de40701cf6
- Show a preview for each link in the text below the block in which it appears. - Allow link previews to be dismissed
112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
// SPDX-FileCopyrightText: 2022 Bharadwaj Raju <bharadwaj.raju777@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-or-later OR LicenseRef-KDE-Accepted-GPL
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#include "linkpreviewer.h"
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#include <Quotient/connection.h>
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#include <Quotient/csapi/content-repo.h>
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#include <Quotient/events/roommessageevent.h>
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#include "neochatconfig.h"
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#include "neochatconnection.h"
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#include "utils.h"
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using namespace Quotient;
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LinkPreviewer::LinkPreviewer(const QUrl &url, QObject *parent)
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: QObject(parent)
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, m_loaded(false)
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, m_url(url)
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{
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Q_ASSERT(dynamic_cast<Connection *>(this->parent()));
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connect(this, &LinkPreviewer::urlChanged, this, &LinkPreviewer::emptyChanged);
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connect(NeoChatConfig::self(), &NeoChatConfig::ShowLinkPreviewChanged, this, &LinkPreviewer::loadUrlPreview);
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loadUrlPreview();
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}
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bool LinkPreviewer::loaded() const
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{
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return m_loaded;
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}
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QString LinkPreviewer::title() const
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{
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return m_title;
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}
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QString LinkPreviewer::description() const
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{
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return m_description;
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}
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QUrl LinkPreviewer::imageSource() const
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{
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return m_imageSource;
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}
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QUrl LinkPreviewer::url() const
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{
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return m_url;
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}
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void LinkPreviewer::loadUrlPreview()
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{
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if (m_url.scheme() == QStringLiteral("https")) {
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m_loaded = false;
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Q_EMIT loadedChanged();
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auto conn = dynamic_cast<Connection *>(this->parent());
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if (conn == nullptr) {
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return;
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}
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GetUrlPreviewJob *job = conn->callApi<GetUrlPreviewJob>(m_url);
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connect(job, &BaseJob::success, this, [this, job, conn]() {
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const auto json = job->jsonData();
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m_title = json["og:title"_ls].toString().trimmed();
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m_description = json["og:description"_ls].toString().trimmed().replace("\n"_ls, " "_ls);
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auto imageUrl = QUrl(json["og:image"_ls].toString());
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if (imageUrl.isValid() && imageUrl.scheme() == QStringLiteral("mxc")) {
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m_imageSource = conn->makeMediaUrl(imageUrl);
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} else {
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m_imageSource = QUrl();
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}
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m_loaded = true;
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Q_EMIT titleChanged();
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Q_EMIT descriptionChanged();
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Q_EMIT imageSourceChanged();
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Q_EMIT loadedChanged();
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});
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}
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}
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bool LinkPreviewer::empty() const
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{
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return m_url.isEmpty();
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}
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QList<QUrl> LinkPreviewer::linkPreviews(QString string)
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{
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auto data = string.remove(TextRegex::removeRichReply);
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auto linksMatch = TextRegex::url.globalMatch(data);
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QList<QUrl> links;
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while (linksMatch.hasNext()) {
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auto link = linksMatch.next().captured();
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if (!link.contains(QStringLiteral("matrix.to")) && !links.contains(QUrl(link))) {
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links += QUrl(link);
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}
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}
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return links;
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}
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bool LinkPreviewer::hasPreviewableLinks(const QString &string)
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{
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return !linkPreviews(string).isEmpty();
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}
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#include "moc_linkpreviewer.cpp"
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