Add interface coalescing disable API

This makes it easier for conforming UI updates within tests.
TextureGroup · Oct 16, 2018 · e35db3b · e35db3b
1 parent 7cdfacc
commit e35db3b
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/Source/ASRunLoopQueue.h b/Source/ASRunLoopQueue.h
@@ -55,6 +55,8 @@ AS_SUBCLASSING_RESTRICTED
 
 @property (readonly, getter=isEnabled) BOOL enabled;
 
+- (void)disable;
+
 /**
  * The queue to run on main run loop before CATransaction commit.
  *

diff --git a/Source/ASRunLoopQueue.mm b/Source/ASRunLoopQueue.mm
@@ -330,6 +330,7 @@ @interface ASCATransactionQueue () {
 
   // In order to not pollute the top-level activities, each queue has 1 root activity.
   os_activity_t _rootActivity;
+  BOOL _disabled;
 
 #if ASRunLoopQueueLoggingEnabled
   NSTimer *_runloopQueueLoggingTimer;
@@ -363,6 +364,7 @@ - (instancetype)init
     _runLoop = CFRunLoopGetMain();
     NSPointerFunctionsOptions options = NSPointerFunctionsStrongMemory;
     _internalQueue = [[NSPointerArray alloc] initWithOptions:options];
+    _disabled = NO;
 
     // We don't want to pollute the top-level app activities with run loop batches, so we create one top-level
     // activity per queue, and each batch activity joins that one instead.
@@ -535,7 +537,12 @@ - (BOOL)isEmpty
 
 - (BOOL)isEnabled
 {
-  return ASActivateExperimentalFeature(ASExperimentalInterfaceStateCoalescing);
+  return ASActivateExperimentalFeature(ASExperimentalInterfaceStateCoalescing) && !_disabled;
+}
+
+- (void)disable
+{
+  _disabled = YES;
 }
 
 @end