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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/layout/MultiColumnFragmentainerGroup.h" | 5 #include "core/layout/MultiColumnFragmentainerGroup.h" |
6 | 6 |
7 #include "core/layout/ColumnBalancer.h" | 7 #include "core/layout/ColumnBalancer.h" |
8 #include "core/layout/FragmentationContext.h" | 8 #include "core/layout/FragmentationContext.h" |
9 #include "core/layout/LayoutMultiColumnSet.h" | 9 #include "core/layout/LayoutMultiColumnSet.h" |
10 | 10 |
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319 LayoutUnit maxColumnHeight = flowThread->maxColumnLogicalHeight(); | 319 LayoutUnit maxColumnHeight = flowThread->maxColumnLogicalHeight(); |
320 LayoutUnit maxHeight = heightAdjustedForRowOffset(maxColumnHeight); | 320 LayoutUnit maxHeight = heightAdjustedForRowOffset(maxColumnHeight); |
321 if (FragmentationContext* enclosingFragmentationContext = | 321 if (FragmentationContext* enclosingFragmentationContext = |
322 flowThread->enclosingFragmentationContext()) { | 322 flowThread->enclosingFragmentationContext()) { |
323 if (enclosingFragmentationContext->isFragmentainerLogicalHeightKnown()) { | 323 if (enclosingFragmentationContext->isFragmentainerLogicalHeightKnown()) { |
324 // We're nested inside another fragmentation context whose fragmentainer | 324 // We're nested inside another fragmentation context whose fragmentainer |
325 // heights are known. This constrains the max height. | 325 // heights are known. This constrains the max height. |
326 LayoutUnit remainingOuterLogicalHeight = | 326 LayoutUnit remainingOuterLogicalHeight = |
327 enclosingFragmentationContext->remainingLogicalHeightAt( | 327 enclosingFragmentationContext->remainingLogicalHeightAt( |
328 blockOffsetInEnclosingFragmentationContext()); | 328 blockOffsetInEnclosingFragmentationContext()); |
329 ASSERT(remainingOuterLogicalHeight > 0); | |
330 if (maxHeight > remainingOuterLogicalHeight) | 329 if (maxHeight > remainingOuterLogicalHeight) |
331 maxHeight = remainingOuterLogicalHeight; | 330 maxHeight = remainingOuterLogicalHeight; |
332 } | 331 } |
333 } | 332 } |
334 return maxHeight; | 333 return maxHeight; |
335 } | 334 } |
336 | 335 |
337 void MultiColumnFragmentainerGroup::setAndConstrainColumnHeight( | 336 void MultiColumnFragmentainerGroup::setAndConstrainColumnHeight( |
338 LayoutUnit newHeight) { | 337 LayoutUnit newHeight) { |
339 m_columnHeight = newHeight; | 338 m_columnHeight = newHeight; |
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594 MultiColumnFragmentainerGroupList::addExtraGroup() { | 593 MultiColumnFragmentainerGroupList::addExtraGroup() { |
595 append(MultiColumnFragmentainerGroup(m_columnSet)); | 594 append(MultiColumnFragmentainerGroup(m_columnSet)); |
596 return last(); | 595 return last(); |
597 } | 596 } |
598 | 597 |
599 void MultiColumnFragmentainerGroupList::deleteExtraGroups() { | 598 void MultiColumnFragmentainerGroupList::deleteExtraGroups() { |
600 shrink(1); | 599 shrink(1); |
601 } | 600 } |
602 | 601 |
603 } // namespace blink | 602 } // namespace blink |
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