tdesktop/Telegram/SourceFiles/data/data_reply_preview.cpp

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/*
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"
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#include "data/data_photo_media.h"
#include "ui/image/image.h"
#include "styles/style_chat.h"
namespace Data {
ReplyPreview::ReplyPreview(not_null<DocumentData*> document)
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: _document(document) {
}
ReplyPreview::ReplyPreview(not_null<PhotoData*> photo)
: _photo(photo) {
}
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ReplyPreview::~ReplyPreview() = default;
void ReplyPreview::prepare(
not_null<Image*> image,
Images::Options options,
bool spoiler) {
using namespace Images;
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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 *= style::DevicePixelRatio();
options |= Option::TransparentBackground;
auto outerSize = st::msgReplyBarSize.height();
auto original = spoiler
? image->original().scaled(
{ 40, 40 },
Qt::KeepAspectRatio,
Qt::SmoothTransformation)
: image->original();
auto prepared = Prepare(std::move(original), thumbSize, {
.options = options | (spoiler ? Option::Blur : Option()),
.outer = { outerSize, outerSize },
});
(spoiler ? _spoilered : _regular) = std::make_unique<Image>(
std::move(prepared));
_good = spoiler || ((options & Option::Blur) == 0);
}
Image *ReplyPreview::image(
Data::FileOrigin origin,
not_null<PeerData*> context,
bool spoiler) {
auto &image = spoiler ? _spoilered : _regular;
auto &checked = spoiler ? _checkedSpoilered : _checkedRegular;
if (checked) {
return image.get();
} else if (_document) {
if (!image || (!_good && _document->hasThumbnail())) {
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if (!_documentMedia) {
_documentMedia = _document->createMediaView();
_documentMedia->thumbnailWanted(origin);
}
const auto thumbnail = _documentMedia->thumbnail();
const auto option = _document->isVideoMessage()
? Images::Option::RoundCircle
: Images::Option::None;
if (spoiler) {
if (const auto image = _documentMedia->thumbnailInline()) {
prepare(image, option, true);
} else if (thumbnail) {
prepare(thumbnail, option, true);
}
} else if (thumbnail) {
prepare(thumbnail, option);
} else if (!image) {
if (const auto image = _documentMedia->thumbnailInline()) {
prepare(image, option | Images::Option::Blur);
}
}
if (_good || !_document->hasThumbnail()) {
checked = true;
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_documentMedia = nullptr;
}
}
} else {
Assert(_photo != nullptr);
if (!image || !_good) {
const auto inlineThumbnailBytes = _photo->inlineThumbnailBytes();
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if (!_photoMedia) {
_photoMedia = _photo->createMediaView();
}
using Size = PhotoSize;
const auto loadThumbnail = inlineThumbnailBytes.isEmpty()
|| (!spoiler
&& _photoMedia->autoLoadThumbnailAllowed(context));
if (loadThumbnail) {
_photoMedia->wanted(Size::Small, origin);
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}
if (spoiler) {
if (const auto blurred = _photoMedia->thumbnailInline()) {
prepare(blurred, {}, true);
} else if (const auto small = _photoMedia->image(Size::Small)) {
prepare(small, {}, true);
} else if (const auto large = _photoMedia->image(Size::Large)) {
prepare(large, {}, true);
}
} else if (const auto small = _photoMedia->image(Size::Small)) {
prepare(small, {});
} else if (const auto large = _photoMedia->image(Size::Large)) {
prepare(large, {});
} else if (!image) {
if (const auto blurred = _photoMedia->thumbnailInline()) {
prepare(blurred, Images::Option::Blur);
}
}
if (_good) {
checked = true;
_photoMedia = nullptr;
}
}
}
return image.get();
}
bool ReplyPreview::loaded(bool spoiler) const {
return spoiler ? _checkedSpoilered : _checkedRegular;
}
} // namespace Data