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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * Copyright (C) 2000 Dirk Mueller (mueller@kde.org) | 3 * Copyright (C) 2000 Dirk Mueller (mueller@kde.org) |
4 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved. |
5 * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved. | 5 * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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383 // of 'width' is: (used height) * (intrinsic ratio) | 383 // of 'width' is: (used height) * (intrinsic ratio) |
384 if (intrinsicRatio && ((computedHeightIsAuto && !hasIntrinsicWidth &
& hasIntrinsicHeight) || !computedHeightIsAuto)) { | 384 if (intrinsicRatio && ((computedHeightIsAuto && !hasIntrinsicWidth &
& hasIntrinsicHeight) || !computedHeightIsAuto)) { |
385 LayoutUnit logicalHeight = computeReplacedLogicalHeight(); | 385 LayoutUnit logicalHeight = computeReplacedLogicalHeight(); |
386 return computeReplacedLogicalWidthRespectingMinMaxWidth(roundToI
nt(round(logicalHeight * intrinsicRatio)), shouldComputePreferred); | 386 return computeReplacedLogicalWidthRespectingMinMaxWidth(roundToI
nt(round(logicalHeight * intrinsicRatio)), shouldComputePreferred); |
387 } | 387 } |
388 | 388 |
389 // If 'height' and 'width' both have computed values of 'auto' and t
he element has an intrinsic ratio but no intrinsic height or width, then the use
d value of | 389 // If 'height' and 'width' both have computed values of 'auto' and t
he element has an intrinsic ratio but no intrinsic height or width, then the use
d value of |
390 // 'width' is undefined in CSS 2.1. However, it is suggested that, i
f the containing block's width does not itself depend on the replaced element's
width, then | 390 // 'width' is undefined in CSS 2.1. However, it is suggested that, i
f the containing block's width does not itself depend on the replaced element's
width, then |
391 // the used value of 'width' is calculated from the constraint equat
ion used for block-level, non-replaced elements in normal flow. | 391 // the used value of 'width' is calculated from the constraint equat
ion used for block-level, non-replaced elements in normal flow. |
392 if (computedHeightIsAuto && !hasIntrinsicWidth && !hasIntrinsicHeigh
t) { | 392 if (computedHeightIsAuto && !hasIntrinsicWidth && !hasIntrinsicHeigh
t) { |
| 393 if (shouldComputePreferred == ComputePreferred) |
| 394 return 0; |
393 // The aforementioned 'constraint equation' used for block-level
, non-replaced elements in normal flow: | 395 // The aforementioned 'constraint equation' used for block-level
, non-replaced elements in normal flow: |
394 // 'margin-left' + 'border-left-width' + 'padding-left' + 'width
' + 'padding-right' + 'border-right-width' + 'margin-right' = width of containin
g block | 396 // 'margin-left' + 'border-left-width' + 'padding-left' + 'width
' + 'padding-right' + 'border-right-width' + 'margin-right' = width of containin
g block |
395 LayoutUnit logicalWidth; | 397 LayoutUnit logicalWidth; |
396 // FIXME: This walking up the containgBlock chain to find the fi
rst one with a specified width is bonkers. | 398 // FIXME: This walking up the containgBlock chain to find the fi
rst one with a specified width is bonkers. |
397 // If nothing else, it requires making sure that computeReplaced
LogicalWidthRespectingMinMaxWidth cannot | 399 // If nothing else, it requires making sure that computeReplaced
LogicalWidthRespectingMinMaxWidth cannot |
398 // depend on the width of the replaced element or we infinite lo
op. Right now we do that in | 400 // depend on the width of the replaced element or we infinite lo
op. Right now we do that in |
399 // firstContainingBlockWithLogicalWidth by checking that width/m
in-width/max-width are all specified. | 401 // firstContainingBlockWithLogicalWidth by checking that width/m
in-width/max-width are all specified. |
400 // | 402 // |
401 // Firefox 27 seems to only do this if the <svg> has a viewbox. | 403 // Firefox 27 seems to only do this if the <svg> has a viewbox. |
402 if (RenderBlock* blockWithWidth = firstContainingBlockWithLogica
lWidth(this)) { | 404 if (RenderBlock* blockWithWidth = firstContainingBlockWithLogica
lWidth(this)) { |
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612 // FIXME: layoutDelta needs to be applied in parts before/after transfor
ms and | 614 // FIXME: layoutDelta needs to be applied in parts before/after transfor
ms and |
613 // repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308 | 615 // repaint containers. https://bugs.webkit.org/show_bug.cgi?id=23308 |
614 r.move(v->layoutDelta()); | 616 r.move(v->layoutDelta()); |
615 } | 617 } |
616 | 618 |
617 mapRectToPaintInvalidationBacking(paintInvalidationContainer, r); | 619 mapRectToPaintInvalidationBacking(paintInvalidationContainer, r); |
618 return r; | 620 return r; |
619 } | 621 } |
620 | 622 |
621 } | 623 } |
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