From 20521b5b3feb2554a028a13e1071df4d587b6d7a Mon Sep 17 00:00:00 2001
From: Jared Vu <jaredvu@gmail.com>
Date: Mon, 20 Nov 2023 18:12:38 -0500
Subject: [PATCH] Add button to stack/unstack Toast notifications (#149)

* Add button to stack/unstack

* Button -> Toggle button, add offset for notifs
---
 src/components/Toast.tsx              |  3 +-
 src/components/ToastArea.tsx          |  7 ++-
 src/layout/NotificationsToastArea.tsx | 90 ++++++++++++++++++++++-----
 3 files changed, 81 insertions(+), 19 deletions(-)

diff --git a/src/components/Toast.tsx b/src/components/Toast.tsx
index 0afbeed..6a2f3da 100644
--- a/src/components/Toast.tsx
+++ b/src/components/Toast.tsx
@@ -76,7 +76,7 @@ export const Toast = ({
       <Close asChild>
         <$CloseButton
           iconName={IconName.Close}
-          shape={ButtonShape.Square}
+          shape={ButtonShape.Circle}
           size={ButtonSize.XSmall}
           onClick={(e: MouseEvent) => e.stopPropagation()}
         />
@@ -249,7 +249,6 @@ const $CloseButton = styled(IconButton)`
   right: 0;
 
   border: solid var(--border-width) var(--color-border);
-  border-radius: 50%;
 
   ${$Root}:hover & {
     display: block;
diff --git a/src/components/ToastArea.tsx b/src/components/ToastArea.tsx
index 5f552a9..0457db9 100644
--- a/src/components/ToastArea.tsx
+++ b/src/components/ToastArea.tsx
@@ -1,6 +1,7 @@
+import styled from 'styled-components';
+
 import { Provider, Viewport } from '@radix-ui/react-toast';
 
-import styled from 'styled-components';
 import { layoutMixins } from '@/styles/layoutMixins';
 
 type ElementProps = {
@@ -12,7 +13,9 @@ type StyleProps = {
   className?: string;
 };
 
-export const ToastArea = ({ swipeDirection, children, className }: ElementProps & StyleProps) => (
+type ToastAreaProps = ElementProps & StyleProps;
+
+export const ToastArea = ({ swipeDirection, children, className }: ToastAreaProps) => (
   <$ToastArea className={className}>
     <Provider swipeDirection={swipeDirection}>
       {children}
diff --git a/src/layout/NotificationsToastArea.tsx b/src/layout/NotificationsToastArea.tsx
index b48c69e..93b18f3 100644
--- a/src/layout/NotificationsToastArea.tsx
+++ b/src/layout/NotificationsToastArea.tsx
@@ -1,15 +1,17 @@
-import { useMemo } from 'react';
+import { useMemo, useState } from 'react';
 import styled, { css } from 'styled-components';
 
 import { NotificationStatus } from '@/constants/notifications';
-import { ButtonSize } from '@/constants/buttons';
-
+import { ButtonShape, ButtonSize } from '@/constants/buttons';
 import { useNotifications } from '@/hooks/useNotifications';
 import { useBreakpoints } from '@/hooks/useBreakpoints';
+import { ChevronLeftIcon } from '@/icons';
+import { breakpoints } from '@/styles';
 
 import { Button } from '@/components/Button';
 import { Toast } from '@/components/Toast';
 import { ToastArea } from '@/components/ToastArea';
+import { ToggleButton } from '@/components/ToggleButton';
 
 type StyleProps = {
   className?: string;
@@ -18,6 +20,8 @@ type StyleProps = {
 const MAX_TOASTS = 10;
 
 export const NotificationsToastArea = ({ className }: StyleProps) => {
+  const [shouldStackNotifications, setshouldStackNotifications] = useState(true);
+
   const {
     notifications,
     getKey,
@@ -43,20 +47,37 @@ export const NotificationsToastArea = ({ className }: StyleProps) => {
           key: getKey(notification),
           displayData: getDisplayData(notification),
         }))
-        .filter(({ displayData }) => displayData)
+        .filter(
+          ({ displayData, notification }) =>
+            displayData && notification.status < NotificationStatus.Unseen
+        )
         .slice(-MAX_TOASTS)
     );
   }, [notifications, getKey, getDisplayData]);
 
   if (isMenuOpen) return null;
 
+  const hasMultipleToasts = notificationMap.length > 1;
+
   return (
     <StyledToastArea swipeDirection={isMobile ? 'up' : 'right'} className={className}>
+      {hasMultipleToasts && (
+        <StyledToggleButton
+          shape={ButtonShape.Pill}
+          size={ButtonSize.XSmall}
+          isPressed={shouldStackNotifications}
+          onPressedChange={() => setshouldStackNotifications(!shouldStackNotifications)}
+        >
+          <ChevronLeftIcon />
+        </StyledToggleButton>
+      )}
+
       {notificationMap.map(({ notification, key, displayData }, idx) => (
         <StyledToast
           key={key}
-          layer={notificationMap.length - 1 - idx}
+          isStacked={!isMobile && shouldStackNotifications}
           isOpen={notification.status < NotificationStatus.Unseen}
+          layer={notificationMap.length - 1 - idx}
           notification={notification}
           slotIcon={displayData.icon}
           slotTitle={displayData.title}
@@ -74,7 +95,7 @@ export const NotificationsToastArea = ({ className }: StyleProps) => {
           actionAltText={displayData.actionAltText}
           duration={displayData.toastDuration ?? Infinity}
           sensitivity={displayData.toastSensitivity}
-          setIsOpen={(isOpen, isClosedFromTimeout) => {
+          setIsOpen={(isOpen: boolean, isClosedFromTimeout?: boolean) => {
             if (!isOpen)
               if (isClosedFromTimeout)
                 // Toast timer expired without user interaction
@@ -97,16 +118,55 @@ const StyledToastArea = styled(ToastArea)`
   padding: 0.75rem 0.75rem 0.75rem 0;
 
   mask-image: linear-gradient(to left, transparent, white 0.5rem);
+
+  @media ${breakpoints.mobile} {
+    width: 100%;
+    position: fixed;
+  }
 `;
 
-const StyledToast = styled(Toast)<{ layer: number }>`
+const StyledToast = styled(Toast)<{ isStacked?: boolean; layer: number }>`
   // Stacked toast
-  position: absolute;
-  top: 0;
-  left: 0;
-  right: 0;
-  ${({ layer }) => css`
-    right: calc(${layer} * -2px);
-    top: calc(${layer} * 2px);
-  `}
+  ${({ isStacked, layer }) =>
+    isStacked
+      ? css`
+          position: absolute;
+          left: 0;
+          top: calc(${layer} * 2px);
+          right: calc(${layer} * -2px);
+        `
+      : css`
+          margin-bottom: 0.75rem;
+        `}
+`;
+
+const StyledToggleButton = styled(ToggleButton)<{ isPressed: boolean }>`
+  z-index: 2;
+  pointer-events: auto;
+  display: none;
+  position: absolute;
+  top: 4px;
+  left: calc(50% - 0.75rem);
+  --button-width: 2rem;
+  --button-height: 1rem;
+
+  ${StyledToastArea}:hover & {
+    display: flex;
+  }
+
+  > svg {
+    width: 4px;
+    margin-top: 1px;
+    transform: rotate(-90deg);
+
+    ${({ isPressed }) =>
+      !isPressed &&
+      css`
+        transform: rotate(90deg);
+      `}
+  }
+
+  @media ${breakpoints.mobile} {
+    display: none;
+  }
 `;