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feat: sync page theme color metadata with active theme bg #1623

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merged 4 commits into from Sep 23, 2022
Merged

feat: sync page theme color metadata with active theme bg #1623

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b147932
feat: sync page theme color metadata with active theme bg
amanharwara Sep 23, 2022
ffb4cf7
fix: lint
amanharwara Sep 23, 2022
572776c
refactor: extract to method
amanharwara Sep 23, 2022
2c30d82
Merge branch 'main' into feat/meta-theme-color
amanharwara Sep 23, 2022
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3 changes: 2 additions & 1 deletion packages/mobile/html/Web.bundle/src/index.html
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Expand Up @@ -5,6 +5,7 @@
<meta charset="utf-8" />
<meta content="IE=edge" http-equiv="X-UA-Compatible" />
<meta content="viewport-fit=cover, width=device-width, initial-scale=1" name="viewport" />
<meta content="#ffffff" name="theme-color" />
<link rel="stylesheet" href="web-src/app.css" />
<script>
window.defaultSyncServer = "https://api.standardnotes.com";
Expand All @@ -22,4 +23,4 @@
<body>
</body>

</html>
</html>
15 changes: 15 additions & 0 deletions packages/ui-services/src/Theme/ThemeManager.ts
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Expand Up @@ -287,9 +287,24 @@ export class ThemeManager extends AbstractService {
link.rel = 'stylesheet'
link.media = 'screen,print'
link.id = theme.uuid
link.onload = this.syncThemeColorMetadata
document.getElementsByTagName('head')[0].appendChild(link)
}

/**
* Syncs the active theme's background color to the 'theme-color' meta tag
* https://developer.mozilla.org/en-US/docs/Web/HTML/Element/meta/name/theme-color
*/
private syncThemeColorMetadata() {
const themeColorMetaElement = document.querySelector('meta[name="theme-color"]')
if (!themeColorMetaElement) {
return
}

const bgColor = getComputedStyle(document.documentElement).getPropertyValue('--sn-stylekit-background-color')
themeColorMetaElement.setAttribute('content', bgColor ? bgColor.trim() : '#ffffff')
}

private deactivateTheme(uuid: string) {
const element = document.getElementById(uuid) as HTMLLinkElement
if (element) {
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