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Removing unused background padding from base recycler view

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Change-Id: I36f68a143df8f3668074b3539aa9af170a91e511
This commit is contained in:
Sunny Goyal
2016-10-18 14:23:46 +01:00
parent d2959b9ee7
commit 00e106880d
5 changed files with 18 additions and 71 deletions
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14
src/com/android/launcher3/BaseRecyclerViewFastScrollBar.java
View File

@@ -150,7 +150,7 @@ public class BaseRecyclerViewFastScrollBar {
}
int left = getDrawLeft();
// Invalidate the whole scroll bar area.
mRv.invalidate(left, 0, left + mMaxWidth, mRv.getVisibleHeight());
mRv.invalidate(left, 0, left + mMaxWidth, mRv.getScrollbarTrackHeight());
mWidth = width;
updateThumbPath();
@@ -218,11 +218,9 @@ public class BaseRecyclerViewFastScrollBar {
}
if (mIsDragging) {
// Update the fastscroller section name at this touch position
int top = mRv.getBackgroundPadding().top;
int bottom = top + mRv.getVisibleHeight() - mThumbHeight;
float boundedY = (float) Math.max(top, Math.min(bottom, y - mTouchOffsetY));
String sectionName = mRv.scrollToPositionAtProgress((boundedY - top) /
(bottom - top));
int bottom = mRv.getScrollbarTrackHeight() - mThumbHeight;
float boundedY = (float) Math.max(0, Math.min(bottom, y - mTouchOffsetY));
String sectionName = mRv.scrollToPositionAtProgress(boundedY / bottom);
if (!sectionName.equals(mPopupSectionName)) {
mPopupSectionName = sectionName;
mPopupView.setText(sectionName);
@@ -257,7 +255,7 @@ public class BaseRecyclerViewFastScrollBar {
}
// Draw the track
int thumbWidth = mIsRtl ? mWidth : -mWidth;
canvas.drawRect(0, 0, thumbWidth, mRv.getVisibleHeight(), mTrackPaint);
canvas.drawRect(0, 0, thumbWidth, mRv.getScrollbarTrackHeight(), mTrackPaint);
canvas.translate(0, mThumbOffsetY);
canvas.drawPath(mThumbPath, mThumbPaint);
@@ -299,7 +297,7 @@ public class BaseRecyclerViewFastScrollBar {
private void updatePopupY(int lastTouchY) {
int height = mPopupView.getHeight();
float top = lastTouchY - (FAST_SCROLL_OVERLAY_Y_OFFSET_FACTOR * height);
top = Math.max(mMaxWidth, Math.min(top, mRv.getVisibleHeight() - mMaxWidth - height));
top = Math.max(mMaxWidth, Math.min(top, mRv.getScrollbarTrackHeight() - mMaxWidth - height));
mPopupView.setTranslationY(top);
}
}