feat: lock subsequent interactions while interacting

examples/paper/src/main/java/me/devnatan/inventoryframework/runtime/SamplePlugin.java

@@ -17,6 +17,7 @@ public void onEnable() {
         ViewFrame viewFrame = ViewFrame.create(this)
                 .install(AnvilInputFeature.AnvilInput)
                 .with(new AnvilInputSample(), new Failing(), new SimplePagination(), new AutoUpdate())
+                .enableDebug()
                 .register();
 
         getCommand("ifexample").setExecutor(new IFExampleCommandExecutor(viewFrame));

inventory-framework-api/src/main/java/me/devnatan/inventoryframework/Viewer.java

@@ -101,6 +101,20 @@ public interface Viewer {
     @ApiStatus.Internal
     void setSwitching(boolean switching);
 
+    /**
+     * <b><i> This is an internal inventory-framework API that should not be used from outside of
+     * this library. No compatibility guarantees are provided. </i></b>
+     */
+    @ApiStatus.Internal
+    boolean isInteractionsLocked();
+
+    /**
+     * <b><i> This is an internal inventory-framework API that should not be used from outside of
+     * this library. No compatibility guarantees are provided. </i></b>
+     */
+    @ApiStatus.Internal
+    void setInteractionsLocked(boolean interactionsLocked);
+
     /**
      * <b><i> This is an internal inventory-framework API that should not be used from outside of
      * this library. No compatibility guarantees are provided. </i></b>

inventory-framework-api/src/main/java/me/devnatan/inventoryframework/pipeline/Pipeline.java

@@ -7,6 +7,7 @@
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
+import me.devnatan.inventoryframework.IFDebug;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.TestOnly;
 
@@ -115,6 +116,7 @@ public void execute(S subject) {
     public void execute(PipelinePhase phase, S subject) {
         final PipelineContext<S> context =
                 new PipelineContext<>(phase, interceptors.getOrDefault(phase, Collections.emptyList()));
+        IFDebug.debug("Pipeline call: %s", phase.getName());
         context.execute(subject);
     }
 }

inventory-framework-api/src/main/java/me/devnatan/inventoryframework/pipeline/PipelineContext.java

@@ -1,6 +1,7 @@
 package me.devnatan.inventoryframework.pipeline;
 
 import java.util.List;
+import me.devnatan.inventoryframework.IFDebug;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.VisibleForTesting;
 
@@ -40,6 +41,9 @@ private void loop() {
             final PipelineInterceptor<S> nextInterceptor = safeInterceptors.get(pointer);
             index = pointer + 1;
 
+            IFDebug.debug(
+                    "Interception loop #%d: %s",
+                    index, nextInterceptor.getClass().getName());
             nextInterceptor.intercept(this, subject);
         } while (true);
     }

inventory-framework-core/src/main/java/me/devnatan/inventoryframework/context/AbstractIFContext.java

@@ -109,7 +109,8 @@ public void removeComponent(@NotNull Component component) {
 
     private IFSlotRenderContext createSlotRenderContext(@NotNull Component component, boolean force) {
         if (!(this instanceof IFRenderContext))
-            throw new InventoryFrameworkException("Slot render context cannot be created from non-render parent");
+            throw new InventoryFrameworkException("Slot render context cannot be created from non-render parent: "
+                    + getClass().getName());
 
         final IFRenderContext renderContext = (IFRenderContext) this;
         final IFSlotRenderContext slotRender = getRoot()

inventory-framework-platform-bukkit/src/main/java/me/devnatan/inventoryframework/BukkitViewer.java

@@ -14,7 +14,7 @@ public final class BukkitViewer implements Viewer {
     private IFRenderContext activeContext;
     private Deque<IFRenderContext> previousContexts = new LinkedList<>();
     private long lastInteractionInMillis;
-    private boolean switching;
+    private boolean switching, interactionsLocked;
 
     public BukkitViewer(@NotNull Player player, IFRenderContext activeContext) {
         this.player = player;
@@ -97,6 +97,16 @@ public void setSwitching(boolean switching) {
         this.switching = switching;
     }
 
+    @Override
+    public boolean isInteractionsLocked() {
+        return interactionsLocked || isBlockedByInteractionDelay();
+    }
+
+    @Override
+    public void setInteractionsLocked(boolean interactionsLocked) {
+        this.interactionsLocked = interactionsLocked;
+    }
+
     @Override
     public IFRenderContext getPreviousContext() {
         return previousContexts.peekLast();

inventory-framework-platform-bukkit/src/main/java/me/devnatan/inventoryframework/IFInventoryListener.java

@@ -41,6 +41,14 @@ public void onInventoryClick(final InventoryClickEvent event) {
         final Viewer viewer = viewFrame.getViewer(player);
         if (viewer == null) return;
 
+        if (viewer.isInteractionsLocked()) {
+            IFDebug.debug("Interaction locked at listener level %s", player.getName());
+            event.setCancelled(true);
+            return;
+        }
+
+        viewer.setInteractionsLocked(true);
+
         final IFRenderContext context = viewer.getActiveContext();
         final Component clickedComponent = context.getComponentsAt(event.getRawSlot()).stream()
                 .filter(Component::isVisible)
@@ -55,6 +63,8 @@ public void onInventoryClick(final InventoryClickEvent event) {
                 .createSlotClickContext(event.getRawSlot(), viewer, clickedContainer, clickedComponent, event, false);
 
         root.getPipeline().execute(StandardPipelinePhases.CLICK, clickContext);
+
+        viewer.setInteractionsLocked(false);
     }
 
     @SuppressWarnings("unused")
@@ -68,11 +78,15 @@ public void onInventoryClose(final InventoryCloseEvent event) {
         final Viewer viewer = viewFrame.getViewer(player);
         if (viewer == null) return;
 
+        viewer.setInteractionsLocked(true);
+
         final IFRenderContext context = viewer.getCurrentContext();
         final RootView root = context.getRoot();
         final IFCloseContext closeContext = root.getElementFactory().createCloseContext(viewer, context);
 
         root.getPipeline().execute(StandardPipelinePhases.CLOSE, closeContext);
+
+        viewer.setInteractionsLocked(false);
     }
 
     @SuppressWarnings("deprecation")

inventory-framework-platform-bukkit/src/main/java/me/devnatan/inventoryframework/pipeline/GlobalClickInterceptor.java

@@ -2,6 +2,7 @@
 
 import static me.devnatan.inventoryframework.ViewConfig.CANCEL_ON_CLICK;
 
+import me.devnatan.inventoryframework.IFDebug;
 import me.devnatan.inventoryframework.VirtualView;
 import me.devnatan.inventoryframework.context.SlotClickContext;
 import org.bukkit.event.inventory.InventoryClickEvent;
@@ -15,7 +16,10 @@ public final class GlobalClickInterceptor implements PipelineInterceptor<Virtual
 
     @Override
     public void intercept(@NotNull PipelineContext<VirtualView> pipeline, @NotNull VirtualView subject) {
-        if (!(subject instanceof SlotClickContext)) return;
+        if (!(subject instanceof SlotClickContext)) {
+            IFDebug.debug("Cannot handle global click: not a SlotClickContext");
+            return;
+        }
 
         final SlotClickContext context = (SlotClickContext) subject;
         final InventoryClickEvent event = context.getClickOrigin();

inventory-framework-platform-minestom/src/main/kotlin/me/devnatan/inventoryframework/MinestomViewer.kt

@@ -14,6 +14,7 @@ class MinestomViewer(
     private val previousContexts: Deque<IFRenderContext> = LinkedList()
     private var lastInteractionInMillis: Long = 0
     private var switching = false
+    private var interactionsLocked = false
 
     override fun getCurrentContext(): IFRenderContext =
         if (isSwitching()) {
@@ -71,6 +72,12 @@ class MinestomViewer(
         this.switching = switching
     }
 
+    override fun isInteractionsLocked(): Boolean = interactionsLocked || isBlockedByInteractionDelay
+
+    override fun setInteractionsLocked(interactionsLocked: Boolean) {
+        this.interactionsLocked = interactionsLocked
+    }
+
     override fun getPreviousContext(): IFRenderContext? = previousContexts.peekLast()
 
     override fun setPreviousContext(previousContext: IFRenderContext) {