int main(int argc, char *argv[])
{
int i, *a;
historyItem *h;
setHistoryLimit(15);
for (i=0;i < 6; i++) {
a = (int *)malloc(sizeof(int));
*a = i;
h = newHistoryItem(a);
addHistoryItem(h);
}
/* Start at the beginning */
setHistoryIndex(numHistoryItems());
while ((h = nextHistoryItem(0)) != NULL) {
printf("h[%d]->a is %d\n", getHistoryIndex(), *(int *)h->data);
}
printf("Doing the reverse now...\n");
setHistoryIndex(3);
for (i=0;i<6;i++) {
h = prevHistoryItem(1);
if (h)
printf("h[%d]->a is %d\n", getHistoryIndex(), *(int *)h->data);
}
return 0;
}
void MediaView::goForward() {
if (canGoForward()) {
int currentIndex = getHistoryIndex();
VideoSource *nextVideoSource = history.at(currentIndex + 1);
setVideoSource(nextVideoSource, false);
}
}
/* Wrap determines whether or not we loop back to index 0 or not */
historyItem *nextHistoryItem(short wrap)
{
short index;
if (nitems == 0)
return NULL;
index = getHistoryIndex();
setHistoryIndex(++index);
index = getHistoryIndex();
/* We're at the last element and we don't want to wrap forward */
if (index == nitems && wrap == 0)
return NULL;
return history[index];
}
void MediaView::goBack() {
if (history.size() > 1) {
int currentIndex = getHistoryIndex();
if (currentIndex > 0) {
VideoSource *previousVideoSource = history.at(currentIndex - 1);
setVideoSource(previousVideoSource, false, true);
}
}
}
historyItem *prevHistoryItem(short wrap)
{
short index;
if (nitems == 0)
return NULL;
index = getHistoryIndex();
/* We're at the first element and we don't want to wrap backwards */
if (index == 0 && wrap == 0)
return NULL;
setHistoryIndex(--index);
index = getHistoryIndex();
return history[index];
}
void MediaView::setVideoSource(VideoSource *videoSource, bool addToHistory, bool back) {
Q_UNUSED(back);
stopped = false;
errorTimer->stop();
// qDebug() << "Adding VideoSource" << videoSource->getName() << videoSource;
if (addToHistory) {
int currentIndex = getHistoryIndex();
if (currentIndex >= 0 && currentIndex < history.size() - 1) {
while (history.size() > currentIndex + 1) {
VideoSource *vs = history.takeLast();
if (!vs->parent()) {
qDebug() << "Deleting VideoSource" << vs->getName() << vs;
vs->deleteLater();
}
}
}
history.append(videoSource);
}
#ifdef APP_EXTRA
if (history.size() > 1)
Extra::slideTransition(playlistView->viewport(), playlistView->viewport(), back);
#endif
playlistModel->setVideoSource(videoSource);
if (media->state() == Media::StoppedState) {
QSettings settings;
if (settings.value("manualplay", false).toBool()) {
videoAreaWidget->showPickMessage();
}
}
sidebar->showPlaylist();
sidebar->getRefineSearchWidget()->setSearchParams(getSearchParams());
sidebar->hideSuggestions();
sidebar->getHeader()->updateInfo();
SearchParams *searchParams = getSearchParams();
bool isChannel = searchParams && !searchParams->channelId().isEmpty();
playlistView->setClickableAuthors(!isChannel);
}
bool MediaView::canGoForward() {
int currentIndex = getHistoryIndex();
return currentIndex >= 0 && currentIndex < history.size() - 1;
}
bool MediaView::canGoBack() {
return getHistoryIndex() > 0;
}
