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Merge "Release stretch overscroll when new items are added." into sc-v2-dev

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TreeHugger Robot
2021-12-15 00:58:57 +00:00
committed by Android (Google) Code Review
parent ff733363f6 aab9304c6a
commit f0786d5d90
1 changed files with 26 additions and 36 deletions
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62
core/java/android/widget/AbsListView.java
View File

@@ -3682,14 +3682,14 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
if (!mEdgeGlowBottom.isFinished()) {
mEdgeGlowBottom.onRelease();
}
invalidateTopGlow();
invalidateEdgeEffects();
} else if (incrementalDeltaY < 0) {
mEdgeGlowBottom.onPullDistance((float) overscroll / getHeight(),
1.f - (float) x / getWidth());
if (!mEdgeGlowTop.isFinished()) {
mEdgeGlowTop.onRelease();
}
invalidateBottomGlow();
invalidateEdgeEffects();
}
}
}
@@ -3729,7 +3729,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
if (!mEdgeGlowBottom.isFinished()) {
mEdgeGlowBottom.onRelease();
}
invalidateTopGlow();
invalidateEdgeEffects();
} else if (rawDeltaY < 0) {
mEdgeGlowBottom.onPullDistance(
(float) -overScrollDistance / getHeight(),
@@ -3737,7 +3737,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
if (!mEdgeGlowTop.isFinished()) {
mEdgeGlowTop.onRelease();
}
invalidateBottomGlow();
invalidateEdgeEffects();
}
}
}
@@ -3783,17 +3783,21 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
// First allow releasing existing overscroll effect:
float consumed = 0;
if (mEdgeGlowTop.getDistance() != 0) {
consumed = mEdgeGlowTop.onPullDistance((float) deltaY / getHeight(),
(float) x / getWidth());
if (consumed != 0f) {
invalidateTopGlow();
if (canScrollUp()) {
mEdgeGlowTop.onRelease();
} else {
consumed = mEdgeGlowTop.onPullDistance((float) deltaY / getHeight(),
(float) x / getWidth());
}
invalidateEdgeEffects();
} else if (mEdgeGlowBottom.getDistance() != 0) {
consumed = -mEdgeGlowBottom.onPullDistance((float) -deltaY / getHeight(),
1f - (float) x / getWidth());
if (consumed != 0f) {
invalidateBottomGlow();
if (canScrollDown()) {
mEdgeGlowBottom.onRelease();
} else {
consumed = -mEdgeGlowBottom.onPullDistance((float) -deltaY / getHeight(),
1f - (float) x / getWidth());
}
invalidateEdgeEffects();
}
int pixelsConsumed = Math.round(consumed * getHeight());
return deltaY - pixelsConsumed;
@@ -3803,30 +3807,16 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
* @return <code>true</code> if either the top or bottom edge glow is currently active or
* <code>false</code> if it has no value to release.
*/
private boolean isGlowActive() {
return mEdgeGlowBottom.getDistance() != 0 || mEdgeGlowTop.getDistance() != 0;
private boolean doesTouchStopStretch() {
return (mEdgeGlowBottom.getDistance() != 0 && !canScrollDown())
|| (mEdgeGlowTop.getDistance() != 0 && !canScrollUp());
}
private void invalidateTopGlow() {
private void invalidateEdgeEffects() {
if (!shouldDisplayEdgeEffects()) {
return;
}
final boolean clipToPadding = getClipToPadding();
final int top = clipToPadding ? mPaddingTop : 0;
final int left = clipToPadding ? mPaddingLeft : 0;
final int right = clipToPadding ? getWidth() - mPaddingRight : getWidth();
invalidate(left, top, right, top + mEdgeGlowTop.getMaxHeight());
}
private void invalidateBottomGlow() {
if (!shouldDisplayEdgeEffects()) {
return;
}
final boolean clipToPadding = getClipToPadding();
final int bottom = clipToPadding ? getHeight() - mPaddingBottom : getHeight();
final int left = clipToPadding ? mPaddingLeft : 0;
final int right = clipToPadding ? getWidth() - mPaddingRight : getWidth();
invalidate(left, bottom - mEdgeGlowBottom.getMaxHeight(), right, bottom);
invalidate();
}
@Override
@@ -4469,7 +4459,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
final int edgeY = Math.min(0, scrollY + mFirstPositionDistanceGuess) + translateY;
canvas.translate(translateX, edgeY);
if (mEdgeGlowTop.draw(canvas)) {
invalidateTopGlow();
invalidateEdgeEffects();
}
canvas.restoreToCount(restoreCount);
}
@@ -4483,7 +4473,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
canvas.translate(edgeX, edgeY);
canvas.rotate(180, width, 0);
if (mEdgeGlowBottom.draw(canvas)) {
invalidateBottomGlow();
invalidateEdgeEffects();
}
canvas.restoreToCount(restoreCount);
}
@@ -4573,7 +4563,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
mActivePointerId = ev.getPointerId(0);
int motionPosition = findMotionRow(y);
if (isGlowActive()) {
if (doesTouchStopStretch()) {
// Pressed during edge effect, so this is considered the same as a fling catch.
touchMode = mTouchMode = TOUCH_MODE_FLING;
} else if (touchMode != TOUCH_MODE_FLING && motionPosition >= 0) {
@@ -6579,7 +6569,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
*/
public void setBottomEdgeEffectColor(@ColorInt int color) {
mEdgeGlowBottom.setColor(color);
invalidateBottomGlow();
invalidateEdgeEffects();
}
/**
@@ -6593,7 +6583,7 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
*/
public void setTopEdgeEffectColor(@ColorInt int color) {
mEdgeGlowTop.setColor(color);
invalidateTopGlow();
invalidateEdgeEffects();
}
/**