Show paid media albums with context.

Telegram/SourceFiles/media/view/media_view_group_thumbs.cpp

@@ -669,6 +669,11 @@ auto GroupThumbs::createThumb(Key key)
 							key,
 							page->collage,
 							collageKey->index);
+					} else if (const auto invoice = media->invoice()) {
+						return createThumb(
+							key,
+							*invoice,
+							collageKey->index);
 					}
 				}
 			}
@@ -695,6 +700,23 @@ auto GroupThumbs::createThumb(
 	return createThumb(key, nullptr);
 }
 
+auto GroupThumbs::createThumb(
+	Key key,
+	const Data::Invoice &invoice,
+	int index)
+-> std::unique_ptr<Thumb> {
+	if (index < 0 || index >= invoice.extendedMedia.size()) {
+		return createThumb(key, nullptr);
+	}
+	const auto &media = invoice.extendedMedia[index];
+	if (const auto photo = media->photo()) {
+		return createThumb(key, photo);
+	} else if (const auto document = media->document()) {
+		return createThumb(key, document);
+	}
+	return createThumb(key, nullptr);
+}
+
 auto GroupThumbs::createThumb(Key key, std::nullptr_t)
 -> std::unique_ptr<Thumb> {
 	const auto weak = base::make_weak(this);

Telegram/SourceFiles/media/view/media_view_group_thumbs.h

@@ -15,6 +15,10 @@ class SharedMediaWithLastSlice;
 class UserPhotosSlice;
 struct WebPageCollage;
 
+namespace Data {
+struct Invoice;
+} // namespace Data
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -109,6 +113,10 @@ private:
 		Key key,
 		const WebPageCollage &collage,
 		int index);
+	std::unique_ptr<Thumb> createThumb(
+		Key key,
+		const Data::Invoice &invoice,
+		int index);
 	std::unique_ptr<Thumb> createThumb(Key key, not_null<PhotoData*> photo);
 	std::unique_ptr<Thumb> createThumb(
 		Key key,

Telegram/SourceFiles/media/view/media_view_overlay_widget.cpp

@@ -2771,7 +2771,7 @@ auto OverlayWidget::sharedMediaType() const
 	using Type = SharedMediaType;
 	if (_message) {
 		if (const auto media = _message->media()) {
-			if (media->webpage()) {
+			if (media->webpage() || media->invoice()) {
 				return std::nullopt;
 			}
 		}
@@ -2999,6 +2999,14 @@ std::optional<OverlayWidget::CollageKey> OverlayWidget::collageKey() const {
 						return item;
 					}
 				}
+			} else if (const auto invoice = media->invoice()) {
+				for (const auto &item : invoice->extendedMedia) {
+					if (_photo && item->photo() == _photo) {
+						return _photo;
+					} else if (_document && item->document() == _document) {
+						return _document;
+					}
+				}
 			}
 		}
 	}
@@ -3032,6 +3040,16 @@ void OverlayWidget::validateCollage() {
 			if (const auto media = _message->media()) {
 				if (const auto page = media->webpage()) {
 					_collageData = page->collage;
+				} else if (const auto invoice = media->invoice()) {
+					auto &data = *_collageData;
+					data.items.reserve(invoice->extendedMedia.size());
+					for (const auto &item : invoice->extendedMedia) {
+						if (const auto photo = item->photo()) {
+							data.items.push_back(photo);
+						} else if (const auto document = item->document()) {
+							data.items.push_back(document);
+						}
+					}
 				}
 			}
 		}