diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java')
-rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java | 94 |
1 files changed, 94 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..81f5b843 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java @@ -0,0 +1,94 @@ +package de.thedevstack.conversationsplus.utils; + +import android.graphics.BitmapFactory; + +import java.net.URL; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import eu.siacs.conversations.entities.DownloadableFile; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.persistance.FileBackend; + +/** + * Created by tzur on 15.12.2015. + */ +public final class MessageUtil { + 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 + } +} |