gecko-dev/xpcom/build/nsXULAppAPI.h

498 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef _nsXULAppAPI_h__
#define _nsXULAppAPI_h__
#include "nsID.h"
#include "xrecore.h"
#include "nsXPCOM.h"
#include "nsISupports.h"
#include "prlog.h"
#include "nsXREAppData.h"
#include "js/TypeDecls.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Assertions.h"
#include "mozilla/Vector.h"
/**
* A directory service key which provides the platform-correct "application
* data" directory as follows, where $name and $vendor are as defined above and
* $vendor is optional:
*
* Windows:
* HOME = Documents and Settings\$USER\Application Data
* UAppData = $HOME[\$vendor]\$name
*
* Unix:
* HOME = ~
* UAppData = $HOME/.[$vendor/]$name
*
* Mac:
* HOME = ~
* UAppData = $HOME/Library/Application Support/$name
*
* Note that the "profile" member above will change the value of UAppData as
* follows:
*
* Windows:
* UAppData = $HOME\$profile
*
* Unix:
* UAppData = $HOME/.$profile
*
* Mac:
* UAppData = $HOME/Library/Application Support/$profile
*/
#define XRE_USER_APP_DATA_DIR "UAppData"
/**
* A directory service key which provides a list of all enabled extension
* directories and files (packed XPIs). 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"
/**
* A directory service key which specifies the profile
* directory. Unlike the NS_APP_USER_PROFILE_50_DIR key, this key may
* be available when the profile hasn't been "started", or after is
* has been shut down. If the application is running without a
* profile, such as when showing the profile manager UI, this key will
* not be available. This key is provided by the XUL apprunner or by
* the aAppDirProvider object passed to XRE_InitEmbedding.
*/
#define NS_APP_PROFILE_DIR_STARTUP "ProfDS"
/**
* A directory service key which specifies the profile
* directory. Unlike the NS_APP_USER_PROFILE_LOCAL_50_DIR key, this key may
* be available when the profile hasn't been "started", or after is
* has been shut down. If the application is running without a
* profile, such as when showing the profile manager UI, this key will
* not be available. This key is provided by the XUL apprunner or by
* the aAppDirProvider object passed to XRE_InitEmbedding.
*/
#define NS_APP_PROFILE_LOCAL_DIR_STARTUP "ProfLDS"
/**
* A directory service key which specifies the system extension
* parent directory containing platform-specific extensions.
* This key may not be available on all platforms.
*/
#define XRE_SYS_LOCAL_EXTENSION_PARENT_DIR "XRESysLExtPD"
/**
* A directory service key which specifies the system extension
* parent directory containing platform-independent extensions.
* This key may not be available on all platforms.
* Additionally, the directory may be equal to that returned by
* XRE_SYS_LOCAL_EXTENSION_PARENT_DIR on some platforms.
*/
#define XRE_SYS_SHARE_EXTENSION_PARENT_DIR "XRESysSExtPD"
/**
* A directory service key which specifies the user system extension
* parent directory.
*/
#define XRE_USER_SYS_EXTENSION_DIR "XREUSysExt"
/**
* A directory service key which specifies the distribution specific files for
* the application.
*/
#define XRE_APP_DISTRIBUTION_DIR "XREAppDist"
/**
* A directory service key which provides the update directory.
* At present this is supported only on Windows.
* Windows: Documents and Settings\<User>\Local Settings\Application Data\
* <Vendor>\<Application>\<relative path to app dir from Program Files>
* If appDir is not under the Program Files, directory service will fail.
* Callers should fallback to appDir.
*/
#define XRE_UPDATE_ROOT_DIR "UpdRootD"
/**
* A directory service key which provides an alternate location
* to UpdRootD to to store large files. This key is currently
* only implemented in the Gonk directory service provider.
*/
#define XRE_UPDATE_ARCHIVE_DIR "UpdArchD"
/**
* A directory service key which provides the directory where an OS update is
* applied.
* At present this is supported only in Gonk.
*/
#define XRE_OS_UPDATE_APPLY_TO_DIR "OSUpdApplyToD"
/**
* Platform flag values for XRE_main.
*
* XRE_MAIN_FLAG_USE_METRO - On Windows, use the winrt backend. Defaults
* to win32 backend.
*/
#define XRE_MAIN_FLAG_USE_METRO 0x01
/**
* Begin an XUL application. Does not return until the user exits the
* application.
*
* @param argc/argv Command-line parameters to pass to the application. On
* Windows, these should be in UTF8. On unix-like platforms
* these are in the "native" character set.
*
* @param aAppData Information about the application to be run.
*
* @param aFlags Platform specific flags.
*
* @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.
*/
XRE_API(int,
XRE_main, (int argc, char* argv[], const nsXREAppData* aAppData,
uint32_t aFlags))
/**
* Given a path relative to the current working directory (or an absolute
* path), return an appropriate nsIFile object.
*
* @note Pass UTF8 strings on Windows... native charset on other platforms.
*/
XRE_API(nsresult,
XRE_GetFileFromPath, (const char* aPath, nsIFile** aResult))
/**
* Get the path of the running application binary and store it in aResult.
* @param aArgv0 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.
*/
XRE_API(nsresult,
XRE_GetBinaryPath, (const char* aArgv0, nsIFile** aResult))
/**
* Get the static module built in to libxul.
*/
XRE_API(const mozilla::Module*,
XRE_GetStaticModule, ())
/**
* Lock a profile directory using platform-specific semantics.
*
* @param aDirectory The profile directory to lock.
* @param aLockObject An opaque lock object. The directory will remain locked
* as long as the XPCOM reference is held.
*/
XRE_API(nsresult,
XRE_LockProfileDirectory, (nsIFile* aDirectory,
nsISupports** aLockObject))
/**
* 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 NS_OS_CURRENT_PROCESS_DIR 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.
*
* @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.
*/
XRE_API(nsresult,
XRE_InitEmbedding2, (nsIFile* aLibXULDirectory,
nsIFile* aAppDirectory,
nsIDirectoryServiceProvider* aAppDirProvider))
/**
* Register static XPCOM component information.
* This method may be called at any time before or after XRE_main or
* XRE_InitEmbedding.
*/
XRE_API(nsresult,
XRE_AddStaticComponent, (const mozilla::Module* aComponent))
/**
* Register XPCOM components found in an array of files/directories.
* This method may be called at any time before or after XRE_main or
* XRE_InitEmbedding.
*
* @param aFiles An array of files or directories.
* @param aFileCount the number of items in the aFiles array.
* @note appdir/components is registered automatically.
*
* NS_COMPONENT_LOCATION specifies a location to search for binary XPCOM
* components as well as component/chrome manifest files.
*
* NS_SKIN_LOCATION specifies a location to search for chrome manifest files
* which are only allowed to register only skin packages and style overlays.
*/
enum NSLocationType
{
NS_COMPONENT_LOCATION,
NS_SKIN_LOCATION,
NS_BOOTSTRAPPED_LOCATION
};
XRE_API(nsresult,
XRE_AddManifestLocation, (NSLocationType aType,
nsIFile* aLocation))
/**
* Register XPCOM components found in a JAR.
* This is similar to XRE_AddManifestLocation except the file specified
* must be a zip archive with a manifest named chrome.manifest
* This method may be called at any time before or after XRE_main or
* XRE_InitEmbedding.
*
* @param aFiles An array of files or directories.
* @param aFileCount the number of items in the aFiles array.
* @note appdir/components is registered automatically.
*
* NS_COMPONENT_LOCATION specifies a location to search for binary XPCOM
* components as well as component/chrome manifest files.
*
* NS_SKIN_LOCATION specifies a location to search for chrome manifest files
* which are only allowed to register only skin packages and style overlays.
*/
XRE_API(nsresult,
XRE_AddJarManifestLocation, (NSLocationType aType,
nsIFile* aLocation))
/**
* Fire notifications to inform the toolkit about a new profile. This
* method should be called after XRE_InitEmbedding if the embedder
* wishes to run with a profile. Normally the embedder should call
* XRE_LockProfileDirectory to lock the directory before calling this
* method.
*
* @note There are two possibilities for selecting a profile:
*
* 1) Select the profile before calling XRE_InitEmbedding. The aAppDirProvider
* object passed to XRE_InitEmbedding should provide the
* NS_APP_USER_PROFILE_50_DIR key, and may also provide the following keys:
* - NS_APP_USER_PROFILE_LOCAL_50_DIR
* - NS_APP_PROFILE_DIR_STARTUP
* - NS_APP_PROFILE_LOCAL_DIR_STARTUP
* In this scenario XRE_NotifyProfile should be called immediately after
* XRE_InitEmbedding. Component registration information will be stored in
* the profile and JS components may be stored in the fastload cache.
*
* 2) Select a profile some time after calling XRE_InitEmbedding. In this case
* the embedder must install a directory service provider which provides
* NS_APP_USER_PROFILE_50_DIR and optionally
* NS_APP_USER_PROFILE_LOCAL_50_DIR. Component registration information
* will be stored in the application directory and JS components will not
* fastload.
*/
XRE_API(void,
XRE_NotifyProfile, ())
/**
* Terminate embedding started with XRE_InitEmbedding or XRE_InitEmbedding2
*/
XRE_API(void,
XRE_TermEmbedding, ())
/**
* Create a new nsXREAppData structure from an application.ini file.
*
* @param aINIFile The application.ini file to parse.
* @param aAppData A newly-allocated nsXREAppData structure. The caller is
* responsible for freeing this structure using
* XRE_FreeAppData.
*/
XRE_API(nsresult,
XRE_CreateAppData, (nsIFile* aINIFile,
nsXREAppData** aAppData))
/**
* Parse an INI file (application.ini or override.ini) into an existing
* nsXREAppData structure.
*
* @param aINIFile The INI file to parse
* @param aAppData The nsXREAppData structure to fill.
*/
XRE_API(nsresult,
XRE_ParseAppData, (nsIFile* aINIFile,
nsXREAppData* aAppData))
/**
* Free a nsXREAppData structure that was allocated with XRE_CreateAppData.
*/
XRE_API(void,
XRE_FreeAppData, (nsXREAppData* aAppData))
enum GeckoProcessType
{
GeckoProcessType_Default = 0,
GeckoProcessType_Plugin,
GeckoProcessType_Content,
GeckoProcessType_IPDLUnitTest,
GeckoProcessType_GMPlugin, // Gecko Media Plugin
GeckoProcessType_End,
GeckoProcessType_Invalid = GeckoProcessType_End
};
static const char* const kGeckoProcessTypeString[] = {
"default",
"plugin",
"tab",
"ipdlunittest",
"geckomediaplugin"
};
static_assert(MOZ_ARRAY_LENGTH(kGeckoProcessTypeString) ==
GeckoProcessType_End,
"Array length mismatch");
XRE_API(const char*,
XRE_ChildProcessTypeToString, (GeckoProcessType aProcessType))
XRE_API(void,
XRE_SetProcessType, (const char* aProcessTypeString))
#if defined(MOZ_CRASHREPORTER)
// Used in the "master" parent process hosting the crash server
XRE_API(bool,
XRE_TakeMinidumpForChild, (uint32_t aChildPid, nsIFile** aDump,
uint32_t* aSequence))
// Used in child processes.
XRE_API(bool,
XRE_SetRemoteExceptionHandler, (const char* aPipe))
#endif
namespace mozilla {
namespace gmp {
class GMPLoader;
} // namespace gmp
} // namepsace mozilla
XRE_API(nsresult,
XRE_InitChildProcess, (int aArgc,
char* aArgv[],
mozilla::gmp::GMPLoader* aGMPLoader))
XRE_API(GeckoProcessType,
XRE_GetProcessType, ())
XRE_API(bool,
XRE_IsParentProcess, ())
typedef void (*MainFunction)(void* aData);
XRE_API(nsresult,
XRE_InitParentProcess, (int aArgc,
char* aArgv[],
MainFunction aMainFunction,
void* aMainFunctionExtraData))
XRE_API(int,
XRE_RunIPDLTest, (int aArgc,
char* aArgv[]))
XRE_API(nsresult,
XRE_RunAppShell, ())
XRE_API(nsresult,
XRE_InitCommandLine, (int aArgc, char* aArgv[]))
XRE_API(nsresult,
XRE_DeinitCommandLine, ())
class MessageLoop;
XRE_API(void,
XRE_ShutdownChildProcess, ())
XRE_API(MessageLoop*,
XRE_GetIOMessageLoop, ())
XRE_API(bool,
XRE_SendTestShellCommand, (JSContext* aCx,
JSString* aCommand,
void* aCallback))
XRE_API(bool,
XRE_ShutdownTestShell, ())
XRE_API(void,
XRE_InstallX11ErrorHandler, ())
XRE_API(void,
XRE_TelemetryAccumulate, (int aID, uint32_t aSample))
XRE_API(void,
XRE_StartupTimelineRecord, (int aEvent, PRTime aWhen))
XRE_API(void,
XRE_InitOmnijar, (nsIFile* aGreOmni,
nsIFile* aAppOmni))
XRE_API(void,
XRE_StopLateWriteChecks, (void))
#ifdef XP_WIN
/**
* Valid environment types for XRE_GetWindowsEnvironment.
*/
enum WindowsEnvironmentType
{
WindowsEnvironmentType_Desktop = 0,
WindowsEnvironmentType_Metro = 1
};
/**
* Retrieve the Windows desktop environment libXUL is running
* under. Valid after a call to XRE_main.
*/
XRE_API(WindowsEnvironmentType,
XRE_GetWindowsEnvironment, ())
#endif // XP_WIN
#ifdef MOZ_B2G_LOADER
XRE_API(int,
XRE_ProcLoaderServiceRun, (pid_t, int, int argc, const char* argv[],
mozilla::Vector<int>& aReservedFds));
XRE_API(void,
XRE_ProcLoaderClientInit, (pid_t, int,
mozilla::Vector<int>& aReservedFds));
XRE_API(void,
XRE_ProcLoaderPreload, (const char* aProgramDir,
const nsXREAppData* aAppData));
#endif // MOZ_B2G_LOADER
XRE_API(int,
XRE_XPCShellMain, (int argc, char** argv, char** envp))
#endif // _nsXULAppAPI_h__