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8897614f0e
* Initial commit for adding a size constraint to ASLayoutable's * Some more commits * Fix sample projects in extra/ * Remove preferredFrameSize test of ASEditableTextNode * Remove preferredFrameSize from examples_extra * Add deprecation warning to -[ASDisplayNode preferredFrameSize] * Add deprecation warning to -[ASDisplayNode measureWithSizeRange:] * Commit * Commit * Remove ASRelativeSizeRange * Make ASRelativeSize private * Adjust examples * Improve setting of -[ASLayoutable size] with points or fractions * Add ASWrapperLayoutSpec * Improve creation of ASRelativeDimension * Add `preferredFrameSize` back and add deprecated logging * Add `layoutSpecBlock` setter and getter and add locking for it * Add better documentation and fix macros to create ASRelativeDimension * Create new ASSizeRangeMake with just a CGSize as parameter * Update Kitten and Social App Layout example * Add layoutThatFits: and deprecate measure: * Rename ASRelativeDimension to ASDimension * Fix examples for ASDimension renaming * Remove fancy height and width setter * Fix ASDimension helper * Rename -[ASLayout layoutableObject] to -[ASLayout layoutable] * Update layout related methods and more clearer documentation around how to use it * Deprecate old ASLayout class constructors * Don't unnecessary recalculate layout if constrained or parent size did not change * Use shared pointer for ASDisplayNodeLayout * Fix rebase conflicts * Add documentation and move implementation in mm file of ASDisplayNodeLayout * Fix test errors * Rename ASSize to ASLayoutableSize * Address comments * Rename setSizeFromCGSize to setSizeWithCGSize * Improve inline functions in ASDimension * Fix rebase conflicts
59 lines
1.8 KiB
Objective-C
59 lines
1.8 KiB
Objective-C
//
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// ASDisplayNodeLayout.h
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// AsyncDisplayKit
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//
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// Created by Michael Schneider on 08/26/16.
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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 root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#pragma once
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#import "ASDimension.h"
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@class ASLayout;
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/*
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* Represents a connection between an ASLayout and a ASDisplayNode
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* ASDisplayNode uses this to store additional information that are necessary besides the layout
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*/
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struct ASDisplayNodeLayout {
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ASLayout *layout;
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ASSizeRange constrainedSize;
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CGSize parentSize;
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BOOL _dirty;
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/*
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* Create a new display node layout with
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* @param layout The layout to associate, usually returned from a call to -layoutThatFits:parentSize:
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* @param constrainedSize Constrained size used to create the layout
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* @param parentSize Parent size used to create the layout
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*/
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ASDisplayNodeLayout(ASLayout *layout, ASSizeRange constrainedSize, CGSize parentSize)
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: layout(layout), constrainedSize(constrainedSize), parentSize(parentSize), _dirty(NO) {};
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/*
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* Creates a layout without any layout associated. By default this display node layout is dirty.
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*/
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ASDisplayNodeLayout()
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: layout(nil), constrainedSize({{0, 0}, {0, 0}}), parentSize({0, 0}), _dirty(YES) {};
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/**
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* Returns if the display node layout is dirty as it was invalidated or it was created without a layout.
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*/
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BOOL isDirty();
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/**
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* Returns if ASDisplayNode is still valid for a given constrained and parent size
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*/
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BOOL isValidForConstrainedSizeParentSize(ASSizeRange constrainedSize, CGSize parentSize);
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/**
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* Invalidate the display node layout
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*/
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void invalidate();
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};
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