com.morlunk.mumbleclient.channel.ChannelListFragment.java Source code

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Here is the source code for com.morlunk.mumbleclient.channel.ChannelListFragment.java

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/*
 * Copyright (C) 2014 Andrew Comminos
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.morlunk.mumbleclient.channel;

import android.app.Activity;
import android.app.SearchManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.database.CursorWrapper;
import android.graphics.PorterDuff;
import android.media.AudioManager;
import android.os.Bundle;
import android.os.RemoteException;
import android.preference.PreferenceManager;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.view.ActionMode;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.SearchView;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import com.morlunk.jumble.IJumbleService;
import com.morlunk.jumble.model.IChannel;
import com.morlunk.jumble.model.IUser;
import com.morlunk.jumble.util.IJumbleObserver;
import com.morlunk.jumble.util.JumbleException;
import com.morlunk.jumble.util.JumbleObserver;
import com.morlunk.mumbleclient.R;
import com.morlunk.mumbleclient.Settings;
import com.morlunk.mumbleclient.db.DatabaseProvider;
import com.morlunk.mumbleclient.util.JumbleServiceFragment;

public class ChannelListFragment extends JumbleServiceFragment
        implements OnChannelClickListener, OnUserClickListener, SharedPreferences.OnSharedPreferenceChangeListener {

    private IJumbleObserver mServiceObserver = new JumbleObserver() {
        @Override
        public void onDisconnected(JumbleException e) {
            mChannelView.setAdapter(null);
        }

        @Override
        public void onUserJoinedChannel(IUser user, IChannel newChannel, IChannel oldChannel) {
            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
            if (getService().getSession() == user.getSession()) {
                scrollToChannel(newChannel.getId());
            }
        }

        @Override
        public void onChannelAdded(IChannel channel) {
            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onChannelRemoved(IChannel channel) {
            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onChannelStateUpdated(IChannel channel) {
            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onUserConnected(IUser user) {
            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onUserRemoved(IUser user, String reason) {
            // If we are the user being removed, don't update the channel list.
            // We won't be in a synchronized state.
            if (!getService().isSynchronized())
                return;

            mChannelListAdapter.updateChannels();
            mChannelListAdapter.notifyDataSetChanged();
        }

        @Override
        public void onUserStateUpdated(IUser user) {
            mChannelListAdapter.animateUserStateUpdate(user, mChannelView);
            getActivity().supportInvalidateOptionsMenu(); // Update self mute/deafen state
        }

        @Override
        public void onUserTalkStateUpdated(IUser user) {
            mChannelListAdapter.animateUserTalkStateUpdate(user, mChannelView);
        }
    };

    private BroadcastReceiver mBluetoothReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (getActivity() != null)
                getActivity().supportInvalidateOptionsMenu(); // Update bluetooth menu item
        }
    };

    private RecyclerView mChannelView;
    private ChannelListAdapter mChannelListAdapter;
    private ChatTargetProvider mTargetProvider;
    private DatabaseProvider mDatabaseProvider;
    private ActionMode mActionMode;
    private Settings mSettings;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mTargetProvider = (ChatTargetProvider) getParentFragment();
        } catch (ClassCastException e) {
            throw new ClassCastException(getParentFragment().toString() + " must implement ChatTargetProvider");
        }
        try {
            mDatabaseProvider = (DatabaseProvider) getActivity();
        } catch (ClassCastException e) {
            throw new ClassCastException(getActivity().toString() + " must implement DatabaseProvider");
        }
        mSettings = Settings.getInstance(activity);
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
        preferences.registerOnSharedPreferenceChangeListener(this);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_channel_list, container, false);
        mChannelView = (RecyclerView) view.findViewById(R.id.channelUsers);
        mChannelView.setLayoutManager(new LinearLayoutManager(getActivity()));

        return view;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        registerForContextMenu(mChannelView);
        getActivity().registerReceiver(mBluetoothReceiver,
                new IntentFilter(AudioManager.ACTION_SCO_AUDIO_STATE_CHANGED));
    }

    @Override
    public void onDetach() {
        getActivity().unregisterReceiver(mBluetoothReceiver);
        super.onDetach();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
        preferences.unregisterOnSharedPreferenceChangeListener(this);
    }

    @Override
    public IJumbleObserver getServiceObserver() {
        return mServiceObserver;
    }

    @Override
    public void onServiceBound(IJumbleService service) {
        try {
            if (mChannelListAdapter == null) {
                setupChannelList();
            } else {
                mChannelListAdapter.setService(service);
            }
        } catch (RemoteException e) {
            e.printStackTrace();
        }
    }

    @Override
    public void onPrepareOptionsMenu(Menu menu) {
        super.onPrepareOptionsMenu(menu);

        MenuItem muteItem = menu.findItem(R.id.menu_mute_button);
        MenuItem deafenItem = menu.findItem(R.id.menu_deafen_button);

        if (getService() != null && getService().isSynchronized()) {
            // Color the action bar icons to the primary text color of the theme, TODO move this elsewhere
            int foregroundColor = getActivity().getTheme()
                    .obtainStyledAttributes(new int[] { android.R.attr.textColorPrimaryInverse }).getColor(0, -1);

            IUser self = getService().getSessionUser();
            muteItem.setIcon(
                    self.isSelfMuted() ? R.drawable.ic_action_microphone_muted : R.drawable.ic_action_microphone);
            deafenItem
                    .setIcon(self.isSelfDeafened() ? R.drawable.ic_action_audio_muted : R.drawable.ic_action_audio);
            muteItem.getIcon().mutate().setColorFilter(foregroundColor, PorterDuff.Mode.MULTIPLY);
            deafenItem.getIcon().mutate().setColorFilter(foregroundColor, PorterDuff.Mode.MULTIPLY);

            MenuItem bluetoothItem = menu.findItem(R.id.menu_bluetooth);
            bluetoothItem.setChecked(getService().usingBluetoothSco());
        }
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.fragment_channel_list, menu);

        MenuItem searchItem = menu.findItem(R.id.menu_search);
        SearchManager searchManager = (SearchManager) getActivity().getSystemService(Context.SEARCH_SERVICE);

        final SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
        searchView.setSearchableInfo(searchManager.getSearchableInfo(getActivity().getComponentName()));
        searchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() {
            @Override
            public boolean onSuggestionSelect(int i) {
                return false;
            }

            @Override
            public boolean onSuggestionClick(int i) {
                CursorWrapper cursor = (CursorWrapper) searchView.getSuggestionsAdapter().getItem(i);
                int typeColumn = cursor.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA);
                int dataIdColumn = cursor.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_DATA);
                String itemType = cursor.getString(typeColumn);
                int itemId = cursor.getInt(dataIdColumn);
                if (ChannelSearchProvider.INTENT_DATA_CHANNEL.equals(itemType)) {
                    if (getService().getSessionChannel().getId() != itemId) {
                        getService().joinChannel(itemId);
                    } else {
                        scrollToChannel(itemId);
                    }
                    return true;
                } else if (ChannelSearchProvider.INTENT_DATA_USER.equals(itemType)) {
                    scrollToUser(itemId);
                    return true;
                }
                return false;
            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        switch (item.getItemId()) {
        case R.id.menu_mute_button: {
            IUser self = getService().getSessionUser();

            boolean muted = !self.isSelfMuted();
            boolean deafened = self.isSelfDeafened();
            deafened &= muted; // Undeafen if mute is off
            getService().setSelfMuteDeafState(muted, deafened);

            getActivity().supportInvalidateOptionsMenu();
            return true;
        }
        case R.id.menu_deafen_button: {
            IUser self = getService().getSessionUser();

            boolean deafened = !self.isSelfDeafened();
            getService().setSelfMuteDeafState(deafened, deafened);

            getActivity().supportInvalidateOptionsMenu();
            return true;
        }
        case R.id.menu_search:
            return false;
        case R.id.menu_bluetooth:
            item.setChecked(!item.isChecked());
            if (item.isChecked()) {
                getService().enableBluetoothSco();
            } else {
                getService().disableBluetoothSco();
            }
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private void setupChannelList() throws RemoteException {
        mChannelListAdapter = new ChannelListAdapter(getActivity(), getService(), mDatabaseProvider.getDatabase(),
                getChildFragmentManager(), isShowingPinnedChannels(), mSettings.shouldShowUserCount());
        mChannelListAdapter.setOnChannelClickListener(this);
        mChannelListAdapter.setOnUserClickListener(this);
        mChannelView.setAdapter(mChannelListAdapter);
        mChannelListAdapter.notifyDataSetChanged();
    }

    /**
     * Scrolls to the passed channel.
     */
    public void scrollToChannel(int channelId) {
        int channelPosition = mChannelListAdapter.getChannelPosition(channelId);
        mChannelView.smoothScrollToPosition(channelPosition);
    }

    /**
     * Scrolls to the passed user.
     */
    public void scrollToUser(int userId) {
        int userPosition = mChannelListAdapter.getUserPosition(userId);
        mChannelView.smoothScrollToPosition(userPosition);
    }

    private boolean isShowingPinnedChannels() {
        return getArguments().getBoolean("pinned");
    }

    @Override
    public void onChannelClick(IChannel channel) {
        if (mTargetProvider.getChatTarget() != null && channel.equals(mTargetProvider.getChatTarget().getChannel())
                && mActionMode != null) {
            // Dismiss action mode if double pressed. FIXME: use list view selection instead?
            mActionMode.finish();
        } else {
            ActionMode.Callback cb = new ChatTargetActionModeCallback(mTargetProvider,
                    new ChatTargetProvider.ChatTarget(channel)) {
                @Override
                public void onDestroyActionMode(ActionMode actionMode) {
                    super.onDestroyActionMode(actionMode);
                    mActionMode = null;
                }
            };
            mActionMode = ((ActionBarActivity) getActivity()).startSupportActionMode(cb);
        }
    }

    @Override
    public void onUserClick(IUser user) {
        if (mTargetProvider.getChatTarget() != null && user.equals(mTargetProvider.getChatTarget().getUser())
                && mActionMode != null) {
            // Dismiss action mode if double pressed. FIXME: use list view selection instead?
            mActionMode.finish();
        } else {
            ActionMode.Callback cb = new ChatTargetActionModeCallback(mTargetProvider,
                    new ChatTargetProvider.ChatTarget(user)) {
                @Override
                public void onDestroyActionMode(ActionMode actionMode) {
                    super.onDestroyActionMode(actionMode);
                    mActionMode = null;
                }
            };
            mActionMode = ((ActionBarActivity) getActivity()).startSupportActionMode(cb);
        }
    }

    @Override
    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
        if (Settings.PREF_SHOW_USER_COUNT.equals(key) && mChannelListAdapter != null) {
            mChannelListAdapter.setShowChannelUserCount(mSettings.shouldShowUserCount());
        }
    }
}