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Side by Side Diff: third_party/WebKit/Source/core/layout/LayoutView.cpp

Issue 2051333005: Let FrameView track object paint invalidations (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@TrackInvalidation
Patch Set: NeedsRebaseline Created 4 years, 6 months ago
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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) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserv ed. 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserv ed.
4 * 4 *
5 * This library is free software; you can redistribute it and/or 5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public 6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either 7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version. 8 * version 2 of the License, or (at your option) any later version.
9 * 9 *
10 * This library is distributed in the hope that it will be useful, 10 * This library is distributed in the hope that it will be useful,
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444 { 444 {
445 ASSERT(!needsLayout()); 445 ASSERT(!needsLayout());
446 446
447 // We specifically need to issue paint invalidations for the viewRect since other layoutObjects 447 // We specifically need to issue paint invalidations for the viewRect since other layoutObjects
448 // short-circuit on full-paint invalidation. 448 // short-circuit on full-paint invalidation.
449 LayoutRect dirtyRect = viewRect(); 449 LayoutRect dirtyRect = viewRect();
450 if (doingFullPaintInvalidation() && !dirtyRect.isEmpty()) { 450 if (doingFullPaintInvalidation() && !dirtyRect.isEmpty()) {
451 const LayoutBoxModelObject& paintInvalidationContainer = paintInvalidati onState.paintInvalidationContainer(); 451 const LayoutBoxModelObject& paintInvalidationContainer = paintInvalidati onState.paintInvalidationContainer();
452 paintInvalidationState.mapLocalRectToPaintInvalidationBacking(dirtyRect) ; 452 paintInvalidationState.mapLocalRectToPaintInvalidationBacking(dirtyRect) ;
453 invalidatePaintUsingContainer(paintInvalidationContainer, dirtyRect, Pai ntInvalidationFull); 453 invalidatePaintUsingContainer(paintInvalidationContainer, dirtyRect, Pai ntInvalidationFull);
454 invalidateDisplayItemClientsWithPaintInvalidationState(paintInvalidation Container, paintInvalidationState, PaintInvalidationFull); 454 invalidateDisplayItemClientsWithPaintInvalidationState(paintInvalidation State, PaintInvalidationFull);
455 } 455 }
456 LayoutBlock::invalidateTreeIfNeeded(paintInvalidationState); 456 LayoutBlock::invalidateTreeIfNeeded(paintInvalidationState);
457 } 457 }
458 458
459 static void setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(Lay outObject* object) 459 static void setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(Lay outObject* object)
460 { 460 {
461 object->setShouldDoFullPaintInvalidation(); 461 object->setShouldDoFullPaintInvalidation();
462 for (LayoutObject* child = object->slowFirstChild(); child; child = child->n extSibling()) { 462 for (LayoutObject* child = object->slowFirstChild(); child; child = child->n extSibling()) {
463 setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(child); 463 setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(child);
464 } 464 }
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1036 // ASSERT(!frame()->isMainFrame()) here. All main frame scrolling should 1036 // ASSERT(!frame()->isMainFrame()) here. All main frame scrolling should
1037 // be handled by the ViewportScrollCallback. 1037 // be handled by the ViewportScrollCallback.
1038 1038
1039 if (!frameView()) 1039 if (!frameView())
1040 return ScrollResult(false, false, delta.width(), delta.height()); 1040 return ScrollResult(false, false, delta.width(), delta.height());
1041 1041
1042 return frameView()->getScrollableArea()->userScroll(granularity, delta); 1042 return frameView()->getScrollableArea()->userScroll(granularity, delta);
1043 } 1043 }
1044 1044
1045 } // namespace blink 1045 } // namespace blink
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