tdesktop/Telegram/SourceFiles/storage/storage_media_prepare.cpp

375 lines
10 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "storage/storage_media_prepare.h"
#include "editor/photo_editor_common.h"
#include "platform/platform_file_utilities.h"
#include "lang/lang_keys.h"
#include "storage/localimageloader.h"
#include "core/mime_type.h"
#include "ui/image/image_prepare.h"
#include "ui/chat/attach/attach_prepare.h"
#include "core/crash_reports.h"
#include <QtCore/QSemaphore>
#include <QtCore/QMimeData>
namespace Storage {
namespace {
using Ui::PreparedFileInformation;
using Ui::PreparedFile;
using Ui::PreparedList;
using Image = PreparedFileInformation::Image;
bool ValidPhotoForAlbum(
const Image &image,
const QString &mime) {
Expects(!image.data.isNull());
if (image.animated
|| (!mime.isEmpty() && !mime.startsWith(u"image/"))) {
return false;
}
const auto width = image.data.width();
const auto height = image.data.height();
return Ui::ValidateThumbDimensions(width, height);
}
bool ValidVideoForAlbum(const PreparedFileInformation::Video &video) {
const auto width = video.thumbnail.width();
const auto height = video.thumbnail.height();
return Ui::ValidateThumbDimensions(width, height);
}
QSize PrepareShownDimensions(const QImage &preview, int sideLimit) {
const auto result = preview.size();
return (result.width() > sideLimit || result.height() > sideLimit)
? result.scaled(sideLimit, sideLimit, Qt::KeepAspectRatio)
: result;
}
void PrepareDetailsInParallel(PreparedList &result, int previewWidth) {
Expects(result.files.size() <= Ui::MaxAlbumItems());
if (result.files.empty()) {
return;
}
const auto sideLimit = PhotoSideLimit(); // Get on main thread.
QSemaphore semaphore;
for (auto &file : result.files) {
crl::async([=, &semaphore, &file] {
PrepareDetails(file, previewWidth, sideLimit);
semaphore.release();
});
}
semaphore.acquire(result.files.size());
}
} // namespace
bool ValidatePhotoEditorMediaDragData(not_null<const QMimeData*> data) {
const auto urls = Core::ReadMimeUrls(data);
if (urls.size() > 1) {
return false;
} else if (data->hasImage()) {
return true;
}
if (!urls.isEmpty()) {
const auto url = urls.front();
if (url.isLocalFile()) {
using namespace Core;
const auto file = Platform::File::UrlToLocal(url);
const auto info = QFileInfo(file);
return FileIsImage(file, MimeTypeForFile(info).name())
&& QImageReader(file).canRead();
}
}
return false;
}
bool ValidateEditMediaDragData(
not_null<const QMimeData*> data,
Ui::AlbumType albumType) {
const auto urls = Core::ReadMimeUrls(data);
if (urls.size() > 1) {
return false;
} else if (data->hasImage()) {
return (albumType != Ui::AlbumType::Music);
}
if (albumType == Ui::AlbumType::PhotoVideo && !urls.isEmpty()) {
const auto url = urls.front();
if (url.isLocalFile()) {
using namespace Core;
const auto info = QFileInfo(Platform::File::UrlToLocal(url));
return IsMimeAcceptedForPhotoVideoAlbum(MimeTypeForFile(info).name());
}
}
return true;
}
MimeDataState ComputeMimeDataState(const QMimeData *data) {
if (!data || data->hasFormat(u"application/x-td-forward"_q)) {
return MimeDataState::None;
}
if (data->hasImage()) {
return MimeDataState::Image;
}
const auto urls = Core::ReadMimeUrls(data);
if (urls.isEmpty()) {
return MimeDataState::None;
}
auto allAreSmallImages = true;
for (const auto &url : urls) {
if (!url.isLocalFile()) {
return MimeDataState::None;
}
const auto file = Platform::File::UrlToLocal(url);
const auto info = QFileInfo(file);
if (info.isDir()) {
return MimeDataState::None;
}
using namespace Core;
const auto filesize = info.size();
if (filesize > kFileSizePremiumLimit) {
return MimeDataState::None;
//} else if (filesize > kFileSizeLimit) {
// return MimeDataState::PremiumFile;
} else if (allAreSmallImages) {
if (filesize > Images::kReadBytesLimit) {
allAreSmallImages = false;
} else if (!FileIsImage(file, MimeTypeForFile(info).name())
|| !QImageReader(file).canRead()) {
allAreSmallImages = false;
}
}
}
return allAreSmallImages
? MimeDataState::PhotoFiles
: MimeDataState::Files;
}
PreparedList PrepareMediaList(
const QList<QUrl> &files,
int previewWidth,
bool premium) {
auto locals = QStringList();
locals.reserve(files.size());
for (const auto &url : files) {
if (!url.isLocalFile()) {
return {
PreparedList::Error::NonLocalUrl,
url.toDisplayString()
};
}
locals.push_back(Platform::File::UrlToLocal(url));
}
return PrepareMediaList(locals, previewWidth, premium);
}
PreparedList PrepareMediaList(
const QStringList &files,
int previewWidth,
bool premium) {
auto result = PreparedList();
result.files.reserve(files.size());
for (const auto &file : files) {
const auto fileinfo = QFileInfo(file);
const auto filesize = fileinfo.size();
if (fileinfo.isDir()) {
return {
PreparedList::Error::Directory,
file
};
} else if (filesize <= 0) {
return {
PreparedList::Error::EmptyFile,
file
};
} else if (filesize > kFileSizePremiumLimit
|| (filesize > kFileSizeLimit && !premium)) {
auto errorResult = PreparedList(
PreparedList::Error::TooLargeFile,
QString());
errorResult.files.emplace_back(file);
errorResult.files.back().size = filesize;
return errorResult;
}
if (result.files.size() < Ui::MaxAlbumItems()) {
result.files.emplace_back(file);
result.files.back().size = filesize;
} else {
result.filesToProcess.emplace_back(file);
result.files.back().size = filesize;
}
}
PrepareDetailsInParallel(result, previewWidth);
return result;
}
PreparedList PrepareMediaFromImage(
QImage &&image,
QByteArray &&content,
int previewWidth) {
Expects(!image.isNull());
auto result = PreparedList();
auto file = PreparedFile(QString());
file.content = content;
if (file.content.isEmpty()) {
file.information = std::make_unique<PreparedFileInformation>();
const auto animated = false;
FileLoadTask::FillImageInformation(
std::move(image),
animated,
file.information);
}
result.files.push_back(std::move(file));
PrepareDetailsInParallel(result, previewWidth);
return result;
}
std::optional<PreparedList> PreparedFileFromFilesDialog(
FileDialog::OpenResult &&result,
Fn<bool(const Ui::PreparedList&)> checkResult,
Fn<void(tr::phrase<>)> errorCallback,
int previewWidth,
bool premium) {
if (result.paths.isEmpty() && result.remoteContent.isEmpty()) {
return std::nullopt;
}
auto list = result.remoteContent.isEmpty()
? PrepareMediaList(result.paths, previewWidth, premium)
: PrepareMediaFromImage(
QImage(),
std::move(result.remoteContent),
previewWidth);
if (list.error != PreparedList::Error::None) {
errorCallback(tr::lng_send_media_invalid_files);
return std::nullopt;
} else if (!checkResult(list)) {
return std::nullopt;
} else {
return list;
}
}
void PrepareDetails(PreparedFile &file, int previewWidth, int sideLimit) {
if (!file.path.isEmpty()) {
file.information = FileLoadTask::ReadMediaInformation(
file.path,
QByteArray(),
Core::MimeTypeForFile(QFileInfo(file.path)).name());
} else if (!file.content.isEmpty()) {
file.information = FileLoadTask::ReadMediaInformation(
QString(),
file.content,
Core::MimeTypeForData(file.content).name());
} else {
Assert(file.information != nullptr);
}
using Video = PreparedFileInformation::Video;
using Song = PreparedFileInformation::Song;
if (const auto image = std::get_if<Image>(
&file.information->media)) {
Assert(!image->data.isNull());
if (ValidPhotoForAlbum(*image, file.information->filemime)) {
UpdateImageDetails(file, previewWidth, sideLimit);
file.type = PreparedFile::Type::Photo;
} else if (image->animated) {
file.type = PreparedFile::Type::None;
}
} else if (const auto video = std::get_if<Video>(
&file.information->media)) {
if (ValidVideoForAlbum(*video)) {
auto blurred = Images::Blur(
Images::Opaque(base::duplicate(video->thumbnail)));
file.originalDimensions = video->thumbnail.size();
file.shownDimensions = PrepareShownDimensions(
video->thumbnail,
sideLimit);
file.preview = std::move(blurred).scaledToWidth(
previewWidth * style::DevicePixelRatio(),
Qt::SmoothTransformation);
Assert(!file.preview.isNull());
file.preview.setDevicePixelRatio(style::DevicePixelRatio());
file.type = PreparedFile::Type::Video;
}
} else if (const auto song = std::get_if<Song>(&file.information->media)) {
file.type = PreparedFile::Type::Music;
}
}
void UpdateImageDetails(
PreparedFile &file,
int previewWidth,
int sideLimit) {
const auto image = std::get_if<Image>(&file.information->media);
if (!image) {
return;
}
Assert(!image->data.isNull());
auto preview = image->modifications
? Editor::ImageModified(image->data, image->modifications)
: image->data;
Assert(!preview.isNull());
file.originalDimensions = preview.size();
file.shownDimensions = PrepareShownDimensions(preview, sideLimit);
const auto toWidth = std::min(
previewWidth,
style::ConvertScale(preview.width())
) * style::DevicePixelRatio();
auto scaled = preview.scaledToWidth(
toWidth,
Qt::SmoothTransformation);
if (scaled.isNull()) {
CrashReports::SetAnnotation("Info", QString("%1x%2:%3*%4->%5;%6x%7"
).arg(preview.width()).arg(preview.height()
).arg(previewWidth).arg(style::DevicePixelRatio()
).arg(toWidth
).arg(scaled.width()).arg(scaled.height()));
Unexpected("Scaled is null.");
}
Assert(!scaled.isNull());
file.preview = Images::Opaque(std::move(scaled));
Assert(!file.preview.isNull());
file.preview.setDevicePixelRatio(style::DevicePixelRatio());
}
bool ApplyModifications(PreparedList &list) {
auto applied = false;
for (auto &file : list.files) {
const auto image = std::get_if<Image>(&file.information->media);
if (!image || !image->modifications) {
continue;
}
applied = true;
file.path = QString();
file.content = QByteArray();
image->data = Editor::ImageModified(
std::move(image->data),
image->modifications);
}
return applied;
}
} // namespace Storage