79 lines
3.0 KiB
Java
79 lines
3.0 KiB
Java
package androidx.constraintlayout.widget;
|
|
|
|
import android.content.Context;
|
|
import android.content.res.TypedArray;
|
|
import android.util.AttributeSet;
|
|
import android.view.View;
|
|
import android.view.ViewParent;
|
|
public abstract class VirtualLayout extends ConstraintHelper {
|
|
private boolean mApplyElevationOnAttach;
|
|
private boolean mApplyVisibilityOnAttach;
|
|
|
|
public VirtualLayout(Context context) {
|
|
super(context);
|
|
}
|
|
|
|
public VirtualLayout(Context context, AttributeSet attributeSet) {
|
|
super(context, attributeSet);
|
|
}
|
|
|
|
public VirtualLayout(Context context, AttributeSet attributeSet, int i) {
|
|
super(context, attributeSet, i);
|
|
}
|
|
|
|
@Override // androidx.constraintlayout.widget.ConstraintHelper
|
|
public void init(AttributeSet attributeSet) {
|
|
super.init(attributeSet);
|
|
if (attributeSet != null) {
|
|
TypedArray obtainStyledAttributes = getContext().obtainStyledAttributes(attributeSet, R.styleable.ConstraintLayout_Layout);
|
|
int indexCount = obtainStyledAttributes.getIndexCount();
|
|
for (int i = 0; i < indexCount; i++) {
|
|
int index = obtainStyledAttributes.getIndex(i);
|
|
if (index == R.styleable.ConstraintLayout_Layout_android_visibility) {
|
|
this.mApplyVisibilityOnAttach = true;
|
|
} else if (index == R.styleable.ConstraintLayout_Layout_android_elevation) {
|
|
this.mApplyElevationOnAttach = true;
|
|
}
|
|
}
|
|
obtainStyledAttributes.recycle();
|
|
}
|
|
}
|
|
|
|
@Override // androidx.constraintlayout.widget.ConstraintHelper, android.view.View
|
|
public void onAttachedToWindow() {
|
|
ViewParent parent;
|
|
super.onAttachedToWindow();
|
|
if ((this.mApplyVisibilityOnAttach || this.mApplyElevationOnAttach) && (parent = getParent()) != null && (parent instanceof ConstraintLayout)) {
|
|
ConstraintLayout constraintLayout = (ConstraintLayout) parent;
|
|
int visibility = getVisibility();
|
|
float elevation = getElevation();
|
|
for (int i = 0; i < this.mCount; i++) {
|
|
View viewById = constraintLayout.getViewById(this.mIds[i]);
|
|
if (viewById != null) {
|
|
if (this.mApplyVisibilityOnAttach) {
|
|
viewById.setVisibility(visibility);
|
|
}
|
|
if (this.mApplyElevationOnAttach && elevation > 0.0f) {
|
|
viewById.setTranslationZ(viewById.getTranslationZ() + elevation);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public void onMeasure(androidx.constraintlayout.solver.widgets.VirtualLayout virtualLayout, int i, int i2) {
|
|
}
|
|
|
|
@Override // android.view.View
|
|
public void setElevation(float f) {
|
|
super.setElevation(f);
|
|
applyLayoutFeatures();
|
|
}
|
|
|
|
@Override // android.view.View
|
|
public void setVisibility(int i) {
|
|
super.setVisibility(i);
|
|
applyLayoutFeatures();
|
|
}
|
|
}
|