summaryrefslogtreecommitdiff
path: root/xpcom/build/nsXULAppAPI.h
blob: 18ccca415894d0a111dbc9f05c596a14e1ec8c88 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
/* -*- Mode: C++; tab-width: 8; 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 "mozilla/Logging.h"
#include "nsXREAppData.h"
#include "js/TypeDecls.h"

#include "mozilla/ArrayUtils.h"
#include "mozilla/Assertions.h"
#include "mozilla/Vector.h"
#include "mozilla/TimeStamp.h"
#include "XREChildData.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"

#if defined(XP_UNIX)
/**
 * Directory service keys for the system-wide and user-specific
 * directories where host manifests used by the WebExtensions
 * native messaging feature are found.
 */
#define XRE_SYS_NATIVE_MESSAGING_MANIFESTS "XRESysNativeMessaging"
#define XRE_USER_NATIVE_MESSAGING_MANIFESTS "XREUserNativeMessaging"
#endif

/**
 * 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 specifies the location for system add-ons.
 */
#define XRE_APP_FEATURES_DIR "XREAppFeat"

/**
 * A directory service key which specifies the location for app dir add-ons.
 * Should be a synonym for XCurProcD everywhere except in tests.
 */
#define XRE_ADDON_APP_DIR "XREAddonAppDir"

/**
 * A directory service key which provides the update directory. Callers should
 * fall back to appDir.
 * Windows:    If vendor name exists:
 *             Documents and Settings\<User>\Local Settings\Application Data\
 *             <vendor name>\updates\
 *             <hash of the path to XRE_EXECUTABLE_FILE’s parent directory>
 *
 *             If vendor name doesn't exist, but product name exists:
 *             Documents and Settings\<User>\Local Settings\Application Data\
 *             <product name>\updates\
 *             <hash of the path to XRE_EXECUTABLE_FILE’s parent directory>
 *
 *             If neither vendor nor product name exists:
 *               If app dir is under Program Files:
 *               Documents and Settings\<User>\Local Settings\Application Data\
 *               <relative path to app dir from Program Files>
 *
 *               If app dir isn’t under Program Files:
 *               Documents and Settings\<User>\Local Settings\Application Data\
 *               <MOZ_APP_NAME>
 *
 * Mac:        ~/Library/Caches/Mozilla/updates/<absolute path to app dir>
 *
 * Gonk:       /data/local
 *
 * All others: Parent directory of XRE_EXECUTABLE_FILE.
 */
#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"

/**
 * 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_APP_LOCATION specifies a location to search for binary XPCOM
 * components as well as component/chrome manifest files.
 *
 * NS_EXTENSION_LOCATION excludes binary XPCOM components but allows other
 * manifest instructions.
 *
 * 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_APP_LOCATION,
  NS_EXTENSION_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_GPU,      // GPU and compositor process

  GeckoProcessType_End,
  GeckoProcessType_Invalid = GeckoProcessType_End
};

static const char* const kGeckoProcessTypeString[] = {
  "default",
  "plugin",
  "tab",
  "ipdlunittest",
  "geckomediaplugin",
  "gpu"
};

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))

namespace mozilla {
namespace gmp {
class GMPLoader;
} // namespace gmp
} // namespace mozilla

XRE_API(nsresult,
        XRE_InitChildProcess, (int aArgc,
                               char* aArgv[],
                               const XREChildData* aChildData))

XRE_API(GeckoProcessType,
        XRE_GetProcessType, ())

XRE_API(bool,
        XRE_IsParentProcess, ())

XRE_API(bool,
        XRE_IsContentProcess, ())

XRE_API(bool,
        XRE_IsGPUProcess, ())

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_StartupTimelineRecord, (int aEvent, mozilla::TimeStamp aWhen))

XRE_API(void,
        XRE_InitOmnijar, (nsIFile* aGreOmni,
                          nsIFile* aAppOmni))
XRE_API(void,
        XRE_StopLateWriteChecks, (void))

XRE_API(void,
        XRE_EnableSameExecutableForContentProc, ())

XRE_API(int,
        XRE_XPCShellMain, (int argc, char** argv, char** envp))

#if MOZ_WIDGET_GTK == 2
XRE_API(void,
        XRE_GlibInit, ())
#endif


#ifdef LIBFUZZER
#include "LibFuzzerRegistry.h"

XRE_API(void,
        XRE_LibFuzzerSetMain, (int, char**, LibFuzzerMain))

XRE_API(void,
        XRE_LibFuzzerGetFuncs, (const char*, LibFuzzerInitFunc*,
                                LibFuzzerTestingFunc*))
#endif // LIBFUZZER

#endif // _nsXULAppAPI_h__