1package eu.siacs.conversations.services;
 2
 3import android.annotation.TargetApi;
 4import android.content.ComponentName;
 5import android.content.Context;
 6import android.content.Intent;
 7import android.content.IntentFilter;
 8import android.content.ServiceConnection;
 9import android.graphics.drawable.Icon;
10import android.os.Build;
11import android.os.Bundle;
12import android.os.IBinder;
13import android.service.chooser.ChooserTarget;
14import android.service.chooser.ChooserTargetService;
15
16import java.util.ArrayList;
17import java.util.List;
18
19import eu.siacs.conversations.entities.Conversation;
20import eu.siacs.conversations.ui.ConversationsActivity;
21
22@TargetApi(Build.VERSION_CODES.M)
23public class ContactChooserTargetService extends ChooserTargetService implements ServiceConnection {
24
25    private final Object lock = new Object();
26    private final int MAX_TARGETS = 5;
27    private XmppConnectionService mXmppConnectionService;
28
29    private static boolean textOnly(IntentFilter filter) {
30        for (int i = 0; i < filter.countDataTypes(); ++i) {
31            if (!"text/plain".equals(filter.getDataType(i))) {
32                return false;
33            }
34        }
35        return true;
36    }
37
38    @Override
39    public List<ChooserTarget> onGetChooserTargets(ComponentName targetActivityName, IntentFilter matchedFilter) {
40        Intent intent = new Intent(this, XmppConnectionService.class);
41        intent.setAction("contact_chooser");
42        bindService(intent, this, Context.BIND_AUTO_CREATE);
43        ArrayList<ChooserTarget> chooserTargets = new ArrayList<>();
44        try {
45            waitForService();
46            final ArrayList<Conversation> conversations = new ArrayList<>();
47            if (!mXmppConnectionService.areMessagesInitialized()) {
48                return chooserTargets;
49            }
50            
51            mXmppConnectionService.populateWithOrderedConversations(conversations, textOnly(matchedFilter));
52            final ComponentName componentName = new ComponentName(this, ConversationsActivity.class);
53            final int pixel = AvatarService.getSystemUiAvatarSize(this);
54            for (Conversation conversation : conversations) {
55                if (conversation.sentMessagesCount() == 0) {
56                    continue;
57                }
58                final String name = conversation.getName().toString();
59                final Icon icon = Icon.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation, pixel));
60                final float score = 1 - (1.0f / MAX_TARGETS) * chooserTargets.size();
61                final Bundle extras = new Bundle();
62                extras.putString(ConversationsActivity.EXTRA_CONVERSATION, conversation.getUuid());
63                chooserTargets.add(new ChooserTarget(name, icon, score, componentName, extras));
64                if (chooserTargets.size() >= MAX_TARGETS) {
65                    break;
66                }
67            }
68        } catch (InterruptedException e) {
69        }
70        unbindService(this);
71        return chooserTargets;
72    }
73
74    @Override
75    public void onServiceConnected(ComponentName name, IBinder service) {
76        XmppConnectionService.XmppConnectionBinder binder = (XmppConnectionService.XmppConnectionBinder) service;
77        mXmppConnectionService = binder.getService();
78        synchronized (this.lock) {
79            lock.notifyAll();
80        }
81    }
82
83    @Override
84    public void onServiceDisconnected(ComponentName name) {
85        mXmppConnectionService = null;
86    }
87
88    private void waitForService() throws InterruptedException {
89        if (mXmppConnectionService == null) {
90            synchronized (this.lock) {
91                lock.wait();
92            }
93        }
94    }
95}