void ZLBlockTreeView::ensureVisible(ZLBlockTreeNode *node) {
if (visibilityMode(node) == VISIBLE) {
return;
}
for (ZLBlockTreeNode *parent = node->parent(); parent != 0; parent = parent->parent()) {
parent->open(true);
}
ZLBlockTreeNode *previous = node->previous();
setFirstVisibleNode(previous != 0 ? previous : node);
if (previous && visibilityMode(node) != VISIBLE) {
setFirstVisibleNode(node);
}
}
void LibraryView::showBook(shared_ptr<Book> book) {
makeUpToDate();
ZLBlockTreeNode::List bookNodes;
std::queue<ZLBlockTreeNode*> nodesQueue;
nodesQueue.push(&rootNode());
while (!nodesQueue.empty()) {
const ZLBlockTreeNode::List &children = nodesQueue.front()->children();
nodesQueue.pop();
for (ZLBlockTreeNode::List::const_iterator it = children.begin(); it != children.end(); ++it) {
if ((*it)->isInstanceOf(BookNode::TYPE_ID)) {
// TODO: replace with == for shared_ptr<Book>
//if (((BookNode*)*it)->book() == book) {
if (((BookNode*)*it)->book()->file() == book->file()) {
bookNodes.push_back(*it);
}
} else {
nodesQueue.push(*it);
}
}
}
if (bookNodes.empty()) {
return;
}
ZLBlockTreeNode *nodeToShow = bookNodes[0];
VisibilityMode mode = INVISIBLE;
for (ZLBlockTreeNode::List::iterator it = bookNodes.begin(); it != bookNodes.end(); ++it) {
VisibilityMode nodeMode = visibilityMode(*it);
if ((nodeMode == VISIBLE && mode != VISIBLE) ||
(nodeMode != INVISIBLE && mode == INVISIBLE)) {
nodeToShow = *it;
mode = nodeMode;
}
}
ensureVisible(nodeToShow);
}
/*!
* executes visibility delegate functionality, ie. calls CBTEngSettings to set the visibility mode;
* when operation completes, emits commandCompleted signal
* Parameters: Qlist<QVariant> where first item is VisibilityMode integer specifying operation;
* for BtTemporary a 2nd parameter is give which signifies the number of minutes to stay visible.
*/
void BtDelegateVisibility::exec( const QVariant ¶ms )
{
int minutes, err = 0;
if (mActiveHandling) {
// complete command with error
emit delegateCompleted(KErrInUse, this);
return;
}
mActiveHandling = true;
// read 1st parameter
BTUI_ASSERT_X(params.toList().at(0).isValid(), "BtDelegateVisibility::exec", "invalid parameter");
VisibilityMode btQtMode = (VisibilityMode)params.toList().at(0).toInt();
mOperation = BtEngVisibilityMode(btQtMode);
// verify that we are setting visibility to a new value, otherwise we won't get a callback
TBTVisibilityMode visibilityMode( EBTVisibilityModeNoScans );
err = mBtengSettings->GetVisibilityMode( visibilityMode );
if (err) {
mActiveHandling = false;
emit delegateCompleted(err, this);
return;
}
if (visibilityMode == mOperation) {
mActiveHandling = false;
emit delegateCompleted(KErrNone, this);
return;
}
switch (mOperation) {
case EBTVisibilityModeGeneral :
err = mBtengSettings->SetVisibilityMode(mOperation, 0);
break;
case EBTVisibilityModeHidden:
err = mBtengSettings->SetVisibilityMode(mOperation, 0);
break;
case EBTVisibilityModeTemporary:
BTUI_ASSERT_X(params.toList().at(1).isValid(), "BtDelegateVisibility::exec", "invalid time parameter");
minutes = params.toList().at(1).toInt();
BTUI_ASSERT_X(((minutes >= 0 ) && (minutes <= MAX_TEMPORARY_VISIBILITY)),
"BtDelegateVisibility::exec", "invalid time parameter");
err = mBtengSettings->SetVisibilityMode(mOperation, minutes);
break;
default:
// error
BTUI_ASSERT_X(false, "BtDelegateVisibility::exec", "invalid parameter");
}
if (err) {
// complete command with error
mActiveHandling = false;
emit delegateCompleted(err, this);
}
}
