root/Source/platform/FileChooser.h

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#ifndef FileChooser_h
#define FileChooser_h

#include "platform/PlatformExport.h"
#include "wtf/RefCounted.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

class FileChooser;

struct FileChooserFileInfo {
    FileChooserFileInfo(const String& path, const String& displayName = String())
        : path(path)
        , displayName(displayName)
    {
    }

    const String path;
    const String displayName;
};

struct FileChooserSettings {
    bool allowsMultipleFiles;
    bool allowsDirectoryUpload;
    Vector<String> acceptMIMETypes;
    Vector<String> acceptFileExtensions;
    Vector<String> selectedFiles;
#if ENABLE(MEDIA_CAPTURE)
    bool useMediaCapture;
#endif

    // Returns a combined vector of acceptMIMETypes and acceptFileExtensions.
    Vector<String> PLATFORM_EXPORT acceptTypes() const;
};

class PLATFORM_EXPORT FileChooserClient {
public:
    virtual void filesChosen(const Vector<FileChooserFileInfo>&) = 0;
    virtual ~FileChooserClient();

protected:
    FileChooser* newFileChooser(const FileChooserSettings&);

private:
    void discardChooser();

    RefPtr<FileChooser> m_chooser;
};

class PLATFORM_EXPORT FileChooser : public RefCounted<FileChooser> {
public:
    static PassRefPtr<FileChooser> create(FileChooserClient*, const FileChooserSettings&);
    ~FileChooser();

    void disconnectClient() { m_client = 0; }

    void chooseFile(const String& path);
    void chooseFiles(const Vector<String>& paths);

    // FIXME: We should probably just pass file paths that could be virtual paths with proper display names rather than passing structs.
    void chooseFiles(const Vector<FileChooserFileInfo>& files);

    const FileChooserSettings& settings() const { return m_settings; }

private:
    FileChooser(FileChooserClient*, const FileChooserSettings&);

    FileChooserClient* m_client;
    FileChooserSettings m_settings;
};

} // namespace WebCore

#endif // FileChooser_h

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