Initial commit of android remote.

Change-Id: Ia8cfce4af87d121acacf9a29632435c4c786822f

19 files changed, 629 insertions, 0 deletions

diff --git a/android/sdremote/.classpath b/android/sdremote/.classpath
new file mode 100644
index 000000000000..3f9691c5dda2
--- /dev/null
+++ b/android/sdremote/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+	<classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="gen"/>
+	<classpathentry kind="output" path="bin/classes"/>
+</classpath>
diff --git a/android/sdremote/.project b/android/sdremote/.project
new file mode 100644
index 000000000000..70ef552c8876
--- /dev/null
+++ b/android/sdremote/.project
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>ImpressRemote</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>com.android.ide.eclipse.adt.ApkBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/android/sdremote/AndroidManifest.xml b/android/sdremote/AndroidManifest.xml
new file mode 100644
index 000000000000..e1c76d7145e9
--- /dev/null
+++ b/android/sdremote/AndroidManifest.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.libreoffice.impressremote"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <application
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name" >
+        <activity
+            android:name="TestClient"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <service android:name=".communication.CommunicationService" >
+        </service>
+    </application>
+
+</manifest>
\ No newline at end of file
diff --git a/android/sdremote/ant.properties b/android/sdremote/ant.properties
new file mode 100644
index 000000000000..b0971e891efd
--- /dev/null
+++ b/android/sdremote/ant.properties
@@ -0,0 +1,17 @@
+# This file is used to override default values used by the Ant build system.
+#
+# This file must be checked into Version Control Systems, as it is
+# integral to the build system of your project.
+
+# This file is only used by the Ant script.
+
+# You can use this to override default values such as
+#  'source.dir' for the location of your java source folder and
+#  'out.dir' for the location of your output folder.
+
+# You can also use it define how the release builds are signed by declaring
+# the following properties:
+#  'key.store' for the location of your keystore and
+#  'key.alias' for the name of the key to use.
+# The password will be asked during the build when you use the 'release' target.
+
diff --git a/android/sdremote/build.xml b/android/sdremote/build.xml
new file mode 100644
index 000000000000..b47c3973b1cc
--- /dev/null
+++ b/android/sdremote/build.xml
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project name="ImpressRemote" default="help">
+
+    <!-- The local.properties file is created and updated by the 'android' tool.
+         It contains the path to the SDK. It should *NOT* be checked into
+         Version Control Systems. -->
+    <property file="local.properties" />
+
+    <!-- The ant.properties file can be created by you. It is only edited by the
+         'android' tool to add properties to it.
+         This is the place to change some Ant specific build properties.
+         Here are some properties you may want to change/update:
+
+         source.dir
+             The name of the source directory. Default is 'src'.
+         out.dir
+             The name of the output directory. Default is 'bin'.
+
+         For other overridable properties, look at the beginning of the rules
+         files in the SDK, at tools/ant/build.xml
+
+         Properties related to the SDK location or the project target should
+         be updated using the 'android' tool with the 'update' action.
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems.
+
+         -->
+    <property file="ant.properties" />
+
+    <!-- The project.properties file is created and updated by the 'android'
+         tool, as well as ADT.
+
+         This contains project specific properties such as project target, and library
+         dependencies. Lower level build properties are stored in ant.properties
+         (or in .classpath for Eclipse projects).
+
+         This file is an integral part of the build system for your
+         application and should be checked into Version Control Systems. -->
+    <loadproperties srcFile="project.properties" />
+
+    <!-- quick check on sdk.dir -->
+    <fail
+            message="sdk.dir is missing. Make sure to generate local.properties using 'android update project' or to inject it through an env var"
+            unless="sdk.dir"
+    />
+
+    <!--
+        Import per project custom build rules if present at the root of the project.
+        This is the place to put custom intermediary targets such as:
+            -pre-build
+            -pre-compile
+            -post-compile (This is typically used for code obfuscation.
+                           Compiled code location: ${out.classes.absolute.dir}
+                           If this is not done in place, override ${out.dex.input.absolute.dir})
+            -post-package
+            -post-build
+            -pre-clean
+    -->
+    <import file="custom_rules.xml" optional="true" />
+
+    <!-- Import the actual build file.
+
+         To customize existing targets, there are two options:
+         - Customize only one target:
+             - copy/paste the target into this file, *before* the
+               <import> task.
+             - customize it to your needs.
+         - Customize the whole content of build.xml
+             - copy/paste the content of the rules files (minus the top node)
+               into this file, replacing the <import> task.
+             - customize to your needs.
+
+         ***********************
+         ****** IMPORTANT ******
+         ***********************
+         In all cases you must update the value of version-tag below to read 'custom' instead of an integer,
+         in order to avoid having your file be overridden by tools such as "android update project"
+    -->
+    <!-- version-tag: 1 -->
+    <import file="${sdk.dir}/tools/ant/build.xml" />
+
+</project>
diff --git a/android/sdremote/proguard-project.txt b/android/sdremote/proguard-project.txt
new file mode 100644
index 000000000000..f2fe1559a217
--- /dev/null
+++ b/android/sdremote/proguard-project.txt
@@ -0,0 +1,20 @@
+# To enable ProGuard in your project, edit project.properties
+# to define the proguard.config property as described in that file.
+#
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in ${sdk.dir}/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the ProGuard
+# include property in project.properties.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
diff --git a/android/sdremote/project.properties b/android/sdremote/project.properties
new file mode 100644
index 000000000000..0840b4a05983
--- /dev/null
+++ b/android/sdremote/project.properties
@@ -0,0 +1,14 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system edit
+# "ant.properties", and override values to adapt the script to your
+# project structure.
+#
+# To enable ProGuard to shrink and obfuscate your code, uncomment this (available properties: sdk.dir, user.home):
+#proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt
+
+# Project target.
+target=android-15
diff --git a/android/sdremote/res/drawable-hdpi/ic_launcher.png b/android/sdremote/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 000000000000..8074c4c571b8
--- /dev/null
+++ b/android/sdremote/res/drawable-hdpi/ic_launcher.png
diff --git a/android/sdremote/res/drawable-ldpi/ic_launcher.png b/android/sdremote/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 000000000000..1095584ec21f
--- /dev/null
+++ b/android/sdremote/res/drawable-ldpi/ic_launcher.png
diff --git a/android/sdremote/res/drawable-mdpi/ic_launcher.png b/android/sdremote/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 000000000000..a07c69fa5a0f
--- /dev/null
+++ b/android/sdremote/res/drawable-mdpi/ic_launcher.png
diff --git a/android/sdremote/res/layout/main.xml b/android/sdremote/res/layout/main.xml
new file mode 100644
index 000000000000..b100941e7796
--- /dev/null
+++ b/android/sdremote/res/layout/main.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Hello World, Launcher"
+    />
+</LinearLayout>
+
diff --git a/android/sdremote/res/layout/testlayout.xml b/android/sdremote/res/layout/testlayout.xml
new file mode 100644
index 000000000000..2e32325aabbb
--- /dev/null
+++ b/android/sdremote/res/layout/testlayout.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/label_curSlide"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="Slide: XXX" />
+
+    <Button
+        android:id="@+id/button_next"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="Next" />
+
+    <Button
+        android:id="@+id/button_previous"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:text="Previous" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/android/sdremote/res/values/strings.xml b/android/sdremote/res/values/strings.xml
new file mode 100644
index 000000000000..78fbe65af57a
--- /dev/null
+++ b/android/sdremote/res/values/strings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">Launcher</string>
+</resources>
diff --git a/android/sdremote/src/org/libreoffice/impressremote/Launcher.java b/android/sdremote/src/org/libreoffice/impressremote/Launcher.java
new file mode 100644
index 000000000000..77f2645b4ec0
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/Launcher.java
@@ -0,0 +1,14 @@
+package org.libreoffice.impressremote;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+public class Launcher extends Activity {
+	/** Called when the activity is first created. */
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.main);
+	}
+
+}
diff --git a/android/sdremote/src/org/libreoffice/impressremote/TestClient.java b/android/sdremote/src/org/libreoffice/impressremote/TestClient.java
new file mode 100644
index 000000000000..b3bd3b5a7b69
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/TestClient.java
@@ -0,0 +1,99 @@
+package org.libreoffice.impressremote;
+
+import org.libreoffice.impressremote.communication.CommunicationService;
+import org.libreoffice.impressremote.communication.Transmitter;
+
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.Bundle;
+import android.os.IBinder;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+
+public class TestClient extends Activity {
+
+	private boolean mIsBound = false;
+
+	private CommunicationService mCommunicationService;
+
+	/** Called when the activity is first created. */
+	@Override
+	public void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.testlayout);
+		setupUI();
+		doBindService();
+
+	}
+
+	private ServiceConnection mConnection = new ServiceConnection() {
+		public void onServiceConnected(ComponentName aClassName,
+				IBinder aService) {
+			mCommunicationService = ((CommunicationService.CBinder) aService)
+					.getService();
+			mCommunicationService.connectTo(
+					CommunicationService.Protocol.NETWORK, "128.232.128.144");
+
+			enableButtons(true);
+		}
+
+		public void onServiceDisconnected(ComponentName aClassName) {
+			mCommunicationService = null;
+			enableButtons(false);
+		}
+	};
+
+	void doBindService() {
+		bindService(new Intent(this, CommunicationService.class), mConnection,
+				Context.BIND_AUTO_CREATE);
+		mIsBound = true;
+	}
+
+	void doUnbindService() {
+		if (mIsBound) {
+			unbindService(mConnection);
+			mIsBound = false;
+		}
+	}
+
+	private Button mButtonNext;
+
+	private Button mButtonPrevious;
+
+	private void setupUI() {
+		mButtonNext = (Button) findViewById(R.id.button_next);
+		mButtonPrevious = (Button) findViewById(R.id.button_previous);
+
+		enableButtons(false);
+
+		mButtonNext.setOnClickListener(new OnClickListener() {
+
+			@Override
+			public void onClick(View v) {
+				mCommunicationService.getTransmitter().nextTransition();
+
+			}
+
+		});
+
+		mButtonPrevious.setOnClickListener(new OnClickListener() {
+
+			@Override
+			public void onClick(View v) {
+				mCommunicationService.getTransmitter().previousTransition();
+
+			}
+
+		});
+
+	}
+
+	private void enableButtons(boolean aEnabled) {
+		mButtonNext.setEnabled(aEnabled);
+		mButtonPrevious.setEnabled(aEnabled);
+	}
+}
diff --git a/android/sdremote/src/org/libreoffice/impressremote/communication/Client.java b/android/sdremote/src/org/libreoffice/impressremote/communication/Client.java
new file mode 100644
index 000000000000..55966442f9e6
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/communication/Client.java
@@ -0,0 +1,111 @@
+package org.libreoffice.impressremote.communication;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+
+import org.apache.http.util.ByteArrayBuffer;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * Generic Client for the remote control. To implement a Client for a specific
+ * transport medium you must provide input and output streams (
+ * <code>mInputStream</code> and <code>mOutputStream</code> before calling any
+ * methods.
+ *
+ * @author Andrzej J.R. Hunt
+ *
+ */
+public abstract class Client {
+
+	private static final String CHARSET = "UTF-16";
+
+	protected InputStream mInputStream;
+	protected OutputStream mOutputStream;
+
+	private void listen() {
+		ByteArrayBuffer aBuffer = new ByteArrayBuffer(10);
+		byte aTemp;
+
+		try {
+			while ((aTemp = (byte) mInputStream.read()) != 0x0d) {
+				aBuffer.append(aTemp);
+			}
+		} catch (IOException e1) {
+			// TODO stream couldn't be opened.
+			e1.printStackTrace();
+		}
+
+		String aLengthString;
+		try {
+			aLengthString = new String(aBuffer.toByteArray(), CHARSET);
+		} catch (UnsupportedEncodingException e1) {
+			throw new Error("Specified network encoding [" + CHARSET
+					+ " not available.");
+		}
+
+		int aLength = Integer.parseInt(aLengthString);
+
+		byte[] aCommand = new byte[aLength];
+		try {
+			mInputStream.read(aCommand, 0, aLength);
+		} catch (IOException e) {
+			// TODO close and notify that the connection has closed
+			e.printStackTrace();
+		}
+		String aCommandString;
+		try {
+			aCommandString = new String(aCommand, CHARSET);
+		} catch (UnsupportedEncodingException e) {
+			throw new Error("Specified network encoding [" + CHARSET
+					+ " not available.");
+		}
+		parseCommand(aCommandString);
+
+	}
+
+	private void parseCommand(String aCommand) {
+		JSONObject aCommandObject;
+		String aInstruction;
+		try {
+			aCommandObject = new JSONObject(aCommand);
+			aInstruction = aCommandObject.getString("command");
+			if (aInstruction.equals("slide_changed")) {
+				// TODO: process and notify
+			}
+		} catch (JSONException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+	}
+
+	/**
+	 * Send a valid JSON string to the server.
+	 *
+	 * @param command
+	 *            Must be a valid JSON string.
+	 */
+	public void sendCommand(String command) {
+		String aLengthString = Integer.toString(command.length());
+		byte[] aLengthBytes;
+		try {
+			aLengthBytes = aLengthString.getBytes(CHARSET);
+
+			mOutputStream.write(aLengthBytes);
+			mOutputStream.write(0x0d);
+			mOutputStream.write(command.getBytes(CHARSET));
+		} catch (UnsupportedEncodingException e) {
+			throw new Error("Specified network encoding [" + CHARSET
+					+ " not available.");
+		} catch (IOException e) {
+			// TODO Notify that stream has closed.
+		}
+	}
+
+}
diff --git a/android/sdremote/src/org/libreoffice/impressremote/communication/CommunicationService.java b/android/sdremote/src/org/libreoffice/impressremote/communication/CommunicationService.java
new file mode 100644
index 000000000000..7a9db40a2ed3
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/communication/CommunicationService.java
@@ -0,0 +1,66 @@
+package org.libreoffice.impressremote.communication;
+
+import android.app.Service;
+import android.content.Intent;
+import android.os.Binder;
+import android.os.IBinder;
+
+public class CommunicationService extends Service {
+
+	/**
+	 * Return the service to clients.
+	 */
+	public class CBinder extends Binder {
+		public CommunicationService getService() {
+			return CommunicationService.this;
+		}
+	}
+
+	private final IBinder mBinder = new CBinder();
+
+	public enum Protocol {
+		NETWORK, BLUETOOTH
+	};
+
+	private Transmitter mTransmitter;
+
+	private Client mClient;
+
+	@Override
+	public IBinder onBind(Intent intent) {
+		// TODO Auto-generated method stub
+		return mBinder;
+	}
+
+	@Override
+	public void onCreate() {
+		// TODO Create a notification (if configured).
+
+	}
+
+	@Override
+	public void onDestroy() {
+		// TODO Destroy the notification (as necessary).
+	}
+
+	public Transmitter getTransmitter() {
+		return mTransmitter;
+
+	}
+
+	public void connectTo(Protocol aProtocol, String address) {
+		switch (aProtocol) {
+		case NETWORK:
+			mClient = new NetworkClient(address);
+			mTransmitter = new Transmitter(mClient);
+			break;
+
+		}
+
+	}
+
+	public void disconnect() {
+
+	}
+
+}
diff --git a/android/sdremote/src/org/libreoffice/impressremote/communication/NetworkClient.java b/android/sdremote/src/org/libreoffice/impressremote/communication/NetworkClient.java
new file mode 100644
index 000000000000..1da19411c394
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/communication/NetworkClient.java
@@ -0,0 +1,37 @@
+package org.libreoffice.impressremote.communication;
+
+import java.io.IOException;
+import java.net.Socket;
+import java.net.UnknownHostException;
+
+import android.content.Context;
+import android.content.ServiceConnection;
+
+/**
+ * Standard Network client. Connects to a server using Sockets.
+ *
+ * @author Andrzej J.R. Hunt
+ *
+ */
+public class NetworkClient extends Client {
+
+	private static final int PORT = 1599;
+
+	public NetworkClient(String ipAddress) {
+
+		Socket aSocket;
+		try {
+			aSocket = new Socket(ipAddress, PORT);
+			mInputStream = aSocket.getInputStream();
+			mOutputStream = aSocket.getOutputStream();
+		} catch (UnknownHostException e) {
+			// TODO Tell the user we have a problem
+			e.printStackTrace();
+		} catch (IOException e) {
+			// TODO As above
+			e.printStackTrace();
+		}
+
+	}
+
+}
diff --git a/android/sdremote/src/org/libreoffice/impressremote/communication/Transmitter.java b/android/sdremote/src/org/libreoffice/impressremote/communication/Transmitter.java
new file mode 100644
index 000000000000..0e2da45c72b2
--- /dev/null
+++ b/android/sdremote/src/org/libreoffice/impressremote/communication/Transmitter.java
@@ -0,0 +1,56 @@
+package org.libreoffice.impressremote.communication;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+/**
+ * Interface to send commands to the server.
+ *
+ * @author Andrzej J.R. Hunt
+ *
+ */
+public class Transmitter {
+
+	private Client mClient;
+
+	public Transmitter(Client aClient) {
+		mClient = aClient;
+	}
+
+	public void nextTransition() {
+		JSONObject aCommand = new JSONObject();
+		try {
+			aCommand.put("command", "transition_next");
+		} catch (JSONException e) {
+			e.printStackTrace();
+			// TODO: clean
+		}
+		// Create JSON
+		mClient.sendCommand(aCommand.toString());
+	}
+
+	public void previousTransition() {
+		JSONObject aCommand = new JSONObject();
+		try {
+			aCommand.put("command", "transition_previous");
+		} catch (JSONException e) {
+			e.printStackTrace();
+			// TODO: clean
+		}
+		// Create JSON
+		mClient.sendCommand(aCommand.toString());
+	}
+
+	public void gotoSlide(int slide) {
+		JSONObject aCommand = new JSONObject();
+		try {
+			aCommand.put("command", "goto_slide");
+			aCommand.put("slide_numer", slide);
+		} catch (JSONException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		mClient.sendCommand(aCommand.toString());
+	}
+
+}