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/*
SPDX-FileCopyrightText: 2019 Kai Uwe Broulik <kde@privat.broulik.de>
SPDX-License-Identifier: MIT
*/
#include "purposeplugin.h"
#include <QClipboard>
#include <QGuiApplication>
#include <QJsonArray>
#include <QJsonObject>
#include <KIO/MimeTypeFinderJob>
#include <Purpose/AlternativesModel>
#include <Purpose/Menu>
PurposePlugin::PurposePlugin(QObject *parent)
: AbstractBrowserPlugin(QStringLiteral("purpose"), 1, parent)
{
}
PurposePlugin::~PurposePlugin()
{
onUnload();
}
bool PurposePlugin::onUnload()
{
m_menu.reset();
return true;
}
QJsonObject PurposePlugin::handleData(int serial, const QString &event, const QJsonObject &data)
{
if (event == QLatin1String("share")) {
if (m_pendingReplySerial != -1 || (m_menu && m_menu->isVisible())) {
return {
{QStringLiteral("success"), false},
{QStringLiteral("errorCode"), QStringLiteral("BUSY")},
};
}
// store request serial for asynchronous reply
m_pendingReplySerial = serial;
const QJsonObject shareData = data.value(QStringLiteral("data")).toObject();
QString title = shareData.value(QStringLiteral("title")).toString();
const QString text = shareData.value(QStringLiteral("text")).toString();
const QString urlString = shareData.value(QStringLiteral("url")).toString();
// Purpose ShareUrl plug-in type mandates a title.
if (title.isEmpty()) {
title = urlString;
}
if (!m_menu) {
m_menu.reset(new Purpose::Menu());
// HACK A popup window must have a proper parent but we cannot attach it to
// the browser window, so let's just make it a regular menu.
if (qGuiApp->platformName().startsWith(QLatin1String("wayland"))) {
m_menu->setWindowFlag(Qt::Popup, false);
// Hide when it loses focus.
m_menu->installEventFilter(this);
}
m_menu->model()->setPluginType(QStringLiteral("ShareUrl"));
connect(m_menu.data(), &QMenu::aboutToShow, this, [this] {
m_menu->setProperty("actionInvoked", false);
});
connect(m_menu.data(), &QMenu::aboutToHide, this, [this] {
// aboutToHide is emitted before an action is triggered and activeAction() is
// the action currently hovered. This means we can't properly tell that the prompt
// got canceled, when hovering an action and then hitting Escape to close the menu.
// Hence delaying this and checking if an action got invoked :(
QMetaObject::invokeMethod(
this,
[this] {
if (!m_menu->property("actionInvoked").toBool()) {
sendPendingReply(false,
{
{QStringLiteral("errorCode"), QStringLiteral("CANCELED")},
});
}
},
Qt::QueuedConnection);
});
connect(m_menu.data(), &QMenu::triggered, this, [this] {
m_menu->setProperty("actionInvoked", true);
// If it's not a popup, we need to hide it manually.
if (!m_menu->windowFlags().testFlag(Qt::Popup)) {
m_menu->hide();
}
});
connect(m_menu.data(), &Purpose::Menu::finished, this, [this](const QJsonObject &output, int errorCode, const QString &errorMessage) {
if (errorCode) {
debug() << "Error:" << errorCode << errorMessage;
sendPendingReply(false,
{
{QStringLiteral("errorCode"), errorCode},
{QStringLiteral("errorMessage"), errorMessage},
});
return;
}
const QString url = output.value(QStringLiteral("url")).toString();
if (!url.isEmpty()) {
// Do this here rather than on the extension side to avoid having to request an additional permission after updating
QGuiApplication::clipboard()->setText(url);
}
debug() << "Finished:" << output;
sendPendingReply(true, {{QStringLiteral("response"), output}});
});
}
QJsonObject shareJson;
if (!title.isEmpty()) {
shareJson.insert(QStringLiteral("title"), title);
}
QJsonArray urls;
if (!urlString.isEmpty()) {
urls.append(urlString);
}
// Sends even text as URL...
if (!text.isEmpty()) {
urls.append(text);
}
if (!urls.isEmpty()) {
shareJson.insert(QStringLiteral("urls"), urls);
}
if (!text.isEmpty()) {
showShareMenu(shareJson, QStringLiteral("text/plain"));
return {};
}
if (!urls.isEmpty()) {
auto *mimeJob = new KIO::MimeTypeFinderJob(QUrl(urlString));
mimeJob->setAuthenticationPromptEnabled(false);
connect(mimeJob, &KIO::MimeTypeFinderJob::result, this, [this, mimeJob, shareJson] {
showShareMenu(shareJson, mimeJob->mimeType());
});
mimeJob->start();
return {};
}
// navigator.share({title: "foo"}) is valid but makes no sense
// and we also cannot share via Purpose without "urls"
m_pendingReplySerial = -1;
return {
{QStringLiteral("success"), false},
{QStringLiteral("errorCode"), QStringLiteral("INVALID_ARGUMENT")},
};
}
return {};
}
void PurposePlugin::sendPendingReply(bool success, const QJsonObject &data)
{
QJsonObject reply = data;
reply.insert(QStringLiteral("success"), success);
sendReply(m_pendingReplySerial, reply);
m_pendingReplySerial = -1;
}
void PurposePlugin::showShareMenu(const QJsonObject &data, const QString &mimeType)
{
QJsonObject shareData = data;
if (!mimeType.isEmpty() && mimeType != QLatin1String("application/octet-stream")) {
shareData.insert(QStringLiteral("mimeType"), mimeType);
} else {
shareData.insert(QStringLiteral("mimeType"), QStringLiteral("*/*"));
}
debug() << "Share mime type" << mimeType << "with data" << data;
auto *alternativesModel = m_menu->model();
alternativesModel->setInputData(shareData);
// Purpose does not tell us when it does not accept the given input data (e.g. missing field).
if (alternativesModel->rowCount() == 0) {
qWarning() << "Failed to find any share providers for the given data";
// NOTE WebShare API asks not to disclose the failure to find a provider
// to the caller but we can't just leave the menu dangling.
sendPendingReply(false,
{
{QStringLiteral("errorCode"), QStringLiteral("INVALID_ARGUMENT")},
});
return;
}
m_menu->popup(QCursor::pos());
}
bool PurposePlugin::eventFilter(QObject *watched, QEvent *event)
{
if (event->type() == QEvent::WindowDeactivate && watched == m_menu.data()) {
m_menu->hide();
}
return AbstractBrowserPlugin::eventFilter(watched, event);
}
#include "moc_purposeplugin.cpp"
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