Initial commit with new directory structure.

components/net/sf/briar/i18n/FontManagerImpl.java

@@ -0,0 +1,99 @@
+package net.sf.briar.i18n;
+
+import java.awt.Font;
+import java.awt.FontFormatException;
+import java.awt.font.TextAttribute;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.TreeMap;
+
+import javax.swing.UIManager;
+
+import net.sf.briar.api.i18n.FontManager;
+import net.sf.briar.util.FileUtils;
+
+public class FontManagerImpl implements FontManager {
+
+	private static final BundledFont[] BUNDLED_FONTS = {
+		new BundledFont("TibetanMachineUni.ttf", 14f, new String[] { "bo" }),
+		new BundledFont("Padauk.ttf", 14f, new String[] { "my" }),
+	};
+
+	private final Map<String, Font> fonts = new TreeMap<String, Font>();
+
+	private volatile Font defaultFont = null, uiFont = null;
+
+	public void initialize(Locale locale) throws IOException {
+		try {
+			ClassLoader loader = getClass().getClassLoader();
+			for(BundledFont bf : BUNDLED_FONTS) {
+				InputStream in = loader.getResourceAsStream(bf.filename);
+				if(in == null) {
+					File root = FileUtils.getBriarDirectory();
+					File file = new File(root, "Data/" + bf.filename);
+					in = new FileInputStream(file);
+				}
+				Font font = Font.createFont(Font.TRUETYPE_FONT, in);
+				font = font.deriveFont(bf.size);
+				for(String language : bf.languages) fonts.put(language, font);
+			}
+		} catch(FontFormatException e) {
+			throw new IOException(e);
+		}
+		defaultFont = getFont("Sans", 12f);
+		assert defaultFont != null; // FIXME: This is failing on Windows
+		setUiFontForLanguage(locale.getLanguage());
+	}
+
+	private Font getFont(String name, float size) {
+		Map<TextAttribute, Object> attr = new HashMap<TextAttribute, Object>();
+		attr.put(TextAttribute.FAMILY, name);
+		attr.put(TextAttribute.SIZE, Float.valueOf(size));
+		return Font.getFont(attr);
+	}
+
+	public String[] getBundledFontFilenames() {
+		String[] names = new String[BUNDLED_FONTS.length];
+		for(int i = 0; i < BUNDLED_FONTS.length; i++)
+			names[i] = BUNDLED_FONTS[i].filename;
+		return names;
+	}
+
+	public Font getFontForLanguage(String language) {
+		assert defaultFont != null;
+		Font font = fonts.get(language);
+		return font == null ? defaultFont : font;
+	}
+
+	public Font getUiFont() {
+		return uiFont;
+	}
+
+	public void setUiFontForLanguage(String language) {
+		uiFont = getFontForLanguage(language);
+		Enumeration<Object> keys = UIManager.getDefaults().keys();
+		while(keys.hasMoreElements()) {
+			Object key = keys.nextElement();
+			if(UIManager.getFont(key) != null) UIManager.put(key, uiFont);
+		}
+	}
+
+	private static class BundledFont {
+
+		private final String filename;
+		private final float size;
+		private final String[] languages;
+
+		BundledFont(String filename, float size, String[] languages) {
+			this.filename = filename;
+			this.size = size;
+			this.languages = languages;
+		}
+	}
+}