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Predictive swipe: show extra app icons at bottom of All Apps's RecyclerViews

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The maximum center scale of All Apps to Home is 90%. It means we should add 5% height to All Apps's RecyclerView to render extra app icons.

Test: manual
bug: b/264906511
Change-Id: I2e970580810220e25d7fc3a86c19abaf87ba2c6e
This commit is contained in:
Fengjiang Li
2023-01-12 10:31:24 -08:00
parent 944348a522
commit 3774824cea
3 changed files with 108 additions and 3 deletions
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95
src/com/android/launcher3/allapps/AllAppsTransitionController.java
View File

@@ -32,14 +32,18 @@ import android.animation.ObjectAnimator;
import android.util.FloatProperty;
import android.view.HapticFeedbackConstants;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.view.animation.Interpolator;
import androidx.annotation.FloatRange;
import androidx.annotation.Nullable;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.R;
import com.android.launcher3.anim.AnimatedFloat;
import com.android.launcher3.anim.AnimatorListeners;
import com.android.launcher3.anim.Interpolators;
@@ -66,7 +70,7 @@ public class AllAppsTransitionController
implements StateHandler<LauncherState>, OnDeviceProfileChangeListener {
// This constant should match the second derivative of the animator interpolator.
public static final float INTERP_COEFF = 1.7f;
private static final float SWIPE_ALL_APPS_TO_HOME_MIN_SCALE = 0.9f;
public static final float SWIPE_ALL_APPS_TO_HOME_MIN_SCALE = 0.9f;
private static final int REVERT_SWIPE_ALL_APPS_TO_HOME_ANIMATION_DURATION_MS = 200;
public static final FloatProperty<AllAppsTransitionController> ALL_APPS_PROGRESS =
@@ -168,6 +172,8 @@ public class AllAppsTransitionController
private boolean mIsTablet;
private boolean mHasScaleEffect;
public AllAppsTransitionController(Launcher l) {
mLauncher = l;
DeviceProfile dp = mLauncher.getDeviceProfile();
@@ -276,8 +282,18 @@ public class AllAppsTransitionController
rv.getScrollbar().setVisibility(scaleProgress < 1f ? View.INVISIBLE : View.VISIBLE);
}
// TODO(b/264906511): We need to disable view clipping on all apps' parent views so
// that the extra roll of app icons are displayed.
// Disable view clipping from all apps' RecyclerView up to all apps view during scale
// animation, and vice versa. The goal is to display extra roll(s) app icons (rendered in
// {@link AppsGridLayoutManager#calculateExtraLayoutSpace}) during scale animation.
boolean hasScaleEffect = scaleProgress < 1f;
if (hasScaleEffect != mHasScaleEffect) {
mHasScaleEffect = hasScaleEffect;
if (mHasScaleEffect) {
setClipChildrenOnViewTree(rv, mLauncher.getAppsView(), false);
} else {
restoreClipChildrenOnViewTree(rv, mLauncher.getAppsView());
}
}
}
private void animateAllAppsToNoScale() {
@@ -380,6 +396,79 @@ public class AllAppsTransitionController
mShouldControlKeyboard = !mLauncher.getSearchConfig().isKeyboardSyncEnabled();
}
/**
* Recursively call {@link ViewGroup#setClipChildren(boolean)} from {@link View} to ts parent
* (direct or indirect) inclusive. This method will also save the old clipChildren value on each
* view with {@link View#setTag(int, Object)}, which can be restored in
* {@link #restoreClipChildrenOnViewTree(View, ViewParent)}.
*
* Note that if parent is null or not a parent of the view, this method will be applied all the
* way to root view.
*
* @param v child view
* @param parent direct or indirect parent of child view
* @param clipChildren whether we should clip children
*/
private static void setClipChildrenOnViewTree(
@Nullable View v,
@Nullable ViewParent parent,
boolean clipChildren) {
if (v == null) {
return;
}
if (v instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) v;
boolean oldClipChildren = viewGroup.getClipChildren();
if (oldClipChildren != clipChildren) {
v.setTag(R.id.saved_clip_children_tag_id, oldClipChildren);
viewGroup.setClipChildren(clipChildren);
}
}
if (v == parent) {
return;
}
if (v.getParent() instanceof View) {
setClipChildrenOnViewTree((View) v.getParent(), parent, clipChildren);
}
}
/**
* Recursively call {@link ViewGroup#setClipChildren(boolean)} to restore clip children value
* set in {@link #setClipChildrenOnViewTree(View, ViewParent, boolean)} on view to its parent
* (direct or indirect) inclusive.
*
* Note that if parent is null or not a parent of the view, this method will be applied all the
* way to root view.
*
* @param v child view
* @param parent direct or indirect parent of child view
*/
private static void restoreClipChildrenOnViewTree(
@Nullable View v, @Nullable ViewParent parent) {
if (v == null) {
return;
}
if (v instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) v;
Object viewTag = viewGroup.getTag(R.id.saved_clip_children_tag_id);
if (viewTag instanceof Boolean) {
viewGroup.setClipChildren((boolean) viewTag);
viewGroup.setTag(R.id.saved_clip_children_tag_id, null);
}
}
if (v == parent) {
return;
}
if (v.getParent() instanceof View) {
restoreClipChildrenOnViewTree((View) v.getParent(), parent);
}
}
/**
* Updates the total scroll range but does not update the UI.
*/