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attempt to delay channel post loading on demand when displayed

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This commit is contained in:
csoler 2017-07-03 21:48:17 +02:00
parent e9f9856048
commit b6d5c55516
3 changed files with 48 additions and 16 deletions
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34
retroshare-gui/src/gui/feeds/GxsChannelPostItem.cpp
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@ -51,11 +51,13 @@ GxsChannelPostItem::GxsChannelPostItem(FeedHolder *feedHolder, uint32_t feedId,
{
setup();
requestGroup();
requestMessage();
requestComment();
mLoaded = false ;
}
// This code has been suspended because it adds more complexity than usefulness.
// It was used to load a channel post where the post item is already known.
#ifdef SUSPENDED
GxsChannelPostItem::GxsChannelPostItem(FeedHolder *feedHolder, uint32_t feedId, const RsGxsChannelGroup &group, const RsGxsChannelPost &post, bool isHome, bool autoUpdate) :
GxsFeedItem(feedHolder, feedId, post.mMeta.mGroupId, post.mMeta.mMsgId, isHome, rsGxsChannels, autoUpdate)
{
@ -82,9 +84,9 @@ GxsChannelPostItem::GxsChannelPostItem(FeedHolder *feedHolder, uint32_t feedId,
setup();
setGroup(group, false);
//requestGroup(); //Already have RsGxsChannelGroup
setPost(post);
requestComment();
setPost(post,false);
mLoaded = false ;
}
GxsChannelPostItem::GxsChannelPostItem(FeedHolder *feedHolder, uint32_t feedId, const RsGxsChannelPost &post, bool isHome, bool autoUpdate) :
@ -97,10 +99,30 @@ GxsChannelPostItem::GxsChannelPostItem(FeedHolder *feedHolder, uint32_t feedId,
setup();
mLoaded = true ;
requestGroup();
setPost(post);
requestComment();
}
#endif
void GxsChannelPostItem::paintEvent(QPaintEvent *e)
{
/* This method employs a trick to trigger a deferred loading. The post and group is requested only
* when actually displayed on the screen. */
if(!mLoaded)
{
mLoaded = true ;
requestGroup();
requestMessage();
requestComment();
}
GxsFeedItem::paintEvent(e) ;
}
GxsChannelPostItem::~GxsChannelPostItem()
{