AyuGramDesktop/Telegram/SourceFiles/ui/chat/attach/attach_single_media_preview.cpp

281 lines
8.6 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 "ui/chat/attach/attach_single_media_preview.h"
#include "ui/chat/attach/attach_prepare.h"
#include "ui/widgets/buttons.h"
#include "core/mime_type.h"
#include "lottie/lottie_single_player.h"
#include "styles/style_boxes.h"
#include "styles/style_chat.h"
#include "styles/style_layers.h"
#include "styles/palette.h"
namespace Ui {
namespace {
constexpr auto kMinPreviewWidth = 20;
} // namespace
SingleMediaPreview *SingleMediaPreview::Create(
QWidget *parent,
Fn<bool()> gifPaused,
const PreparedFile &file) {
auto preview = QImage();
bool animated = false;
bool animationPreview = false;
if (const auto image = std::get_if<PreparedFileInformation::Image>(
&file.information->media)) {
preview = image->data;
animated = animationPreview = image->animated;
} else if (const auto video = std::get_if<PreparedFileInformation::Video>(
&file.information->media)) {
preview = video->thumbnail;
animated = true;
animationPreview = video->isGifv;
}
if (preview.isNull()) {
return nullptr;
} else if (!animated && !ValidateThumbDimensions(
preview.width(),
preview.height())) {
return nullptr;
}
return CreateChild<SingleMediaPreview>(
parent,
std::move(gifPaused),
preview,
animated,
Core::IsMimeSticker(file.information->filemime),
animationPreview ? file.path : QString());
}
SingleMediaPreview::SingleMediaPreview(
QWidget *parent,
Fn<bool()> gifPaused,
QImage preview,
bool animated,
bool sticker,
const QString &animatedPreviewPath)
: RpWidget(parent)
, _gifPaused(std::move(gifPaused))
, _animated(animated)
, _sticker(sticker)
, _editMedia(this, st::sendBoxAlbumGroupButtonMedia)
, _deleteMedia(this, st::sendBoxAlbumGroupButtonMedia)
, _buttonsRect(st::sendBoxAlbumGroupRadius, st::callFingerprintBg) {
Expects(!preview.isNull());
_deleteMedia->setIconOverride(&st::sendBoxAlbumGroupButtonMediaDelete);
preparePreview(preview, animatedPreviewPath);
}
SingleMediaPreview::~SingleMediaPreview() = default;
rpl::producer<> SingleMediaPreview::deleteRequests() const {
return _deleteMedia->clicks() | rpl::to_empty;
}
rpl::producer<> SingleMediaPreview::editRequests() const {
return _editMedia->clicks() | rpl::to_empty;
}
void SingleMediaPreview::preparePreview(
QImage preview,
const QString &animatedPreviewPath) {
auto maxW = 0;
auto maxH = 0;
if (_animated && !_sticker) {
auto limitW = st::sendMediaPreviewSize;
auto limitH = st::confirmMaxHeight;
maxW = qMax(preview.width(), 1);
maxH = qMax(preview.height(), 1);
if (maxW * limitH > maxH * limitW) {
if (maxW < limitW) {
maxH = maxH * limitW / maxW;
maxW = limitW;
}
} else {
if (maxH < limitH) {
maxW = maxW * limitH / maxH;
maxH = limitH;
}
}
preview = Images::prepare(
preview,
maxW * style::DevicePixelRatio(),
maxH * style::DevicePixelRatio(),
Images::Option::Smooth | Images::Option::Blurred,
maxW,
maxH);
}
auto originalWidth = preview.width();
auto originalHeight = preview.height();
if (!originalWidth || !originalHeight) {
originalWidth = originalHeight = 1;
}
_previewWidth = st::sendMediaPreviewSize;
if (preview.width() < _previewWidth) {
_previewWidth = qMax(preview.width(), kMinPreviewWidth);
}
auto maxthumbh = qMin(qRound(1.5 * _previewWidth), st::confirmMaxHeight);
const auto minthumbh = st::sendBoxAlbumGroupHeight
+ st::sendBoxAlbumGroupSkipTop * 2;
_previewHeight = qRound(originalHeight * float64(_previewWidth) / originalWidth);
if (_previewHeight > maxthumbh) {
_previewWidth = qRound(_previewWidth * float64(maxthumbh) / _previewHeight);
accumulate_max(_previewWidth, kMinPreviewWidth);
_previewHeight = maxthumbh;
} else if (_previewHeight < minthumbh) {
_previewWidth = qRound(_previewWidth * float64(minthumbh)
/ _previewHeight);
accumulate_max(_previewWidth, kMinPreviewWidth);
_previewHeight = minthumbh;
}
_previewLeft = (st::boxWideWidth - _previewWidth) / 2;
preview = std::move(preview).scaled(
_previewWidth * style::DevicePixelRatio(),
_previewHeight * style::DevicePixelRatio(),
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
preview = Images::prepareOpaque(std::move(preview));
_preview = PixmapFromImage(std::move(preview));
_preview.setDevicePixelRatio(style::DevicePixelRatio());
prepareAnimatedPreview(animatedPreviewPath);
resize(width(), _previewHeight);
}
void SingleMediaPreview::resizeEvent(QResizeEvent *e) {
const auto skipInternal = st::sendBoxAlbumGroupEditInternalSkip;
const auto size = st::sendBoxAlbumGroupHeight;
const auto skipRight = st::sendBoxAlbumGroupSkipRight;
const auto skipTop = st::sendBoxAlbumGroupSkipTop;
const auto groupWidth = size * 2 + skipInternal;
const auto right = (st::boxWideWidth - st::sendMediaPreviewSize) / 2
+ st::sendMediaPreviewSize;
const auto left = right - groupWidth - skipRight;
const auto top = skipTop;
_editMedia->move(left, top);
_deleteMedia->move(left + size + skipInternal, top);
}
void SingleMediaPreview::prepareAnimatedPreview(
const QString &animatedPreviewPath) {
if (_sticker && _animated) {
const auto box = QSize(_previewWidth, _previewHeight)
* style::DevicePixelRatio();
_lottiePreview = std::make_unique<Lottie::SinglePlayer>(
Lottie::ReadContent(QByteArray(), animatedPreviewPath),
Lottie::FrameRequest{ box });
_lottiePreview->updates(
) | rpl::start_with_next([=] {
update();
}, lifetime());
} else if (!animatedPreviewPath.isEmpty()) {
auto callback = [=](Media::Clip::Notification notification) {
clipCallback(notification);
};
_gifPreview = Media::Clip::MakeReader(
animatedPreviewPath,
std::move(callback));
}
}
void SingleMediaPreview::clipCallback(Media::Clip::Notification notification) {
using namespace Media::Clip;
switch (notification) {
case NotificationReinit: {
if (_gifPreview && _gifPreview->state() == State::Error) {
_gifPreview.setBad();
}
if (_gifPreview && _gifPreview->ready() && !_gifPreview->started()) {
auto s = QSize(_previewWidth, _previewHeight);
_gifPreview->start(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None);
}
update();
} break;
case NotificationRepaint: {
if (_gifPreview && !_gifPreview->currentDisplayed()) {
update();
}
} break;
}
}
void SingleMediaPreview::paintEvent(QPaintEvent *e) {
Painter p(this);
if (!_sticker) {
if (_previewLeft > st::boxPhotoPadding.left()) {
p.fillRect(st::boxPhotoPadding.left(), 0, _previewLeft - st::boxPhotoPadding.left(), _previewHeight, st::confirmBg);
}
if (_previewLeft + _previewWidth < width() - st::boxPhotoPadding.right()) {
p.fillRect(_previewLeft + _previewWidth, 0, width() - st::boxPhotoPadding.right() - _previewLeft - _previewWidth, _previewHeight, st::confirmBg);
}
}
if (_gifPreview && _gifPreview->started()) {
auto s = QSize(_previewWidth, _previewHeight);
auto paused = _gifPaused();
auto frame = _gifPreview->current(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None, paused ? 0 : crl::now());
p.drawPixmap(_previewLeft, 0, frame);
} else if (_lottiePreview && _lottiePreview->ready()) {
const auto frame = _lottiePreview->frame();
const auto size = frame.size() / style::DevicePixelRatio();
p.drawImage(
QRect(
_previewLeft + (_previewWidth - size.width()) / 2,
(_previewHeight - size.height()) / 2,
size.width(),
size.height()),
frame);
_lottiePreview->markFrameShown();
} else {
p.drawPixmap(_previewLeft, 0, _preview);
}
if (_animated && !_gifPreview && !_lottiePreview) {
const auto innerSize = st::msgFileLayout.thumbSize;
auto inner = QRect(_previewLeft + (_previewWidth - innerSize) / 2, (_previewHeight - innerSize) / 2, innerSize, innerSize);
p.setPen(Qt::NoPen);
p.setBrush(st::msgDateImgBg);
{
PainterHighQualityEnabler hq(p);
p.drawEllipse(inner);
}
auto icon = &st::historyFileInPlay;
icon->paintInCenter(p, inner);
}
paintButtonsBackground(p);
}
void SingleMediaPreview::paintButtonsBackground(QPainter &p) {
const auto skipInternal = st::sendBoxAlbumGroupEditInternalSkip;
const auto size = st::sendBoxAlbumGroupHeight;
const auto skipRight = st::sendBoxAlbumGroupSkipRight;
const auto skipTop = st::sendBoxAlbumGroupSkipTop;
const auto groupWidth = size * 2 + skipInternal;
const auto right = (st::boxWideWidth - st::sendMediaPreviewSize) / 2
+ st::sendMediaPreviewSize;
const auto left = right - groupWidth - skipRight;
const auto top = skipTop;
QRect groupRect(left, top, groupWidth, size);
_buttonsRect.paint(p, groupRect);
}
} // namespace Ui