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/*
* SPDX-FileCopyrightText: 2012~2023 CSSlayer <wengxt@gmail.com>
*
* SPDX-License-Identifier: BSD-3-Clause
*
*/
#ifndef _FCITX4INPUTCONTEXTPROXY_P_H_
#define _FCITX4INPUTCONTEXTPROXY_P_H_
#include "fcitx4inputcontextproxy.h"
#include "fcitx4inputcontextproxyimpl.h"
#include "fcitx4inputmethodproxy.h"
#include "fcitx4watcher.h"
#include <QDBusServiceWatcher>
#include <cstddef>
#include <unistd.h>
namespace fcitx {
class Fcitx4InputContextProxyPrivate {
public:
Fcitx4InputContextProxyPrivate(Fcitx4Watcher *watcher,
Fcitx4InputContextProxy *q)
: q_ptr(q), fcitxWatcher_(watcher), watcher_(q) {
registerFcitxQtDBusTypes();
QObject::connect(fcitxWatcher_, &Fcitx4Watcher::availabilityChanged, q,
[this]() { availabilityChanged(); });
watcher_.setWatchMode(QDBusServiceWatcher::WatchForUnregistration);
QObject::connect(&watcher_, &QDBusServiceWatcher::serviceUnregistered,
q, [this]() {
cleanUp();
availabilityChanged();
});
availabilityChanged();
}
~Fcitx4InputContextProxyPrivate() {
if (isValid()) {
icproxy_->DestroyIC();
}
cleanUp();
}
bool isValid() const { return (icproxy_ && icproxy_->isValid()); }
void availabilityChanged() {
QTimer::singleShot(100, q_ptr, [this]() { recheck(); });
}
void recheck() {
if (!isValid() && fcitxWatcher_->availability()) {
createInputContext();
}
if (!fcitxWatcher_->availability()) {
cleanUp();
}
}
void cleanUp() {
auto services = watcher_.watchedServices();
for (const auto &service : services) {
watcher_.removeWatchedService(service);
}
delete improxy_;
improxy_ = nullptr;
delete icproxy_;
icproxy_ = nullptr;
delete createInputContextWatcher_;
createInputContextWatcher_ = nullptr;
}
void createInputContext() {
Q_Q(Fcitx4InputContextProxy);
if (!fcitxWatcher_->availability()) {
return;
}
cleanUp();
auto service = fcitxWatcher_->service();
auto connection = fcitxWatcher_->connection();
auto owner = connection.interface()->serviceOwner(service);
if (!owner.isValid()) {
return;
}
watcher_.setConnection(connection);
watcher_.setWatchedServices(QStringList() << owner);
// Avoid race, query again.
if (!connection.interface()->isServiceRegistered(owner)) {
cleanUp();
return;
}
QFileInfo info(QCoreApplication::applicationFilePath());
improxy_ =
new Fcitx4InputMethodProxy(owner, "/inputmethod", connection, q);
auto result = improxy_->CreateICv3(info.fileName(), getpid());
createInputContextWatcher_ = new QDBusPendingCallWatcher(result);
QObject::connect(createInputContextWatcher_,
&QDBusPendingCallWatcher::finished, q,
[this]() { createInputContextFinished(); });
}
void createInputContextFinished() {
Q_Q(Fcitx4InputContextProxy);
if (createInputContextWatcher_->isError()) {
cleanUp();
return;
}
QDBusPendingReply<int, bool, unsigned int, unsigned int, unsigned int,
unsigned int>
reply(*createInputContextWatcher_);
QString path = QStringLiteral("/inputcontext_%1").arg(reply.value());
icproxy_ = new Fcitx4InputContextProxyImpl(improxy_->service(), path,
improxy_->connection(), q);
QObject::connect(icproxy_, &Fcitx4InputContextProxyImpl::CommitString,
q, &Fcitx4InputContextProxy::commitString);
QObject::connect(icproxy_, &Fcitx4InputContextProxyImpl::CurrentIM, q,
&Fcitx4InputContextProxy::currentIM);
QObject::connect(icproxy_,
&Fcitx4InputContextProxyImpl::DeleteSurroundingText, q,
&Fcitx4InputContextProxy::deleteSurroundingText);
QObject::connect(icproxy_, &Fcitx4InputContextProxyImpl::ForwardKey, q,
&Fcitx4InputContextProxy::forwardKey);
QObject::connect(icproxy_,
&Fcitx4InputContextProxyImpl::UpdateFormattedPreedit,
q, &Fcitx4InputContextProxy::updateFormattedPreedit);
delete createInputContextWatcher_;
createInputContextWatcher_ = nullptr;
Q_EMIT q->inputContextCreated();
}
Fcitx4InputContextProxy *q_ptr;
Q_DECLARE_PUBLIC(Fcitx4InputContextProxy);
Fcitx4Watcher *fcitxWatcher_;
QDBusServiceWatcher watcher_;
Fcitx4InputMethodProxy *improxy_ = nullptr;
Fcitx4InputContextProxyImpl *icproxy_ = nullptr;
QDBusPendingCallWatcher *createInputContextWatcher_ = nullptr;
QString display_;
};
} // namespace fcitx
#endif // _FCITX4INPUTCONTEXTPROXY_P_H_
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