added notification when new extra file is shared, so that shared files updates

libretroshare/src/ft/ftextralist.cc

@@ -129,6 +129,11 @@ void ftExtraList::hashAFile()
 		mHashedList[details.info.path] = details.info.hash;
 	
 		IndicateConfigChanged();
+
+        auto ev = std::make_shared<RsSharedDirectoriesEvent>();
+        ev->mEventCode = RsSharedDirectoriesEventCode::EXTRA_LIST_FILE_ADDED;
+        if(rsEvents)
+            rsEvents->postEvent(ev);
 	}
 }
 
@@ -195,6 +200,12 @@ bool ftExtraList::removeExtraFile(const RsFileHash& hash)
 
 	IndicateConfigChanged();
 
+    if(rsEvents)
+    {
+        auto ev = std::make_shared<RsSharedDirectoriesEvent>();
+        ev->mEventCode = RsSharedDirectoriesEventCode::EXTRA_LIST_FILE_REMOVED;
+        rsEvents->postEvent(ev);
+    }
 	return true;
 }
 

libretroshare/src/retroshare/rsfiles.h

@@ -184,6 +184,8 @@ enum class RsSharedDirectoriesEventCode: uint8_t {
     HASHING_FILE                = 0x02, // mMessage: full path and hashing speed of the file being hashed
     DIRECTORY_SWEEP_ENDED       = 0x03, // (void)
     SAVING_FILE_INDEX           = 0x04, // (void)
+    EXTRA_LIST_FILE_ADDED       = 0x05, // (void)
+    EXTRA_LIST_FILE_REMOVED     = 0x06, // (void)
 };
 
 enum class RsFileTransferEventCode: uint8_t {

retroshare-gui/src/gui/RemoteDirModel.cpp

@@ -30,6 +30,7 @@
 #include "retroshare/rsfiles.h"
 #include "retroshare/rspeers.h"
 #include "util/misc.h"
+#include "util/qtthreadsutils.h"
 #include "retroshare/rsexpr.h"
 
 #include <QDir>
@@ -63,6 +64,37 @@ RetroshareDirModel::RetroshareDirModel(bool mode, QObject *parent)
 	treeStyle();
 
 	mDirDetails.ref = (void*)intptr_t(0xffffffff) ;
+
+    rsEvents->registerEventsHandler(
+                [this](std::shared_ptr<const RsEvent> event)
+                {
+                    RsQThreadUtils::postToObject( [this,event]()  {  handleEvent_main_thread(event);  });
+                },
+                mEventHandlerId,
+                RsEventType::SHARED_DIRECTORIES );
+}
+
+RetroshareDirModel::~RetroshareDirModel()
+{
+    rsEvents->unregisterEventsHandler(mEventHandlerId);
+}
+void RetroshareDirModel::handleEvent_main_thread(std::shared_ptr<const RsEvent> event)
+{
+    if(event->mType != RsEventType::SHARED_DIRECTORIES) return;
+
+    const RsSharedDirectoriesEvent *fe = dynamic_cast<const RsSharedDirectoriesEvent*>(event.get());
+    if(!fe)
+        return;
+
+    switch (fe->mEventCode)
+    {
+    case RsSharedDirectoriesEventCode::EXTRA_LIST_FILE_ADDED:
+    case RsSharedDirectoriesEventCode::EXTRA_LIST_FILE_REMOVED:
+        update();
+        break;
+    default:
+        break;
+    }
 }
 
 TreeStyle_RDM::TreeStyle_RDM(bool mode)

retroshare-gui/src/gui/RemoteDirModel.h

@@ -22,6 +22,7 @@
 #define REMOTE_DIR_MODEL
 
 #include <retroshare/rstypes.h>
+#include <retroshare/rsevents.h>
 
 #include <QAbstractItemModel>
 #include <QAction>
@@ -63,7 +64,7 @@ class RetroshareDirModel : public QAbstractItemModel
 		enum Roles{ FileNameRole = Qt::UserRole+1, SortRole = Qt::UserRole+2, FilterRole = Qt::UserRole+3 };
 
 		RetroshareDirModel(bool mode, QObject *parent = 0);
-		virtual ~RetroshareDirModel() {}
+        virtual ~RetroshareDirModel() ;
 
         virtual Qt::ItemFlags flags ( const QModelIndex & index ) const;
 
@@ -107,6 +108,8 @@ class RetroshareDirModel : public QAbstractItemModel
 	protected:
 		bool _visible ;
 
+        void handleEvent_main_thread(std::shared_ptr<const RsEvent> event);
+
         void treeStyle();
 		void downloadDirectory(const DirDetails & details, int prefixLen);
 		static QString getFlagsString(FileStorageFlags f) ;
@@ -176,6 +179,8 @@ class RetroshareDirModel : public QAbstractItemModel
         bool mUpdating ;
 
 		std::set<void*> mFilteredPointers ;
+
+        RsEventsHandlerId_t mEventHandlerId;
 };
 
 // This class shows the classical hierarchical directory view of shared files