[PATCH spice-html5] spiceconn: Add function to test channel capabilities

[Tomáš Bohdálek <tom.bohdalek@xxxxxxxxx>]

This will be used in other commits.
---
 spiceconn.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/spiceconn.js b/spiceconn.js
index 33e7388..d76f8e2 100644
--- a/spiceconn.js
+++ b/spiceconn.js
@@ -243,6 +243,9 @@ SpiceConn.prototype =
         else if (this.state == "link")
         {
             this.reply_link = new SpiceLinkReply(mb);
+            this.common_caps = this.reply_link.common_caps;
+            this.channel_caps = this.reply_link.channel_caps;
+
              // FIXME - Screen the caps - require minihdr at least, right?
             if (this.reply_link.error)
             {
@@ -495,6 +498,22 @@ SpiceConn.prototype =
         var e = new Error("Connection timed out.");
         this.report_error(e);
     },
+
+    test_capability: function(caps, cap)
+    {
+        var ret = (caps >> cap).toString(2) & 1;
+        return ret;
+    },
+
+    channel_test_capability: function(cap)
+    {
+        return this.test_capability(this.channel_caps, cap);
+    },
+
+    channel_test_common_capability: function(cap)
+    {
+        return this.test_capability(this.common_caps, cap);
+    }
 }
 
 function spiceconn_timeout(sc)
-- 
2.9.4

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