Show hover elements when keyboard focus is within an event tile (#31078)

* Show timestamps when keyboard focus is within an event tile

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Ensure toolbar navigation pattern works in MessageActionBar

This requires all buttons within to be roving by using the ref callback given by useRovingTabIndex

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Use PureComponent in EventTile to avoid mass re-rendering due to transitive onFocus/onBlur calls

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Remove unused timestamp event tile prop

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Use MessageTimestamp to generate the wrapping anchor so that focusing it brings up the tooltip

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Tweak MessageTimestamp

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Switch back to Component as we specify a shouldComponentUpdate already

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update jest tests

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update playwright timestamp masks

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Revert snapshot

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update snapshot

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix IRC layout

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Use PureComponent in EventTile to avoid mass re-rendering due to transitive onFocus/onBlur calls

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Remove unused timestamp event tile prop

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Use MessageTimestamp to generate the wrapping anchor so that focusing it brings up the tooltip

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Tweak MessageTimestamp

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Switch back to Component as we specify a shouldComponentUpdate already

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update jest tests

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update playwright timestamp masks

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Revert snapshot

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update snapshot

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix IRC layout

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Lint styles

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix layout picker

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update snapshots

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Update screenshots

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Fix pcss comment

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate Playwright

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

* Iterate Playwright

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

playwright/e2e/chat-export/html-export.spec.ts

@@ -124,11 +124,12 @@ test.describe("HTML Export", () => {
             const zip = await extractZipFileToPath(zipPath, dirPath);
             await page.goto(`file://${dirPath}/${Object.keys(zip.files)[0]}/messages.html`);
             await expect(page).toMatchScreenshot("html-export.png", {
-                mask: [
-                    // We need to mask the whole thing because the width of the time part changes
-                    page.locator(".mx_TimelineSeparator"),
-                    page.locator(".mx_MessageTimestamp"),
-                ],
+                mask: [page.locator(".mx_TimelineSeparator")],
+                css: `
+                    .mx_MessageTimestamp {
+                        visibility: hidden;
+                    }
+                `,
             });
         },
     );