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Add ability for Animated views to be created with scale X or scale Y #18220

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Liamandrew wants to merge 9 commits into from
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Add ability for Animated views to be created with scale X or scale Y #18220

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673c999
Initial changes to add layout animation
Liamandrew Mar 3, 2018
cb0667c
Initial changes to add layout animation
Liamandrew Mar 3, 2018
2b633a2
Merge branch 'pr/scaleAnimations' of https://github.com/Liamandrew/re…
Liamandrew Mar 3, 2018
8ae3395
Adjust scale parameters correctly
Liamandrew Mar 3, 2018
9d6c798
Initial changes to add layout animation
Liamandrew Mar 3, 2018
23cbb21
Merge branch 'pr/scaleAnimations' of https://github.com/Liamandrew/re…
Liamandrew Mar 6, 2018
460ef0f
remove dependency
Liamandrew Mar 6, 2018
de18ebd
Remove yarn.lock
Liamandrew Mar 7, 2018
602d21f
remove package-lock.json
Liamandrew Mar 7, 2018
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2 changes: 2 additions & 0 deletions Libraries/LayoutAnimation/LayoutAnimation.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@ const Types = keyMirror(TypesEnum);

const PropertiesEnum = {
opacity: true,
scaleX: true,
scaleY: true,
scaleXY: true,
};
const Properties = keyMirror(PropertiesEnum);
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14 changes: 13 additions & 1 deletion React/Modules/RCTUIManager.m
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Expand Up @@ -595,6 +595,10 @@ - (RCTViewManagerUIBlock)uiBlockWithLayoutUpdateForRootView:(RCTRootShadowView *
NSString *property = creatingLayoutAnimation.property;
if ([property isEqualToString:@"scaleXY"]) {
view.layer.transform = CATransform3DMakeScale(0, 0, 0);
} else if ([property isEqualToString:@"scaleX"]) {
view.layer.transform = CATransform3DMakeScale(0, 1, 0);
} else if ([property isEqualToString:@"scaleY"]) {
view.layer.transform = CATransform3DMakeScale(1, 0, 0);
} else if ([property isEqualToString:@"opacity"]) {
view.layer.opacity = 0.0;
} else {
Expand All @@ -603,7 +607,11 @@ - (RCTViewManagerUIBlock)uiBlockWithLayoutUpdateForRootView:(RCTRootShadowView *
}

[creatingLayoutAnimation performAnimations:^{
if ([property isEqualToString:@"scaleXY"]) {
if (
[property isEqualToString:@"scaleX"] ||
[property isEqualToString:@"scaleY"] ||
[property isEqualToString:@"scaleXY"]
) {
view.layer.transform = finalTransform;
} else if ([property isEqualToString:@"opacity"]) {
view.layer.opacity = finalOpacity;
Expand Down Expand Up @@ -738,6 +746,10 @@ - (void)_removeChildren:(NSArray<UIView *> *)children
[deletingLayoutAnimation performAnimations:^{
if ([property isEqualToString:@"scaleXY"]) {
removedChild.layer.transform = CATransform3DMakeScale(0.001, 0.001, 0.001);
} else if ([property isEqualToString:@"scaleX"]) {
removedChild.layer.transform = CATransform3DMakeScale(0.001, 1, 0.001);
} else if ([property isEqualToString:@"scaleY"]) {
removedChild.layer.transform = CATransform3DMakeScale(1, 0.001, 0.001);
} else if ([property isEqualToString:@"opacity"]) {
removedChild.layer.opacity = 0.0;
} else {
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2 changes: 2 additions & 0 deletions ...roid/src/main/java/com/facebook/react/uimanager/layoutanimation/AnimatedPropertyType.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@
*/
/* package */ enum AnimatedPropertyType {
OPACITY("opacity"),
SCALE_X("scaleX"),
SCALE_Y("scaleY"),
SCALE_XY("scaleXY");

private final String mName;
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26 changes: 26 additions & 0 deletions ...droid/src/main/java/com/facebook/react/uimanager/layoutanimation/BaseLayoutAnimation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,32 @@ Animation createAnimationImpl(View view, int x, int y, int width, int height) {
Animation.RELATIVE_TO_SELF,
.5f);
}
case SCALE_X: {
float fromValue = isReverse() ? 1.0f : 0.0f;
float toValue = isReverse() ? 0.0f : 1.0f;
return new ScaleAnimation(
fromValue,
toValue,
1f,
1f,
Animation.RELATIVE_TO_SELF,
.5f,
Animation.RELATIVE_TO_SELF,
0f);
}
case SCALE_Y: {
float fromValue = isReverse() ? 1.0f : 0.0f;
float toValue = isReverse() ? 0.0f : 1.0f;
return new ScaleAnimation(
1f,
1f,
fromValue,
toValue,
Animation.RELATIVE_TO_SELF,
0f,
Animation.RELATIVE_TO_SELF,
.5f);
}
default:
throw new IllegalViewOperationException(
"Missing animation for property : " + mAnimatedProperty);
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