third_party/WebKit/Source/platform/graphics/PaintInvalidationReason.h

// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PaintInvalidationReason_h
#define PaintInvalidationReason_h

#include "platform/PlatformExport.h"

namespace blink {

enum PaintInvalidationReason {
  PaintInvalidationNone,
  PaintInvalidationIncremental,
  PaintInvalidationRectangle,
  // The following reasons will all cause full invalidation of the LayoutObject.
  PaintInvalidationFull,  // Any unspecified reason of full invalidation.
  PaintInvalidationStyleChange,
  PaintInvalidationForcedByLayout,
  PaintInvalidationCompositingUpdate,
  PaintInvalidationBorderBoxChange,
  PaintInvalidationContentBoxChange,
  PaintInvalidationLayoutOverflowBoxChange,
  PaintInvalidationBoundsChange,
  PaintInvalidationLocationChange,
  PaintInvalidationBackgroundObscurationChange,
  PaintInvalidationBecameVisible,
  PaintInvalidationBecameInvisible,
  PaintInvalidationScroll,
  PaintInvalidationSelection,
  PaintInvalidationOutline,
  PaintInvalidationSubtree,
  PaintInvalidationLayoutObjectInsertion,
  PaintInvalidationLayoutObjectRemoval,
  PaintInvalidationSVGResourceChange,
  PaintInvalidationBackgroundOnScrollingContentsLayer,
  PaintInvalidationForTesting,
  // PaintInvalidationDelayedFull means that PaintInvalidationFull is needed in
  // order to fully paint the content, but that painting of the object can be
  // delayed until a future frame. This can be the case for an object whose
  // content is not visible to the user.
  PaintInvalidationDelayedFull,

  PaintInvalidationReasonMax = PaintInvalidationDelayedFull
};

PLATFORM_EXPORT const char* paintInvalidationReasonToString(
    PaintInvalidationReason);

inline bool isFullPaintInvalidationReason(PaintInvalidationReason reason) {
  return reason >= PaintInvalidationFull;
}

inline bool isImmediateFullPaintInvalidationReason(
    PaintInvalidationReason reason) {
  return isFullPaintInvalidationReason(reason) &&
         reason != PaintInvalidationDelayedFull;
}

}  // namespace blink

#endif  // PaintInvalidationReason_h