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RetroShare/retroshare-gui/src/gui/feeds/BoardsPostItem.cpp
csoler 2eb48e0305 added deferred update to feed items
2025-11-22 17:51:42 +01:00

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/*******************************************************************************
* gui/feeds/BoardsPostItem.cpp *
* *
* Copyright (c) 2012, Robert Fernie <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#include <QTimer>
#include <QFileInfo>
#include <QStyle>
#include "gui/gxs/GxsIdDetails.h"
#include "gui/common/FilesDefs.h"
#include "gui/Posted/PhotoView.h"
#include "rshare.h"
#include "BoardsPostItem.h"
#include "ui_BoardsPostItem.h"
#include "FeedHolder.h"
#include "SubFileItem.h"
#include "util/misc.h"
#include "util/qtthreadsutils.h"
#include "gui/RetroShareLink.h"
#include "util/HandleRichText.h"
#include "util/DateTime.h"
#include "util/stringutil.h"
#include <iostream>
#include <cmath>
/****
* #define DEBUG_ITEM 1
****/
BoardsPostItem::BoardsPostItem(FeedHolder *feedHolder, uint32_t feedId, const RsGxsGroupId& groupId, const RsGxsMessageId &messageId, bool isHome, bool autoUpdate,const std::set<RsGxsMessageId>& older_versions) :
GxsFeedItem(feedHolder, feedId, groupId, messageId, isHome, rsPosted, autoUpdate) // this one should be in GxsFeedItem
{
QVector<RsGxsMessageId> v;
//bool self = false;
for(std::set<RsGxsMessageId>::const_iterator it(older_versions.begin());it!=older_versions.end();++it)
v.push_back(*it) ;
if(older_versions.find(messageId) == older_versions.end())
v.push_back(messageId);
mLoadingStatus = LOADING_STATUS_NO_DATA;
mLoadingMessage = false;
mLoadingGroup = false;
setMessageVersions(v) ;
setup();
}
void BoardsPostItem::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(mLoadingStatus != LOADING_STATUS_FILLED && !mGroupMeta.mGroupId.isNull() && !mPost.mMeta.mMsgId.isNull() )
mLoadingStatus = LOADING_STATUS_HAS_DATA;
if(mGroupMeta.mGroupId.isNull() && !mLoadingGroup)
requestGroup();
if(mPost.mMeta.mMsgId.isNull() && !mLoadingMessage)
requestMessage();
switch(mLoadingStatus)
{
case LOADING_STATUS_FILLED:
case LOADING_STATUS_NO_DATA:
default:
break;
case LOADING_STATUS_HAS_DATA:
fill();
mLoadingStatus = LOADING_STATUS_FILLED;
break;
}
GxsFeedItem::paintEvent(e) ;
}
BoardsPostItem::~BoardsPostItem()
{
auto timeout = std::chrono::steady_clock::now() + std::chrono::milliseconds(GROUP_ITEM_LOADING_TIMEOUT_ms);
while( (mLoadingGroup || mLoadingMessage)
&& std::chrono::steady_clock::now() < timeout)
{
RsDbg() << __PRETTY_FUNCTION__ << " is Waiting for "
<< (mLoadingGroup ? "Group " : "")
<< (mLoadingMessage ? "Message " : "")
<< "loading." << std::endl;
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
delete(ui);
}
bool BoardsPostItem::isUnread() const
{
return IS_MSG_UNREAD(mPost.mMeta.mMsgStatus) ;
}
void BoardsPostItem::setup()
{
/* Invoke the Qt Designer generated object setup routine */
ui = new Ui::BoardsPostItem;
ui->setupUi(this);
// Manually set icons to allow to use clever resource sharing that is missing in Qt for Icons loaded from Qt resource file.
// This is particularly important here because a channel may contain many posts, so duplicating the QImages here is deadly for the
// memory.
ui->logoLabel->setPixmap(FilesDefs::getPixmapFromQtResourcePath(":/images/thumb-default-video.png"));
//ui->warn_image_label->setPixmap(FilesDefs::getPixmapFromQtResourcePath(":/images/status_unknown.png"));
//ui->readButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/images/message-state-unread.png"));
//ui->voteUpButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/images/vote_up.png"));
//ui->voteDownButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/images/vote_down.png"));
//ui->downloadButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/download.png"));
//ui->playButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/play.png"));
ui->commentButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/comment.png"));
//ui->editButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/pencil-edit-button.png"));
//ui->copyLinkButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/copy.png"));
ui->expandButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/down-arrow.png"));
ui->readAndClearButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/correct.png"));
ui->clearButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/icons/png/exit2.png"));
setAttribute(Qt::WA_DeleteOnClose, true);
mCloseOnRead = false;
/* clear ui */
ui->titleLabel->setText(tr("Loading..."));
ui->datetimelabel->clear();
//ui->filelabel->hide();
//ui->newCommentLabel->hide();
//ui->commLabel->hide();
/* general ones */
connect(ui->expandButton, SIGNAL(clicked()), this, SLOT(toggle()));
connect(ui->clearButton, SIGNAL(clicked()), this, SLOT(removeItem()));
connect(ui->logoLabel, SIGNAL(clicked()), this, SLOT(viewPicture()));
/* specific */
connect(ui->readAndClearButton, SIGNAL(clicked()), this, SLOT(readAndClearItem()));
//connect(ui->unsubscribeButton, SIGNAL(clicked()), this, SLOT(unsubscribeChannel()));
//connect(ui->downloadButton, SIGNAL(clicked()), this, SLOT(download()));
// HACK FOR NOW.
ui->commentButton->hide();// hidden until properly enabled.
// connect(ui->commentButton, SIGNAL(clicked()), this, SLOT(loadComments()));
//connect(ui->playButton, SIGNAL(clicked()), this, SLOT(play(void)));
//connect(ui->editButton, SIGNAL(clicked()), this, SLOT(edit(void)));
//connect(ui->copyLinkButton, SIGNAL(clicked()), this, SLOT(copyMessageLink()));
//connect(ui->readButton, SIGNAL(toggled(bool)), this, SLOT(readToggled(bool)));
// hide voting buttons, backend is not implemented yet
//ui->voteUpButton->hide();
//ui->voteDownButton->hide();
//ui->scoreLabel->hide();
// hide unsubscribe button not necessary
//ui->unsubscribeButton->hide();
//ui->downloadButton->hide();
//ui->playButton->hide();
//ui->warn_image_label->hide();
//ui->warning_label->hide();
ui->titleLabel->setMinimumWidth(100);
//ui->subjectLabel->setMinimumWidth(100);
//ui->warning_label->setMinimumWidth(100);
ui->feedFrame->setProperty("new", false);
ui->feedFrame->style()->unpolish(ui->feedFrame);
ui->feedFrame->style()->polish( ui->feedFrame);
ui->expandFrame->hide();
}
QString BoardsPostItem::groupName()
{
return QString::fromUtf8(mGroupMeta.mGroupName.c_str());
}
void BoardsPostItem::loadGroup()
{
std::cerr << "BoardsGroupItem::loadGroup()" << std::endl;
mLoadingGroup = true;
RsThread::async([this]()
{
// 1 - get group data
std::vector<RsPostedGroup> groups;
const std::list<RsGxsGroupId> groupIds = { groupId() };
if(!rsPosted->getBoardsInfo(groupIds,groups)) // would be better to call channel Summaries for a single group
{
RsErr() << "BoardsPostItem::loadGroup() ERROR getting data for group " << groupId() << std::endl;
mLoadingGroup = false;
deferred_update();
return;
}
if (groups.size() != 1)
{
std::cerr << "BoardsPostItem::loadGroup() Wrong number of Items for group " << groupId() ;
std::cerr << std::endl;
mLoadingGroup = false;
deferred_update();
return;
}
RsPostedGroup group(groups[0]);
RsQThreadUtils::postToObject( [group,this]()
{
/* Here it goes any code you want to be executed on the Qt Gui
* thread, for example to update the data model with new information
* after a blocking call to RetroShare API complete */
mGroupMeta = group.mMeta;
mLoadingGroup = false;
update(); // this triggers a paintEvent if needed.
}, this );
});
}
void BoardsPostItem::loadMessage()
{
#ifdef DEBUG_ITEM
std::cerr << "BoardsPostItem::loadMessage()";
std::cerr << std::endl;
#endif
mLoadingMessage = true;
RsThread::async([this]()
{
// 1 - get group data
std::vector<RsPostedPost> posts;
std::vector<RsGxsComment> comments;
std::vector<RsGxsVote> votes;
if(! rsPosted->getBoardContent( groupId(), std::set<RsGxsMessageId>( { messageId() } ),posts,comments,votes))
{
RsErr() << "BoardsPostedItem::loadMessage() ERROR getting data" << std::endl;
mLoadingMessage = false;
deferred_update();
return;
}
if (posts.size() == 1)
{
#ifdef DEBUG_ITEM
std::cerr << (void*)this << ": Obtained post, with msgId = " << posts[0].mMeta.mMsgId << std::endl;
#endif
const RsPostedPost& post(posts[0]);
RsQThreadUtils::postToObject( [post,this]()
{
mPost = post;
mLoadingMessage = false;
update(); // this triggers a paintEvent if needed.
}, this );
}
else
{
#ifdef DEBUG_ITEM
std::cerr << "BoardsPostItem::loadMessage() Wrong number of Items. Remove It.";
std::cerr << std::endl;
#endif
RsQThreadUtils::postToObject( [this]()
{
removeItem();
mLoadingMessage = false;
update(); // this triggers a paintEvent if needed.
}, this );
}
});
}
void BoardsPostItem::fill()
{
#ifdef DEBUG_ITEM
std::cerr << "BoardsPostItem::fill()";
std::cerr << std::endl;
#endif
QString title;
QString msgText;
//float f = QFontMetricsF(font()).height()/14.0 ;
ui->logoLabel->setEnableZoom(false);
int desired_height = QFontMetricsF(font()).height() * ITEM_HEIGHT_FACTOR;
ui->logoLabel->setFixedSize(ITEM_PICTURE_FORMAT_RATIO*desired_height,desired_height);
if(mPost.mImage.mData != NULL)
{
QPixmap thumbnail;
GxsIdDetails::loadPixmapFromData(mPost.mImage.mData, mPost.mImage.mSize, thumbnail,GxsIdDetails::ORIGINAL);
// Wiping data - as its been passed to thumbnail.
ui->logoLabel->setPicture(thumbnail);
}
else
ui->logoLabel->setPicture( FilesDefs::getPixmapFromQtResourcePath(":/images/thumb-default-video.png") );
//if( !IS_GROUP_PUBLISHER(mGroupMeta.mSubscribeFlags) )
//ui->editButton->hide() ; // never show this button. Feeds are not the place to edit posts.
if(mPost.mNotes.empty())
ui->expandButton->hide() ; // never show this button.
if (mCloseOnRead && !IS_MSG_NEW(mPost.mMeta.mMsgStatus)) {
removeItem();
}
title = tr("Board") + ": ";
RetroShareLink link = RetroShareLink::createGxsGroupLink(RetroShareLink::TYPE_POSTED, mPost.mMeta.mGroupId, groupName());
title += link.toHtml();
ui->titleLabel->setText(title);
msgText = tr("Post") + ": ";
RetroShareLink msgLink = RetroShareLink::createGxsMessageLink(RetroShareLink::TYPE_POSTED, mPost.mMeta.mGroupId, mPost.mMeta.mMsgId, messageName());
msgText += msgLink.toHtml();
msgText += " By: ";
RsIdentityDetails detail;
rsIdentity->getIdDetails(mPost.mMeta.mAuthorId,detail);
msgText += GxsIdDetails::getName(detail);
ui->subjectLabel->setText(msgText);
//std::cerr << "Copying 1 line from \"" << mPost.mNotes << "\"" << std::endl;
//ui->newCommentLabel->setText(RsStringUtil::CopyLines(QString::fromUtf8(mPost.mNotes.c_str()), 1)) ;
//ui->newCommentLabel->setText(RsHtml().formatText(NULL, QString::fromUtf8(mPost.mNotes.c_str()), /* RSHTML_FORMATTEXT_EMBED_SMILEYS |*/ RSHTML_FORMATTEXT_EMBED_LINKS));
// if (IS_GROUP_SUBSCRIBED(mGroupMeta.mSubscribeFlags) || IS_GROUP_ADMIN(mGroupMeta.mSubscribeFlags))
// {
// ui->unsubscribeButton->setEnabled(true);
// }
// else
// {
// ui->unsubscribeButton->setEnabled(false);
// }
//ui->readButton->hide();
ui->newLabel->hide();
//ui->copyLinkButton->hide();
if (IS_MSG_NEW(mPost.mMeta.mMsgStatus))
mCloseOnRead = true;
// differences between Feed or Top of Comment.
if(mFeedHolder)
{
if (mIsHome) {
ui->commentButton->show();
} else if (ui->commentButton->icon().isNull()){
//Icon is seted if a comment received.
ui->commentButton->hide();
}
}
else
{
ui->commentButton->hide();
}
// disable voting buttons - if they have already voted.
/*if (post.mMeta.mMsgStatus & GXS_SERV::GXS_MSG_STATUS_VOTE_MASK)
{
voteUpButton->setEnabled(false);
voteDownButton->setEnabled(false);
}*/
{
QTextDocument doc;
doc.setHtml( QString::fromUtf8(mPost.mNotes.c_str()) );
ui->msgFrame->setVisible(doc.toPlainText().length() > 0);
}
ui->datetimelabel->setText(DateTime::formatLongDateTime(mPost.mMeta.mPublishTs));
}
QString BoardsPostItem::messageName()
{
return QString::fromUtf8(mPost.mMeta.mMsgName.c_str());
}
void BoardsPostItem::viewPicture()
{
if(mPost.mImage.mData == NULL) {
return;
}
QString timestamp = misc::timeRelativeToNow(mPost.mMeta.mPublishTs);
QPixmap pixmap;
GxsIdDetails::loadPixmapFromData(mPost.mImage.mData, mPost.mImage.mSize, pixmap,GxsIdDetails::ORIGINAL);
RsGxsId authorID = mPost.mMeta.mAuthorId;
PhotoView *PView = new PhotoView(this);
PView->setPixmap(pixmap);
PView->setTitle(messageName());
PView->setName(authorID);
PView->setTime(timestamp);
PView->setGroupId(groupId());
PView->setMessageId(messageId());
PView->show();
/* window will destroy itself! */
}
void BoardsPostItem::setReadStatus(bool isNew, bool isUnread)
{
#ifdef TODO
if (isNew)
mPost.mMeta.mMsgStatus |= GXS_SERV::GXS_MSG_STATUS_GUI_NEW;
else
mPost.mMeta.mMsgStatus &= ~GXS_SERV::GXS_MSG_STATUS_GUI_NEW;
if (isUnread)
{
mPost.mMeta.mMsgStatus |= GXS_SERV::GXS_MSG_STATUS_GUI_UNREAD;
whileBlocking(ui->readButton)->setChecked(true);
ui->readButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/images/message-state-unread.png"));
}
else
{
mPost.mMeta.mMsgStatus &= ~GXS_SERV::GXS_MSG_STATUS_GUI_UNREAD;
whileBlocking(ui->readButton)->setChecked(false);
ui->readButton->setIcon(FilesDefs::getIconFromQtResourcePath(":/images/message-state-read.png"));
}
ui->newLabel->setVisible(isNew);
ui->feedFrame->setProperty("new", isNew);
ui->feedFrame->style()->unpolish(ui->feedFrame);
ui->feedFrame->style()->polish( ui->feedFrame);
#endif
}
void BoardsPostItem::toggle()
{
expand(ui->expandFrame->isHidden());
}
/*********** SPECIFIC FUNCTIONS ***********************/
void BoardsPostItem::readAndClearItem()
{
#ifdef DEBUG_ITEM
std::cerr << "BoardsPostItem::readAndClearItem()";
std::cerr << std::endl;
#endif
readToggled(false);
removeItem();
}
void BoardsPostItem::readToggled(bool /*checked*/)
{
mCloseOnRead = false;
RsGxsGrpMsgIdPair msgPair = std::make_pair(groupId(), messageId());
rsPosted->setPostReadStatus(msgPair, isUnread());
}
void BoardsPostItem::fillExpandFrame()
{
ui->msgLabel->setText(RsHtml().formatText(NULL, QString::fromUtf8(mPost.mNotes.c_str()), /* RSHTML_FORMATTEXT_EMBED_SMILEYS |*/ RSHTML_FORMATTEXT_EMBED_LINKS));
}
void BoardsPostItem::doExpand(bool open)
{
if (mFeedHolder)
{
mFeedHolder->lockLayout(this, true);
}
if (open)
{
ui->expandFrame->show();
ui->expandButton->setIcon(FilesDefs::getIconFromQtResourcePath(QString(":/icons/png/up-arrow.png")));
ui->expandButton->setToolTip(tr("Hide"));
readToggled(false);
}
else
{
ui->expandFrame->hide();
ui->expandButton->setIcon(FilesDefs::getIconFromQtResourcePath(QString(":/icons/png/down-arrow.png")));
ui->expandButton->setToolTip(tr("Expand"));
}
emit sizeChanged(this);
if (mFeedHolder)
{
mFeedHolder->lockLayout(this, false);
}
}
void BoardsPostItem::expandFill(bool first)
{
GxsFeedItem::expandFill(first);
if (first) {
fillExpandFrame();
}
}
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