1 files changed, 125 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
new file mode 100644
index 00000000..ca24bd1d
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
@@ -0,0 +1,125 @@
+package de.thedevstack.conversationsplus.utils;
+
+import android.graphics.BitmapFactory;
+
+import java.net.URL;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import de.thedevstack.conversationsplus.ConversationsPlusApplication;
+
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.DownloadableFile;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.persistance.DatabaseBackend;
+import eu.siacs.conversations.persistance.FileBackend;
+
+/**
+ * Utility class to work with messages.
+ */
+public final class MessageUtil {
+
+
+    public static boolean markMessage(Conversation conversation, String uuid, int status) {
+        if (uuid == null) {
+            return false;
+        } else {
+            Message message = conversation.findSentMessageWithUuid(uuid);
+            if (message != null) {
+                markMessage(message, status);
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
+
+    public static void markMessage(Message message, int status) {
+        if (status == Message.STATUS_SEND_FAILED
+                && (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
+                .getStatus() == Message.STATUS_SEND_DISPLAYED)) {
+            return;
+        }
+        message.setStatus(status);
+        DatabaseBackend.getInstance(ConversationsPlusApplication.getAppContext()).updateMessage(message);
+        UiUpdateHelper.updateConversationUi();
+    }
+
+    public static boolean wasHighlightedOrPrivate(final Message message) {
+        final String nick = message.getConversation().getMucOptions().getActualNick();
+        final Pattern highlight = generateNickHighlightPattern(nick);
+        if (message.getBody() == null || nick == null) {
+            return false;
+        }
+        final Matcher m = highlight.matcher(message.getBody());
+        return (m.find() || message.getType() == Message.TYPE_PRIVATE);
+    }
+
+    private static Pattern generateNickHighlightPattern(final String nick) {
+        // We expect a word boundary, i.e. space or start of string, followed by
+        // the
+        // nick (matched in case-insensitive manner), followed by optional
+        // punctuation (for example "bob: i disagree" or "how are you alice?"),
+        // followed by another word boundary.
+        return Pattern.compile("\\b" + Pattern.quote(nick) + "\\p{Punct}?\\b",
+                Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
+    }
+
+    public static void updateMessageWithImageDetails(Message message, String filePath, long size, int imageWidth, int imageHeight) {
+        message.setRelativeFilePath(filePath);
+        MessageUtil.updateMessageBodyWithImageParams(message, size, imageWidth, imageHeight);
+    }
+
+    public static void updateFileParams(Message message) {
+        updateFileParams(message, null);
+    }
+
+    public static void updateFileParams(Message message, URL url) {
+        DownloadableFile file = FileBackend.getFile(message);
+        int imageWidth = -1;
+        int imageHeight = -1;
+        if (message.getType() == Message.TYPE_IMAGE || file.getMimeType().startsWith("image/")) {
+            BitmapFactory.Options options = new BitmapFactory.Options();
+            options.inJustDecodeBounds = true;
+            BitmapFactory.decodeFile(file.getAbsolutePath(), options);
+            imageHeight = options.outHeight;
+            imageWidth = options.outWidth;
+        }
+
+        MessageUtil.updateMessageBodyWithFileParams(message, url, file.getSize(), imageWidth, imageHeight);
+    }
+
+    private static void updateMessageBodyWithFileParams(Message message, URL url, long fileSize, int imageWidth, int imageHeight) {
+        message.setBody(MessageUtil.getMessageBodyWithImageParams(url, fileSize, imageWidth, imageHeight));
+    }
+
+    private static void updateMessageBodyWithImageParams(Message message, long size, int imageWidth, int imageHeight) {
+        MessageUtil.updateMessageBodyWithImageParams(message, null, size, imageWidth, imageHeight);
+    }
+
+    private static void updateMessageBodyWithImageParams(Message message, URL url, long size, int imageWidth, int imageHeight) {
+        message.setBody(MessageUtil.getMessageBodyWithImageParams(url, size, imageWidth, imageHeight));
+    }
+
+    private static String getMessageBodyWithImageParams(URL url, long size, int imageWidth, int imageHeight) {
+        StringBuilder sb = new StringBuilder();
+        if (null != url) {
+            sb.append(url.toString());
+            sb.append('|');
+        }
+        sb.append(size);
+        if (-1 < imageWidth) {
+            sb.append('|');
+            sb.append(imageWidth);
+        }
+        if (-1 < imageHeight) {
+            sb.append('|');
+            sb.append(imageHeight);
+        }
+        return sb.toString();
+    }
+
+    private MessageUtil() {
+        // Static helper class
+    }
+}