memoize images

src/components/ProjectDropDown/ProjectDropDown.js

@@ -1,4 +1,4 @@
-import React, { useEffect, useMemo, useRef, useState } from "react";
+import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import {
   FlatList,
   Image,
@@ -66,30 +66,36 @@ const ProjectDropDown = ({
       })
     : normalizedProjects;
 
-  const toggleDropdown = () => {
+  const toggleDropdown = useCallback(() => {
     if (isDisabled) {
       return;
     }
     setIsOpen((prev) => !prev);
-  };
+  }, [isDisabled]);
 
-  const closeDropdown = () => setIsOpen(false);
+  const closeDropdown = useCallback(() => setIsOpen(false), []);
 
-  const handleSelect = (project) => {
-    if (!project?.id) return;
-    onSelectProject?.(project);
-    closeDropdown();
-  };
+  const handleSelect = useCallback(
+    (project) => {
+      if (!project?.id) return;
+      onSelectProject?.(project);
+      closeDropdown();
+    },
+    [closeDropdown, onSelectProject],
+  );
 
-  const handleModify = (project, topPosition) => {
-    if (!project?.id) return;
-    onModifyProject?.(project, topPosition);
-  };
+  const handleModify = useCallback(
+    (project, topPosition) => {
+      if (!project?.id) return;
+      onModifyProject?.(project, topPosition);
+    },
+    [onModifyProject],
+  );
 
-  const handleCreate = () => {
+  const handleCreate = useCallback(() => {
     onCreateProject?.();
     closeDropdown();
-  };
+  }, [closeDropdown, onCreateProject]);
 
   const dropdownWidth = useMemo(
     () => triggerLayout?.width || 0,
@@ -124,35 +130,26 @@ const ProjectDropDown = ({
           />
         </BlurView>
 
-        {isOpen && (
-          <BlurView
-            intensity={BUTTON_BLUR_INTENSITY}
-            tint="dark"
-            style={{
-              position: "absolute",
-              top: 0,
-              left: 0,
-              borderRadius: 16,
-              paddingHorizontal: 8,
-              paddingVertical: 8,
-              gap: 9,
-              maxHeight: 400,
-              zIndex: 4,
-              elevation: 4,
-              width: dropdownWidth || "100%",
-              overflow: "hidden",
-            }}
-          >
-            <ProjectRow
-              isTitle={true}
-              isOpen={isOpen}
-              project={currentProject}
-              formatDate={formatDate}
-              onSelect={toggleDropdown}
-            />
+        <BlurView
+          intensity={BUTTON_BLUR_INTENSITY}
+          tint="dark"
+          pointerEvents={isOpen ? "auto" : "none"}
+          style={[
+            styles.dropdownOverlay,
+            { width: dropdownWidth || "100%" },
+            !isOpen && styles.dropdownOverlayHidden,
+          ]}
+        >
+          <ProjectRow
+            isTitle={true}
+            isOpen={isOpen}
+            project={currentProject}
+            formatDate={formatDate}
+            onSelect={toggleDropdown}
+          />
 
-            <View style={styles.dropdownOverlayContent}>
-              <FlatList
+          <View style={styles.dropdownOverlayContent}>
+            <FlatList
                 data={dropdownProjects}
                 keyExtractor={(project, index) =>
                   project?.id || project?.title || `project-${index}`
@@ -171,14 +168,13 @@ const ProjectDropDown = ({
                 contentContainerStyle={styles.dropdownListContent}
                 style={styles.dropdownList}
               />
-              <GradientButton
-                containerStyle={styles.createButtonContainer}
-                title="Commencer à créer"
-                onPress={handleCreate}
-              />
-            </View>
-          </BlurView>
-        )}
+            <GradientButton
+              containerStyle={styles.createButtonContainer}
+              title="Commencer à créer"
+              onPress={handleCreate}
+            />
+          </View>
+        </BlurView>
       </View>
     </View>
   );
@@ -227,6 +223,10 @@ const ProjectRow = ({
     project?.coverUrl ||
     project?.coverUri ||
     (typeof project?.cover === "string" ? project.cover : project?.cover?.uri);
+  const imageSource = useMemo(
+    () => (coverUri ? { uri: coverUri } : img.placeholder),
+    [coverUri],
+  );
   const title =
     project?.title || (isEmptyProject ? "Nouvelle musique" : "Sans titre");
   const formattedDate = !isEmptyProject
@@ -245,10 +245,7 @@ const ProjectRow = ({
       onLayout={(event) => setLayout(event.nativeEvent.layout)}
       style={styles.projectRowPressable}
     >
-      <Image
-        source={coverUri ? { uri: coverUri } : img.placeholder}
-        style={styles.projectImage}
-      />
+      <Image source={imageSource} style={styles.projectImage} />
       <BlurView tint="dark" style={styles.projectInfo}>
         <View style={styles.projectTexts}>
           <Text style={styles.projectTitle} numberOfLines={1}>
@@ -306,6 +303,22 @@ const styles = StyleSheet.create({
     position: "relative",
     zIndex: 3,
   },
+  dropdownOverlay: {
+    position: "absolute",
+    top: 0,
+    left: 0,
+    borderRadius: 16,
+    paddingHorizontal: 8,
+    paddingVertical: 8,
+    gap: 9,
+    maxHeight: 400,
+    zIndex: 4,
+    elevation: 4,
+    overflow: "hidden",
+  },
+  dropdownOverlayHidden: {
+    opacity: 0,
+  },
   dropdownOverlayContent: {
     maxHeight: 260,
     width: "100%",