Merge "Make folder stack more vertical for LMP preview" into ub-now-nova

src/com/android/launcher3/FolderIcon.java

@@ -73,6 +73,8 @@ public class FolderIcon extends FrameLayout implements FolderListener {
     // The amount of vertical spread between items in the stack [0...1]
     private static final float PERSPECTIVE_SHIFT_FACTOR = 0.24f;
 
+    private static final float PERSPECTIVE_SHIFT_FACTOR_L = 0.18f;
+
     // Flag as to whether or not to draw an outer ring. Currently none is designed.
     public static final boolean HAS_OUTER_RING = true;
 
@@ -501,10 +503,16 @@ public class FolderIcon extends FrameLayout implements FolderListener {
             int adjustedAvailableSpace = (int) ((mAvailableSpaceInPreview / 2) * (1 + 0.8f));
 
             int unscaledHeight = (int) (mIntrinsicIconSize * (1 + PERSPECTIVE_SHIFT_FACTOR));
+            if (Utilities.isLmp()) {
+                unscaledHeight = (int) (mIntrinsicIconSize * (1 + PERSPECTIVE_SHIFT_FACTOR_L));
+            }
             mBaselineIconScale = (1.0f * adjustedAvailableSpace / unscaledHeight);
 
             mBaselineIconSize = (int) (mIntrinsicIconSize * mBaselineIconScale);
             mMaxPerspectiveShift = mBaselineIconSize * PERSPECTIVE_SHIFT_FACTOR;
+            if (Utilities.isLmp()) {
+                mMaxPerspectiveShift = mBaselineIconSize * PERSPECTIVE_SHIFT_FACTOR_L;
+            }
 
             mPreviewOffsetX = (mTotalWidth - mAvailableSpaceInPreview) / 2;
             mPreviewOffsetY = previewPadding + grid.folderBackgroundOffset;
@@ -559,6 +567,10 @@ public class FolderIcon extends FrameLayout implements FolderListener {
         float totalScale = mBaselineIconScale * scale;
         final int overlayAlpha = (int) (80 * (1 - r));
 
+        if (Utilities.isLmp()) {
+            transX = (mAvailableSpaceInPreview - scaledSize) / 2;
+        }
+
         if (params == null) {
             params = new PreviewItemDrawingParams(transX, transY, totalScale, overlayAlpha);
         } else {