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40 lines
1.3 KiB
Plaintext
40 lines
1.3 KiB
Plaintext
//
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// ASDisplayNodeLayout.mm
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// Texture
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASDisplayNodeLayout.h>
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BOOL ASDisplayNodeLayout::isDirty()
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{
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return _dirty || layout == nil;
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}
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BOOL ASDisplayNodeLayout::isValidForConstrainedSizeParentSize(ASSizeRange theConstrainedSize, CGSize theParentSize)
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{
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// Only generate a new layout if:
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// - The current layout is dirty
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// - The passed constrained size is different than the original layout's parent or constrained size
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return (layout != nil
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&& _dirty == NO
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&& CGSizeEqualToSize(parentSize, theParentSize)
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&& ASSizeRangeEqualToSizeRange(constrainedSize, theConstrainedSize));
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}
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void ASDisplayNodeLayout::invalidate()
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{
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_dirty = YES;
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}
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