tdesktop/Telegram/SourceFiles/ui/chat/attach/attach_album_thumbnail.cpp

528 lines
15 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_album_thumbnail.h"
#include "ui/chat/attach/attach_prepare.h"
#include "ui/image/image_prepare.h"
#include "ui/text/format_values.h"
#include "ui/widgets/buttons.h"
#include "ui/ui_utility.h"
#include "ui/painter.h"
#include "base/call_delayed.h"
#include "styles/style_chat.h"
#include "styles/style_boxes.h"
#include <QtCore/QFileInfo>
namespace Ui {
AlbumThumbnail::AlbumThumbnail(
const PreparedFile &file,
const GroupMediaLayout &layout,
QWidget *parent,
Fn<void()> editCallback,
Fn<void()> deleteCallback)
: _layout(layout)
, _fullPreview(file.preview)
, _shrinkSize(int(std::ceil(st::roundRadiusLarge / 1.4)))
, _isPhoto(file.type == PreparedFile::Type::Photo)
, _isVideo(file.type == PreparedFile::Type::Video) {
Expects(!_fullPreview.isNull());
moveToLayout(layout);
using Option = Images::Option;
const auto previewWidth = _fullPreview.width();
const auto previewHeight = _fullPreview.height();
const auto imageWidth = std::max(
previewWidth / style::DevicePixelRatio(),
st::minPhotoSize);
const auto imageHeight = std::max(
previewHeight / style::DevicePixelRatio(),
st::minPhotoSize);
_photo = PixmapFromImage(Images::Prepare(
_fullPreview,
QSize(previewWidth, previewHeight),
{
.options = Option::RoundLarge,
.outer = { imageWidth, imageHeight },
}));
const auto &st = st::attachPreviewThumbLayout;
const auto idealSize = st.thumbSize * style::DevicePixelRatio();
const auto fileThumbSize = (previewWidth > previewHeight)
? QSize(previewWidth * idealSize / previewHeight, idealSize)
: QSize(idealSize, previewHeight * idealSize / previewWidth);
_fileThumb = PixmapFromImage(Images::Prepare(
_fullPreview,
fileThumbSize,
{
.options = Option::RoundSmall,
.outer = { st.thumbSize, st.thumbSize },
}));
const auto availableFileWidth = st::sendMediaPreviewSize
- st.thumbSize
- st.thumbSkip
// Right buttons.
- st::sendBoxAlbumGroupButtonFile.width * 2
- st::sendBoxAlbumGroupEditInternalSkip * 2
- st::sendBoxAlbumGroupSkipRight;
const auto filepath = file.path;
if (filepath.isEmpty()) {
_name = "image.png";
_status = FormatImageSizeText(_fullPreview.size()
/ _fullPreview.devicePixelRatio());
} else {
auto fileinfo = QFileInfo(filepath);
_name = fileinfo.fileName();
_status = FormatSizeText(fileinfo.size());
}
_nameWidth = st::semiboldFont->width(_name);
if (_nameWidth > availableFileWidth) {
_name = st::semiboldFont->elided(
_name,
availableFileWidth,
Qt::ElideMiddle);
_nameWidth = st::semiboldFont->width(_name);
}
_statusWidth = st::normalFont->width(_status);
_editMedia.create(parent, st::sendBoxAlbumGroupButtonFile);
_deleteMedia.create(parent, st::sendBoxAlbumGroupButtonFile);
const auto duration = st::historyAttach.ripple.hideDuration;
_editMedia->setClickedCallback([=] {
base::call_delayed(duration, parent, editCallback);
});
_deleteMedia->setClickedCallback(deleteCallback);
_editMedia->setIconOverride(&st::sendBoxAlbumGroupEditButtonIconFile);
_deleteMedia->setIconOverride(&st::sendBoxAlbumGroupDeleteButtonIconFile);
updateFileRow(-1);
}
void AlbumThumbnail::updateFileRow(int row) {
if (row < 0) {
_editMedia->hide();
_deleteMedia->hide();
return;
}
_editMedia->show();
_deleteMedia->show();
const auto fileHeight = st::attachPreviewThumbLayout.thumbSize
+ st::sendMediaRowSkip;
const auto top = row * fileHeight + st::sendBoxFileGroupSkipTop;
auto right = st::sendBoxFileGroupSkipRight + st::boxPhotoPadding.right();
_deleteMedia->moveToRight(right, top);
right += st::sendBoxFileGroupEditInternalSkip + _deleteMedia->width();
_editMedia->moveToRight(right, top);
}
void AlbumThumbnail::resetLayoutAnimation() {
_animateFromGeometry = std::nullopt;
}
void AlbumThumbnail::animateLayoutToInitial() {
_animateFromGeometry = countRealGeometry();
_suggestedMove = 0.;
_albumPosition = QPoint(0, 0);
}
void AlbumThumbnail::moveToLayout(const GroupMediaLayout &layout) {
using Option = Images::Option;
animateLayoutToInitial();
_layout = layout;
const auto width = _layout.geometry.width();
const auto height = _layout.geometry.height();
_albumCorners = GetCornersFromSides(_layout.sides);
const auto corner = [&](RectPart part, Option skip) {
return !(_albumCorners & part) ? skip : Option();
};
const auto options = Option::RoundLarge
| corner(RectPart::TopLeft, Option::RoundSkipTopLeft)
| corner(RectPart::TopRight, Option::RoundSkipTopRight)
| corner(RectPart::BottomLeft, Option::RoundSkipBottomLeft)
| corner(RectPart::BottomRight, Option::RoundSkipBottomRight);
const auto pixSize = GetImageScaleSizeForGeometry(
{ _fullPreview.width(), _fullPreview.height() },
{ width, height });
const auto pixWidth = pixSize.width() * style::DevicePixelRatio();
const auto pixHeight = pixSize.height() * style::DevicePixelRatio();
_albumImage = PixmapFromImage(Images::Prepare(
_fullPreview,
QSize(pixWidth, pixHeight),
{
.options = options,
.outer = { width, height },
}));
}
int AlbumThumbnail::photoHeight() const {
return _photo.height() / style::DevicePixelRatio();
}
void AlbumThumbnail::paintInAlbum(
QPainter &p,
int left,
int top,
float64 shrinkProgress,
float64 moveProgress) {
const auto shrink = anim::interpolate(0, _shrinkSize, shrinkProgress);
_lastShrinkValue = shrink;
const auto geometry = countCurrentGeometry(moveProgress);
const auto x = left + geometry.x();
const auto y = top + geometry.y();
if (shrink > 0 || moveProgress < 1.) {
const auto size = geometry.size();
if (shrinkProgress < 1 && _albumCorners != RectPart::None) {
prepareCache(size, shrink);
p.drawImage(x, y, _albumCache);
} else {
const auto to = QRect({ x, y }, size).marginsRemoved(
{ shrink, shrink, shrink, shrink }
);
drawSimpleFrame(p, to, size);
}
} else {
p.drawPixmap(x, y, _albumImage);
}
if (_isVideo) {
const auto innerSize = st::msgFileLayout.thumbSize;
const auto inner = QRect(
x + (geometry.width() - innerSize) / 2,
y + (geometry.height() - innerSize) / 2,
innerSize,
innerSize);
{
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(st::msgDateImgBg);
p.drawEllipse(inner);
}
st::historyFileThumbPlay.paintInCenter(p, inner);
}
_lastRectOfButtons = paintButtons(
p,
{ x, y },
geometry.width(),
shrinkProgress);
_lastRectOfModify = QRect(QPoint(x, y), geometry.size());
}
void AlbumThumbnail::prepareCache(QSize size, int shrink) {
const auto width = std::max(
_layout.geometry.width(),
_animateFromGeometry ? _animateFromGeometry->width() : 0);
const auto height = std::max(
_layout.geometry.height(),
_animateFromGeometry ? _animateFromGeometry->height() : 0);
const auto cacheSize = QSize(width, height) * style::DevicePixelRatio();
if (_albumCache.width() < cacheSize.width()
|| _albumCache.height() < cacheSize.height()) {
_albumCache = QImage(cacheSize, QImage::Format_ARGB32_Premultiplied);
_albumCache.setDevicePixelRatio(style::DevicePixelRatio());
}
_albumCache.fill(Qt::transparent);
{
Painter p(&_albumCache);
const auto to = QRect(QPoint(), size).marginsRemoved(
{ shrink, shrink, shrink, shrink }
);
drawSimpleFrame(p, to, size);
}
_albumCache = Images::Round(
std::move(_albumCache),
ImageRoundRadius::Large,
_albumCorners,
QRect(QPoint(), size * style::DevicePixelRatio()));
}
void AlbumThumbnail::drawSimpleFrame(QPainter &p, QRect to, QSize size) const {
const auto fullWidth = _fullPreview.width();
const auto fullHeight = _fullPreview.height();
const auto previewSize = GetImageScaleSizeForGeometry(
{ fullWidth, fullHeight },
{ size.width(), size.height() });
const auto previewWidth = previewSize.width() * style::DevicePixelRatio();
const auto previewHeight = previewSize.height() * style::DevicePixelRatio();
const auto width = size.width() * style::DevicePixelRatio();
const auto height = size.height() * style::DevicePixelRatio();
const auto scaleWidth = to.width() / float64(width);
const auto scaleHeight = to.height() / float64(height);
const auto Round = [](float64 value) {
return int(base::SafeRound(value));
};
const auto [from, fillBlack] = [&] {
if (previewWidth < width && previewHeight < height) {
const auto toWidth = Round(previewWidth * scaleWidth);
const auto toHeight = Round(previewHeight * scaleHeight);
return std::make_pair(
QRect(0, 0, fullWidth, fullHeight),
QMargins(
(to.width() - toWidth) / 2,
(to.height() - toHeight) / 2,
to.width() - toWidth - (to.width() - toWidth) / 2,
to.height() - toHeight - (to.height() - toHeight) / 2));
} else if (previewWidth * height > previewHeight * width) {
if (previewHeight >= height) {
const auto takeWidth = previewWidth * height / previewHeight;
const auto useWidth = fullWidth * width / takeWidth;
return std::make_pair(
QRect(
(fullWidth - useWidth) / 2,
0,
useWidth,
fullHeight),
QMargins(0, 0, 0, 0));
} else {
const auto takeWidth = previewWidth;
const auto useWidth = fullWidth * width / takeWidth;
const auto toHeight = Round(previewHeight * scaleHeight);
const auto toSkip = (to.height() - toHeight) / 2;
return std::make_pair(
QRect(
(fullWidth - useWidth) / 2,
0,
useWidth,
fullHeight),
QMargins(
0,
toSkip,
0,
to.height() - toHeight - toSkip));
}
} else {
if (previewWidth >= width) {
const auto takeHeight = previewHeight * width / previewWidth;
const auto useHeight = fullHeight * height / takeHeight;
return std::make_pair(
QRect(
0,
(fullHeight - useHeight) / 2,
fullWidth,
useHeight),
QMargins(0, 0, 0, 0));
} else {
const auto takeHeight = previewHeight;
const auto useHeight = fullHeight * height / takeHeight;
const auto toWidth = Round(previewWidth * scaleWidth);
const auto toSkip = (to.width() - toWidth) / 2;
return std::make_pair(
QRect(
0,
(fullHeight - useHeight) / 2,
fullWidth,
useHeight),
QMargins(
toSkip,
0,
to.width() - toWidth - toSkip,
0));
}
}
}();
p.drawImage(to.marginsRemoved(fillBlack), _fullPreview, from);
if (fillBlack.top() > 0) {
p.fillRect(to.x(), to.y(), to.width(), fillBlack.top(), st::imageBg);
}
if (fillBlack.bottom() > 0) {
p.fillRect(
to.x(),
to.y() + to.height() - fillBlack.bottom(),
to.width(),
fillBlack.bottom(),
st::imageBg);
}
if (fillBlack.left() > 0) {
p.fillRect(
to.x(),
to.y() + fillBlack.top(),
fillBlack.left(),
to.height() - fillBlack.top() - fillBlack.bottom(),
st::imageBg);
}
if (fillBlack.right() > 0) {
p.fillRect(
to.x() + to.width() - fillBlack.right(),
to.y() + fillBlack.top(),
fillBlack.right(),
to.height() - fillBlack.top() - fillBlack.bottom(),
st::imageBg);
}
}
void AlbumThumbnail::paintPhoto(Painter &p, int left, int top, int outerWidth) {
const auto size = _photo.size() / style::DevicePixelRatio();
p.drawPixmapLeft(
left + (st::sendMediaPreviewSize - size.width()) / 2,
top,
outerWidth,
_photo);
const auto topLeft = QPoint{ left, top };
_lastRectOfButtons = paintButtons(
p,
topLeft,
st::sendMediaPreviewSize,
0);
_lastRectOfModify = QRect(topLeft, size);
}
void AlbumThumbnail::paintFile(
Painter &p,
int left,
int top,
int outerWidth) {
const auto &st = st::attachPreviewThumbLayout;
const auto textLeft = left + st.thumbSize + st.thumbSkip;
p.drawPixmap(left, top, _fileThumb);
p.setFont(st::semiboldFont);
p.setPen(st::historyFileNameInFg);
p.drawTextLeft(
textLeft,
top + st.nameTop,
outerWidth,
_name,
_nameWidth);
p.setFont(st::normalFont);
p.setPen(st::mediaInFg);
p.drawTextLeft(
textLeft,
top + st.statusTop,
outerWidth,
_status,
_statusWidth);
_lastRectOfModify = QRect(
QPoint(left, top),
_fileThumb.size() / style::DevicePixelRatio());
}
bool AlbumThumbnail::containsPoint(QPoint position) const {
return _layout.geometry.contains(position);
}
bool AlbumThumbnail::buttonsContainPoint(QPoint position) const {
return (_isPhoto
? _lastRectOfModify
: _lastRectOfButtons).contains(position);
}
AttachButtonType AlbumThumbnail::buttonTypeFromPoint(QPoint position) const {
if (!buttonsContainPoint(position)) {
return AttachButtonType::None;
}
return !_lastRectOfButtons.contains(position)
? AttachButtonType::Modify
: (position.x() < _lastRectOfButtons.center().x())
? AttachButtonType::Edit
: AttachButtonType::Delete;
}
int AlbumThumbnail::distanceTo(QPoint position) const {
const auto delta = (_layout.geometry.center() - position);
return QPoint::dotProduct(delta, delta);
}
bool AlbumThumbnail::isPointAfter(QPoint position) const {
return position.x() > _layout.geometry.center().x();
}
void AlbumThumbnail::moveInAlbum(QPoint to) {
_albumPosition = to;
}
QPoint AlbumThumbnail::center() const {
auto realGeometry = _layout.geometry;
realGeometry.moveTopLeft(realGeometry.topLeft() + _albumPosition);
return realGeometry.center();
}
void AlbumThumbnail::suggestMove(float64 delta, Fn<void()> callback) {
if (_suggestedMove != delta) {
_suggestedMoveAnimation.start(
std::move(callback),
_suggestedMove,
delta,
kShrinkDuration);
_suggestedMove = delta;
}
}
QRect AlbumThumbnail::countRealGeometry() const {
const auto addLeft = int(base::SafeRound(
_suggestedMoveAnimation.value(_suggestedMove) * _lastShrinkValue));
const auto current = _layout.geometry;
const auto realTopLeft = current.topLeft()
+ _albumPosition
+ QPoint(addLeft, 0);
return { realTopLeft, current.size() };
}
QRect AlbumThumbnail::countCurrentGeometry(float64 progress) const {
const auto now = countRealGeometry();
if (_animateFromGeometry && progress < 1.) {
return {
anim::interpolate(_animateFromGeometry->x(), now.x(), progress),
anim::interpolate(_animateFromGeometry->y(), now.y(), progress),
anim::interpolate(_animateFromGeometry->width(), now.width(), progress),
anim::interpolate(_animateFromGeometry->height(), now.height(), progress)
};
}
return now;
}
void AlbumThumbnail::finishAnimations() {
_suggestedMoveAnimation.stop();
}
QRect AlbumThumbnail::paintButtons(
QPainter &p,
QPoint point,
int outerWidth,
float64 shrinkProgress) {
const auto &skipRight = st::sendBoxAlbumGroupSkipRight;
const auto &skipTop = st::sendBoxAlbumGroupSkipTop;
const auto groupWidth = _buttons.width();
// If the width is tiny, it would be better to not display the buttons.
if (groupWidth > outerWidth) {
return QRect();
}
// If the width is too small,
// it would be better to display the buttons in the center.
const auto groupX = point.x() + ((groupWidth + skipRight * 2 > outerWidth)
? (outerWidth - groupWidth) / 2
: outerWidth - skipRight - groupWidth);
const auto groupY = point.y() + skipTop;
const auto opacity = p.opacity();
p.setOpacity(1.0 - shrinkProgress);
_buttons.paint(p, groupX, groupY);
p.setOpacity(opacity);
return QRect(groupX, groupY, groupWidth, _buttons.height());
}
} // namespace Ui