191 lines
6.8 KiB
Java
191 lines
6.8 KiB
Java
package org.bspeice.minimalbible.activities.downloader;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.ProgressDialog;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ListView;
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import android.widget.Toast;
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import org.bspeice.minimalbible.MinimalBible;
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import org.bspeice.minimalbible.R;
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import org.bspeice.minimalbible.activities.BaseFragment;
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import org.bspeice.minimalbible.activities.downloader.manager.RefreshManager;
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import org.crosswire.jsword.book.Book;
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import org.crosswire.jsword.book.BookCategory;
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import org.crosswire.jsword.book.BookComparators;
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import java.util.List;
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import javax.inject.Inject;
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import butterknife.ButterKnife;
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import butterknife.InjectView;
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import rx.Observable;
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import rx.android.schedulers.AndroidSchedulers;
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import rx.functions.Action1;
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import rx.functions.Func1;
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import rx.functions.Func2;
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/**
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* A placeholder fragment containing a simple view.
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*/
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public class BookListFragment extends BaseFragment {
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/**
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* The fragment argument representing the section number for this fragment.
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* Not a candidate for Dart (yet) because I would have to write a Parcelable around it.
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*/
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protected static final String ARG_BOOK_CATEGORY = "book_category";
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private final String TAG = "BookListFragment";
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@InjectView(R.id.lst_download_available)
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ListView downloadsAvailable;
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@Inject RefreshManager refreshManager;
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@Inject protected DownloadPrefs downloadPrefs;
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protected ProgressDialog refreshDialog;
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private LayoutInflater inflater;
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/**
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* Returns a new instance of this fragment for the given section number.
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* TODO: Switch to AutoFactory/@Provides rather than inline creation.
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*/
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public static BookListFragment newInstance(BookCategory c) {
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BookListFragment fragment = new BookListFragment();
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Bundle args = new Bundle();
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args.putString(ARG_BOOK_CATEGORY, c.toString());
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fragment.setArguments(args);
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return fragment;
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}
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@Override
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public void onCreate(Bundle state) {
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super.onCreate(state);
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MinimalBible.getApplication().inject(this); // Injection for Dagger goes here, not ctor
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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this.inflater = inflater;
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View rootView = inflater.inflate(R.layout.fragment_download, container,
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false);
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ButterKnife.inject(this, rootView);
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displayModules();
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return rootView;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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((DownloadActivity) activity).onSectionAttached(getArguments()
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.getString(ARG_BOOK_CATEGORY));
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}
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/**
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* Trigger the functionality to display a list of modules. Prompts user if downloading
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* from the internet is allowable.
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*/
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protected void displayModules() {
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boolean dialogDisplayed = downloadPrefs.hasShownDownloadDialog();
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if (!dialogDisplayed) {
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AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
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DownloadDialogListener dialogListener = new DownloadDialogListener();
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builder.setMessage(
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"About to contact servers to download content. Continue?")
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.setPositiveButton("Yes", dialogListener)
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.setNegativeButton("No", dialogListener)
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.setCancelable(false).show();
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} else {
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refreshModules();
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}
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}
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/**
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* Do the work of refreshing modules (download manager handles using cached copy vs. actual
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* refresh), and then displaying them when ready.
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*/
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private void refreshModules() {
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// Check if the downloadManager has already refreshed everything
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if (!refreshManager.isRefreshComplete()) {
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// downloadManager is in progress of refreshing
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refreshDialog = new ProgressDialog(getActivity());
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refreshDialog.setMessage("Refreshing available modules...");
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refreshDialog.setCancelable(false);
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refreshDialog.show();
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}
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// Listen for the books!
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refreshManager.getAvailableModulesFlattened()
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.filter(new Func1<Book, Boolean>() {
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@Override
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public Boolean call(Book book) {
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return book.getBookCategory() ==
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BookCategory.fromString(BookListFragment.this.getArguments()
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.getString(ARG_BOOK_CATEGORY));
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}
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})
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// Repack all the books
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.toSortedList(new Func2<Book, Book, Integer>() {
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@Override
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public Integer call(Book book1, Book book2) {
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return BookComparators.getInitialComparator().compare(book1, book2);
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}
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})
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(new Action1<List<Book>>() {
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@Override
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public void call(List<Book> books) {
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downloadsAvailable.setAdapter(new BookListAdapter(inflater, books));
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if (BookListFragment.this.getActivity() != null) {
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// On a screen rotate, getActivity() will be null. But, the activity will
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// already have been set up correctly, so we don't need to worry about it.
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// If not null, we need to set it up now.
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setInsets(BookListFragment.this.getActivity(), downloadsAvailable);
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}
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if (refreshDialog != null) {
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refreshDialog.cancel();
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}
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}
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});
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}
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private class DownloadDialogListener implements
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DialogInterface.OnClickListener {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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downloadPrefs.hasShownDownloadDialog(true);
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switch (which) {
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case DialogInterface.BUTTON_POSITIVE:
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// Clicked ready to continue - allow downloading in the future
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downloadPrefs.hasEnabledDownload(true);
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// And warn them that it has been enabled in the future.
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Toast.makeText(getActivity(),
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"Downloading now enabled. Disable in settings.",
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Toast.LENGTH_SHORT).show();
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refreshModules();
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break;
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case DialogInterface.BUTTON_NEGATIVE:
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// Clicked to not download - Permanently disable downloading
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downloadPrefs.hasEnabledDownload(false);
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Toast.makeText(getActivity(),
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"Disabling downloading. Re-enable it in settings.",
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Toast.LENGTH_SHORT).show();
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refreshModules();
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break;
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}
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}
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}
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} |