347 lines
9.9 KiB
C++
347 lines
9.9 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 "window/window_media_preview.h"
|
|
|
|
#include "data/data_photo.h"
|
|
#include "data/data_document.h"
|
|
#include "ui/image/image.h"
|
|
#include "ui/emoji_config.h"
|
|
#include "lottie/lottie_single_player.h"
|
|
#include "main/main_session.h"
|
|
#include "chat_helpers/stickers.h"
|
|
#include "window/window_session_controller.h"
|
|
#include "styles/style_layers.h"
|
|
#include "styles/style_chat_helpers.h"
|
|
#include "styles/style_history.h"
|
|
|
|
namespace Window {
|
|
namespace {
|
|
|
|
constexpr int kStickerPreviewEmojiLimit = 10;
|
|
|
|
} // namespace
|
|
|
|
MediaPreviewWidget::MediaPreviewWidget(
|
|
QWidget *parent,
|
|
not_null<Window::SessionController*> controller)
|
|
: RpWidget(parent)
|
|
, _controller(controller)
|
|
, _emojiSize(Ui::Emoji::GetSizeLarge() / cIntRetinaFactor()) {
|
|
setAttribute(Qt::WA_TransparentForMouseEvents);
|
|
subscribe(_controller->session().downloaderTaskFinished(), [=] {
|
|
update();
|
|
});
|
|
}
|
|
|
|
QRect MediaPreviewWidget::updateArea() const {
|
|
const auto size = currentDimensions();
|
|
return QRect(
|
|
QPoint((width() - size.width()) / 2, (height() - size.height()) / 2),
|
|
size);
|
|
}
|
|
|
|
void MediaPreviewWidget::paintEvent(QPaintEvent *e) {
|
|
Painter p(this);
|
|
QRect r(e->rect());
|
|
|
|
const auto image = [&] {
|
|
if (!_lottie || !_lottie->ready()) {
|
|
return QImage();
|
|
}
|
|
_lottie->markFrameShown();
|
|
return _lottie->frame();
|
|
}();
|
|
const auto pixmap = image.isNull() ? currentImage() : QPixmap();
|
|
const auto size = image.isNull() ? pixmap.size() : image.size();
|
|
int w = size.width() / cIntRetinaFactor(), h = size.height() / cIntRetinaFactor();
|
|
auto shown = _a_shown.value(_hiding ? 0. : 1.);
|
|
if (!_a_shown.animating()) {
|
|
if (_hiding) {
|
|
hide();
|
|
_controller->disableGifPauseReason(Window::GifPauseReason::MediaPreview);
|
|
return;
|
|
}
|
|
} else {
|
|
p.setOpacity(shown);
|
|
// w = qMax(qRound(w * (st::stickerPreviewMin + ((1. - st::stickerPreviewMin) * shown)) / 2.) * 2 + int(w % 2), 1);
|
|
// h = qMax(qRound(h * (st::stickerPreviewMin + ((1. - st::stickerPreviewMin) * shown)) / 2.) * 2 + int(h % 2), 1);
|
|
}
|
|
p.fillRect(r, st::stickerPreviewBg);
|
|
if (image.isNull()) {
|
|
p.drawPixmap((width() - w) / 2, (height() - h) / 2, pixmap);
|
|
} else {
|
|
p.drawImage(
|
|
QRect((width() - w) / 2, (height() - h) / 2, w, h),
|
|
image);
|
|
}
|
|
if (!_emojiList.empty()) {
|
|
const auto emojiCount = _emojiList.size();
|
|
const auto emojiWidth = (emojiCount * _emojiSize) + (emojiCount - 1) * st::stickerEmojiSkip;
|
|
auto emojiLeft = (width() - emojiWidth) / 2;
|
|
const auto esize = Ui::Emoji::GetSizeLarge();
|
|
for (const auto emoji : _emojiList) {
|
|
Ui::Emoji::Draw(
|
|
p,
|
|
emoji,
|
|
esize,
|
|
emojiLeft,
|
|
(height() - h) / 2 - (_emojiSize * 2));
|
|
emojiLeft += _emojiSize + st::stickerEmojiSkip;
|
|
}
|
|
}
|
|
}
|
|
|
|
void MediaPreviewWidget::resizeEvent(QResizeEvent *e) {
|
|
update();
|
|
}
|
|
|
|
void MediaPreviewWidget::showPreview(
|
|
Data::FileOrigin origin,
|
|
not_null<DocumentData*> document) {
|
|
if (!document
|
|
|| (!document->isAnimation() && !document->sticker())
|
|
|| document->isVideoMessage()) {
|
|
hidePreview();
|
|
return;
|
|
}
|
|
|
|
startShow();
|
|
_origin = origin;
|
|
_photo = nullptr;
|
|
_document = document;
|
|
fillEmojiString();
|
|
resetGifAndCache();
|
|
}
|
|
|
|
void MediaPreviewWidget::showPreview(
|
|
Data::FileOrigin origin,
|
|
not_null<PhotoData*> photo) {
|
|
startShow();
|
|
_origin = origin;
|
|
_photo = photo;
|
|
_document = nullptr;
|
|
fillEmojiString();
|
|
resetGifAndCache();
|
|
}
|
|
|
|
void MediaPreviewWidget::startShow() {
|
|
_cache = QPixmap();
|
|
if (isHidden() || _a_shown.animating()) {
|
|
if (isHidden()) {
|
|
show();
|
|
_controller->enableGifPauseReason(Window::GifPauseReason::MediaPreview);
|
|
}
|
|
_hiding = false;
|
|
_a_shown.start([this] { update(); }, 0., 1., st::stickerPreviewDuration);
|
|
} else {
|
|
update();
|
|
}
|
|
}
|
|
|
|
void MediaPreviewWidget::hidePreview() {
|
|
if (isHidden()) {
|
|
return;
|
|
}
|
|
if (_gif) _cache = currentImage();
|
|
_hiding = true;
|
|
_a_shown.start([this] { update(); }, 1., 0., st::stickerPreviewDuration);
|
|
_photo = nullptr;
|
|
_document = nullptr;
|
|
resetGifAndCache();
|
|
}
|
|
|
|
void MediaPreviewWidget::fillEmojiString() {
|
|
_emojiList.clear();
|
|
if (_photo) {
|
|
return;
|
|
}
|
|
if (auto sticker = _document->sticker()) {
|
|
if (auto list = Stickers::GetEmojiListFromSet(_document)) {
|
|
_emojiList = std::move(*list);
|
|
while (_emojiList.size() > kStickerPreviewEmojiLimit) {
|
|
_emojiList.pop_back();
|
|
}
|
|
} else if (const auto emoji = Ui::Emoji::Find(sticker->alt)) {
|
|
_emojiList.emplace_back(emoji);
|
|
}
|
|
}
|
|
}
|
|
|
|
void MediaPreviewWidget::resetGifAndCache() {
|
|
_lottie = nullptr;
|
|
_gif.reset();
|
|
_cacheStatus = CacheNotLoaded;
|
|
_cachedSize = QSize();
|
|
}
|
|
|
|
QSize MediaPreviewWidget::currentDimensions() const {
|
|
if (!_cachedSize.isEmpty()) {
|
|
return _cachedSize;
|
|
}
|
|
if (!_document && !_photo) {
|
|
_cachedSize = QSize(_cache.width() / cIntRetinaFactor(), _cache.height() / cIntRetinaFactor());
|
|
return _cachedSize;
|
|
}
|
|
|
|
QSize result, box;
|
|
if (_photo) {
|
|
result = QSize(_photo->width(), _photo->height());
|
|
box = QSize(width() - 2 * st::boxVerticalMargin, height() - 2 * st::boxVerticalMargin);
|
|
} else {
|
|
result = _document->dimensions;
|
|
if (_gif && _gif->ready()) {
|
|
result = QSize(_gif->width(), _gif->height());
|
|
}
|
|
if (_document->sticker()) {
|
|
box = QSize(st::maxStickerSize, st::maxStickerSize);
|
|
} else {
|
|
box = QSize(2 * st::maxStickerSize, 2 * st::maxStickerSize);
|
|
}
|
|
}
|
|
result = QSize(qMax(style::ConvertScale(result.width()), 1), qMax(style::ConvertScale(result.height()), 1));
|
|
if (result.width() > box.width()) {
|
|
result.setHeight(qMax((box.width() * result.height()) / result.width(), 1));
|
|
result.setWidth(box.width());
|
|
}
|
|
if (result.height() > box.height()) {
|
|
result.setWidth(qMax((box.height() * result.width()) / result.height(), 1));
|
|
result.setHeight(box.height());
|
|
}
|
|
if (_photo) {
|
|
_cachedSize = result;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void MediaPreviewWidget::setupLottie() {
|
|
Expects(_document != nullptr);
|
|
|
|
_lottie = std::make_unique<Lottie::SinglePlayer>(
|
|
Lottie::ReadContent(_document->data(), _document->filepath()),
|
|
Lottie::FrameRequest{ currentDimensions() * cIntRetinaFactor() },
|
|
Lottie::Quality::High);
|
|
|
|
_lottie->updates(
|
|
) | rpl::start_with_next([=](Lottie::Update update) {
|
|
update.data.match([&](const Lottie::Information &) {
|
|
this->update();
|
|
}, [&](const Lottie::DisplayFrameRequest &) {
|
|
this->update(updateArea());
|
|
});
|
|
}, lifetime());
|
|
}
|
|
|
|
QPixmap MediaPreviewWidget::currentImage() const {
|
|
if (_document) {
|
|
if (const auto sticker = _document->sticker()) {
|
|
if (_cacheStatus != CacheLoaded) {
|
|
if (sticker->animated && !_lottie && _document->loaded()) {
|
|
const_cast<MediaPreviewWidget*>(this)->setupLottie();
|
|
}
|
|
if (_lottie && _lottie->ready()) {
|
|
return QPixmap();
|
|
} else if (const auto image = _document->getStickerLarge()) {
|
|
QSize s = currentDimensions();
|
|
_cache = image->pix(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheLoaded;
|
|
} else if (_cacheStatus != CacheThumbLoaded
|
|
&& _document->hasThumbnail()
|
|
&& _document->thumbnail()->loaded()) {
|
|
QSize s = currentDimensions();
|
|
_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
}
|
|
}
|
|
} else {
|
|
_document->automaticLoad(_origin, nullptr);
|
|
if (_document->loaded()) {
|
|
if (!_gif && !_gif.isBad()) {
|
|
auto that = const_cast<MediaPreviewWidget*>(this);
|
|
that->_gif = Media::Clip::MakeReader(_document, FullMsgId(), [=](Media::Clip::Notification notification) {
|
|
that->clipCallback(notification);
|
|
});
|
|
if (_gif) _gif->setAutoplay();
|
|
}
|
|
}
|
|
if (_gif && _gif->started()) {
|
|
auto s = currentDimensions();
|
|
auto paused = _controller->isGifPausedAtLeastFor(Window::GifPauseReason::MediaPreview);
|
|
return _gif->current(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None, paused ? 0 : crl::now());
|
|
}
|
|
if (_cacheStatus != CacheThumbLoaded
|
|
&& _document->hasThumbnail()) {
|
|
QSize s = currentDimensions();
|
|
if (_document->thumbnail()->loaded()) {
|
|
_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
} else if (const auto blurred = _document->thumbnailInline()) {
|
|
_cache = _document->thumbnail()->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
} else {
|
|
_document->thumbnail()->load(_origin);
|
|
}
|
|
}
|
|
}
|
|
} else if (_photo) {
|
|
if (_cacheStatus != CacheLoaded) {
|
|
if (_photo->loaded()) {
|
|
QSize s = currentDimensions();
|
|
_cache = _photo->large()->pix(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheLoaded;
|
|
} else {
|
|
_photo->load(_origin);
|
|
if (_cacheStatus != CacheThumbLoaded) {
|
|
QSize s = currentDimensions();
|
|
if (_photo->thumbnail()->loaded()) {
|
|
_cache = _photo->thumbnail()->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
} else if (_photo->thumbnailSmall()->loaded()) {
|
|
_cache = _photo->thumbnailSmall()->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
} else if (const auto blurred = _photo->thumbnailInline()) {
|
|
_cache = blurred->pixBlurred(_origin, s.width(), s.height());
|
|
_cacheStatus = CacheThumbLoaded;
|
|
} else {
|
|
_photo->thumbnailSmall()->load(_origin);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
return _cache;
|
|
}
|
|
|
|
void MediaPreviewWidget::clipCallback(Media::Clip::Notification notification) {
|
|
using namespace Media::Clip;
|
|
switch (notification) {
|
|
case NotificationReinit: {
|
|
if (_gif && _gif->state() == State::Error) {
|
|
_gif.setBad();
|
|
}
|
|
|
|
if (_gif && _gif->ready() && !_gif->started()) {
|
|
QSize s = currentDimensions();
|
|
_gif->start(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None);
|
|
}
|
|
|
|
update();
|
|
} break;
|
|
|
|
case NotificationRepaint: {
|
|
if (_gif && !_gif->currentDisplayed()) {
|
|
update(updateArea());
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
MediaPreviewWidget::~MediaPreviewWidget() {
|
|
}
|
|
|
|
} // namespace Window
|