feat: Add Viewer bottomSheet for mobile

src/drive/web/modules/viewer/Footer/BottomSheet.jsx

@@ -0,0 +1,115 @@
+import React, { useState, useEffect, useRef } from 'react'
+import { BottomSheet } from 'mui-bottom-sheet'
+import { makeStyles } from '@material-ui/core/styles'
+
+const useStyles = ({ isTopPosition }) => ({
+  root: {
+    borderTopLeftRadius: '1rem',
+    borderTopRightRadius: '1rem',
+    transition: 'border-radius 0.5s',
+    boxShadow: '0 6px 16px 0 rgba(0, 0, 0, 0.5)',
+    ...(isTopPosition && {
+      borderTopLeftRadius: 0,
+      borderTopRightRadius: 0
+    })
+  }
+})
+
+const useClasses = makeStyles(theme => ({
+  header: {
+    height: '2.5rem',
+    width: '100%',
+    position: 'relative',
+    display: 'flex',
+    alignItems: 'center',
+    justifyContent: 'center'
+  },
+  indicator: {
+    width: '4rem',
+    height: '0.25rem',
+    borderRadius: '99px',
+    backgroundColor: theme.palette.divider
+  }
+}))
+
+const BottomSheetWrapper = ({
+  file,
+  actionButtonsRef,
+  toolbarRef,
+  children
+}) => {
+  const [isTopPosition, setIsTopPosition] = useState(false)
+  const [peekHeights, setPeekHeights] = useState(null)
+  const [initPos, setInitPos] = useState(null)
+  const [bottomSpacerHeight, setBottomSpacerHeight] = useState(0)
+  const classes = useClasses()
+  const styles = useStyles({ isTopPosition })
+  const innerContentRef = useRef()
+  const headerRef = useRef()
+
+  const toolbar = toolbarRef.current
+
+  useEffect(
+    () => {
+      const maxHeight = toolbar
+        ? window.innerHeight - toolbar.offsetHeight
+        : window.innerHeight
+      const mediumHeight = maxHeight * 0.33
+      const actionButtonsHeight = parseFloat(
+        getComputedStyle(actionButtonsRef.current).getPropertyValue('height')
+      )
+      // this is the margin of action buttons without bottomSheet
+      const actionButtonsBottomMargin = 7
+      const minHeight =
+        headerRef.current.offsetHeight +
+        actionButtonsHeight +
+        actionButtonsBottomMargin
+
+      // Used so that the bottomSheet can be opened to the top,
+      // without stopping at the content height
+      const bottomSpacerHeight =
+        maxHeight - innerContentRef.current.offsetHeight
+
+      setPeekHeights([minHeight, mediumHeight, maxHeight])
+      setInitPos(mediumHeight)
+      setBottomSpacerHeight(bottomSpacerHeight)
+    },
+    [toolbar, innerContentRef, file, actionButtonsRef]
+  )
+
+  const handleOnIndexChange = snapIndex => {
+    const maxHeightSnapIndex = peekHeights.length - 1
+
+    if (snapIndex === maxHeightSnapIndex && !isTopPosition) {
+      setIsTopPosition(true)
+    }
+    if (snapIndex !== maxHeightSnapIndex && isTopPosition) {
+      setIsTopPosition(false)
+    }
+  }
+
+  return (
+    <BottomSheet
+      peekHeights={peekHeights}
+      defaultHeight={initPos}
+      backdrop={false}
+      fullHeight={false}
+      onIndexChange={snapIndex => handleOnIndexChange(snapIndex)}
+      styles={{ root: styles.root }}
+    >
+      <div ref={innerContentRef}>
+        <div
+          data-testid="bottomSheet-header"
+          className={classes.header}
+          ref={headerRef}
+        >
+          <div className={classes.indicator} />
+        </div>
+        {children}
+      </div>
+      <div style={{ height: bottomSpacerHeight }} />
+    </BottomSheet>
+  )
+}
+
+export default BottomSheetWrapper

src/drive/web/modules/viewer/Footer/BottomSheetContent.jsx

@@ -0,0 +1,55 @@
+import React, { forwardRef } from 'react'
+import PropTypes from 'prop-types'
+import cx from 'classnames'
+import { makeStyles } from '@material-ui/core/styles'
+
+import { isMobileApp } from 'cozy-device-helper'
+import Paper from 'cozy-ui/transpiled/react/Paper'
+import Typography from 'cozy-ui/transpiled/react/Typography'
+import Stack from 'cozy-ui/transpiled/react/Stack'
+
+import Sharing from './Sharing'
+import ForwardButton from './ForwardButton'
+import DownloadButton from './DownloadButton'
+import getPanelBlocks, { panelBlocksSpecs } from '../Panel/getPanelBlocks'
+
+const useStyles = makeStyles(theme => ({
+  stack: {
+    backgroundColor: theme.palette.background.default
+  }
+}))
+
+const BottomSheetContent = forwardRef(({ file }, ref) => {
+  const panelBlocks = getPanelBlocks({ panelBlocksSpecs, file })
+  const FileActionButton = isMobileApp() ? ForwardButton : DownloadButton
+  const styles = useStyles()
+
+  return (
+    <Stack
+      spacing="s"
+      className={cx('u-flex u-flex-column u-ov-hidden', styles.stack)}
+    >
+      <Paper className={'u-flex u-ph-1 u-pb-1'} elevation={2} square ref={ref}>
+        <Sharing file={file} />
+        <FileActionButton file={file} />
+      </Paper>
+      {panelBlocks.map((PanelBlock, index) => (
+        <Paper
+          key={index}
+          elevation={index === panelBlocks.length - 1 ? 0 : 2}
+          square
+        >
+          <Typography variant="h4">
+            <PanelBlock file={file} />
+          </Typography>
+        </Paper>
+      ))}
+    </Stack>
+  )
+})
+
+BottomSheetContent.propTypes = {
+  file: PropTypes.object.isRequired
+}
+
+export default BottomSheetContent

src/drive/web/modules/viewer/Footer/FooterContent.jsx

@@ -1,20 +1,49 @@
-import React from 'react'
+import React, { useRef } from 'react'
 import PropTypes from 'prop-types'
+import { makeStyles } from '@material-ui/core/styles'
 
 import { isMobileApp } from 'cozy-device-helper'
 
+import { showPanel } from '../helpers'
 import Sharing from './Sharing'
 import ForwardButton from './ForwardButton'
 import DownloadButton from './DownloadButton'
+import BottomSheet from './BottomSheet'
+import BottomSheetContent from './BottomSheetContent'
 
-const FooterContent = ({ file }) => {
+const useStyles = makeStyles({
+  footer: {
+    display: 'flex',
+    alignItems: 'center',
+    width: 'calc(100% - 2rem)',
+    height: '100%',
+    paddingLeft: '1rem',
+    paddingRight: '1rem',
+    borderTop: '1px solid var(--dividerColor)'
+  }
+})
+
+const FooterContent = ({ file, toolbarRef }) => {
+  const styles = useStyles()
   const FileActionButton = isMobileApp() ? ForwardButton : DownloadButton
+  const actionButtonsRef = useRef()
+
+  if (showPanel({ file }))
+    return (
+      <BottomSheet
+        file={file}
+        actionButtonsRef={actionButtonsRef}
+        toolbarRef={toolbarRef}
+      >
+        <BottomSheetContent file={file} ref={actionButtonsRef} />
+      </BottomSheet>
+    )
 
   return (
-    <>
+    <div className={styles.footer}>
       <Sharing file={file} />
       <FileActionButton file={file} />
-    </>
+    </div>
   )
 }
 

src/drive/web/modules/viewer/Footer/FooterContent.spec.jsx

@@ -13,7 +13,7 @@ jest.mock('cozy-device-helper', () => ({
   isMobileApp: jest.fn()
 }))
 
-const file = {
+const staticFile = {
   id: 'fileId',
   name: 'Demo.pdf'
 }
@@ -23,7 +23,8 @@ const client = createMockClient({})
 const setup = ({
   byDocId = { fileId: {} },
   isOwner = false,
-  isMobileAppValue = false
+  isMobileAppValue = false,
+  file
 } = {}) => {
   const mockSharingContext = {
     byDocId,
@@ -35,7 +36,7 @@ const setup = ({
 
   const root = render(
     <AppLike client={client} sharingContextValue={mockSharingContext}>
-      <FooterContent file={file} />
+      <FooterContent file={file || staticFile} toolbarRef={{}} />
     </AppLike>
   )
 
@@ -86,4 +87,13 @@ describe('FooterContent', () => {
     expect(getByText('Shared'))
     expect(queryByText('Share')).toBeFalsy()
   })
+
+  it('should show bottom sheet for file with certification or konnector', () => {
+    const { root } = setup({
+      file: { metadata: { carbonCopy: true }, ...staticFile }
+    })
+    const { getByTestId } = root
+
+    expect(getByTestId('bottomSheet-header')).toBeTruthy()
+  })
 })