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104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsPluginsDir_h___
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#define nsPluginsDir_h___
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#include "nsError.h"
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#include "nsFileSpec.h"
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/**
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* Provides a cross-platform way to obtain the location of the plugins
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* directory. Once constructed, can be used with nsDirectoryIterator to
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* scan the plugins directory. An nsPluginFileSpec can be constructed from the
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* nsFileSpec returned by the iterator.
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*/
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/* Where to seek for plugins dir */
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#define PLUGINS_DIR_LOCATION_AUTO 0
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#define PLUGINS_DIR_LOCATION_MOZ_LOCAL 1
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#define PLUGINS_DIR_LOCATION_4DOTX 2
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#define PLUGINS_DIR_LOCATION_MAC_OLD 3
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class nsPluginsDir : public nsFileSpec {
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public:
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/**
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* Locates the plugins directory in a platform-dependent manner.
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*/
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nsPluginsDir(PRUint16 location = PLUGINS_DIR_LOCATION_AUTO);
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virtual ~nsPluginsDir();
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/**
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* Determines whether or not the given file is actually a plugin file.
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*/
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PRBool IsPluginFile(const nsFileSpec& fileSpec);
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};
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struct PRLibrary;
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struct nsPluginInfo {
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PRUint32 fPluginInfoSize; // indicates how large the structure is currently.
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char* fName; // name of the plugin
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char* fDescription; // etc.
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PRUint32 fVariantCount;
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char** fMimeTypeArray;
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char** fMimeDescriptionArray;
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char** fExtensionArray;
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char* fFileName;
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};
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/**
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* Provides cross-platform access to a plugin file. Deals with reading
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* properties from the plugin file, and loading the plugin's shared
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* library. Insulates core nsIPluginHost implementations from these
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* details.
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*/
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class nsPluginFile : public nsFileSpec {
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PRLibrary* pLibrary;
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public:
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/**
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* If spec corresponds to a valid plugin file, constructs a reference
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* to a plugin file on disk. Plugins are typically located using the
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* nsPluginsDir class.
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*/
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nsPluginFile(const nsFileSpec& spec);
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virtual ~nsPluginFile();
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/**
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* Loads the plugin into memory using NSPR's shared-library loading
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* mechanism. Handles platform differences in loading shared libraries.
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*/
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nsresult LoadPlugin(PRLibrary* &outLibrary);
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/**
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* Obtains all of the information currently available for this plugin.
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*/
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nsresult GetPluginInfo(nsPluginInfo &outPluginInfo);
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/**
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* Should be called after GetPluginInfo to free all allocated stuff
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*/
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nsresult FreePluginInfo(nsPluginInfo &PluginInfo);
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};
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#endif /* nsPluginsDir_h___ */
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