third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h - Issue 2051333005: Let FrameView track object paint invalidations

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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 * (C) 1999 Antti Koivisto (koivisto@kde.org)	3 * (C) 1999 Antti Koivisto (koivisto@kde.org)

4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.	4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.

5 * Copyright (C) 2010 Google Inc. All rights reserved.	5 * Copyright (C) 2010 Google Inc. 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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285 // The query rect is given in local coordinate system.	285 // The query rect is given in local coordinate system.

286 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re turn false; }	286 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re turn false; }

287	287

288 void invalidateTreeIfNeeded(const PaintInvalidationState&) override;	288 void invalidateTreeIfNeeded(const PaintInvalidationState&) override;

289	289

290 // Indicate that the contents of this layoutObject need to be repainted.	290 // Indicate that the contents of this layoutObject need to be repainted.

291 // This only has an effect if compositing is being used.	291 // This only has an effect if compositing is being used.

292 // The rect is in the physical coordinate space of this layout object.	292 // The rect is in the physical coordinate space of this layout object.

293 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, PaintInvalida tionReason, const LayoutObject&) const;	293 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, PaintInvalida tionReason, const LayoutObject&) const;

294	294

295 // The third parameter should be equal to the DisplayItemClient if it happen s to be a LayoutObject subclass. It is only used

296 // for debugging.

297 void invalidateDisplayItemClientOnBacking(const DisplayItemClient&, PaintInv alidationReason, const LayoutObject* = nullptr) const;

298

299 // http://www.w3.org/TR/css3-background/#body-background	295 // http://www.w3.org/TR/css3-background/#body-background

300 // <html> root element with no background steals background from its first < body> child.	296 // <html> root element with no background steals background from its first < body> child.

301 // The used background for such body element should be the initial value. (i .e. transparent)	297 // The used background for such body element should be the initial value. (i .e. transparent)

302 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;	298 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;

303	299

304 protected:	300 protected:

305 void willBeDestroyed() override;	301 void willBeDestroyed() override;

306	302

307 LayoutPoint adjustedPositionRelativeToOffsetParent(const LayoutPoint&) const ;	303 LayoutPoint adjustedPositionRelativeToOffsetParent(const LayoutPoint&) const ;

308	304

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383 OwnPtr<PaintLayer> m_layer;	379 OwnPtr<PaintLayer> m_layer;

384	380

385 OwnPtr<LayoutBoxModelObjectRareData> m_rareData;	381 OwnPtr<LayoutBoxModelObjectRareData> m_rareData;

386 };	382 };

387	383

388 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());	384 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());

389	385

390 } // namespace blink	386 } // namespace blink

391	387

392 #endif // LayoutBoxModelObject_h	388 #endif // LayoutBoxModelObject_h

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