more methods in API

src/org/geometerplus/android/fbreader/api/ApiImplementation.java

@@ -26,6 +26,12 @@ import org.geometerplus.fbreader.fbreader.FBReaderApp;
 public class ApiImplementation extends ApiInterface.Stub {
 	private final FBReaderApp myReader = (FBReaderApp)FBReaderApp.Instance();
 
+	@Override
+	public String getBookLanguage() {
+		// TODO: check for NPE
+		return myReader.Model.Book.getLanguage();
+	}
+
 	private TextPosition getTextPosition(ZLTextWordCursor cursor) {
 		return new TextPosition(
 			cursor.getParagraphIndex(),
@@ -56,9 +62,16 @@ public class ApiImplementation extends ApiInterface.Stub {
 		return myReader.Model.BookTextModel.getParagraphsNumber();
 	}
 
+	@Override
+	public int getElementsNumber(int paragraphIndex) {
+		final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
+		cursor.moveToParagraph(paragraphIndex);
+		cursor.moveToParagraphEnd();
+		return cursor.getElementIndex();
+	}
+
 	@Override
 	public String getParagraphText(int paragraphIndex) {
-		// TODO: check for NPEs
 		final StringBuffer sb = new StringBuffer();
 		final ZLTextWordCursor cursor = new ZLTextWordCursor(myReader.getTextView().getStartCursor());
 		cursor.moveToParagraph(paragraphIndex);

src/org/geometerplus/android/fbreader/api/ApiInterface.aidl

@@ -22,7 +22,12 @@ package org.geometerplus.android.fbreader.api;
 import org.geometerplus.android.fbreader.api.TextPosition;
 
 interface ApiInterface {
+	//ApiObject request(String name, ApiObject[] parameters);
+
 	int getParagraphsNumber();
+	int getElementsNumber(int paragraphIndex);
+
+	String getBookLanguage();
 
 	TextPosition getPageStart();
 	TextPosition getPageEnd();

src/org/geometerplus/android/fbreader/api/ApiServiceConnection.java

@@ -65,6 +65,15 @@ public class ApiServiceConnection implements ServiceConnection {
 		}
 	}
 
+	public synchronized String getBookLanguage() throws ApiException {
+		checkConnection();
+		try {
+			return myInterface.getBookLanguage();
+		} catch (android.os.RemoteException e) {
+			throw new ApiException(e);
+		}
+	}
+
 	public synchronized TextPosition getPageStart() throws ApiException {
 		checkConnection();
 		try {