xref: /trunk/main/offapi/com/sun/star/ui/dialogs/XFilePreview.idl (revision a1675a4e)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef __com_sun_star_ui_dialogs_XFilePreview_idl__
#define __com_sun_star_ui_dialogs_XFilePreview_idl__

#ifndef __com_sun_star_uno_XInterface_idl__
#include <com/sun/star/uno/XInterface.idl>
#endif

#ifndef __com_sun_star_util_Color_idl__
#include <com/sun/star/util/Color.idl>
#endif

#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif

//=============================================================================

module com { module sun { module star { module ui { module dialogs {

//=============================================================================
/** FilePicker that support the preview of various file formats should implement
	this interface.
*/

published interface XFilePreview: com::sun::star::uno::XInterface
{
	//-------------------------------------------------------------------------
	/** The method returns all image formats that the preview supports.

		@returns
		A sequence of all supported preview formats

		@see com::sun::star::ui::dialogs::FilePreviewImageFormats
	*/
	sequence< short > getSupportedImageFormats( );

	//-------------------------------------------------------------------------
	/** The method returns the supported color depth of the target device.

		@returns
		The color depth in bit, e.g. 8 bit, 16 bit, 32 bit.
	*/
	com::sun::star::util::Color getTargetColorDepth( );

	//-------------------------------------------------------------------------
	/** The method returns the available width of the preview window
		even if the window is invisible or could not be created.
		If a service implementation doesn't support a file preview
		0 will be returned.

		@returns
		The width of the preview window in pixel.
	*/
	long getAvailableWidth( );

	//-------------------------------------------------------------------------
	/** The method returns the available height of the preview window
		even if the window is invisible or could not be created.
		If a service implementation doesn't support a file preview
		0 will be returned.

		@returns
		The height of the preview window in pixel.
	*/
	long getAvailableHeight( );

	//-------------------------------------------------------------------------
	/** Sets a new image. If the preview is currently hidden the
		image will be ignored. An empty any will clear the preview window.

		@param aImageFormat
		Specifies the format of the data that will be delivered

		@param aImage
		The image data, the image format defines how
		the image data have to be delivered

		@throws com::sun::star::lang::IllegalArgumentException
		If the specified image format is invalid or not
		supported by the preview implementation

		@see com::sun::star::ui::dialogs::FilePreviewImageFormats
	*/
	void setImage( [in] short aImageFormat, [in] any aImage )
		raises( ::com::sun::star::lang::IllegalArgumentException );

	//-------------------------------------------------------------------------
	/** Optionally sets the current show state of the preview. It is possible
		that the preview implementation doesn't support hiding the preview.

		@param bShowState
		A value of <TRUE/> shows the preview window.
		<p>A value of <FALSE/> hides the preview window.</p>

		@returns
		A value of <TRUE/> on success.
		<p>A value of <FALSE/> if the operation fails for any reason or the preview
		implementation doesn't support hiding the preview.</p>
	*/
	boolean setShowState( [in] boolean bShowState );

	//-------------------------------------------------------------------------
	/** Returns the current show state of the preview.

		@returns
		A value of <TRUE/> if the preview window is visible.
		<p>A value of <FALSE/> if the preview window is invisible.</p>
	*/
	boolean getShowState( );
};

//=============================================================================

}; }; }; }; };

#endif