refactor: Move footer to its own component (#5609)

src/components/Actions.tsx

@@ -26,6 +26,8 @@ import { ToolButton } from "./ToolButton";
 import { hasStrokeColor } from "../scene/comparisons";
 import { trackEvent } from "../analytics";
 import { hasBoundTextElement, isBoundToContainer } from "../element/typeChecks";
+import clsx from "clsx";
+import { actionToggleZenMode } from "../actions";
 
 export const SelectedShapeActions = ({
   appState,
@@ -269,3 +271,45 @@ export const ZoomActions = ({
     </Stack.Row>
   </Stack.Col>
 );
+
+export const UndoRedoActions = ({
+  renderAction,
+  className,
+}: {
+  renderAction: ActionManager["renderAction"];
+  className?: string;
+}) => (
+  <div className={`undo-redo-buttons ${className}`}>
+    {renderAction("undo", { size: "small" })}
+    {renderAction("redo", { size: "small" })}
+  </div>
+);
+
+export const ExitZenModeAction = ({
+  executeAction,
+  showExitZenModeBtn,
+}: {
+  executeAction: ActionManager["executeAction"];
+  showExitZenModeBtn: boolean;
+}) => (
+  <button
+    className={clsx("disable-zen-mode", {
+      "disable-zen-mode--visible": showExitZenModeBtn,
+    })}
+    onClick={() => executeAction(actionToggleZenMode)}
+  >
+    {t("buttons.exitZenMode")}
+  </button>
+);
+
+export const FinalizeAction = ({
+  renderAction,
+  className,
+}: {
+  renderAction: ActionManager["renderAction"];
+  className?: string;
+}) => (
+  <div className={`finalize-button ${className}`}>
+    {renderAction("finalize", { size: "small" })}
+  </div>
+);

src/components/Footer.tsx

@@ -0,0 +1,99 @@
+import clsx from "clsx";
+import { ActionManager } from "../actions/manager";
+import { AppState, ExcalidrawProps } from "../types";
+import {
+  ExitZenModeAction,
+  FinalizeAction,
+  UndoRedoActions,
+  ZoomActions,
+} from "./Actions";
+import { useDevice } from "./App";
+import { Island } from "./Island";
+import { Section } from "./Section";
+import Stack from "./Stack";
+
+const Footer = ({
+  appState,
+  actionManager,
+  renderCustomFooter,
+  showExitZenModeBtn,
+}: {
+  appState: AppState;
+  actionManager: ActionManager;
+  renderCustomFooter?: ExcalidrawProps["renderFooter"];
+  showExitZenModeBtn: boolean;
+}) => {
+  const device = useDevice();
+  const showFinalize =
+    !appState.viewModeEnabled && appState.multiElement && device.isTouchScreen;
+  return (
+    <footer
+      role="contentinfo"
+      className="layer-ui__wrapper__footer App-menu App-menu_bottom"
+    >
+      <div
+        className={clsx("layer-ui__wrapper__footer-left zen-mode-transition", {
+          "layer-ui__wrapper__footer-left--transition-left":
+            appState.zenModeEnabled,
+        })}
+      >
+        <Stack.Col gap={2}>
+          <Section heading="canvasActions">
+            <Island padding={1}>
+              <ZoomActions
+                renderAction={actionManager.renderAction}
+                zoom={appState.zoom}
+              />
+            </Island>
+            {!appState.viewModeEnabled && (
+              <>
+                <UndoRedoActions
+                  renderAction={actionManager.renderAction}
+                  className={clsx("zen-mode-transition", {
+                    "layer-ui__wrapper__footer-left--transition-bottom":
+                      appState.zenModeEnabled,
+                  })}
+                />
+
+                <div
+                  className={clsx("eraser-buttons zen-mode-transition", {
+                    "layer-ui__wrapper__footer-left--transition-left":
+                      appState.zenModeEnabled,
+                  })}
+                >
+                  {actionManager.renderAction("eraser", { size: "small" })}
+                </div>
+              </>
+            )}
+            {showFinalize && (
+              <FinalizeAction
+                renderAction={actionManager.renderAction}
+                className={clsx("zen-mode-transition", {
+                  "layer-ui__wrapper__footer-left--transition-left":
+                    appState.zenModeEnabled,
+                })}
+              />
+            )}
+          </Section>
+        </Stack.Col>
+      </div>
+      <div
+        className={clsx(
+          "layer-ui__wrapper__footer-center zen-mode-transition",
+          {
+            "layer-ui__wrapper__footer-left--transition-bottom":
+              appState.zenModeEnabled,
+          },
+        )}
+      >
+        {renderCustomFooter?.(false, appState)}
+      </div>
+      <ExitZenModeAction
+        executeAction={actionManager.executeAction}
+        showExitZenModeBtn={showExitZenModeBtn}
+      />
+    </footer>
+  );
+};
+
+export default Footer;

src/components/LayerUI.tsx

@@ -10,7 +10,7 @@ import { calculateScrollCenter, getSelectedElements } from "../scene";
 import { ExportType } from "../scene/types";
 import { AppProps, AppState, ExcalidrawProps, BinaryFiles } from "../types";
 import { muteFSAbortError } from "../utils";
-import { SelectedShapeActions, ShapesSwitcher, ZoomActions } from "./Actions";
+import { SelectedShapeActions, ShapesSwitcher } from "./Actions";
 import { BackgroundPickerAndDarkModeToggle } from "./BackgroundPickerAndDarkModeToggle";
 import CollabButton from "./CollabButton";
 import { ErrorDialog } from "./ErrorDialog";
@@ -39,7 +39,7 @@ import { trackEvent } from "../analytics";
 import { useDevice } from "../components/App";
 import { Stats } from "./Stats";
 import { actionToggleStats } from "../actions/actionToggleStats";
-import { actionToggleZenMode } from "../actions";
+import Footer from "./Footer";
 
 interface LayerUIProps {
   actionManager: ActionManager;
@@ -381,99 +381,6 @@ const LayerUI = ({
     );
   };
 
-  const renderBottomAppMenu = () => {
-    return (
-      <footer
-        role="contentinfo"
-        className="layer-ui__wrapper__footer App-menu App-menu_bottom"
-      >
-        <div
-          className={clsx(
-            "layer-ui__wrapper__footer-left zen-mode-transition",
-            {
-              "layer-ui__wrapper__footer-left--transition-left":
-                appState.zenModeEnabled,
-            },
-          )}
-        >
-          <Stack.Col gap={2}>
-            <Section heading="canvasActions">
-              <Island padding={1}>
-                <ZoomActions
-                  renderAction={actionManager.renderAction}
-                  zoom={appState.zoom}
-                />
-              </Island>
-              {!appState.viewModeEnabled && (
-                <>
-                  <div
-                    className={clsx("undo-redo-buttons zen-mode-transition", {
-                      "layer-ui__wrapper__footer-left--transition-bottom":
-                        appState.zenModeEnabled,
-                    })}
-                  >
-                    {actionManager.renderAction("undo", { size: "small" })}
-                    {actionManager.renderAction("redo", { size: "small" })}
-                  </div>
-
-                  <div
-                    className={clsx("eraser-buttons zen-mode-transition", {
-                      "layer-ui__wrapper__footer-left--transition-left":
-                        appState.zenModeEnabled,
-                    })}
-                  >
-                    {actionManager.renderAction("eraser", { size: "small" })}
-                  </div>
-                </>
-              )}
-              {!appState.viewModeEnabled &&
-                appState.multiElement &&
-                device.isTouchScreen && (
-                  <div
-                    className={clsx("finalize-button zen-mode-transition", {
-                      "layer-ui__wrapper__footer-left--transition-left":
-                        appState.zenModeEnabled,
-                    })}
-                  >
-                    {actionManager.renderAction("finalize", { size: "small" })}
-                  </div>
-                )}
-            </Section>
-          </Stack.Col>
-        </div>
-        <div
-          className={clsx(
-            "layer-ui__wrapper__footer-center zen-mode-transition",
-            {
-              "layer-ui__wrapper__footer-left--transition-bottom":
-                appState.zenModeEnabled,
-            },
-          )}
-        >
-          {renderCustomFooter?.(false, appState)}
-        </div>
-        <div
-          className={clsx(
-            "layer-ui__wrapper__footer-right zen-mode-transition",
-            {
-              "transition-right disable-pointerEvents": appState.zenModeEnabled,
-            },
-          )}
-        >
-          {actionManager.renderAction("toggleShortcuts")}
-        </div>
-        <button
-          className={clsx("disable-zen-mode", {
-            "disable-zen-mode--visible": showExitZenModeBtn,
-          })}
-          onClick={() => actionManager.executeAction(actionToggleZenMode)}
-        >
-          {t("buttons.exitZenMode")}
-        </button>
-      </footer>
-    );
-  };
-
   const dialogs = (
     <>
       {appState.isLoading && <LoadingMessage delay={250} />}
@@ -565,7 +472,12 @@ const LayerUI = ({
       >
         {dialogs}
         {renderFixedSideContainer()}
-        {renderBottomAppMenu()}
+        <Footer
+          appState={appState}
+          actionManager={actionManager}
+          renderCustomFooter={renderCustomFooter}
+          showExitZenModeBtn={showExitZenModeBtn}
+        />
         {renderStats()}
         {appState.scrolledOutside && (
           <button