Support drag-and-drop file publishing (#4170)

CHANGELOG.md

@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 - Expose reflector status for publishes ([#4148](https://github.com/lbryio/lbry-desktop/pull/4148))
 - More tooltip help texts _community pr!_ ([#4185](https://github.com/lbryio/lbry-desktop/pull/4185))
 - Add footer on web ([#4159](https://github.com/lbryio/lbry-desktop/pull/4159))
+- Support drag-and-drop file publishing _community pr!_ ([#4170](https://github.com/lbryio/lbry-desktop/pull/4170))
 
 ### Changed
 

ui/component/app/view.jsx

@@ -16,6 +16,7 @@ import usePrevious from 'effects/use-previous';
 import Nag from 'component/common/nag';
 import { rewards as REWARDS } from 'lbryinc';
 import usePersistedState from 'effects/use-persisted-state';
+import FileDrop from 'component/fileDrop';
 // @if TARGET='web'
 import OpenInAppLink from 'lbrytv/component/openInAppLink';
 import YoutubeWelcome from 'lbrytv/component/youtubeReferralWelcome';
@@ -284,6 +285,7 @@ function App(props: Props) {
         <React.Fragment>
           <Router />
           <ModalRouter />
+          <FileDrop />
           <FileRenderFloating />
           {isEnhancedLayout && <Yrbl className="yrbl--enhanced" />}
 

ui/component/common/file-list.jsx

@@ -0,0 +1,74 @@
+// @flow
+import React from 'react';
+import { useRadioState, Radio, RadioGroup } from 'reakit/Radio';
+
+type Props = {
+  files: Array<WebFile>,
+  onChange: (WebFile | void) => void,
+};
+
+type RadioProps = {
+  id: string,
+  label: string,
+};
+
+// Same as FormField type="radio" but it works with reakit:
+const ForwardedRadio = React.forwardRef((props: RadioProps, ref) => (
+  <span className="radio">
+    <input {...props} type="radio" ref={ref} />
+    <label htmlFor={props.id}>{props.label}</label>
+  </span>
+));
+
+function FileList(props: Props) {
+  const { files, onChange } = props;
+  const radio = useRadioState();
+
+  const getFile = (value?: string) => {
+    if (files && files.length) {
+      return files.find((file: WebFile) => file.name === value);
+    }
+  };
+
+  React.useEffect(() => {
+    if (radio.stops.length) {
+      if (!radio.currentId) {
+        radio.first();
+      } else {
+        const first = radio.stops[0].ref.current;
+        // First auto-selection
+        if (first && first.id === radio.currentId && !radio.state) {
+          const file = getFile(first.value);
+          // Update state and select new file
+          onChange(file);
+          radio.setState(first.value);
+        }
+
+        if (radio.state) {
+          // Find selected element
+          const stop = radio.stops.find(item => item.id === radio.currentId);
+          const element = stop && stop.ref.current;
+          // Only update state if new item is selected
+          if (element && element.value !== radio.state) {
+            const file = getFile(element.value);
+            // Sselect new file and update state
+            onChange(file);
+            radio.setState(element.value);
+          }
+        }
+      }
+    }
+  }, [radio, onChange]);
+
+  return (
+    <div className={'file-list'}>
+      <RadioGroup {...radio} aria-label="files">
+        {files.map(({ name }) => {
+          return <Radio key={name} {...radio} value={name} label={name} as={ForwardedRadio} />;
+        })}
+      </RadioGroup>
+    </div>
+  );
+}
+
+export default FileList;

ui/component/common/icon-custom.jsx

@@ -623,4 +623,10 @@ export const icons = {
       <path d="M21 2l-2 2m-7.61 7.61a5.5 5.5 0 1 1-7.778 7.778 5.5 5.5 0 0 1 7.777-7.777zm0 0L15.5 7.5m0 0l3 3L22 7l-3-3m-3.5 3.5L19 4" />
     </g>
   ),
+  [ICONS.COMPLETED]: buildIcon(
+    <g>
+      <path d="M22 11.08V12a10 10 0 1 1-5.93-9.14" />
+      <polyline points="22 4 12 14.01 9 11.01" />
+    </g>
+  ),
 };

ui/component/fileDrop/index.js

@@ -0,0 +1,20 @@
+import { connect } from 'react-redux';
+
+import { doUpdatePublishForm, makeSelectPublishFormValue } from 'lbry-redux';
+
+import { selectModal } from 'redux/selectors/app';
+import { doOpenModal } from 'redux/actions/app';
+
+import FileDrop from './view';
+
+const select = state => ({
+  modal: selectModal(state),
+  filePath: makeSelectPublishFormValue('filePath')(state),
+});
+
+const perform = dispatch => ({
+  openModal: (modal, props) => dispatch(doOpenModal(modal, props)),
+  updatePublishForm: value => dispatch(doUpdatePublishForm(value)),
+});
+
+export default connect(select, perform)(FileDrop);

ui/component/fileDrop/view.jsx

@@ -0,0 +1,162 @@
+// @flow
+import React from 'react';
+import * as ICONS from 'constants/icons';
+import * as PAGES from 'constants/pages';
+import * as MODALS from 'constants/modal_types';
+import classnames from 'classnames';
+import useDragDrop from 'effects/use-drag-drop';
+import { getTree } from 'util/web-file-system';
+import { withRouter } from 'react-router';
+import Icon from 'component/common/icon';
+
+type Props = {
+  modal: { id: string, modalProps: {} },
+  filePath: string | WebFile,
+  clearPublish: () => void,
+  updatePublishForm: ({}) => void,
+  openModal: (id: string, { files: Array<WebFile> }) => void,
+  // React router
+  history: {
+    entities: {}[],
+    goBack: () => void,
+    goForward: () => void,
+    index: number,
+    length: number,
+    location: { pathname: string },
+    push: string => void,
+  },
+};
+
+const HIDE_TIME_OUT = 600;
+const TARGET_TIME_OUT = 300;
+const NAVIGATE_TIME_OUT = 400;
+const PUBLISH_URL = `/$/${PAGES.PUBLISH}`;
+
+function FileDrop(props: Props) {
+  const { modal, history, openModal, updatePublishForm } = props;
+  const { drag, dropData } = useDragDrop();
+  const [files, setFiles] = React.useState([]);
+  const [error, setError] = React.useState(false);
+  const [target, setTarget] = React.useState(false);
+  const hideTimer = React.useRef(null);
+  const targetTimer = React.useRef(null);
+  const navigationTimer = React.useRef(null);
+
+  const navigateToPublish = React.useCallback(() => {
+    // Navigate only if location is not publish area:
+    // - Prevent spam in history
+    if (history.location.pathname !== PUBLISH_URL) {
+      history.push(PUBLISH_URL);
+    }
+  }, [history]);
+
+  // Delay hide and navigation for a smooth transition
+  const hideDropArea = () => {
+    hideTimer.current = setTimeout(() => {
+      setFiles([]);
+      // Navigate to publish area
+      navigationTimer.current = setTimeout(() => {
+        navigateToPublish();
+      }, NAVIGATE_TIME_OUT);
+    }, HIDE_TIME_OUT);
+  };
+
+  const handleFileSelected = selectedFile => {
+    updatePublishForm({ filePath: selectedFile });
+    hideDropArea();
+  };
+
+  const getFileIcon = type => {
+    // Not all files have a type
+    if (!type) {
+      return ICONS.FILE;
+    }
+    // Detect common types
+    const contentType = type.split('/')[0];
+    if (contentType === 'text') {
+      return ICONS.TEXT;
+    } else if (contentType === 'image') {
+      return ICONS.IMAGE;
+    } else if (contentType === 'video') {
+      return ICONS.VIDEO;
+    } else if (contentType === 'audio') {
+      return ICONS.AUDIO;
+    }
+    // Binary file
+    return ICONS.FILE;
+  };
+
+  // Clear timers
+  React.useEffect(() => {
+    return () => {
+      // Clear hide timer
+      if (hideTimer.current) {
+        clearTimeout(hideTimer.current);
+      }
+      // Clear target timer
+      if (targetTimer.current) {
+        clearTimeout(targetTimer.current);
+      }
+      // Clear navigation timer
+      if (navigationTimer.current) {
+        clearTimeout(navigationTimer.current);
+      }
+    };
+  }, []);
+
+  React.useEffect(() => {
+    // Clear selected file after modal closed
+    if ((target && !files) || !files.length) {
+      // Small delay for a better transition
+      targetTimer.current = setTimeout(() => {
+        setTarget(null);
+      }, TARGET_TIME_OUT);
+    }
+  }, [files, target]);
+
+  React.useEffect(() => {
+    // Handle drop...
+    if (dropData && !files.length && (!modal || modal.id !== MODALS.FILE_SELECTION)) {
+      getTree(dropData)
+        .then(entries => {
+          if (entries && entries.length) {
+            setFiles(entries);
+          }
+        })
+        .catch(error => {
+          setError(error || true);
+        });
+    }
+  }, [dropData, files, modal]);
+
+  React.useEffect(() => {
+    // Files or directory dropped:
+    if (!drag && files.length) {
+      // Handle multiple files selection
+      if (files.length > 1) {
+        openModal(MODALS.FILE_SELECTION, { files: files });
+        setFiles([]);
+      } else if (files.length === 1) {
+        // Handle single file selection
+        setTarget(files[0]);
+        handleFileSelected(files[0]);
+      }
+    }
+  }, [drag, files, error, openModal]);
+
+  // Show icon based on file type
+  const icon = target ? getFileIcon(target.type) : ICONS.PUBLISH;
+  // Show drop area when files are dragged over or processing dropped file
+  const show = files.length === 1 || (!target && drag && (!modal || modal.id !== MODALS.FILE_SELECTION));
+
+  return (
+    <div className={classnames('file-drop', show && 'file-drop--show')}>
+      <div className={classnames('card', 'file-drop__area')}>
+        <Icon size={64} icon={icon} className={'main-icon'} />
+        <p>{target ? target.name : __(`Drop here to publish!`)} </p>
+      </div>
+    </div>
+  );
+}
+
+export default withRouter(FileDrop);

ui/component/publishFile/view.jsx

@@ -47,6 +47,8 @@ function PublishFile(props: Props) {
 
   const { available } = ffmpegStatus;
   const [oversized, setOversized] = useState(false);
+  const [currentFile, setCurrentFile] = useState(null);
+
   const RECOMMENDED_BITRATE = 6000000;
   const TV_PUBLISH_SIZE_LIMIT: number = 1073741824;
   const UPLOAD_SIZE_MESSAGE = 'Lbry.tv uploads are limited to 1 GB. Download the app for unrestricted publishing.';
@@ -60,19 +62,16 @@ function PublishFile(props: Props) {
   // clear warnings
   useEffect(() => {
     if (!filePath || filePath === '') {
-      updateOptimizeState(0, 0, false);
+      setCurrentFile('');
       setOversized(false);
-    }
-  }, [filePath]);
-
-  let currentFile = '';
-  if (filePath) {
-    if (typeof filePath === 'string') {
-      currentFile = filePath;
-    } else {
-      currentFile = filePath.name;
+      updateOptimizeState(0, 0, false);
+    } else if (typeof filePath !== 'string') {
+      // Update currentFile file
+      if (filePath.name !== currentFile && filePath.path !== currentFile) {
+        handleFileChange(filePath);
       }
     }
+  }, [filePath, currentFile, handleFileChange, updateOptimizeState]);
 
   function updateOptimizeState(duration, size, isvid) {
     updatePublishForm({ fileDur: duration, fileSize: size, fileVid: isvid });
@@ -179,9 +178,6 @@ function PublishFile(props: Props) {
   function handleFileChange(file: WebFile) {
     const { showToast } = props;
     window.URL = window.URL || window.webkitURL;
-    // if electron, we'll set filePath to the path string because SDK is handling publishing.
-    // if web, we set the filePath (dumb name) to the File() object
-    // File.path will be undefined from web due to browser security, so it will default to the File Object.
     setOversized(false);
 
     // select file, start to select a new one, then cancel
@@ -189,7 +185,8 @@ function PublishFile(props: Props) {
       updatePublishForm({ filePath: '', name: '' });
       return;
     }
-    // if video, extract duration so we can warn about bitrate
+
+    // if video, extract duration so we can warn about bitrateif (typeof file !== 'string') {
     const contentType = file.type.split('/');
     const isVideo = contentType[0] === 'video';
     const isMp4 = contentType[1] === 'mp4';
@@ -212,17 +209,17 @@ function PublishFile(props: Props) {
 
     // @if TARGET='web'
     // we only need to enforce file sizes on 'web'
-    if (typeof file !== 'string') {
-      if (file && file.size && Number(file.size) > TV_PUBLISH_SIZE_LIMIT) {
+    if (file.size && Number(file.size) > TV_PUBLISH_SIZE_LIMIT) {
       setOversized(true);
       showToast(__(UPLOAD_SIZE_MESSAGE));
       updatePublishForm({ filePath: '', name: '' });
       return;
     }
-    }
     // @endif
 
     const publishFormParams: { filePath: string | WebFile, name?: string, optimize?: boolean } = {
+      // if electron, we'll set filePath to the path string because SDK is handling publishing.
+      // File.path will be undefined from web due to browser security, so it will default to the File Object.
       filePath: file.path || file,
     };
     // Strip off extention and replace invalid characters
@@ -232,6 +229,8 @@ function PublishFile(props: Props) {
     if (!isStillEditing) {
       publishFormParams.name = parsedFileName;
     }
+    // File path is not supported on web for security reasons so we use the name instead.
+    setCurrentFile(file.path || file.name);
     updatePublishForm(publishFormParams);
   }
 

ui/constants/icons.js

@@ -100,3 +100,4 @@ export const SLIDERS = 'Sliders';
 export const SCIENCE = 'Science';
 export const ANALYTICS = 'BarChart2';
 export const PURCHASED = 'Key';
+export const CIRCLE = 'Circle';

ui/constants/modal_types.js

@@ -3,6 +3,7 @@ export const CONFIRM_EXTERNAL_RESOURCE = 'confirm_external_resource';
 export const COMMENT_ACKNOWEDGEMENT = 'comment_acknowlegement';
 export const INCOMPATIBLE_DAEMON = 'incompatible_daemon';
 export const FILE_TIMEOUT = 'file_timeout';
+export const FILE_SELECTION = 'file_selection';
 export const DOWNLOADING = 'downloading';
 export const AUTO_GENERATE_THUMBNAIL = 'auto_generate_thumbnail';
 export const AUTO_UPDATE_DOWNLOADED = 'auto_update_downloaded';

ui/effects/use-drag-drop.js

@@ -0,0 +1,97 @@
+import React from 'react';
+
+const LISTENER = {
+  ADD: 'add',
+  REMOVE: 'remove',
+};
+
+const DRAG_TYPES = {
+  END: 'dragend',
+  START: 'dragstart',
+  ENTER: 'dragenter',
+  LEAVE: 'dragleave',
+};
+
+const DRAG_SCORE = {
+  [DRAG_TYPES.ENTER]: 1,
+  [DRAG_TYPES.LEAVE]: -1,
+};
+
+const DRAG_STATE = {
+  [DRAG_TYPES.END]: false,
+  [DRAG_TYPES.START]: true,
+};
+
+// Returns simple detection for global drag-drop
+export default function useFetched() {
+  const [drag, setDrag] = React.useState(false);
+  const [dropData, setDropData] = React.useState(null);
+
+  React.useEffect(() => {
+    let dragCount = 0;
+    let draggingElement = false;
+
+    // Handle file drop
+    const handleDropEvent = event => {
+      // Ignore non file types ( html elements / text )
+      if (!draggingElement) {
+        event.stopPropagation();
+        event.preventDefault();
+        // Get files
+        const files = event.dataTransfer.files;
+        // Check for files
+        if (files.length > 0) {
+          setDropData(event.dataTransfer);
+        }
+      }
+      // Reset state ( hide drop zone )
+      dragCount = 0;
+      setDrag(false);
+    };
+
+    // Drag event for non files type ( html elements / text )
+    const handleDragElementEvent = event => {
+      draggingElement = DRAG_STATE[event.type];
+    };
+
+    // Drag events
+    const handleDragEvent = event => {
+      event.stopPropagation();
+      event.preventDefault();
+      // Prevent multiple drop areas
+      dragCount += DRAG_SCORE[event.type];
+      // Dragged file enters the drop area
+      if (dragCount === 1 && !draggingElement && event.type === DRAG_TYPES.ENTER) {
+        setDrag(true);
+      }
+      // Dragged file leaves the drop area
+      if (dragCount === 0 && event.type === DRAG_TYPES.LEAVE) {
+        setDrag(false);
+      }
+    };
+
+    // Register / Unregister listeners
+    const handleEventListeners = event => {
+      const action = `${event}EventListener`;
+      // Handle drop event
+      document[action]('drop', handleDropEvent);
+      // Handle drag events
+      document[action](DRAG_TYPES.ENTER, handleDragEvent);
+      document[action](DRAG_TYPES.LEAVE, handleDragEvent);
+      // Handle non files drag events
+      document[action](DRAG_TYPES.END, handleDragElementEvent);
+      document[action](DRAG_TYPES.START, handleDragElementEvent);
+    };
+    // On component mounted:
+    // Register event listeners
+    handleEventListeners(LISTENER.ADD);
+
+    // On component unmounted:
+    return () => {
+      // Unregister event listeners
+      handleEventListeners(LISTENER.REMOVE);
+    };
+  }, []);
+
+  return { drag, dropData };
+}

ui/modal/modalFileSelection/index.js

@@ -0,0 +1,12 @@
+import { connect } from 'react-redux';
+import { doHideModal } from 'redux/actions/app';
+import { doUpdatePublishForm } from 'lbry-redux';
+
+import ModaFileSelection from './view';
+
+const perform = dispatch => ({
+  hideModal: props => dispatch(doHideModal(props)),
+  updatePublishForm: value => dispatch(doUpdatePublishForm(value)),
+});
+
+export default connect(null, perform)(ModaFileSelection);

ui/modal/modalFileSelection/view.jsx

@@ -0,0 +1,77 @@
+// @flow
+import * as ICONS from 'constants/icons';
+import * as PAGES from 'constants/pages';
+import React from 'react';
+import { Modal } from 'modal/modal';
+import { withRouter } from 'react-router';
+import Card from 'component/common/card';
+import Button from 'component/button';
+import FileList from 'component/common/file-list';
+
+type Props = {
+  files: Array<WebFile>,
+  hideModal: () => void,
+  updatePublishForm: ({}) => void,
+  history: {
+    location: { pathname: string },
+    push: string => void,
+  },
+};
+
+const PUBLISH_URL = `/$/${PAGES.PUBLISH}`;
+
+const ModalFileSelection = (props: Props) => {
+  const { history, files, hideModal, updatePublishForm } = props;
+  const [selectedFile, setSelectedFile] = React.useState(null);
+
+  const navigateToPublish = React.useCallback(() => {
+    // Navigate only if location is not publish area:
+    // - Prevent spam in history
+    if (history.location.pathname !== PUBLISH_URL) {
+      history.push(PUBLISH_URL);
+    }
+  }, [history]);
+
+  function handleCloseModal() {
+    hideModal();
+    setSelectedFile(null);
+  }
+
+  function handleSubmit() {
+    updatePublishForm({ filePath: selectedFile });
+    handleCloseModal();
+    navigateToPublish();
+  }
+
+  const handleFileChange = (file?: WebFile) => {
+    setSelectedFile(file);
+  };
+
+  return (
+    <Modal isOpen type="card" onAborted={handleCloseModal} onConfirmed={handleCloseModal}>
+      <Card
+        icon={ICONS.PUBLISH}
+        title={__('Choose a file')}
+        subtitle={__('Only one file is allowed, choose wisely:')}
+        actions={
+          <div>
+            <div>
+              <FileList files={files} onChange={handleFileChange} />
+            </div>
+            <div className="section__actions">
+              <Button
+                disabled={!selectedFile || !files || !files.length}
+                button="primary"
+                label={__('Accept')}
+                onClick={handleSubmit}
+              />
+              <Button button="link" label={__('Cancel')} onClick={handleCloseModal} />
+            </div>
+          </div>
+        }
+      />
+    </Modal>
+  );
+};
+
+export default withRouter(ModalFileSelection);

ui/modal/modalRouter/view.jsx

@@ -39,6 +39,7 @@ import ModalRepost from 'modal/modalRepost';
 import ModalSignOut from 'modal/modalSignOut';
 import ModalLiquidateSupports from 'modal/modalSupportsLiquidate';
 import ModalConfirmAge from 'modal/modalConfirmAge';
+import ModalFileSelection from 'modal/modalFileSelection';
 
 type Props = {
   modal: { id: string, modalProps: {} },
@@ -140,6 +141,8 @@ function ModalRouter(props: Props) {
       return <ModalLiquidateSupports {...modalProps} />;
     case MODALS.CONFIRM_AGE:
       return <ModalConfirmAge {...modalProps} />;
+    case MODALS.FILE_SELECTION:
+      return <ModalFileSelection {...modalProps} />;
     default:
       return null;
   }

ui/scss/all.scss

@@ -18,6 +18,8 @@
 @import 'component/embed-player';
 @import 'component/expandable';
 @import 'component/expanding-details';
+@import 'component/file-drop';
+@import 'component/file-list';
 @import 'component/file-properties';
 @import 'component/file-render';
 @import 'component/footer';

ui/scss/component/_file-drop.scss

@@ -0,0 +1,39 @@
+.file-drop {
+  top: 0;
+  left: 0;
+  position: fixed;
+  background: var(--color-background-overlay);
+  opacity: 0;
+  height: 100%;
+  width: 100%;
+  overflow: hidden;
+  pointer-events: none;
+  z-index: 5;
+  transition: opacity 0.3s ease;
+
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  &.file-drop--show {
+    opacity: 1;
+    pointer-events: all;
+    transition: opacity 0.3s ease;
+  }
+
+  .file-drop__area {
+    display: flex;
+    min-width: 400px;
+    align-items: center;
+    flex-direction: column;
+    padding: var(--spacing-large);
+
+    .main-icon {
+      margin: var(--spacing-small);
+    }
+
+    p {
+      margin-bottom: var(--spacing-large);
+    }
+  }
+}

ui/scss/component/_file-list.scss

@@ -0,0 +1,6 @@
+.file-list {
+  width: 100%;
+  overflow: auto;
+  max-height: 220px;
+  padding: var(--spacing-small);
+}

ui/util/web-file-system.js

@@ -0,0 +1,73 @@
+// Some functions to work with the new html5 file system API:
+
+// Wrapper for webkitGetAsEntry
+// Note: webkitGetAsEntry might be renamed to GetAsEntry
+const getAsEntry = item => {
+  if (item.kind === 'file' && item.webkitGetAsEntry) {
+    return item.webkitGetAsEntry();
+  }
+};
+
+// Get file object from fileEntry
+const getFile = fileEntry => new Promise((resolve, reject) => fileEntry.file(resolve, reject));
+
+// Read entries from directory
+const readDirectory = directory => {
+  // Some browsers don't support this
+  if (directory.createReader !== undefined) {
+    let dirReader = directory.createReader();
+    return new Promise((resolve, reject) => dirReader.readEntries(resolve, reject));
+  }
+};
+
+// Get file system entries from the dataTransfer items list:
+
+const getFiles = (items, directoryEntries = false) => {
+  let entries = [];
+
+  for (let item of items) {
+    const entry = directoryEntries ? item : getAsEntry(item);
+    if (entry && entry.isFile) {
+      const file = getFile(entry);
+      entries.push(file);
+    }
+  }
+
+  return Promise.all(entries);
+};
+
+// Generate a valid file tree from dataTransfer:
+// - Ignores directory entries
+// - Ignores recursive search
+export const getTree = async dataTransfer => {
+  if (dataTransfer) {
+    const { items, files } = dataTransfer;
+    // Handle single item drop
+    if (files.length === 1) {
+      const root = getAsEntry(items[0]);
+      // Handle entry
+      if (root) {
+        // Handle directory
+        if (root.isDirectory) {
+          const directoryEntries = await readDirectory(root);
+          // Get each file from the list
+          return getFiles(directoryEntries, true);
+        }
+        // Hanlde file
+        if (root.isFile) {
+          const file = await getFile(root);
+          return [file];
+        }
+      } else {
+        // Some files have hidden dataTransfer items:
+        // Use the default file object instead
+        return files;
+      }
+    }
+    // Handle multiple items drop
+    if (files.length > 1) {
+      // Convert items to fileEntry and filter files
+      return getFiles(items);
+    }
+  }
+};