Load non-streamable documents.

Telegram/Resources/iv_html/page.css

@@ -306,7 +306,7 @@ article ol aside {
 article blockquote cite,
 article aside cite,
 article footer cite,
-article .iv-pullquote cite {
+article .pullquote cite {
 	font-family: 'Helvetica Neue';
 	font-size: 15px;
 	display: block;
@@ -385,7 +385,7 @@ article table {
 article table.bordered,
 article table.bordered td,
 article table.bordered th {
-	border: 1px solid var(--td-box-divider-fg);
+	border: 1px solid var(--td-history-to-down-shadow);
 }
 article table.striped tr:nth-child(odd) td {
 	background-color: var(--td-box-divider-bg);
@@ -425,7 +425,7 @@ article details {
 article details:before {
 	content: '';
 	display: block;
-	border-bottom: 1px solid var(--td-box-divider-fg);
+	border-bottom: 1px solid var(--td-history-to-down-shadow);
 	position: absolute;
 	left: 18px;
 	right: 0;
@@ -818,6 +818,7 @@ section.embed-post small {
 	color: var(--td-window-sub-text-fg);
 }
 
+
 section.related {
 	margin: 7px 0 12px;
 }
@@ -842,7 +843,7 @@ section.related a.related-link {
 section.related a.related-link:after {
 	content: '';
 	display: block;
-	border-bottom: 1px solid var(--td-box-divider-fg);
+	border-bottom: 1px solid var(--td-history-to-down-shadow);
 	position: absolute;
 	left: 18px;
 	right: 0;
@@ -975,19 +976,19 @@ section.channel > a > h4 {
 	padding: 7px 18px;
 }
 
-.iv-pullquote {
+.pullquote {
 	text-align: center;
 	max-width: 420px;
 	font-size: 19px;
 	display: block;
 	margin: 0 auto;
 }
-.iv-photo-wrap {
+.photo-wrap {
 	width: 100%;
 	background-size: 100%;
 	margin: 0 auto;
 }
-.iv-photo {
+.photo {
 	background-size: 100%;
 }
 

Telegram/SourceFiles/data/data_document.cpp

@@ -772,7 +772,11 @@ Storage::Cache::Key DocumentData::bigFileBaseCacheKey() const {
 }
 
 void DocumentData::forceToCache(bool force) {
-	_flags |= Flag::ForceToCache;
+	if (force) {
+		_flags |= Flag::ForceToCache;
+	} else {
+		_flags &= ~Flag::ForceToCache;
+	}
 }
 
 bool DocumentData::saveToCache() const {

Telegram/SourceFiles/iv/iv_controller.cpp

@@ -482,18 +482,25 @@ void Controller::processKey(const QString &key, const QString &modifier) {
 void Controller::processLink(const QString &url, const QString &context) {
 	const auto channelPrefix = u"channel"_q;
 	const auto joinPrefix = u"join_link"_q;
+	const auto webpagePrefix = u"webpage"_q;
 	if (context.startsWith(channelPrefix)) {
 		_events.fire({
-			Event::Type::OpenChannel,
-			context.mid(channelPrefix.size()),
+			.type = Event::Type::OpenChannel,
+			.context = context.mid(channelPrefix.size()),
 		});
 	} else if (context.startsWith(joinPrefix)) {
 		_events.fire({
-			Event::Type::JoinChannel,
-			context.mid(joinPrefix.size()),
+			.type = Event::Type::JoinChannel,
+			.context = context.mid(joinPrefix.size()),
+		});
+	} else if (context.startsWith(webpagePrefix)) {
+		_events.fire({
+			.type = Event::Type::OpenPage,
+			.url = url,
+			.context = context.mid(webpagePrefix.size()),
 		});
 	} else if (context.isEmpty()) {
-		_events.fire({ Event::Type::OpenLink, url });
+		_events.fire({ .type = Event::Type::OpenLink, .url = url });
 	}
 }
 

Telegram/SourceFiles/iv/iv_controller.h

@@ -38,9 +38,11 @@ public:
 			Quit,
 			OpenChannel,
 			JoinChannel,
+			OpenPage,
 			OpenLink,
 		};
 		Type type = Type::Close;
+		QString url;
 		QString context;
 	};
 

Telegram/SourceFiles/iv/iv_instance.cpp

@@ -15,12 +15,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_channel.h"
 #include "data/data_cloud_file.h"
 #include "data/data_document.h"
+#include "data/data_document_media.h"
 #include "data/data_file_origin.h"
 #include "data/data_photo_media.h"
 #include "data/data_session.h"
+#include "data/data_web_page.h"
 #include "info/profile/info_profile_values.h"
 #include "iv/iv_controller.h"
 #include "iv/iv_data.h"
+#include "lottie/lottie_common.h" // Lottie::ReadContent.
 #include "main/main_account.h"
 #include "main/main_domain.h"
 #include "main/main_session.h"
@@ -97,13 +100,17 @@ private:
 		std::vector<bool> loaded;
 		int64 offset = 0;
 	};
-	struct FileLoad {
+	struct FileStream {
 		not_null<DocumentData*> document;
 		std::unique_ptr<Media::Streaming::Loader> loader;
 		std::vector<PartRequest> requests;
 		std::string mime;
 		rpl::lifetime lifetime;
 	};
+	struct FileLoad {
+		std::shared_ptr<::Data::DocumentMedia> media;
+		std::vector<Webview::DataRequest> requests;
+	};
 
 	void showLocal(Prepared result);
 	void showWindowed(Prepared result);
@@ -123,9 +130,9 @@ private:
 	// Windowed.
 	void streamPhoto(PhotoId photoId, Webview::DataRequest request);
 	void streamFile(DocumentId documentId, Webview::DataRequest request);
-	void streamFile(FileLoad &file, Webview::DataRequest request);
+	void streamFile(FileStream &file, Webview::DataRequest request);
 	void processPartInFile(
-		FileLoad &file,
+		FileStream &file,
 		Media::Streaming::LoadedPart &&part);
 	bool finishRequestWithPart(
 		PartRequest &request,
@@ -134,6 +141,9 @@ private:
 	void sendEmbed(QByteArray hash, Webview::DataRequest request);
 
 	void fillChannelJoinedValues(const Prepared &result);
+	void subscribeToDocuments();
+	[[nodiscard]] QByteArray readFile(
+		const std::shared_ptr<::Data::DocumentMedia> &media);
 	void requestDone(
 		Webview::DataRequest request,
 		QByteArray bytes,
@@ -146,6 +156,7 @@ private:
 	std::shared_ptr<Main::SessionShow> _show;
 	QString _id;
 	std::unique_ptr<Controller> _controller;
+	base::flat_map<DocumentId, FileStream> _streams;
 	base::flat_map<DocumentId, FileLoad> _files;
 	base::flat_map<QByteArray, rpl::producer<bool>> _inChannelValues;
 
@@ -157,6 +168,7 @@ private:
 
 	rpl::event_stream<Controller::Event> _events;
 
+	rpl::lifetime _documentLifetime;
 	rpl::lifetime _lifetime;
 
 };
@@ -461,20 +473,37 @@ void Shown::streamFile(
 		Webview::DataRequest request) {
 	using namespace Data;
 
-	const auto i = _files.find(documentId);
-	if (i != end(_files)) {
+	const auto i = _streams.find(documentId);
+	if (i != end(_streams)) {
 		streamFile(i->second, std::move(request));
 		return;
 	}
 	const auto document = _session->data().document(documentId);
 	auto loader = document->createStreamingLoader(FileOrigin(), false);
 	if (!loader) {
-		requestFail(std::move(request));
+		if (document->size >= Storage::kMaxFileInMemory) {
+			requestFail(std::move(request));
+		} else {
+			auto media = document->createMediaView();
+			if (const auto content = readFile(media); !content.isEmpty()) {
+				requestDone(
+					std::move(request),
+					content,
+					document->mimeString().toStdString());
+			} else {
+				subscribeToDocuments();
+				auto &file = _files[documentId];
+				file.media = std::move(media);
+				file.requests.push_back(std::move(request));
+				document->forceToCache(true);
+				document->save(::Data::FileOrigin(), QString());
+			}
+		}
 		return;
 	}
-	auto &file = _files.emplace(
+	auto &file = _streams.emplace(
 		documentId,
-		FileLoad{
+		FileStream{
 			.document = document,
 			.loader = std::move(loader),
 			.mime = document->mimeString().toStdString(),
@@ -482,15 +511,15 @@ void Shown::streamFile(
 
 	file.loader->parts(
 	) | rpl::start_with_next([=](Media::Streaming::LoadedPart &&part) {
-		const auto i = _files.find(documentId);
-		Assert(i != end(_files));
+		const auto i = _streams.find(documentId);
+		Assert(i != end(_streams));
 		processPartInFile(i->second, std::move(part));
 	}, file.lifetime);
 
 	streamFile(file, std::move(request));
 }
 
-void Shown::streamFile(FileLoad &file, Webview::DataRequest request) {
+void Shown::streamFile(FileStream &file, Webview::DataRequest request) {
 	constexpr auto kPart = Media::Streaming::Loader::kPartSize;
 	const auto size = file.document->size;
 	const auto last = int((size + kPart - 1) / kPart);
@@ -519,8 +548,44 @@ void Shown::streamFile(FileLoad &file, Webview::DataRequest request) {
 	}
 }
 
+void Shown::subscribeToDocuments() {
+	if (_documentLifetime) {
+		return;
+	}
+	_documentLifetime = _session->data().documentLoadProgress(
+	) | rpl::filter([=](not_null<DocumentData*> document) {
+		return !document->loading();
+	}) | rpl::start_with_next([=](not_null<DocumentData*> document) {
+		const auto i = _files.find(document->id);
+		if (i == end(_files)) {
+			return;
+		}
+		auto requests = base::take(i->second.requests);
+		const auto content = readFile(i->second.media);
+		_files.erase(i);
+
+		if (!content.isEmpty()) {
+			for (auto &request : requests) {
+				requestDone(
+					std::move(request),
+					content,
+					document->mimeString().toStdString());
+			}
+		} else {
+			for (auto &request : requests) {
+				requestFail(std::move(request));
+			}
+		}
+	});
+}
+
+QByteArray Shown::readFile(
+		const std::shared_ptr<::Data::DocumentMedia> &media) {
+	return Lottie::ReadContent(media->bytes(), media->owner()->filepath());
+}
+
 void Shown::processPartInFile(
-		FileLoad &file,
+		FileStream &file,
 		Media::Streaming::LoadedPart &&part) {
 	for (auto i = begin(file.requests); i != end(file.requests);) {
 		if (finishRequestWithPart(*i, part)) {
@@ -725,8 +790,26 @@ void Instance::show(
 		case Type::JoinChannel:
 			processJoinChannel(event.context);
 			break;
+		case Type::OpenPage:
 		case Type::OpenLink:
-			UrlClickHandler::Open(event.context);
+			_shownSession->api().request(MTPmessages_GetWebPage(
+				MTP_string(event.url),
+				MTP_int(0)
+			)).done([=](const MTPmessages_WebPage &result) {
+				_shownSession->data().processUsers(result.data().vusers());
+				_shownSession->data().processChats(result.data().vchats());
+				const auto page = _shownSession->data().processWebpage(
+					result.data().vwebpage());
+				if (page && page->iv) {
+					const auto parts = event.url.split('#');
+					const auto hash = (parts.size() > 1) ? parts[1] : u""_q;
+					this->show(show, page->iv.get(), hash);
+				} else {
+					UrlClickHandler::Open(event.url);
+				}
+			}).fail([=] {
+				UrlClickHandler::Open(event.url);
+			}).send();
 			break;
 		}
 	}, _shown->lifetime());

Telegram/SourceFiles/iv/iv_prepare.cpp

@@ -214,11 +214,11 @@ QByteArray Parser::block(const MTPDpageBlockUnsupported &data) {
 }
 
 QByteArray Parser::block(const MTPDpageBlockTitle &data) {
-	return tag("h1", { { "class", "iv-title" } }, rich(data.vtext()));
+	return tag("h1", { { "class", "title" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockSubtitle &data) {
-	return tag("h2", { { "class", "iv-subtitle" } }, rich(data.vtext()));
+	return tag("h2", { { "class", "subtitle" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockAuthorDate &data) {
@@ -232,11 +232,11 @@ QByteArray Parser::block(const MTPDpageBlockAuthorDate &data) {
 }
 
 QByteArray Parser::block(const MTPDpageBlockHeader &data) {
-	return tag("h3", { { "class", "iv-header" } }, rich(data.vtext()));
+	return tag("h3", { { "class", "header" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockSubheader &data) {
-	return tag("h4", { { "class", "iv-subheader" } }, rich(data.vtext()));
+	return tag("h4", { { "class", "subheader" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockParagraph &data) {
@@ -255,11 +255,11 @@ QByteArray Parser::block(const MTPDpageBlockPreformatted &data) {
 }
 
 QByteArray Parser::block(const MTPDpageBlockFooter &data) {
-	return tag("footer", { { "class", "iv-footer" } }, rich(data.vtext()));
+	return tag("footer", { { "class", "footer" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockDivider &data) {
-	return tag("hr", { { "class", "iv-divider" } });
+	return tag("hr", { { "class", "divider" } });
 }
 
 QByteArray Parser::block(const MTPDpageBlockAnchor &data) {
@@ -285,7 +285,7 @@ QByteArray Parser::block(const MTPDpageBlockPullquote &data) {
 		: tag("cite", caption);
 	return tag(
 		"div",
-		{ { "class", "iv-pullquote" } },
+		{ { "class", "pullquote" } },
 		rich(data.vtext()) + cite);
 }
 
@@ -313,11 +313,11 @@ QByteArray Parser::block(const MTPDpageBlockPhoto &data) {
 	const auto style = "background-image:url('" + src + "');"
 		"padding-top:" + QByteArray::number(paddingTopPercent) + "%";
 	const auto inner = tag("div", {
-		{ "class", "iv-photo" },
+		{ "class", "photo" },
 		{ "style", style } });
 	auto result = tag(
 		"div",
-		{ { "class", "iv-photo-wrap" }, { "style", wrapStyle } },
+		{ { "class", "photo-wrap" }, { "style", wrapStyle } },
 		inner);
 	if (const auto url = data.vurl()) {
 		result = tag("a", { { "href", utf(*url) } }, result);
@@ -552,7 +552,7 @@ QByteArray Parser::block(const MTPDpageBlockAudio &data) {
 }
 
 QByteArray Parser::block(const MTPDpageBlockKicker &data) {
-	return tag("h6", { { "class", "iv-kicker" } }, rich(data.vtext()));
+	return tag("h6", { { "class", "kicker" } }, rich(data.vtext()));
 }
 
 QByteArray Parser::block(const MTPDpageBlockTable &data) {
@@ -599,9 +599,9 @@ QByteArray Parser::block(const MTPDpageBlockRelatedArticles &data) {
 	}
 	auto title = rich(data.vtitle());
 	if (!title.isEmpty()) {
-		title = tag("h4", { { "class", "iv-related-title" } }, title);
+		title = tag("h4", { { "class", "related-title" } }, title);
 	}
-	return tag("section", { { "class", "iv-related" } }, title + result);
+	return tag("section", { { "class", "related" } }, title + result);
 }
 
 QByteArray Parser::block(const MTPDpageBlockMap &data) {