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Fixed crash in ForumsDialog (second try).

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4261 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2011-06-13 23:46:45 +00:00
parent 9c7adc38b0
commit aa71b9320d
1 changed files with 75 additions and 31 deletions
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106
retroshare-gui/src/gui/ForumsDialog.cpp
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@ -707,36 +707,51 @@ void ForumsDialog::CalculateIconsAndFonts(QTreeWidgetItem *pItem /*= NULL*/)
void ForumsDialog::fillThreadFinished()
{
// thread has finished
if (fillThread == sender()) {
ui.progressBar->hide();
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::fillThreadFinished" << std::endl;
#endif
if (fillThread->wasStopped()) {
// thread has finished
ForumsFillThread *thread = dynamic_cast<ForumsFillThread*>(sender());
if (thread) {
if (thread == fillThread) {
// current thread has finished, hide progressbar and release thread
ui.progressBar->hide();
fillThread = NULL;
}
if (thread->wasStopped()) {
// thread was stopped
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::fillThreadFinished Thread was stopped" << std::endl;
#endif
} else {
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::fillThreadFinished Add messages" << std::endl;
#endif
/* add all messages in! */
if (lastViewType != fillThread->viewType || lastForumID != mCurrForumId) {
if (lastViewType != thread->viewType || lastForumID != mCurrForumId) {
ui.threadTreeWidget->clear();
lastViewType = fillThread->viewType;
lastViewType = thread->viewType;
lastForumID = mCurrForumId;
ui.threadTreeWidget->insertTopLevelItems(0, fillThread->items);
ui.threadTreeWidget->insertTopLevelItems(0, thread->items);
// clear list
fillThread->items.clear();
thread->items.clear();
} else {
FillThreads (fillThread->items, fillThread->expandNewMessages, fillThread->itemToExpand);
FillThreads (thread->items, thread->expandNewMessages, thread->itemToExpand);
// cleanup list
CleanupItems (fillThread->items);
CleanupItems (thread->items);
}
QList<QTreeWidgetItem*>::iterator Item;
for (Item = fillThread->itemToExpand.begin(); Item != fillThread->itemToExpand.end(); Item++) {
for (Item = thread->itemToExpand.begin(); Item != thread->itemToExpand.end(); Item++) {
if ((*Item)->isHidden() == false) {
(*Item)->setExpanded(true);
}
}
fillThread->itemToExpand.clear();
thread->itemToExpand.clear();
if (ui.filterPatternLineEdit->text().isEmpty() == false) {
FilterItems();
@ -749,9 +764,17 @@ void ForumsDialog::fillThreadFinished()
ui.newthreadButton->setEnabled (IS_FORUM_SUBSCRIBED(subscribeFlags));
}
fillThread->deleteLater();
fillThread = NULL;
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::fillThreadFinished Delete thread" << std::endl;
#endif
thread->deleteLater();
thread = NULL;
}
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::fillThreadFinished done" << std::endl;
#endif
}
void ForumsDialog::fillThreadProgress(int current, int count)
@ -770,11 +793,17 @@ void ForumsDialog::insertThreads()
#endif
if (fillThread) {
// delete fill thread
fillThread->stop();
delete(fillThread);
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::insertThreads() stop current fill thread" << std::endl;
#endif
// stop and disconnect current fill thread
ForumsFillThread *thread = fillThread;
fillThread = NULL;
// disconnect only the signal "progress", the signal "finished" is needed to delete the thread
thread->disconnect(this, SIGNAL(progress(int,int)));
thread->stop();
ui.progressBar->hide();
}
@ -835,12 +864,20 @@ void ForumsDialog::insertThreads()
connect(fillThread, SIGNAL(finished()), this, SLOT(fillThreadFinished()), Qt::BlockingQueuedConnection);
connect(fillThread, SIGNAL(progress(int,int)), this, SLOT(fillThreadProgress(int,int)));
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::insertThreads() Start fill thread" << std::endl;
#endif
// start thread
fillThread->start();
}
void ForumsDialog::FillThreads(QList<QTreeWidgetItem *> &ThreadList, bool expandNewMessages, QList<QTreeWidgetItem*> &itemToExpand)
{
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::FillThreads()" << std::endl;
#endif
int Index = 0;
QTreeWidgetItem *Thread;
QList<QTreeWidgetItem *>::iterator NewThread;
@ -908,6 +945,10 @@ void ForumsDialog::FillThreads(QList<QTreeWidgetItem *> &ThreadList, bool expand
}
}
}
#ifdef DEBUG_FORUMS
std::cerr << "ForumsDialog::FillThreads() done" << std::endl;
#endif
}
void ForumsDialog::FillChildren(QTreeWidgetItem *Parent, QTreeWidgetItem *NewParent, bool expandNewMessages, QList<QTreeWidgetItem*> &itemToExpand)
@ -1615,6 +1656,9 @@ ForumsFillThread::ForumsFillThread(ForumsDialog *parent)
ForumsFillThread::~ForumsFillThread()
{
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::~ForumsFillThread" << std::endl;
#endif
// remove all items (when items are available, the thread was terminated)
CleanupItems (items);
itemToExpand.clear();
@ -1622,13 +1666,15 @@ ForumsFillThread::~ForumsFillThread()
void ForumsFillThread::stop()
{
disconnect();
stopped = true;
wait();
}
void ForumsFillThread::run()
{
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run()" << std::endl;
#endif
uint32_t status;
std::list<ThreadInfoSummary> threads;
@ -1659,15 +1705,13 @@ void ForumsFillThread::run()
}
#ifdef DEBUG_FORUMS
std::cerr << "FForumsFillThread::run() Adding TopLevel Thread: mId: ";
std::cerr << tit->msgId << std::endl;
std::cerr << "ForumsFillThread::run() Adding TopLevel Thread: mId: " << tit->msgId << std::endl;
#endif
ForumMsgInfo msginfo;
if (rsForums->getForumMessage(forumId, tit->msgId, msginfo) == false) {
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() Failed to Get Msg";
std::cerr << std::endl;
std::cerr << "ForumsFillThread::run() Failed to Get Msg" << std::endl;
#endif
continue;
}
@ -1760,30 +1804,26 @@ void ForumsFillThread::run()
std::list<ThreadInfoSummary>::iterator mit;
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() Getting Children of : " << pId;
std::cerr << std::endl;
std::cerr << "ForumsFillThread::run() Getting Children of : " << pId << std::endl;
#endif
if (rsForums->getForumThreadMsgList(forumId, pId, msgs))
{
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() #Children " << msgs.size();
std::cerr << std::endl;
std::cerr << "ForumsFillThread::run() #Children " << msgs.size() << std::endl;
#endif
/* iterate through child */
for(mit = msgs.begin(); mit != msgs.end(); mit++)
{
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() adding " << mit->msgId;
std::cerr << std::endl;
std::cerr << "ForumsFillThread::run() adding " << mit->msgId << std::endl;
#endif
ForumMsgInfo msginfo;
if (rsForums->getForumMessage(forumId, mit->msgId, msginfo) == false) {
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() Failed to Get Msg";
std::cerr << std::endl;
std::cerr << "ForumsFillThread::run() Failed to Get Msg" << std::endl;
#endif
continue;
}
@ -1885,4 +1925,8 @@ void ForumsFillThread::run()
emit progress(++pos, count);
}
#ifdef DEBUG_FORUMS
std::cerr << "ForumsFillThread::run() stopped: " << (wasStopped() ? "yes" : "no") << std::endl;
#endif
}