gecko-dev/widget/public/nsIFileWidget.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIFileWidget_h__
#define nsIFileWidget_h__
#include "nsString.h"
#include "nsFileSpec.h"
class nsIWidget;
class nsIDeviceContext;
class nsIAppShell;
class nsIToolkit;
// {F8030015-C342-11d1-97F0-00609703C14E}
#define NS_IFILEWIDGET_IID \
{ 0xf8030015, 0xc342, 0x11d1, { 0x97, 0xf0, 0x0, 0x60, 0x97, 0x3, 0xc1, 0x4e } }
/**
* File selector mode
*/
enum nsFileDlgMode {
/// Load a file or directory
eMode_load,
/// Save a file or directory
eMode_save,
/// Select a fodler/directory
eMode_getfolder
};
enum nsFileDlgResults {
nsFileDlgResults_Cancel, // User hit cancel, ignore selection
nsFileDlgResults_OK, // User hit Ok, process selection
nsFileDlgResults_Replace // User acknowledged file already exists so ok to replace, process selection
};
/**
* File selector widget.
* Modally selects files for loading or saving from a list.
*/
class nsIFileWidget : public nsISupports
{
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFILEWIDGET_IID)
/**
* Create the file filter. This differs from the standard
* widget Create method because it passes in the mode
*
* @param aParent the parent to place this widget into
* @param aTitle The title for the file widget
* @param aMode load or save
* @return void
*
*/
NS_IMETHOD Create(nsIWidget *aParent,
const nsString& aTitle,
nsFileDlgMode aMode,
nsIDeviceContext *aContext = nsnull,
nsIAppShell *aAppShell = nsnull,
nsIToolkit *aToolkit = nsnull,
void *aInitData = nsnull) = 0;
/**
* Set the list of file filters
*
* @param aNumberOfFilter number of filters.
* @param aTitle array of filter titles
* @param aFilter array of filters to associate with titles
* @return void
*
*/
NS_IMETHOD SetFilterList(PRUint32 aNumberOfFilters,const nsString aTitles[],const nsString aFilters[]) = 0;
/**
* Get the index into the filter list for the type of file the user wants to save
*
* @param theType the index into the filter list
* @return void
*
*/
NS_IMETHOD GetSelectedType(PRInt16& theType) = 0;
/**
* Show File Dialog. The dialog is displayed modally.
*
* @return PR_TRUE if user selects OK, PR_FALSE if user selects CANCEL
*
*/
virtual PRBool Show() = 0;
/**
* Get the nsFileSpec for the file or directory.
*
* @param aFile on exit it contains the file or directory selected
*/
NS_IMETHOD GetFile(nsFileSpec& aFile) = 0;
/**
* Set the default string that appears in file open/save dialog
*
* @param aString the name of the file
* @return void
*
*/
NS_IMETHOD SetDefaultString(const nsString& aString) = 0;
/**
* Set the directory that the file open/save dialog initially displays
*
* @param aDirectory the name of the directory
* @return void
*
*/
NS_IMETHOD SetDisplayDirectory(const nsFileSpec& aDirectory) = 0;
/**
* Get the directory that the file open/save dialog was last displaying
*
* @param aDirectory the name of the directory
* @return void
*
*/
NS_IMETHOD GetDisplayDirectory(nsFileSpec& aDirectory) = 0;
virtual nsFileDlgResults GetFile(
nsIWidget * aParent,
const nsString & promptString, // Window title for the dialog
nsFileSpec & theFileSpec) = 0; // Populate with initial path for file dialog
virtual nsFileDlgResults GetFolder(
nsIWidget * aParent,
const nsString & promptString, // Window title for the dialog
nsFileSpec & theFileSpec) = 0; // Populate with initial path for file dialog
virtual nsFileDlgResults PutFile(
nsIWidget * aParent,
const nsString & promptString, // Window title for the dialog
nsFileSpec & theFileSpec) = 0; // Populate with initial path for file dialog
};
#endif // nsIFileWidget_h__