Bug 419343 - allow drag & drop of events from today pane;r=daniel

calendar/base/content/agenda-listbox.xml

@@ -147,6 +147,13 @@
         ]]></body>
       </method>
     </implementation>
+    <handlers>
+      <handler event="draggesture" phase="capturing"><![CDATA[
+        invokeEventDragSession(this.mAllDayItem.occurrence.clone(), this);
+        event.stopPropagation();
+        event.preventDefault();
+      ]]></handler>
+    </handlers>
   </binding>
 
   <binding id="agenda-richlist-item"
@@ -200,5 +207,10 @@
         ]]></body>
       </method>
     </implementation>
+    <handlers>
+      <handler event="draggesture"><![CDATA[
+        invokeEventDragSession(this.mOccurrence.clone(), this);
+      ]]></handler>
+    </handlers>
   </binding>
 </bindings>

calendar/base/content/calendar-dnd-listener.js

@@ -570,7 +570,7 @@ function invokeEventDragSession(aItem, aXULBox) {
     let supArray = Components.classes["@mozilla.org/supports-array;1"]
                    .createInstance(Components.interfaces.nsISupportsArray);
     supArray.AppendElement(transfer);
-
+    aXULBox.sourceObject = aItem;
     cal.getDragService().invokeDragSession(aXULBox, supArray, null, action);
 }
 

calendar/base/content/calendar-task-tree.xml

@@ -1125,29 +1125,7 @@
           ASSERT(false, "Error while building selection region: " + ex + "\n");
           region = null;
         }
-
-        var dragService = Components.classes["@mozilla.org/widget/dragservice;1"].
-                          getService(Components.interfaces.nsIDragService);
-        var transfer = Components.classes["@mozilla.org/widget/transferable;1"].
-                       createInstance(Components.interfaces.nsITransferable);
-        transfer.addDataFlavor("text/calendar");
-
-        var serializer = Components.classes["@mozilla.org/calendar/ics-serializer;1"].
-                                    createInstance(Components.interfaces.calIIcsSerializer);
-        serializer.addItems([item], 1);
-
-        var supportsString = Components.classes["@mozilla.org/supports-string;1"].
-                             createInstance(Components.interfaces.nsISupportsString);
-        supportsString.data = serializer.serializeToString();
-        transfer.setTransferData("text/calendar", supportsString, supportsString.data.length*2);
-        transfer.setTransferData("text/unicode", supportsString, supportsString.data.length*2);
-
-        var action = dragService.DRAGDROP_ACTION_MOVE;
-        var supArray = Components.classes["@mozilla.org/supports-array;1"].
-                       createInstance(Components.interfaces.nsISupportsArray);
-        supArray.AppendElement(transfer);
-
-        dragService.invokeDragSession(event.target, supArray, region, action);
+        invokeEventDragSession(item, event.target);
       ]]></handler>
     </handlers>
 

calendar/base/content/widgets/calendar-widgets.xml

@@ -349,7 +349,7 @@
               if (session) {
                   session.canDrop = true;
                   if (aVal == "true") {
-                      this.mDropShadows = [session.sourceNode.occurrence];
+                      this.mDropShadows = [session.sourceNode.sourceObject];
                       this.addDropShadows();
                   } else {
                       this.removeDropShadows();
@@ -387,7 +387,7 @@
       <handler event="dragdrop"><![CDATA[
          event.stopPropagation();
          let session = cal.getDragService().getCurrentSession();
-         let item = session.sourceNode.occurrence.clone();
+         let item = session.sourceNode.sourceObject.clone();
          this.setAttribute("dropbox", "false");
          let transfer = Components.classes["@mozilla.org/widget/transferable;1"].
                         createInstance(Components.interfaces.nsITransferable);
@@ -404,10 +404,10 @@
          // sourceNode property and get the event that way
          //transfer.getAnyTransferData(flavor, data, {});
 
-         if (!session.sourceNode || !session.sourceNode.occurrence) {
+         if (!session.sourceNode || !session.sourceNode.sourceObject) {
              return;
          }
-         let item = session.sourceNode.occurrence;
+         let item = session.sourceNode.sourceObject;
          let newItem = this.onDropItem(item, session).clone();
          let newStart = newItem.startDate || newItem.entryDate;
          let newEnd = newItem.endDate || newItem.dueDate;