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Code Issues Releases Wiki Activity

don't reload the playlist when additions/deletions are done in quick succession

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This commit is contained in:
Leo Franchi 2011-01-28 22:04:36 -05:00
parent 6976ee08b4
commit a5a8251a7f
2 changed files with 13 additions and 0 deletions
src/libtomahawk/playlist/dynamic/widgets
DynamicWidget.cppDynamicWidget.h

11
src/libtomahawk/playlist/dynamic/widgets/DynamicWidget.cpp

@ -41,6 +41,7 @@ DynamicWidget::DynamicWidget( const Tomahawk::dynplaylist_ptr& playlist, QWidget
: QWidget(parent)
, m_layout( new QVBoxLayout )
, m_resolveOnNextLoad( false )
, m_seqRevLaunched( 0 )
, m_runningOnDemand( false )
, m_startOnResolved( false )
, m_songsSinceLastResolved( 0 )
@ -110,6 +111,14 @@ DynamicWidget::~DynamicWidget()
void
DynamicWidget::loadDynamicPlaylist( const Tomahawk::dynplaylist_ptr& playlist )
{
// special case: if we have launched multiple setRevision calls, and the number of controls is different, it means that we're getting an intermediate setRevision
// called after the user has already created more revisions. ignore in that case.
if( m_playlist.data() == playlist.data() && m_seqRevLaunched > 0
&& m_controls->controls().size() != playlist->generator()->controls().size() // different number of controls
&& qAbs( m_playlist->generator()->controls().size() - playlist->generator()->controls().size() ) < m_seqRevLaunched ) { // difference in controls has to be less than how many revisions we launched
return;
}
m_seqRevLaunched = 0;
// if we're being told to load the same dynamic playlist over again, only do it if the controls have a different number
if( !m_playlist.isNull() && ( m_playlist.data() == playlist.data() ) // same playlist pointer
&& m_playlist->generator()->controls().size() == playlist->generator()->controls().size() ) {
@ -277,11 +286,13 @@ void
DynamicWidget::controlsChanged()
{
m_playlist->createNewRevision();
m_seqRevLaunched++;
}
void
DynamicWidget::controlChanged( const Tomahawk::dyncontrol_ptr& control )
{
m_playlist->createNewRevision();
m_seqRevLaunched++;
}

2
src/libtomahawk/playlist/dynamic/widgets/DynamicWidget.h

@ -81,12 +81,14 @@ private:
dynplaylist_ptr m_playlist;
QVBoxLayout* m_layout;
bool m_resolveOnNextLoad;
int m_seqRevLaunched; // if we shoot off multiple createRevision calls, we don'y want to set one of the middle ones
// used in OnDemand mode
bool m_runningOnDemand;
bool m_startOnResolved;
int m_songsSinceLastResolved;
// layout and stuff
QLabel* m_headerText;
QHBoxLayout* m_headerLayout;
ReadOrWriteWidget* m_generatorCombo;