[BUG] 修正动画处理时，对于transition-duration小于1000 / 60微秒的情况，没有动画效果也没有更新最终样式的问题。

apache · Apr 23, 2019 · d2ba8d0 · d2ba8d0
1 parent d7620e0
commit d2ba8d0
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/ios/sdk/WeexSDK/Sources/Module/WXTransition.mm b/ios/sdk/WeexSDK/Sources/Module/WXTransition.mm
@@ -319,10 +319,10 @@ - (void)_calculatetransitionProcessingStyle
     }
 
     // Bugfix: https://github.com/apache/incubator-weex/issues/2347
-    NSUInteger frameCount = _transitionDuration * 60 / 1000;
+    NSUInteger frameCount = MAX(_transitionDuration * 60 / 1000, 1);
     NSUInteger currentFrame = _transitionCount + 1;
     double per = (double)currentFrame / frameCount; //linear
-    if (![[NSString stringWithFormat:@"%@",_transitionTimingFunction] isEqualToString: kCAMediaTimingFunctionLinear]) {
+    if (currentFrame < frameCount && ![[NSString stringWithFormat:@"%@",_transitionTimingFunction] isEqualToString: kCAMediaTimingFunctionLinear]) {
         per = [self solveWithx:per epsilon:SOLVE_EPS(_transitionDuration)];
     }
 
@@ -449,7 +449,7 @@ - (void)_awakeTransitionDisplayLink
 - (void)_handleTransitionDisplayLink
 {
     WXAssertComponentThread();
-    int count = _transitionDuration * 60 / 1000;
+    int count = MAX(_transitionDuration * 60 / 1000, 1);
     if (_transitionCount >= count) {
         [self _suspendTransitionDisplayLink];
         [self _resetProcessAnimationParameter];