300 lines
8.2 KiB
C++
300 lines
8.2 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "storage/storage_media_prepare.h"
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#include "platform/platform_file_utilities.h"
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#include "storage/localimageloader.h"
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#include "core/mime_type.h"
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#include "ui/image/image_prepare.h"
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#include "ui/chat/attach/attach_extensions.h"
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#include "ui/chat/attach/attach_prepare.h"
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#include "app.h"
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#include <QtCore/QSemaphore>
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#include <QtCore/QMimeData>
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namespace Storage {
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namespace {
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using Ui::PreparedFileInformation;
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using Ui::PreparedFile;
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using Ui::PreparedList;
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bool HasExtensionFrom(const QString &file, const QStringList &extensions) {
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for (const auto &extension : extensions) {
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const auto ext = file.right(extension.size());
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if (ext.compare(extension, Qt::CaseInsensitive) == 0) {
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return true;
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}
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}
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return false;
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}
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bool ValidPhotoForAlbum(
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const PreparedFileInformation::Image &image,
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const QString &mime) {
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if (image.animated
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|| Core::IsMimeSticker(mime)
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|| (!mime.isEmpty() && !mime.startsWith(u"image/"))) {
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return false;
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}
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const auto width = image.data.width();
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const auto height = image.data.height();
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return Ui::ValidateThumbDimensions(width, height);
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}
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bool ValidVideoForAlbum(const PreparedFileInformation::Video &video) {
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const auto width = video.thumbnail.width();
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const auto height = video.thumbnail.height();
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return Ui::ValidateThumbDimensions(width, height);
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}
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QSize PrepareShownDimensions(const QImage &preview) {
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constexpr auto kMaxWidth = 1280;
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constexpr auto kMaxHeight = 1280;
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const auto result = preview.size();
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return (result.width() > kMaxWidth || result.height() > kMaxHeight)
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? result.scaled(kMaxWidth, kMaxHeight, Qt::KeepAspectRatio)
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: result;
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}
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void PrepareDetailsInParallel(PreparedList &result, int previewWidth) {
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Expects(result.files.size() <= Ui::MaxAlbumItems());
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if (result.files.empty()) {
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return;
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}
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QSemaphore semaphore;
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for (auto &file : result.files) {
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crl::async([=, &semaphore, &file] {
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PrepareDetails(file, previewWidth);
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semaphore.release();
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});
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}
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semaphore.acquire(result.files.size());
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}
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} // namespace
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bool ValidateEditMediaDragData(
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not_null<const QMimeData*> data,
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Ui::AlbumType albumType) {
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if (data->urls().size() > 1) {
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return false;
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} else if (data->hasImage()) {
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return (albumType != Ui::AlbumType::Music);
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}
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if (albumType == Ui::AlbumType::PhotoVideo && data->hasUrls()) {
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const auto url = data->urls().front();
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if (url.isLocalFile()) {
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using namespace Core;
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const auto info = QFileInfo(Platform::File::UrlToLocal(url));
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return IsMimeAcceptedForPhotoVideoAlbum(MimeTypeForFile(info).name());
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}
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}
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return true;
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}
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MimeDataState ComputeMimeDataState(const QMimeData *data) {
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if (!data || data->hasFormat(qsl("application/x-td-forward"))) {
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return MimeDataState::None;
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}
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if (data->hasImage()) {
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return MimeDataState::Image;
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}
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const auto uriListFormat = qsl("text/uri-list");
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if (!data->hasFormat(uriListFormat)) {
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return MimeDataState::None;
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}
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const auto &urls = data->urls();
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if (urls.isEmpty()) {
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return MimeDataState::None;
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}
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const auto imageExtensions = Ui::ImageExtensions();
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auto files = QStringList();
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auto allAreSmallImages = true;
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for (const auto &url : urls) {
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if (!url.isLocalFile()) {
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return MimeDataState::None;
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}
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const auto file = Platform::File::UrlToLocal(url);
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const auto info = QFileInfo(file);
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if (info.isDir()) {
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return MimeDataState::None;
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}
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const auto filesize = info.size();
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if (filesize > kFileSizeLimit) {
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return MimeDataState::None;
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} else if (allAreSmallImages) {
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if (filesize > App::kImageSizeLimit) {
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allAreSmallImages = false;
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} else if (!HasExtensionFrom(file, imageExtensions)) {
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allAreSmallImages = false;
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}
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}
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}
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return allAreSmallImages
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? MimeDataState::PhotoFiles
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: MimeDataState::Files;
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}
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PreparedList PrepareMediaList(const QList<QUrl> &files, int previewWidth) {
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auto locals = QStringList();
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locals.reserve(files.size());
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for (const auto &url : files) {
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if (!url.isLocalFile()) {
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return {
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PreparedList::Error::NonLocalUrl,
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url.toDisplayString()
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};
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}
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locals.push_back(Platform::File::UrlToLocal(url));
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}
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return PrepareMediaList(locals, previewWidth);
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}
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PreparedList PrepareMediaList(const QStringList &files, int previewWidth) {
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auto result = PreparedList();
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result.files.reserve(files.size());
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const auto extensionsToCompress = Ui::ExtensionsForCompression();
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for (const auto &file : files) {
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const auto fileinfo = QFileInfo(file);
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const auto filesize = fileinfo.size();
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if (fileinfo.isDir()) {
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return {
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PreparedList::Error::Directory,
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file
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};
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} else if (filesize <= 0) {
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return {
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PreparedList::Error::EmptyFile,
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file
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};
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} else if (filesize > kFileSizeLimit) {
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return {
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PreparedList::Error::TooLargeFile,
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file
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};
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}
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if (result.files.size() < Ui::MaxAlbumItems()) {
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result.files.emplace_back(file);
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result.files.back().size = filesize;
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} else {
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result.filesToProcess.emplace_back(file);
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result.files.back().size = filesize;
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}
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}
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PrepareDetailsInParallel(result, previewWidth);
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return result;
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}
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PreparedList PrepareMediaFromImage(
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QImage &&image,
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QByteArray &&content,
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int previewWidth) {
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auto result = PreparedList();
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auto file = PreparedFile(QString());
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file.content = content;
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if (file.content.isEmpty()) {
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file.information = std::make_unique<PreparedFileInformation>();
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const auto animated = false;
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FileLoadTask::FillImageInformation(
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std::move(image),
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animated,
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file.information);
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}
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result.files.push_back(std::move(file));
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PrepareDetailsInParallel(result, previewWidth);
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return result;
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}
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std::optional<PreparedList> PreparedFileFromFilesDialog(
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FileDialog::OpenResult &&result,
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Fn<bool(const Ui::PreparedList&)> checkResult,
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Fn<void(tr::phrase<>)> errorCallback,
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int previewWidth) {
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if (result.paths.isEmpty() && result.remoteContent.isEmpty()) {
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return std::nullopt;
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}
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auto list = result.remoteContent.isEmpty()
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? PrepareMediaList(result.paths, previewWidth)
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: PrepareMediaFromImage(
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QImage(),
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std::move(result.remoteContent),
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previewWidth);
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if (list.error != PreparedList::Error::None) {
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errorCallback(tr::lng_send_media_invalid_files);
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return std::nullopt;
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} else if (!checkResult(list)) {
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return std::nullopt;
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} else {
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return list;
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}
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}
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void PrepareDetails(PreparedFile &file, int previewWidth) {
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if (!file.path.isEmpty()) {
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file.information = FileLoadTask::ReadMediaInformation(
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file.path,
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QByteArray(),
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Core::MimeTypeForFile(QFileInfo(file.path)).name());
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} else if (!file.content.isEmpty()) {
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file.information = FileLoadTask::ReadMediaInformation(
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QString(),
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file.content,
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Core::MimeTypeForData(file.content).name());
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} else {
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Assert(file.information != nullptr);
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}
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using Image = PreparedFileInformation::Image;
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using Video = PreparedFileInformation::Video;
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using Song = PreparedFileInformation::Song;
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if (const auto image = std::get_if<Image>(
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&file.information->media)) {
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if (ValidPhotoForAlbum(*image, file.information->filemime)) {
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file.shownDimensions = PrepareShownDimensions(image->data);
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file.preview = Images::prepareOpaque(image->data.scaledToWidth(
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std::min(previewWidth, style::ConvertScale(image->data.width()))
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* cIntRetinaFactor(),
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Qt::SmoothTransformation));
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Assert(!file.preview.isNull());
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file.preview.setDevicePixelRatio(cRetinaFactor());
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file.type = PreparedFile::Type::Photo;
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} else if (Core::IsMimeSticker(file.information->filemime)) {
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file.type = PreparedFile::Type::None;
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}
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} else if (const auto video = std::get_if<Video>(
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&file.information->media)) {
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if (ValidVideoForAlbum(*video)) {
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auto blurred = Images::prepareBlur(Images::prepareOpaque(video->thumbnail));
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file.shownDimensions = PrepareShownDimensions(video->thumbnail);
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file.preview = std::move(blurred).scaledToWidth(
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previewWidth * cIntRetinaFactor(),
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Qt::SmoothTransformation);
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Assert(!file.preview.isNull());
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file.preview.setDevicePixelRatio(cRetinaFactor());
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file.type = PreparedFile::Type::Video;
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}
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} else if (const auto song = std::get_if<Song>(&file.information->media)) {
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file.type = PreparedFile::Type::Music;
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}
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}
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} // namespace Storage
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