Made modal system more generic

app/assets/javascripts/components/actions/modal.jsx

-export const MEDIA_OPEN  = 'MEDIA_OPEN';
+export const MODAL_OPEN  = 'MODAL_OPEN';
 export const MODAL_CLOSE = 'MODAL_CLOSE';
 
-export const MODAL_INDEX_DECREASE = 'MODAL_INDEX_DECREASE';
-export const MODAL_INDEX_INCREASE = 'MODAL_INDEX_INCREASE';
-
-export function openMedia(media, index) {
+export function openModal(type, props) {
   return {
-    type: MEDIA_OPEN,
-    media,
-    index
+    type: MODAL_OPEN,
+    modalType: type,
+    modalProps: props
   };
 };
 
@@ -17,15 +14,3 @@ export function closeModal() {
     type: MODAL_CLOSE
   };
 };
-
-export function decreaseIndexInModal() {
-  return {
-    type: MODAL_INDEX_DECREASE
-  };
-};
-
-export function increaseIndexInModal() {
-  return {
-    type: MODAL_INDEX_INCREASE
-  };
-};

app/assets/javascripts/components/components/lightbox.jsx

-import PureRenderMixin from 'react-addons-pure-render-mixin';
-import IconButton from './icon_button';
-import { Motion, spring } from 'react-motion';
-import { injectIntl } from 'react-intl';
-
-const overlayStyle = {
-  position: 'fixed',
-  top: '0',
-  left: '0',
-  width: '100%',
-  height: '100%',
-  background: 'rgba(0, 0, 0, 0.5)',
-  display: 'flex',
-  justifyContent: 'center',
-  alignContent: 'center',
-  flexDirection: 'row',
-  zIndex: '9999'
-};
-
-const dialogStyle = {
-  color: '#282c37',
-  boxShadow: '0 0 30px rgba(0, 0, 0, 0.8)',
-  margin: 'auto',
-  position: 'relative'
-};
-
-const closeStyle = {
-  position: 'absolute',
-  top: '4px',
-  right: '4px'
-};
-
-const Lightbox = React.createClass({
-
-  propTypes: {
-    isVisible: React.PropTypes.bool,
-    onOverlayClicked: React.PropTypes.func,
-    onCloseClicked: React.PropTypes.func,
-    intl: React.PropTypes.object.isRequired,
-    children: React.PropTypes.node
-  },
-
-  mixins: [PureRenderMixin],
-
-  componentDidMount () {
-    this._listener = e => {
-      if (this.props.isVisible && e.key === 'Escape') {
-        this.props.onCloseClicked();
-      }
-    };
-
-    window.addEventListener('keyup', this._listener);
-  },
-
-  componentWillUnmount () {
-    window.removeEventListener('keyup', this._listener);
-  },
-
-  stopPropagation (e) {
-    e.stopPropagation();
-  },
-
-  render () {
-    const { intl, isVisible, onOverlayClicked, onCloseClicked, children } = this.props;
-
-    return (
-      <Motion defaultStyle={{ backgroundOpacity: 0, opacity: 0, y: -400 }} style={{ backgroundOpacity: spring(isVisible ? 50 : 0), opacity: isVisible ? spring(200) : 0, y: spring(isVisible ? 0 : -400, { stiffness: 150, damping: 12 }) }}>
-        {({ backgroundOpacity, opacity, y }) =>
-          <div className='lightbox' style={{...overlayStyle, background: `rgba(0, 0, 0, ${backgroundOpacity / 100})`, display: Math.floor(backgroundOpacity) === 0 ? 'none' : 'flex', pointerEvents: !isVisible ? 'none' : 'auto'}} onClick={onOverlayClicked}>
-            <div style={{...dialogStyle, transform: `translateY(${y}px)`, opacity: opacity / 100 }} onClick={this.stopPropagation}>
-              <IconButton title={intl.formatMessage({ id: 'lightbox.close', defaultMessage: 'Close' })} icon='times' onClick={onCloseClicked} size={16} style={closeStyle} />
-              {children}
-            </div>
-          </div>
-        }
-      </Motion>
-    );
-  }
-
-});
-
-export default injectIntl(Lightbox);

app/assets/javascripts/components/containers/status_container.jsx

@@ -17,7 +17,7 @@ import {
 } from '../actions/accounts';
 import { deleteStatus } from '../actions/statuses';
 import { initReport } from '../actions/reports';
-import { openMedia } from '../actions/modal';
+import { openModal } from '../actions/modal';
 import { createSelector } from 'reselect'
 import { isMobile } from '../is_mobile'
 
@@ -63,7 +63,7 @@ const mapDispatchToProps = (dispatch) => ({
   },
 
   onOpenMedia (media, index) {
-    dispatch(openMedia(media, index));
+    dispatch(openModal('MEDIA', { media, index }));
   },
 
   onBlock (account) {

app/assets/javascripts/components/features/status/index.jsx

@@ -28,7 +28,7 @@ import {
 import { ScrollContainer } from 'react-router-scroll';
 import ColumnBackButton from '../../components/column_back_button';
 import StatusContainer from '../../containers/status_container';
-import { openMedia } from '../../actions/modal';
+import { openModal } from '../../actions/modal';
 import { isMobile } from '../../is_mobile'
 
 const makeMapStateToProps = () => {
@@ -99,7 +99,7 @@ const Status = React.createClass({
   },
 
   handleOpenMedia (media, index) {
-    this.props.dispatch(openMedia(media, index));
+    this.props.dispatch(openModal('MEDIA', { media, index }));
   },
 
   handleReport (status) {

app/assets/javascripts/components/features/ui/components/media_modal.jsx

+import Lightbox from '../../../components/lightbox';
+import LoadingIndicator from '../../../components/loading_indicator';
+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ExtendedVideoPlayer from '../../../components/extended_video_player';
+import ImageLoader from 'react-imageloader';
+import { defineMessages, injectIntl } from 'react-intl';
+import IconButton from '../../../components/icon_button';
+
+const messages = defineMessages({
+  close: { id: 'lightbox.close', defaultMessage: 'Close' }
+});
+
+const leftNavStyle = {
+  position: 'absolute',
+  background: 'rgba(0, 0, 0, 0.5)',
+  padding: '30px 15px',
+  cursor: 'pointer',
+  fontSize: '24px',
+  top: '0',
+  left: '-61px',
+  boxSizing: 'border-box',
+  height: '100%',
+  display: 'flex',
+  alignItems: 'center'
+};
+
+const rightNavStyle = {
+  position: 'absolute',
+  background: 'rgba(0, 0, 0, 0.5)',
+  padding: '30px 15px',
+  cursor: 'pointer',
+  fontSize: '24px',
+  top: '0',
+  right: '-61px',
+  boxSizing: 'border-box',
+  height: '100%',
+  display: 'flex',
+  alignItems: 'center'
+};
+
+const closeStyle = {
+  position: 'absolute',
+  top: '4px',
+  right: '4px'
+};
+
+const MediaModal = React.createClass({
+
+  propTypes: {
+    media: ImmutablePropTypes.list.isRequired,
+    index: React.PropTypes.number.isRequired,
+    onClose: React.PropTypes.func.isRequired,
+    intl: React.PropTypes.object.isRequired
+  },
+
+  getInitialState () {
+    return {
+      index: null
+    };
+  },
+
+  mixins: [PureRenderMixin],
+
+  handleNextClick () {
+    this.setState({ index: (this.getIndex() + 1) % this.props.media.size});
+  },
+
+  handlePrevClick () {
+    this.setState({ index: (this.getIndex() - 1) % this.props.media.size});
+  },
+
+  handleKeyUp (e) {
+    switch(e.key) {
+    case 'ArrowLeft':
+      this.handlePrevClick();
+      break;
+    case 'ArrowRight':
+      this.handleNextClick();
+      break;
+    }
+  },
+
+  componentDidMount () {
+    window.addEventListener('keyup', this.handleKeyUp, false);
+  },
+
+  componentWillUnmount () {
+    window.removeEventListener('keyup', this.handleKeyUp);
+  },
+
+  getIndex () {
+    return this.state.index !== null ? this.state.index : this.props.index;
+  },
+
+  render () {
+    const { media, intl, onClose } = this.props;
+
+    const index = this.getIndex();
+    const attachment = media.get(index);
+    const url = attachment.get('url');
+
+    let leftNav, rightNav, content;
+
+    leftNav = rightNav = content = '';
+
+    if (media.size > 1) {
+      leftNav  = <div style={leftNavStyle} className='modal-container__nav' onClick={this.handlePrevClick}><i className='fa fa-fw fa-chevron-left' /></div>;
+      rightNav = <div style={rightNavStyle} className='modal-container__nav' onClick={this.handleNextClick}><i className='fa fa-fw fa-chevron-right' /></div>;
+    }
+
+    if (attachment.get('type') === 'image') {
+      content = <ImageLoader src={url} imgProps={{ style: { display: 'block' } }} />;
+    } else if (attachment.get('type') === 'gifv') {
+      content = <ExtendedVideoPlayer src={url} />;
+    }
+
+    return (
+      <div className='modal-root__modal media-modal'>
+        {leftNav}
+
+        <div>
+          <IconButton title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={16} style={closeStyle} />
+          {content}
+        </div>
+
+        {rightNav}
+      </div>
+    );
+  }
+
+});
+
+export default injectIntl(MediaModal);

app/assets/javascripts/components/features/ui/components/modal_root.jsx

+import PureRenderMixin from 'react-addons-pure-render-mixin';
+import MediaModal from './media_modal';
+import { TransitionMotion, spring } from 'react-motion';
+
+const MODAL_COMPONENTS = {
+  'MEDIA': MediaModal
+};
+
+const ModalRoot = React.createClass({
+
+  propTypes: {
+    type: React.PropTypes.string,
+    props: React.PropTypes.object,
+    onClose: React.PropTypes.func.isRequired
+  },
+
+  mixins: [PureRenderMixin],
+
+  handleKeyUp (e) {
+    if (e.key === 'Escape' && !!this.props.type) {
+      this.props.onClose();
+    }
+  },
+
+  componentDidMount () {
+    window.addEventListener('keyup', this.handleKeyUp, false);
+  },
+
+  componentWillUnmount () {
+    window.removeEventListener('keyup', this.handleKeyUp);
+  },
+
+  willEnter () {
+    return { opacity: 0, scale: 0.98 };
+  },
+
+  willLeave () {
+    return { opacity: spring(0), scale: spring(0.98) };
+  },
+
+  render () {
+    const { type, props, onClose } = this.props;
+    const items = [];
+
+    if (!!type) {
+      items.push({
+        key: type,
+        data: { type, props },
+        style: { opacity: spring(1), scale: spring(1, { stiffness: 120, damping: 14 }) }
+      });
+    }
+
+    return (
+      <TransitionMotion
+        styles={items}
+        willEnter={this.willEnter}
+        willLeave={this.willLeave}>
+        {interpolatedStyles =>
+          <div className='modal-root'>
+            {interpolatedStyles.map(({ key, data: { type, props }, style }) => {
+              const SpecificComponent = MODAL_COMPONENTS[type];
+
+              return (
+                <div key={key}>
+                  <div className='modal-root__overlay' style={{ opacity: style.opacity, transform: `translateZ(0px)` }} onClick={onClose} />
+                  <div className='modal-root__container' style={{ opacity: style.opacity, transform: `translateZ(0px) scale(${style.scale})` }}>
+                    <SpecificComponent {...props} onClose={onClose} />
+                  </div>
+                </div>
+              );
+            })}
+          </div>
+        }
+      </TransitionMotion>
+    );
+  }
+
+});
+
+export default ModalRoot;

app/assets/javascripts/components/features/ui/containers/modal_container.jsx

 import { connect } from 'react-redux';
-import {
-  closeModal,
-  decreaseIndexInModal,
-  increaseIndexInModal
-} from '../../../actions/modal';
-import Lightbox from '../../../components/lightbox';
-import ImageLoader from 'react-imageloader';
-import LoadingIndicator from '../../../components/loading_indicator';
-import PureRenderMixin from 'react-addons-pure-render-mixin';
-import ImmutablePropTypes from 'react-immutable-proptypes';
-import ExtendedVideoPlayer from '../../../components/extended_video_player';
+import { closeModal } from '../../../actions/modal';
+import ModalRoot from '../components/modal_root';
 
 const mapStateToProps = state => ({
-  media: state.getIn(['modal', 'media']),
-  index: state.getIn(['modal', 'index']),
-  isVisible: state.getIn(['modal', 'open'])
+  type: state.get('modal').modalType,
+  props: state.get('modal').modalProps
 });
 
 const mapDispatchToProps = dispatch => ({
-  onCloseClicked () {
+  onClose () {
     dispatch(closeModal());
   },
-
-  onOverlayClicked () {
-    dispatch(closeModal());
-  },
-
-  onNextClicked () {
-    dispatch(increaseIndexInModal());
-  },
-
-  onPrevClicked () {
-    dispatch(decreaseIndexInModal());
-  }
-});
-
-const imageStyle = {
-  display: 'block',
-  maxWidth: '80vw',
-  maxHeight: '80vh'
-};
-
-const loadingStyle = {
-  width: '400px',
-  paddingBottom: '120px'
-};
-
-const preloader = () => (
-  <div className='modal-container--preloader' style={loadingStyle}>
-    <LoadingIndicator />
-  </div>
-);
-
-const leftNavStyle = {
-  position: 'absolute',
-  background: 'rgba(0, 0, 0, 0.5)',
-  padding: '30px 15px',
-  cursor: 'pointer',
-  fontSize: '24px',
-  top: '0',
-  left: '-61px',
-  boxSizing: 'border-box',
-  height: '100%',
-  display: 'flex',
-  alignItems: 'center'
-};
-
-const rightNavStyle = {
-  position: 'absolute',
-  background: 'rgba(0, 0, 0, 0.5)',
-  padding: '30px 15px',
-  cursor: 'pointer',
-  fontSize: '24px',
-  top: '0',
-  right: '-61px',
-  boxSizing: 'border-box',
-  height: '100%',
-  display: 'flex',
-  alignItems: 'center'
-};
-
-const Modal = React.createClass({
-
-  propTypes: {
-    media: ImmutablePropTypes.list,
-    index: React.PropTypes.number.isRequired,
-    isVisible: React.PropTypes.bool,
-    onCloseClicked: React.PropTypes.func,
-    onOverlayClicked: React.PropTypes.func,
-    onNextClicked: React.PropTypes.func,
-    onPrevClicked: React.PropTypes.func
-  },
-
-  mixins: [PureRenderMixin],
-
-  handleNextClick () {
-    this.props.onNextClicked();
-  },
-
-  handlePrevClick () {
-    this.props.onPrevClicked();
-  },
-
-  componentDidMount () {
-    this._listener = e => {
-      if (!this.props.isVisible) {
-        return;
-      }
-
-      switch(e.key) {
-      case 'ArrowLeft':
-        this.props.onPrevClicked();
-        break;
-      case 'ArrowRight':
-        this.props.onNextClicked();
-        break;
-      }
-    };
-
-    window.addEventListener('keyup', this._listener);
-  },
-
-  componentWillUnmount () {
-    window.removeEventListener('keyup', this._listener);
-  },
-
-  render () {
-    const { media, index, ...other } = this.props;
-
-    if (!media) {
-      return null;
-    }
-
-    const attachment = media.get(index);
-    const url = attachment.get('url');
-
-    let leftNav, rightNav, content;
-
-    leftNav = rightNav = content = '';
-
-    if (media.size > 1) {
-      leftNav  = <div style={leftNavStyle} className='modal-container--nav' onClick={this.handlePrevClick}><i className='fa fa-fw fa-chevron-left' /></div>;
-      rightNav = <div style={rightNavStyle} className='modal-container--nav' onClick={this.handleNextClick}><i className='fa fa-fw fa-chevron-right' /></div>;
-    }
-
-    if (attachment.get('type') === 'image') {
-      content = (
-        <ImageLoader
-          src={url}
-          preloader={preloader}
-          imgProps={{ style: imageStyle }}
-        />
-      );
-    } else if (attachment.get('type') === 'gifv') {
-      content = <ExtendedVideoPlayer src={url} />;
-    }
-
-    return (
-      <Lightbox {...other}>
-        {leftNav}
-        {content}
-        {rightNav}
-      </Lightbox>
-    );
-  }
-
 });
 
-export default connect(mapStateToProps, mapDispatchToProps)(Modal);
+export default connect(mapStateToProps, mapDispatchToProps)(ModalRoot);

app/assets/javascripts/components/features/ui/index.jsx

@@ -47,7 +47,9 @@ const UI = React.createClass({
       this.dragTargets.push(e.target);
     }
 
-    this.setState({ draggingOver: true });
+    if (e.dataTransfer && e.dataTransfer.files.length > 0) {
+      this.setState({ draggingOver: true });
+    }
   },
 
   handleDragOver (e) {

app/assets/javascripts/components/reducers/modal.jsx

-import {
-  MEDIA_OPEN,
-  MODAL_CLOSE,
-  MODAL_INDEX_DECREASE,
-  MODAL_INDEX_INCREASE
-} from '../actions/modal';
+import { MODAL_OPEN, MODAL_CLOSE } from '../actions/modal';
 import Immutable from 'immutable';
 
-const initialState = Immutable.Map({
-  media: null,
-  index: 0,
-  open: false
-});
+const initialState = {
+  modalType: null,
+  modalProps: {}
+};
 
 export default function modal(state = initialState, action) {
   switch(action.type) {
-  case MEDIA_OPEN:
-    return state.withMutations(map => {
-      map.set('media', action.media);
-      map.set('index', action.index);
-      map.set('open', true);
-    });
+  case MODAL_OPEN:
+    return { modalType: action.modalType, modalProps: action.modalProps };
   case MODAL_CLOSE:
-    return state.set('open', false);
-  case MODAL_INDEX_DECREASE:
-    return state.update('index', index => (index - 1) % state.get('media').size);
-  case MODAL_INDEX_INCREASE:
-    return state.update('index', index => (index + 1) % state.get('media').size);
+    return initialState;
   default:
     return state;
   }

app/assets/stylesheets/components.scss

@@ -1311,7 +1311,7 @@ button.active i.fa-retweet {
   color: $color3;
 }
 
-.modal-container--nav {
+.modal-container__nav {
   color: $color5;
 }
 
@@ -1848,3 +1848,47 @@ button.active i.fa-retweet {
     text-decoration: underline;
   }
 }
+
+.modal-root__overlay {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 9999;
+  opacity: 0;
+  background: rgba($color8, 0.7);
+}
+
+.modal-root__container {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  align-content: space-around;
+  z-index: 9999;
+  opacity: 0;
+  pointer-events: none;
+  user-select: none;
+}
+
+.modal-root__modal {
+  pointer-events: auto;
+  display: flex;
+}
+
+.media-modal {
+  max-width: 80vw;
+  max-height: 80vh;
+  position: relative;
+
+  img, video {
+    max-width: 80vw;
+    max-height: 80vh;
+  }
+}