i2p.bote -> i2p.bote.android

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

@@ -0,0 +1,113 @@
+package i2p.bote.android.util;
+
+import java.io.IOException;
+import java.security.GeneralSecurityException;
+
+import javax.mail.MessagingException;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.util.Base64;
+
+import i2p.bote.android.R;
+import i2p.bote.email.EmailDestination;
+import i2p.bote.email.EmailIdentity;
+import i2p.bote.fileencryption.PasswordException;
+import i2p.bote.folder.EmailFolder;
+import i2p.bote.packet.dht.Contact;
+import i2p.bote.util.GeneralHelper;
+
+public class BoteHelper extends GeneralHelper {
+    /**
+     * Get the translated name of the folder.
+     * Built-in folders are special-cased; other folders are created by the
+     * user, so their name is already "translated".
+     * @param ctx Android Context to get strings from.
+     * @param folder The folder.
+     * @param showNew Should the name contain the number of new messages?
+     * @return The name of the folder.
+     * @throws PasswordException
+     */
+    public static String getFolderDisplayName(Context ctx, EmailFolder folder) {
+        String name = folder.getName();
+        if ("inbox".equals(name))
+            return ctx.getResources().getString(R.string.folder_inbox);
+        else if ("outbox".equals(name))
+            return ctx.getResources().getString(R.string.folder_outbox);
+        else if ("sent".equals(name))
+            return ctx.getResources().getString(R.string.folder_sent);
+        else if ("trash".equals(name))
+            return ctx.getResources().getString(R.string.folder_trash);
+        else
+            return name;
+    }
+
+    /**
+     * Get the translated name of the folder with the number of
+     * new messages it contains appended.
+     * @param ctx Android Context to get strings from.
+     * @param folder The folder.
+     * @return The name of the folder.
+     * @throws PasswordException
+     */
+    public static String getFolderDisplayNameWithNew(Context ctx, EmailFolder folder) throws PasswordException {
+        String displayName = getFolderDisplayName(ctx, folder);
+
+        int numNew = folder.getNumNewEmails();
+        if (numNew > 0)
+            displayName = displayName + " (" + numNew + ")";
+
+        return displayName;
+    }
+
+    public static String getDisplayAddress(String address) throws PasswordException, IOException, GeneralSecurityException, MessagingException {
+        String fullAdr = getNameAndDestination(address);
+        String emailDest = extractEmailDestination(fullAdr);
+        String name = extractName(fullAdr);
+
+        return (emailDest == null ? address
+                : (name.isEmpty() ? emailDest.substring(0, 10)
+                        : name + " <" + emailDest.substring(0, 10) + "...>"));
+    }
+
+    /**
+     * Get a Bitmap containing the picture for the contact or identity
+     * corresponding to the given address.
+     * @param address
+     * @return a Bitmap, or null if no picture was found.
+     * @throws PasswordException
+     * @throws IOException
+     * @throws GeneralSecurityException
+     */
+    public static Bitmap getPictureForAddress(String address) throws PasswordException, IOException, GeneralSecurityException {
+        String fullAdr = getNameAndDestination(address);
+
+        if (!address.equals(fullAdr)) {
+            // Address was found; try address book first
+            String base64dest = EmailDestination.extractBase64Dest(fullAdr);
+            Contact c = getContact(base64dest);
+            if (c != null) {
+                // Address is in address book
+                String pic = c.getPictureBase64();
+                if (pic != null) {
+                    byte[] decodedPic = Base64.decode(pic, Base64.DEFAULT);
+                    return BitmapFactory.decodeByteArray(decodedPic, 0, decodedPic.length);
+                }
+            } else {
+                // Address is an identity
+                EmailIdentity i = getIdentity(base64dest);
+                if (i != null) {
+                    String pic = i.getPictureBase64();
+                    if (pic != null) {
+                        byte[] decodedPic = Base64.decode(pic, Base64.DEFAULT);
+                        return BitmapFactory.decodeByteArray(decodedPic, 0, decodedPic.length);
+                    }
+                }
+            }
+        }
+
+        // Address not found anywhere, or found and has no picture
+        return null;
+    }
+}