| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| package io.v.android.apps.syncslides; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.support.v7.widget.RecyclerView; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| import android.widget.Toolbar; |
| |
| import java.util.Calendar; |
| import java.util.Locale; |
| |
| import io.v.android.apps.syncslides.db.DB; |
| import io.v.android.apps.syncslides.discovery.DiscoveryManager; |
| import io.v.android.apps.syncslides.model.Deck; |
| import io.v.android.apps.syncslides.model.Listener; |
| import io.v.android.apps.syncslides.model.Participant; |
| import io.v.android.apps.syncslides.model.Role; |
| |
| /** |
| * Provides a list of decks to be shown in the RecyclerView of the |
| * DeckChooserFragment. |
| */ |
| public class DeckListAdapter extends RecyclerView.Adapter<DeckListAdapter.ViewHolder> |
| implements Listener { |
| private static final String TAG = "DeckListAdapter"; |
| private DB.DBList<Deck> mDecks; |
| private DiscoveryManager mLiveDecks; |
| private DB mDB; |
| |
| public DeckListAdapter(DB db) { |
| mDB = db; |
| } |
| |
| public void start(Context context) { |
| if (mDecks != null) { |
| throw new IllegalStateException("Wrong lifecycle."); |
| } |
| Log.d(TAG, "Starting."); |
| DiscoveryManager dm = DiscoveryManager.make(context); |
| // Listening stops below in mLiveDecks.discard. |
| dm.setListener(this); |
| dm.start(context); |
| mLiveDecks = dm; |
| mDecks = DB.Singleton.get(context).getDecks(); |
| mDecks.setListener(new Listener() { |
| @Override |
| public void notifyItemChanged(int position) { |
| DeckListAdapter.this.notifyItemChanged(mLiveDecks.getItemCount() + position); |
| } |
| |
| @Override |
| public void notifyItemInserted(int position) { |
| DeckListAdapter.this.notifyItemInserted(mLiveDecks.getItemCount() + position); |
| } |
| |
| @Override |
| public void notifyItemRemoved(int position) { |
| DeckListAdapter.this.notifyItemRemoved(mLiveDecks.getItemCount() + position); |
| } |
| }); |
| } |
| |
| /** |
| * Stops any background monitoring of the underlying data. |
| */ |
| public void stop() { |
| Log.d(TAG, "Stopping."); |
| mLiveDecks.discard(); |
| mLiveDecks = null; |
| mDecks.discard(); |
| mDecks = null; |
| } |
| |
| @Override |
| public ViewHolder onCreateViewHolder(ViewGroup parent, int i) { |
| View v = LayoutInflater.from(parent.getContext()) |
| .inflate(R.layout.deck_card, parent, false); |
| return new ViewHolder(v); |
| } |
| |
| @Override |
| public void onBindViewHolder(final ViewHolder holder, final int deckIndex) { |
| final Deck deck; |
| final Role role; |
| // If the position is less than the number of live presentation decks, get deck card from |
| // there (and don't allow the user to delete the deck). If not, get the card from the DB. |
| if (deckIndex < mLiveDecks.getItemCount()) { |
| deck = mLiveDecks.get(deckIndex); |
| holder.mToolbarLiveNow |
| .setText(holder.itemView.getResources().getString(R.string.presentation_live)); |
| holder.mToolbarLiveNow.setVisibility(View.VISIBLE); |
| holder.mToolbarLastOpened.setVisibility(View.GONE); |
| holder.mToolbar.getMenu().clear(); |
| role = Role.AUDIENCE; |
| } else { |
| deck = mDecks.get(deckIndex - mLiveDecks.getItemCount()); |
| // TODO(afergan): Set actual date here. |
| final Calendar cal = Calendar.getInstance(); |
| holder.mToolbarLastOpened.setText("Opened on " |
| + cal.getDisplayName(Calendar.MONTH, Calendar.SHORT, Locale.US) + " " |
| + cal.get(Calendar.DAY_OF_MONTH) + ", " + cal.get(Calendar.YEAR)); |
| holder.mToolbarLastOpened.setVisibility(View.VISIBLE); |
| holder.mToolbarLiveNow.setVisibility(View.GONE); |
| holder.mToolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() { |
| @Override |
| public boolean onMenuItemClick(MenuItem item) { |
| switch (item.getItemId()) { |
| case R.id.action_delete_deck: |
| mDB.deleteDeck(deck.getId()); |
| return true; |
| } |
| return false; |
| } |
| }); |
| role = Role.BROWSER; |
| } |
| holder.mToolbarTitle.setText(deck.getTitle()); |
| // TODO(kash): We need to say when the user last viewed the deck. |
| Bitmap thumb = deck.getThumb(); |
| if (thumb == null) { |
| thumb = makeDefaultThumb(holder.mToolbar.getContext()); |
| } |
| holder.mThumb.setImageBitmap(thumb); |
| holder.mThumb.setOnClickListener(new View.OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| Log.d(TAG, "Clicking through to PresentationActivity."); |
| final Context context = v.getContext(); |
| if (role == Role.AUDIENCE) { |
| final Participant p = mLiveDecks.getParticipant(deckIndex); |
| Log.d(TAG, "Joining:"); |
| Log.d(TAG, " syncgroupName = " + p.getSyncgroupName()); |
| Log.d(TAG, " presentationId = " + p.getPresentationId()); |
| DB.Singleton.get(context).joinPresentation( |
| p.getSyncgroupName(), |
| new DB.Callback<Void>() { |
| @Override |
| public void done(Void aVoid) { |
| showSlides( |
| context, deck, role, |
| p.getSyncgroupName(), |
| p.getPresentationId()); |
| } |
| }); |
| } else { |
| showSlides( |
| context, deck, role, |
| Participant.Unknown.SYNCGROUP_NAME, |
| Participant.Unknown.PRESENTATION_ID); |
| } |
| } |
| }); |
| } |
| |
| private void showSlides(Context context, Deck deck, Role role, |
| String syncName, String presId) { |
| Intent intent = new Intent(context, PresentationActivity.class); |
| intent.putExtra(Deck.B.DECK_ID, deck.getId()); |
| intent.putExtra(Participant.B.SYNCGROUP_NAME, syncName); |
| intent.putExtra(Participant.B.PRESENTATION_ID, presId); |
| intent.putExtra(Participant.B.PARTICIPANT_ROLE, role); |
| context.startActivity(intent); |
| } |
| |
| @Override |
| public int getItemCount() { |
| return mLiveDecks.getItemCount() + mDecks.getItemCount(); |
| } |
| |
| private Bitmap makeDefaultThumb(Context c) { |
| return BitmapFactory.decodeResource( |
| c.getResources(), R.drawable.thumb_deck3); |
| } |
| |
| public static class ViewHolder extends RecyclerView.ViewHolder { |
| public final ImageView mThumb; |
| public final Toolbar mToolbar; |
| public final TextView mToolbarTitle; |
| public final TextView mToolbarLiveNow; |
| public final TextView mToolbarLastOpened; |
| |
| public ViewHolder(final View itemView) { |
| super(itemView); |
| mThumb = (ImageView) itemView.findViewById(R.id.deck_thumb); |
| mToolbar = (Toolbar) itemView.findViewById(R.id.deck_card_toolbar); |
| mToolbarTitle = (TextView) itemView.findViewById(R.id.deck_card_toolbar_title); |
| mToolbarLiveNow = (TextView) itemView.findViewById(R.id.deck_card_toolbar_live_now); |
| mToolbarLastOpened = |
| (TextView) itemView.findViewById(R.id.deck_card_toolbar_last_opened); |
| mToolbar.inflateMenu(R.menu.deck_card); |
| } |
| } |
| } |