gecko-dev/toolkit/xre/nsXULAppAPI.h

259 lines
8.9 KiB
C

/* -*- Mode: C++; tab-width: 2; 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) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brian Ryner <bryner@brianryner.com>
* Benjamin Smedberg <bsmedberg@covad.net>
*
* 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
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef _nsXULAppAPI_h__
#define _nsXULAppAPI_h__
#include "prtypes.h"
#include "nsID.h"
#include "nscore.h"
#include "nsXPCOM.h"
// XXXbsmedberg - eventually we're going to freeze the XULAPI
// symbols, and we don't want every consumer to define MOZ_ENABLE_LIBXUL.
// Reverse the logic so that those who aren't using libxul have to do the
// work.
#ifdef MOZ_ENABLE_LIBXUL
#ifdef IMPL_XULAPI
#define XULAPI NS_EXPORT
#else
#define XULAPI NS_IMPORT
#endif
#else
#define XULAPI
#endif
/**
* Application-specific data needed to start the apprunner.
*
* @status UNDER_REVIEW - This API is under review to be frozen, but isn't
* frozen yet. Use with caution.
*/
struct nsXREAppData
{
/**
* This should be set to sizeof(nsXREAppData). This structure may be
* extended in future releases, and this ensures that binary compatibility
* is maintained.
*/
PRUint32 size;
/**
* The directory of the application to be run. May be null if the
* xulrunner and the app are installed into the same directory.
*/
nsILocalFile* directory;
/**
* The name of the application vendor. This must be ASCII, and is normally
* mixed-case, e.g. "Mozilla". Optional (may be null), but highly
* recommended. Must not be the empty string.
*/
const char *vendor;
/**
* The name of the application. This must be ASCII, and is normally
* mixed-case, e.g. "Firefox". Required (must not be null or an empty
* string).
*/
const char *name;
/**
* The major version, e.g. "0.8.0+". Optional (may be null), but
* required for advanced application features such as the extension
* manager and update service. Must not be the empty string.
*/
const char *version;
/**
* The application's build identifier, e.g. "2004051604"
*/
const char *buildID;
/**
* The application's UUID. Used by the extension manager to determine
* compatible extensions. Optional, but required for advanced application
* features such as the extension manager and update service.
*
* This has traditionally been in the form
* "{AAAAAAAA-BBBB-CCCC-DDDD-EEEEEEEEEEEE}" but for new applications
* a more readable form is encouraged: "appname@vendor.tld". Only
* the following characters are allowed: a-z A-Z 0-9 - . @ _ { } *
*/
const char *ID;
/**
* The copyright information to print for the -h commandline flag,
* e.g. "Copyright (c) 2003 mozilla.org".
*/
const char *copyright;
/**
* Combination of NS_XRE_ prefixed flags (defined below).
*/
PRUint32 flags;
};
/**
* Indicates whether or not the profile migrator service may be
* invoked at startup when creating a profile.
*/
#define NS_XRE_ENABLE_PROFILE_MIGRATOR (1 << 1)
/**
* Indicates whether or not the extension manager service should be
* initialized at startup.
*/
#define NS_XRE_ENABLE_EXTENSION_MANAGER (1 << 2)
/**
* The contract id for the nsIXULAppInfo service.
*/
#define XULAPPINFO_SERVICE_CONTRACTID \
"@mozilla.org/xre/app-info;1"
/**
* A directory service key which provides the platform-correct
* "application data" directory.
* Windows: Documents and Settings\<User>\Application Data\<Vendor>\<Application>
* Unix: ~/.<vendor>/<application>
* Mac: ~/Library/Application Supports/<Application>
*/
#define XRE_USER_APP_DATA_DIR "UAppData"
/**
* A directory service key which provides a list of all enabled extension
* directories. The list includes compatible platform-specific extension
* subdirectories.
*
* @note The directory list will have no members when the application is
* launched in safe mode.
*/
#define XRE_EXTENSIONS_DIR_LIST "XREExtDL"
/**
* A directory service key which provides the executable file used to
* launch the current process. This is the same value returned by the
* XRE_GetBinaryPath function defined below.
*/
#define XRE_EXECUTABLE_FILE "XREExeF"
/**
* Begin an XUL application. Does not return until the user exits the
* application.
*
* @param argc/argv Command-line parameters to pass to the application. These
* are in the "native" character set.
*
* @param aAppData Information about the application to be run.
*
* @return A native result code suitable for returning from main().
*
* @note If the binary is linked against the standalone XPCOM glue,
* XPCOMGlueStartup() should be called before this method.
*
* @note XXXbsmedberg Nobody uses the glue yet, but there is a
* potential problem: on windows, the standalone glue calls
* SetCurrentDirectory, and relative paths on the command line
* won't be correct.
*/
extern "C" XULAPI int
XRE_main(int argc, char* argv[],
const nsXREAppData* aAppData);
/**
* Given a path relative to the current working directory (or an absolute
* path), return an appropriate nsILocalFile object.
*/
extern "C" XULAPI nsresult
XRE_GetFileFromPath(const char *aPath, nsILocalFile* *aResult);
/**
* Get the path of the running application binary and store it in aResult.
* @param argv0 The value passed as argv[0] of main(). This value is only
* used on *nix, and only when other methods of determining
* the binary path have failed.
*/
extern "C" XULAPI nsresult
XRE_GetBinaryPath(const char *argv0, nsILocalFile* *aResult);
/**
* Get the static components built in to libxul.
*/
extern "C" XULAPI void
XRE_GetStaticComponents(nsStaticModuleInfo const **aStaticComponents,
PRUint32 *aComponentCount);
/**
* Initialize libXUL for embedding purposes.
*
* @param aLibXULDirectory The directory in which the libXUL shared library
* was found.
* @param aAppDirectory The directory in which the application components
* and resources can be found. This will map to
* the "resource:app" directory service key.
* @param aAppDirProvider A directory provider for the application. This
* provider will be aggregated by a libxul provider
* which will provide the base required GRE keys.
* @param aStaticComponents Static components provided by the embedding
* application. This should *not* include the
* components from XRE_GetStaticComponents. May be
* null if there are no static components.
* @param aStaticComponentCount the number of static components in
* aStaticComponents
*
* @note This function must be called from the "main" thread.
*
* @note At the present time, this function may only be called once in
* a given process. Use XRE_TermEmbedding to clean up and free
* resources allocated by XRE_InitEmbedding.
*/
extern "C" XULAPI nsresult
XRE_InitEmbedding(nsILocalFile *aLibXULDirectory,
nsILocalFile *aAppDirectory,
nsIDirectoryServiceProvider *aAppDirProvider = nsnull,
nsStaticModuleInfo const *aStaticComponents = nsnull,
PRUint32 aStaticComponentCount = 0);
extern "C" XULAPI void
XRE_TermEmbedding();
#endif // _nsXULAppAPI_h__