mozilla
/
gecko-dev
зеркало из https://github.com/mozilla/gecko-dev.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
gecko-dev/toolkit/xre/nsEmbedFunctions.cpp

721 строка
19 KiB
C++
Исходник Ответственный История

/* ***** 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 libXUL embedding.
*
* The Initial Developer of the Original Code is
* Benjamin Smedberg <benjamin@smedbergs.us>
*
* Portions created by the Initial Developer are Copyright (C) 2005
* the Mozilla Foundation. All Rights Reserved.
*
* Contributor(s):
*
* 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 ***** */
#ifdef MOZ_IPC
#include "base/basictypes.h"
#endif
#include "nsXULAppAPI.h"
#include <stdlib.h>
#if defined(MOZ_WIDGET_GTK2)
#include <glib.h>
#endif
#include "prenv.h"
#include "nsIAppShell.h"
#include "nsIAppStartupNotifier.h"
#include "nsIDirectoryService.h"
#include "nsILocalFile.h"
#include "nsIToolkitChromeRegistry.h"
#include "nsIToolkitProfile.h"
#if defined(OS_LINUX)
# define XP_LINUX
#endif
#ifdef XP_WIN
#include <process.h>
#endif
#include "nsAppDirectoryServiceDefs.h"
#include "nsAppRunner.h"
#include "nsAutoRef.h"
#include "nsDirectoryServiceDefs.h"
#include "nsExceptionHandler.h"
#include "nsString.h"
#include "nsThreadUtils.h"
#include "nsWidgetsCID.h"
#include "nsXREDirProvider.h"
#include "mozilla/Omnijar.h"
#ifdef MOZ_IPC
#if defined(XP_MACOSX)
#include "chrome/common/mach_ipc_mac.h"
#endif
#include "nsX11ErrorHandler.h"
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/message_loop.h"
#include "base/process_util.h"
#include "chrome/common/child_process.h"
#include "chrome/common/notification_service.h"
#include "mozilla/ipc/BrowserProcessSubThread.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"
#include "mozilla/ipc/IOThreadChild.h"
#include "mozilla/ipc/ProcessChild.h"
#include "ScopedXREEmbed.h"
#include "mozilla/jetpack/JetpackProcessChild.h"
#include "mozilla/plugins/PluginProcessChild.h"
#include "mozilla/dom/ContentProcess.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/jsipc/ContextWrapperParent.h"
#include "mozilla/ipc/TestShellParent.h"
#include "mozilla/ipc/XPCShellEnvironment.h"
#ifdef MOZ_IPDL_TESTS
#include "mozilla/_ipdltest/IPDLUnitTests.h"
#include "mozilla/_ipdltest/IPDLUnitTestProcessChild.h"
using mozilla::_ipdltest::IPDLUnitTestProcessChild;
#endif // ifdef MOZ_IPDL_TESTS
using mozilla::ipc::BrowserProcessSubThread;
using mozilla::ipc::GeckoChildProcessHost;
using mozilla::ipc::IOThreadChild;
using mozilla::ipc::ProcessChild;
using mozilla::ipc::ScopedXREEmbed;
using mozilla::jetpack::JetpackProcessChild;
using mozilla::plugins::PluginProcessChild;
using mozilla::dom::ContentProcess;
using mozilla::dom::ContentParent;
using mozilla::dom::ContentChild;
using mozilla::jsipc::PContextWrapperParent;
using mozilla::jsipc::ContextWrapperParent;
using mozilla::ipc::TestShellParent;
using mozilla::ipc::TestShellCommandParent;
using mozilla::ipc::XPCShellEnvironment;
using mozilla::startup::sChildProcessType;
#endif
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
#ifdef XP_WIN
static const PRUnichar kShellLibraryName[] = L"shell32.dll";
#endif
nsresult
XRE_LockProfileDirectory(nsILocalFile* aDirectory,
nsISupports* *aLockObject)
{
nsCOMPtr<nsIProfileLock> lock;
nsresult rv = NS_LockProfilePath(aDirectory, nsnull, nsnull,
getter_AddRefs(lock));
if (NS_SUCCEEDED(rv))
NS_ADDREF(*aLockObject = lock);
return rv;
}
static PRInt32 sInitCounter;
nsresult
XRE_InitEmbedding2(nsILocalFile *aLibXULDirectory,
nsILocalFile *aAppDirectory,
nsIDirectoryServiceProvider *aAppDirProvider)
{
// Initialize some globals to make nsXREDirProvider happy
static char* kNullCommandLine[] = { nsnull };
gArgv = kNullCommandLine;
gArgc = 0;
NS_ENSURE_ARG(aLibXULDirectory);
if (++sInitCounter > 1) // XXXbsmedberg is this really the right solution?
return NS_OK;
if (!aAppDirectory)
aAppDirectory = aLibXULDirectory;
nsresult rv;
new nsXREDirProvider; // This sets gDirServiceProvider
if (!gDirServiceProvider)
return NS_ERROR_OUT_OF_MEMORY;
rv = gDirServiceProvider->Initialize(aAppDirectory, aLibXULDirectory,
aAppDirProvider);
if (NS_FAILED(rv))
return rv;
rv = NS_InitXPCOM2(nsnull, aAppDirectory, gDirServiceProvider);
if (NS_FAILED(rv))
return rv;
// We do not need to autoregister components here. The CheckCompatibility()
// bits in nsAppRunner.cpp check for an invalidation flag in
// compatibility.ini.
// If the app wants to autoregister every time (for instance, if it's debug),
// it can do so after we return from this function.
nsCOMPtr<nsIObserver> startupNotifier
(do_CreateInstance(NS_APPSTARTUPNOTIFIER_CONTRACTID));
if (!startupNotifier)
return NS_ERROR_FAILURE;
startupNotifier->Observe(nsnull, APPSTARTUP_TOPIC, nsnull);
return NS_OK;
}
void
XRE_NotifyProfile()
{
NS_ASSERTION(gDirServiceProvider, "XRE_InitEmbedding was not called!");
gDirServiceProvider->DoStartup();
}
void
XRE_TermEmbedding()
{
if (--sInitCounter != 0)
return;
NS_ASSERTION(gDirServiceProvider,
"XRE_TermEmbedding without XRE_InitEmbedding");
gDirServiceProvider->DoShutdown();
NS_ShutdownXPCOM(nsnull);
delete gDirServiceProvider;
}
const char*
XRE_ChildProcessTypeToString(GeckoProcessType aProcessType)
{
return (aProcessType < GeckoProcessType_End) ?
kGeckoProcessTypeString[aProcessType] : nsnull;
}
GeckoProcessType
XRE_StringToChildProcessType(const char* aProcessTypeString)
{
for (int i = 0;
i < (int) NS_ARRAY_LENGTH(kGeckoProcessTypeString);
++i) {
if (!strcmp(kGeckoProcessTypeString[i], aProcessTypeString)) {
return static_cast<GeckoProcessType>(i);
}
}
return GeckoProcessType_Invalid;
}
#ifdef MOZ_IPC
namespace mozilla {
namespace startup {
GeckoProcessType sChildProcessType = GeckoProcessType_Default;
}
}
#if defined(MOZ_CRASHREPORTER)
// FIXME/bug 539522: this out-of-place function is stuck here because
// IPDL wants access to this crashreporter interface, and
// crashreporter is built in such a way to make that awkward
PRBool
XRE_TakeMinidumpForChild(PRUint32 aChildPid, nsILocalFile** aDump)
{
return CrashReporter::TakeMinidumpForChild(aChildPid, aDump);
}
PRBool
XRE_SetRemoteExceptionHandler(const char* aPipe/*= 0*/)
{
#if defined(XP_WIN) || defined(XP_MACOSX)
return CrashReporter::SetRemoteExceptionHandler(nsDependentCString(aPipe));
#elif defined(OS_LINUX)
return CrashReporter::SetRemoteExceptionHandler();
#else
# error "OOP crash reporter unsupported on this platform"
#endif
}
#endif // if defined(MOZ_CRASHREPORTER)
#if defined(XP_WIN)
void
SetTaskbarGroupId(const nsString& aId)
{
typedef HRESULT (WINAPI * SetCurrentProcessExplicitAppUserModelIDPtr)(PCWSTR AppID);
SetCurrentProcessExplicitAppUserModelIDPtr funcAppUserModelID = nsnull;
HMODULE hDLL = ::LoadLibraryW(kShellLibraryName);
funcAppUserModelID = (SetCurrentProcessExplicitAppUserModelIDPtr)
GetProcAddress(hDLL, "SetCurrentProcessExplicitAppUserModelID");
if (!funcAppUserModelID) {
::FreeLibrary(hDLL);
return;
}
if (FAILED(funcAppUserModelID(aId.get()))) {
NS_WARNING("SetCurrentProcessExplicitAppUserModelID failed for child process.");
}
if (hDLL)
::FreeLibrary(hDLL);
}
#endif
nsresult
XRE_InitChildProcess(int aArgc,
char* aArgv[],
GeckoProcessType aProcess)
{
NS_ENSURE_ARG_MIN(aArgc, 2);
NS_ENSURE_ARG_POINTER(aArgv);
NS_ENSURE_ARG_POINTER(aArgv[0]);
sChildProcessType = aProcess;
// Complete 'task_t' exchange for Mac OS X. This structure has the same size
// regardless of architecture so we don't have any cross-arch issues here.
#ifdef XP_MACOSX
if (aArgc < 1)
return 1;
const char* const mach_port_name = aArgv[--aArgc];
const int kTimeoutMs = 1000;
MachSendMessage child_message(0);
if (!child_message.AddDescriptor(mach_task_self())) {
NS_WARNING("child AddDescriptor(mach_task_self()) failed.");
return 1;
}
ReceivePort child_recv_port;
mach_port_t raw_child_recv_port = child_recv_port.GetPort();
if (!child_message.AddDescriptor(raw_child_recv_port)) {
NS_WARNING("Adding descriptor to message failed");
return 1;
}
MachPortSender child_sender(mach_port_name);
kern_return_t err = child_sender.SendMessage(child_message, kTimeoutMs);
if (err != KERN_SUCCESS) {
NS_WARNING("child SendMessage() failed");
return 1;
}
MachReceiveMessage parent_message;
err = child_recv_port.WaitForMessage(&parent_message, kTimeoutMs);
if (err != KERN_SUCCESS) {
NS_WARNING("child WaitForMessage() failed");
return 1;
}
if (parent_message.GetTranslatedPort(0) == MACH_PORT_NULL) {
NS_WARNING("child GetTranslatedPort(0) failed");
return 1;
}
err = task_set_bootstrap_port(mach_task_self(),
parent_message.GetTranslatedPort(0));
if (err != KERN_SUCCESS) {
NS_WARNING("child task_set_bootstrap_port() failed");
return 1;
}
#endif
#if defined(MOZ_CRASHREPORTER)
if (aArgc < 1)
return 1;
const char* const crashReporterArg = aArgv[--aArgc];
# if defined(XP_WIN) || defined(XP_MACOSX)
// on windows and mac, |crashReporterArg| is the named pipe on which the
// server is listening for requests, or "-" if crash reporting is
// disabled.
if (0 != strcmp("-", crashReporterArg)
&& !XRE_SetRemoteExceptionHandler(crashReporterArg))
return 1;
# elif defined(OS_LINUX)
// on POSIX, |crashReporterArg| is "true" if crash reporting is
// enabled, false otherwise
if (0 != strcmp("false", crashReporterArg)
&& !XRE_SetRemoteExceptionHandler(NULL))
return 1;
# else
# error "OOP crash reporting unsupported on this platform"
# endif
#endif // if defined(MOZ_CRASHREPORTER)
gArgv = aArgv;
gArgc = aArgc;
SetupErrorHandling(aArgv[0]);
#if defined(MOZ_WIDGET_GTK2)
g_thread_init(NULL);
#endif
if (PR_GetEnv("MOZ_DEBUG_CHILD_PROCESS")) {
#ifdef OS_POSIX
printf("\n\nCHILDCHILDCHILDCHILD\n debug me @%d\n\n", getpid());
sleep(30);
#elif defined(OS_WIN)
printf("\n\nCHILDCHILDCHILDCHILD\n debug me @%d\n\n", _getpid());
Sleep(30000);
#endif
}
// child processes launched by GeckoChildProcessHost get this magic
// argument appended to their command lines
const char* const parentPIDString = aArgv[aArgc-1];
NS_ABORT_IF_FALSE(parentPIDString, "NULL parent PID");
--aArgc;
char* end = 0;
base::ProcessId parentPID = strtol(parentPIDString, &end, 10);
NS_ABORT_IF_FALSE(!*end, "invalid parent PID");
base::ProcessHandle parentHandle;
bool ok = base::OpenProcessHandle(parentPID, &parentHandle);
NS_ABORT_IF_FALSE(ok, "can't open handle to parent");
#if defined(XP_WIN)
// On Win7+, register the application user model id passed in by
// parent. This insures windows created by the container properly
// group with the parent app on the Win7 taskbar.
const char* const appModelUserId = aArgv[aArgc-1];
--aArgc;
if (appModelUserId) {
// '-' implies no support
if (*appModelUserId != '-') {
nsString appId;
appId.AssignWithConversion(nsDependentCString(appModelUserId));
// The version string is encased in quotes
appId.Trim(NS_LITERAL_CSTRING("\"").get());
// Set the id
SetTaskbarGroupId(appId);
}
}
#endif
base::AtExitManager exitManager;
NotificationService notificationService;
NS_LogInit();
int rv = XRE_InitCommandLine(aArgc, aArgv);
if (NS_FAILED(rv)) {
NS_LogTerm();
return NS_ERROR_FAILURE;
}
MessageLoop::Type uiLoopType;
switch (aProcess) {
case GeckoProcessType_Content:
// Content processes need the XPCOM/chromium frankenventloop
uiLoopType = MessageLoop::TYPE_MOZILLA_CHILD;
break;
default:
uiLoopType = MessageLoop::TYPE_UI;
break;
}
{
// This is a lexical scope for the MessageLoop below. We want it
// to go out of scope before NS_LogTerm() so that we don't get
// spurious warnings about XPCOM objects being destroyed from a
// static context.
// Associate this thread with a UI MessageLoop
MessageLoop uiMessageLoop(uiLoopType);
{
nsAutoPtr<ProcessChild> process;
switch (aProcess) {
case GeckoProcessType_Default:
NS_RUNTIMEABORT("This makes no sense");
break;
case GeckoProcessType_Plugin:
process = new PluginProcessChild(parentHandle);
break;
case GeckoProcessType_Content:
process = new ContentProcess(parentHandle);
break;
case GeckoProcessType_Jetpack:
process = new JetpackProcessChild(parentHandle);
break;
case GeckoProcessType_IPDLUnitTest:
#ifdef MOZ_IPDL_TESTS
process = new IPDLUnitTestProcessChild(parentHandle);
#else
NS_RUNTIMEABORT("rebuild with --enable-ipdl-tests");
#endif
break;
default:
NS_RUNTIMEABORT("Unknown main thread class");
}
if (!process->Init()) {
NS_LogTerm();
return NS_ERROR_FAILURE;
}
// Run the UI event loop on the main thread.
uiMessageLoop.MessageLoop::Run();
// Allow ProcessChild to clean up after itself before going out of
// scope and being deleted
process->CleanUp();
#ifdef MOZ_OMNIJAR
mozilla::SetOmnijar(nsnull);
#endif
}
}
NS_LogTerm();
return XRE_DeinitCommandLine();
}
MessageLoop*
XRE_GetIOMessageLoop()
{
if (sChildProcessType == GeckoProcessType_Default) {
return BrowserProcessSubThread::GetMessageLoop(BrowserProcessSubThread::IO);
}
return IOThreadChild::message_loop();
}
namespace {
class MainFunctionRunnable : public nsRunnable
{
public:
NS_DECL_NSIRUNNABLE
MainFunctionRunnable(MainFunction aFunction,
void* aData)
: mFunction(aFunction),
mData(aData)
{
NS_ASSERTION(aFunction, "Don't give me a null pointer!");
}
private:
MainFunction mFunction;
void* mData;
};
} /* anonymous namespace */
NS_IMETHODIMP
MainFunctionRunnable::Run()
{
mFunction(mData);
return NS_OK;
}
nsresult
XRE_InitParentProcess(int aArgc,
char* aArgv[],
MainFunction aMainFunction,
void* aMainFunctionData)
{
NS_ENSURE_ARG_MIN(aArgc, 1);
NS_ENSURE_ARG_POINTER(aArgv);
NS_ENSURE_ARG_POINTER(aArgv[0]);
gArgc = aArgc;
gArgv = aArgv;
int rv = XRE_InitCommandLine(gArgc, gArgv);
if (NS_FAILED(rv))
return NS_ERROR_FAILURE;
ScopedXREEmbed embed;
{
embed.Start();
nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
if (aMainFunction) {
nsCOMPtr<nsIRunnable> runnable =
new MainFunctionRunnable(aMainFunction, aMainFunctionData);
NS_ENSURE_TRUE(runnable, NS_ERROR_OUT_OF_MEMORY);
nsresult rv = NS_DispatchToCurrentThread(runnable);
NS_ENSURE_SUCCESS(rv, rv);
}
// Do event loop
if (NS_FAILED(appShell->Run())) {
NS_WARNING("Failed to run appshell");
return NS_ERROR_FAILURE;
}
}
return XRE_DeinitCommandLine();
}
#ifdef MOZ_IPDL_TESTS
//-----------------------------------------------------------------------------
// IPDL unit test
int
XRE_RunIPDLTest(int aArgc, char** aArgv)
{
if (aArgc < 2) {
fprintf(stderr, "TEST-UNEXPECTED-FAIL | <---> | insufficient #args, need at least 2\n");
return 1;
}
void* data = reinterpret_cast<void*>(aArgv[aArgc-1]);
nsresult rv =
XRE_InitParentProcess(
--aArgc, aArgv, mozilla::_ipdltest::IPDLUnitTestMain, data);
NS_ENSURE_SUCCESS(rv, 1);
return 0;
}
#endif // ifdef MOZ_IPDL_TESTS
nsresult
XRE_RunAppShell()
{
nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
return appShell->Run();
}
template<>
struct RunnableMethodTraits<ContentChild>
{
static void RetainCallee(ContentChild* obj) { }
static void ReleaseCallee(ContentChild* obj) { }
};
void
XRE_ShutdownChildProcess()
{
NS_ABORT_IF_FALSE(MessageLoopForUI::current(), "Wrong thread!");
MessageLoop* ioLoop = XRE_GetIOMessageLoop();
NS_ABORT_IF_FALSE(!!ioLoop, "Bad shutdown order");
// Quit() sets off the following chain of events
// (1) UI loop starts quitting
// (2) UI loop returns from Run() in XRE_InitChildProcess()
// (3) ProcessChild goes out of scope and terminates the IO thread
// (4) ProcessChild joins the IO thread
// (5) exit()
MessageLoop::current()->Quit();
}
namespace {
TestShellParent* gTestShellParent = nsnull;
TestShellParent* GetOrCreateTestShellParent()
{
if (!gTestShellParent) {
ContentParent* parent = ContentParent::GetSingleton();
NS_ENSURE_TRUE(parent, nsnull);
gTestShellParent = parent->CreateTestShell();
NS_ENSURE_TRUE(gTestShellParent, nsnull);
}
return gTestShellParent;
}
}
bool
XRE_SendTestShellCommand(JSContext* aCx,
JSString* aCommand,
void* aCallback)
{
TestShellParent* tsp = GetOrCreateTestShellParent();
NS_ENSURE_TRUE(tsp, false);
nsDependentString command((PRUnichar*)JS_GetStringChars(aCommand),
JS_GetStringLength(aCommand));
if (!aCallback) {
return tsp->SendExecuteCommand(command);
}
TestShellCommandParent* callback = static_cast<TestShellCommandParent*>(
tsp->SendPTestShellCommandConstructor(command));
NS_ENSURE_TRUE(callback, false);
jsval callbackVal = *reinterpret_cast<jsval*>(aCallback);
NS_ENSURE_TRUE(callback->SetCallback(aCx, callbackVal), false);
return true;
}
bool
XRE_GetChildGlobalObject(JSContext* aCx, JSObject** aGlobalP)
{
TestShellParent* tsp = GetOrCreateTestShellParent();
return tsp && tsp->GetGlobalJSObject(aCx, aGlobalP);
}
bool
XRE_ShutdownTestShell()
{
if (!gTestShellParent)
return true;
return ContentParent::GetSingleton()->DestroyTestShell(gTestShellParent);
}
#ifdef MOZ_X11
void
XRE_InstallX11ErrorHandler()
{
InstallX11ErrorHandler();
}
#endif
#endif // MOZ_IPC
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку