Integrated address book into new email recipients field

res/drawable/token_background.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <solid android:color="#ffafafaf" />
+
+    <corners
+        android:bottomLeftRadius="5dp"
+        android:bottomRightRadius="5dp"
+        android:topLeftRadius="5dp"
+        android:topRightRadius="5dp" />
+
+</shape>

res/layout/contact_token.xml

@@ -0,0 +1,16 @@
+<?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/contact_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@drawable/token_background"
+        android:padding="5dp"
+        android:textColor="@android:color/white"
+        android:textSize="18sp" />
+
+</LinearLayout>

res/layout/fragment_new_email.xml

@@ -14,15 +14,13 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
-        <MultiAutoCompleteTextView
+        <i2p.bote.android.util.ContactsCompletionView
             android:id="@+id/recipients"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:ems="10"
-            android:hint="@string/to" >
+            android:layout_height="wrap_content" >
 
             <requestFocus />
-        </MultiAutoCompleteTextView>
+        </i2p.bote.android.util.ContactsCompletionView>
 
         <EditText
             android:id="@+id/subject"

src/i2p/bote/android/NewEmailFragment.java

@@ -2,21 +2,27 @@ package i2p.bote.android;
 
 import java.io.IOException;
 import java.security.GeneralSecurityException;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
+import java.util.Locale;
 
 import javax.mail.Message;
 import javax.mail.MessagingException;
 import javax.mail.internet.InternetAddress;
 
-import net.i2p.data.DataFormatException;
+import com.tokenautocomplete.FilteredArrayAdapter;
 
+import net.i2p.data.DataFormatException;
 import i2p.bote.I2PBote;
 import i2p.bote.android.util.BoteHelper;
+import i2p.bote.android.util.ContactsCompletionView;
+import i2p.bote.android.util.Person;
 import i2p.bote.email.Attachment;
 import i2p.bote.email.Email;
 import i2p.bote.email.EmailIdentity;
 import i2p.bote.fileencryption.PasswordException;
+import i2p.bote.packet.dht.Contact;
 import android.app.Activity;
 import android.content.Context;
 import android.os.Bundle;
@@ -29,7 +35,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.EditText;
-import android.widget.MultiAutoCompleteTextView;
 import android.widget.Spinner;
 import android.widget.TextView;
 
@@ -59,7 +64,8 @@ public class NewEmailFragment extends Fragment {
 
     Spinner mSpinner;
     int mDefaultPos;
-    MultiAutoCompleteTextView mRecipients;
+    ArrayAdapter<Person> mAdapter;
+    ContactsCompletionView mRecipients;
     EditText mSubject;
     EditText mContent;
 
@@ -84,12 +90,32 @@ public class NewEmailFragment extends Fragment {
         mSpinner.setAdapter(identities);
         mSpinner.setSelection(mDefaultPos);
 
-        mRecipients = (MultiAutoCompleteTextView) view.findViewById(R.id.recipients);
-        mRecipients.setAdapter(null); // TODO: Implement
-        mRecipients.setTokenizer(new MultiAutoCompleteTextView.CommaTokenizer());
+        List<Person> contacts = new ArrayList<Person>();
+        try {
+            for (Contact contact : I2PBote.getInstance().getAddressBook().getAll()) {
+                contacts.add(new Person(contact.getName(), contact.getBase64Dest()));
+            }
+        } catch (PasswordException e) {
+            // TODO handle
+            e.printStackTrace();
+        }
+        mAdapter = new FilteredArrayAdapter<Person>(getActivity(), android.R.layout.simple_list_item_1, contacts) {
+            @Override
+            protected boolean keepObject(Person obj, String mask) {
+                mask = mask.toLowerCase(Locale.US);
+                return obj.getName().toLowerCase(Locale.US).startsWith(mask) || obj.getAddress().toLowerCase(Locale.US).startsWith(mask);
+            }
+        };
+
+        mRecipients = (ContactsCompletionView) view.findViewById(R.id.recipients);
+        mRecipients.setAdapter(mAdapter);
 
         mSubject = (EditText) view.findViewById(R.id.subject);
         mContent = (EditText) view.findViewById(R.id.message);
+
+        if (savedInstanceState == null) {
+            mRecipients.setPrefix(getResources().getString(R.string.to));
+        }
     }
 
     @Override
@@ -124,8 +150,11 @@ public class NewEmailFragment extends Fragment {
             // Bote versions to see a sender (and validate the signature).
             email.setSender(ia);
 
-            // TODO: Implement properly
-            email.addRecipient(Message.RecipientType.TO, ia);
+            for (Object obj : mRecipients.getObjects()) {
+                Person person = (Person) obj;
+                email.addRecipient(Message.RecipientType.TO, new InternetAddress(
+                        person.getAddress(), person.getName()));
+            }
 
             email.setSubject(mSubject.getText().toString(), "UTF-8");
 

src/i2p/bote/android/util/ContactsCompletionView.java

@@ -0,0 +1,74 @@
+package i2p.bote.android.util;
+
+import java.security.GeneralSecurityException;
+import java.util.SortedSet;
+
+import i2p.bote.I2PBote;
+import i2p.bote.android.R;
+import i2p.bote.email.EmailDestination;
+import i2p.bote.fileencryption.PasswordException;
+import i2p.bote.packet.dht.Contact;
+import android.app.Activity;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import com.tokenautocomplete.TokenCompleteTextView;
+
+public class ContactsCompletionView extends TokenCompleteTextView {
+    public ContactsCompletionView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        allowDuplicates(false);
+    }
+
+    @Override
+    protected View getViewForObject(Object object) {
+        Person person = (Person) object;
+
+        LayoutInflater l = (LayoutInflater)getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
+        LinearLayout view = (LinearLayout)l.inflate(R.layout.contact_token, (ViewGroup)ContactsCompletionView.this.getParent(), false);
+        ((TextView)view.findViewById(R.id.contact_name)).setText(person.getName());
+
+        return view;
+    }
+
+    @Override
+    protected Object defaultObject(String completionText) {
+        // Stupid simple example of guessing if we have an email or not
+        int index = completionText.indexOf('@');
+        if (index == -1) {
+            try {
+                // Check if it is a known Destination
+                Contact c = BoteHelper.getContact(completionText);
+                if (c != null)
+                    return new Person(c.getName(), c.getBase64Dest());
+
+                // Check if it is a name
+                SortedSet<Contact> contacts = I2PBote.getInstance().getAddressBook().getAll();
+                for (Contact contact : contacts) {
+                    if (contact.getName().startsWith(completionText))
+                        return new Person(contact.getName(), contact.getBase64Dest());
+                }
+
+                // Try as a new Destination
+                try {
+                    new EmailDestination(completionText);
+                    return new Person(completionText.substring(0, 5), completionText);
+                } catch (GeneralSecurityException e) {
+                    // Not a valid Destination
+                    // Assume the user meant an external address
+                    return new Person(completionText, completionText.replace(" ", "") + "@example.com", true);
+                }
+            } catch (PasswordException e) {
+                // TODO handle
+                return new Person(completionText, completionText.replace(" ", "") + "@example.com", true);
+            }
+        } else {
+            return new Person(completionText.substring(0, index), completionText, true);
+        }
+    }
+}

src/i2p/bote/android/util/Person.java

@@ -0,0 +1,27 @@
+package i2p.bote.android.util;
+
+import java.io.Serializable;
+
+public class Person implements Serializable {
+    private static final long serialVersionUID = -2874686247798691378L;
+    private String name;
+    private String address;
+    private boolean isExternal;
+
+    public Person(String n, String a) { this(n, a, false); }
+    public Person(String n, String a, boolean e) { name = n; address = a; isExternal = e; }
+
+    public String getName() { return name; }
+    public String getAddress() { return address; }
+    public boolean isExternal() { return isExternal; }
+
+    @Override
+    public boolean equals(Object other) {
+        if (!(other instanceof Person))
+            return false;
+        return address.equals(((Person)other).address);
+    }
+
+    @Override
+    public String toString() { return name; }
+}