Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifdef MOZ_WIDGET_GTK
#include <gtk/gtk.h>
#endif
#include "ContentChild.h"
#include "BlobChild.h"
#include "CrashReporterChild.h"
#include "GeckoProfiler.h"
#include "TabChild.h"
#include "HandlerServiceChild.h"
#include "mozilla/Attributes.h"
#include "mozilla/LookAndFeel.h"
#include "mozilla/Preferences.h"
#include "mozilla/ProcessHangMonitorIPC.h"
#include "mozilla/Unused.h"
#include "mozilla/devtools/HeapSnapshotTempFileHelperChild.h"
#include "mozilla/docshell/OfflineCacheUpdateChild.h"
#include "mozilla/dom/ContentBridgeChild.h"
#include "mozilla/dom/ContentBridgeParent.h"
#include "mozilla/dom/VideoDecoderManagerChild.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DataTransfer.h"
#include "mozilla/dom/DOMStorageIPC.h"
#include "mozilla/dom/ExternalHelperAppChild.h"
#include "mozilla/dom/FlyWebPublishedServerIPC.h"
#include "mozilla/dom/GetFilesHelper.h"
#include "mozilla/dom/PCrashReporterChild.h"
#include "mozilla/dom/ProcessGlobal.h"
#include "mozilla/dom/PushNotifier.h"
#include "mozilla/dom/workers/ServiceWorkerManager.h"
#include "mozilla/dom/nsIContentChild.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/psm/PSMContentListener.h"
#include "mozilla/hal_sandbox/PHalChild.h"
#include "mozilla/ipc/BackgroundChild.h"
#include "mozilla/ipc/FileDescriptorSetChild.h"
#include "mozilla/ipc/FileDescriptorUtils.h"
#include "mozilla/ipc/GeckoChildProcessHost.h"
#include "mozilla/ipc/ProcessChild.h"
#include "mozilla/ipc/PSendStreamChild.h"
#include "mozilla/ipc/TestShellChild.h"
#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
#include "mozilla/layers/APZChild.h"
#include "mozilla/layers/CompositorBridgeChild.h"
#include "mozilla/layers/ContentProcessController.h"
#include "mozilla/layers/ImageBridgeChild.h"
#include "mozilla/layout/RenderFrameChild.h"
#include "mozilla/net/NeckoChild.h"
#include "mozilla/net/CaptivePortalService.h"
#include "mozilla/plugins/PluginInstanceParent.h"
#include "mozilla/plugins/PluginModuleParent.h"
#include "mozilla/widget/WidgetMessageUtils.h"
#include "nsBaseDragService.h"
#include "mozilla/media/MediaChild.h"
#include "mozilla/BasePrincipal.h"
#include "mozilla/WebBrowserPersistDocumentChild.h"
#include "imgLoader.h"
#include "GMPServiceChild.h"
#include "mozilla/Unused.h"
#include "mozInlineSpellChecker.h"
#include "nsDocShell.h"
#include "nsIConsoleListener.h"
#include "nsICycleCollectorListener.h"
#include "nsIIdlePeriod.h"
#include "nsIDragService.h"
#include "nsIIPCBackgroundChildCreateCallback.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIMemoryReporter.h"
#include "nsIMemoryInfoDumper.h"
#include "nsIMutable.h"
#include "nsIObserverService.h"
#include "nsIScriptSecurityManager.h"
#include "nsScreenManagerProxy.h"
#include "nsMemoryInfoDumper.h"
#include "nsServiceManagerUtils.h"
#include "nsStyleSheetService.h"
#include "nsVariant.h"
#include "nsXULAppAPI.h"
#include "nsIScriptError.h"
#include "nsIConsoleService.h"
#include "nsJSEnvironment.h"
#include "SandboxHal.h"
#include "nsDebugImpl.h"
#include "nsHashPropertyBag.h"
#include "nsLayoutStylesheetCache.h"
#include "nsThreadManager.h"
#include "nsAnonymousTemporaryFile.h"
#include "nsISpellChecker.h"
#include "nsClipboardProxy.h"
#include "nsDirectoryService.h"
#include "nsDirectoryServiceUtils.h"
#include "nsDirectoryServiceDefs.h"
#include "nsContentPermissionHelper.h"
#ifdef NS_PRINTING
#include "nsPrintingProxy.h"
#endif
#include "IHistory.h"
#include "nsNetUtil.h"
#include "base/message_loop.h"
#include "base/process_util.h"
#include "base/task.h"
#include "nsChromeRegistryContent.h"
#include "nsFrameMessageManager.h"
#include "nsIGeolocationProvider.h"
#include "mozilla/dom/PMemoryReportRequestChild.h"
#include "mozilla/dom/PCycleCollectWithLogsChild.h"
#include "nsIScriptSecurityManager.h"
#include "nsHostObjectProtocolHandler.h"
#ifdef MOZ_WEBRTC
#include "signaling/src/peerconnection/WebrtcGlobalChild.h"
#endif
#ifdef MOZ_PERMISSIONS
#include "nsPermission.h"
#include "nsPermissionManager.h"
#endif
#include "PermissionMessageUtils.h"
#if defined(MOZ_WIDGET_ANDROID)
#include "APKOpen.h"
#endif
#if defined(MOZ_WIDGET_GONK)
#include "nsVolume.h"
#include "nsVolumeService.h"
#include "SpeakerManagerService.h"
#endif
#ifdef XP_WIN
#include <process.h>
#define getpid _getpid
#include "mozilla/widget/AudioSession.h"
#endif
#ifdef MOZ_X11
#include "mozilla/X11Util.h"
#endif
#ifdef ACCESSIBILITY
#include "nsAccessibilityService.h"
#endif
#include "mozilla/dom/File.h"
#include "mozilla/dom/PPresentationChild.h"
#include "mozilla/dom/PresentationIPCService.h"
#include "mozilla/ipc/InputStreamUtils.h"
#ifdef MOZ_WEBSPEECH
#include "mozilla/dom/PSpeechSynthesisChild.h"
#endif
#include "ProcessUtils.h"
#include "URIUtils.h"
#include "nsContentUtils.h"
#include "nsIPrincipal.h"
#include "DomainPolicy.h"
#include "mozilla/dom/ipc/StructuredCloneData.h"
#include "mozilla/dom/time/DateCacheCleaner.h"
#include "mozilla/net/NeckoMessageUtils.h"
#include "mozilla/widget/PuppetBidiKeyboard.h"
#include "mozilla/RemoteSpellCheckEngineChild.h"
#include "GMPServiceChild.h"
#include "gfxPlatform.h"
#include "nscore.h" // for NS_FREE_PERMANENT_DATA
#include "VRManagerChild.h"
using namespace mozilla;
using namespace mozilla::docshell;
using namespace mozilla::dom::ipc;
using namespace mozilla::dom::workers;
using namespace mozilla::media;
using namespace mozilla::embedding;
using namespace mozilla::gmp;
using namespace mozilla::hal_sandbox;
using namespace mozilla::ipc;
using namespace mozilla::layers;
using namespace mozilla::layout;
using namespace mozilla::net;
using namespace mozilla::jsipc;
using namespace mozilla::psm;
using namespace mozilla::widget;
#if defined(MOZ_WIDGET_GONK)
using namespace mozilla::system;
#endif
using namespace mozilla::widget;
namespace mozilla {
namespace dom {
class MemoryReportRequestChild : public PMemoryReportRequestChild,
public nsIRunnable
{
public:
NS_DECL_ISUPPORTS
MemoryReportRequestChild(bool aAnonymize,
const MaybeFileDesc& aDMDFile);
NS_IMETHOD Run() override;
private:
virtual ~MemoryReportRequestChild();
bool mAnonymize;
FileDescriptor mDMDFile;
};
NS_IMPL_ISUPPORTS(MemoryReportRequestChild, nsIRunnable)
MemoryReportRequestChild::MemoryReportRequestChild(
bool aAnonymize, const MaybeFileDesc& aDMDFile)
: mAnonymize(aAnonymize)
{
MOZ_COUNT_CTOR(MemoryReportRequestChild);
if (aDMDFile.type() == MaybeFileDesc::TFileDescriptor) {
mDMDFile = aDMDFile.get_FileDescriptor();
}
}
MemoryReportRequestChild::~MemoryReportRequestChild()
{
MOZ_COUNT_DTOR(MemoryReportRequestChild);
}
// IPC sender for remote GC/CC logging.
class CycleCollectWithLogsChild final
: public PCycleCollectWithLogsChild
, public nsICycleCollectorLogSink
{
public:
NS_DECL_ISUPPORTS
CycleCollectWithLogsChild(const FileDescriptor& aGCLog,
const FileDescriptor& aCCLog)
{
mGCLog = FileDescriptorToFILE(aGCLog, "w");
mCCLog = FileDescriptorToFILE(aCCLog, "w");
}
NS_IMETHOD Open(FILE** aGCLog, FILE** aCCLog) override
{
if (NS_WARN_IF(!mGCLog) || NS_WARN_IF(!mCCLog)) {
return NS_ERROR_FAILURE;
}
*aGCLog = mGCLog;
*aCCLog = mCCLog;
return NS_OK;
}
NS_IMETHOD CloseGCLog() override
{
MOZ_ASSERT(mGCLog);
fclose(mGCLog);
mGCLog = nullptr;
SendCloseGCLog();
return NS_OK;
}
NS_IMETHOD CloseCCLog() override
{
MOZ_ASSERT(mCCLog);
fclose(mCCLog);
mCCLog = nullptr;
SendCloseCCLog();
return NS_OK;
}
NS_IMETHOD GetFilenameIdentifier(nsAString& aIdentifier) override
{
return UnimplementedProperty();
}
NS_IMETHOD SetFilenameIdentifier(const nsAString& aIdentifier) override
{
return UnimplementedProperty();
}
NS_IMETHOD GetProcessIdentifier(int32_t *aIdentifier) override
{
return UnimplementedProperty();
}
NS_IMETHOD SetProcessIdentifier(int32_t aIdentifier) override
{
return UnimplementedProperty();
}
NS_IMETHOD GetGcLog(nsIFile** aPath) override
{
return UnimplementedProperty();
}
NS_IMETHOD GetCcLog(nsIFile** aPath) override
{
return UnimplementedProperty();
}
private:
~CycleCollectWithLogsChild()
{
if (mGCLog) {
fclose(mGCLog);
mGCLog = nullptr;
}
if (mCCLog) {
fclose(mCCLog);
mCCLog = nullptr;
}
// The XPCOM refcount drives the IPC lifecycle; see also
// DeallocPCycleCollectWithLogsChild.
Unused << Send__delete__(this);
}
nsresult UnimplementedProperty()
{
MOZ_ASSERT(false, "This object is a remote GC/CC logger;"
" this property isn't meaningful.");
return NS_ERROR_UNEXPECTED;
}
FILE* mGCLog;
FILE* mCCLog;
};
NS_IMPL_ISUPPORTS(CycleCollectWithLogsChild, nsICycleCollectorLogSink);
class AlertObserver
{
public:
AlertObserver(nsIObserver *aObserver, const nsString& aData)
: mObserver(aObserver)
, mData(aData)
{
}
~AlertObserver() {}
bool ShouldRemoveFrom(nsIObserver* aObserver,
const nsString& aData) const
{
return (mObserver == aObserver && mData == aData);
}
bool Observes(const nsString& aData) const
{
return mData.Equals(aData);
}
bool Notify(const nsCString& aType) const
{
mObserver->Observe(nullptr, aType.get(), mData.get());
return true;
}
private:
nsCOMPtr<nsIObserver> mObserver;
nsString mData;
};
class ConsoleListener final : public nsIConsoleListener
{
public:
explicit ConsoleListener(ContentChild* aChild)
: mChild(aChild) {}
NS_DECL_ISUPPORTS
NS_DECL_NSICONSOLELISTENER
private:
~ConsoleListener() {}
ContentChild* mChild;
friend class ContentChild;
};
NS_IMPL_ISUPPORTS(ConsoleListener, nsIConsoleListener)
// Before we send the error to the parent process (which
// involves copying the memory), truncate any long lines. CSS
// errors in particular share the memory for long lines with
// repeated errors, but the IPC communication we're about to do
// will break that sharing, so we better truncate now.
static void
TruncateString(nsAString& aString)
{
if (aString.Length() > 1000) {
aString.Truncate(1000);
}
}
NS_IMETHODIMP
ConsoleListener::Observe(nsIConsoleMessage* aMessage)
{
if (!mChild) {
return NS_OK;
}
nsCOMPtr<nsIScriptError> scriptError = do_QueryInterface(aMessage);
if (scriptError) {
nsAutoString msg, sourceName, sourceLine;
nsXPIDLCString category;
uint32_t lineNum, colNum, flags;
nsresult rv = scriptError->GetErrorMessage(msg);
NS_ENSURE_SUCCESS(rv, rv);
TruncateString(msg);
rv = scriptError->GetSourceName(sourceName);
NS_ENSURE_SUCCESS(rv, rv);
TruncateString(sourceName);
rv = scriptError->GetSourceLine(sourceLine);
NS_ENSURE_SUCCESS(rv, rv);
TruncateString(sourceLine);
rv = scriptError->GetCategory(getter_Copies(category));
NS_ENSURE_SUCCESS(rv, rv);
rv = scriptError->GetLineNumber(&lineNum);
NS_ENSURE_SUCCESS(rv, rv);
rv = scriptError->GetColumnNumber(&colNum);
NS_ENSURE_SUCCESS(rv, rv);
rv = scriptError->GetFlags(&flags);
NS_ENSURE_SUCCESS(rv, rv);
mChild->SendScriptError(msg, sourceName, sourceLine,
lineNum, colNum, flags, category);
return NS_OK;
}
nsXPIDLString msg;
nsresult rv = aMessage->GetMessageMoz(getter_Copies(msg));
NS_ENSURE_SUCCESS(rv, rv);
mChild->SendConsoleMessage(msg);
return NS_OK;
}
class BackgroundChildPrimer final :
public nsIIPCBackgroundChildCreateCallback
{
public:
BackgroundChildPrimer()
{ }
NS_DECL_ISUPPORTS
private:
~BackgroundChildPrimer()
{ }
virtual void
ActorCreated(PBackgroundChild* aActor) override
{
MOZ_ASSERT(aActor, "Failed to create a PBackgroundChild actor!");
}
virtual void
ActorFailed() override
{
MOZ_CRASH("Failed to create a PBackgroundChild actor!");
}
};
NS_IMPL_ISUPPORTS(BackgroundChildPrimer, nsIIPCBackgroundChildCreateCallback)
ContentChild* ContentChild::sSingleton;
ContentChild::ContentChild()
: mID(uint64_t(-1))
#if defined(XP_WIN) && defined(ACCESSIBILITY)
, mMsaaID(0)
#endif
, mCanOverrideProcessName(true)
, mIsAlive(true)
, mShuttingDown(false)
{
// This process is a content process, so it's clearly running in
// multiprocess mode!
nsDebugImpl::SetMultiprocessMode("Child");
}
ContentChild::~ContentChild()
{
#ifndef NS_FREE_PERMANENT_DATA
NS_RUNTIMEABORT("Content Child shouldn't be destroyed.");
#endif
}
NS_INTERFACE_MAP_BEGIN(ContentChild)
NS_INTERFACE_MAP_ENTRY(nsIContentChild)
NS_INTERFACE_MAP_ENTRY(nsIWindowProvider)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIContentChild)
NS_INTERFACE_MAP_END
bool
ContentChild::Init(MessageLoop* aIOLoop,
base::ProcessId aParentPid,
IPC::Channel* aChannel)
{
#ifdef MOZ_WIDGET_GTK
// We need to pass a display down to gtk_init because it's not going to
// use the one from the environment on its own when deciding which backend
// to use, and when starting under XWayland, it may choose to start with
// the wayland backend instead of the x11 backend.
// The DISPLAY environment variable is normally set by the parent process.
char* display_name = PR_GetEnv("DISPLAY");
if (display_name) {
int argc = 3;
char option_name[] = "--display";
char* argv[] = {
// argv0 is unused because g_set_prgname() was called in
// XRE_InitChildProcess().
nullptr,
option_name,
display_name,
nullptr
};
char** argvp = argv;
gtk_init(&argc, &argvp);
} else {
gtk_init(nullptr, nullptr);
}
#endif
#ifdef MOZ_X11
// Do this after initializing GDK, or GDK will install its own handler.
XRE_InstallX11ErrorHandler();
#endif
NS_ASSERTION(!sSingleton, "only one ContentChild per child");
// Once we start sending IPC messages, we need the thread manager to be
// initialized so we can deal with the responses. Do that here before we
// try to construct the crash reporter.
nsresult rv = nsThreadManager::get().Init();
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
if (!Open(aChannel, aParentPid, aIOLoop)) {
return false;
}
sSingleton = this;
// If communications with the parent have broken down, take the process
// down so it's not hanging around.
GetIPCChannel()->SetAbortOnError(true);
#if defined(XP_WIN) && defined(ACCESSIBILITY)
GetIPCChannel()->SetChannelFlags(MessageChannel::REQUIRE_A11Y_REENTRY);
#endif
#ifdef MOZ_X11
// Send the parent our X socket to act as a proxy reference for our X
// resources.
int xSocketFd = ConnectionNumber(DefaultXDisplay());
SendBackUpXResources(FileDescriptor(xSocketFd));
#endif
SendGetProcessAttributes(&mID, &mIsForApp, &mIsForBrowser);
InitProcessAttributes();
#ifdef NS_PRINTING
// Force the creation of the nsPrintingProxy so that it's IPC counterpart,
// PrintingParent, is always available for printing initiated from the parent.
RefPtr<nsPrintingProxy> printingProxy = nsPrintingProxy::GetInstance();
#endif
return true;
}
void
ContentChild::InitProcessAttributes()
{
#ifdef MOZ_WIDGET_GONK
if (mIsForApp && !mIsForBrowser) {
SetProcessName(NS_LITERAL_STRING("(Preallocated app)"), false);
} else {
SetProcessName(NS_LITERAL_STRING("Browser"), false);
}
#else
SetProcessName(NS_LITERAL_STRING("Web Content"), true);
#endif
}
void
ContentChild::SetProcessName(const nsAString& aName, bool aDontOverride)
{
if (!mCanOverrideProcessName) {
return;
}
char* name;
if ((name = PR_GetEnv("MOZ_DEBUG_APP_PROCESS")) &&
aName.EqualsASCII(name)) {
#ifdef OS_POSIX
printf_stderr("\n\nCHILDCHILDCHILDCHILD\n [%s] debug me @%d\n\n", name,
getpid());
sleep(30);
#elif defined(OS_WIN)
// Windows has a decent JIT debugging story, so NS_DebugBreak does the
// right thing.
NS_DebugBreak(NS_DEBUG_BREAK,
"Invoking NS_DebugBreak() to debug child process",
nullptr, __FILE__, __LINE__);
#endif
}
mProcessName = aName;
mozilla::ipc::SetThisProcessName(NS_LossyConvertUTF16toASCII(aName).get());
if (aDontOverride) {
mCanOverrideProcessName = false;
}
}
NS_IMETHODIMP
ContentChild::ProvideWindow(mozIDOMWindowProxy* aParent,
uint32_t aChromeFlags,
bool aCalledFromJS,
bool aPositionSpecified,
bool aSizeSpecified,
nsIURI* aURI,
const nsAString& aName,
const nsACString& aFeatures,
bool aForceNoOpener,
bool* aWindowIsNew,
mozIDOMWindowProxy** aReturn)
{
return ProvideWindowCommon(nullptr, aParent, false, aChromeFlags,
aCalledFromJS, aPositionSpecified,
aSizeSpecified, aURI, aName, aFeatures,
aForceNoOpener, aWindowIsNew, aReturn);
}
nsresult
ContentChild::ProvideWindowCommon(TabChild* aTabOpener,
mozIDOMWindowProxy* aParent,
bool aIframeMoz,
uint32_t aChromeFlags,
bool aCalledFromJS,
bool aPositionSpecified,
bool aSizeSpecified,
nsIURI* aURI,
const nsAString& aName,
const nsACString& aFeatures,
bool aForceNoOpener,
bool* aWindowIsNew,
mozIDOMWindowProxy** aReturn)
{
*aReturn = nullptr;
nsAutoPtr<IPCTabContext> ipcContext;
TabId openerTabId = TabId(0);
if (aTabOpener) {
PopupIPCTabContext context;
openerTabId = aTabOpener->GetTabId();
context.opener() = openerTabId;
context.isMozBrowserElement() = aTabOpener->IsMozBrowserElement();
ipcContext = new IPCTabContext(context);
} else {
// It's possible to not have a TabChild opener in the case
// of ServiceWorker::OpenWindow.
UnsafeIPCTabContext unsafeTabContext;
ipcContext = new IPCTabContext(unsafeTabContext);
}
MOZ_ASSERT(ipcContext);
TabId tabId;
SendAllocateTabId(openerTabId,
*ipcContext,
GetID(),
&tabId);
TabContext newTabContext = aTabOpener ? *aTabOpener : TabContext();
RefPtr<TabChild> newChild = new TabChild(this, tabId,
newTabContext, aChromeFlags);
if (NS_FAILED(newChild->Init())) {
return NS_ERROR_ABORT;
}
if (aTabOpener) {
MOZ_ASSERT(ipcContext->type() == IPCTabContext::TPopupIPCTabContext);
ipcContext->get_PopupIPCTabContext().opener() = aTabOpener;
}
Unused << SendPBrowserConstructor(
// We release this ref in DeallocPBrowserChild
RefPtr<TabChild>(newChild).forget().take(),
tabId, *ipcContext, aChromeFlags,
GetID(), IsForApp(), IsForBrowser());
nsString name(aName);
nsAutoCString features(aFeatures);
nsTArray<FrameScriptInfo> frameScripts;
nsCString urlToLoad;
PRenderFrameChild* renderFrame = newChild->SendPRenderFrameConstructor();
TextureFactoryIdentifier textureFactoryIdentifier;
uint64_t layersId = 0;
if (aIframeMoz) {
MOZ_ASSERT(aTabOpener);
nsAutoCString url;
if (aURI) {
aURI->GetSpec(url);
} else {
// We can't actually send a nullptr up as the URI, since IPDL doesn't let us
// send nullptr's for primitives. We indicate that the nsString for the URI
// should be converted to a nullptr by voiding the string.
url.SetIsVoid(true);
}
newChild->SendBrowserFrameOpenWindow(aTabOpener, renderFrame, NS_ConvertUTF8toUTF16(url),
name, NS_ConvertUTF8toUTF16(features),
aWindowIsNew, &textureFactoryIdentifier,
&layersId);
} else {
nsAutoCString baseURIString;
if (aTabOpener) {
auto* opener = nsPIDOMWindowOuter::From(aParent);
nsCOMPtr<nsIDocument> doc = opener->GetDoc();
nsCOMPtr<nsIURI> baseURI = doc->GetDocBaseURI();
if (!baseURI) {
NS_ERROR("nsIDocument didn't return a base URI");
return NS_ERROR_FAILURE;
}
baseURI->GetSpec(baseURIString);
}
auto* opener = nsPIDOMWindowOuter::From(aParent);
nsIDocShell* openerShell;
RefPtr<nsDocShell> openerDocShell;
float fullZoom = 1.0f;
if (opener && (openerShell = opener->GetDocShell())) {
openerDocShell = static_cast<nsDocShell*>(openerShell);
nsCOMPtr<nsIContentViewer> cv;
openerDocShell->GetContentViewer(getter_AddRefs(cv));
if (cv) {
cv->GetFullZoom(&fullZoom);
}
}
nsresult rv;
if (!SendCreateWindow(aTabOpener, newChild, renderFrame,
aChromeFlags, aCalledFromJS, aPositionSpecified,
aSizeSpecified,
features,
baseURIString,
openerDocShell
? openerDocShell->GetOriginAttributes()
: DocShellOriginAttributes(),
fullZoom,
&rv,
aWindowIsNew,
&frameScripts,
&urlToLoad,
&textureFactoryIdentifier,
&layersId)) {
PRenderFrameChild::Send__delete__(renderFrame);
return NS_ERROR_NOT_AVAILABLE;
}
if (NS_FAILED(rv)) {
PRenderFrameChild::Send__delete__(renderFrame);
return rv;
}
}
if (!*aWindowIsNew) {
PRenderFrameChild::Send__delete__(renderFrame);
return NS_ERROR_ABORT;
}
if (layersId == 0) { // if renderFrame is invalid.
PRenderFrameChild::Send__delete__(renderFrame);
renderFrame = nullptr;
}
ShowInfo showInfo(EmptyString(), false, false, true, false, 0, 0, 0);
auto* opener = nsPIDOMWindowOuter::From(aParent);
nsIDocShell* openerShell;
if (opener && (openerShell = opener->GetDocShell())) {
nsCOMPtr<nsILoadContext> context = do_QueryInterface(openerShell);
showInfo = ShowInfo(EmptyString(), false,
context->UsePrivateBrowsing(), true, false,
aTabOpener->mDPI, aTabOpener->mRounding,
aTabOpener->mDefaultScale);
}
// Set the opener window for this window before we start loading the document
// inside of it. We have to do this before loading the remote scripts, because
// they can poke at the document and cause the nsDocument to be created before
// the openerwindow
nsCOMPtr<mozIDOMWindowProxy> windowProxy = do_GetInterface(newChild->WebNavigation());
if (!aForceNoOpener && windowProxy && aParent) {
nsPIDOMWindowOuter* outer = nsPIDOMWindowOuter::From(windowProxy);
nsPIDOMWindowOuter* parent = nsPIDOMWindowOuter::From(aParent);
outer->SetOpenerWindow(parent, *aWindowIsNew);
}
// Unfortunately we don't get a window unless we've shown the frame. That's
// pretty bogus; see bug 763602.
newChild->DoFakeShow(textureFactoryIdentifier, layersId, renderFrame,
showInfo);
for (size_t i = 0; i < frameScripts.Length(); i++) {
FrameScriptInfo& info = frameScripts[i];
if (!newChild->RecvLoadRemoteScript(info.url(), info.runInGlobalScope())) {
MOZ_CRASH();
}
}
if (!urlToLoad.IsEmpty()) {
newChild->RecvLoadURL(urlToLoad, showInfo);
}
nsCOMPtr<mozIDOMWindowProxy> win = do_GetInterface(newChild->WebNavigation());
win.forget(aReturn);
return NS_OK;
}
void
ContentChild::GetProcessName(nsAString& aName) const
{
aName.Assign(mProcessName);
}
bool
ContentChild::IsAlive() const
{
return mIsAlive;
}
bool
ContentChild::IsShuttingDown() const
{
return mShuttingDown;
}
void
ContentChild::GetProcessName(nsACString& aName) const
{
aName.Assign(NS_ConvertUTF16toUTF8(mProcessName));
}
/* static */ void
ContentChild::AppendProcessId(nsACString& aName)
{
if (!aName.IsEmpty()) {
aName.Append(' ');
}
unsigned pid = getpid();
aName.Append(nsPrintfCString("(pid %u)", pid));
}
void
ContentChild::InitGraphicsDeviceData()
{
// Initialize the graphics platform. This may contact the parent process
// to read device preferences.
gfxPlatform::GetPlatform();
}
void
ContentChild::InitXPCOM()
{
// Do this as early as possible to get the parent process to initialize the
// background thread since we'll likely need database information very soon.
BackgroundChild::Startup();
nsCOMPtr<nsIIPCBackgroundChildCreateCallback> callback =
new BackgroundChildPrimer();
if (!BackgroundChild::GetOrCreateForCurrentThread(callback)) {
MOZ_CRASH("Failed to create PBackgroundChild!");
}
BlobChild::Startup(BlobChild::FriendKey());
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
if (!svc) {
NS_WARNING("Couldn't acquire console service");
return;
}
mConsoleListener = new ConsoleListener(this);
if (NS_FAILED(svc->RegisterListener(mConsoleListener)))
NS_WARNING("Couldn't register console listener for child process");
bool isOffline, isLangRTL, haveBidiKeyboards;
bool isConnected;
ClipboardCapabilities clipboardCaps;
DomainPolicyClone domainPolicy;
StructuredCloneData initialData;
OptionalURIParams userContentSheetURL;
int32_t captivePortalState;
SendGetXPCOMProcessAttributes(&isOffline, &isConnected, &captivePortalState,
&isLangRTL, &haveBidiKeyboards,
&mAvailableDictionaries,
&clipboardCaps, &domainPolicy, &initialData,
&userContentSheetURL);
RecvSetOffline(isOffline);
RecvSetConnectivity(isConnected);
RecvSetCaptivePortalState(captivePortalState);
RecvBidiKeyboardNotify(isLangRTL, haveBidiKeyboards);
// Create the CPOW manager as soon as possible.
SendPJavaScriptConstructor();
if (domainPolicy.active()) {
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
MOZ_ASSERT(ssm);
ssm->ActivateDomainPolicyInternal(getter_AddRefs(mPolicy));
if (!mPolicy) {
MOZ_CRASH("Failed to activate domain policy.");
}
mPolicy->ApplyClone(&domainPolicy);
}
nsCOMPtr<nsIClipboard> clipboard(do_GetService("@mozilla.org/widget/clipboard;1"));
if (nsCOMPtr<nsIClipboardProxy> clipboardProxy = do_QueryInterface(clipboard)) {
clipboardProxy->SetCapabilities(clipboardCaps);
}
{
AutoJSAPI jsapi;
if (NS_WARN_IF(!jsapi.Init(xpc::PrivilegedJunkScope()))) {
MOZ_CRASH();
}
ErrorResult rv;
JS::RootedValue data(jsapi.cx());
initialData.Read(jsapi.cx(), &data, rv);
if (NS_WARN_IF(rv.Failed())) {
MOZ_CRASH();
}
ProcessGlobal* global = ProcessGlobal::Get();
global->SetInitialProcessData(data);
}
// The stylesheet cache is not ready yet. Store this URL for future use.
nsCOMPtr<nsIURI> ucsURL = DeserializeURI(userContentSheetURL);
nsLayoutStylesheetCache::SetUserContentCSSURL(ucsURL);
// This will register cross-process observer.
mozilla::dom::time::InitializeDateCacheCleaner();
}
PMemoryReportRequestChild*
ContentChild::AllocPMemoryReportRequestChild(const uint32_t& aGeneration,
const bool &aAnonymize,
const bool &aMinimizeMemoryUsage,
const MaybeFileDesc& aDMDFile)
{
MemoryReportRequestChild *actor =
new MemoryReportRequestChild(aAnonymize, aDMDFile);
actor->AddRef();
return actor;
}
class HandleReportCallback final : public nsIHandleReportCallback
{
public:
NS_DECL_ISUPPORTS
explicit HandleReportCallback(MemoryReportRequestChild* aActor,
const nsACString& aProcess)
: mActor(aActor)
, mProcess(aProcess)
{ }
NS_IMETHOD Callback(const nsACString& aProcess, const nsACString &aPath,
int32_t aKind, int32_t aUnits, int64_t aAmount,
const nsACString& aDescription,
nsISupports* aUnused) override
{
MemoryReport memreport(mProcess, nsCString(aPath), aKind, aUnits,
aAmount, nsCString(aDescription));
mActor->SendReport(memreport);
return NS_OK;
}
private:
~HandleReportCallback() {}
RefPtr<MemoryReportRequestChild> mActor;
const nsCString mProcess;
};
NS_IMPL_ISUPPORTS(
HandleReportCallback
, nsIHandleReportCallback
)
class FinishReportingCallback final : public nsIFinishReportingCallback
{
public:
NS_DECL_ISUPPORTS
explicit FinishReportingCallback(MemoryReportRequestChild* aActor)
: mActor(aActor)
{
}
NS_IMETHOD Callback(nsISupports* aUnused) override
{
bool sent = PMemoryReportRequestChild::Send__delete__(mActor);
return sent ? NS_OK : NS_ERROR_FAILURE;
}
private:
~FinishReportingCallback() {}
RefPtr<MemoryReportRequestChild> mActor;
};
NS_IMPL_ISUPPORTS(
FinishReportingCallback
, nsIFinishReportingCallback
)
bool
ContentChild::RecvPMemoryReportRequestConstructor(
PMemoryReportRequestChild* aChild,
const uint32_t& aGeneration,
const bool& aAnonymize,
const bool& aMinimizeMemoryUsage,
const MaybeFileDesc& aDMDFile)
{
MemoryReportRequestChild *actor =
static_cast<MemoryReportRequestChild*>(aChild);
DebugOnly<nsresult> rv;
if (aMinimizeMemoryUsage) {
nsCOMPtr<nsIMemoryReporterManager> mgr =
do_GetService("@mozilla.org/memory-reporter-manager;1");
rv = mgr->MinimizeMemoryUsage(actor);
// mgr will eventually call actor->Run()
} else {
rv = actor->Run();
}
// Bug 1295622: don't kill the process just because this failed.
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "actor operation failed");
return true;
}
NS_IMETHODIMP MemoryReportRequestChild::Run()
{
ContentChild *child = static_cast<ContentChild*>(Manager());
nsCOMPtr<nsIMemoryReporterManager> mgr =
do_GetService("@mozilla.org/memory-reporter-manager;1");
nsCString process;
child->GetProcessName(process);
child->AppendProcessId(process);
// Run the reporters. The callback will turn each measurement into a
// MemoryReport.
RefPtr<HandleReportCallback> handleReport =
new HandleReportCallback(this, process);
RefPtr<FinishReportingCallback> finishReporting =
new FinishReportingCallback(this);
nsresult rv =
mgr->GetReportsForThisProcessExtended(handleReport, nullptr, mAnonymize,
FileDescriptorToFILE(mDMDFile, "wb"),
finishReporting, nullptr);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv),
"GetReportsForThisProcessExtended failed");
return rv;
}
bool
ContentChild::DeallocPMemoryReportRequestChild(PMemoryReportRequestChild* actor)
{
static_cast<MemoryReportRequestChild*>(actor)->Release();
return true;
}
PCycleCollectWithLogsChild*
ContentChild::AllocPCycleCollectWithLogsChild(const bool& aDumpAllTraces,
const FileDescriptor& aGCLog,
const FileDescriptor& aCCLog)
{
CycleCollectWithLogsChild* actor = new CycleCollectWithLogsChild(aGCLog, aCCLog);
// Return actor with refcount 0, which is safe because it has a non-XPCOM type.
return actor;
}
bool
ContentChild::RecvPCycleCollectWithLogsConstructor(PCycleCollectWithLogsChild* aActor,
const bool& aDumpAllTraces,
const FileDescriptor& aGCLog,
const FileDescriptor& aCCLog)
{
// Take a reference here, where the XPCOM type is regained.
RefPtr<CycleCollectWithLogsChild> sink = static_cast<CycleCollectWithLogsChild*>(aActor);
nsCOMPtr<nsIMemoryInfoDumper> dumper = do_GetService("@mozilla.org/memory-info-dumper;1");
dumper->DumpGCAndCCLogsToSink(aDumpAllTraces, sink);
// The actor's destructor is called when the last reference goes away...
return true;
}
bool
ContentChild::DeallocPCycleCollectWithLogsChild(PCycleCollectWithLogsChild* /* aActor */)
{
// ...so when we get here, there's nothing for us to do.
//
// Also, we're already in ~CycleCollectWithLogsChild (q.v.) at
// this point, so we shouldn't touch the actor in any case.
return true;
}
mozilla::plugins::PPluginModuleParent*
ContentChild::AllocPPluginModuleParent(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)
{
return plugins::PluginModuleContentParent::Initialize(aTransport, aOtherProcess);
}
PContentBridgeChild*
ContentChild::AllocPContentBridgeChild(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)
{
return ContentBridgeChild::Create(aTransport, aOtherProcess);
}
PContentBridgeParent*
ContentChild::AllocPContentBridgeParent(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)
{
MOZ_ASSERT(!mLastBridge);
mLastBridge = static_cast<ContentBridgeParent*>(
ContentBridgeParent::Create(aTransport, aOtherProcess));
return mLastBridge;
}
PGMPServiceChild*
ContentChild::AllocPGMPServiceChild(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)
{
return GMPServiceChild::Create(aTransport, aOtherProcess);
}
bool
ContentChild::RecvGMPsChanged(nsTArray<GMPCapabilityData>&& capabilities)
{
GeckoMediaPluginServiceChild::UpdateGMPCapabilities(Move(capabilities));
return true;
}
bool
ContentChild::RecvInitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager)
{
if (!CompositorBridgeChild::InitForContent(Move(aCompositor))) {
return false;
}
if (!ImageBridgeChild::InitForContent(Move(aImageBridge))) {
return false;
}
if (!gfx::VRManagerChild::InitForContent(Move(aVRBridge))) {
return false;
}
VideoDecoderManagerChild::InitForContent(Move(aVideoManager));
return true;
}
bool
ContentChild::RecvReinitRendering(Endpoint<PCompositorBridgeChild>&& aCompositor,
Endpoint<PImageBridgeChild>&& aImageBridge,
Endpoint<PVRManagerChild>&& aVRBridge,
Endpoint<PVideoDecoderManagerChild>&& aVideoManager)
{
nsTArray<RefPtr<TabChild>> tabs = TabChild::GetAll();
// Zap all the old layer managers we have lying around.
for (const auto& tabChild : tabs) {
if (tabChild->LayersId()) {
tabChild->InvalidateLayers();
}
}
// Re-establish singleton bridges to the compositor.
if (!CompositorBridgeChild::ReinitForContent(Move(aCompositor))) {
return false;
}
if (!ImageBridgeChild::ReinitForContent(Move(aImageBridge))) {
return false;
}
if (!gfx::VRManagerChild::ReinitForContent(Move(aVRBridge))) {
return false;
}
// Establish new PLayerTransactions.
for (const auto& tabChild : tabs) {
if (tabChild->LayersId()) {
tabChild->ReinitRendering();
}
}
VideoDecoderManagerChild::InitForContent(Move(aVideoManager));
return true;
}
PBackgroundChild*
ContentChild::AllocPBackgroundChild(Transport* aTransport,
ProcessId aOtherProcess)
{
return BackgroundChild::Alloc(aTransport, aOtherProcess);
}
PProcessHangMonitorChild*
ContentChild::AllocPProcessHangMonitorChild(Transport* aTransport,
ProcessId aOtherProcess)
{
return CreateHangMonitorChild(aTransport, aOtherProcess);
}
bool
ContentChild::RecvSetProcessSandbox(const MaybeFileDesc& aBroker)
{
// We may want to move the sandbox initialization somewhere else
// at some point; see bug 880808.
return true;
}
bool
ContentChild::RecvNotifyLayerAllocated(const dom::TabId& aTabId, const uint64_t& aLayersId)
{
if (!CompositorBridgeChild::Get()->IPCOpen()) {
return true;
}
APZChild* apz = ContentProcessController::Create(aTabId);
return CompositorBridgeChild::Get()->SendPAPZConstructor(apz, aLayersId);
}
bool
ContentChild::RecvSpeakerManagerNotify()
{
#ifdef MOZ_WIDGET_GONK
// Only notify the process which has the SpeakerManager instance.
RefPtr<SpeakerManagerService> service =
SpeakerManagerService::GetSpeakerManagerService();
if (service) {
service->Notify();
}
return true;
#endif
return false;
}
bool
ContentChild::RecvBidiKeyboardNotify(const bool& aIsLangRTL,
const bool& aHaveBidiKeyboards)
{
// bidi is always of type PuppetBidiKeyboard* (because in the child, the only
// possible implementation of nsIBidiKeyboard is PuppetBidiKeyboard).
PuppetBidiKeyboard* bidi = static_cast<PuppetBidiKeyboard*>(nsContentUtils::GetBidiKeyboard());
if (bidi) {
bidi->SetBidiKeyboardInfo(aIsLangRTL, aHaveBidiKeyboards);
}
return true;
}
static CancelableRunnable* sFirstIdleTask;
static void FirstIdle(void)
{
MOZ_ASSERT(sFirstIdleTask);
sFirstIdleTask = nullptr;
ContentChild::GetSingleton()->SendFirstIdle();
}
mozilla::jsipc::PJavaScriptChild *
ContentChild::AllocPJavaScriptChild()
{
MOZ_ASSERT(ManagedPJavaScriptChild().IsEmpty());
return nsIContentChild::AllocPJavaScriptChild();
}
bool
ContentChild::DeallocPJavaScriptChild(PJavaScriptChild *aChild)
{
return nsIContentChild::DeallocPJavaScriptChild(aChild);
}
PBrowserChild*
ContentChild::AllocPBrowserChild(const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
return nsIContentChild::AllocPBrowserChild(aTabId,
aContext,
aChromeFlags,
aCpID,
aIsForApp,
aIsForBrowser);
}
bool
ContentChild::SendPBrowserConstructor(PBrowserChild* aActor,
const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
if (IsShuttingDown()) {
return false;
}
return PContentChild::SendPBrowserConstructor(aActor,
aTabId,
aContext,
aChromeFlags,
aCpID,
aIsForApp,
aIsForBrowser);
}
bool
ContentChild::RecvPBrowserConstructor(PBrowserChild* aActor,
const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpID,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
MOZ_ASSERT(!IsShuttingDown());
// This runs after AllocPBrowserChild() returns and the IPC machinery for this
// PBrowserChild has been set up.
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (os) {
nsITabChild* tc =
static_cast<nsITabChild*>(static_cast<TabChild*>(aActor));
os->NotifyObservers(tc, "tab-child-created", nullptr);
}
static bool hasRunOnce = false;
if (!hasRunOnce) {
hasRunOnce = true;
MOZ_ASSERT(!sFirstIdleTask);
RefPtr<CancelableRunnable> firstIdleTask = NewCancelableRunnableFunction(FirstIdle);
sFirstIdleTask = firstIdleTask;
MessageLoop::current()->PostIdleTask(firstIdleTask.forget());
// Redo InitProcessAttributes() when the app or browser is really
// launching so the attributes will be correct.
mID = aCpID;
mIsForApp = aIsForApp;
mIsForBrowser = aIsForBrowser;
InitProcessAttributes();
}
return true;
}
void
ContentChild::GetAvailableDictionaries(InfallibleTArray<nsString>& aDictionaries)
{
aDictionaries = mAvailableDictionaries;
}
PFileDescriptorSetChild*
ContentChild::SendPFileDescriptorSetConstructor(const FileDescriptor& aFD)
{
if (IsShuttingDown()) {
return nullptr;
}
return PContentChild::SendPFileDescriptorSetConstructor(aFD);
}
PFileDescriptorSetChild*
ContentChild::AllocPFileDescriptorSetChild(const FileDescriptor& aFD)
{
return nsIContentChild::AllocPFileDescriptorSetChild(aFD);
}
bool
ContentChild::DeallocPFileDescriptorSetChild(PFileDescriptorSetChild* aActor)
{
return nsIContentChild::DeallocPFileDescriptorSetChild(aActor);
}
bool
ContentChild::DeallocPBrowserChild(PBrowserChild* aIframe)
{
return nsIContentChild::DeallocPBrowserChild(aIframe);
}
PBlobChild*
ContentChild::AllocPBlobChild(const BlobConstructorParams& aParams)
{
return nsIContentChild::AllocPBlobChild(aParams);
}
mozilla::PRemoteSpellcheckEngineChild *
ContentChild::AllocPRemoteSpellcheckEngineChild()
{
MOZ_CRASH("Default Constructor for PRemoteSpellcheckEngineChild should never be called");
return nullptr;
}
bool
ContentChild::DeallocPRemoteSpellcheckEngineChild(PRemoteSpellcheckEngineChild *child)
{
delete child;
return true;
}
bool
ContentChild::DeallocPBlobChild(PBlobChild* aActor)
{
return nsIContentChild::DeallocPBlobChild(aActor);
}
PBlobChild*
ContentChild::SendPBlobConstructor(PBlobChild* aActor,
const BlobConstructorParams& aParams)
{
if (IsShuttingDown()) {
return nullptr;
}
return PContentChild::SendPBlobConstructor(aActor, aParams);
}
PPresentationChild*
ContentChild::AllocPPresentationChild()
{
MOZ_CRASH("We should never be manually allocating PPresentationChild actors");
return nullptr;
}
bool
ContentChild::DeallocPPresentationChild(PPresentationChild* aActor)
{
delete aActor;
return true;
}
PFlyWebPublishedServerChild*
ContentChild::AllocPFlyWebPublishedServerChild(const nsString& name,
const FlyWebPublishOptions& params)
{
MOZ_CRASH("We should never be manually allocating PFlyWebPublishedServerChild actors");
return nullptr;
}
bool
ContentChild::DeallocPFlyWebPublishedServerChild(PFlyWebPublishedServerChild* aActor)
{
RefPtr<FlyWebPublishedServerChild> actor =
dont_AddRef(static_cast<FlyWebPublishedServerChild*>(aActor));
return true;
}
bool
ContentChild::RecvNotifyPresentationReceiverLaunched(PBrowserChild* aIframe,
const nsString& aSessionId)
{
nsCOMPtr<nsIDocShell> docShell =
do_GetInterface(static_cast<TabChild*>(aIframe)->WebNavigation());
NS_WARNING_ASSERTION(docShell, "WebNavigation failed");
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
NS_WARNING_ASSERTION(service, "presentation service is missing");
Unused << NS_WARN_IF(NS_FAILED(static_cast<PresentationIPCService*>(service.get())->MonitorResponderLoading(aSessionId, docShell)));
return true;
}
bool
ContentChild::RecvNotifyPresentationReceiverCleanUp(const nsString& aSessionId)
{
nsCOMPtr<nsIPresentationService> service =
do_GetService(PRESENTATION_SERVICE_CONTRACTID);
NS_WARNING_ASSERTION(service, "presentation service is missing");
Unused << NS_WARN_IF(NS_FAILED(service->UntrackSessionInfo(aSessionId, nsIPresentationService::ROLE_RECEIVER)));
return true;
}
bool
ContentChild::RecvNotifyEmptyHTTPCache()
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
obs->NotifyObservers(nullptr, "cacheservice:empty-cache", nullptr);
return true;
}
PCrashReporterChild*
ContentChild::AllocPCrashReporterChild(const mozilla::dom::NativeThreadId& id,
const uint32_t& processType)
{
return nullptr;
}
bool
ContentChild::DeallocPCrashReporterChild(PCrashReporterChild* crashreporter)
{
delete crashreporter;
return true;
}
PHalChild*
ContentChild::AllocPHalChild()
{
return CreateHalChild();
}
bool
ContentChild::DeallocPHalChild(PHalChild* aHal)
{
delete aHal;
return true;
}
devtools::PHeapSnapshotTempFileHelperChild*
ContentChild::AllocPHeapSnapshotTempFileHelperChild()
{
return devtools::HeapSnapshotTempFileHelperChild::Create();
}
bool
ContentChild::DeallocPHeapSnapshotTempFileHelperChild(
devtools::PHeapSnapshotTempFileHelperChild* aHeapSnapshotHelper)
{
delete aHeapSnapshotHelper;
return true;
}
PTestShellChild*
ContentChild::AllocPTestShellChild()
{
return new TestShellChild();
}
bool
ContentChild::DeallocPTestShellChild(PTestShellChild* shell)
{
delete shell;
return true;
}
jsipc::CPOWManager*
ContentChild::GetCPOWManager()
{
if (PJavaScriptChild* c = LoneManagedOrNullAsserts(ManagedPJavaScriptChild())) {
return CPOWManagerFor(c);
}
return CPOWManagerFor(SendPJavaScriptConstructor());
}
bool
ContentChild::RecvPTestShellConstructor(PTestShellChild* actor)
{
return true;
}
PNeckoChild*
ContentChild::AllocPNeckoChild()
{
return new NeckoChild();
}
bool
ContentChild::DeallocPNeckoChild(PNeckoChild* necko)
{
delete necko;
return true;
}
PPrintingChild*
ContentChild::AllocPPrintingChild()
{
// The ContentParent should never attempt to allocate the nsPrintingProxy,
// which implements PPrintingChild. Instead, the nsPrintingProxy service is
// requested and instantiated via XPCOM, and the constructor of
// nsPrintingProxy sets up the IPC connection.
MOZ_CRASH("Should never get here!");
return nullptr;
}
bool
ContentChild::DeallocPPrintingChild(PPrintingChild* printing)
{
return true;
}
PSendStreamChild*
ContentChild::SendPSendStreamConstructor(PSendStreamChild* aActor)
{
if (IsShuttingDown()) {
return nullptr;
}
return PContentChild::SendPSendStreamConstructor(aActor);
}
PSendStreamChild*
ContentChild::AllocPSendStreamChild()
{
return nsIContentChild::AllocPSendStreamChild();
}
bool
ContentChild::DeallocPSendStreamChild(PSendStreamChild* aActor)
{
return nsIContentChild::DeallocPSendStreamChild(aActor);
}
PScreenManagerChild*
ContentChild::AllocPScreenManagerChild(uint32_t* aNumberOfScreens,
float* aSystemDefaultScale,
bool* aSuccess)
{
// The ContentParent should never attempt to allocate the
// nsScreenManagerProxy. Instead, the nsScreenManagerProxy
// service is requested and instantiated via XPCOM, and the
// constructor of nsScreenManagerProxy sets up the IPC connection.
MOZ_CRASH("Should never get here!");
return nullptr;
}
bool
ContentChild::DeallocPScreenManagerChild(PScreenManagerChild* aService)
{
// nsScreenManagerProxy is AddRef'd in its constructor.
nsScreenManagerProxy *child = static_cast<nsScreenManagerProxy*>(aService);
child->Release();
return true;
}
PPSMContentDownloaderChild*
ContentChild::AllocPPSMContentDownloaderChild(const uint32_t& aCertType)
{
// NB: We don't need aCertType in the child actor.
RefPtr<PSMContentDownloaderChild> child = new PSMContentDownloaderChild();
return child.forget().take();
}
bool
ContentChild::DeallocPPSMContentDownloaderChild(PPSMContentDownloaderChild* aListener)
{
auto* listener = static_cast<PSMContentDownloaderChild*>(aListener);
RefPtr<PSMContentDownloaderChild> child = dont_AddRef(listener);
return true;
}
PExternalHelperAppChild*
ContentChild::AllocPExternalHelperAppChild(const OptionalURIParams& uri,
const nsCString& aMimeContentType,
const nsCString& aContentDisposition,
const uint32_t& aContentDispositionHint,
const nsString& aContentDispositionFilename,
const bool& aForceSave,
const int64_t& aContentLength,
const bool& aWasFileChannel,
const OptionalURIParams& aReferrer,
PBrowserChild* aBrowser)
{
ExternalHelperAppChild *child = new ExternalHelperAppChild();
child->AddRef();
return child;
}
bool
ContentChild::DeallocPExternalHelperAppChild(PExternalHelperAppChild* aService)
{
ExternalHelperAppChild *child = static_cast<ExternalHelperAppChild*>(aService);
child->Release();
return true;
}
PHandlerServiceChild*
ContentChild::AllocPHandlerServiceChild()
{
HandlerServiceChild* actor = new HandlerServiceChild();
actor->AddRef();
return actor;
}
bool ContentChild::DeallocPHandlerServiceChild(PHandlerServiceChild* aHandlerServiceChild)
{
static_cast<HandlerServiceChild*>(aHandlerServiceChild)->Release();
return true;
}
media::PMediaChild*
ContentChild::AllocPMediaChild()
{
return media::AllocPMediaChild();
}
bool
ContentChild::DeallocPMediaChild(media::PMediaChild *aActor)
{
return media::DeallocPMediaChild(aActor);
}
PStorageChild*
ContentChild::AllocPStorageChild()
{
MOZ_CRASH("We should never be manually allocating PStorageChild actors");
return nullptr;
}
bool
ContentChild::DeallocPStorageChild(PStorageChild* aActor)
{
DOMStorageDBChild* child = static_cast<DOMStorageDBChild*>(aActor);
child->ReleaseIPDLReference();
return true;
}
PSpeechSynthesisChild*
ContentChild::AllocPSpeechSynthesisChild()
{
#ifdef MOZ_WEBSPEECH
MOZ_CRASH("No one should be allocating PSpeechSynthesisChild actors");
#else
return nullptr;
#endif
}
bool
ContentChild::DeallocPSpeechSynthesisChild(PSpeechSynthesisChild* aActor)
{
#ifdef MOZ_WEBSPEECH
delete aActor;
return true;
#else
return false;
#endif
}
PWebrtcGlobalChild *
ContentChild::AllocPWebrtcGlobalChild()
{
#ifdef MOZ_WEBRTC
WebrtcGlobalChild *child = new WebrtcGlobalChild();
return child;
#else
return nullptr;
#endif
}
bool
ContentChild::DeallocPWebrtcGlobalChild(PWebrtcGlobalChild *aActor)
{
#ifdef MOZ_WEBRTC
delete static_cast<WebrtcGlobalChild*>(aActor);
return true;
#else
return false;
#endif
}
bool
ContentChild::RecvRegisterChrome(InfallibleTArray<ChromePackage>&& packages,
InfallibleTArray<SubstitutionMapping>&& resources,
InfallibleTArray<OverrideMapping>&& overrides,
const nsCString& locale,
const bool& reset)
{
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
nsChromeRegistryContent* chromeRegistry =
static_cast<nsChromeRegistryContent*>(registrySvc.get());
chromeRegistry->RegisterRemoteChrome(packages, resources, overrides,
locale, reset);
return true;
}
bool
ContentChild::RecvRegisterChromeItem(const ChromeRegistryItem& item)
{
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
nsChromeRegistryContent* chromeRegistry =
static_cast<nsChromeRegistryContent*>(registrySvc.get());
switch (item.type()) {
case ChromeRegistryItem::TChromePackage:
chromeRegistry->RegisterPackage(item.get_ChromePackage());
break;
case ChromeRegistryItem::TOverrideMapping:
chromeRegistry->RegisterOverride(item.get_OverrideMapping());
break;
case ChromeRegistryItem::TSubstitutionMapping:
chromeRegistry->RegisterSubstitution(item.get_SubstitutionMapping());
break;
default:
MOZ_ASSERT(false, "bad chrome item");
return false;
}
return true;
}
bool
ContentChild::RecvClearImageCache(const bool& privateLoader, const bool& chrome)
{
imgLoader* loader = privateLoader ? imgLoader::PrivateBrowsingLoader() :
imgLoader::NormalLoader();
loader->ClearCache(chrome);
return true;
}
bool
ContentChild::RecvSetOffline(const bool& offline)
{
nsCOMPtr<nsIIOService> io (do_GetIOService());
NS_ASSERTION(io, "IO Service can not be null");
io->SetOffline(offline);
return true;
}
bool
ContentChild::RecvSetConnectivity(const bool& connectivity)
{
nsCOMPtr<nsIIOService> io(do_GetIOService());
nsCOMPtr<nsIIOServiceInternal> ioInternal(do_QueryInterface(io));
NS_ASSERTION(ioInternal, "IO Service can not be null");
ioInternal->SetConnectivity(connectivity);
return true;
}
bool
ContentChild::RecvSetCaptivePortalState(const int32_t& aState)
{
nsCOMPtr<nsICaptivePortalService> cps = do_GetService(NS_CAPTIVEPORTAL_CID);
if (!cps) {
return true;
}
mozilla::net::CaptivePortalService *portal =
static_cast<mozilla::net::CaptivePortalService*>(cps.get());
portal->SetStateInChild(aState);
return true;
}
void
ContentChild::ActorDestroy(ActorDestroyReason why)
{
if (mForceKillTimer) {
mForceKillTimer->Cancel();
mForceKillTimer = nullptr;
}
if (AbnormalShutdown == why) {
NS_WARNING("shutting down early because of crash!");
ProcessChild::QuickExit();
}
#ifndef NS_FREE_PERMANENT_DATA
// In release builds, there's no point in the content process
// going through the full XPCOM shutdown path, because it doesn't
// keep persistent state.
ProcessChild::QuickExit();
#else
if (sFirstIdleTask) {
sFirstIdleTask->Cancel();
}
nsHostObjectProtocolHandler::RemoveDataEntries();
mAlertObservers.Clear();
mIdleObservers.Clear();
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
if (svc) {
svc->UnregisterListener(mConsoleListener);
mConsoleListener->mChild = nullptr;
}
mIsAlive = false;
XRE_ShutdownChildProcess();
#endif // NS_FREE_PERMANENT_DATA
}
void
ContentChild::ProcessingError(Result aCode, const char* aReason)
{
switch (aCode) {
case MsgDropped:
NS_WARNING("MsgDropped in ContentChild");
return;
case MsgNotKnown:
case MsgNotAllowed:
case MsgPayloadError:
case MsgProcessingError:
case MsgRouteError:
case MsgValueError:
break;
default:
NS_RUNTIMEABORT("not reached");
}
NS_RUNTIMEABORT("Content child abort due to IPC error");
}
nsresult
ContentChild::AddRemoteAlertObserver(const nsString& aData,
nsIObserver* aObserver)
{
NS_ASSERTION(aObserver, "Adding a null observer?");
mAlertObservers.AppendElement(new AlertObserver(aObserver, aData));
return NS_OK;
}
bool
ContentChild::RecvPreferenceUpdate(const PrefSetting& aPref)
{
Preferences::SetPreference(aPref);
return true;
}
bool
ContentChild::RecvVarUpdate(const GfxVarUpdate& aVar)
{
gfx::gfxVars::ApplyUpdate(aVar);
return true;
}
bool
ContentChild::RecvDataStoragePut(const nsString& aFilename,
const DataStorageItem& aItem)
{
RefPtr<DataStorage> storage = DataStorage::GetIfExists(aFilename);
if (storage) {
storage->Put(aItem.key(), aItem.value(), aItem.type());
}
return true;
}
bool
ContentChild::RecvDataStorageRemove(const nsString& aFilename,
const nsCString& aKey,
const DataStorageType& aType)
{
RefPtr<DataStorage> storage = DataStorage::GetIfExists(aFilename);
if (storage) {
storage->Remove(aKey, aType);
}
return true;
}
bool
ContentChild::RecvDataStorageClear(const nsString& aFilename)
{
RefPtr<DataStorage> storage = DataStorage::GetIfExists(aFilename);
if (storage) {
storage->Clear();
}
return true;
}
bool
ContentChild::RecvNotifyAlertsObserver(const nsCString& aType, const nsString& aData)
{
for (uint32_t i = 0; i < mAlertObservers.Length();
/*we mutate the array during the loop; ++i iff no mutation*/) {
AlertObserver* observer = mAlertObservers[i];
if (observer->Observes(aData) && observer->Notify(aType)) {
// if aType == alertfinished, this alert is done. we can
// remove the observer.
if (aType.Equals(nsDependentCString("alertfinished"))) {
mAlertObservers.RemoveElementAt(i);
continue;
}
}
++i;
}
return true;
}
bool
ContentChild::RecvNotifyVisited(const URIParams& aURI)
{
nsCOMPtr<nsIURI> newURI = DeserializeURI(aURI);
if (!newURI) {
return false;
}
nsCOMPtr<IHistory> history = services::GetHistoryService();
if (history) {
history->NotifyVisited(newURI);
}
return true;
}
bool
ContentChild::RecvLoadProcessScript(const nsString& aURL)
{
ProcessGlobal* global = ProcessGlobal::Get();
global->LoadScript(aURL);
return true;
}
bool
ContentChild::RecvAsyncMessage(const nsString& aMsg,
InfallibleTArray<CpowEntry>&& aCpows,
const IPC::Principal& aPrincipal,
const ClonedMessageData& aData)
{
RefPtr<nsFrameMessageManager> cpm =
nsFrameMessageManager::GetChildProcessManager();
if (cpm) {
StructuredCloneData data;
ipc::UnpackClonedMessageDataForChild(aData, data);
CrossProcessCpowHolder cpows(this, aCpows);
cpm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(cpm.get()),
nullptr, aMsg, false, &data, &cpows, aPrincipal,
nullptr);
}
return true;
}
bool
ContentChild::RecvGeolocationUpdate(const GeoPosition& somewhere)
{
nsCOMPtr<nsIGeolocationUpdate> gs =
do_GetService("@mozilla.org/geolocation/service;1");
if (!gs) {
return true;
}
nsCOMPtr<nsIDOMGeoPosition> position = somewhere;
gs->Update(position);
return true;
}
bool
ContentChild::RecvGeolocationError(const uint16_t& errorCode)
{
nsCOMPtr<nsIGeolocationUpdate> gs =
do_GetService("@mozilla.org/geolocation/service;1");
if (!gs) {
return true;
}
gs->NotifyError(errorCode);
return true;
}
bool
ContentChild::RecvUpdateDictionaryList(InfallibleTArray<nsString>&& aDictionaries)
{
mAvailableDictionaries = aDictionaries;
mozInlineSpellChecker::UpdateCanEnableInlineSpellChecking();
return true;
}
bool
ContentChild::RecvAddPermission(const IPC::Permission& permission)
{
#if MOZ_PERMISSIONS
nsCOMPtr<nsIPermissionManager> permissionManagerIface =
services::GetPermissionManager();
nsPermissionManager* permissionManager =
static_cast<nsPermissionManager*>(permissionManagerIface.get());
MOZ_ASSERT(permissionManager,
"We have no permissionManager in the Content process !");
// note we do not need to force mUserContextId to the default here because
// the permission manager does that internally.
nsAutoCString originNoSuffix;
PrincipalOriginAttributes attrs;
bool success = attrs.PopulateFromOrigin(permission.origin, originNoSuffix);
NS_ENSURE_TRUE(success, false);
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), originNoSuffix);
NS_ENSURE_SUCCESS(rv, true);
nsCOMPtr<nsIPrincipal> principal = mozilla::BasePrincipal::CreateCodebasePrincipal(uri, attrs);
// child processes don't care about modification time.
int64_t modificationTime = 0;
permissionManager->AddInternal(principal,
nsCString(permission.type),
permission.capability,
0,
permission.expireType,
permission.expireTime,
modificationTime,
nsPermissionManager::eNotify,
nsPermissionManager::eNoDBOperation);
#endif
return true;
}
bool
ContentChild::RecvFlushMemory(const nsString& reason)
{
nsCOMPtr<nsIObserverService> os =
mozilla::services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr, "memory-pressure", reason.get());
}
return true;
}
bool
ContentChild::RecvActivateA11y(const uint32_t& aMsaaID)
{
#ifdef ACCESSIBILITY
#ifdef XP_WIN
MOZ_ASSERT(aMsaaID != 0);
mMsaaID = aMsaaID;
#endif // XP_WIN
// Start accessibility in content process if it's running in chrome
// process.
GetOrCreateAccService(nsAccessibilityService::eMainProcess);
#endif // ACCESSIBILITY
return true;
}
bool
ContentChild::RecvShutdownA11y()
{
#ifdef ACCESSIBILITY
// Try to shutdown accessibility in content process if it's shutting down in
// chrome process.
MaybeShutdownAccService(nsAccessibilityService::eMainProcess);
#endif
return true;
}
bool
ContentChild::RecvGarbageCollect()
{
// Rebroadcast the "child-gc-request" so that workers will GC.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->NotifyObservers(nullptr, "child-gc-request", nullptr);
}
nsJSContext::GarbageCollectNow(JS::gcreason::DOM_IPC);
return true;
}
bool
ContentChild::RecvCycleCollect()
{
// Rebroadcast the "child-cc-request" so that workers will CC.
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->NotifyObservers(nullptr, "child-cc-request", nullptr);
}
nsJSContext::CycleCollectNow();
return true;
}
static void
PreloadSlowThings()
{
// This fetches and creates all the built-in stylesheets.
//
// XXXheycam In the future we might want to preload the Servo-flavoured
// UA sheets too, but for now that will be a waste of time.
nsLayoutStylesheetCache::For(StyleBackendType::Gecko)->UserContentSheet();
TabChild::PreloadSlowThings();
}
bool
ContentChild::RecvAppInfo(const nsCString& version, const nsCString& buildID,
const nsCString& name, const nsCString& UAName,
const nsCString& ID, const nsCString& vendor)
{
mAppInfo.version.Assign(version);
mAppInfo.buildID.Assign(buildID);
mAppInfo.name.Assign(name);
mAppInfo.UAName.Assign(UAName);
mAppInfo.ID.Assign(ID);
mAppInfo.vendor.Assign(vendor);
return true;
}
bool
ContentChild::RecvAppInit()
{
if (!Preferences::GetBool("dom.ipc.processPrelaunch.enabled", false)) {
return true;
}
// If we're part of the mozbrowser machinery, go ahead and start
// preloading things. We can only do this for mozbrowser because
// PreloadSlowThings() may set the docshell of the first TabChild
// inactive, and we can only safely restore it to active from
// BrowserElementChild.js.
if (mIsForApp || mIsForBrowser) {
PreloadSlowThings();
}
return true;
}
bool
ContentChild::RecvInitServiceWorkers(const ServiceWorkerConfiguration& aConfig)
{
RefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
if (!swm) {
// browser shutdown began
return true;
}
swm->LoadRegistrations(aConfig.serviceWorkerRegistrations());
return true;
}
bool
ContentChild::RecvInitBlobURLs(nsTArray<BlobURLRegistrationData>&& aRegistrations)
{
for (uint32_t i = 0; i < aRegistrations.Length(); ++i) {
BlobURLRegistrationData& registration = aRegistrations[i];
RefPtr<BlobImpl> blobImpl =
static_cast<BlobChild*>(registration.blobChild())->GetBlobImpl();
MOZ_ASSERT(blobImpl);
nsHostObjectProtocolHandler::AddDataEntry(registration.url(),
registration.principal(),
blobImpl);
}
return true;
}
bool
ContentChild::RecvLastPrivateDocShellDestroyed()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
obs->NotifyObservers(nullptr, "last-pb-context-exited", nullptr);
return true;
}
bool
ContentChild::RecvVolumes(nsTArray<VolumeInfo>&& aVolumes)
{
#ifdef MOZ_WIDGET_GONK
RefPtr<nsVolumeService> vs = nsVolumeService::GetSingleton();
if (vs) {
vs->RecvVolumesFromParent(aVolumes);
}
#endif
return true;
}
bool
ContentChild::RecvFileSystemUpdate(const nsString& aFsName,
const nsString& aVolumeName,
const int32_t& aState,
const int32_t& aMountGeneration,
const bool& aIsMediaPresent,
const bool& aIsSharing,
const bool& aIsFormatting,
const bool& aIsFake,
const bool& aIsUnmounting,
const bool& aIsRemovable,
const bool& aIsHotSwappable)
{
#ifdef MOZ_WIDGET_GONK
RefPtr<nsVolume> volume = new nsVolume(aFsName, aVolumeName, aState,
aMountGeneration, aIsMediaPresent,
aIsSharing, aIsFormatting, aIsFake,
aIsUnmounting, aIsRemovable, aIsHotSwappable);
RefPtr<nsVolumeService> vs = nsVolumeService::GetSingleton();
if (vs) {
vs->UpdateVolume(volume);
}
#else
// Remove warnings about unused arguments
Unused << aFsName;
Unused << aVolumeName;
Unused << aState;
Unused << aMountGeneration;
Unused << aIsMediaPresent;
Unused << aIsSharing;
Unused << aIsFormatting;
Unused << aIsFake;
Unused << aIsUnmounting;
Unused << aIsRemovable;
Unused << aIsHotSwappable;
#endif
return true;
}
bool
ContentChild::RecvVolumeRemoved(const nsString& aFsName)
{
#ifdef MOZ_WIDGET_GONK
RefPtr<nsVolumeService> vs = nsVolumeService::GetSingleton();
if (vs) {
vs->RemoveVolumeByName(aFsName);
}
#else
// Remove warnings about unused arguments
Unused << aFsName;
#endif
return true;
}
bool
ContentChild::RecvNotifyProcessPriorityChanged(
const hal::ProcessPriority& aPriority)
{
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
NS_ENSURE_TRUE(os, true);
RefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
props->SetPropertyAsInt32(NS_LITERAL_STRING("priority"),
static_cast<int32_t>(aPriority));
os->NotifyObservers(static_cast<nsIPropertyBag2*>(props),
"ipc:process-priority-changed", nullptr);
return true;
}
bool
ContentChild::RecvMinimizeMemoryUsage()
{
nsCOMPtr<nsIMemoryReporterManager> mgr =
do_GetService("@mozilla.org/memory-reporter-manager;1");
NS_ENSURE_TRUE(mgr, true);
Unused << mgr->MinimizeMemoryUsage(/* callback = */ nullptr);
return true;
}
bool
ContentChild::RecvNotifyPhoneStateChange(const nsString& aState)
{
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
if (os) {
os->NotifyObservers(nullptr, "phone-state-changed", aState.get());
}
return true;
}
void
ContentChild::AddIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS)
{
MOZ_ASSERT(aObserver, "null idle observer");
// Make sure aObserver isn't released while we wait for the parent
aObserver->AddRef();
SendAddIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
mIdleObservers.PutEntry(aObserver);
}
void
ContentChild::RemoveIdleObserver(nsIObserver* aObserver, uint32_t aIdleTimeInS)
{
MOZ_ASSERT(aObserver, "null idle observer");
SendRemoveIdleObserver(reinterpret_cast<uint64_t>(aObserver), aIdleTimeInS);
aObserver->Release();
mIdleObservers.RemoveEntry(aObserver);
}
bool
ContentChild::RecvNotifyIdleObserver(const uint64_t& aObserver,
const nsCString& aTopic,
const nsString& aTimeStr)
{
nsIObserver* observer = reinterpret_cast<nsIObserver*>(aObserver);
if (mIdleObservers.Contains(observer)) {
observer->Observe(nullptr, aTopic.get(), aTimeStr.get());
} else {
NS_WARNING("Received notification for an idle observer that was removed.");
}
return true;
}
bool
ContentChild::RecvLoadAndRegisterSheet(const URIParams& aURI, const uint32_t& aType)
{
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
if (!uri) {
return true;
}
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
if (sheetService) {
sheetService->LoadAndRegisterSheet(uri, aType);
}
return true;
}
bool
ContentChild::RecvUnregisterSheet(const URIParams& aURI, const uint32_t& aType)
{
nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
if (!uri) {
return true;
}
nsStyleSheetService *sheetService = nsStyleSheetService::GetInstance();
if (sheetService) {
sheetService->UnregisterSheet(uri, aType);
}
return true;
}
POfflineCacheUpdateChild*
ContentChild::AllocPOfflineCacheUpdateChild(const URIParams& manifestURI,
const URIParams& documentURI,
const PrincipalInfo& aLoadingPrincipalInfo,
const bool& stickDocument)
{
NS_RUNTIMEABORT("unused");
return nullptr;
}
bool
ContentChild::DeallocPOfflineCacheUpdateChild(POfflineCacheUpdateChild* actor)
{
OfflineCacheUpdateChild* offlineCacheUpdate =
static_cast<OfflineCacheUpdateChild*>(actor);
NS_RELEASE(offlineCacheUpdate);
return true;
}
bool
ContentChild::RecvStartProfiler(const ProfilerInitParams& params)
{
nsTArray<const char*> featureArray;
for (size_t i = 0; i < params.features().Length(); ++i) {
featureArray.AppendElement(params.features()[i].get());
}
nsTArray<const char*> threadNameFilterArray;
for (size_t i = 0; i < params.threadFilters().Length(); ++i) {
threadNameFilterArray.AppendElement(params.threadFilters()[i].get());
}
profiler_start(params.entries(), params.interval(),
featureArray.Elements(), featureArray.Length(),
threadNameFilterArray.Elements(),
threadNameFilterArray.Length());
return true;
}
bool
ContentChild::RecvStopProfiler()
{
profiler_stop();
return true;
}
bool
ContentChild::RecvPauseProfiler(const bool& aPause)
{
if (aPause) {
profiler_pause();
} else {
profiler_resume();
}
return true;
}
bool
ContentChild::RecvGatherProfile()
{
nsCString profileCString;
UniquePtr<char[]> profile = profiler_get_profile();
if (profile) {
profileCString = nsCString(profile.get(), strlen(profile.get()));
} else {
profileCString = EmptyCString();
}
Unused << SendProfile(profileCString);
return true;
}
bool
ContentChild::RecvLoadPluginResult(const uint32_t& aPluginId,
const bool& aResult)
{
nsresult rv;
bool finalResult = aResult && SendConnectPluginBridge(aPluginId, &rv) &&
NS_SUCCEEDED(rv);
plugins::PluginModuleContentParent::OnLoadPluginResult(aPluginId,
finalResult);
return true;
}
bool
ContentChild::RecvAssociatePluginId(const uint32_t& aPluginId,
const base::ProcessId& aProcessId)
{
plugins::PluginModuleContentParent::AssociatePluginId(aPluginId, aProcessId);
return true;
}
bool
ContentChild::RecvDomainSetChanged(const uint32_t& aSetType,
const uint32_t& aChangeType,
const OptionalURIParams& aDomain)
{
if (aChangeType == ACTIVATE_POLICY) {
if (mPolicy) {
return true;
}
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
MOZ_ASSERT(ssm);
ssm->ActivateDomainPolicyInternal(getter_AddRefs(mPolicy));
return !!mPolicy;
} else if (!mPolicy) {
MOZ_ASSERT_UNREACHABLE("If the domain policy is not active yet,"
" the first message should be ACTIVATE_POLICY");
return false;
}
NS_ENSURE_TRUE(mPolicy, false);