first version of API

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

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010-2011 Geometer Plus <contact@geometerplus.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+package org.geometerplus.android.fbreader.api;
+
+import android.content.*;
+import android.os.IBinder;
+
+public class ApiServiceConnection implements ServiceConnection {
+	private static String ACTION_API = "android.fbreader.action.API";
+
+	private final Context myContext;
+	private volatile ApiInterface myInterface;
+
+	public ApiServiceConnection(Context context) {
+		myContext = context;
+		connect();
+	}
+
+	public synchronized void connect() {
+		if (myInterface == null) {
+			myContext.bindService(new Intent(ACTION_API), this, Context.BIND_AUTO_CREATE);
+		}
+	}
+
+	public synchronized void onServiceConnected(ComponentName className, IBinder service) {
+		System.err.println("onServiceConnected call");
+		myInterface = ApiInterface.Stub.asInterface(service);
+	}
+
+	public synchronized void onServiceDisconnected(ComponentName name) {
+		System.err.println("onServiceDisconnected call");
+		myInterface = null;
+	}
+
+	private void checkConnection() throws ApiException {
+		if (myInterface == null) {
+			throw new ApiException("No connection with FBReader");
+		}
+	}
+
+	public synchronized int getPageStartParagraphIndex() throws ApiException {
+		checkConnection();
+		try {
+			return myInterface.getPageStartParagraphIndex();
+		} catch (android.os.RemoteException e) {
+			throw new ApiException(e);
+		}
+	}
+
+	public synchronized int getMaxParagraphIndex() throws ApiException {
+		checkConnection();
+		try {
+			return myInterface.getMaxParagraphIndex();
+		} catch (android.os.RemoteException e) {
+			throw new ApiException(e);
+		}
+	}
+
+	public synchronized String getParagraphText(int paragraphIndex) throws ApiException {
+		checkConnection();
+		try {
+			return myInterface.getParagraphText(paragraphIndex);
+		} catch (android.os.RemoteException e) {
+			throw new ApiException(e);
+		}
+	}
+}