1 files changed, 92 insertions, 0 deletions
diff --git a/libs/emojicon/src/main/java/github/ankushsachdeva/emojicon/EmojiconGroupsLoader.java b/libs/emojicon/src/main/java/github/ankushsachdeva/emojicon/EmojiconGroupsLoader.java
new file mode 100644
index 00000000..350e710d
--- /dev/null
+++ b/libs/emojicon/src/main/java/github/ankushsachdeva/emojicon/EmojiconGroupsLoader.java
@@ -0,0 +1,92 @@
+package github.ankushsachdeva.emojicon;
+
+import android.content.Context;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by aleksandr.naumov on 14.05.2015.
+ */
+class EmojiconGroupsLoader {
+    private static EmojiconGroupsLoader sInstance;
+    private final List<EmojiconGroup> mGroups;
+
+    public static synchronized EmojiconGroupsLoader getInstance(Context context) {
+        if (sInstance == null) {
+            sInstance = new EmojiconGroupsLoader(context);
+        }
+        return sInstance;
+    }
+
+    private EmojiconGroupsLoader(Context context) {
+        try {
+            mGroups = parseEmojiXml(context);
+        } catch (IOException | XmlPullParserException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    private List<EmojiconGroup> parseEmojiXml(Context context) throws IOException, XmlPullParserException {
+        ArrayList<EmojiconGroup> groups = new ArrayList<>();
+        XmlPullParser parser = context.getResources().getXml(R.xml.emoji);
+        parser.next();
+        String groupName = null;
+        for (int eventType = parser.getEventType(); eventType != XmlPullParser.END_DOCUMENT; eventType = parser.next()) {
+            switch (eventType) {
+                case XmlPullParser.START_TAG:
+                    if ("group".equals(parser.getName())) {
+                        groupName = parser.getAttributeValue(0);
+                    }
+                    break;
+                case XmlPullParser.TEXT:
+                    if (groupName != null) {
+                        groups.add(EmojiconGroup.fromString(
+                                parser.getText(),
+                                getGroupNameIcon(groupName)
+                        ));
+                        groupName = null;
+                    }
+                    break;
+            }
+        }
+        return groups;
+    }
+
+    private int getGroupNameIcon(String groupName) {
+        for (KnownGroupNames knownGroupName : KnownGroupNames.values()) {
+            if (groupName.toLowerCase().equals(knownGroupName.name().toLowerCase())) {
+                return knownGroupName.getIconResId();
+            }
+        }
+        throw new IllegalArgumentException(String.format("Unknown group name '%s'", groupName));
+    }
+
+    public List<EmojiconGroup> getGroups() {
+        return mGroups;
+    }
+
+    public enum KnownGroupNames {
+        RECENT(R.drawable.ic_emoji_recent_light),
+        SMILES(R.drawable.ic_emoji_people_light),
+        NATURE(R.drawable.ic_emoji_nature_light),
+        OBJECTS(R.drawable.ic_emoji_objects_light),
+        TECH(R.drawable.ic_emoji_places_light),
+        SYMBOLS(R.drawable.ic_emoji_symbols_light);
+
+        private final int iconResId;
+
+        KnownGroupNames(int iconResId) {
+            this.iconResId = iconResId;
+        }
+
+        public int getIconResId() {
+            return iconResId;
+        }
+    }
+}