Allow apply spoiler when editing to another media.

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -175,12 +175,15 @@ void EditCaptionBox::rebuildPreview() {
 			Window::GifPauseReason::Layer);
 	};
 
+	applyChanges();
+
+	_previewHasSpoiler = nullptr;
 	if (_preparedList.files.empty()) {
 		const auto media = _historyItem->media();
 		const auto photo = media->photo();
 		const auto document = media->document();
+		_isPhoto = (photo != nullptr);
 		if (photo || document->isVideoFile() || document->isAnimation()) {
-			_isPhoto = (photo != nullptr);
 			const auto media = Ui::CreateChild<Ui::ItemSingleMediaPreview>(
 				this,
 				gifPaused,
@@ -189,7 +192,6 @@ void EditCaptionBox::rebuildPreview() {
 			_photoMedia = media->sharedPhotoMedia();
 			_content.reset(media);
 		} else {
-			_isPhoto = false;
 			_content.reset(Ui::CreateChild<Ui::ItemSingleFilePreview>(
 				this,
 				_historyItem,
@@ -203,11 +205,12 @@ void EditCaptionBox::rebuildPreview() {
 			gifPaused,
 			file,
 			Ui::AttachControls::Type::EditOnly);
-		if (media) {
-			_isPhoto = media->isPhoto();
+		_isPhoto = (media && media->isPhoto());
+		const auto withCheckbox = _isPhoto && CanBeCompressed(_albumType);
+		if (media && (!withCheckbox || !_asFile)) {
+			_previewHasSpoiler = [media] { return media->hasSpoiler(); };
 			_content.reset(media);
 		} else {
-			_isPhoto = false;
 			_content.reset(Ui::CreateChild<Ui::SingleFilePreview>(
 				this,
 				file,
@@ -299,7 +302,7 @@ void EditCaptionBox::setupControls() {
 		{}
 	) | rpl::map([=] {
 		return _controller->session().settings().photoEditorHintShown()
-			? _isPhoto
+			? (_isPhoto && !_asFile)
 			: false;
 	});
 
@@ -329,7 +332,9 @@ void EditCaptionBox::setupControls() {
 		anim::type::instant
 	)->entity()->checkedChanges(
 	) | rpl::start_with_next([&](bool checked) {
+		applyChanges();
 		_asFile = !checked;
+		rebuildPreview();
 	}, _controls->lifetime());
 
 	_controls->resizeToWidth(st::sendMediaPreviewSize);
@@ -430,6 +435,8 @@ void EditCaptionBox::setupPhotoEditorEventHandler() {
 					return;
 				}
 				auto copy = large->original();
+				const auto wasSpoiler = hasSpoiler();
+
 				_preparedList = Storage::PrepareMediaFromImage(
 					std::move(copy),
 					QByteArray(),
@@ -437,6 +444,7 @@ void EditCaptionBox::setupPhotoEditorEventHandler() {
 
 				using ImageInfo = Ui::PreparedFileInformation::Image;
 				auto &file = _preparedList.files.front();
+				file.spoiler = wasSpoiler;
 				const auto image = std::get_if<ImageInfo>(
 					&file.information->media);
 
@@ -581,11 +589,20 @@ bool EditCaptionBox::setPreparedList(Ui::PreparedList &&list) {
 			tr::lng_edit_media_album_error(tr::now));
 		return false;
 	}
+	const auto wasSpoiler = hasSpoiler();
 	_preparedList = std::move(list);
+	_preparedList.files.front().spoiler = wasSpoiler;
 	rebuildPreview();
 	return true;
 }
 
+bool EditCaptionBox::hasSpoiler() const {
+	return _preparedList.files.empty()
+		? (_historyItem->media()
+			&& _historyItem->media()->hasSpoiler())
+		: _preparedList.files.front().spoiler;
+}
+
 void EditCaptionBox::captionResized() {
 	updateBoxSize();
 	resizeEvent(0);
@@ -690,6 +707,12 @@ bool EditCaptionBox::validateLength(const QString &text) const {
 	return false;
 }
 
+void EditCaptionBox::applyChanges() {
+	if (!_preparedList.files.empty() && _previewHasSpoiler) {
+		_preparedList.files.front().spoiler = _previewHasSpoiler();
+	}
+}
+
 void EditCaptionBox::save() {
 	if (_saveRequestId) {
 		return;
@@ -727,10 +750,14 @@ void EditCaptionBox::save() {
 		action.replaceMediaOf = item->fullId().msg;
 
 		Storage::ApplyModifications(_preparedList);
+		if (!_preparedList.files.empty()) {
+			_preparedList.files.front().spoiler = false;
+			applyChanges();
+		}
 
 		_controller->session().api().editMedia(
 			std::move(_preparedList),
-			(!_asFile && _isPhoto && CanBeCompressed(_albumType))
+			(_isPhoto && !_asFile && CanBeCompressed(_albumType))
 				? SendMediaType::Photo
 				: SendMediaType::File,
 			_field->getTextWithAppliedMarkdown(),

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -64,11 +64,13 @@ private:
 	void setupDragArea();
 
 	bool validateLength(const QString &text) const;
+	void applyChanges();
 	void save();
 
 	bool fileFromClipboard(not_null<const QMimeData*> data);
 
-	int errorTopSkip() const;
+	[[nodiscard]] int errorTopSkip() const;
+	[[nodiscard]] bool hasSpoiler() const;
 
 	bool setPreparedList(Ui::PreparedList &&list);
 
@@ -83,6 +85,7 @@ private:
 	const base::unique_qptr<Ui::EmojiButton> _emojiToggle;
 
 	base::unique_qptr<Ui::AbstractSinglePreview> _content;
+	Fn<bool()> _previewHasSpoiler;
 	base::unique_qptr<ChatHelpers::TabbedPanel> _emojiPanel;
 	base::unique_qptr<QObject> _emojiFilter;
 

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -232,16 +232,20 @@ void SendFilesBox::Block::applyChanges() {
 		if (_isSingleMedia) {
 			const auto media = static_cast<Ui::SingleMediaPreview*>(
 				_preview.get());
-			(*_items)[_from].spoiler = media->hasSpoiler();
+			if (media->canHaveSpoiler()) {
+				(*_items)[_from].spoiler = media->hasSpoiler();
+			}
 		}
 		return;
 	}
 	const auto album = static_cast<Ui::AlbumPreview*>(_preview.get());
 	const auto order = album->takeOrder();
-	const auto spoilered = album->collectSpoileredIndices();
 	const auto guard = gsl::finally([&] {
+		const auto spoilered = album->collectSpoileredIndices();
 		for (auto i = 0, count = int(order.size()); i != count; ++i) {
-			(*_items)[_from + i].spoiler = spoilered.contains(i);
+			if (album->canHaveSpoiler(i)) {
+				(*_items)[_from + i].spoiler = spoilered.contains(i);
+			}
 		}
 	});
 	const auto isIdentity = [&] {
@@ -1095,6 +1099,9 @@ void SendFilesBox::send(
 		saveSendWaySettings();
 	}
 
+	for (auto &item : _list.files) {
+		item.spoiler = false;
+	}
 	for (auto &block : _blocks) {
 		block.applyChanges();
 	}

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_media_preview.cpp

@@ -51,12 +51,14 @@ rpl::producer<> AbstractSingleMediaPreview::modifyRequests() const {
 }
 
 void AbstractSingleMediaPreview::setSendWay(SendFilesWay way) {
-	if (_sendWay != way) {
-		_sendWay = way;
-	}
+	_sendWay = way;
 	update();
 }
 
+SendFilesWay AbstractSingleMediaPreview::sendWay() const {
+	return _sendWay;
+}
+
 void AbstractSingleMediaPreview::setSpoiler(bool spoiler) {
 	_spoiler = spoiler
 		? std::make_unique<SpoilerAnimation>([=] { update(); })
@@ -68,6 +70,10 @@ bool AbstractSingleMediaPreview::hasSpoiler() const {
 	return _spoiler != nullptr;
 }
 
+bool AbstractSingleMediaPreview::canHaveSpoiler() const {
+	return supportsSpoilers();
+}
+
 void AbstractSingleMediaPreview::preparePreview(QImage preview) {
 	auto maxW = 0;
 	auto maxH = 0;
@@ -149,7 +155,7 @@ void AbstractSingleMediaPreview::resizeEvent(QResizeEvent *e) {
 void AbstractSingleMediaPreview::paintEvent(QPaintEvent *e) {
 	auto p = QPainter(this);
 
-	auto takenSpoiler = (drawBackground() || _sendWay.sendImagesAsPhotos())
+	auto takenSpoiler = supportsSpoilers()
 		? nullptr
 		: base::take(_spoiler);
 	const auto guard = gsl::finally([&] {
@@ -251,7 +257,7 @@ void AbstractSingleMediaPreview::applyCursor(style::cursor cursor) {
 }
 
 void AbstractSingleMediaPreview::showContextMenu(QPoint position) {
-	if (!_sendWay.sendImagesAsPhotos()) {
+	if (!_sendWay.sendImagesAsPhotos() || !supportsSpoilers()) {
 		return;
 	}
 	_menu = base::make_unique_q<Ui::PopupMenu>(

Telegram/SourceFiles/ui/chat/attach/attach_abstract_single_media_preview.h

@@ -22,6 +22,7 @@ public:
 	~AbstractSingleMediaPreview();
 
 	void setSendWay(SendFilesWay way);
+	[[nodiscard]] SendFilesWay sendWay() const;
 
 	[[nodiscard]] rpl::producer<> deleteRequests() const override;
 	[[nodiscard]] rpl::producer<> editRequests() const override;
@@ -31,8 +32,10 @@ public:
 
 	void setSpoiler(bool spoiler);
 	[[nodiscard]] bool hasSpoiler() const;
+	[[nodiscard]] bool canHaveSpoiler() const;
 
 protected:
+	virtual bool supportsSpoilers() const = 0;
 	virtual bool drawBackground() const = 0;
 	virtual bool tryPaintAnimation(QPainter &p) = 0;
 	virtual bool isAnimatedPreviewReady() const = 0;

Telegram/SourceFiles/ui/chat/attach/attach_album_preview.cpp

@@ -77,6 +77,10 @@ base::flat_set<int> AlbumPreview::collectSpoileredIndices() {
 	return result;
 }
 
+bool AlbumPreview::canHaveSpoiler(int index) const {
+	return _sendWay.sendImagesAsPhotos();
+}
+
 std::vector<int> AlbumPreview::takeOrder() {
 	//Expects(_thumbs.size() == _order.size());
 	//Expects(_itemsShownDimensions.size() == _order.size());

Telegram/SourceFiles/ui/chat/attach/attach_album_preview.h

@@ -29,6 +29,7 @@ public:
 	void setSendWay(SendFilesWay way);
 
 	[[nodiscard]] base::flat_set<int> collectSpoileredIndices();
+	[[nodiscard]] bool canHaveSpoiler(int index) const;
 	[[nodiscard]] std::vector<int> takeOrder();
 
 	[[nodiscard]] rpl::producer<int> thumbDeleted() const {

Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.cpp

@@ -190,6 +190,10 @@ void ItemSingleMediaPreview::startStreamedPlayer() {
 	_streamed->play(options);
 }
 
+bool ItemSingleMediaPreview::supportsSpoilers() const {
+	return false; // We are not allowed to change existing spoiler setting.
+}
+
 bool ItemSingleMediaPreview::drawBackground() const {
 	return true; // A sticker can't be here.
 }

Telegram/SourceFiles/ui/chat/attach/attach_item_single_media_preview.h

@@ -39,6 +39,7 @@ public:
 	std::shared_ptr<::Data::PhotoMedia> sharedPhotoMedia() const;
 
 protected:
+	bool supportsSpoilers() const override;
 	bool drawBackground() const override;
 	bool tryPaintAnimation(QPainter &p) override;
 	bool isAnimatedPreviewReady() const override;

Telegram/SourceFiles/ui/chat/attach/attach_single_media_preview.cpp

@@ -72,6 +72,10 @@ SingleMediaPreview::SingleMediaPreview(
 	setSpoiler(spoiler);
 }
 
+bool SingleMediaPreview::supportsSpoilers() const {
+	return !_sticker || sendWay().sendImagesAsPhotos();
+}
+
 bool SingleMediaPreview::drawBackground() const {
 	return !_sticker;
 }

Telegram/SourceFiles/ui/chat/attach/attach_single_media_preview.h

@@ -37,6 +37,7 @@ public:
 		AttachControls::Type type);
 
 protected:
+	bool supportsSpoilers() const override;
 	bool drawBackground() const override;
 	bool tryPaintAnimation(QPainter &p) override;
 	bool isAnimatedPreviewReady() const override;