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+/*
+
+`<ComposeAdvancedOptions>`
+==========================
+
+>   For more information on the contents of this file, please contact:
+>
+>   - surinna [@srn@dev.glitch.social]
+
+This adds an advanced options dropdown to the toot compose box, for
+toggles that don't necessarily fit elsewhere.
+
+__Props:__
+
+ -  __`values` (`ImmutablePropTypes.contains(…).isRequired`) :__
+    An Immutable map with the following values:
+
+     -  __`do_not_federate` (`PropTypes.bool.isRequired`) :__
+        Specifies whether or not to federate the status.
+
+ -  __`onChange` (`PropTypes.func.isRequired`) :__
+    The function to call when a toggle is changed. We pass this from
+    our container to the toggle.
+
+ -  __`intl` (`PropTypes.object.isRequired`) :__
+    Our internationalization object, inserted by `@injectIntl`.
+
+__State:__
+
+ -  __`open` :__
+    This tells whether the dropdown is currently open or closed.
+
+*/
+
+//  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+
+/*
+
+Imports:
+--------
+
+*/
+
+//  Package imports  //
+import React from 'react';
+import PropTypes from 'prop-types';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import { injectIntl, defineMessages } from 'react-intl';
+
+//  Mastodon imports  //
+import IconButton from '../../../../mastodon/components/icon_button';
+
+//  Our imports  //
+import ComposeAdvancedOptionsToggle from './toggle';
+
+//  * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+
+/*
+
+Inital setup:
+-------------
+
+The `messages` constant is used to define any messages that we need
+from inside props. These are the various titles and labels on our
+toggles.
+
+`iconStyle` styles the icon used for the dropdown button.
+
+*/
+
+const messages = defineMessages({
+  local_only_short            :
+    { id: 'advanced-options.local-only.short', defaultMessage: 'Local-only' },
+  local_only_long             :
+    { id: 'advanced-options.local-only.long', defaultMessage: 'Do not post to other instances' },
+  advanced_options_icon_title :
+    { id: 'advanced_options.icon_title', defaultMessage: 'Advanced options' },
+});
+
+const iconStyle = {
+  height     : null,
+  lineHeight : '27px',
+};
+
+/*
+
+Implementation:
+---------------
+
+*/
+
+@injectIntl
+export default class ComposeAdvancedOptions extends React.PureComponent {
+
+  static propTypes = {
+    values   : ImmutablePropTypes.contains({
+      do_not_federate : PropTypes.bool.isRequired,
+    }).isRequired,
+    onChange : PropTypes.func.isRequired,
+    intl     : PropTypes.object.isRequired,
+  };
+
+  state = {
+    open: false,
+  };
+
+/*
+
+###  `onToggleDropdown()`
+
+This function toggles the opening and closing of the advanced options
+dropdown.
+
+*/
+
+  onToggleDropdown = () => {
+    this.setState({ open: !this.state.open });
+  };
+
+/*
+
+###  `onGlobalClick(e)`
+
+This function closes the advanced options dropdown if you click
+anywhere else on the screen.
+
+*/
+
+  onGlobalClick = (e) => {
+    if (e.target !== this.node && !this.node.contains(e.target) && this.state.open) {
+      this.setState({ open: false });
+    }
+  }
+
+/*
+
+###  `componentDidMount()`, `componentWillUnmount()`
+
+This function closes the advanced options dropdown if you click
+anywhere else on the screen.
+
+*/
+
+  componentDidMount () {
+    window.addEventListener('click', this.onGlobalClick);
+    window.addEventListener('touchstart', this.onGlobalClick);
+  }
+  componentWillUnmount () {
+    window.removeEventListener('click', this.onGlobalClick);
+    window.removeEventListener('touchstart', this.onGlobalClick);
+  }
+
+/*
+
+###  `setRef(c)`
+
+`setRef()` stores a reference to the dropdown's `<div> in `this.node`.
+
+*/
+
+  setRef = (c) => {
+    this.node = c;
+  }
+
+/*
+
+###  `render()`
+
+`render()` actually puts our component on the screen.
+
+*/
+
+  render () {
+    const { open } = this.state;
+    const { intl, values } = this.props;
+
+/*
+
+The `options` array provides all of the available advanced options
+alongside their icon, text, and name.
+
+*/
+    const options = [
+      { icon: 'wifi', shortText: messages.local_only_short, longText: messages.local_only_long, name: 'do_not_federate' },
+    ];
+
+/*
+
+`anyEnabled` tells us if any of our advanced options have been enabled.
+
+*/
+
+    const anyEnabled = values.some((enabled) => enabled);
+
+/*
+
+`optionElems` takes our `options` and creates
+`<ComposeAdvancedOptionsToggle>`s out of them. We use the `name` of the
+toggle as its `key` so that React can keep track of it.
+
+*/
+
+    const optionElems = options.map((option) => {
+      return (
+        <ComposeAdvancedOptionsToggle
+          onChange={this.props.onChange}
+          active={values.get(option.name)}
+          key={option.name}
+          name={option.name}
+          shortText={intl.formatMessage(option.shortText)}
+          longText={intl.formatMessage(option.longText)}
+        />
+      );
+    });
+
+/*
+
+Finally, we can render our component.
+
+*/
+
+    return (
+      <div ref={this.setRef} className={`advanced-options-dropdown ${open ?  'open' : ''} ${anyEnabled ? 'active' : ''} `}>
+        <div className='advanced-options-dropdown__value'>
+          <IconButton
+            className='advanced-options-dropdown__value'
+            title={intl.formatMessage(messages.advanced_options_icon_title)}
+            icon='ellipsis-h' active={open || anyEnabled}
+            size={18}
+            style={iconStyle}
+            onClick={this.onToggleDropdown}
+          />
+        </div>
+        <div className='advanced-options-dropdown__dropdown'>
+          {optionElems}
+        </div>
+      </div>
+    );
+  }
+
+}