Bottom user education view shown in work tab

Introduced a BottomUserEducationView for similar use case.

Screenshot: https://hsv.googleplex.com/4856820942241792

BUG=69963630

Change-Id: Ia818ee44fa5ce97ad1778f33e6a9a3a36cea5017

src/com/android/launcher3/widget/BaseWidgetSheet.java

@@ -15,94 +15,43 @@
  */
 package com.android.launcher3.widget;
 
-import static com.android.launcher3.anim.Interpolators.scrollInterpolatorForVelocity;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 
-import android.animation.Animator;
-import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
-import android.animation.PropertyValuesHolder;
 import android.content.Context;
 import android.graphics.Point;
 import android.util.AttributeSet;
-import android.util.Property;
-import android.view.MotionEvent;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
-import android.view.animation.Interpolator;
 import android.widget.Toast;
 
-import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.DragSource;
 import com.android.launcher3.DropTarget.DragObject;
 import com.android.launcher3.ItemInfo;
-import com.android.launcher3.Launcher;
-import com.android.launcher3.LauncherAnimUtils;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.graphics.GradientView;
-import com.android.launcher3.touch.SwipeDetector;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.SystemUiController;
 import com.android.launcher3.util.Themes;
+import com.android.launcher3.views.AbstractSlideInView;
 
 /**
  * Base class for various widgets popup
  */
-abstract class BaseWidgetSheet extends AbstractFloatingView
-        implements OnClickListener, OnLongClickListener, DragSource, SwipeDetector.Listener {
+abstract class BaseWidgetSheet extends AbstractSlideInView
+        implements OnClickListener, OnLongClickListener, DragSource {
 
 
-    protected static Property<BaseWidgetSheet, Float> TRANSLATION_SHIFT =
-            new Property<BaseWidgetSheet, Float>(Float.class, "translationShift") {
-
-                @Override
-                public Float get(BaseWidgetSheet view) {
-                    return view.mTranslationShift;
-                }
-
-                @Override
-                public void set(BaseWidgetSheet view, Float value) {
-                    view.setTranslationShift(value);
-                }
-            };
-    protected static final float TRANSLATION_SHIFT_CLOSED = 1f;
-    protected static final float TRANSLATION_SHIFT_OPENED = 0f;
-
     /* Touch handling related member variables. */
     private Toast mWidgetInstructionToast;
 
-    protected final Launcher mLauncher;
-    protected final SwipeDetector mSwipeDetector;
-    protected final ObjectAnimator mOpenCloseAnimator;
-
-    protected View mContent;
     protected GradientView mGradientView;
-    protected Interpolator mScrollInterpolator;
-
-    // range [0, 1], 0=> completely open, 1=> completely closed
-    protected float mTranslationShift = TRANSLATION_SHIFT_CLOSED;
-
-    protected boolean mNoIntercept;
 
     public BaseWidgetSheet(Context context, AttributeSet attrs, int defStyleAttr) {
         super(context, attrs, defStyleAttr);
-        mLauncher = Launcher.getLauncher(context);
-
-        mScrollInterpolator = Interpolators.SCROLL_CUBIC;
-        mSwipeDetector = new SwipeDetector(context, this, SwipeDetector.VERTICAL);
-
-        mOpenCloseAnimator = LauncherAnimUtils.ofPropertyValuesHolder(this);
-        mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
-            @Override
-            public void onAnimationEnd(Animator animation) {
-                mSwipeDetector.finishedScrolling();
-            }
-        });
     }
 
     @Override
@@ -130,9 +79,8 @@ abstract class BaseWidgetSheet extends AbstractFloatingView
     }
 
     protected void setTranslationShift(float translationShift) {
-        mTranslationShift = translationShift;
+        super.setTranslationShift(translationShift);
         mGradientView.setAlpha(1 - mTranslationShift);
-        mContent.setTranslationY(mTranslationShift * mContent.getHeight());
     }
 
     private boolean beginDraggingWidget(WidgetCell v) {
@@ -163,94 +111,8 @@ abstract class BaseWidgetSheet extends AbstractFloatingView
     public void onDropCompleted(View target, DragObject d, boolean success) { }
 
 
-    @Override
-    public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
-        if (ev.getAction() == MotionEvent.ACTION_UP && !mNoIntercept) {
-            // If we got ACTION_UP without ever returning true on intercept,
-            // the user never started dragging the bottom sheet.
-            if (!mLauncher.getDragLayer().isEventOverView(mContent, ev)) {
-                close(true);
-                return false;
-            }
-        }
-
-        if (mNoIntercept) {
-            return false;
-        }
-
-        int directionsToDetectScroll = mSwipeDetector.isIdleState() ?
-                SwipeDetector.DIRECTION_NEGATIVE : 0;
-        mSwipeDetector.setDetectableScrollConditions(
-                directionsToDetectScroll, false);
-        mSwipeDetector.onTouchEvent(ev);
-        return mSwipeDetector.isDraggingOrSettling();
-    }
-
-    @Override
-    public boolean onControllerTouchEvent(MotionEvent ev) {
-        return mSwipeDetector.onTouchEvent(ev);
-    }
-
-    /* SwipeDetector.Listener */
-
-    @Override
-    public void onDragStart(boolean start) { }
-
-    @Override
-    public boolean onDrag(float displacement, float velocity) {
-        float range = mContent.getHeight();
-        displacement = Utilities.boundToRange(displacement, 0, range);
-        setTranslationShift(displacement / range);
-        return true;
-    }
-
-    @Override
-    public void onDragEnd(float velocity, boolean fling) {
-        if ((fling && velocity > 0) || mTranslationShift > 0.5f) {
-            mScrollInterpolator = scrollInterpolatorForVelocity(velocity);
-            mOpenCloseAnimator.setDuration(SwipeDetector.calculateDuration(
-                    velocity, TRANSLATION_SHIFT_CLOSED - mTranslationShift));
-            close(true);
-        } else {
-            mOpenCloseAnimator.setValues(PropertyValuesHolder.ofFloat(
-                    TRANSLATION_SHIFT, TRANSLATION_SHIFT_OPENED));
-            mOpenCloseAnimator.setDuration(
-                    SwipeDetector.calculateDuration(velocity, mTranslationShift))
-                    .setInterpolator(Interpolators.DEACCEL);
-            mOpenCloseAnimator.start();
-        }
-    }
-
-    protected void handleClose(boolean animate, long defaultDuration) {
-        if (!mIsOpen || mOpenCloseAnimator.isRunning()) {
-            return;
-        }
-        if (animate) {
-            mOpenCloseAnimator.setValues(
-                    PropertyValuesHolder.ofFloat(TRANSLATION_SHIFT, TRANSLATION_SHIFT_CLOSED));
-            mOpenCloseAnimator.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    onCloseComplete();
-                }
-            });
-            if (mSwipeDetector.isIdleState()) {
-                mOpenCloseAnimator
-                        .setDuration(defaultDuration)
-                        .setInterpolator(Interpolators.ACCEL);
-            } else {
-                mOpenCloseAnimator.setInterpolator(mScrollInterpolator);
-            }
-            mOpenCloseAnimator.start();
-        } else {
-            setTranslationShift(TRANSLATION_SHIFT_CLOSED);
-            onCloseComplete();
-        }
-    }
-
     protected void onCloseComplete() {
-        mIsOpen = false;
-        mLauncher.getDragLayer().removeView(this);
+        super.onCloseComplete();
         mLauncher.getSystemUiController().updateUiState(
                 SystemUiController.UI_STATE_WIDGET_BOTTOM_SHEET, 0);
     }