/** display a new Document and return the new Page */
public CurrentPage setCurrentDocument(Book nextDocument) {
CurrentPage nextPage = null;
if (nextDocument != null) {
PassageChangeMediator.getInstance().onBeforeCurrentPageChanged();
nextPage = getBookPage(nextDocument);
// is the next doc the same as the prev doc
boolean sameDoc = nextDocument.equals(nextPage.getCurrentDocument());
// must be in this order because History needs to grab the current doc before change
nextPage.setCurrentDocument(nextDocument);
currentDisplayedPage = nextPage;
// page will change due to above
// if there is a valid share key or the doc (hence the key) in the next page is the same then
// show the page straight away
if ((nextPage.isShareKeyBetweenDocs() || sameDoc) && nextPage.getKey() != null) {
PassageChangeMediator.getInstance().onCurrentPageChanged();
} else {
Context context = CurrentActivityHolder.getInstance().getCurrentActivity();
// pop up a key selection screen
Intent intent = new Intent(context, nextPage.getKeyChooserActivity());
context.startActivity(intent);
}
} else {
// should never get here because a doc should always be passed in but I have seen errors lie
// this once or twice
nextPage = currentDisplayedPage;
}
return nextPage;
}
public CurrentPage setCurrentDocumentAndKeyAndOffset(
Book currentBook, Key key, float yOffsetRatio) {
PassageChangeMediator.getInstance().onBeforeCurrentPageChanged();
CurrentPage nextPage = getBookPage(currentBook);
if (nextPage != null) {
try {
nextPage.setInhibitChangeNotifications(true);
nextPage.setCurrentDocument(currentBook);
nextPage.setKey(key);
nextPage.setCurrentYOffsetRatio(yOffsetRatio);
currentDisplayedPage = nextPage;
} finally {
nextPage.setInhibitChangeNotifications(false);
}
}
// valid key has been set so do not need to show a key chooser therefore just update main view
PassageChangeMediator.getInstance().onCurrentPageChanged();
return nextPage;
}