third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h - Issue 1497873002: Make DisplayItemClient an interface

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Issue 1497873002: Make DisplayItemClient an interface (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Rebase Created 5 years 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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279	279

280 // Returns true if the background is painted opaque in the given rect.	280 // Returns true if the background is painted opaque in the given rect.

281 // The query rect is given in local coordinate system.	281 // The query rect is given in local coordinate system.

282 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re turn false; }	282 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re turn false; }

283	283

284 void invalidateTreeIfNeeded(PaintInvalidationState&) override;	284 void invalidateTreeIfNeeded(PaintInvalidationState&) override;

285	285

286 // Indicate that the contents of this layoutObject need to be repainted. Onl y has an effect if compositing is being used,	286 // Indicate that the contents of this layoutObject need to be repainted. Onl y has an effect if compositing is being used,

287 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, PaintInvalida tionReason) const; // r is in the coordinate space of this layout object	287 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, PaintInvalida tionReason) const; // r is in the coordinate space of this layout object

288	288

289 void invalidateDisplayItemClientOnBacking(const DisplayItemClientWrapper&, P aintInvalidationReason, const LayoutRect* paintInvalidationRect) const;	289 void invalidateDisplayItemClientOnBacking(const DisplayItemClient&, PaintInv alidationReason, const LayoutRect* paintInvalidationRect) const;

290	290

291 // http://www.w3.org/TR/css3-background/#body-background	291 // http://www.w3.org/TR/css3-background/#body-background

292 // <html> root element with no background steals background from its first < body> child.	292 // <html> root element with no background steals background from its first < body> child.

293 // The used background for such body element should be the initial value. (i .e. transparent)	293 // The used background for such body element should be the initial value. (i .e. transparent)

294 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;	294 bool backgroundStolenForBeingBody(const ComputedStyle* rootElementStyle = nu llptr) const;

295	295

296 protected:	296 protected:

297 void willBeDestroyed() override;	297 void willBeDestroyed() override;

298	298

299 LayoutPoint adjustedPositionRelativeToOffsetParent(const LayoutPoint&) const ;	299 LayoutPoint adjustedPositionRelativeToOffsetParent(const LayoutPoint&) const ;

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365 // The PaintLayer associated with this object.	365 // The PaintLayer associated with this object.

366 // \|m_layer\| can be nullptr depending on the return value of layerTypeRequir ed().	366 // \|m_layer\| can be nullptr depending on the return value of layerTypeRequir ed().

367 OwnPtr<PaintLayer> m_layer;	367 OwnPtr<PaintLayer> m_layer;

368 };	368 };

369	369

370 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());	370 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());

371	371

372 } // namespace blink	372 } // namespace blink

373	373

374 #endif // LayoutBoxModelObject_h	374 #endif // LayoutBoxModelObject_h

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