Method updateAllViewsColorScheme

app/src/main/viewManager.ts:467–495

(colorScheme: 'light' | 'dark')

  }

  updateAllViewsColorScheme(colorScheme: 'light' | 'dark') {
    log.log('[main] Updating all WebContentsView color schemes to:', colorScheme)

    // Set nativeTheme to allow websites to detect dark mode preference via prefers-color-scheme
    nativeTheme.themeSource = colorScheme

    // Inject color scheme into all existing views (only for internal surf:// URLs)
    this.views.forEach((view) => {
      if (view.wcv && !view.wcv.webContents.isDestroyed()) {
        const url = view.wcv.webContents.getURL()
        const isSurfUrl = checkIfSurfProtocolUrl(url) || url.startsWith('surf-internal://')

        if (isSurfUrl) {
          view.wcv.webContents
            .executeJavaScript(
              `
            if (document.documentElement) {
              document.documentElement.dataset.colorScheme = '${colorScheme}';
              document.documentElement.style.colorScheme = '${colorScheme}';
            }
          `
            )
            .catch((err) => {
              log.warn('[main] Failed to inject color scheme into view:', view.id, err)
            })
        }
      }
    })
  }

  getWebContentsViews() {
    return Array.from(this.views.values()).map((v) => v.wcv)