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CeleritySpriteGenerator.php
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Tue, Feb 4, 11:28

CeleritySpriteGenerator.php
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<?php
final class CeleritySpriteGenerator {
public function buildIconSheet() {
$icons = $this->getDirectoryList('icons_1x');
$colors = array(
'',
'grey',
'white',
);
$scales = array(
'1x' => 1,
'2x' => 2,
);
$template = id(new PhutilSprite())
->setSourceSize(14, 14);
$sprites = array();
foreach ($colors as $color) {
foreach ($icons as $icon) {
$prefix = 'icons_';
if (strlen($color)) {
$prefix .= $color.'_';
}
$suffix = '';
if (strlen($color)) {
$suffix = '-'.$color;
}
$sprite = id(clone $template)
->setName('action-'.$icon.$suffix);
$tcss = array();
$tcss[] = '.action-'.$icon.$suffix;
if ($color == 'white') {
$tcss[] = '.device-desktop .phabricator-action-view:hover '.
'.action-'.$icon;
if ($icon == 'new') {
// Hover state for the "+" icons on homepage tiles.
$tcss[] = '.phabricator-application-launch-create:hover '.
'.phabricator-application-create-icon.action-new-grey';
}
}
$sprite->setTargetCSS(implode(', ', $tcss));
foreach ($scales as $scale_key => $scale) {
$path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
$sprite->setSourceFile($path, $scale);
}
$sprites[] = $sprite;
}
}
$remarkup_icons = $this->getDirectoryList('remarkup_1x');
foreach ($remarkup_icons as $icon) {
$prefix = 'remarkup_';
// Strip 'text_' from these file names.
$class_name = substr($icon, 5);
$sprite = id(clone $template)
->setName('remarkup-assist-'.$icon)
->setTargetCSS('.remarkup-assist-'.$class_name);
foreach ($scales as $scale_key => $scale) {
$path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
$sprite->setSourceFile($path, $scale);
}
$sprites[] = $sprite;
}
$sheet = $this->buildSheet('icon', true);
$sheet->setScales($scales);
foreach ($sprites as $sprite) {
$sheet->addSprite($sprite);
}
return $sheet;
}
public function buildMenuSheet() {
$sprites = array();
$sources = array(
'seen_read_all' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications .phabricator-main-menu-alert-icon',
),
'seen_have_unread' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications:hover .phabricator-main-menu-alert-icon',
),
'unseen_any' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications.alert-unread .phabricator-main-menu-alert-icon',
),
'arrow-right' => array(
'x' => 9,
'y' => 31,
'css' => '.phabricator-crumb-divider',
),
'eye' => array(
'x' => 24,
'y' => 20,
'css' => '.menu-icon-eye',
),
'app' => array(
'x' => 24,
'y' => 20,
'css' => '.menu-icon-app',
),
'logo' => array(
'x' => 139,
'y' => 25,
'css' => '.phabricator-main-menu-logo-image',
),
'conf-off' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications .phabricator-main-menu-message-icon',
),
'conf-hover' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications:hover .phabricator-main-menu-message-icon',
),
'conf-unseen' => array(
'x' => 14,
'y' => 14,
'css' =>
'.alert-notifications.message-unread '.
'.phabricator-main-menu-message-icon',
),
);
$scales = array(
'1x' => 1,
'2x' => 2,
);
$template = new PhutilSprite();
foreach ($sources as $name => $spec) {
$sprite = id(clone $template)
->setName($name)
->setSourceSize($spec['x'], $spec['y'])
->setTargetCSS($spec['css']);
foreach ($scales as $scale_name => $scale) {
$path = 'menu_'.$scale_name.'/'.$name.'.png';
$path = $this->getPath($path);
$sprite->setSourceFile($path, $scale);
}
$sprites[] = $sprite;
}
$sheet = $this->buildSheet('menu', true);
$sheet->setScales($scales);
foreach ($sprites as $sprite) {
$sheet->addSprite($sprite);
}
return $sheet;
}
public function buildConpherenceSheet() {
$icons = $this->getDirectoryList('conpher_1x');
$scales = array(
'1x' => 1,
'2x' => 2,
);
$template = id(new PhutilSprite())
->setSourceSize(32, 32);
$sprites = array();
foreach ($icons as $icon) {
$color = preg_match('/_on/', $icon) ? 'on' : 'off';
$prefix = 'conpher_';
$sprite = id(clone $template)
->setName($prefix.$icon);
$tcss = array();
$tcss[] = '.'.$prefix.$icon;
if ($color == 'on') {
$class = str_replace('_on', '_off', $prefix.$icon);
$tcss[] = '.device-desktop .'.$class.':hover ';
}
$sprite->setTargetCSS(implode(', ', $tcss));
foreach ($scales as $scale_key => $scale) {
$path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
$sprite->setSourceFile($path, $scale);
}
$sprites[] = $sprite;
}
$sheet = $this->buildSheet('conpher', true);
$sheet->setScales($scales);
foreach ($sprites as $sprite) {
$sheet->addSprite($sprite);
}
return $sheet;
}
public function buildGradientSheet() {
$gradients = $this->getDirectoryList('gradients');
$template = new PhutilSprite();
$unusual_heights = array(
'dark-menu-label' => 25,
'breadcrumbs' => 31,
'menu-hover' => 28,
'menu-label' => 24,
'menu-selected' => 28,
);
// Reorder the sprites so less-specific rules generate earlier in the sheet.
// Otherwise we end up with blue "a.black" buttons because the blue rules
// have the same specificity but appear later.
$gradients = array_fuse($gradients);
$gradients = array_select_keys(
$gradients,
array(
'blue-dark',
'blue-light',
)) + $gradients;
$extra_css = array(
'black-dark' => ', button.black, a.black, a.black:visited',
'black-light' => ', button.black:active, a.black:active',
'blue-dark' => ', button, a.button, a.button:visited, input.inputsubmit',
'blue-light' => ', button:active, a.button:active',
'grey-dark' => ', button.grey, input.inputaux, a.grey, a.grey:visited, '.
'a.button.disabled, button[disabled], button.disabled',
'grey-light' => ', button.grey:active, a.grey:active, '.
'button.grey_active, a.dropdown-open',
'green-dark' => ', button.green, a.green, a.green:visited',
'green-light' => ', button.green:active, a.green:active',
'dark-menu-label' =>
', .phabricator-dark-menu .phabricator-menu-item-type-label',
'menu-label' =>
', .phabricator-side-menu .phabricator-menu-item-type-label',
'menu-hover' =>
', .device-desktop .phabricator-side-menu '.
'a.phabricator-menu-item-type-link:hover, '.
'.phabricator-filetree a.phabricator-filetree-item:hover',
'menu-selected' =>
', .phabricator-side-menu .phabricator-menu-item-selected, '.
'.device-desktop .phabricator-side-menu '.
'a.phabricator-menu-item-selected:hover, '.
'.phabricator-nav-local a.phabricator-active-nav-focus',
);
$sprites = array();
foreach ($gradients as $gradient) {
$path = $this->getPath('gradients/'.$gradient.'.png');
$sprite = id(clone $template)
->setName('gradient-'.$gradient)
->setSourceFile($path)
->setTargetCSS('.gradient-'.$gradient.idx($extra_css, $gradient));
$sprite->setSourceSize(4, idx($unusual_heights, $gradient, 26));
$sprites[] = $sprite;
}
$sheet = $this->buildSheet(
'gradient',
false,
PhutilSpriteSheet::TYPE_REPEAT_X,
', button, a.button, a.button:visited, input.inputsubmit, '.
'.phabricator-dark-menu .phabricator-menu-item-type-label, '.
'.phabricator-side-menu .phabricator-menu-item-type-label, '.
'.device-desktop .phabricator-side-menu '.
'a.phabricator-menu-item-type-link:hover, '.
'.phabricator-side-menu .phabricator-menu-item-selected, '.
'.device-desktop .phabricator-side-menu '.
'a.phabricator-menu-item-selected:hover, '.
'.phabricator-filetree a.phabricator-filetree-item:hover, '.
'.phabricator-filetree a.phabricator-active-nav-focus');
foreach ($sprites as $sprite) {
$sheet->addSprite($sprite);
}
return $sheet;
}
public function buildAppsSheet() {
return $this->buildAppsSheetVariant(1);
}
public function buildAppsLargeSheet() {
return $this->buildAppsSheetVariant(2);
}
public function buildAppsXLargeSheet() {
return $this->buildAppsSheetVariant(3);
}
private function buildAppsSheetVariant($variant) {
if ($variant == 1) {
$scales = array(
'1x' => 1,
'2x' => 2,
);
$variant_name = 'apps';
$variant_short = '';
$size_x = 14;
$size_y = 14;
$colors = array(
'dark' => 'dark',
);
} else if ($variant == 2) {
$scales = array(
'2x' => 1,
'4x' => 2,
);
$variant_name = 'apps-large';
$variant_short = '-large';
$size_x = 28;
$size_y = 28;
$colors = array(
'light' => 'lb',
'dark' => 'dark',
'blue' => 'blue',
'glow' => 'glow',
);
} else {
$scales = array(
'4x' => 1,
);
$variant_name = 'apps-xlarge';
$variant_short = '-xlarge';
$size_x = 56;
$size_y = 56;
$colors = array(
'dark' => 'dark',
/*
TODO: These are available but not currently used.
'blue' => 'blue',
'light' => 'lb',
'glow' => 'glow',
*/
);
}
$apps = $this->getDirectoryList('apps_dark_1x');
$template = id(new PhutilSprite())
->setSourceSize($size_x, $size_y);
$sprites = array();
foreach ($apps as $app) {
foreach ($colors as $color => $color_path) {
$css = '.app-'.$app.'-'.$color.$variant_short;
if ($color == 'blue' && $variant_name == 'apps-large') {
$css .= ', .phabricator-crumb-view:hover .app-'.$app.'-dark-large';
}
if ($color == 'glow' && $variant_name == 'apps-large') {
$css .= ', .device-desktop .phabricator-dark-menu a:hover '.
'.app-'.$app.'-light-large';
}
$sprite = id(clone $template)
->setName('app-'.$app.'-'.$color.$variant_short)
->setTargetCSS($css);
foreach ($scales as $scale_name => $scale) {
$path = $this->getPath(
'apps_'.$color_path.'_'.$scale_name.'/'.$app.'.png');
$sprite->setSourceFile($path, $scale);
}
$sprites[] = $sprite;
}
}
$sheet = $this->buildSheet($variant_name, count($scales) > 1);
$sheet->setScales($scales);
foreach ($sprites as $sprite) {
$sheet->addSprite($sprite);
}
return $sheet;
}
private function getPath($to_path = null) {
$root = dirname(phutil_get_library_root('phabricator'));
return $root.'/resources/sprite/'.$to_path;
}
private function getDirectoryList($dir) {
$path = $this->getPath($dir);
$result = array();
$images = Filesystem::listDirectory($path, $include_hidden = false);
foreach ($images as $image) {
if (!preg_match('/\.png$/', $image)) {
throw new Exception(
"Expected file '{$image}' in '{$path}' to be a sprite source ".
"ending in '.png'.");
}
$result[] = substr($image, 0, -4);
}
return $result;
}
private function buildSheet(
$name,
$has_retina,
$type = null,
$extra_css = '') {
$sheet = new PhutilSpriteSheet();
$at = '@';
switch ($type) {
case PhutilSpriteSheet::TYPE_STANDARD:
default:
$type = PhutilSpriteSheet::TYPE_STANDARD;
$repeat_rule = 'no-repeat';
break;
case PhutilSpriteSheet::TYPE_REPEAT_X:
$repeat_rule = 'repeat-x';
break;
case PhutilSpriteSheet::TYPE_REPEAT_Y:
$repeat_rule = 'repeat-y';
break;
}
$retina_rules = null;
if ($has_retina) {
$retina_rules = <<<EOCSS
@media
only screen and (min-device-pixel-ratio: 1.5),
only screen and (-webkit-min-device-pixel-ratio: 1.5) {
.sprite-{$name}{$extra_css} {
background-image: url(/rsrc/image/sprite-{$name}-X2.png);
background-size: {X}px {Y}px;
}
}
EOCSS;
}
$sheet->setSheetType($type);
$sheet->setCSSHeader(<<<EOCSS
/**
* @provides sprite-{$name}-css
* {$at}generated
*/
.sprite-{$name}{$extra_css} {
background-image: url(/rsrc/image/sprite-{$name}.png);
background-repeat: {$repeat_rule};
}
{$retina_rules}
EOCSS
);
return $sheet;
}
}

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