Updating branch refs/heads/master
         to e49eff41725bc101542cacfed0bf2678363fe5f7 (commit)
       from 0b9e9c2802362545d08c7711797d0ac5b3f74504 (commit)

commit e49eff41725bc101542cacfed0bf2678363fe5f7
Author: Christian Dywan <christ...@twotoasts.de>
Date:   Mon May 31 20:48:28 2010 +0200

    Render emoticons lazily only when needed

 postler/postler-content.vala |   51 ++++++++++++++++++++++++++++++-----------
 1 files changed, 37 insertions(+), 14 deletions(-)

diff --git a/postler/postler-content.vala b/postler/postler-content.vala
index b45ed93..e145da5 100644
--- a/postler/postler-content.vala
+++ b/postler/postler-content.vala
@@ -114,6 +114,36 @@ public class Postler.Content : WebKit.WebView {
         { "~_^", "face-wink" },
         { "^_~", "face-wink" }
     };
+
+    static bool evaluate_emoticon (GLib.MatchInfo     match_info,
+                                   GLib.StringBuilder result,
+                                   void*              user_data) {
+        EmoticonMapping emoticon = *(EmoticonMapping*)user_data;
+        Gdk.Pixbuf pixbuf = null;
+        try {
+            pixbuf = Gtk.IconTheme.get_for_screen (
+                Gdk.Screen.get_default ()).load_icon (emoticon.icon_name, 1, 
0);
+        } catch (GLib.Error error) { }
+        if (pixbuf == null)
+            true;
+        string buffer;
+        size_t buffer_size;
+        try {
+            if (!Gdk.pixbuf_save_to_buffer (pixbuf, out buffer,
+                out buffer_size, "png", null, null))
+            return true;
+        }
+        catch (GLib.Error error) {
+            return true;
+        }
+
+        string encoded = GLib.base64_encode (buffer, buffer_size);
+        string data_uri = "data:image/png;base64," + encoded;
+        result.append (" <img src=\"" + data_uri + "\" " +
+                       "title=\"" + emoticon.token + "\"/>");
+        return false;
+    }
+
     const string[] link_formats = {
         "(https?:\\/\\/\\S+)",
         "([a-za-z0-9.\\...@[a-za-z0-9.\\-]+[a-za-z0-9.]+)"
@@ -345,20 +375,13 @@ public class Postler.Content : WebKit.WebView {
 
             /* Emoticons */
             foreach (var emoticon in emoticons) {
-                var pixbuf = Gtk.IconTheme.get_for_screen (
-                    get_screen ()).load_icon (emoticon.icon_name, 1, 0);
-                if (pixbuf == null)
-                    continue;
-                string buffer;
-                size_t buffer_size;
-                if (!Gdk.pixbuf_save_to_buffer (pixbuf, out buffer,
-                    out buffer_size, "png", null, null))
-                    continue;
-                string encoded = GLib.base64_encode (buffer, buffer_size);
-                string data_uri = "data:image/png;base64," + encoded;
-                body_chunk = body_chunk.replace (" " + emoticon.token,
-                    "<img src=\"" + data_uri + "\" " +
-                    "title=\"" + emoticon.token + "\"/>");
+                try {
+                    var escaped = GLib.Regex.escape_string (" " + 
emoticon.token);
+                    var regex = new GLib.Regex (escaped);
+                    body_chunk = regex.replace_eval (body_chunk, -1, 0, 0,
+                                                     evaluate_emoticon, 
&emoticon);
+                }
+                catch (GLib.RegexError error) { }
             }
 
             load_string ("""
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