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a58844379c
This provides internal features on _ASAsyncTransaction and ASDisplayNode to facilitate implementing public API that allows clients to choose if they would prefer to block on the completion of unfinished rendering, rather than allow a placeholder state to become visible. The internal features are: -[_ASAsyncTransaction waitUntilComplete] -[ASDisplayNode recursivelyEnsureDisplay] Also provided are two such implementations: -[ASCellNode setNeverShowPlaceholders:], which integrates with both Tables and Collections -[ASViewController setNeverShowPlaceholders:], which should work with Nav and Tab controllers. Lastly, on ASDisplayNode, a new property .shouldBypassEnsureDisplay allows individual node types to exempt themselves from blocking the main thread on their display. By implementing the feature at the ASCellNode level rather than ASTableView & ASCollectionView, developers can retain fine-grained control on display characteristics. For example, certain cell types may be appropriate to display to the user with placeholders, whereas others may not. Follow-up work will include unit tests, revisiting names, and the header locations of definitions.
34 lines
1.3 KiB
Objective-C
34 lines
1.3 KiB
Objective-C
/* This file provided by Facebook is for non-commercial testing and evaluation
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* purposes only. Facebook reserves all rights not expressly granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#import "AppDelegate.h"
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#import "AsyncTableViewController.h"
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#import "AsyncViewController.h"
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@implementation AppDelegate
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
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{
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self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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self.window.backgroundColor = [UIColor whiteColor];
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UITabBarController *tabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil];
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self.window.rootViewController = tabBarController;
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[tabBarController setViewControllers:@[[[AsyncTableViewController alloc] init], [[AsyncViewController alloc] init]]];
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[self.window makeKeyAndVisible];
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return YES;
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}
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@end
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