Add mobile improvements

package.json

@@ -1,7 +1,7 @@
 {
   "name": "wow-best-places",
   "description": "This app is supposed to make you feel nostalgic",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "author": {
     "name": "obergodmar",
     "email": "obergodmar@gmail.com",

src/app/index.tsx

@@ -69,9 +69,13 @@ export default function App() {
         })
     }, [isLoading])
 
-    const handleLeftPreviewClick = (value: number) => delayedChange(setActivePlace, value)
+    const handleLeftPreviewClick = useCallback((value: number) =>
+                    delayedChange(setActivePlace, value),
+            [delayedChange])
 
-    const handleBottomPreviewClick = (value: number) => delayedChange(setActiveView, value)
+    const handleBottomPreviewClick = useCallback((value: number) =>
+                    delayedChange(setActiveView, value),
+            [delayedChange])
 
     useEffect(() => {
         if (app && app.current) {
@@ -89,11 +93,12 @@ export default function App() {
             return
         }
         currentPlaying.setVolume(musicVolume)
+        currentPlaying.playMusic()
     }, [currentPlaying, musicVolume])
 
-    const appClick = () => currentPlaying && currentPlaying.playMusic()
+    const appClick = useCallback(() => currentPlaying && currentPlaying.playMusic(), [currentPlaying])
 
-    const openCloseSettings = () => {
+    const openCloseSettings = useCallback(() => {
         setSettingsShown(!isSettingsShown)
         if (app && app.current) {
             app.current.focus()
@@ -106,9 +111,9 @@ export default function App() {
         } else {
             settingsOpenSound.playSound()
         }
-    }
+    }, [app, isSettingsShown, uiSound, settingsCloseSound, settingsOpenSound])
 
-    const handleOpenSettings = (e: KeyboardEvent) => {
+    const handleOpenSettings = useCallback((e: KeyboardEvent) => {
         switch (e.keyCode) {
             case 27:
                 if (isLeftPanelShown || isBottomPanelShown) {
@@ -129,7 +134,7 @@ export default function App() {
                     currentPlaying.playMusic()
                 }
         }
-    }
+    }, [isLeftPanelShown, isBottomPanelShown, isPlaying, currentPlaying, openCloseSettings])
 
     return (
             <div
@@ -143,7 +148,7 @@ export default function App() {
                 <MainMenuComponent>
                     <div className='author'>
                         <a href="https://github.com/obergodmar">obergodmar</a>
-                        <span>v1.2.0</span>
+                        <span>v1.3.0</span>
                     </div>
                     <MenuItemComponent
                             isActive={isSettingsShown}

src/app/style.scss

@@ -38,13 +38,15 @@ body {
 
 .author {
   padding: 0 10px;
-  width: 130px;
+  width: 0;
+  opacity: 0;
   font-family: $font;
   text-shadow: $fontShadow;
   color: $fontColor;
   font-size: 16px;
   display: flex;
   align-items: center;
+  transition: width $transitionDuration $transitionType, opacity $transitionDuration $transitionType;
   justify-content: space-between;
 
   a {

src/components/checkbox-component/checkbox-component.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react'
-import { KeyboardEvent } from 'react'
+import { KeyboardEvent, useCallback } from 'react'
 
 import './checkbox-component.scss'
 
@@ -11,12 +11,13 @@ interface Props {
 
 export const CheckBoxComponent = ({handleClick, optionName, value}: Props) => {
 
-    const handleKeyDown = (e: KeyboardEvent, option: any) => {
+    const handleKeyDown = useCallback((e: KeyboardEvent, option: any) => {
         if (e.keyCode !== 13 && e.keyCode !== 32) {
             return
         }
         handleClick(option)
-    }
+    }, [handleClick])
+
     return (
             <div
                     tabIndex={0}

src/components/main-menu-component/main-menu-component.scss

@@ -18,4 +18,11 @@ $menuWidth: 290px;
   border-image-repeat: round round;
   border-radius: 6px;
   padding: 2px 3px;
+
+  &:hover {
+    .author {
+      width: 130px;
+      opacity: 1;
+    }
+  }
 }

src/components/menu-item-component/menu-item-component.scss

@@ -4,6 +4,7 @@ $menuItemWidth: 32px;
 $menuItemHeight: 41px;
 
 .menu-item {
+  z-index: 4;
   width: $menuItemWidth - 4px;
   height: $menuItemHeight - 4px;
   border-radius: 6px;

src/components/menu-item-component/menu-item-component.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react'
-import { KeyboardEvent } from 'react'
+import { KeyboardEvent, useCallback } from 'react'
 
 import './menu-item-component.scss'
 
@@ -10,12 +10,12 @@ interface Props {
 
 export const MenuItemComponent = ({isActive, handleClick}: Props) => {
 
-    const handleKeyDown = (e: KeyboardEvent) => {
+    const handleKeyDown = useCallback((e: KeyboardEvent) => {
         if (e.keyCode !== 13 && e.keyCode !== 32) {
             return
         }
         handleClick()
-    }
+    }, [handleClick])
 
     return (
             <div

src/components/panel-component/panel-component.tsx

@@ -11,7 +11,7 @@ import {
     WheelEvent
 } from 'react'
 
-import { ANIMATION_DURATION, debounce, PREVIEW_HEIGHT, PREVIEW_WIDTH } from '../../utils'
+import { ANIMATION_DURATION, debounce, PREVIEW_HEIGHT, PREVIEW_WIDTH, SPACE } from '../../utils'
 import { useSettings } from '../../hooks'
 
 import './panel-component.scss'
@@ -37,7 +37,7 @@ export const PanelComponent = ({
 }: Props) => {
     const {settings: {language, uiSound}} = useSettings()
     const [isDrag, setDrag] = useState(false)
-    const [trackMouse, setTrackMouse] = useState(0)
+    const [trackPosition, setTrackPosition] = useState(0)
     const [position, setPosition] = useState(0)
     const [lastPosition, setLastPosition] = useState(0)
 
@@ -65,7 +65,7 @@ export const PanelComponent = ({
             panel.current.style.transition = `transform 0.5s`
         }
         panel.current.style.transform = `unset`
-        setTrackMouse(0)
+        setTrackPosition(0)
         setPosition(0)
         setLastPosition(0)
     }, [panel])
@@ -123,9 +123,9 @@ export const PanelComponent = ({
     }
 
     const limiter = (value: number, overflow: number, isWheel: boolean = false) => {
-        let diff = (!isWheel ? trackMouse : 0) - value + lastPosition
+        let diff = (!isWheel ? trackPosition : 0) - value + lastPosition
-        if (Math.abs(diff) > overflow + 40) {
+        if (Math.abs(diff) > overflow + SPACE) {
-            diff = overflow + 40
+            diff = overflow + SPACE
         } else if (diff < 0) {
             diff = 0
         }
@@ -142,14 +142,14 @@ export const PanelComponent = ({
     const handleMouseDown = (e: MouseEvent) => {
         const {clientX, clientY} = e
         e.nativeEvent.stopImmediatePropagation()
-        setTrackMouse(isBottom ? clientX : clientY)
+        setTrackPosition(isBottom ? clientX : clientY)
         setDrag(true)
     }
 
     const handleTouchstart = (e: TouchEvent) => {
         const {touches} = e
         e.nativeEvent.stopImmediatePropagation()
-        setTrackMouse(isBottom ? touches[0].clientX : touches[0].clientY)
+        setTrackPosition(isBottom ? touches[0].clientX : touches[0].clientY)
         setDrag(true)
     }
 
@@ -180,7 +180,7 @@ export const PanelComponent = ({
             return
         }
 
-        const value = deltaY > 0 ? 80 : -80
+        const value = deltaY > 0 ? -80 : 80
         const diff = limiter(value, overflow, true)
         setPosition(diff)
         changePosition()

src/components/preview-component/preview-component.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react'
-import { useEffect, useMemo, useState } from 'react'
+import { useCallback, useEffect, useMemo, useState } from 'react'
 
 import { useSettings } from '../../hooks'
 import { Plug } from '../../assets'
@@ -33,10 +33,10 @@ export const PreviewComponent = ({name = '', src, value, handleChange, isLoading
         }
     }, [image])
 
-    const handleClick = (e: React.MouseEvent) => {
+    const handleClick = useCallback((e: React.MouseEvent) => {
         e.preventDefault()
         handleChange(value)
-    }
+    }, [handleChange, value])
 
     return (
             <div

src/components/range-component/range-component.tsx

@@ -16,6 +16,9 @@ export const RangeComponent = ({handleChange, defaultValue}: Props) => {
 
     const stick = useRef<HTMLDivElement>(null)
 
+    const handleFocus = useCallback(() => setPressed(true), [])
+    const handleFree = useCallback(() => setPressed(false), [])
+
     const handleKeyDown = (e: KeyboardEvent) => {
         if (!stick || !stick.current || !stick.current.parentNode) {
             return
@@ -23,43 +26,57 @@ export const RangeComponent = ({handleChange, defaultValue}: Props) => {
         const {width} = (stick.current.parentNode as HTMLDivElement).getBoundingClientRect()
         switch (e.keyCode) {
             case 37:
-                if (position - 5 < 0) {
+                const minusValue = position - 5
-                    return
+                const minusDiff = limiter(minusValue, width)
-                }
+
-                setPosition(position - 5)
+                setPosition(minusDiff)
-                handleChange(position / MAX)
+                handleChange(minusDiff / MAX)
                 break
             case 39:
-                if (position + 5 > width - 35) {
+                const plusValue = position + 5
-                    return
+                const plusDiff = limiter(plusValue, width)
-                }
+
-                setPosition(position + 5)
+                setPosition(plusDiff)
-                handleChange(position / MAX)
+                handleChange(plusDiff / MAX)
                 break
         }
     }
 
-    const handleMouseDown = useCallback(() => {
+    const handlePoint = useCallback((e: React.MouseEvent | MouseEvent) => {
-        setPressed(true)
-    }, [])
-
-    const handleMouseUp = useCallback(() => {
-        setPressed(false)
-    }, [])
-
-    const handleMouseMove = useCallback((e: MouseEvent) => {
-        if (!isPressed) {
-            return
-        }
         if (!stick || !stick.current || !stick.current.parentNode) {
             return
         }
         const {width, left} = (stick.current.parentNode as HTMLDivElement).getBoundingClientRect()
         const {clientX} = e
-        const diff = clientX - left - 20
+        const value = clientX - left - 20
-        if (diff > width - 35 || diff < 0) {
+        const diff = limiter(value, width)
+
+        setPosition(diff)
+        handleChange(diff / MAX)
+    }, [stick, handleChange])
+
+    const handleMouseMove = useCallback((e: MouseEvent) => {
+        if (!isPressed) {
             return
         }
+        handlePoint(e)
+    }, [isPressed, handlePoint])
+
+    const handleTouchMove = useCallback((e: TouchEvent) => {
+        if (!isPressed) {
+            return
+        }
+        const {touches} = e
+        const {clientX} = touches[0]
+
+        if (!stick || !stick.current || !stick.current.parentNode) {
+            return
+        }
+        const {width, left} = (stick.current.parentNode as HTMLDivElement).getBoundingClientRect()
+
+        const value = clientX - left - 20
+        const diff = limiter(value, width)
+
         setPosition(diff)
         handleChange(diff / MAX)
     }, [isPressed, stick, handleChange])
@@ -73,27 +90,42 @@ export const RangeComponent = ({handleChange, defaultValue}: Props) => {
         range.focus()
         const {deltaY} = e
         const value = position + (deltaY > 0 ? -5 : 5)
-        if (value > width - 35 || value < 0) {
+        const diff = limiter(value, width)
-            return
+
+        setPosition(diff)
+        handleChange(diff / MAX)
     }
-        setPosition(value)
+
-        handleChange(value / MAX)
+    const limiter = (value: number, width: number) => {
+        let diff = value
+        if (diff > width - 35) {
+            diff = MAX
+        } else if (diff < 0) {
+            diff = 0
+        }
+        return diff
     }
 
     useEffect(() => {
         window.addEventListener('mousemove', handleMouseMove)
-        window.addEventListener('mouseup', handleMouseUp)
+        window.addEventListener('mouseup', handleFree)
+        window.addEventListener('touchmove', handleTouchMove)
+        window.addEventListener('touchend', handleFree)
         return () => {
             window.removeEventListener('mousemove', handleMouseMove)
-            window.removeEventListener('mouseup', handleMouseUp)
+            window.removeEventListener('mouseup', handleFree)
+            window.removeEventListener('touchmove', handleTouchMove)
+            window.removeEventListener('touchend', handleFree)
         }
-    }, [handleMouseMove, handleMouseUp])
+    }, [handleMouseMove, handleTouchMove, handleFree])
 
     return (
             <div
                     tabIndex={0}
                     onKeyDown={handleKeyDown}
-                    onMouseDown={handleMouseDown}
+                    onMouseDown={handleFocus}
+                    onClick={handlePoint}
+                    onTouchStart={handleFocus}
                     onWheel={handleScroll}
                     className='range'
             >

src/components/select-component/select-component.tsx

@@ -1,5 +1,5 @@
 import * as React from 'react'
-import { FocusEvent, KeyboardEvent, useRef, useState } from 'react'
+import { FocusEvent, KeyboardEvent, useCallback, useRef, useState } from 'react'
 
 import './select-component.scss'
 
@@ -14,7 +14,7 @@ export const SelectComponent = ({children, options, current, handleChange}: Prop
     const [isSelectShown, setSelectShown] = useState(false)
     const dropDownRef = useRef<HTMLDivElement>(null)
 
-    const handleSelectClick = () => setSelectShown(!isSelectShown)
+    const handleSelectClick = useCallback(() => setSelectShown(!isSelectShown), [isSelectShown])
 
     const handleBlur = (e: FocusEvent) => {
         if (!dropDownRef || !dropDownRef.current) {

src/components/view-component/view-component.scss

@@ -7,7 +7,6 @@
   left: 0;
   min-width: 100vw;
   min-height: 100vh;
-  background-position: center;
   background-repeat: no-repeat;
   animation: pulse 10s infinite;
   animation-direction: alternate;
@@ -18,6 +17,7 @@
     position: absolute;
     min-width: inherit;
     min-height: inherit;
+    background-size: cover;
     background: $backgroundTexture;
     transition: opacity $transitionDuration $transitionType;
 

src/components/view-component/view-component.tsx

@@ -1,8 +1,8 @@
 import * as React from 'react'
-import { useEffect, useState } from 'react'
+import { FocusEvent, MouseEvent, TouchEvent, useCallback, useEffect, useState } from 'react'
 
 import { Background } from '../../assets'
-import { ANIMATION_DURATION } from '../../utils'
+import { ANIMATION_DURATION, DEFAULT_HEIGHT, DEFAULT_WIDTH } from '../../utils'
 
 import './view-component.scss'
 
@@ -10,11 +10,42 @@ interface Props {
     src: string
 }
 
+interface Position {
+    x: number
+    y: number
+}
+
+const initialPosition = {
+    x: 0,
+    y: 0
+}
+
 export const ViewComponent = ({src}: Props) => {
     const [imageSrc, setImageSrc] = useState(Background)
     const [isLoaded, setLoaded] = useState(false)
+    const [isDrag, setDrag] = useState(false)
+    const [trackPosition, setTrackPosition] = useState(initialPosition)
+    const [position, setPosition] = useState(initialPosition)
+    const [lastPosition, setLastPosition] = useState(initialPosition)
+
+    const handleResize = useCallback(() => {
+        const {innerWidth, innerHeight} = window
+
+        let width = (innerWidth - DEFAULT_WIDTH) / 2
+        let height = (innerHeight - DEFAULT_HEIGHT) / 2
+
+        if (innerWidth >= DEFAULT_WIDTH) {
+            width = 0
+        }
+        if (innerHeight >= DEFAULT_HEIGHT) {
+            height = 0
+        }
+        setPosition({x: width, y: height})
+        setLastPosition({x: width, y: height})
+    }, [])
 
     useEffect(() => {
+        handleResize()
         setLoaded(false)
         const timer = setTimeout(() => {
             const image = new Image()
@@ -27,14 +58,97 @@ export const ViewComponent = ({src}: Props) => {
         return () => {
             clearTimeout(timer)
         }
-    }, [src])
+    }, [src, handleResize])
+
+    useEffect(() => {
+        window.addEventListener('resize', handleResize)
+        return () => {
+            window.removeEventListener('resize', handleResize)
+        }
+    }, [handleResize])
+
+    const handleTouchMove = (e: TouchEvent) => {
+        const {touches} = e
+        const {innerWidth, innerHeight} = window
+        const width = DEFAULT_WIDTH - innerWidth
+        const height = DEFAULT_HEIGHT - innerHeight
+        const {clientX: x, clientY: y} = touches[0]
+
+        const diff = limiter({x, y}, width, height)
+
+        setPosition(diff)
+    }
+
+    const limiter = (value: Position, width: number, height: number) => {
+        const {x: xValue, y: yValue} = value
+
+        let x = trackPosition.x - xValue + lastPosition.x
+        let y = trackPosition.y - yValue + lastPosition.y
+
+        if (x > 0) {
+            x = 0
+        } else if (x < -width) {
+            x = -width
+        }
+
+        if (y > 0) {
+            y = 0
+        } else if (y < -height) {
+            y = -height
+        }
+
+        return ({x, y})
+    }
+
+    const handleTouchstart = (e: TouchEvent) => {
+        const {touches} = e
+        e.nativeEvent.stopImmediatePropagation()
+        const {clientX: x, clientY: y} = touches[0]
+        setTrackPosition({x, y})
+        setDrag(true)
+    }
+
+    const handleMouseDown = (e: MouseEvent) => {
+        const {clientX, clientY} = e
+        e.nativeEvent.stopImmediatePropagation()
+        setTrackPosition({x: clientX, y: clientY})
+        setDrag(true)
+    }
+
+    const handleFree = (e: MouseEvent | FocusEvent | TouchEvent) => {
+        e.nativeEvent.stopImmediatePropagation()
+        setDrag(false)
+        setLastPosition(position)
+    }
+
+    const handleDragScroll = (e: MouseEvent) => {
+        if (!isDrag) {
+            return
+        }
+        const {innerWidth, innerHeight} = window
+        const width = DEFAULT_WIDTH - innerWidth
+        const height = DEFAULT_HEIGHT - innerHeight
+
+        const {clientX: x, clientY: y} = e
+        const diff = limiter({x, y}, width, height)
+        setPosition(diff)
+    }
 
     return (
             <div
                     className='view'
                     style={{
-                        backgroundImage: `url(${imageSrc})`
+                        backgroundImage: `url(${imageSrc})`,
+                        backgroundPosition: `${position.x}px ${position.y}px`
                     }}
+                    onMouseDown={handleMouseDown}
+                    onMouseMove={handleDragScroll}
+                    onMouseUp={handleFree}
+                    onTouchMove={handleTouchMove}
+                    onTouchStart={handleTouchstart}
+                    onTouchEnd={handleFree}
+                    onMouseLeave={handleFree}
+                    onBlur={handleFree}
             >
                 <div className={`view-background ${isLoaded ? 'view-background--loaded' : ''}`} />
             </div>

src/utils/constants.ts

@@ -4,3 +4,6 @@ export const PREVIEW_WIDTH = 320
 export const PREVIEW_HEIGHT = 180
 export const UI_SOUND_VOLUME = 0.2
 export const UI_MUSIC_VOLUME = 1
+export const SPACE = 200
+export const DEFAULT_WIDTH = 1920
+export const DEFAULT_HEIGHT = 1080

src/utils/index.ts

@@ -7,7 +7,10 @@ export {
 	UI_MUSIC_VOLUME,
 	UI_SOUND_VOLUME,
 	LOADING_DURATION,
-	ANIMATION_DURATION
+	ANIMATION_DURATION,
+	DEFAULT_HEIGHT,
+	DEFAULT_WIDTH,
+	SPACE
 } from './constants'
 
 export const delay = () => new Promise(resolve => setTimeout(resolve, LOADING_DURATION))