1 // Copyright 2018 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SUBTREE_PAINT_PROPERTY_UPDATE_REASON_H_ 6 #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SUBTREE_PAINT_PROPERTY_UPDATE_REASON_H_ 7 8 #include "third_party/blink/renderer/platform/platform_export.h" 9 #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" 10 11 namespace blink { 12 13 enum class SubtreePaintPropertyUpdateReason : unsigned { 14 kNone = 0, 15 kContainerChainMayChange = 1 << 0, 16 kFragmentsChanged = 1 << 1, 17 kPreviouslySkipped = 1 << 2, 18 kPrinting = 1 << 3, 19 kTransformStyleChanged = 1 << 4 20 }; 21 enum { kSubtreePaintPropertyUpdateReasonsBitfieldWidth = 5 }; 22 23 PLATFORM_EXPORT String 24 SubtreePaintPropertyUpdateReasonsToString(unsigned bitmask); 25 26 } // namespace blink 27 28 #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_SUBTREE_PAINT_PROPERTY_UPDATE_REASON_H_ 29