Group member dialog update.

app/src/main/java/org/thoughtcrime/securesms/groups/ui/GroupMemberEntry.java

@@ -0,0 +1,35 @@
+package org.thoughtcrime.securesms.groups.ui;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import org.thoughtcrime.securesms.recipients.Recipient;
+
+public abstract class GroupMemberEntry {
+
+  private @Nullable Runnable onClick;
+
+  private GroupMemberEntry() {
+  }
+
+  public void setOnClick(@NonNull Runnable onClick) {
+    this.onClick = onClick;
+  }
+
+  public @Nullable Runnable getOnClick() {
+    return onClick;
+  }
+
+  public static class FullMember extends GroupMemberEntry {
+
+    private final Recipient member;
+
+    public FullMember(@NonNull Recipient member) {
+      this.member = member;
+    }
+
+    public Recipient getMember() {
+      return member;
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/groups/ui/GroupMemberListAdapter.java

@@ -0,0 +1,115 @@
+package org.thoughtcrime.securesms.groups.ui;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.thoughtcrime.securesms.R;
+import org.thoughtcrime.securesms.components.AvatarImageView;
+import org.thoughtcrime.securesms.recipients.Recipient;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+final class GroupMemberListAdapter extends RecyclerView.Adapter<GroupMemberListAdapter.ViewHolder> {
+
+  private static final int FULL_MEMBER = 0;
+
+  private final ArrayList<GroupMemberEntry> data = new ArrayList<>();
+
+  void updateData(@NonNull Collection<? extends GroupMemberEntry> recipients) {
+    data.clear();
+    data.addAll(recipients);
+    notifyDataSetChanged();
+  }
+
+  @Override
+  public @NonNull ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    switch (viewType) {
+      case FULL_MEMBER:
+        return new FullMemberViewHolder(LayoutInflater.from(parent.getContext())
+                                                      .inflate(R.layout.group_recipient_list_item,
+                                                               parent, false));
+      default:
+        throw new AssertionError();
+    }
+  }
+
+  @Override
+  public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+    holder.bind(data.get(position));
+  }
+
+  @Override
+  public int getItemViewType(int position) {
+    GroupMemberEntry groupMemberEntry = data.get(position);
+
+    if (groupMemberEntry instanceof GroupMemberEntry.FullMember) {
+      return FULL_MEMBER;
+    }
+
+    throw new AssertionError();
+  }
+
+  @Override
+  public int getItemCount() {
+    return data.size();
+  }
+
+  static abstract class ViewHolder extends RecyclerView.ViewHolder {
+
+            final Context         context;
+    private final AvatarImageView avatar;
+    private final TextView        recipient;
+            final PopupMenuView   popupMenu;
+
+    ViewHolder(@NonNull View itemView) {
+      super(itemView);
+
+      context   = itemView.getContext();
+      avatar    = itemView.findViewById(R.id.recipient_avatar);
+      recipient = itemView.findViewById(R.id.recipient_name);
+      popupMenu = itemView.findViewById(R.id.popupMenu);
+    }
+
+    void bindRecipient(@NonNull Recipient recipient) {
+      String displayName = recipient.isLocalNumber() ? context.getString(R.string.GroupMembersDialog_you)
+                                                     : recipient.getDisplayName(itemView.getContext());
+      bindImageAndText(recipient, displayName);
+    }
+
+    void bindImageAndText(@NonNull Recipient recipient, @NonNull String displayText) {
+      this.recipient.setText(displayText);
+      this.avatar.setRecipient(recipient);
+    }
+
+    void bind(@NonNull GroupMemberEntry memberEntry) {
+      Runnable             onClick         = memberEntry.getOnClick();
+      View.OnClickListener onClickListener = v -> { if (onClick != null) onClick.run(); };
+
+      this.avatar.setOnClickListener(onClickListener);
+      this.recipient.setOnClickListener(onClickListener);
+    }
+  }
+
+  final static class FullMemberViewHolder extends ViewHolder {
+
+    FullMemberViewHolder(@NonNull View itemView) {
+      super(itemView);
+    }
+
+    @Override
+    void bind(@NonNull GroupMemberEntry memberEntry) {
+      super.bind(memberEntry);
+
+      GroupMemberEntry.FullMember fullMember = (GroupMemberEntry.FullMember) memberEntry;
+
+      bindRecipient(fullMember.getMember());
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/groups/ui/GroupMemberListView.java

@@ -0,0 +1,62 @@
+package org.thoughtcrime.securesms.groups.ui;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import org.thoughtcrime.securesms.R;
+
+import java.util.Collection;
+
+public final class GroupMemberListView extends RecyclerView {
+
+  private final GroupMemberListAdapter membersAdapter = new GroupMemberListAdapter();
+  private       int                    maxHeight;
+
+  public GroupMemberListView(@NonNull Context context) {
+    super(context);
+    initialize(context, null);
+  }
+
+  public GroupMemberListView(@NonNull Context context, @Nullable AttributeSet attrs) {
+    super(context, attrs);
+    initialize(context, attrs);
+  }
+
+  public GroupMemberListView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
+    super(context, attrs, defStyle);
+    initialize(context, attrs);
+  }
+
+  private void initialize(@NonNull Context context, @Nullable AttributeSet attrs) {
+    setHasFixedSize(true);
+    setLayoutManager(new LinearLayoutManager(context));
+    setAdapter(membersAdapter);
+
+    if (attrs != null) {
+      TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.GroupMemberListView, 0, 0);
+      try {
+        maxHeight = typedArray.getDimensionPixelSize(R.styleable.GroupMemberListView_maxHeight, 0);
+      } finally {
+        typedArray.recycle();
+      }
+    }
+  }
+
+  public void setMembers(@NonNull Collection<? extends GroupMemberEntry> recipients) {
+    membersAdapter.updateData(recipients);
+  }
+
+  @Override
+  protected void onMeasure(int widthSpec, int heightSpec) {
+    if (maxHeight > 0) {
+      heightSpec = MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.AT_MOST);
+    }
+    super.onMeasure(widthSpec, heightSpec);
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/groups/ui/PopupMenuView.java

@@ -0,0 +1,60 @@
+package org.thoughtcrime.securesms.groups.ui;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MenuInflater;
+import android.view.View;
+
+import androidx.annotation.IdRes;
+import androidx.annotation.MenuRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.PopupMenu;
+
+import org.thoughtcrime.securesms.R;
+
+public final class PopupMenuView extends View {
+
+  private @MenuRes  int       menu;
+  private @Nullable ItemClick callback;
+
+  public PopupMenuView(Context context) {
+    super(context);
+    init();
+  }
+
+  public PopupMenuView(Context context, @Nullable AttributeSet attrs) {
+    super(context, attrs);
+    init();
+  }
+
+  public PopupMenuView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
+    init();
+  }
+
+  private void init() {
+    setBackgroundResource(R.drawable.ic_more_vert_24);
+
+    setOnClickListener(v -> {
+      if (callback != null) {
+        PopupMenu    popup    = new PopupMenu(getContext(), v);
+        MenuInflater inflater = popup.getMenuInflater();
+
+        inflater.inflate(menu, popup.getMenu());
+
+        popup.setOnMenuItemClickListener(item -> callback.onItemClick(item.getItemId()));
+        popup.show();
+      }
+    });
+  }
+
+  public void setMenu(@MenuRes int menu, @NonNull ItemClick callback) {
+    this.menu     = menu;
+    this.callback = callback;
+  }
+
+  public interface ItemClick {
+    boolean onItemClick(@IdRes int menuItemId);
+  }
+}