Class Media

java.lang.Object

org.eclipse.e4.ui.css.core.impl.dom.Media

public final class Media
extends Object

Media query model for @media rules.

The media types all and screen match, plus vendor features for the operating system, the windowing system, the operating system version and the installed bundles. Unknown types, features and values evaluate to false, as Media Queries requires.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Media.BundleVersions	Looks a bundle's version up by symbolic name.
static final record	Media.Context	The environment a query is evaluated against.
static final record	Media.Feature	One (name: value) expression.
static final record	Media.Query	A single media query: an optional not, a media type and the features joined to it with and.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	FEATURE_BUNDLE	Feature naming a bundle that has to be installed.
static final String	FEATURE_BUNDLE_VERSION	Feature naming a bundle and its version, e.g.
static final String	FEATURE_MAX_BUNDLE_VERSION	Upper bound on a bundle's version, inclusive.
static final String	FEATURE_MAX_OS_VERSION	Upper bound on the operating system version, inclusive.
static final String	FEATURE_MIN_BUNDLE_VERSION	Lower bound on a bundle's version, inclusive.
static final String	FEATURE_MIN_OS_VERSION	Lower bound on the operating system version, inclusive.
static final String	FEATURE_OS	Feature naming the operating system, e.g.
static final String	FEATURE_OS_VERSION	Feature naming the operating system version, e.g.
static final String	FEATURE_WS	Feature naming the windowing system, e.g.

Method Summary

Modifier and Type	Method	Description
static boolean	matches(List<Media.Query> queries, Media.Context context)	Whether a comma separated query list applies.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FEATURE_OS

public static final String FEATURE_OS

Feature naming the operating system, e.g. linux.

See Also:

• Constant Field Values

FEATURE_WS

public static final String FEATURE_WS

Feature naming the windowing system, e.g. gtk.

See Also:

• Constant Field Values

FEATURE_OS_VERSION

public static final String FEATURE_OS_VERSION

Feature naming the operating system version, e.g. "10.15".

See Also:

• Constant Field Values

FEATURE_MIN_OS_VERSION

public static final String FEATURE_MIN_OS_VERSION

Lower bound on the operating system version, inclusive.

See Also:

• Constant Field Values

FEATURE_MAX_OS_VERSION

public static final String FEATURE_MAX_OS_VERSION

Upper bound on the operating system version, inclusive.

See Also:

• Constant Field Values

FEATURE_BUNDLE

public static final String FEATURE_BUNDLE

Feature naming a bundle that has to be installed.

See Also:

• Constant Field Values

FEATURE_BUNDLE_VERSION

public static final String FEATURE_BUNDLE_VERSION

Feature naming a bundle and its version, e.g. "org.eclipse.ui 3.2".

See Also:

• Constant Field Values

FEATURE_MIN_BUNDLE_VERSION

public static final String FEATURE_MIN_BUNDLE_VERSION

Lower bound on a bundle's version, inclusive.

See Also:

• Constant Field Values

FEATURE_MAX_BUNDLE_VERSION

public static final String FEATURE_MAX_BUNDLE_VERSION

Upper bound on a bundle's version, inclusive.

See Also:

• Constant Field Values

Method Details

matches

public static boolean matches(List<Media.Query> queries,
 Media.Context context)

Whether a comma separated query list applies. Any query matching is enough, and an empty list matches everything.