tdesktop/Telegram/SourceFiles/history/view/media/history_view_web_page.cpp
2023-07-20 07:20:12 +04:00

898 lines
29 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 "history/view/media/history_view_web_page.h"
#include "core/click_handler_types.h"
#include "core/ui_integration.h"
#include "lang/lang_keys.h"
#include "history/history_item_components.h"
#include "history/history_item.h"
#include "history/history.h"
#include "history/view/history_view_element.h"
#include "history/view/history_view_cursor_state.h"
#include "history/view/history_view_view_button.h"
#include "history/view/media/history_view_media_common.h"
#include "history/view/media/history_view_theme_document.h"
#include "ui/image/image.h"
#include "ui/text/text_options.h"
#include "ui/text/text_utilities.h"
#include "ui/text/format_values.h"
#include "ui/chat/chat_style.h"
#include "ui/cached_round_corners.h"
#include "ui/painter.h"
#include "ui/power_saving.h"
#include "data/data_session.h"
#include "data/data_wall_paper.h"
#include "data/data_media_types.h"
#include "data/data_web_page.h"
#include "data/data_photo.h"
#include "data/data_photo_media.h"
#include "data/data_file_click_handler.h"
#include "data/data_file_origin.h"
#include "styles/style_chat.h"
namespace HistoryView {
namespace {
constexpr auto kMaxOriginalEntryLines = 8192;
int articleThumbWidth(not_null<PhotoData*> thumb, int height) {
const auto size = thumb->location(Data::PhotoSize::Thumbnail);
return size.height()
? qMax(qMin(height * size.width() / size.height(), height), 1)
: 1;
}
int articleThumbHeight(not_null<Data::PhotoMedia*> thumb, int width) {
const auto size = thumb->size(Data::PhotoSize::Thumbnail);
return size.width()
? std::max(size.height() * width / size.width(), 1)
: 1;
}
std::vector<std::unique_ptr<Data::Media>> PrepareCollageMedia(
not_null<HistoryItem*> parent,
const WebPageCollage &data) {
auto result = std::vector<std::unique_ptr<Data::Media>>();
result.reserve(data.items.size());
for (const auto &item : data.items) {
const auto spoiler = false;
if (const auto document = std::get_if<DocumentData*>(&item)) {
const auto skipPremiumEffect = false;
result.push_back(std::make_unique<Data::MediaFile>(
parent,
*document,
skipPremiumEffect,
spoiler));
} else if (const auto photo = std::get_if<PhotoData*>(&item)) {
result.push_back(std::make_unique<Data::MediaPhoto>(
parent,
*photo,
spoiler));
} else {
return {};
}
if (!result.back()->canBeGrouped()) {
return {};
}
}
return result;
}
} // namespace
WebPage::WebPage(
not_null<Element*> parent,
not_null<WebPageData*> data)
: Media(parent)
, _data(data)
, _siteName(st::msgMinWidth - st::webPageLeft)
, _title(st::msgMinWidth - st::webPageLeft)
, _description(st::msgMinWidth - st::webPageLeft) {
history()->owner().registerWebPageView(_data, _parent);
}
QSize WebPage::countOptimalSize() {
if (_data->pendingTill) {
return { 0, 0 };
}
const auto versionChanged = (_dataVersion != _data->version);
if (versionChanged) {
_dataVersion = _data->version;
_openl = nullptr;
_attach = nullptr;
_collage = PrepareCollageMedia(_parent->data(), _data->collage);
_siteName = Ui::Text::String(st::msgMinWidth - st::webPageLeft);
_title = Ui::Text::String(st::msgMinWidth - st::webPageLeft);
_description = Ui::Text::String(st::msgMinWidth - st::webPageLeft);
}
auto lineHeight = UnitedLineHeight();
if (!_openl && !_data->url.isEmpty()) {
const auto previewOfHiddenUrl = [&] {
const auto simplify = [](const QString &url) {
auto result = url.toLower();
if (result.endsWith('/')) {
result.chop(1);
}
const auto prefixes = { u"http://"_q, u"https://"_q };
for (const auto &prefix : prefixes) {
if (result.startsWith(prefix)) {
result = result.mid(prefix.size());
break;
}
}
return result;
};
const auto simplified = simplify(_data->url);
const auto full = _parent->data()->originalText();
for (const auto &entity : full.entities) {
if (entity.type() != EntityType::Url) {
continue;
}
const auto link = full.text.mid(
entity.offset(),
entity.length());
if (simplify(link) == simplified) {
return false;
}
}
return true;
}();
_openl = (previewOfHiddenUrl
|| UrlClickHandler::IsSuspicious(_data->url))
? std::make_shared<HiddenUrlClickHandler>(_data->url)
: std::make_shared<UrlClickHandler>(_data->url, true);
if (_data->document
&& (_data->document->isWallPaper()
|| _data->document->isTheme())) {
_openl = std::make_shared<DocumentWrappedClickHandler>(
std::move(_openl),
_data->document,
_parent->data()->fullId());
}
}
// init layout
auto title = TextUtilities::SingleLine(_data->title.isEmpty()
? _data->author
: _data->title);
if (!_collage.empty()) {
_asArticle = false;
} else if (!_data->document
&& _data->photo
&& _data->type != WebPageType::Photo
&& _data->type != WebPageType::Document
&& _data->type != WebPageType::Story
&& _data->type != WebPageType::Video) {
if (_data->type == WebPageType::Profile) {
_asArticle = true;
} else if (_data->siteName == u"Twitter"_q
|| _data->siteName == u"Facebook"_q
|| _data->type == WebPageType::ArticleWithIV) {
_asArticle = false;
} else {
_asArticle = true;
}
if (_asArticle
&& _data->description.text.isEmpty()
&& title.isEmpty()
&& _data->siteName.isEmpty()) {
_asArticle = false;
}
} else {
_asArticle = false;
}
// init attach
if (!_attach && !_asArticle) {
_attach = CreateAttach(
_parent,
_data->document,
_data->photo,
_collage,
_data->url);
}
_hasViewButton = ViewButton::MediaHasViewButton(_data);
const auto textFloatsAroundInfo = !_asArticle
&& !_attach
&& isBubbleBottom()
&& !_hasViewButton;
// init strings
if (_description.isEmpty() && !_data->description.text.isEmpty()) {
auto text = _data->description;
if (isLogEntryOriginal()) {
// Fix layout for small bubbles (narrow media caption edit log entries).
_description = Ui::Text::String(st::minPhotoSize
- st::msgPadding.left()
- st::msgPadding.right()
- st::webPageLeft);
}
using MarkedTextContext = Core::MarkedTextContext;
auto context = MarkedTextContext{
.session = &history()->session(),
.customEmojiRepaint = [=] { _parent->customEmojiRepaint(); },
};
if (_data->siteName == u"Twitter"_q) {
context.type = MarkedTextContext::HashtagMentionType::Twitter;
} else if (_data->siteName == u"Instagram"_q) {
context.type = MarkedTextContext::HashtagMentionType::Instagram;
}
_description.setMarkedText(
st::webPageDescriptionStyle,
text,
Ui::WebpageTextDescriptionOptions(),
context);
if (textFloatsAroundInfo) {
_description.updateSkipBlock(
_parent->skipBlockWidth(),
_parent->skipBlockHeight());
}
}
if (!displayedSiteName().isEmpty()) {
_siteNameLines = 1;
_siteName.setMarkedText(
st::webPageTitleStyle,
Ui::Text::Link(displayedSiteName(), _data->url),
Ui::WebpageTextTitleOptions());
}
if (_title.isEmpty() && !title.isEmpty()) {
auto titleWithEntities = Ui::Text::Link(title, _data->url);
if (!_siteNameLines && !_data->url.isEmpty()) {
_title.setMarkedText(
st::webPageTitleStyle,
std::move(titleWithEntities),
Ui::WebpageTextTitleOptions());
} else {
_title.setText(
st::webPageTitleStyle,
title,
Ui::WebpageTextTitleOptions());
}
if (textFloatsAroundInfo && _description.isEmpty()) {
_title.updateSkipBlock(
_parent->skipBlockWidth(),
_parent->skipBlockHeight());
}
}
// init dimensions
auto skipBlockWidth = _parent->skipBlockWidth();
auto maxWidth = skipBlockWidth;
auto minHeight = 0;
auto siteNameHeight = _siteName.isEmpty() ? 0 : lineHeight;
auto titleMinHeight = _title.isEmpty() ? 0 : lineHeight;
auto descMaxLines = isLogEntryOriginal() ? kMaxOriginalEntryLines : (3 + (siteNameHeight ? 0 : 1) + (titleMinHeight ? 0 : 1));
auto descriptionMinHeight = _description.isEmpty() ? 0 : qMin(_description.minHeight(), descMaxLines * lineHeight);
auto articleMinHeight = siteNameHeight + titleMinHeight + descriptionMinHeight;
auto articlePhotoMaxWidth = 0;
if (_asArticle) {
articlePhotoMaxWidth = st::webPagePhotoDelta + qMax(articleThumbWidth(_data->photo, articleMinHeight), lineHeight);
}
if (!_siteName.isEmpty()) {
if (_title.isEmpty() && _description.isEmpty() && textFloatsAroundInfo) {
accumulate_max(maxWidth, _siteName.maxWidth() + _parent->skipBlockWidth());
} else {
accumulate_max(maxWidth, _siteName.maxWidth() + articlePhotoMaxWidth);
}
minHeight += lineHeight;
}
if (!_title.isEmpty()) {
accumulate_max(maxWidth, _title.maxWidth() + articlePhotoMaxWidth);
minHeight += titleMinHeight;
}
if (!_description.isEmpty()) {
accumulate_max(maxWidth, _description.maxWidth() + articlePhotoMaxWidth);
minHeight += descriptionMinHeight;
}
if (_attach) {
auto attachAtTop = _siteName.isEmpty() && _title.isEmpty() && _description.isEmpty();
if (!attachAtTop) minHeight += st::mediaInBubbleSkip;
_attach->initDimensions();
auto bubble = _attach->bubbleMargins();
auto maxMediaWidth = _attach->maxWidth() - bubble.left() - bubble.right();
if (isBubbleBottom() && _attach->customInfoLayout()) {
maxMediaWidth += skipBlockWidth;
}
accumulate_max(maxWidth, maxMediaWidth);
minHeight += _attach->minHeight() - bubble.top() - bubble.bottom();
if (!_attach->additionalInfoString().isEmpty()) {
minHeight += bottomInfoPadding();
}
}
if (_data->type == WebPageType::Video && _data->duration) {
_duration = Ui::FormatDurationText(_data->duration);
_durationWidth = st::msgDateFont->width(_duration);
}
maxWidth += st::msgPadding.left() + st::webPageLeft + st::msgPadding.right();
auto padding = inBubblePadding();
minHeight += padding.top() + padding.bottom();
if (_asArticle) {
minHeight = resizeGetHeight(maxWidth);
}
return { maxWidth, minHeight };
}
QSize WebPage::countCurrentSize(int newWidth) {
if (_data->pendingTill) {
return { newWidth, minHeight() };
}
auto innerWidth = newWidth - st::msgPadding.left() - st::webPageLeft - st::msgPadding.right();
auto newHeight = 0;
auto lineHeight = UnitedLineHeight();
auto linesMax = isLogEntryOriginal() ? kMaxOriginalEntryLines : 5;
auto siteNameHeight = _siteNameLines ? lineHeight : 0;
if (asArticle()) {
_pixh = linesMax * lineHeight;
do {
_pixw = articleThumbWidth(_data->photo, _pixh);
auto wleft = innerWidth - st::webPagePhotoDelta - qMax(_pixw, lineHeight);
newHeight = siteNameHeight;
if (_title.isEmpty()) {
_titleLines = 0;
} else {
if (_title.countHeight(wleft) < 2 * st::webPageTitleFont->height) {
_titleLines = 1;
} else {
_titleLines = 2;
}
newHeight += _titleLines * lineHeight;
}
auto descriptionHeight = _description.countHeight(wleft);
if (descriptionHeight < (linesMax - _siteNameLines - _titleLines) * st::webPageDescriptionFont->height) {
// We have height for all the lines.
_descriptionLines = -1;
newHeight += descriptionHeight;
} else {
_descriptionLines = (linesMax - _siteNameLines - _titleLines);
newHeight += _descriptionLines * lineHeight;
}
if (newHeight >= _pixh) {
break;
}
_pixh -= lineHeight;
} while (_pixh > lineHeight);
newHeight += bottomInfoPadding();
} else {
newHeight = siteNameHeight;
if (_title.isEmpty()) {
_titleLines = 0;
} else {
if (_title.countHeight(innerWidth) < 2 * st::webPageTitleFont->height) {
_titleLines = 1;
} else {
_titleLines = 2;
}
newHeight += _titleLines * lineHeight;
}
if (_description.isEmpty()) {
_descriptionLines = 0;
} else {
auto descriptionHeight = _description.countHeight(innerWidth);
if (descriptionHeight < (linesMax - _siteNameLines - _titleLines) * st::webPageDescriptionFont->height) {
// We have height for all the lines.
_descriptionLines = -1;
newHeight += descriptionHeight;
} else {
_descriptionLines = (linesMax - _siteNameLines - _titleLines);
newHeight += _descriptionLines * lineHeight;
}
}
if (_attach) {
auto attachAtTop = !_siteNameLines && !_titleLines && !_descriptionLines;
if (!attachAtTop) newHeight += st::mediaInBubbleSkip;
auto bubble = _attach->bubbleMargins();
_attach->resizeGetHeight(innerWidth + bubble.left() + bubble.right());
newHeight += _attach->height() - bubble.top() - bubble.bottom();
if (!_attach->additionalInfoString().isEmpty()) {
newHeight += bottomInfoPadding();
} else if (isBubbleBottom() && _attach->customInfoLayout() && _attach->width() + _parent->skipBlockWidth() > innerWidth + bubble.left() + bubble.right()) {
newHeight += bottomInfoPadding();
}
} else if (_hasViewButton) {
newHeight += bottomInfoPadding();
}
}
auto padding = inBubblePadding();
newHeight += padding.top() + padding.bottom();
return { newWidth, newHeight };
}
TextSelection WebPage::toTitleSelection(
TextSelection selection) const {
return UnshiftItemSelection(selection, _siteName);
}
TextSelection WebPage::fromTitleSelection(
TextSelection selection) const {
return ShiftItemSelection(selection, _siteName);
}
TextSelection WebPage::toDescriptionSelection(
TextSelection selection) const {
return UnshiftItemSelection(toTitleSelection(selection), _title);
}
TextSelection WebPage::fromDescriptionSelection(
TextSelection selection) const {
return ShiftItemSelection(fromTitleSelection(selection), _title);
}
void WebPage::refreshParentId(not_null<HistoryItem*> realParent) {
if (_attach) {
_attach->refreshParentId(realParent);
}
}
void WebPage::ensurePhotoMediaCreated() const {
Expects(_data->photo != nullptr);
if (_photoMedia) {
return;
}
_photoMedia = _data->photo->createMediaView();
const auto contextId = _parent->data()->fullId();
_photoMedia->wanted(Data::PhotoSize::Thumbnail, contextId);
history()->owner().registerHeavyViewPart(_parent);
}
bool WebPage::hasHeavyPart() const {
return _photoMedia || (_attach ? _attach->hasHeavyPart() : false);
}
void WebPage::unloadHeavyPart() {
if (_attach) {
_attach->unloadHeavyPart();
}
_description.unloadPersistentAnimation();
_photoMedia = nullptr;
}
void WebPage::draw(Painter &p, const PaintContext &context) const {
if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) return;
auto paintw = width();
const auto st = context.st;
const auto sti = context.imageStyle();
const auto stm = context.messageStyle();
const auto &barfg = stm->msgReplyBarColor;
const auto &semibold = stm->msgServiceFg;
QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());
auto padding = inBubblePadding();
auto tshift = padding.top();
auto bshift = padding.bottom();
paintw -= padding.left() + padding.right();
auto attachAdditionalInfoText = _attach ? _attach->additionalInfoString() : QString();
if (asArticle()) {
bshift += bottomInfoPadding();
} else if (!attachAdditionalInfoText.isEmpty()) {
bshift += bottomInfoPadding();
} else if (isBubbleBottom() && _attach && _attach->customInfoLayout() && _attach->width() + _parent->skipBlockWidth() > paintw + bubble.left() + bubble.right()) {
bshift += bottomInfoPadding();
} else if (_hasViewButton) {
bshift += bottomInfoPadding();
}
QRect bar(style::rtlrect(st::msgPadding.left(), tshift, st::webPageBar, height() - tshift - bshift, width()));
p.fillRect(bar, barfg);
auto lineHeight = UnitedLineHeight();
if (asArticle()) {
ensurePhotoMediaCreated();
QPixmap pix;
auto pw = qMax(_pixw, lineHeight);
auto ph = _pixh;
auto pixw = _pixw, pixh = articleThumbHeight(_photoMedia.get(), _pixw);
const auto maxsize = _photoMedia->size(Data::PhotoSize::Thumbnail);
const auto maxw = style::ConvertScale(maxsize.width());
const auto maxh = style::ConvertScale(maxsize.height());
if (pixw * ph != pixh * pw) {
float64 coef = (pixw * ph > pixh * pw) ? qMin(ph / float64(pixh), maxh / float64(pixh)) : qMin(pw / float64(pixw), maxw / float64(pixw));
pixh = qRound(pixh * coef);
pixw = qRound(pixw * coef);
}
const auto size = QSize(pixw, pixh);
const auto args = Images::PrepareArgs{
.options = Images::Option::RoundSmall,
.outer = { pw, ph },
};
if (const auto thumbnail = _photoMedia->image(
Data::PhotoSize::Thumbnail)) {
pix = thumbnail->pixSingle(size, args);
} else if (const auto small = _photoMedia->image(
Data::PhotoSize::Small)) {
pix = small->pixSingle(size, args.blurred());
} else if (const auto blurred = _photoMedia->thumbnailInline()) {
pix = blurred->pixSingle(size, args.blurred());
}
p.drawPixmapLeft(padding.left() + paintw - pw, tshift, width(), pix);
if (context.selected()) {
const auto st = context.st;
Ui::FillRoundRect(
p,
style::rtlrect(padding.left() + paintw - pw, tshift, pw, _pixh, width()),
st->msgSelectOverlay(),
st->msgSelectOverlayCorners(Ui::CachedCornerRadius::Small));
}
paintw -= pw + st::webPagePhotoDelta;
}
if (_siteNameLines) {
p.setPen(semibold);
p.setTextPalette(stm->semiboldPalette);
auto endskip = 0;
if (_siteName.hasSkipBlock()) {
endskip = _parent->skipBlockWidth();
}
_siteName.drawLeftElided(p, padding.left(), tshift, paintw, width(), _siteNameLines, style::al_left, 0, -1, endskip, false, context.selection);
tshift += lineHeight;
p.setTextPalette(stm->textPalette);
}
p.setPen(stm->historyTextFg);
if (_titleLines) {
auto endskip = 0;
if (_title.hasSkipBlock()) {
endskip = _parent->skipBlockWidth();
}
_title.drawLeftElided(p, padding.left(), tshift, paintw, width(), _titleLines, style::al_left, 0, -1, endskip, false, toTitleSelection(context.selection));
tshift += _titleLines * lineHeight;
}
if (_descriptionLines) {
auto endskip = 0;
if (_description.hasSkipBlock()) {
endskip = _parent->skipBlockWidth();
}
_parent->prepareCustomEmojiPaint(p, context, _description);
_description.draw(p, {
.position = { padding.left(), tshift },
.outerWidth = width(),
.availableWidth = paintw,
.spoiler = Ui::Text::DefaultSpoilerCache(),
.now = context.now,
.pausedEmoji = context.paused || On(PowerSaving::kEmojiChat),
.pausedSpoiler = context.paused || On(PowerSaving::kChatSpoiler),
.selection = toDescriptionSelection(context.selection),
.elisionLines = std::max(_descriptionLines, 0),
.elisionRemoveFromEnd = (_descriptionLines > 0) ? endskip : 0,
});
tshift += (_descriptionLines > 0)
? (_descriptionLines * lineHeight)
: _description.countHeight(paintw);
}
if (_attach) {
auto attachAtTop = !_siteNameLines && !_titleLines && !_descriptionLines;
if (!attachAtTop) tshift += st::mediaInBubbleSkip;
auto attachLeft = padding.left() - bubble.left();
auto attachTop = tshift - bubble.top();
if (rtl()) attachLeft = width() - attachLeft - _attach->width();
p.translate(attachLeft, attachTop);
_attach->draw(p, context.translated(
-attachLeft,
-attachTop
).withSelection(context.selected()
? FullSelection
: TextSelection()));
auto pixwidth = _attach->width();
auto pixheight = _attach->height();
if (_data->type == WebPageType::Video
&& _collage.empty()
&& _data->photo
&& !_data->document) {
if (_attach->isReadyForOpen()) {
if (_data->siteName == u"YouTube"_q) {
st->youtubeIcon().paint(p, (pixwidth - st::youtubeIcon.width()) / 2, (pixheight - st::youtubeIcon.height()) / 2, width());
} else {
st->videoIcon().paint(p, (pixwidth - st::videoIcon.width()) / 2, (pixheight - st::videoIcon.height()) / 2, width());
}
}
if (_durationWidth) {
auto dateX = pixwidth - _durationWidth - st::msgDateImgDelta - 2 * st::msgDateImgPadding.x();
auto dateY = pixheight - st::msgDateFont->height - 2 * st::msgDateImgPadding.y() - st::msgDateImgDelta;
auto dateW = pixwidth - dateX - st::msgDateImgDelta;
auto dateH = pixheight - dateY - st::msgDateImgDelta;
Ui::FillRoundRect(p, dateX, dateY, dateW, dateH, sti->msgDateImgBg, sti->msgDateImgBgCorners);
p.setFont(st::msgDateFont);
p.setPen(st->msgDateImgFg());
p.drawTextLeft(dateX + st::msgDateImgPadding.x(), dateY + st::msgDateImgPadding.y(), pixwidth, _duration);
}
}
p.translate(-attachLeft, -attachTop);
if (!attachAdditionalInfoText.isEmpty()) {
p.setFont(st::msgDateFont);
p.setPen(stm->msgDateFg);
p.drawTextLeft(st::msgPadding.left(), bar.y() + bar.height() + st::mediaInBubbleSkip, width(), attachAdditionalInfoText);
}
}
}
bool WebPage::asArticle() const {
return _asArticle && (_data->photo != nullptr);
}
TextState WebPage::textState(QPoint point, StateRequest request) const {
auto result = TextState(_parent);
if (width() < st::msgPadding.left() + st::msgPadding.right() + 1) {
return result;
}
auto paintw = width();
QMargins bubble(_attach ? _attach->bubbleMargins() : QMargins());
auto padding = inBubblePadding();
auto tshift = padding.top();
auto bshift = padding.bottom();
if (asArticle() || (isBubbleBottom() && _attach && _attach->customInfoLayout() && _attach->width() + _parent->skipBlockWidth() > paintw + bubble.left() + bubble.right())) {
bshift += bottomInfoPadding();
}
paintw -= padding.left() + padding.right();
auto lineHeight = UnitedLineHeight();
auto inThumb = false;
if (asArticle()) {
auto pw = qMax(_pixw, lineHeight);
if (style::rtlrect(padding.left() + paintw - pw, tshift, pw, _pixh, width()).contains(point)) {
inThumb = true;
}
paintw -= pw + st::webPagePhotoDelta;
}
int symbolAdd = 0;
if (_siteNameLines) {
if (point.y() >= tshift && point.y() < tshift + lineHeight) {
Ui::Text::StateRequestElided siteNameRequest = request.forText();
siteNameRequest.lines = _siteNameLines;
result = TextState(_parent, _siteName.getStateElidedLeft(
point - QPoint(padding.left(), tshift),
paintw,
width(),
siteNameRequest));
} else if (point.y() >= tshift + lineHeight) {
symbolAdd += _siteName.length();
}
tshift += lineHeight;
}
if (_titleLines) {
if (point.y() >= tshift && point.y() < tshift + _titleLines * lineHeight) {
Ui::Text::StateRequestElided titleRequest = request.forText();
titleRequest.lines = _titleLines;
result = TextState(_parent, _title.getStateElidedLeft(
point - QPoint(padding.left(), tshift),
paintw,
width(),
titleRequest));
} else if (point.y() >= tshift + _titleLines * lineHeight) {
symbolAdd += _title.length();
}
tshift += _titleLines * lineHeight;
}
if (_descriptionLines) {
auto descriptionHeight = (_descriptionLines > 0) ? _descriptionLines * lineHeight : _description.countHeight(paintw);
if (point.y() >= tshift && point.y() < tshift + descriptionHeight) {
if (_descriptionLines > 0) {
Ui::Text::StateRequestElided descriptionRequest = request.forText();
descriptionRequest.lines = _descriptionLines;
result = TextState(_parent, _description.getStateElidedLeft(
point - QPoint(padding.left(), tshift),
paintw,
width(),
descriptionRequest));
} else {
result = TextState(_parent, _description.getStateLeft(
point - QPoint(padding.left(), tshift),
paintw,
width(),
request.forText()));
}
} else if (point.y() >= tshift + descriptionHeight) {
symbolAdd += _description.length();
}
tshift += descriptionHeight;
}
if (inThumb) {
result.link = _openl;
} else if (_attach) {
auto attachAtTop = !_siteNameLines && !_titleLines && !_descriptionLines;
if (!attachAtTop) tshift += st::mediaInBubbleSkip;
if (QRect(padding.left(), tshift, paintw, height() - tshift - bshift).contains(point)) {
auto attachLeft = padding.left() - bubble.left();
auto attachTop = tshift - bubble.top();
if (rtl()) attachLeft = width() - attachLeft - _attach->width();
result = _attach->textState(point - QPoint(attachLeft, attachTop), request);
result.link = replaceAttachLink(result.link);
}
}
result.symbol += symbolAdd;
return result;
}
ClickHandlerPtr WebPage::replaceAttachLink(
const ClickHandlerPtr &link) const {
if (!link || !_attach->isReadyForOpen() || !_collage.empty()) {
return link;
}
if (_data->document) {
if (_data->document->isWallPaper() || _data->document->isTheme()) {
return _openl;
}
} else if (_data->photo) {
if (_data->type == WebPageType::Profile
|| _data->type == WebPageType::Video) {
return _openl;
} else if (_data->type == WebPageType::Photo
|| _data->type == WebPageType::Document
|| _data->siteName == u"Twitter"_q
|| _data->siteName == u"Facebook"_q) {
// leave photo link
} else {
return _openl;
}
} else if (ThemeDocument::ParamsFromUrl(_data->url).has_value()) {
return _openl;
}
return link;
}
TextSelection WebPage::adjustSelection(TextSelection selection, TextSelectType type) const {
if ((!_titleLines && !_descriptionLines) || selection.to <= _siteName.length()) {
return _siteName.adjustSelection(selection, type);
}
auto titlesLength = _siteName.length() + _title.length();
auto titleSelection = _title.adjustSelection(toTitleSelection(selection), type);
if ((!_siteNameLines && !_descriptionLines) || (selection.from >= _siteName.length() && selection.to <= titlesLength)) {
return fromTitleSelection(titleSelection);
}
auto descriptionSelection = _description.adjustSelection(toDescriptionSelection(selection), type);
if ((!_siteNameLines && !_titleLines) || selection.from >= titlesLength) {
return fromDescriptionSelection(descriptionSelection);
}
auto siteNameSelection = _siteName.adjustSelection(selection, type);
if (!_descriptionLines || selection.to <= titlesLength) {
return { siteNameSelection.from, fromTitleSelection(titleSelection).to };
}
return { siteNameSelection.from, fromDescriptionSelection(descriptionSelection).to };
}
void WebPage::clickHandlerActiveChanged(const ClickHandlerPtr &p, bool active) {
if (_attach) {
_attach->clickHandlerActiveChanged(p, active);
}
}
void WebPage::clickHandlerPressedChanged(const ClickHandlerPtr &p, bool pressed) {
if (_attach) {
_attach->clickHandlerPressedChanged(p, pressed);
}
}
bool WebPage::enforceBubbleWidth() const {
return (_attach != nullptr)
&& (_data->document != nullptr)
&& (_data->document->isWallPaper() || _data->document->isTheme());
}
void WebPage::playAnimation(bool autoplay) {
if (_attach) {
if (autoplay) {
_attach->autoplayAnimation();
} else {
_attach->playAnimation();
}
}
}
bool WebPage::isDisplayed() const {
const auto item = _parent->data();
return !_data->pendingTill
&& !item->Has<HistoryMessageLogEntryOriginal>();
}
TextForMimeData WebPage::selectedText(TextSelection selection) const {
auto siteNameResult = _siteName.toTextForMimeData(selection);
auto titleResult = _title.toTextForMimeData(
toTitleSelection(selection));
auto descriptionResult = _description.toTextForMimeData(
toDescriptionSelection(selection));
if (titleResult.empty() && descriptionResult.empty()) {
return siteNameResult;
} else if (siteNameResult.empty() && descriptionResult.empty()) {
return titleResult;
} else if (siteNameResult.empty() && titleResult.empty()) {
return descriptionResult;
} else if (siteNameResult.empty()) {
return titleResult.append('\n').append(std::move(descriptionResult));
} else if (titleResult.empty()) {
return siteNameResult.append('\n').append(std::move(descriptionResult));
} else if (descriptionResult.empty()) {
return siteNameResult.append('\n').append(std::move(titleResult));
}
return siteNameResult.append('\n').append(std::move(titleResult)).append('\n').append(std::move(descriptionResult));
}
QMargins WebPage::inBubblePadding() const {
auto lshift = st::msgPadding.left() + st::webPageLeft;
auto rshift = st::msgPadding.right();
auto bshift = isBubbleBottom() ? st::msgPadding.left() : st::mediaInBubbleSkip;
auto tshift = isBubbleTop() ? st::msgPadding.left() : st::mediaInBubbleSkip;
return QMargins(lshift, tshift, rshift, bshift);
}
bool WebPage::isLogEntryOriginal() const {
return _parent->data()->isAdminLogEntry() && _parent->media() != this;
}
int WebPage::bottomInfoPadding() const {
if (!isBubbleBottom()) return 0;
auto result = st::msgDateFont->height;
// We use padding greater than st::msgPadding.bottom() in the
// bottom of the bubble so that the left line looks pretty.
// but if we have bottom skip because of the info display
// we don't need that additional padding so we replace it
// back with st::msgPadding.bottom() instead of left().
result += st::msgPadding.bottom() - st::msgPadding.left();
return result;
}
QString WebPage::displayedSiteName() const {
return (_data->document && _data->document->isWallPaper())
? tr::lng_media_chat_background(tr::now)
: (_data->document && _data->document->isTheme())
? tr::lng_media_color_theme(tr::now)
: _data->siteName;
}
WebPage::~WebPage() {
history()->owner().unregisterWebPageView(_data, _parent);
if (_photoMedia) {
history()->owner().keepAlive(base::take(_photoMedia));
_parent->checkHeavyPart();
}
}
} // namespace HistoryView