tdesktop/Telegram/SourceFiles/data/data_reply_preview.cpp

111 lines
2.9 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 "data/data_reply_preview.h"
#include "data/data_file_origin.h"
#include "data/data_document.h"
#include "data/data_document_media.h"
#include "data/data_photo.h"
#include "data/data_photo_media.h"
#include "ui/image/image.h"
namespace Data {
ReplyPreview::ReplyPreview(not_null<DocumentData*> document)
: _document(document) {
}
ReplyPreview::ReplyPreview(not_null<PhotoData*> photo)
: _photo(photo) {
}
ReplyPreview::~ReplyPreview() = default;
void ReplyPreview::prepare(not_null<Image*> image, Images::Options options) {
if (image->isNull()) {
return;
}
int w = image->width(), h = image->height();
if (w <= 0) w = 1;
if (h <= 0) h = 1;
auto thumbSize = (w > h)
? QSize(
w * st::msgReplyBarSize.height() / h,
st::msgReplyBarSize.height())
: QSize(
st::msgReplyBarSize.height(),
h * st::msgReplyBarSize.height() / w);
thumbSize *= cIntRetinaFactor();
const auto prepareOptions = Images::Option::Smooth
| Images::Option::TransparentBackground
| options;
auto outerSize = st::msgReplyBarSize.height();
auto bitmap = image->pixNoCache(
thumbSize.width(),
thumbSize.height(),
prepareOptions,
outerSize,
outerSize);
_image = std::make_unique<Image>(bitmap.toImage());
_good = ((options & Images::Option::Blurred) == 0);
}
Image *ReplyPreview::image(Data::FileOrigin origin) {
if (_checked) {
return _image.get();
}
if (_document) {
if (!_image || (!_good && _document->hasThumbnail())) {
if (!_documentMedia) {
_documentMedia = _document->createMediaView();
_documentMedia->thumbnailWanted(origin);
}
const auto thumbnail = _documentMedia->thumbnail();
const auto option = _document->isVideoMessage()
? Images::Option::Circled
: Images::Option::None;
if (thumbnail) {
prepare(thumbnail, option);
} else if (!_image) {
if (const auto image = _documentMedia->thumbnailInline()) {
prepare(image, option | Images::Option::Blurred);
}
}
if (_good || !_document->hasThumbnail()) {
_checked = true;
_documentMedia = nullptr;
}
}
} else {
Assert(_photo != nullptr);
if (!_image || !_good) {
if (!_photoMedia) {
_photoMedia = _photo->createMediaView();
_photoMedia->wanted(PhotoSize::Small, origin);
}
if (const auto small = _photoMedia->image(PhotoSize::Small)) {
prepare(small, Images::Option(0));
} else if (const auto large = _photoMedia->image(
PhotoSize::Large)) {
prepare(large, Images::Option(0));
} else if (!_image) {
if (const auto blurred = _photoMedia->thumbnailInline()) {
prepare(blurred, Images::Option::Blurred);
}
}
if (_good) {
_checked = true;
_photoMedia = nullptr;
}
}
}
return _image.get();
}
} // namespace Data