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** Copyright (C) 2016 The Qt Company Ltd.
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#include "androidgdbserverkitinformation.h"
#include "androidconstants.h"
#include "androidtoolchain.h"

#include <utils/pathchooser.h>
#include <utils/elidinglabel.h>
#include <utils/qtcassert.h>

#include <QDialogButtonBox>
#include <QLabel>
#include <QPushButton>
#include <QMenu>
#include <QDialog>
#include <QVBoxLayout>
#include <QFormLayout>

#include <projectexplorer/projectexplorerconstants.h>

#include <qtsupport/baseqtversion.h>
#include <qtsupport/qtkitinformation.h>

using namespace ProjectExplorer;
using namespace Utils;

namespace Android {
namespace Internal {

AndroidGdbServerKitInformation::AndroidGdbServerKitInformation()
{
    setId(AndroidGdbServerKitInformation::id());
    setPriority(27999); // Just one less than Debugger!
}

QVariant AndroidGdbServerKitInformation::defaultValue(const Kit *kit) const
{
    return autoDetect(kit).toString();
}

QList<Task> AndroidGdbServerKitInformation::validate(const Kit *) const
{
    return QList<Task>();
}

KitInformation::ItemList AndroidGdbServerKitInformation::toUserOutput(const Kit *kit) const
{
    return KitInformation::ItemList()
            << qMakePair(tr("GDB server"), AndroidGdbServerKitInformation::gdbServer(kit).toUserOutput());
}

KitConfigWidget *AndroidGdbServerKitInformation::createConfigWidget(Kit *kit) const
{
    QTC_ASSERT(kit, return nullptr);
    return new AndroidGdbServerKitInformationWidget(kit, this);
}

Core::Id AndroidGdbServerKitInformation::id()
{
    return "Android.GdbServer.Information";
}

bool AndroidGdbServerKitInformation::isAndroidKit(const Kit *kit)
{
    QtSupport::BaseQtVersion *qt = QtSupport::QtKitInformation::qtVersion(kit);
    ToolChain *tc = ToolChainKitInformation::toolChain(kit, ProjectExplorer::Constants::CXX_LANGUAGE_ID);
    if (qt && tc)
        return qt->type() == QLatin1String(Constants::ANDROIDQT)
                && tc->typeId() == Constants::ANDROID_TOOLCHAIN_ID;
    return false;

}

FileName AndroidGdbServerKitInformation::gdbServer(const Kit *kit)
{
    QTC_ASSERT(kit, return FileName());
    return FileName::fromString(kit->value(AndroidGdbServerKitInformation::id()).toString());
}

void AndroidGdbServerKitInformation::setGdbSever(Kit *kit, const FileName &gdbServerCommand)
{
    QTC_ASSERT(kit, return);
    kit->setValue(AndroidGdbServerKitInformation::id(), gdbServerCommand.toString());
}

FileName AndroidGdbServerKitInformation::autoDetect(const Kit *kit)
{
    ToolChain *tc = ToolChainKitInformation::toolChain(kit, ProjectExplorer::Constants::CXX_LANGUAGE_ID);
    if (!tc || tc->typeId() != Constants::ANDROID_TOOLCHAIN_ID)
        return FileName();
    auto atc = static_cast<AndroidToolChain *>(tc);
    return atc->suggestedGdbServer();
}

///////////////
// AndroidGdbServerKitInformationWidget
///////////////


AndroidGdbServerKitInformationWidget::AndroidGdbServerKitInformationWidget(Kit *kit, const KitInformation *ki) :
    KitConfigWidget(kit, ki),
    m_label(new ElidingLabel),
    m_button(new QPushButton(tr("Manage...")))
{
    // ToolButton with Menu, defaulting to 'Autodetect'.
    auto buttonMenu = new QMenu(m_button);
    QAction *autoDetectAction = buttonMenu->addAction(tr("Auto-detect"));
    connect(autoDetectAction, &QAction::triggered,
            this, &AndroidGdbServerKitInformationWidget::autoDetectDebugger);
    QAction *changeAction = buttonMenu->addAction(tr("Edit..."));
    connect(changeAction, &QAction::triggered,
            this, &AndroidGdbServerKitInformationWidget::showDialog);
    m_button->setMenu(buttonMenu);

    refresh();
}

AndroidGdbServerKitInformationWidget::~AndroidGdbServerKitInformationWidget()
{
    delete m_button;
    delete m_label;
}

QString AndroidGdbServerKitInformationWidget::displayName() const
{
    return tr("Android GDB server");
}

QString AndroidGdbServerKitInformationWidget::toolTip() const
{
    return tr("The GDB server to use for this kit.");
}

void AndroidGdbServerKitInformationWidget::makeReadOnly()
{
    m_button->setEnabled(false);
}

void AndroidGdbServerKitInformationWidget::refresh()
{
    m_label->setText(AndroidGdbServerKitInformation::gdbServer(m_kit).toString());
}

bool AndroidGdbServerKitInformationWidget::visibleInKit()
{
    return DeviceKitInformation::deviceId(m_kit) == Constants::ANDROID_DEVICE_ID;
}

QWidget *AndroidGdbServerKitInformationWidget::mainWidget() const
{
    return m_label;
}

QWidget *AndroidGdbServerKitInformationWidget::buttonWidget() const
{
    return m_button;
}

void AndroidGdbServerKitInformationWidget::autoDetectDebugger()
{
    AndroidGdbServerKitInformation::setGdbSever(m_kit, AndroidGdbServerKitInformation::autoDetect(m_kit));
}

void AndroidGdbServerKitInformationWidget::showDialog()
{
    QDialog dialog;
    auto layout = new QVBoxLayout(&dialog);
    auto formLayout = new QFormLayout;
    formLayout->setFieldGrowthPolicy(QFormLayout::AllNonFixedFieldsGrow);

    auto binaryLabel = new QLabel(tr("&Binary:"));
    auto chooser = new PathChooser;
    chooser->setExpectedKind(PathChooser::ExistingCommand);
    chooser->setPath(AndroidGdbServerKitInformation::gdbServer(m_kit).toString());
    binaryLabel->setBuddy(chooser);
    formLayout->addRow(binaryLabel, chooser);
    layout->addLayout(formLayout);

    auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, &dialog);
    connect(buttonBox, &QDialogButtonBox::accepted, &dialog, &QDialog::accept);
    connect(buttonBox, &QDialogButtonBox::rejected, &dialog, &QDialog::reject);
    layout->addWidget(buttonBox);

    dialog.setWindowTitle(tr("GDB Server for \"%1\"").arg(m_kit->displayName()));

    if (dialog.exec() == QDialog::Accepted)
        AndroidGdbServerKitInformation::setGdbSever(m_kit, chooser->fileName());
}

} // namespace Internal
} // namespace Android
