Handling cursor caching

Signed-off-by: Vincent Desprez <vincent.desprez@apwise.com>

1 files changed, 8 insertions, 2 deletions

diff --git a/cursor.js b/cursor.js
index 296fbde..13195b1 100644
--- a/cursor.js
+++ b/cursor.js
@@ -59,7 +59,7 @@ SpiceCursorConn.prototype.process_channel_message = function(msg)
             return true;
         }
 
-        if (cursor_set.flags > 0)
+        if (cursor_set.flags == SPICE_CURSOR_FLAGS_NONE)
             this.log_warn("FIXME: No support for cursor flags " + cursor_set.flags);
 
         if (cursor_set.cursor.header.type != SPICE_CURSOR_TYPE_ALPHA)
@@ -115,9 +115,15 @@ SpiceCursorConn.prototype.process_channel_message = function(msg)
     return false;
 }
 
+SpiceCursorConn.cursor_cache = [];
 SpiceCursorConn.prototype.set_cursor = function(cursor)
 {
-    var pngstr = create_rgba_png(cursor.header.height, cursor.header.width, cursor.data);
+    if (cursor.flags == SPICE_CURSOR_FLAGS_FROM_CACHE)
+        var pngstr = SpiceCursorConn.cursor_cache[cursor.header.unique[0]];
+    else
+        var pngstr = create_rgba_png(cursor.header.height, cursor.header.width, cursor.data);
+    if (cursor.flags == SPICE_CURSOR_FLAGS_CACHE_ME)
+        SpiceCursorConn.cursor_cache[cursor.header.unique[0]] = pngstr;
     var curstr = 'url(data:image/png,' + pngstr + ') ' + 
         cursor.header.hot_spot_x + ' ' + cursor.header.hot_spot_y + ", default";
     var screen = document.getElementById(this.parent.screen_id);