qt-everywhere-src-5.14.1/qtwebengine/src/core/download_manager_delegate_qt.h

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#ifndef DOWNLOAD_MANAGER_DELEGATE_QT_H
#define DOWNLOAD_MANAGER_DELEGATE_QT_H

#include "content/public/browser/download_manager_delegate.h"
#include <base/memory/weak_ptr.h>

#include <QtGlobal>

namespace base {
class FilePath;
}

namespace content {
class BrowserContext;
class WebContents;
}

namespace download {
class DownloadItem;
}

namespace QtWebEngineCore {
class ProfileAdapter;
class DownloadManagerDelegateInstance;
class DownloadTargetHelper;

class DownloadManagerDelegateQt
        : public content::DownloadManagerDelegate
        , public download::DownloadItem::Observer
{
public:
    DownloadManagerDelegateQt(ProfileAdapter *profileAdapter);
    ~DownloadManagerDelegateQt();
    void GetNextId(const content::DownloadIdCallback& callback) override;

    bool DetermineDownloadTarget(download::DownloadItem* item,
                                 const content::DownloadTargetCallback& callback) override;

    void GetSaveDir(content::BrowserContext* browser_context,
                    base::FilePath* website_save_dir,
                    base::FilePath* download_save_dir,
                    bool* skip_dir_check) override;
    void ChooseSavePath(content::WebContents *web_contents,
                        const base::FilePath &suggested_path,
                        const base::FilePath::StringType &default_extension,
                        bool can_save_as_complete,
                        const content::SavePackagePathPickedCallback &callback) override;
    bool IsMostRecentDownloadItemAtFilePath(download::DownloadItem* download) override;


    void cancelDownload(quint32 downloadId);
    void pauseDownload(quint32 downloadId);
    void resumeDownload(quint32 downloadId);
    void removeDownload(quint32 downloadId);

    void markNextDownloadAsUserRequested() { m_nextDownloadIsUserRequested = true; }

    // Inherited from content::DownloadItem::Observer
    void OnDownloadUpdated(download::DownloadItem *download) override;
    void OnDownloadDestroyed(download::DownloadItem *download) override;

private:
    void cancelDownload(const content::DownloadTargetCallback& callback);
    download::DownloadItem *findDownloadById(quint32 downloadId);
    void savePackageDownloadCreated(download::DownloadItem *download);
    ProfileAdapter *m_profileAdapter;

    uint32_t m_currentId;
    base::WeakPtrFactory<DownloadManagerDelegateQt> m_weakPtrFactory;
    bool m_nextDownloadIsUserRequested;

    friend class DownloadManagerDelegateInstance;
    friend class ProfileAdapter;
    DISALLOW_COPY_AND_ASSIGN(DownloadManagerDelegateQt);
};

} // namespace QtWebEngineCore

#endif //DOWNLOAD_MANAGER_DELEGATE_QT_H