Make active page nullable. Fixes #326

This commit is contained in:
len 2016-06-03 12:25:39 +02:00
parent 0714fdc7e6
commit 728ab18017
2 changed files with 15 additions and 6 deletions

View File

@ -117,7 +117,10 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
override fun onPause() {
viewer?.let {
presenter.currentPage = it.getActivePage()
val activePage = it.getActivePage()
if (activePage != null) {
presenter.currentPage = activePage
}
}
super.onPause()
}
@ -318,8 +321,12 @@ class ReaderActivity : BaseRxActivity<ReaderPresenter>() {
fun gotoPageInCurrentChapter(pageIndex: Int) {
viewer?.let {
val requestedPage = it.getActivePage().chapter.pages[pageIndex]
it.setActivePage(requestedPage)
val activePage = it.getActivePage()
if (activePage != null) {
val requestedPage = activePage.chapter.pages[pageIndex]
it.setActivePage(requestedPage)
}
}
}

View File

@ -71,14 +71,16 @@ abstract class BaseReader : BaseFragment() {
*/
fun updatePageNumber() {
val activePage = getActivePage()
readerActivity.onPageChanged(activePage.pageNumber, activePage.chapter.pages.size)
if (activePage != null) {
readerActivity.onPageChanged(activePage.pageNumber, activePage.chapter.pages.size)
}
}
/**
* Returns the active page.
*/
fun getActivePage(): Page {
return pages.getOrElse(currentPage) { pages[0] }
fun getActivePage(): Page? {
return pages.getOrNull(currentPage)
}
/**