feat: Share flyover (#2065)

* feat: Implement share as flyover instead of modal

* refactor

* i18n

app/scenes/Document/components/ShareButton.js

@@ -0,0 +1,82 @@
+// @flow
+import { observer } from "mobx-react";
+import { GlobeIcon } from "outline-icons";
+import * as React from "react";
+import { useTranslation, Trans } from "react-i18next";
+import { usePopoverState, Popover, PopoverDisclosure } from "reakit/Popover";
+import styled from "styled-components";
+import { fadeAndScaleIn } from "shared/styles/animations";
+import Document from "models/Document";
+import Button from "components/Button";
+import Tooltip from "components/Tooltip";
+import SharePopover from "./SharePopover";
+import useStores from "hooks/useStores";
+
+type Props = {|
+  document: Document,
+|};
+
+function ShareButton({ document }: Props) {
+  const { t } = useTranslation();
+  const { shares } = useStores();
+  const share = shares.getByDocumentId(document.id);
+  const isPubliclyShared = share && share.published;
+  const popover = usePopoverState({
+    gutter: 0,
+    placement: "bottom-end",
+  });
+
+  return (
+    <>
+      <PopoverDisclosure {...popover}>
+        {(props) => (
+          <Tooltip
+            tooltip={
+              isPubliclyShared ? (
+                <Trans>
+                  Anyone with the link <br />
+                  can view this document
+                </Trans>
+              ) : (
+                ""
+              )
+            }
+            delay={500}
+            placement="bottom"
+          >
+            <Button
+              icon={isPubliclyShared ? <GlobeIcon /> : undefined}
+              neutral
+              {...props}
+            >
+              {t("Share")}
+            </Button>
+          </Tooltip>
+        )}
+      </PopoverDisclosure>
+      <Popover {...popover} aria-label={t("Share")}>
+        <Contents>
+          <SharePopover
+            document={document}
+            share={share}
+            onSubmit={popover.hide}
+          />
+        </Contents>
+      </Popover>
+    </>
+  );
+}
+
+const Contents = styled.div`
+  animation: ${fadeAndScaleIn} 200ms ease;
+  transform-origin: 75% 0;
+  background: ${(props) => props.theme.menuBackground};
+  border-radius: 6px;
+  padding: 24px 24px 12px;
+  width: 380px;
+  box-shadow: ${(props) => props.theme.menuShadow};
+  border: ${(props) =>
+    props.theme.menuBorder ? `1px solid ${props.theme.menuBorder}` : "none"};
+`;
+
+export default observer(ShareButton);