fix(hud): skip relayout when size is unchanged and cap graph redraws

app/src/main/java/com/droiddeck/launcher/hud/DroidDeckHudView.kt

@@ -274,9 +274,15 @@ class DroidDeckHudView(context: Context) : View(context) {
             seenFpsUpdates = updates
             periodDone.trySend(Unit)
         }
-        if (graphRect != null) invalidate()
+        if (graphRect == null) return
+        val now = SystemClock.uptimeMillis()
+        if (now - lastGraphDrawMs < GRAPH_REDRAW_MS) return
+        lastGraphDrawMs = now
+        invalidate()
     }
 
+    private var lastGraphDrawMs = 0L
+
     private fun cycleSize() {
         size = size.next()
         onSizeCycledListener?.accept(size.token)
@@ -423,8 +429,10 @@ class DroidDeckHudView(context: Context) : View(context) {
     )
 
     private fun rebuildAndInvalidate() {
+        val wasStrip = stripRect != null
+        val oldW = contentW; val oldH = contentH
         rebuild()
-        requestLayout()
+        if (oldW != contentW || oldH != contentH || wasStrip != (stripRect != null)) requestLayout()
         invalidate()
     }
 
@@ -1499,6 +1507,7 @@ class DroidDeckHudView(context: Context) : View(context) {
         const val TAB_PAD_X_SP = 7f
         const val TAB_PAD_Y_SP = 5.5f
         const val REFRESH_MS = 500L
+        const val GRAPH_REDRAW_MS = 33L
         private const val HUE_IDLE_MS = 500L
         const val MIN_SCALE = 0.5f
         const val MAX_SCALE = 2f