am 8dfe2da6: Adding some spacing between overview panel items

* commit '8dfe2da6985d38f23fd3426101574c093f509907':
  Adding some spacing between overview panel items

1 files changed, 31 insertions, 7 deletions

diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index b2366bb2b..bd7a7726a 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -33,6 +33,7 @@ import android.view.Surface;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
+import android.view.ViewGroup.MarginLayoutParams;
 import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.LinearLayout;
@@ -703,11 +704,6 @@ public class DeviceProfile {
         return visibleChildren;
     }
 
-    int calculateOverviewModeWidth(int visibleChildCount) {
-        return visibleChildCount * overviewModeBarItemWidthPx +
-                (visibleChildCount-1) * overviewModeBarSpacerWidthPx;
-    }
-
     public void layout(Launcher launcher) {
         FrameLayout.LayoutParams lp;
         Resources res = launcher.getResources();
@@ -872,10 +868,38 @@ public class DeviceProfile {
             Rect r = getOverviewModeButtonBarRect();
             lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
             lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
-            lp.width = Math.min(availableWidthPx,
-                    calculateOverviewModeWidth(getVisibleChildCount(overviewMode)));
+
+            int visibleChildCount = getVisibleChildCount(overviewMode);
+            int totalItemWidth = visibleChildCount * overviewModeBarItemWidthPx;
+            int maxWidth = totalItemWidth + (visibleChildCount-1) * overviewModeBarSpacerWidthPx;
+
+            lp.width = Math.min(availableWidthPx, maxWidth);
             lp.height = r.height();
             overviewMode.setLayoutParams(lp);
+
+            if (lp.width > totalItemWidth && visibleChildCount > 1) {
+                // We have enough space. Lets add some margin too.
+                int margin = (lp.width - totalItemWidth) / (visibleChildCount-1);
+                View lastChild = null;
+
+                // Set margin of all visible children except the last visible child
+                for (int i = 0; i < visibleChildCount; i++) {
+                    if (lastChild != null) {
+                        MarginLayoutParams clp = (MarginLayoutParams) lastChild.getLayoutParams();
+                        if (isLayoutRtl) {
+                            clp.leftMargin = margin;
+                        } else {
+                            clp.rightMargin = margin;
+                        }
+                        lastChild.setLayoutParams(clp);
+                        lastChild = null;
+                    }
+                    View thisChild = overviewMode.getChildAt(i);
+                    if (thisChild.getVisibility() != View.GONE) {
+                        lastChild = thisChild;
+                    }
+                }
+            }
         }
     }
 }