToFlowThreadPoint(point + row.o
ffsetFromColumnSet()); |
| 200 // Then drill into the flow thread, where we'll find the actual content. |
| 201 return flowThread()->positionForPoint(flowThreadPoint); |
| 202 } |
| 203 |
188 LayoutUnit LayoutMultiColumnSet::columnGap() const | 204 LayoutUnit LayoutMultiColumnSet::columnGap() const |
189 { | 205 { |
190 LayoutBlockFlow* parentBlock = multiColumnBlockFlow(); | 206 LayoutBlockFlow* parentBlock = multiColumnBlockFlow(); |
191 if (parentBlock->style()->hasNormalColumnGap()) | 207 if (parentBlock->style()->hasNormalColumnGap()) |
192 return parentBlock->style()->fontDescription().computedPixelSize(); // "
1em" is recommended as the normal gap setting. Matches <p> margins. | 208 return parentBlock->style()->fontDescription().computedPixelSize(); // "
1em" is recommended as the normal gap setting. Matches <p> margins. |
193 return parentBlock->style()->columnGap(); | 209 return parentBlock->style()->columnGap(); |
194 } | 210 } |
195 | 211 |
196 unsigned LayoutMultiColumnSet::actualColumnCount() const | 212 unsigned LayoutMultiColumnSet::actualColumnCount() const |
197 { | 213 { |
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
263 | 279 |
264 LayoutRect LayoutMultiColumnSet::flowThreadPortionRect() const | 280 LayoutRect LayoutMultiColumnSet::flowThreadPortionRect() const |
265 { | 281 { |
266 LayoutRect portionRect(LayoutUnit(), logicalTopInFlowThread(), pageLogicalWi
dth(), logicalHeightInFlowThread()); | 282 LayoutRect portionRect(LayoutUnit(), logicalTopInFlowThread(), pageLogicalWi
dth(), logicalHeightInFlowThread()); |
267 if (!isHorizontalWritingMode()) | 283 if (!isHorizontalWritingMode()) |
268 return portionRect.transposedRect(); | 284 return portionRect.transposedRect(); |
269 return portionRect; | 285 return portionRect; |
270 } | 286 } |
271 | 287 |
272 } | 288 } |
OLD | NEW |