Fix #382 Extract OverlappingAvatarLayout into own reusable component

1 files changed, 69 insertions, 0 deletions

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/view/OverlappingAvatars.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/view/OverlappingAvatars.java
new file mode 100644
index 000000000..2bf6ec13c
--- /dev/null
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/view/OverlappingAvatars.java
@@ -0,0 +1,69 @@
+package it.niedermann.nextcloud.deck.ui.view;
+
+import android.content.Context;
+import android.net.Uri;
+import android.util.AttributeSet;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.RelativeLayout;
+
+import androidx.annotation.NonNull;
+
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.RequestOptions;
+
+import java.util.List;
+
+import it.niedermann.nextcloud.deck.R;
+import it.niedermann.nextcloud.deck.model.Account;
+import it.niedermann.nextcloud.deck.model.User;
+
+import static it.niedermann.nextcloud.deck.util.DimensionUtil.dpToPx;
+
+public class OverlappingAvatars extends RelativeLayout {
+    final int maxAvatarCount;
+    final int avatarSize;
+    final int overlapPx;
+
+    public OverlappingAvatars(Context context) {
+        this(context, null);
+    }
+
+    public OverlappingAvatars(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public OverlappingAvatars(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        maxAvatarCount = context.getResources().getInteger(R.integer.max_avatar_count);
+        avatarSize = dpToPx(context, R.dimen.avatar_size_small);
+        overlapPx = dpToPx(context, R.dimen.avatar_size_small_overlapping);
+    }
+
+    public void setAvatars(@NonNull Account account, @NonNull List<User> assignedUsers) {
+        @NonNull Context context = getContext();
+        removeAllViews();
+        RelativeLayout.LayoutParams avatarLayoutParams;
+        int avatarCount;
+        for (avatarCount = 0; avatarCount < assignedUsers.size() && avatarCount < maxAvatarCount; avatarCount++) {
+            avatarLayoutParams = new RelativeLayout.LayoutParams(avatarSize, avatarSize);
+            avatarLayoutParams.setMargins(0, 0, avatarCount * overlapPx, 0);
+            avatarLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
+            final ImageView avatar = new ImageView(context);
+            avatar.setLayoutParams(avatarLayoutParams);
+            addView(avatar);
+            avatar.requestLayout();
+            Glide.with(context)
+                    .load(account.getUrl() + "/index.php/avatar/" + Uri.encode(assignedUsers.get(avatarCount).getUid()) + "/" + avatarSize)
+                    .error(R.drawable.ic_person_grey600_24dp)
+                    .apply(RequestOptions.circleCropTransform())
+                    .into(avatar);
+        }
+
+        // Recalculate container size based on avatar count
+        int size = overlapPx * (avatarCount - 1) + avatarSize;
+        ViewGroup.LayoutParams rememberParam = getLayoutParams();
+        rememberParam.width = size;
+        setLayoutParams(rememberParam);
+    }
+}