Format outgoing MMS using SMIL.

// FREEBIE

Closes #1879

src/org/thoughtcrime/securesms/util/SmilUtil.java

@@ -0,0 +1,75 @@
+package org.thoughtcrime.securesms.util;
+
+import android.util.Log;
+
+import org.thoughtcrime.securesms.dom.smil.SmilDocumentImpl;
+import org.thoughtcrime.securesms.mms.Slide;
+import org.thoughtcrime.securesms.mms.SlideDeck;
+import org.w3c.dom.smil.SMILDocument;
+import org.w3c.dom.smil.SMILElement;
+import org.w3c.dom.smil.SMILLayoutElement;
+import org.w3c.dom.smil.SMILMediaElement;
+import org.w3c.dom.smil.SMILParElement;
+import org.w3c.dom.smil.SMILRegionElement;
+import org.w3c.dom.smil.SMILRegionMediaElement;
+import org.w3c.dom.smil.SMILRootLayoutElement;
+
+public class SmilUtil {
+  private static final String TAG = SmilUtil.class.getSimpleName();
+
+  public static final int ROOT_HEIGHT = 1024;
+  public static final int ROOT_WIDTH  = 1024;
+
+  public static SMILDocument createSmilDocument(SlideDeck deck) {
+    Log.w(TAG, "Creating SMIL document from SlideDeck.");
+
+    SMILDocument document = new SmilDocumentImpl();
+
+    SMILElement smilElement = (SMILElement) document.createElement("smil");
+    document.appendChild(smilElement);
+
+    SMILElement headElement = (SMILElement) document.createElement("head");
+    smilElement.appendChild(headElement);
+
+    SMILLayoutElement layoutElement = (SMILLayoutElement) document.createElement("layout");
+    headElement.appendChild(layoutElement);
+
+    SMILRootLayoutElement rootLayoutElement = (SMILRootLayoutElement) document.createElement("root-layout");
+    rootLayoutElement.setWidth(ROOT_WIDTH);
+    rootLayoutElement.setHeight(ROOT_HEIGHT);
+    layoutElement.appendChild(rootLayoutElement);
+
+    SMILElement bodyElement = (SMILElement) document.createElement("body");
+    smilElement.appendChild(bodyElement);
+
+    SMILParElement par = (SMILParElement) document.createElement("par");
+    bodyElement.appendChild(par);
+
+    for (Slide slide : deck.getSlides()) {
+      SMILRegionElement regionElement = slide.getSmilRegion(document);
+      SMILMediaElement  mediaElement  = slide.getMediaElement(document);
+
+      if (regionElement != null) {
+        ((SMILRegionMediaElement)mediaElement).setRegion(regionElement);
+        layoutElement.appendChild(regionElement);
+      }
+      par.appendChild(mediaElement);
+    }
+
+    return document;
+  }
+
+  public static SMILMediaElement createMediaElement(String tag, SMILDocument document, String src) {
+    SMILMediaElement mediaElement = (SMILMediaElement) document.createElement(tag);
+    mediaElement.setSrc(escapeXML(src));
+    return mediaElement;
+  }
+
+  private static String escapeXML(String str) {
+    return str.replaceAll("&","&")
+              .replaceAll("<", "&lt;")
+              .replaceAll(">", "&gt;")
+              .replaceAll("\"", "&quot;")
+              .replaceAll("'", "&apos;");
+  }
+}