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/****************************************************************************
**
** Copyright (C) 2018 Pelagicore AG
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Pelagicore Application Manager.
**
** $QT_BEGIN_LICENSE:LGPL-QTAS$
** Commercial License Usage
** Licensees holding valid commercial Qt Automotive Suite licenses may use
** this file in accordance with the commercial license agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and The Qt Company. For
** licensing terms and conditions see https://www.qt.io/terms-conditions.
** For further information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
** SPDX-License-Identifier: LGPL-3.0
**
****************************************************************************/
#include "intentclientrequest.h"
#include "intentclient.h"
#include <QQmlEngine>
#include <QQmlInfo>
#include <QThread>
#include <QPointer>
#include <QTimer>
QT_BEGIN_NAMESPACE_AM
IntentClientRequest::Direction IntentClientRequest::direction() const
{
return m_direction;
}
IntentClientRequest::~IntentClientRequest()
{
// the incoming request was gc'ed on the JavaScript side, but no reply was sent yet
if ((direction() == Direction::ToApplication) && !m_finished)
sendErrorReply(qSL("Request not handled"));
}
QUuid IntentClientRequest::requestId() const
{
return m_id;
}
QString IntentClientRequest::intentId() const
{
return m_intentId;
}
QString IntentClientRequest::applicationId() const
{
return m_applicationId;
}
QString IntentClientRequest::requestingApplicationId() const
{
return m_requestingApplicationId;
}
QVariantMap IntentClientRequest::parameters() const
{
return m_parameters;
}
bool IntentClientRequest::succeeded() const
{
return m_succeeded;
}
const QVariantMap IntentClientRequest::result() const
{
return m_result;
}
QString IntentClientRequest::errorMessage() const
{
return m_errorMessage;
}
void IntentClientRequest::sendReply(const QVariantMap &result)
{
//TODO: check that result only contains basic datatypes. convertFromJSVariant() does most of
// this already, but doesn't bail out on unconvertible types (yet)
if (m_direction == Direction::ToSystem) {
qmlWarning(this) << "Calling IntentRequest::sendReply on requests originating from this application is a no-op.";
return;
}
IntentClient *ic = IntentClient::instance();
if (QThread::currentThread() != ic->thread()) {
QPointer<IntentClientRequest> that(this);
ic->metaObject()->invokeMethod(ic, [that, ic, result]()
{ if (that) ic->replyFromApplication(that.data(), result); },
Qt::QueuedConnection);
} else {
ic->replyFromApplication(this, result);
}
}
void IntentClientRequest::sendErrorReply(const QString &errorMessage)
{
if (m_direction == Direction::ToSystem) {
qmlWarning(this) << "Calling IntentRequest::sendErrorReply on requests originating from this application is a no-op.";
return;
}
IntentClient *ic = IntentClient::instance();
if (QThread::currentThread() != ic->thread()) {
QPointer<IntentClientRequest> that(this);
ic->metaObject()->invokeMethod(ic, [that, ic, errorMessage]()
{ if (that) ic->errorReplyFromApplication(that.data(), errorMessage); },
Qt::QueuedConnection);
} else {
ic->errorReplyFromApplication(this, errorMessage);
}
}
void IntentClientRequest::startTimeout(int timeout)
{
if (timeout <= 0)
return;
QTimer::singleShot(timeout, this, [this, timeout]() {
if (!m_finished) {
if (direction() == Direction::ToApplication)
sendErrorReply(qSL("Intent request to application timed out after %1 ms").arg(timeout));
else
setErrorMessage(qSL("No reply received from Intent server after %1 ms").arg(timeout));
}
});
}
void IntentClientRequest::connectNotify(const QMetaMethod &signal)
{
// take care of connects happening after the request is already finished:
// re-emit the finished signal in this case (this shouldn't happen in practice, but better be
// safe than sorry)
if (signal == QMetaMethod::fromSignal(&IntentClientRequest::replyReceived)) {
if (direction() == Direction::ToApplication) {
qmlWarning(this) << "Connecting to IntentRequest::replyReceived on requests received "
"by IntentHandlers is a no-op.";
} else if (m_finished) {
QMetaObject::invokeMethod(this, &IntentClientRequest::doFinish, Qt::QueuedConnection);
}
}
}
IntentClientRequest::IntentClientRequest(Direction direction, const QString &requestingApplicationId,
const QUuid &id, const QString &intentId,
const QString &applicationId, const QVariantMap ¶meters)
: QObject()
, m_direction(direction)
, m_id(id)
, m_intentId(intentId)
, m_requestingApplicationId(requestingApplicationId)
, m_applicationId(applicationId)
, m_parameters(parameters)
{ }
void IntentClientRequest::setRequestId(const QUuid &requestId)
{
if (m_id != requestId) {
m_id = requestId;
emit requestIdChanged();
}
}
void IntentClientRequest::setResult(const QVariantMap &result)
{
if (m_result != result) {
m_result = result;
m_succeeded = true;
doFinish();
}
}
void IntentClientRequest::setErrorMessage(const QString &errorMessage)
{
if (m_errorMessage != errorMessage) {
m_errorMessage = errorMessage;
m_succeeded = false;
doFinish();
}
}
void IntentClientRequest::doFinish()
{
m_finished = true;
emit replyReceived();
// We need to disconnect all JS handlers now, because otherwise the request object would
// never be garbage collected (the signal connections increase the use-counter).
disconnect(this, &IntentClientRequest::replyReceived, nullptr, nullptr);
}
QT_END_NAMESPACE_AM
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