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Use emoji as icon #42

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Sep 1, 2023
Merged

Use emoji as icon #42

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57 changes: 54 additions & 3 deletions lib/Service/MenuSectionsService.php
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Original file line number Diff line number Diff line change
Expand Up @@ -31,16 +31,37 @@
use OCP\Files\IAppData;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IEmojiHelper;
use OCP\IURLGenerator;
use OCP\IUserSession;

class MenuSectionsService {
/**
* https://github.com/sebdesign/cap-height -- for 500px height
* Automated check: https://codepen.io/skjnldsv/pen/PydLBK/
* Noto Sans cap-height is 0.715 and we want a 200px caps height size
* (0.4 letter-to-total-height ratio, 500*0.4=200), so: 200/0.715 = 280px.
* Since we start from the baseline (text-anchor) we need to
* shift the y axis by 100px (half the caps height): 500/2+100=350
*
* Copied from @see \OC\Avatar\Avatar::$svgTemplate with some changes:
* - {font} is injected
* - size fixed to 512
* - font-size reduced to 240
* - font-weight and fill color are removed as they are not applicable
*/
private string $svgTemplate = '<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg width="512" height="512" version="1.1" viewBox="0 0 500 500" xmlns="http://www.w3.org/2000/svg">
<text x="50%" y="330" style="font-size:240px;font-family:{font};text-anchor:middle;">{letter}</text>
</svg>';

public function __construct(
private IUserSession $userSession,
private ShareMapper $shareMapper,
private IRootFolder $rootFolder,
private IAppData $appData,
private IURLGenerator $urlGenerator,
private IEmojiHelper $emojiHelper,
) {
}

Expand All @@ -65,13 +86,43 @@ public function getList(): array {
$content = $directoryFile->getContent();
$parsed = parse_ini_string($content);
if (!empty($parsed['Icon'])) {
$iconsFolder = $this->appData->getFolder('icons');
$icon = $iconsFolder->getFile($parsed['Icon'] . '.svg');
$list[$key]['icon'] = $icon->getContent();
if ($this->emojiHelper->isValidSingleEmoji($parsed['Icon'])) {
$list[$key]['icon'] = $this->getEmojiAvatar($parsed['Icon']);
} else {
$iconsFolder = $this->appData->getFolder('icons');
$icon = $iconsFolder->getFile($parsed['Icon'] . '.svg');
$list[$key]['icon'] = $icon->getContent();
}
}
} catch (NotFoundException $e) {
}
}
return $list;
}

private function getEmojiAvatar(string $emoji, string $fillColor = 'ffffff'): string {
return str_replace([
'{letter}',
'{fill}',
'{font}',
], [
$emoji,
$fillColor,
implode(',', [
"'Segoe UI'",
'Roboto',
'Oxygen-Sans',
'Cantarell',
'Ubuntu',
"'Helvetica Neue'",
'Arial',
'sans-serif',
"'Noto Color Emoji'",
"'Apple Color Emoji'",
"'Segoe UI Emoji'",
"'Segoe UI Symbol'",
"'Noto Sans'",
]),
], $this->svgTemplate);
}
}
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