Add scaffolding for media gallery

styleguide.config.js

@@ -12,6 +12,11 @@ module.exports = {
       description: 'Everything necessary to render a conversation',
       components: 'ts/components/conversation/*.tsx',
     },
+    {
+      name: 'Media Gallery',
+      description: 'Display media and documents in a conversation',
+      components: 'ts/components/conversation/media-gallery/*.tsx',
+    },
     {
       name: 'Utility',
       description: 'Utility components used across the application',

ts/components/conversation/media-gallery/AttachmentListSection.tsx

@@ -0,0 +1,56 @@
+import React from 'react';
+
+import { ImageThumbnail } from './ImageThumbnail';
+import { DocumentListEntry } from './DocumentListEntry';
+import { Message } from './propTypes/Message';
+
+const styles = {
+  container: {
+    width: '100%',
+  },
+  header: {
+    fontFamily: '',
+  },
+  itemContainer: {
+    display: 'flex',
+    flexDirection: 'row',
+    flexWrap: 'wrap',
+    justifyContent: 'flex-start',
+    alignItems: 'flex-start',
+  } as React.CSSProperties,
+};
+
+interface Props {
+  i18n: (value: string) => string;
+  header?: string;
+  type: 'media' | 'documents';
+  messages: Array<Message>;
+}
+
+export class AttachmentListSection extends React.Component<Props, {}> {
+  public renderItems() {
+    const { i18n, messages, type } = this.props;
+    const Component = type === 'media' ? ImageThumbnail : DocumentListEntry;
+
+    return messages.map((message) => (
+      <Component
+        key={message.id}
+        i18n={i18n}
+        message={message}
+      />
+    ));
+  }
+
+  public render() {
+    const { header } = this.props;
+
+    return (
+      <div style={styles.container}>
+        <div style={styles.header}>{header}</div>
+        <div style={styles.itemContainer}>
+          {this.renderItems()}
+        </div>
+      </div>
+    );
+  }
+}

ts/components/conversation/media-gallery/DocumentListEntry.md

@@ -0,0 +1,19 @@
+DocumentListEntry example:
+
+```js
+<DocumentListEntry
+  fileName="meow.jpg"
+  fileSize={1024 * 1000 * 2}
+  timestamp={Date.now()}
+/>
+<DocumentListEntry
+  fileName="rickroll.wmv"
+  fileSize={1024 * 1000 * 8}
+  timestamp={Date.now() - 24 * 60 * 1000}
+/>
+<DocumentListEntry
+  fileName="kitten.gif"
+  fileSize={1024 * 1000 * 1.2}
+  timestamp={Date.now() - 14 * 24 * 60 * 1000}
+/>
+```

ts/components/conversation/media-gallery/DocumentListEntry.tsx

@@ -0,0 +1,97 @@
+import React from 'react';
+
+import moment from 'moment';
+import formatFileSize from 'filesize';
+
+// import { LoadingIndicator } from './LoadingIndicator';
+
+
+interface Props {
+  fileName: string | null;
+  fileSize?: number;
+  i18n: (key: string, values?: Array<string>) => string;
+  timestamp: number;
+}
+
+const styles = {
+  container: {
+    width: '100%',
+    height: 72,
+    borderBottomWidth: 1,
+    borderBottomColor: '#ccc',
+    borderBottomStyle: 'solid',
+  },
+  itemContainer: {
+    display: 'flex',
+    flexDirection: 'row',
+    flexWrap: 'nowrap',
+    alignItems: 'center',
+    height: '100%',
+  } as React.CSSProperties,
+  itemMetadata: {
+    display: 'inline-flex',
+    flexDirection: 'column',
+    flexGrow: 1,
+    flexShrink: 0,
+    marginLeft: 8,
+    marginRight: 8,
+  } as React.CSSProperties,
+  itemDate: {
+    display: 'inline-block',
+    flexShrink: 0,
+  },
+  itemIcon: {
+    flexShrink: 0,
+  },
+  itemFileSize: {
+    display: 'inline-block',
+    marginTop: 8,
+    fontSize: '80%',
+  },
+};
+
+export class DocumentListEntry extends React.Component<Props, {}> {
+  public renderContent() {
+    const { fileName, fileSize, timestamp } = this.props;
+
+    // if (!attachment.data) {
+    //   return <LoadingIndicator />;
+    // }
+
+    return (
+      <div
+        style={styles.itemContainer}
+      >
+        <img
+          src="images/file.svg"
+          width="48"
+          height="48"
+          style={styles.itemIcon}
+        />
+        <div
+          style={styles.itemMetadata}
+        >
+          <strong>{fileName}</strong>
+          <span
+            style={styles.itemFileSize}
+          >
+            {typeof fileSize === 'number' ? formatFileSize(fileSize) : ''}
+          </span>
+        </div>
+        <div
+          style={styles.itemDate}
+        >
+          {moment(timestamp).format('dddd, MMMM D, Y')}
+        </div>
+      </div>
+    );
+  }
+
+  public render() {
+    return (
+      <div style={styles.container}>
+        {this.renderContent()}
+      </div>
+    );
+  }
+}

ts/components/conversation/media-gallery/ImageThumbnail.tsx

@@ -0,0 +1,44 @@
+import React from 'react';
+
+import { LoadingIndicator } from './LoadingIndicator';
+import { Message } from './propTypes/Message';
+
+interface Props {
+  message: Message;
+  i18n: (value: string) => string;
+}
+
+const styles = {
+  container: {
+    backgroundColor: '#f3f3f3',
+    marginRight: 4,
+    marginBottom: 4,
+    width: 94,
+    height: 94,
+  },
+};
+
+export class ImageThumbnail extends React.Component<Props, {}> {
+  public renderContent() {
+    const { i18n, message } = this.props;
+
+    if (!message.imageUrl) {
+      return <LoadingIndicator />;
+    }
+
+    return (
+      <img
+        src={message.imageUrl}
+        alt={`${i18n('messageCaption')}: ${message.body}`}
+      />
+    );
+  }
+
+  public render() {
+    return (
+      <div style={styles.container}>
+        {this.renderContent()}
+      </div>
+    );
+  }
+}

ts/components/conversation/media-gallery/LoadingIndicator.tsx

@@ -0,0 +1,13 @@
+import React from 'react';
+
+export const LoadingIndicator = () => {
+  return (
+    <div className="loading-widget">
+      <div className="container">
+        <span className="dot" />
+        <span className="dot" />
+        <span className="dot" />
+      </div>
+    </div>
+  );
+};

ts/components/conversation/media-gallery/MediaGallery.md

@@ -0,0 +1,33 @@
+```jsx
+const YEAR_MS = 1 * 12 * 30 * 24 * 60 * 60 * 1000;
+const tokens = ['foo', 'bar', 'baz', 'qux', 'quux'];
+const fileExtensions = ['docx', 'pdf', 'txt', 'mp3', 'wmv', 'tiff'];
+const createRandomMessage = (props) => {
+  const now = Date.now();
+  const fileName =
+    `${_.sample(tokens)}${_.sample(tokens)}.${_.sample(fileExtensions)}`;
+  return {
+    id: _.random(now).toString(),
+    received_at: _.random(now - YEAR_MS, now),
+    attachments: [{
+      fileName,
+      data: null,
+    }],
+
+    // TODO: Revisit
+    imageUrl: 'https://placekitten.com/94/94',
+    ...props,
+  };
+};
+
+const startTime = Date.now();
+const messages = _.sortBy(
+  _.range(30).map(createRandomMessage),
+  message => -message.received_at
+);
+
+<MediaGallery
+  i18n={(key) => key}
+  messages={messages}
+/>
+```

ts/components/conversation/media-gallery/MediaGallery.tsx

@@ -1,13 +1,112 @@
 import React from 'react';
 
+import { AttachmentListSection } from './AttachmentListSection';
+import { Message } from './propTypes/Message';
+
+
+type AttachmentType = 'media' | 'documents';
+
 interface Props {
-  number: number;
+  i18n: (key: string, values?: Array<string>) => string;
+  messages: Array<Message>;
+}
+
+interface State {
+  selectedTab: AttachmentType;
 }
 
-export class MediaGallery extends React.Component<Props, {}> {
+const COLOR_GREY = '#f3f3f3';
+
+const tabStyle = {
+  width: '100%',
+  backgroundColor: COLOR_GREY,
+  padding: 20,
+  textAlign: 'center',
+};
+
+const styles = {
+  tabContainer: {
+    cursor: 'pointer',
+    display: 'flex',
+    width: '100%',
+  },
+  tab: {
+    default: tabStyle,
+    active: {
+      ...tabStyle,
+      borderBottom: '2px solid #08f',
+    },
+  },
+  attachmentsContainer: {
+    padding: 20,
+  },
+};
+
+interface TabSelectEvent {
+  type: AttachmentType;
+}
+
+const Tab = ({
+  isSelected,
+  label,
+  onSelect,
+  type,
+}: {
+  isSelected: boolean,
+  label: string,
+  onSelect?: (event: TabSelectEvent) => void,
+  type: AttachmentType,
+}) => {
+  const handleClick = onSelect ?
+    () => onSelect({ type }) : undefined;
+
+  return (
+    <div
+      style={isSelected ? styles.tab.active : styles.tab.default}
+      onClick={handleClick}
+    >
+      {label}
+    </div>
+  );
+};
+
+
+export class MediaGallery extends React.Component<Props, State> {
+  public state: State = {
+    selectedTab: 'media',
+  };
+
   public render() {
+    const { selectedTab } = this.state;
+
     return (
-      <div>Hello Media Gallery! Number: {this.props.number}</div>
+      <div>
+        <div style={styles.tabContainer}>
+          <Tab
+            label="Media"
+            type="media"
+            isSelected={selectedTab === 'media'}
+            onSelect={this.handleTabSelect}
+          />
+          <Tab
+            label="Documents"
+            type="documents"
+            isSelected={selectedTab === 'documents'}
+            onSelect={this.handleTabSelect}
+          />
+        </div>
+        <div style={styles.attachmentsContainer}>
+          <AttachmentListSection
+            type={selectedTab}
+            i18n={this.props.i18n}
+            messages={this.props.messages}
+          />
+        </div>
+      </div>
     );
   }
+
+  private handleTabSelect = (event: TabSelectEvent): void => {
+    this.setState({selectedTab: event.type});
+  }
 }

ts/components/conversation/media-gallery/propTypes/Message.tsx

@@ -0,0 +1,12 @@
+export interface Message {
+  id: string;
+  body?: string;
+  received_at: number;
+  attachments: Array<{
+    data?: ArrayBuffer;
+    fileName?: string;
+  }>;
+
+  // TODO: Revisit
+  imageUrl: string;
+}

ts/types/Attachment.ts

@@ -19,7 +19,7 @@ export interface Attachment {
   // key?: ArrayBuffer;
   // digest?: ArrayBuffer;
   // flags?: number;
-};
+}
 
 export const isVisualMedia = (attachment: Attachment): boolean => {
   const { contentType } = attachment;