gecko-dev/dom/plugins/base/nsPluginsDir.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
#ifndef nsPluginsDir_h_
#define nsPluginsDir_h_
#include "nsError.h"
#include "nsIFile.h"
/**
* nsPluginsDir is nearly obsolete. Directory Service should be used instead.
* It exists for the sake of one static function.
*/
class nsPluginsDir {
public:
/**
* Determines whether or not the given file is actually a plugin file.
*/
static PRBool IsPluginFile(nsIFile* file);
};
struct PRLibrary;
struct nsPluginInfo {
char* fName; // name of the plugin
char* fDescription; // etc.
PRUint32 fVariantCount;
char** fMimeTypeArray;
char** fMimeDescriptionArray;
char** fExtensionArray;
char* fFileName;
char* fFullPath;
char* fVersion;
};
/**
* Provides cross-platform access to a plugin file. Deals with reading
* properties from the plugin file, and loading the plugin's shared
* library. Insulates core nsIPluginHost implementations from these
* details.
*/
class nsPluginFile {
PRLibrary* pLibrary;
nsCOMPtr<nsIFile> mPlugin;
public:
/**
* If spec corresponds to a valid plugin file, constructs a reference
* to a plugin file on disk. Plugins are typically located using the
* nsPluginsDir class.
*/
nsPluginFile(nsIFile* spec);
virtual ~nsPluginFile();
/**
* Loads the plugin into memory using NSPR's shared-library loading
* mechanism. Handles platform differences in loading shared libraries.
*/
nsresult LoadPlugin(PRLibrary **outLibrary);
/**
* Obtains all of the information currently available for this plugin.
* Has a library outparam which will be non-null if a library load was required.
*/
nsresult GetPluginInfo(nsPluginInfo &outPluginInfo, PRLibrary **outLibrary);
/**
* Should be called after GetPluginInfo to free all allocated stuff
*/
nsresult FreePluginInfo(nsPluginInfo &PluginInfo);
};
#endif /* nsPluginsDir_h_ */