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Code Issues Releases Wiki Activity

Allow sending just webpage preview.

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This commit is contained in:
John Preston
2023-10-26 09:26:45 +04:00
parent 041ec1157f
commit c035ec6917
9 changed files with 81 additions and 49 deletions
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25
Telegram/SourceFiles/chat_helpers/message_field.cpp
View File

@@ -601,6 +601,12 @@ MessageLinksParser::MessageLinksParser(not_null<Ui::InputField*> field)
_lifetime = _field->changes(
) | rpl::start_with_next([=] {
const auto length = _field->getTextWithTags().text.size();
if (!length) {
_lastLength = 0;
_timer.cancel();
parse();
return;
}
const auto timeout = (std::abs(length - _lastLength) > 2)
? 0
: kParseLinksTimeout;
@@ -652,6 +658,7 @@ void MessageLinksParser::parse() {
const auto &tags = textWithTags.tags;
const auto &markdownTags = _field->getMarkdownTags();
if (_disabled || text.isEmpty()) {
_ranges = {};
_list = QStringList();
return;
}
@@ -663,7 +670,7 @@ void MessageLinksParser::parse() {
|| (tag == Ui::InputField::kTagSpoiler);
};
auto ranges = QVector<LinkRange>();
_ranges.clear();
auto tag = tags.begin();
const auto tagsEnd = tags.end();
@@ -672,7 +679,7 @@ void MessageLinksParser::parse() {
if (Ui::InputField::IsValidMarkdownLink(tag->id)
&& !TextUtilities::IsMentionLink(tag->id)) {
ranges.push_back({ tag->offset, tag->length, tag->id });
_ranges.push_back({ tag->offset, tag->length, tag->id });
}
++tag;
};
@@ -782,20 +789,18 @@ void MessageLinksParser::parse() {
processTagsBefore(domainOffset);
if (!hasTagsIntersection(range.start + range.length)) {
if (markdownTagsAllow(range.start, range.length)) {
ranges.push_back(range);
_ranges.push_back(range);
}
}
offset = matchOffset = p - start;
}
processTagsBefore(Ui::kQFixedMax);
apply(text, ranges);
applyRanges(text);
}
void MessageLinksParser::apply(
const QString &text,
const QVector<LinkRange> &ranges) {
const auto count = int(ranges.size());
void MessageLinksParser::applyRanges(const QString &text) {
const auto count = int(_ranges.size());
const auto current = _list.current();
const auto computeLink = [&](const LinkRange &range) {
return range.custom.isEmpty()
@@ -807,7 +812,7 @@ void MessageLinksParser::apply(
return true;
}
for (auto i = 0; i != count; ++i) {
if (computeLink(ranges[i]) != current[i]) {
if (computeLink(_ranges[i]) != current[i]) {
return true;
}
}
@@ -818,7 +823,7 @@ void MessageLinksParser::apply(
}
auto parsed = QStringList();
parsed.reserve(count);
for (const auto &range : ranges) {
for (const auto &range : _ranges) {
parsed.push_back(computeLink(range).toString());
}
_list = std::move(parsed);

36
Telegram/SourceFiles/chat_helpers/message_field.h
View File

@@ -96,38 +96,38 @@ AutocompleteQuery ParseMentionHashtagBotCommandQuery(
not_null<const Ui::InputField*> field,
ChatHelpers::ComposeFeatures features);
class MessageLinksParser : private QObject {
class MessageLinksParser final : private QObject {
public:
MessageLinksParser(not_null<Ui::InputField*> field);
void parseNow();
void setDisabled(bool disabled);
[[nodiscard]] const rpl::variable<QStringList> &list() const;
struct LinkRange {
int start = 0;
int length = 0;
QString custom;
protected:
bool eventFilter(QObject *object, QEvent *event) override;
friend inline auto operator<=>(
const LinkRange&,
const LinkRange&) = default;
friend inline bool operator==(
const LinkRange&,
const LinkRange&) = default;
};
[[nodiscard]] const rpl::variable<QStringList> &list() const;
[[nodiscard]] const std::vector<LinkRange> &ranges() const;
private:
struct LinkRange {
int start;
int length;
QString custom;
};
friend inline bool operator==(const LinkRange &a, const LinkRange &b) {
return (a.start == b.start)
&& (a.length == b.length)
&& (a.custom == b.custom);
}
friend inline bool operator!=(const LinkRange &a, const LinkRange &b) {
return !(a == b);
}
bool eventFilter(QObject *object, QEvent *event) override;
void parse();
void apply(const QString &text, const QVector<LinkRange> &ranges);
void applyRanges(const QString &text);
not_null<Ui::InputField*> _field;
rpl::variable<QStringList> _list;
std::vector<LinkRange> _ranges;
int _lastLength = 0;
bool _disabled = false;
base::Timer _timer;