Source/core/layout/LayoutHTMLCanvas.cpp - Issue 1025213002: Begin tracking why layout is invalidated

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Issue 1025213002: Begin tracking why layout is invalidated (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Rebase Created 5 years, 8 months ago

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1 /*	1 /*

2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.	2 * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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71 if (!preferredLogicalWidthsDirty())	71 if (!preferredLogicalWidthsDirty())

72 setPreferredLogicalWidthsDirty();	72 setPreferredLogicalWidthsDirty();

73	73

74 LayoutSize oldSize = size();	74 LayoutSize oldSize = size();

75 updateLogicalWidth();	75 updateLogicalWidth();

76 updateLogicalHeight();	76 updateLogicalHeight();

77 if (oldSize == size())	77 if (oldSize == size())

78 return;	78 return;

79	79

80 if (!selfNeedsLayout())	80 if (!selfNeedsLayout())

81 setNeedsLayout();	81 setNeedsLayout(LayoutInvalidationReason::SizeChanged);

82 }	82 }

83	83

84 PaintInvalidationReason LayoutHTMLCanvas::invalidatePaintIfNeeded(PaintInvalidat ionState& paintInvalidationState, const LayoutBoxModelObject& paintInvalidationC ontainer)	84 PaintInvalidationReason LayoutHTMLCanvas::invalidatePaintIfNeeded(PaintInvalidat ionState& paintInvalidationState, const LayoutBoxModelObject& paintInvalidationC ontainer)

85 {	85 {

86 PaintInvalidationReason reason = LayoutBox::invalidatePaintIfNeeded(paintInv alidationState, paintInvalidationContainer);	86 PaintInvalidationReason reason = LayoutBox::invalidatePaintIfNeeded(paintInv alidationState, paintInvalidationContainer);

87 HTMLCanvasElement* element = toHTMLCanvasElement(node());	87 HTMLCanvasElement* element = toHTMLCanvasElement(node());

88 if (element->isDirty()) {	88 if (element->isDirty()) {

89 element->doDeferredPaintInvalidation();	89 element->doDeferredPaintInvalidation();

90 if (reason < PaintInvalidationRectangle)	90 if (reason < PaintInvalidationRectangle)

91 reason = PaintInvalidationRectangle;	91 reason = PaintInvalidationRectangle;

92 }	92 }

93 return reason;	93 return reason;

94 }	94 }

95	95

96 CompositingReasons LayoutHTMLCanvas::additionalCompositingReasons() const	96 CompositingReasons LayoutHTMLCanvas::additionalCompositingReasons() const

97 {	97 {

98 if (toHTMLCanvasElement(node())->shouldBeDirectComposited())	98 if (toHTMLCanvasElement(node())->shouldBeDirectComposited())

99 return CompositingReasonCanvas;	99 return CompositingReasonCanvas;

100 return CompositingReasonNone;	100 return CompositingReasonNone;

101 }	101 }

102	102

103 } // namespace blink	103 } // namespace blink

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