QVariant ApiTraceModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.column() != 0)
return QVariant();
ApiTraceEvent *itm = item(index);
if (!itm) {
return QVariant();
}
switch (role) {
case Qt::DisplayRole:
return itm->staticText().text();
case Qt::DecorationRole:
return QImage();
case Qt::ToolTipRole: {
const QString stateText = tr("State info available.");
if (itm->type() == ApiTraceEvent::Call) {
ApiTraceCall *call = static_cast<ApiTraceCall*>(itm);
if (!call->hasState())
return QString::fromLatin1("%1) <b>%2</b>")
.arg(call->index())
.arg(call->name());
else
return QString::fromLatin1("%1) <b>%2</b><br/>%3")
.arg(call->index())
.arg(call->name())
.arg(stateText);
} else {
const char *htmlTempl =
"<div>\n"
"<div>\n"
"%1"
"<span style=\"font-weight:bold; font-size:large; vertical-align:center; padding-bottom: 30px \">\n"
"Frame %2</span>\n"
"</div>\n"
"<div >%3 calls%4</div>\n"
"</div>\n";
ApiTraceFrame *frame = static_cast<ApiTraceFrame*>(itm);
QString thumbStr, sizeStr;
if (frame->hasState()) {
static const char *imgTempl =
"<img style=\"float:left;\" "
"src=\"data:image/png;base64,%1\"/>\n";
static const char *sizeTempl =
", %1kb";
ApiFramebuffer fbo = frame->state()->colorBuffer();
QImage thumb = fbo.thumb();
if (!thumb.isNull()) {
QByteArray ba;
QBuffer buffer(&ba);
buffer.open(QIODevice::WriteOnly);
thumb.save(&buffer, "PNG");
thumbStr = tr(imgTempl).arg(
QString(buffer.data().toBase64()));
}
int binaryDataSize = frame->binaryDataSize() / 1024;
if (binaryDataSize > 0) {
sizeStr = tr(sizeTempl).arg(binaryDataSize);
}
}
int numCalls = frame->isLoaded()
? frame->numTotalCalls()
: frame->numChildrenToLoad();
return tr(htmlTempl)
.arg(thumbStr)
.arg(frame->number)
.arg(numCalls)
.arg(sizeStr);
}
}
case ApiTraceModel::EventRole:
return QVariant::fromValue(itm);
}
return QVariant();
}
