Carla/source/modules/juce_gui_basics/filebrowser/juce_FilePreviewComponent.h

/*
  ==============================================================================

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2017 - ROLI Ltd.

   You may use this code under the terms of the GPL v3
   (see www.gnu.org/licenses).

   For this technical preview, this file is not subject to commercial licensing.

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

namespace juce
{

//==============================================================================
/**
    Base class for components that live inside a file chooser dialog box and
    show previews of the files that get selected.

    One of these allows special extra information to be displayed for files
    in a dialog box as the user selects them. Each time the current file or
    directory is changed, the selectedFileChanged() method will be called
    to allow it to update itself appropriately.

    @see FileChooser, ImagePreviewComponent

    @tags{GUI}
*/
class JUCE_API  FilePreviewComponent  : public Component
{
public:
    //==============================================================================
    /** Creates a FilePreviewComponent. */
    FilePreviewComponent();

    /** Destructor. */
    ~FilePreviewComponent() override;

    /** Called to indicate that the user's currently selected file has changed.

        @param newSelectedFile  the newly selected file or directory, which may be
                                a default File() object if none is selected.
    */
    virtual void selectedFileChanged (const File& newSelectedFile) = 0;


private:
    //==============================================================================
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FilePreviewComponent)
};

} // namespace juce