show context menu in channel search to share uri

src/main/java/eu/siacs/conversations/ui/ChannelDiscoveryActivity.java

@@ -37,11 +37,8 @@ public class ChannelDiscoveryActivity extends XmppActivity implements MenuItem.O
     private static final String CHANNEL_DISCOVERY_OPT_IN = "channel_discovery_opt_in";
 
     private final ChannelSearchResultAdapter adapter = new ChannelSearchResultAdapter();
-
-    private ActivityChannelDiscoveryBinding binding;
-
     private final PendingItem<String> mInitialSearchValue = new PendingItem<>();
-
+    private ActivityChannelDiscoveryBinding binding;
     private MenuItem mMenuSearchView;
     private EditText mSearchEditText;
 
@@ -198,6 +195,19 @@ public class ChannelDiscoveryActivity extends XmppActivity implements MenuItem.O
 
     }
 
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        final MuclumbusService.Room room = adapter.getCurrent();
+        if (room != null) {
+            switch (item.getItemId()) {
+                case R.id.share_with:
+                    StartConversationActivity.shareAsChannel(this, room.address);
+                    return true;
+            }
+        }
+        return false;
+    }
+
     public void joinChannelSearchResult(String accountJid, MuclumbusService.Room result) {
         final boolean syncAutojoin = getBooleanPreference("autojoin", R.bool.autojoin);
         Account account = xmppConnectionService.findAccountByJid(Jid.of(accountJid));

src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java

@@ -405,14 +405,18 @@ public class StartConversationActivity extends XmppActivity implements XmppConne
 
 	protected void shareBookmarkUri(int position) {
 		Bookmark bookmark = (Bookmark) conferences.get(position);
+		shareAsChannel(this, bookmark.getJid().asBareJid().toEscapedString());
+	}
+
+	public static void shareAsChannel(final Context context, final String address) {
 		Intent shareIntent = new Intent();
 		shareIntent.setAction(Intent.ACTION_SEND);
-		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + bookmark.getJid().asBareJid().toEscapedString() + "?join");
+		shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:" + address + "?join");
 		shareIntent.setType("text/plain");
 		try {
-			startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
+			context.startActivity(Intent.createChooser(shareIntent, context.getText(R.string.share_uri_with)));
 		} catch (ActivityNotFoundException e) {
-			Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
+			Toast.makeText(context, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
 		}
 	}
 

src/main/java/eu/siacs/conversations/ui/adapter/ChannelSearchResultAdapter.java

@@ -1,11 +1,13 @@
 package eu.siacs.conversations.ui.adapter;
 
+import android.app.Activity;
 import android.databinding.DataBindingUtil;
 import android.support.annotation.NonNull;
 import android.support.v7.recyclerview.extensions.ListAdapter;
 import android.support.v7.util.DiffUtil;
 import android.support.v7.widget.RecyclerView;
 import android.text.TextUtils;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -15,12 +17,11 @@ import java.util.Locale;
 import eu.siacs.conversations.R;
 import eu.siacs.conversations.databinding.SearchResultItemBinding;
 import eu.siacs.conversations.http.services.MuclumbusService;
+import eu.siacs.conversations.ui.XmppActivity;
 import eu.siacs.conversations.ui.util.AvatarWorkerTask;
 import rocks.xmpp.addr.Jid;
 
-public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Room, ChannelSearchResultAdapter.ViewHolder> {
+public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Room, ChannelSearchResultAdapter.ViewHolder> implements View.OnCreateContextMenuListener {
-
-    private OnChannelSearchResultSelected listener;
 
     private static final DiffUtil.ItemCallback<MuclumbusService.Room> DIFF = new DiffUtil.ItemCallback<MuclumbusService.Room>() {
         @Override
@@ -33,6 +34,8 @@ public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Roo
             return a.equals(b);
         }
     };
+    private OnChannelSearchResultSelected listener;
+    private MuclumbusService.Room current;
 
     public ChannelSearchResultAdapter() {
         super(DIFF);
@@ -65,13 +68,34 @@ public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Roo
         final Jid room = searchResult.getRoom();
         viewHolder.binding.room.setText(room != null ? room.asBareJid().toString() : "");
         AvatarWorkerTask.loadAvatar(searchResult, viewHolder.binding.avatar, R.dimen.avatar);
-        viewHolder.binding.getRoot().setOnClickListener(v -> listener.onChannelSearchResult(searchResult));
+        final View root = viewHolder.binding.getRoot();
+        root.setTag(searchResult);
+        root.setOnClickListener(v -> listener.onChannelSearchResult(searchResult));
+        root.setOnCreateContextMenuListener(this);
     }
 
     public void setOnChannelSearchResultSelectedListener(OnChannelSearchResultSelected listener) {
         this.listener = listener;
     }
 
+    public MuclumbusService.Room getCurrent() {
+        return this.current;
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+        final Activity activity = XmppActivity.find(v);
+        final Object tag = v.getTag();
+        if (activity != null && tag instanceof MuclumbusService.Room) {
+            activity.getMenuInflater().inflate(R.menu.channel_item_context, menu);
+            this.current = (MuclumbusService.Room) tag;
+        }
+    }
+
+
+    public interface OnChannelSearchResultSelected {
+        void onChannelSearchResult(MuclumbusService.Room result);
+    }
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
 
@@ -82,8 +106,4 @@ public class ChannelSearchResultAdapter extends ListAdapter<MuclumbusService.Roo
             this.binding = binding;
         }
     }
-
-    public interface OnChannelSearchResultSelected {
-        void onChannelSearchResult(MuclumbusService.Room result);
-    }
 }

src/main/res/menu/channel_item_context.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/share_with"
+        android:title="@string/share_uri_with" />
+</menu>