Updating the scrim and landscpae ui

> Instead of views, using a custom class to draw the color scrims
> All-apps has full screen UI
> Quickstep does not have search box in landscape

Bug: 73085356
Change-Id: I360a78a2ade0134daad29fe712796cd39a381fbb

src/com/android/launcher3/dragndrop/DragLayer.java

diff --git a/src/com/android/launcher3/dragndrop/DragLayer.java b/src/com/android/launcher3/dragndrop/DragLayer.java
index 1cf407e..7e3335a 100644
--- a/src/com/android/launcher3/dragndrop/DragLayer.java
+++ b/src/com/android/launcher3/dragndrop/DragLayer.java
@@ -27,7 +27,6 @@
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -50,6 +49,7 @@
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.folder.Folder;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.graphics.ViewScrim;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.uioverrides.UiFactory;
 import com.android.launcher3.util.Thunk;
@@ -88,7 +88,6 @@
 
     // Related to adjacent page hints
     private final ViewGroupFocusHelper mFocusIndicatorHelper;
-    private final PageCutOutScrimDrawable mPageCutOutScrim;
 
     protected TouchController[] mControllers;
     private TouchController mActiveController;
@@ -106,8 +105,6 @@
         setChildrenDrawingOrderEnabled(true);
 
         mFocusIndicatorHelper = new ViewGroupFocusHelper(this);
-        mPageCutOutScrim = new PageCutOutScrimDrawable(this);
-        mPageCutOutScrim.setCallback(this);
     }
 
     public void setup(Launcher launcher, DragController dragController) {
@@ -125,11 +122,6 @@
         return mDragController.dispatchKeyEvent(event) || super.dispatchKeyEvent(event);
     }
 
-    @Override
-    protected boolean verifyDrawable(Drawable who) {
-        return super.verifyDrawable(who) || who == mPageCutOutScrim;
-    }
-
     public boolean isEventOverHotseat(MotionEvent ev) {
         return isEventOverView(mLauncher.getHotseat(), ev);
     }
@@ -148,6 +140,15 @@
     }
 
     @Override
+    protected boolean drawChild(Canvas canvas, View child, long drawingTime) {
+        ViewScrim scrim = ViewScrim.get(child);
+        if (scrim != null) {
+            scrim.draw(canvas, getWidth(), getHeight());
+        }
+        return super.drawChild(canvas, child, drawingTime);
+    }
+
+    @Override
     public boolean onInterceptTouchEvent(MotionEvent ev) {
         int action = ev.getAction();
 
@@ -536,11 +537,7 @@
         final int fromX = r.left;
         final int fromY = r.top;
         child.setVisibility(INVISIBLE);
-        Runnable onCompleteRunnable = new Runnable() {
-            public void run() {
-                child.setVisibility(VISIBLE);
-            }
-        };
+        Runnable onCompleteRunnable = () -> child.setVisibility(VISIBLE);
         animateViewIntoPosition(dragView, fromX, fromY, toX, toY, 1, 1, 1, toScale, toScale,
                 onCompleteRunnable, ANIMATION_END_DISAPPEAR, duration, anchorView);
     }
@@ -758,20 +755,9 @@
         }
     }
 
-    public void invalidateScrim() {
-        if (mPageCutOutScrim.getAlpha() > 0) {
-            invalidate();
-        }
-    }
-
-    public Drawable getScrim() {
-        return mPageCutOutScrim;
-    }
-
     @Override
     protected void dispatchDraw(Canvas canvas) {
         // Draw the background below children.
-        mPageCutOutScrim.draw(canvas);
         mFocusIndicatorHelper.draw(canvas);
         super.dispatchDraw(canvas);
     }