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// Copyright (c) 2003 Charles Samuels <[email protected]>
// See the file COPYING for redistribution terms.
#include "tree.h"
#include "selector.h"
#include "oblique.h"
#include <noatun/app.h>
#include <noatun/player.h>
Item::Item(const File &file)
: mFile(file)
{
}
TQString Item::property(const TQString &key, const TQString &def) const
{
if (key == "url")
{
KURL url;
url.setPath(property("file"));
return url.url();
}
TQString str = mFile.property(key);
if (str.isNull()) return def;
return str;
}
void Item::setProperty(const TQString &key, const TQString &property)
{
mFile.setProperty(key, property);
}
void Item::clearProperty(const TQString &key)
{
mFile.clearProperty(key);
}
TQStringList Item::properties() const
{
return mFile.properties();
}
bool Item::isProperty(const TQString &key) const
{
return !mFile.property(key).isNull();
}
bool Item::operator==(const PlaylistItemData &d) const
{
return mFile == static_cast<const Item&>(d).mFile;
}
void Item::remove()
{
mFile.remove();
}
Selector::Selector()
{
}
Selector::~Selector()
{
}
SequentialSelector::SequentialSelector(Tree *tree)
{
mTree = tree;
}
SequentialSelector::~SequentialSelector()
{
}
Item *SequentialSelector::next()
{
TreeItem *current = mTree->current();
if (current)
{
current = current->nextPlayable();
}
else
{
current = mTree->firstChild();
if (current && !current->playable())
{
current = current->nextPlayable();
}
}
setCurrent(current);
if (current && current->file())
return new Item(current->file());
return 0;
}
Item *SequentialSelector::previous()
{
TreeItem *back = mTree->firstChild();
TreeItem *after;
TreeItem *current = mTree->current();
// now we just go forward on back until the item after back is me ;)
// this is terribly unoptimized, but I'm terribly lazy
while (back and (after = back->nextPlayable()) != current)
{
back = after;
}
current = back;
setCurrent(current);
if (current && current->file())
return new Item(current->file());
return 0;
}
Item *SequentialSelector::current()
{
TreeItem *current = mTree->current();
if (!current) return next();
if (current->file())
return new Item(current->file());
return 0;
}
void SequentialSelector::setCurrent(const Item &item)
{
TreeItem *current = mTree->tqfind(item.itemFile());
setCurrent(current);
}
void SequentialSelector::setCurrent(TreeItem *current)
{
if (current)
{
mTree->setCurrent(current);
}
}
RandomSelector::RandomSelector(Tree *tree)
{
mTree = tree;
mPrevious = 0;
}
static TreeItem *randomItem(int &at, TreeItem *item)
{
for ( ; item; item = item->nextSibling())
{
if (item->playable())
{
if (at==0)
return item;
at--;
}
if (TreeItem *i = randomItem(at, item->firstChild()))
{
return i;
}
}
return 0;
}
Item *RandomSelector::next()
{
TreeItem *previous = mTree->current();
if (!mTree->playableItemCount())
{
return 0;
}
for (int tries=15; tries; tries--)
{
int randomIndex = KApplication::random() % (mTree->playableItemCount());
TreeItem *nowCurrent = randomItem(randomIndex, mTree->firstChild());
if (!nowCurrent) continue;
setCurrent(nowCurrent, previous);
return new Item(nowCurrent->file());
}
// !!!!
return 0;
}
Item *RandomSelector::previous()
{
if (!mPrevious) return 0;
TreeItem *current = mPrevious;
mTree->setCurrent(current);
return new Item(current->file());
}
Item *RandomSelector::current()
{
TreeItem *current = mTree->current();
if (!current) return 0;
return new Item(current->file());
}
void RandomSelector::setCurrent(const Item &item)
{
setCurrent(mTree->tqfind(item.itemFile()), 0);
}
void RandomSelector::setCurrent(TreeItem *item, TreeItem *previous)
{
mPrevious = previous;
mTree->setCurrent(item);
napp->player()->stop();
napp->player()->play();
}
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