Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Apply transformations while offsetting focused rects

Browse Source 
Change-Id: Id6ebf8d50bd74f52fb76cf12bf14ccc0dcf7e34b
This commit is contained in:
Adrian Roos
2016-01-08 16:49:17 +01:00
parent d28ccd7cab
commit 83e725da7a
1 changed files with 42 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
core/java/android/view/ViewGroup.java
View File

@@ -5359,6 +5359,9 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
void offsetRectBetweenParentAndChild(View descendant, Rect rect,
boolean offsetFromChildToParent, boolean clipToBounds) {
final RectF rectF = mAttachInfo != null ? mAttachInfo.mTmpTransformRect1 : new RectF();
final Matrix inverse = mAttachInfo != null ? mAttachInfo.mTmpMatrix : new Matrix();
// already in the same coord system :)
if (descendant == this) {
return;
@@ -5372,8 +5375,16 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
&& (theParent != this)) {
if (offsetFromChildToParent) {
rect.offset(descendant.mLeft - descendant.mScrollX,
descendant.mTop - descendant.mScrollY);
rect.offset(-descendant.mScrollX, -descendant.mScrollY);
if (!descendant.hasIdentityMatrix()) {
rectF.set(rect);
descendant.getMatrix().mapRect(rectF);
rectF.roundOut(rect);
}
rect.offset(descendant.mLeft, descendant.mTop);
if (clipToBounds) {
View p = (View) theParent;
boolean intersected = rect.intersect(0, 0, p.mRight - p.mLeft,
@@ -5391,8 +5402,16 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
rect.setEmpty();
}
}
rect.offset(descendant.mScrollX - descendant.mLeft,
descendant.mScrollY - descendant.mTop);
rect.offset(-descendant.mLeft, -descendant.mTop);
if (!descendant.hasIdentityMatrix()) {
descendant.getMatrix().invert(inverse);
rectF.set(rect);
inverse.mapRect(rectF);
rectF.roundOut(rect);
}
rect.offset(descendant.mScrollX, descendant.mScrollY);
}
descendant = (View) theParent;
@@ -5403,11 +5422,26 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
// to get into our coordinate space
if (theParent == this) {
if (offsetFromChildToParent) {
rect.offset(descendant.mLeft - descendant.mScrollX,
descendant.mTop - descendant.mScrollY);
rect.offset(-descendant.mScrollX, -descendant.mScrollY);
if (!descendant.hasIdentityMatrix()) {
rectF.set(rect);
descendant.getMatrix().mapRect(rectF);
rectF.roundOut(rect);
}
rect.offset(descendant.mLeft, descendant.mTop);
} else {
rect.offset(descendant.mScrollX - descendant.mLeft,
descendant.mScrollY - descendant.mTop);
rect.offset(-descendant.mLeft, -descendant.mTop);
if (!descendant.hasIdentityMatrix()) {
descendant.getMatrix().invert(inverse);
rectF.set(rect);
inverse.mapRect(rectF);
rectF.roundOut(rect);
}
rect.offset(descendant.mScrollX, descendant.mScrollY);
}
} else {
throw new IllegalArgumentException("parameter must be a descendant of this view");