pinafore/routes/_components/compose/ComposeToolbar.html

<div class="compose-box-toolbar">
  <IconButton
    label="Insert emoji"
    href="#fa-smile"
    on:click="onEmojiClick()"
  />
  <IconButton
    className="{{$uploadingMedia ? 'spin' : ''}}"
    label="Add media"
    href="{{$uploadingMedia ? '#fa-spinner' : '#fa-camera'}}"
    on:click="onMediaClick()"
    disabled="{{$uploadingMedia || (composeMedia.length === 4)}}"
  />
  <IconButton
    label="Adjust privacy (currently {{postPrivacy.label}})"
    href="{{postPrivacy.icon}}"
    on:click="onPostPrivacyClick()"
  />
  <IconButton
    label="Add content warning"
    href="#fa-exclamation-triangle"
  />
  <input ref:input
         on:change="onFileChange(event)"
         style="display: none;"
         type="file"
         accept=".jpg,.jpeg,.png,.gif,.webm,.mp4,.m4v,image/jpeg,image/png,image/gif,video/webm,video/mp4">
</div>
<style>
  .compose-box-toolbar {
    grid-area: toolbar;
    align-self: center;
    display: flex;
    align-items: center;
  }
</style>
<script>
  import IconButton from '../IconButton.html'
  import { store } from '../../_store/store'
  import { updateCustomEmojiForInstance } from '../../_actions/emoji'
  import { importDialogs } from '../../_utils/asyncModules'
  import { doMediaUpload } from '../../_actions/media'
  import { POST_PRIVACY_OPTIONS } from '../../_static/statuses'

  export default {
    oncreate() {
      if (process.env.NODE_ENV !== 'production') {
        window.__fakeFileInput = (file) => {
          this.onFileChange({
            target: {
              files: [file]
            }
          })
        }
      }
    },
    components: {
      IconButton
    },
    store: () => store,
    methods: {
      async onEmojiClick() {
        /* no await */ updateCustomEmojiForInstance(this.store.get('currentInstance'))
        let dialogs = await importDialogs()
        dialogs.showEmojiDialog()
      },
      onMediaClick() {
        this.refs.input.click()
      },
      onFileChange(e) {
        let file = e.target.files[0]
        let realm = this.get('realm')
        doMediaUpload(realm, file)
      },
      async onPostPrivacyClick() {
        let dialogs = await importDialogs()
        dialogs.showPostPrivacyDialog(this.get('realm'))
      }
    },
    computed: {
      composeData: ($currentComposeData, realm) => $currentComposeData[realm] || {},
      composeMedia: (composeData) => composeData.media || [],
      postPrivacy: (postPrivacyKey) => {
        return POST_PRIVACY_OPTIONS.find(_ => _.key === postPrivacyKey)
      },
      postPrivacyKey: (composeData, $currentVerifyCredentials) => {
        return composeData.postPrivacy || $currentVerifyCredentials.source.privacy
      }
    }
  }
</script>