Add more extra space to hotseat for taller devices.

Bug: 192520231
Test: manual test on taller devices
Change-Id: I3eccada67f0ba07d01f823c4156f02c3feb97f84

src/com/android/launcher3/DeviceProfile.java

@@ -89,6 +89,7 @@ public class DeviceProfile {
     private static final float MAX_HORIZONTAL_PADDING_PERCENT = 0.14f;
 
     private static final float TALL_DEVICE_ASPECT_RATIO_THRESHOLD = 2.0f;
+    private static final float TALLER_DEVICE_ASPECT_RATIO_THRESHOLD = 2.15f;
 
     // To evenly space the icons, increase the left/right margins for tablets in portrait mode.
     private static final int PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER = 4;
@@ -148,12 +149,13 @@ public class DeviceProfile {
     public int folderChildDrawablePaddingPx;
 
     // Hotseat
+    public int hotseatBarSizeExtraSpacePx;
     public final int numShownHotseatIcons;
     public int hotseatCellHeightPx;
     private final int hotseatExtraVerticalSize;
     // In portrait: size = height, in landscape: size = width
     public int hotseatBarSizePx;
-    public final int hotseatBarTopPaddingPx;
+    public int hotseatBarTopPaddingPx;
     public final int hotseatBarBottomPaddingPx;
     // Start is the side next to the nav bar, end is the side next to the workspace
     public final int hotseatBarSidePaddingStartPx;
@@ -322,6 +324,7 @@ public class DeviceProfile {
                 isTwoPanels ? inv.numDatabaseHotseatIcons : inv.numShownHotseatIcons;
         numShownAllAppsColumns =
                 isTwoPanels ? inv.numDatabaseAllAppsColumns : inv.numAllAppsColumns;
+        hotseatBarSizeExtraSpacePx = 0;
         hotseatBarTopPaddingPx =
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_top_padding);
         hotseatBarBottomPaddingPx = (isTallDevice ? 0
@@ -352,6 +355,7 @@ public class DeviceProfile {
 
         // Calculate all of the remaining variables.
         extraSpace = updateAvailableDimensions(res);
+
         // Now that we have all of the variables calculated, we can tune certain sizes.
         if (isScalableGrid && inv.devicePaddings != null) {
             // Paddings were created assuming no scaling, so we first unscale the extra space.
@@ -371,12 +375,25 @@ public class DeviceProfile {
             qsbBottomMarginPx = Math.round(qsbBottomMarginOriginalPx * cellScaleToFit);
         } else if (!isVerticalBarLayout() && isPhone && isTallDevice) {
             // We increase the hotseat size when there is extra space.
-            // ie. For a display with a large aspect ratio, we can keep the icons on the workspace
-            // in portrait mode closer together by adding more height to the hotseat.
-            // Note: This calculation was created after noticing a pattern in the design spec.
-            int extraSpace = getCellSize().y - iconSizePx - iconDrawablePaddingPx * 2
-                    - workspacePageIndicatorHeight;
-            hotseatBarSizePx += extraSpace;
+
+            if (Float.compare(aspectRatio, TALLER_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0) {
+                // For taller devices, we will take a third of the extra space from each row,
+                // and add it to the space above and below the hotseat.
+                int extraSpace = ((getCellSize().y - iconSizePx - iconDrawablePaddingPx * 2)
+                        * inv.numRows) / 3;
+
+                int halfExtraSpace = extraSpace / 2;
+                hotseatBarTopPaddingPx += halfExtraSpace;
+                hotseatBarSizeExtraSpacePx = halfExtraSpace;
+            } else {
+                // ie. For a display with a large aspect ratio, we can keep the icons on the
+                // workspace in portrait mode closer together by adding more height to the hotseat.
+                // Note: This calculation was created after noticing a pattern in the design spec.
+                hotseatBarSizeExtraSpacePx = getCellSize().y - iconSizePx
+                        - iconDrawablePaddingPx * 2 - workspacePageIndicatorHeight;
+            }
+
+            updateHotseatIconSize(iconSizePx);
 
             // Recalculate the available dimensions using the new hotseat size.
             updateAvailableDimensions(res);
@@ -400,7 +417,8 @@ public class DeviceProfile {
                     + hotseatBarSidePaddingEndPx;
         } else {
             hotseatBarSizePx = hotseatIconSizePx + hotseatBarTopPaddingPx
-                    + hotseatBarBottomPaddingPx + (isScalableGrid ? 0 : hotseatExtraVerticalSize);
+                    + hotseatBarBottomPaddingPx + (isScalableGrid ? 0 : hotseatExtraVerticalSize)
+                    + hotseatBarSizeExtraSpacePx;
         }
     }