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* Convert the codebase to Objective-C++ throughout. One language is better than two. * Put it back * Fix linker * Point explicitly to updated Weaver to unblock build * Revert "Point explicitly to updated Weaver to unblock build" This reverts commit fdc25296e8794d4e6e56c35f5fe6da2be3f71dbc. * Revert "Fix linker" This reverts commit 7be25f91519b8497ef42de79f115bcfbdb965c39. * Add in the frameworks * no message * Address spec lint warnings * Fix tvos build * Put that back * Address Michael's review * Add comment to kick CI
89 lines
3.2 KiB
Plaintext
89 lines
3.2 KiB
Plaintext
//
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// _ASAsyncTransactionGroup.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASAssert.h>
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#import <AsyncDisplayKit/_ASAsyncTransaction.h>
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#import <AsyncDisplayKit/_ASAsyncTransactionGroup.h>
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#import <AsyncDisplayKit/_ASAsyncTransactionContainer.h>
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#import <AsyncDisplayKit/_ASAsyncTransactionContainer+Private.h>
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@implementation _ASAsyncTransactionGroup {
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NSHashTable<id<ASAsyncTransactionContainer>> *_containers;
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}
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+ (_ASAsyncTransactionGroup *)mainTransactionGroup
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{
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ASDisplayNodeAssertMainThread();
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static _ASAsyncTransactionGroup *mainTransactionGroup;
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if (mainTransactionGroup == nil) {
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mainTransactionGroup = [[_ASAsyncTransactionGroup alloc] _init];
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[mainTransactionGroup registerAsMainRunloopObserver];
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}
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return mainTransactionGroup;
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}
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- (void)registerAsMainRunloopObserver
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{
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ASDisplayNodeAssertMainThread();
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static CFRunLoopObserverRef observer;
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ASDisplayNodeAssert(observer == NULL, @"A _ASAsyncTransactionGroup should not be registered on the main runloop twice");
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// defer the commit of the transaction so we can add more during the current runloop iteration
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CFRunLoopRef runLoop = CFRunLoopGetCurrent();
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CFOptionFlags activities = (kCFRunLoopBeforeWaiting | // before the run loop starts sleeping
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kCFRunLoopExit); // before exiting a runloop run
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observer = CFRunLoopObserverCreateWithHandler(NULL, // allocator
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activities, // activities
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YES, // repeats
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INT_MAX, // order after CA transaction commits
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^(CFRunLoopObserverRef observer, CFRunLoopActivity activity) {
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ASDisplayNodeCAssertMainThread();
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[self commit];
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});
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CFRunLoopAddObserver(runLoop, observer, kCFRunLoopCommonModes);
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CFRelease(observer);
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}
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- (instancetype)_init
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{
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if ((self = [super init])) {
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_containers = [NSHashTable hashTableWithOptions:NSHashTableObjectPointerPersonality];
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}
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return self;
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}
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- (void)addTransactionContainer:(id<ASAsyncTransactionContainer>)container
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{
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ASDisplayNodeAssertMainThread();
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ASDisplayNodeAssert(container != nil, @"No container");
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[_containers addObject:container];
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}
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- (void)commit
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{
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ASDisplayNodeAssertMainThread();
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if ([_containers count]) {
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NSHashTable *containersToCommit = _containers;
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_containers = [NSHashTable hashTableWithOptions:NSHashTableObjectPointerPersonality];
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for (id<ASAsyncTransactionContainer> container in containersToCommit) {
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// Note that the act of committing a transaction may open a new transaction,
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// so we must nil out the transaction we're committing first.
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_ASAsyncTransaction *transaction = container.asyncdisplaykit_currentAsyncTransaction;
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container.asyncdisplaykit_currentAsyncTransaction = nil;
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[transaction commit];
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}
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}
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}
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@end
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