From 8a5d2208a5436e82d1a1d63a59429d9533119a3b Mon Sep 17 00:00:00 2001
From: sledgehammer999 <hammered999@gmail.com>
Date: Sun, 10 May 2015 02:31:35 +0300
Subject: [PATCH] Fix UI freeze when right clicking on a torrent with
 libtorrent 1.0.x. Thanks to pmzqla for finding the root issue. Closes #2365
 #2388.

---
 src/core/qtlibtorrent/qbtsession.cpp | 15 ---------------
 src/core/qtlibtorrent/qbtsession.h   |  1 -
 src/gui/transferlistwidget.cpp       |  2 +-
 3 files changed, 1 insertion(+), 17 deletions(-)

diff --git a/src/core/qtlibtorrent/qbtsession.cpp b/src/core/qtlibtorrent/qbtsession.cpp
index aaa8f8c18..fc42aa6da 100644
--- a/src/core/qtlibtorrent/qbtsession.cpp
+++ b/src/core/qtlibtorrent/qbtsession.cpp
@@ -1694,21 +1694,6 @@ void QBtSession::saveFastResumeData() {
     }
 }
 
-bool QBtSession::isFilePreviewPossible(const QString &hash) const {
-    // See if there are supported files in the torrent
-    const QTorrentHandle h = getTorrentHandle(hash);
-    if (!h.is_valid() || !h.has_metadata()) {
-        return false;
-    }
-    const unsigned int nbFiles = h.num_files();
-    for (unsigned int i=0; i<nbFiles; ++i) {
-        const QString extension = fsutils::fileExtension(h.filename_at(i));
-        if (misc::isPreviewable(extension))
-            return true;
-    }
-    return false;
-}
-
 void QBtSession::addTorrentsFromScanFolder(QStringList &pathList)
 {
     foreach (const QString &file, pathList) {
diff --git a/src/core/qtlibtorrent/qbtsession.h b/src/core/qtlibtorrent/qbtsession.h
index cfc96edb7..aac6ae7ac 100644
--- a/src/core/qtlibtorrent/qbtsession.h
+++ b/src/core/qtlibtorrent/qbtsession.h
@@ -120,7 +120,6 @@ public:
     ~QBtSession();
     QTorrentHandle getTorrentHandle(const QString &hash) const;
     std::vector<libtorrent::torrent_handle> getTorrents() const;
-    bool isFilePreviewPossible(const QString& hash) const;
     qreal getPayloadDownloadRate() const;
     qreal getPayloadUploadRate() const;
     libtorrent::session_status getSessionStatus() const;
diff --git a/src/gui/transferlistwidget.cpp b/src/gui/transferlistwidget.cpp
index 9909e127a..db5fbc65f 100644
--- a/src/gui/transferlistwidget.cpp
+++ b/src/gui/transferlistwidget.cpp
@@ -852,7 +852,7 @@ void TransferListWidget::displayListMenu(const QPoint&)
                 has_pause = true;
             }
         }
-        if (h.has_metadata() && BTSession->isFilePreviewPossible(hash) && !has_preview)
+        if (h.has_metadata() && !has_preview)
             has_preview = true;
         first = false;
         if (has_pause && has_start && has_force && has_preview && one_not_seed) break;