MinimalBible-Legacy/MinimalBible/src/main/java/org/bspeice/minimalbible/activities/viewer/BookFragment.java

141 lines
4.5 KiB
Java

package org.bspeice.minimalbible.activities.viewer;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import org.bspeice.minimalbible.MinimalBible;
import org.bspeice.minimalbible.R;
import org.bspeice.minimalbible.activities.BaseFragment;
import org.crosswire.jsword.book.Book;
import java.util.List;
import javax.inject.Inject;
import butterknife.ButterKnife;
import butterknife.InjectView;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.functions.Func1;
/**
* A placeholder fragment containing a simple view.
*/
public class BookFragment extends BaseFragment {
@Inject BookManager bookManager;
@InjectView(R.id.book_content)
WebView mainContent;
private static final String ARG_BOOK_NAME = "book_name";
private Book mBook;
/**
* Returns a new instance of this fragment for the given section number.
*/
public static BookFragment newInstance(String bookName) {
BookFragment fragment = new BookFragment();
Bundle args = new Bundle();
args.putString(ARG_BOOK_NAME, bookName);
fragment.setArguments(args);
return fragment;
}
public BookFragment() {
}
@Override
public void onCreate(Bundle state) {
super.onCreate(state);
MinimalBible.getApplication().inject(this);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_viewer_main, container,
false);
ButterKnife.inject(this, rootView);
mainContent.getSettings().setJavaScriptEnabled(true);
// TODO: Load initial text from SharedPreferences
// And due to Observable async, we can kick off fetching the actual book asynchronously!
bookManager.getInstalledBooks()
.first(new Func1<Book, Boolean>() {
@Override
public Boolean call(Book book) {
String mBookName = getArguments().getString(ARG_BOOK_NAME);
return book.getName().equals(mBookName);
}
})
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Book>() {
@Override
public void call(Book book) {
BookFragment.this.mBook = book;
displayBook(book);
}
}, new Action1<Throwable>() {
@Override
public void call(Throwable throwable) {
Log.d("BookFragment", "No books installed?");
}
});
return rootView;
}
// TODO: Remove?
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
}
private void displayBook(Book b) {
Log.d("BookFragment", b.getName());
((BibleViewer)getActivity()).setActionBarTitle(b.getInitials());
mainContent.loadUrl(getString(R.string.content_page));
mainContent.setWebViewClient(new WebViewClient(){
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
invokeJavascript("set_content", BookFragment.this.mBook.getName());
}
});
}
private void invokeJavascript(String function, Object arg) {
mainContent.loadUrl("javascript:" + function + "('" + arg.toString() + "')");
}
private void invokeJavascript(String function, List<Object> args) {
mainContent.loadUrl("javascript:" + function + "(" + joinString(",", args.toArray()) + ")");
}
// Convenience from http://stackoverflow.com/a/17795110/1454178
public static String joinString(String join, Object... strings) {
if (strings == null || strings.length == 0) {
return "";
} else if (strings.length == 1) {
return strings[0].toString();
} else {
StringBuilder sb = new StringBuilder();
sb.append(strings[0]);
for (int i = 1; i < strings.length; i++) {
sb.append(join).append(strings[i].toString());
}
return sb.toString();
}
}
}