From bd5880843f1323042c965c49651e1ba8a5af518b Mon Sep 17 00:00:00 2001
From: Christophe Dumez <chris@qbittorrent.org>
Date: Sat, 9 Jan 2010 21:39:17 +0000
Subject: [PATCH] - flush cache before file preview (libtorrent >= 0.15 only)

---
 src/previewselect.h      |  4 ++++
 src/propertieswidget.cpp | 10 ++++++++--
 src/qtorrenthandle.cpp   |  5 +++++
 src/qtorrenthandle.h     |  1 +
 4 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/previewselect.h b/src/previewselect.h
index ba8f8f5d6..861460f1f 100644
--- a/src/previewselect.h
+++ b/src/previewselect.h
@@ -64,6 +64,10 @@ protected slots:
     QModelIndex index;
     QModelIndexList selectedIndexes = previewList->selectionModel()->selectedRows(NAME);
     if(selectedIndexes.size() == 0) return;
+#ifdef LIBTORRENT_0_15
+    // Flush data
+    h.flush_cache();
+#endif
     QString path;
     foreach(index, selectedIndexes){
       path = h.files_path().at(indexes.at(index.row()));
diff --git a/src/propertieswidget.cpp b/src/propertieswidget.cpp
index e60d8868f..c0f60c937 100644
--- a/src/propertieswidget.cpp
+++ b/src/propertieswidget.cpp
@@ -478,7 +478,10 @@ void PropertiesWidget::openDoubleClickedFile(QModelIndex index) {
     QString filename = misc::toQString(h.get_torrent_info().file_at(i).path.string());
     QString file_path = QDir::cleanPath(saveDir.absoluteFilePath(filename));
     qDebug("Trying to open file at %s", file_path.toLocal8Bit().data());
-    // TODO: Flush data (when libtorrent supports it)
+#ifdef LIBTORRENT_0_15
+    // Flush data
+    h.flush_cache();
+#endif
     if(QFile::exists(file_path))
       QDesktopServices::openUrl("file://"+file_path);
     else
@@ -496,7 +499,10 @@ void PropertiesWidget::openDoubleClickedFile(QModelIndex index) {
     QString filename = path_items.join(QDir::separator());
     QString file_path = QDir::cleanPath(saveDir.absoluteFilePath(filename));
     qDebug("Trying to open folder at %s", file_path.toLocal8Bit().data());
-    // TODO: Flush data (when libtorrent supports it)
+#ifdef LIBTORRENT_0_15
+    // Flush data
+    h.flush_cache();
+#endif
     if(QFile::exists(file_path))
       QDesktopServices::openUrl("file://"+file_path);
     else
diff --git a/src/qtorrenthandle.cpp b/src/qtorrenthandle.cpp
index 00a33971f..4ab23a0d0 100644
--- a/src/qtorrenthandle.cpp
+++ b/src/qtorrenthandle.cpp
@@ -547,6 +547,11 @@ void QTorrentHandle::super_seeding(bool on) const {
   Q_ASSERT(h.is_valid());
   h.super_seeding(on);
 }
+
+void QTorrentHandle::flush_cache() const {
+  Q_ASSERT(h.is_valid());
+  h.flush_cache();
+}
 #endif
 
 #ifndef DISABLE_GUI
diff --git a/src/qtorrenthandle.h b/src/qtorrenthandle.h
index 02b52741a..5c1d0aa41 100644
--- a/src/qtorrenthandle.h
+++ b/src/qtorrenthandle.h
@@ -153,6 +153,7 @@ class QTorrentHandle {
     void move_storage(QString path) const;
  #ifdef LIBTORRENT_0_15
     void super_seeding(bool on) const;
+    void flush_cache() const;
 #endif
 #ifndef DISABLE_GUI
     void resolve_countries(bool r);