From b4571b80d66fe66f7fd55fb3ef73456e6727ad46 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Tue, 27 Dec 2022 13:10:38 +0400
Subject: [PATCH] Show spoilers in shared media overview.

---
 .../info/media/info_media_list_widget.cpp     |  7 +-
 .../info/media/info_media_provider.cpp        | 12 +++-
 .../SourceFiles/layout/abstract_layout_item.h |  4 +-
 .../SourceFiles/overview/overview_layout.cpp  | 71 +++++++++++++++----
 .../SourceFiles/overview/overview_layout.h    | 23 +++++-
 5 files changed, 95 insertions(+), 22 deletions(-)

diff --git a/Telegram/SourceFiles/info/media/info_media_list_widget.cpp b/Telegram/SourceFiles/info/media/info_media_list_widget.cpp
index ffce0bb004..48e00a41b2 100644
--- a/Telegram/SourceFiles/info/media/info_media_list_widget.cpp
+++ b/Telegram/SourceFiles/info/media/info_media_list_widget.cpp
@@ -761,8 +761,11 @@ void ListWidget::paintEvent(QPaintEvent *e) {
 	auto tillSectionIt = findSectionAfterBottom(
 		fromSectionIt,
 		clip.y() + clip.height());
-	auto context = ListContext {
-		Overview::Layout::PaintContext(ms, hasSelectedItems()),
+	const auto window = _controller->parentController();
+	const auto paused = window->isGifPausedAtLeastFor(
+		Window::GifPauseReason::Layer);
+	auto context = ListContext{
+		Overview::Layout::PaintContext(ms, hasSelectedItems(), paused),
 		&_selected,
 		&_dragSelected,
 		_dragSelectAction
diff --git a/Telegram/SourceFiles/info/media/info_media_provider.cpp b/Telegram/SourceFiles/info/media/info_media_provider.cpp
index 6d17213d17..f2d8dcde78 100644
--- a/Telegram/SourceFiles/info/media/info_media_provider.cpp
+++ b/Telegram/SourceFiles/info/media/info_media_provider.cpp
@@ -416,18 +416,24 @@ std::unique_ptr<BaseLayout> Provider::createLayout(
 		return nullptr;
 	};
 	const auto getFile = [&]() -> DocumentData* {
-		if (auto media = item->media()) {
+		if (const auto media = item->media()) {
 			return media->document();
 		}
 		return nullptr;
 	};
+	const auto spoiler = [&] {
+		if (const auto media = item->media()) {
+			return media->hasSpoiler();
+		}
+		return false;
+	};
 
 	const auto &songSt = st::overviewFileLayout;
 	using namespace Overview::Layout;
 	switch (type) {
 	case Type::Photo:
 		if (const auto photo = getPhoto()) {
-			return std::make_unique<Photo>(delegate, item, photo);
+			return std::make_unique<Photo>(delegate, item, photo, spoiler());
 		}
 		return nullptr;
 	case Type::GIF:
@@ -437,7 +443,7 @@ std::unique_ptr<BaseLayout> Provider::createLayout(
 		return nullptr;
 	case Type::Video:
 		if (const auto file = getFile()) {
-			return std::make_unique<Video>(delegate, item, file);
+			return std::make_unique<Video>(delegate, item, file, spoiler());
 		}
 		return nullptr;
 	case Type::File:
diff --git a/Telegram/SourceFiles/layout/abstract_layout_item.h b/Telegram/SourceFiles/layout/abstract_layout_item.h
index 1e5125cc93..d50b619ccf 100644
--- a/Telegram/SourceFiles/layout/abstract_layout_item.h
+++ b/Telegram/SourceFiles/layout/abstract_layout_item.h
@@ -16,8 +16,8 @@ public:
 	: ms(ms)
 	, selecting(selecting) {
 	}
-	crl::time ms;
-	bool selecting;
+	crl::time ms = 0;
+	bool selecting = false;
 
 };
 
diff --git a/Telegram/SourceFiles/overview/overview_layout.cpp b/Telegram/SourceFiles/overview/overview_layout.cpp
index 64412a4f0d..57dff2ef23 100644
--- a/Telegram/SourceFiles/overview/overview_layout.cpp
+++ b/Telegram/SourceFiles/overview/overview_layout.cpp
@@ -40,6 +40,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/media/history_view_document.h" // DrawThumbnailAsSongCover
 #include "base/unixtime.h"
 #include "ui/effects/round_checkbox.h"
+#include "ui/effects/spoiler_mess.h"
 #include "ui/image/image.h"
 #include "ui/text/format_song_document_name.h"
 #include "ui/text/format_values.h"
@@ -201,6 +202,7 @@ void RadialProgressItem::setDocumentLinks(
 		std::make_shared<DocumentOpenClickHandler>(
 			document,
 			crl::guard(this, [=](FullMsgId id) {
+				clearSpoiler();
 				delegate()->openDocument(document, id, forceOpen);
 			}),
 			context),
@@ -294,13 +296,20 @@ void StatusText::setSize(int64 newSize) {
 Photo::Photo(
 	not_null<Delegate*> delegate,
 	not_null<HistoryItem*> parent,
-	not_null<PhotoData*> photo)
+	not_null<PhotoData*> photo,
+	bool spoiler)
 : ItemBase(delegate, parent)
 , _data(photo)
 , _link(std::make_shared<PhotoOpenClickHandler>(
 	photo,
-	crl::guard(this, [=](FullMsgId id) { delegate->openPhoto(photo, id); }),
-	parent->fullId())) {
+	crl::guard(this, [=](FullMsgId id) {
+		clearSpoiler();
+		delegate->openPhoto(photo, id);
+	}),
+	parent->fullId()))
+, _spoiler(spoiler ? std::make_unique<Ui::SpoilerAnimation>([=] {
+	delegate->repaintItem(this);
+}) : nullptr) {
 	if (_data->inlineThumbnailBytes().isEmpty()
 		&& (_data->hasExact(Data::PhotoSize::Small)
 			|| _data->hasExact(Data::PhotoSize::Thumbnail))) {
@@ -327,8 +336,9 @@ void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const
 	const auto widthChanged = _pix.width() != _width * cIntRetinaFactor();
 	if (!_goodLoaded || widthChanged) {
 		ensureDataMediaCreated();
-		const auto good = _dataMedia->loaded()
-			|| (_dataMedia->image(Data::PhotoSize::Thumbnail) != nullptr);
+		const auto good = !_spoiler
+			&& (_dataMedia->loaded()
+				|| _dataMedia->image(Data::PhotoSize::Thumbnail));
 		if ((good && !_goodLoaded) || widthChanged) {
 			_goodLoaded = good;
 			_pix = QPixmap();
@@ -336,8 +346,9 @@ void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const
 				setPixFrom(_dataMedia->image(Data::PhotoSize::Large)
 					? _dataMedia->image(Data::PhotoSize::Large)
 					: _dataMedia->image(Data::PhotoSize::Thumbnail));
-			} else if (const auto small = _dataMedia->image(
-					Data::PhotoSize::Small)) {
+			} else if (const auto small = _spoiler
+				? nullptr
+				: _dataMedia->image(Data::PhotoSize::Small)) {
 				setPixFrom(small);
 			} else if (const auto blurred = _dataMedia->thumbnailInline()) {
 				setPixFrom(blurred);
@@ -351,6 +362,14 @@ void Photo::paint(Painter &p, const QRect &clip, TextSelection selection, const
 		p.drawPixmap(0, 0, _pix);
 	}
 
+	if (_spoiler) {
+		Ui::FillSpoilerRect(
+			p,
+			QRect(0, 0, _width, _height),
+			Ui::DefaultImageSpoiler().frame(
+				_spoiler->index(context->ms, context->paused)));
+	}
+
 	if (selected) {
 		p.fillRect(0, 0, _width, _height, st::overviewPhotoSelectOverlay);
 	}
@@ -399,6 +418,14 @@ void Photo::ensureDataMediaCreated() const {
 	delegate()->registerHeavyItem(this);
 }
 
+void Photo::clearSpoiler() {
+	if (_spoiler) {
+		_spoiler = nullptr;
+		_pix = QPixmap();
+		delegate()->repaintItem(this);
+	}
+}
+
 void Photo::clearHeavyPart() {
 	_dataMedia = nullptr;
 }
@@ -415,10 +442,14 @@ TextState Photo::getState(
 Video::Video(
 	not_null<Delegate*> delegate,
 	not_null<HistoryItem*> parent,
-	not_null<DocumentData*> video)
+	not_null<DocumentData*> video,
+	bool spoiler)
 : RadialProgressItem(delegate, parent)
 , _data(video)
-, _duration(Ui::FormatDurationText(_data->getDuration())) {
+, _duration(Ui::FormatDurationText(_data->getDuration()))
+, _spoiler(spoiler ? std::make_unique<Ui::SpoilerAnimation>([=] {
+	delegate->repaintItem(this);
+}) : nullptr) {
 	setDocumentLinks(_data);
 	_data->loadThumbnail(parent->fullId());
 }
@@ -441,8 +472,8 @@ void Video::paint(Painter &p, const QRect &clip, TextSelection selection, const
 
 	const auto selected = (selection == FullSelection);
 	const auto blurred = _dataMedia->thumbnailInline();
-	const auto thumbnail = _dataMedia->thumbnail();
-	const auto good = _dataMedia->goodThumbnail();
+	const auto thumbnail = _spoiler ? nullptr : _dataMedia->thumbnail();
+	const auto good = _spoiler ? nullptr : _dataMedia->goodThumbnail();
 
 	bool loaded = dataLoaded(), displayLoading = _data->displayLoading();
 	if (displayLoading) {
@@ -485,6 +516,14 @@ void Video::paint(Painter &p, const QRect &clip, TextSelection selection, const
 		p.drawPixmap(0, 0, _pix);
 	}
 
+	if (_spoiler) {
+		Ui::FillSpoilerRect(
+			p,
+			QRect(0, 0, _width, _height),
+			Ui::DefaultImageSpoiler().frame(
+				_spoiler->index(context->ms, context->paused)));
+	}
+
 	if (selected) {
 		p.fillRect(QRect(0, 0, _width, _height), st::overviewPhotoSelectOverlay);
 	}
@@ -554,6 +593,14 @@ void Video::ensureDataMediaCreated() const {
 	delegate()->registerHeavyItem(this);
 }
 
+void Video::clearSpoiler() {
+	if (_spoiler) {
+		_spoiler = nullptr;
+		_pix = QPixmap();
+		delegate()->repaintItem(this);
+	}
+}
+
 void Video::clearHeavyPart() {
 	_dataMedia = nullptr;
 }
@@ -2060,7 +2107,7 @@ void Gif::paint(
 		const auto pixmap = _gif->current({
 			.frame = frame,
 			.outer = r.size(),
-		}, /*context->paused ? 0 : */context->ms);
+		}, context->paused ? 0 : context->ms);
 		if (_thumb.isNull()) {
 			_thumb = pixmap;
 			_thumbGood = true;
diff --git a/Telegram/SourceFiles/overview/overview_layout.h b/Telegram/SourceFiles/overview/overview_layout.h
index 83092341e5..e49dcc8131 100644
--- a/Telegram/SourceFiles/overview/overview_layout.h
+++ b/Telegram/SourceFiles/overview/overview_layout.h
@@ -27,6 +27,10 @@ class PhotoMedia;
 class DocumentMedia;
 } // namespace Data
 
+namespace Ui {
+class SpoilerAnimation;
+} // namespace Ui
+
 namespace Overview {
 namespace Layout {
 
@@ -36,9 +40,12 @@ class Delegate;
 
 class PaintContext : public PaintContextBase {
 public:
-	PaintContext(crl::time ms, bool selecting) : PaintContextBase(ms, selecting) {
+	PaintContext(crl::time ms, bool selecting, bool paused)
+	: PaintContextBase(ms, selecting)
+	, paused(paused) {
 	}
 	bool skipBorder = false;
+	bool paused = false;
 
 };
 
@@ -102,6 +109,9 @@ public:
 
 	void clickHandlerActiveChanged(const ClickHandlerPtr &action, bool active) override;
 
+	virtual void clearSpoiler() {
+	}
+
 	~RadialProgressItem();
 
 protected:
@@ -178,7 +188,8 @@ public:
 	Photo(
 		not_null<Delegate*> delegate,
 		not_null<HistoryItem*> parent,
-		not_null<PhotoData*> photo);
+		not_null<PhotoData*> photo,
+		bool spoiler);
 
 	void initDimensions() override;
 	int32 resizeGetHeight(int32 width) override;
@@ -192,10 +203,12 @@ public:
 private:
 	void ensureDataMediaCreated() const;
 	void setPixFrom(not_null<Image*> image);
+	void clearSpoiler();
 
 	const not_null<PhotoData*> _data;
 	mutable std::shared_ptr<Data::PhotoMedia> _dataMedia;
 	ClickHandlerPtr _link;
+	std::unique_ptr<Ui::SpoilerAnimation> _spoiler;
 
 	QPixmap _pix;
 	bool _goodLoaded = false;
@@ -265,7 +278,8 @@ public:
 	Video(
 		not_null<Delegate*> delegate,
 		not_null<HistoryItem*> parent,
-		not_null<DocumentData*> video);
+		not_null<DocumentData*> video,
+		bool spoiler);
 	~Video();
 
 	void initDimensions() override;
@@ -276,6 +290,7 @@ public:
 		StateRequest request) const override;
 
 	void clearHeavyPart() override;
+	void clearSpoiler() override;
 
 protected:
 	float64 dataProgress() const override;
@@ -292,6 +307,8 @@ private:
 	StatusText _status;
 
 	QString _duration;
+	std::unique_ptr<Ui::SpoilerAnimation> _spoiler;
+
 	QPixmap _pix;
 	bool _pixBlurred = true;