experimental post delivery indicator. requires twister-core update.

home.html

@@ -309,6 +309,7 @@
             <div class="post-info">
                 <a href="#" class="post-info-name open-profile-modal"></a>
                 <span class="post-info-tag"></span>
+                <span class="post-info-sent"></span>
                 <a class="post-info-time"></a>
             </div>
             <p class="post-text"></p>

js/twister_formatpost.js

@@ -86,6 +86,9 @@ function postToElem( post, kind, promoted ) {
     postInfoName.text(n).attr('href', $.MAL.userUrl(n));
     getFullname( n, postInfoName );
     //elem.find('.post-info-tag').text("@" + n);
+    if( n === defaultScreenName ) {
+        setPostInfoSent(n,k,elem.find('.post-info-sent'));
+    }
     getAvatar( n, elem.find('.avatar') );
     elem.find('.post-info-time').text(timeGmtToText(t)).attr('title', timeSincePost(t));
 
@@ -141,6 +144,18 @@ function postToElem( post, kind, promoted ) {
     return elem;
 }
 
+function setPostInfoSent(n, k, item) {
+    getPostMaxAvailability(n,k, 
+        function(args,count) {
+            if( count >= 3 ) { // assume 3 peers (me + 2) is enough for "sent"
+                args.item.text("\u2713"); // check mark
+            } else {
+                args.item.text("\u231B"); // hour glass
+                setTimeout(setPostInfoSent,2000,n,k,item);
+            }
+        }, {n:n,k:k,item:item});
+}
+
 // format dmdata (returned by getdirectmsgs) to display in "snippet" per user list
 function dmDataToSnippetItem(dmData, remoteUser) {
     var dmItem = $("#dm-snippet-template").clone(true);

js/twister_io.js

@@ -398,6 +398,15 @@ function getPostsCount( username, item ) {
            }, {username:username,item:item} );
 }
 
+function getPostMaxAvailability(username, k, cbFunc, cbArg) {
+    twisterRpc("getpiecemaxseen", [username,k],
+               function(args, ret) {
+                   args.cbFunc(args.cbArg, ret);
+               }, {cbFunc:cbFunc, cbArg:cbArg},
+               function(args, ret) {
+                   console.log("getPostAvailability error");
+               }, {cbFunc:cbFunc, cbArg:cbArg});
+}
 
 function checkPubkeyExists(username, cbFunc, cbArg) {
     // pubkey is checked in block chain db.