Implements FS#19, FS#84; Introduces ImageResizeException, MessageUtil and distinguishes between image resizing and compressing/saving

1 files changed, 72 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..c04ebdb8
--- /dev/null
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
@@ -0,0 +1,72 @@
+package de.thedevstack.conversationsplus.utils;
+
+import android.graphics.BitmapFactory;
+
+import java.net.URL;
+
+import de.thedevstack.conversationsplus.entities.DownloadableFile;
+import de.thedevstack.conversationsplus.entities.Message;
+import de.thedevstack.conversationsplus.persistance.FileBackend;
+
+/**
+ * Created by tzur on 15.12.2015.
+ */
+public final class MessageUtil {
+    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
+    }
+}