The Tor Browser: dom/plugins/base/nsPluginsDir.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef nsPluginsDir_h_

     7 #define nsPluginsDir_h_

     9 #include "nsError.h"

    10 #include "nsIFile.h"

    12 /**

    13  * nsPluginsDir is nearly obsolete. Directory Service should be used instead.

    14  * It exists for the sake of one static function.

    15  */

    17 class nsPluginsDir {

    18 public:

    19 	/**

    20 	 * Determines whether or not the given file is actually a plugin file.

    21 	 */

    22 	static bool IsPluginFile(nsIFile* file);

    23 };

    25 struct PRLibrary;

    27 struct nsPluginInfo {

    28 	char* fName;				// name of the plugin

    29 	char* fDescription;			// etc.

    30 	uint32_t fVariantCount;

    31 	char** fMimeTypeArray;

    32 	char** fMimeDescriptionArray;

    33 	char** fExtensionArray;

    34 	char* fFileName;

    35 	char* fFullPath;

    36 	char* fVersion;

    37 };

    39 /**

    40  * Provides cross-platform access to a plugin file. Deals with reading

    41  * properties from the plugin file, and loading the plugin's shared

    42  * library. Insulates core nsIPluginHost implementations from these

    43  * details.

    44  */

    45 class nsPluginFile {

    46   PRLibrary* pLibrary;

    47   nsCOMPtr<nsIFile> mPlugin;

    48 public:

    49 	/**

    50 	 * If spec corresponds to a valid plugin file, constructs a reference

    51 	 * to a plugin file on disk. Plugins are typically located using the

    52 	 * nsPluginsDir class.

    53 	 */

    54 	nsPluginFile(nsIFile* spec);

    55 	virtual ~nsPluginFile();

    57 	/**

    58 	 * Loads the plugin into memory using NSPR's shared-library loading

    59 	 * mechanism. Handles platform differences in loading shared libraries.

    60 	 */

    61 	nsresult LoadPlugin(PRLibrary **outLibrary);

    63 	/**

    64 	 * Obtains all of the information currently available for this plugin.

    65 	 * Has a library outparam which will be non-null if a library load was required.

    66 	 */

    67 	nsresult GetPluginInfo(nsPluginInfo &outPluginInfo, PRLibrary **outLibrary);

    69   /**

    70 	 * Should be called after GetPluginInfo to free all allocated stuff

    71 	 */

    72 	nsresult FreePluginInfo(nsPluginInfo &PluginInfo);

    73 };

    75 #endif /* nsPluginsDir_h_ */

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