Move PreviewBackground into its own class file.

This is done in preparation for new PreviewBackground animation
where we will be animating in the first page preview items when
closing the Folder from a non-first page.

Bug: 36022592
Bug: 35064148
Change-Id: Id4d54da16ddfa852ca639a2dc8d328307d4d443a

1 files changed, 7 insertions, 6 deletions

diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index d0d33a03d..d07e3303d 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -53,6 +53,7 @@ import com.android.launcher3.accessibility.WorkspaceAccessibilityHelper;
 import com.android.launcher3.anim.PropertyListBuilder;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.folder.FolderIcon;
+import com.android.launcher3.folder.PreviewBackground;
 import com.android.launcher3.graphics.DragPreviewProvider;
 import com.android.launcher3.util.CellAndSpan;
 import com.android.launcher3.util.GridOccupancy;
@@ -102,8 +103,8 @@ public class CellLayout extends ViewGroup implements BubbleTextShadowHandler {
     private OnTouchListener mInterceptTouchListener;
     private final StylusEventHelper mStylusEventHelper;
 
-    private final ArrayList<FolderIcon.PreviewBackground> mFolderBackgrounds = new ArrayList<>();
-    final FolderIcon.PreviewBackground mFolderLeaveBehind = new FolderIcon.PreviewBackground();
+    private final ArrayList<PreviewBackground> mFolderBackgrounds = new ArrayList<>();
+    final PreviewBackground mFolderLeaveBehind = new PreviewBackground();
 
     private float mBackgroundAlpha;
 
@@ -495,7 +496,7 @@ public class CellLayout extends ViewGroup implements BubbleTextShadowHandler {
         }
 
         for (int i = 0; i < mFolderBackgrounds.size(); i++) {
-            FolderIcon.PreviewBackground bg = mFolderBackgrounds.get(i);
+            PreviewBackground bg = mFolderBackgrounds.get(i);
             cellToPoint(bg.delegateCellX, bg.delegateCellY, mTempLocation);
             canvas.save();
             canvas.translate(mTempLocation[0], mTempLocation[1]);
@@ -521,7 +522,7 @@ public class CellLayout extends ViewGroup implements BubbleTextShadowHandler {
         super.dispatchDraw(canvas);
 
         for (int i = 0; i < mFolderBackgrounds.size(); i++) {
-            FolderIcon.PreviewBackground bg = mFolderBackgrounds.get(i);
+            PreviewBackground bg = mFolderBackgrounds.get(i);
             if (bg.isClipping) {
                 cellToPoint(bg.delegateCellX, bg.delegateCellY, mTempLocation);
                 canvas.save();
@@ -532,10 +533,10 @@ public class CellLayout extends ViewGroup implements BubbleTextShadowHandler {
         }
     }
 
-    public void addFolderBackground(FolderIcon.PreviewBackground bg) {
+    public void addFolderBackground(PreviewBackground bg) {
         mFolderBackgrounds.add(bg);
     }
-    public void removeFolderBackground(FolderIcon.PreviewBackground bg) {
+    public void removeFolderBackground(PreviewBackground bg) {
         mFolderBackgrounds.remove(bg);
     }