// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#pragma once

#include "progressmanager.h"

#include <QFutureWatcher>
#include <QList>
#include <QGraphicsOpacityEffect>
#include <QHBoxLayout>
#include <QLabel>
#include <QPointer>
#include <QPropertyAnimation>
#include <QToolButton>

namespace Core {

class StatusBarWidget;

namespace Internal {

class ProgressBar;
class ProgressView;

class ProgressManagerPrivate : public Core::ProgressManager
{
    Q_OBJECT
public:
    ProgressManagerPrivate();
    ~ProgressManagerPrivate() override;
    void init();
    void cleanup();

    FutureProgress *doAddTask(const QFuture<void> &future, const QString &title, Utils::Id type,
                            ProgressFlags flags);

    void doSetApplicationLabel(const QString &text);
    ProgressView *progressView();

public slots:
    void doCancelTasks(Utils::Id type);

protected:
    bool eventFilter(QObject *obj, QEvent *event) override;

private:
    void taskFinished(QFutureWatcher<void> *task);
    void cancelAllRunningTasks();
    void setApplicationProgressRange(int min, int max);
    void setApplicationProgressValue(int value);
    void setApplicationProgressVisible(bool visible);
    void disconnectApplicationTask();
    void updateSummaryProgressBar();
    void fadeAwaySummaryProgress();
    void summaryProgressFinishedFading();
    void progressDetailsToggled(bool checked);
    void updateVisibility();
    void updateVisibilityWithDelay();
    void updateStatusDetailsWidget();

    void readSettings();
    void initInternal();
    void stopFadeOfSummaryProgress();

    bool hasError() const;
    bool isLastFading() const;

    void removeOldTasks(Utils::Id type, bool keepOne = false);
    void removeOneOldTask();
    void removeTask(FutureProgress *task);
    void deleteTask(FutureProgress *task);
    void updateApplicationLabelNow();

    QPointer<ProgressView> m_progressView;
    QList<FutureProgress *> m_taskList;
    QHash<QFutureWatcher<void> *, Utils::Id> m_runningTasks;
    QFutureWatcher<void> *m_applicationTask = nullptr;
    StatusBarWidget *m_statusBarWidgetContainer;
    QWidget *m_statusBarWidget;
    QWidget *m_summaryProgressWidget;
    QHBoxLayout *m_statusDetailsWidgetLayout = nullptr;
    QWidget *m_currentStatusDetailsWidget = nullptr;
    QPointer<FutureProgress> m_currentStatusDetailsProgress;
    QLabel *m_statusDetailsLabel = nullptr;
    ProgressBar *m_summaryProgressBar;
    QGraphicsOpacityEffect *m_opacityEffect;
    QPointer<QPropertyAnimation> m_opacityAnimation;
    bool m_progressViewPinned = false;
    bool m_hovered = false;
    QTimer *m_appLabelUpdateTimer = nullptr;
    QString m_appLabelText;
};

} // namespace Internal
} // namespace Core
