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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
85 lines
2.9 KiB
Plaintext
85 lines
2.9 KiB
Plaintext
//
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// ASLayoutable.mm
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// AsyncDisplayKit
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//
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// Created by Huy Nguyen on 3/27/16.
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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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#import "ASLayoutablePrivate.h"
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#import "ASEnvironmentInternal.h"
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#import "ASDisplayNodeInternal.h"
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#import <map>
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CGFloat const ASLayoutableParentDimensionUndefined = NAN;
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CGSize const ASLayoutableParentSizeUndefined = {ASLayoutableParentDimensionUndefined, ASLayoutableParentDimensionUndefined};
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int32_t const ASLayoutableContextInvalidTransitionID = 0;
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int32_t const ASLayoutableContextDefaultTransitionID = ASLayoutableContextInvalidTransitionID + 1;
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static inline ASLayoutableContext _ASLayoutableContextMake(int32_t transitionID, BOOL needsVisualizeNode)
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{
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struct ASLayoutableContext context;
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context.transitionID = transitionID;
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context.needsVisualizeNode = needsVisualizeNode;
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return context;
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}
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static inline BOOL _IsValidTransitionID(int32_t transitionID)
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{
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return transitionID > ASLayoutableContextInvalidTransitionID;
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}
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struct ASLayoutableContext const ASLayoutableContextNull = _ASLayoutableContextMake(ASLayoutableContextInvalidTransitionID, NO);
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BOOL ASLayoutableContextIsNull(struct ASLayoutableContext context)
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{
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return !_IsValidTransitionID(context.transitionID);
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}
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ASLayoutableContext ASLayoutableContextMake(int32_t transitionID, BOOL needsVisualizeNode)
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{
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NSCAssert(_IsValidTransitionID(transitionID), @"Invalid transition ID");
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return _ASLayoutableContextMake(transitionID, needsVisualizeNode);
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}
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// Note: This is a non-recursive static lock. If it needs to be recursive, use ASDISPLAYNODE_MUTEX_RECURSIVE_INITIALIZER
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static ASDN::StaticMutex _layoutableContextLock = ASDISPLAYNODE_MUTEX_INITIALIZER;
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static std::map<mach_port_t, ASLayoutableContext> layoutableContextMap;
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static inline mach_port_t ASLayoutableGetCurrentContextKey()
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{
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return pthread_mach_thread_np(pthread_self());
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}
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void ASLayoutableSetCurrentContext(struct ASLayoutableContext context)
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{
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const mach_port_t key = ASLayoutableGetCurrentContextKey();
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ASDN::StaticMutexLocker l(_layoutableContextLock);
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layoutableContextMap[key] = context;
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}
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struct ASLayoutableContext ASLayoutableGetCurrentContext()
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{
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const mach_port_t key = ASLayoutableGetCurrentContextKey();
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ASDN::StaticMutexLocker l(_layoutableContextLock);
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const auto it = layoutableContextMap.find(key);
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if (it != layoutableContextMap.end()) {
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// Found an interator with above key. "it->first" is the key itself, "it->second" is the context value.
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return it->second;
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}
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return ASLayoutableContextNull;
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}
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void ASLayoutableClearCurrentContext()
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{
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const mach_port_t key = ASLayoutableGetCurrentContextKey();
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ASDN::StaticMutexLocker l(_layoutableContextLock);
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layoutableContextMap.erase(key);
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}
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