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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "RenderDialog.h" | |
| 28 | |
| 29 #if ENABLE(DIALOG_ELEMENT) | |
| 30 #include "FrameView.h" | |
| 31 #include "LayoutRepainter.h" | |
| 32 #include "RenderLayer.h" | |
| 33 #include "RenderView.h" | |
| 34 | |
| 35 namespace WebCore { | |
| 36 | |
| 37 void RenderDialog::layout() | |
| 38 { | |
| 39 StackStats::LayoutCheckPoint layoutCheckPoint; | |
| 40 LayoutRepainter repainter(*this, true); | |
| 41 LayoutStateMaintainer statePusher(view(), this, locationOffset(), hasTransfo
rm() || hasReflection() || style()->isFlippedBlocksWritingMode()); | |
| 42 | |
| 43 RenderBlock::layout(); | |
| 44 | |
| 45 RenderStyle* styleToUse = style(); | |
| 46 if (styleToUse->position() != AbsolutePosition || !styleToUse->top().isAuto(
) || !styleToUse->bottom().isAuto()) { | |
| 47 statePusher.pop(); | |
| 48 return; | |
| 49 } | |
| 50 | |
| 51 // Adjust the dialog's position to be centered in or at the top of the viewp
ort. | |
| 52 // FIXME: Figure out what to do in vertical writing mode. | |
| 53 FrameView* frameView = document()->view(); | |
| 54 int scrollTop = frameView->scrollOffset().height(); | |
| 55 FloatPoint absolutePoint(0, scrollTop); | |
| 56 int visibleHeight = frameView->visibleContentRect(ScrollableArea::IncludeScr
ollbars).height(); | |
| 57 if (height() < visibleHeight) | |
| 58 absolutePoint.move(0, (visibleHeight - height()) / 2); | |
| 59 FloatPoint localPoint = containingBlock()->absoluteToLocal(absolutePoint); | |
| 60 LayoutUnit localTop = LayoutSize(localPoint.x(), localPoint.y()).height(); | |
| 61 setY(localTop); | |
| 62 | |
| 63 statePusher.pop(); | |
| 64 // FIXME: Since there is always a layer here, repainter shouldn't be necessa
ry. But without it, the dialog is sometimes not painted (see bug 90670). | |
| 65 repainter.repaintAfterLayout(); | |
| 66 } | |
| 67 | |
| 68 } | |
| 69 | |
| 70 #endif | |
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