Hide RemoteLinuxKillAppService

There is not need to export this class as it's not used
outside. Rename RemoteLinuxKillAppStep into KillAppStep,
as the "RemoteLinux" prefix is redundant inside RemoteLinux
plugin.

Change-Id: I46800c84fd326bb0631b77e48243443d79bc2fb2
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/remotelinux/killappstep.cpp

@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt 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 General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** 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-3.0.html.
+**
+****************************************************************************/
+
+#include "killappstep.h"
+
+#include "remotelinux_constants.h"
+
+#include <projectexplorer/devicesupport/idevice.h>
+#include <projectexplorer/runcontrol.h>
+#include <projectexplorer/target.h>
+#include <utils/qtcassert.h>
+
+using namespace ProjectExplorer;
+using namespace Utils;
+
+namespace RemoteLinux {
+namespace Internal {
+
+class KillAppService : public AbstractRemoteLinuxDeployService
+{
+    Q_OBJECT
+public:
+    ~KillAppService() override;
+
+    void setRemoteExecutable(const QString &filePath);
+
+private:
+    void handleStdErr();
+    void handleProcessFinished();
+
+    bool isDeploymentNecessary() const override;
+
+    void doDeploy() override;
+    void stopDeployment() override;
+
+    void handleSignalOpFinished(const QString &errorMessage);
+    void cleanup();
+    void finishDeployment();
+
+    QString m_remoteExecutable;
+    ProjectExplorer::DeviceProcessSignalOperation::Ptr m_signalOperation;
+};
+
+KillAppService::~KillAppService()
+{
+    cleanup();
+}
+
+void KillAppService::setRemoteExecutable(const QString &filePath)
+{
+    m_remoteExecutable = filePath;
+}
+
+bool KillAppService::isDeploymentNecessary() const
+{
+    return !m_remoteExecutable.isEmpty();
+}
+
+void KillAppService::doDeploy()
+{
+    m_signalOperation = deviceConfiguration()->signalOperation();
+    if (!m_signalOperation) {
+        handleDeploymentDone();
+        return;
+    }
+    connect(m_signalOperation.data(), &ProjectExplorer::DeviceProcessSignalOperation::finished,
+            this, &KillAppService::handleSignalOpFinished);
+    emit progressMessage(tr("Trying to kill \"%1\" on remote device...").arg(m_remoteExecutable));
+    m_signalOperation->killProcess(m_remoteExecutable);
+}
+
+void KillAppService::cleanup()
+{
+    if (m_signalOperation) {
+        disconnect(m_signalOperation.data(), nullptr, this, nullptr);
+        m_signalOperation.clear();
+    }
+}
+
+void KillAppService::finishDeployment()
+{
+    cleanup();
+    handleDeploymentDone();
+}
+
+void KillAppService::stopDeployment()
+{
+    finishDeployment();
+}
+
+void KillAppService::handleSignalOpFinished(const QString &errorMessage)
+{
+    if (errorMessage.isEmpty())
+        emit progressMessage(tr("Remote application killed."));
+    else
+        emit progressMessage(tr("Failed to kill remote application. Assuming it was not running."));
+    finishDeployment();
+}
+
+} // namespace Internal
+
+KillAppStep::KillAppStep(BuildStepList *bsl, Id id)
+        : AbstractRemoteLinuxDeployStep(bsl, id)
+{
+    auto service = createDeployService<Internal::KillAppService>();
+
+    setWidgetExpandedByDefault(false);
+
+    setInternalInitializer([this, service] {
+        Target * const theTarget = target();
+        QTC_ASSERT(theTarget, return CheckResult::failure());
+        RunConfiguration * const rc = theTarget->activeRunConfiguration();
+        const QString remoteExe = rc ? rc->runnable().command.executable().toString() : QString();
+        service->setRemoteExecutable(remoteExe);
+        return CheckResult::success();
+    });
+}
+
+Id KillAppStep::stepId()
+{
+    return Constants::KillAppStepId;
+}
+
+QString KillAppStep::displayName()
+{
+    return tr("Kill current application instance");
+}
+
+} // namespace RemoteLinux
+
+#include "killappstep.moc"