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a77425a482
gecko/dom/ipc/ContentParent.cpp
Ehsan Akhgari 2a602a5685 Bug 690892 - Replace PR_TRUE/PR_FALSE with true/false on mozilla-central; rs=dbaron 
Landing on a CLOSED TREE
2011-10-17 10:59:28 -04:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim: set sw=4 ts=8 et tw=80 : */
/* ***** 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 Content App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Frederic Plourde <frederic.plourde@collabora.co.uk>
*
* 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 ***** */
#include "ContentParent.h"
#include "TabParent.h"
#include "CrashReporterParent.h"
#include "History.h"
#include "mozilla/ipc/TestShellParent.h"
#include "mozilla/net/NeckoParent.h"
#include "mozilla/Preferences.h"
#include "nsHashPropertyBag.h"
#include "nsIFilePicker.h"
#include "nsIWindowWatcher.h"
#include "nsIDOMWindow.h"
#include "nsIPrefBranch.h"
#include "nsIPrefBranch2.h"
#include "nsIPrefService.h"
#include "nsIPrefLocalizedString.h"
#include "nsIObserverService.h"
#include "nsContentUtils.h"
#include "nsAutoPtr.h"
#include "nsCOMPtr.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "nsChromeRegistryChrome.h"
#include "nsExternalHelperAppService.h"
#include "nsCExternalHandlerService.h"
#include "nsFrameMessageManager.h"
#include "nsIPresShell.h"
#include "nsIAlertsService.h"
#include "nsToolkitCompsCID.h"
#include "nsIDOMGeoGeolocation.h"
#include "nsIConsoleService.h"
#include "nsIScriptError.h"
#include "nsConsoleMessage.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsAppRunner.h"
#include "IDBFactory.h"
#if defined(MOZ_SYDNEYAUDIO)
#include "AudioParent.h"
#endif
#include "SandboxHal.h"
#if defined(ANDROID) || defined(LINUX)
#include <sys/time.h>
#include <sys/resource.h>
#include "nsSystemInfo.h"
#endif
#ifdef MOZ_PERMISSIONS
#include "nsPermissionManager.h"
#endif
#ifdef MOZ_CRASHREPORTER
#include "nsICrashReporter.h"
#include "nsExceptionHandler.h"
#endif
#include "mozilla/dom/ExternalHelperAppParent.h"
#include "mozilla/dom/StorageParent.h"
#include "mozilla/hal_sandbox/PHalParent.h"
#include "mozilla/Services.h"
#include "mozilla/unused.h"
#include "nsDeviceMotion.h"
#include "mozilla/Util.h"
#include "nsIMemoryReporter.h"
#include "nsMemoryReporterManager.h"
#include "mozilla/dom/PMemoryReportRequestParent.h"
#ifdef ANDROID
#include "gfxAndroidPlatform.h"
#include "AndroidBridge.h"
#endif
#include "nsIClipboard.h"
#include "nsWidgetsCID.h"
#include "nsISupportsPrimitives.h"
static NS_DEFINE_CID(kCClipboardCID, NS_CLIPBOARD_CID);
static const char* sClipboardTextFlavors[] = { kUnicodeMime };
using mozilla::Preferences;
using namespace mozilla::ipc;
using namespace mozilla::hal_sandbox;
using namespace mozilla::net;
using namespace mozilla::places;
using mozilla::unused; // heh
using base::KillProcess;
namespace mozilla {
namespace dom {
#define NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC "ipc:network:set-offline"
class MemoryReportRequestParent : public PMemoryReportRequestParent
{
public:
MemoryReportRequestParent();
virtual ~MemoryReportRequestParent();
virtual bool Recv__delete__(const InfallibleTArray<MemoryReport>& report);
private:
ContentParent* Owner()
{
return static_cast<ContentParent*>(Manager());
}
};
MemoryReportRequestParent::MemoryReportRequestParent()
{
MOZ_COUNT_CTOR(MemoryReportRequestParent);
}
bool
MemoryReportRequestParent::Recv__delete__(const InfallibleTArray<MemoryReport>& report)
{
Owner()->SetChildMemoryReporters(report);
return true;
}
MemoryReportRequestParent::~MemoryReportRequestParent()
{
MOZ_COUNT_DTOR(MemoryReportRequestParent);
}
nsTArray<ContentParent*>* ContentParent::gContentParents;
ContentParent*
ContentParent::GetNewOrUsed()
{
if (!gContentParents)
gContentParents = new nsTArray<ContentParent*>();
PRInt32 maxContentProcesses = Preferences::GetInt("dom.ipc.processCount", 1);
if (maxContentProcesses < 1)
maxContentProcesses = 1;
if (gContentParents->Length() >= PRUint32(maxContentProcesses)) {
ContentParent* p = (*gContentParents)[rand() % gContentParents->Length()];
NS_ASSERTION(p->IsAlive(), "Non-alive contentparent in gContentParents?");
return p;
}
nsRefPtr<ContentParent> p = new ContentParent();
p->Init();
gContentParents->AppendElement(p);
return p;
}
void
ContentParent::GetAll(nsTArray<ContentParent*>& aArray)
{
if (!gContentParents) {
aArray.Clear();
return;
}
aArray = *gContentParents;
}
void
ContentParent::Init()
{
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->AddObserver(this, "xpcom-shutdown", false);
obs->AddObserver(this, NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC, false);
obs->AddObserver(this, "child-memory-reporter-request", false);
obs->AddObserver(this, "memory-pressure", false);
obs->AddObserver(this, "child-gc-request", false);
obs->AddObserver(this, "child-cc-request", false);
#ifdef ACCESSIBILITY
obs->AddObserver(this, "a11y-init-or-shutdown", false);
#endif
}
nsCOMPtr<nsIPrefBranch2> prefs(do_GetService(NS_PREFSERVICE_CONTRACTID));
if (prefs) {
prefs->AddObserver("", this, false);
}
nsCOMPtr<nsIThreadInternal>
threadInt(do_QueryInterface(NS_GetCurrentThread()));
if (threadInt) {
threadInt->GetObserver(getter_AddRefs(mOldObserver));
threadInt->SetObserver(this);
}
if (obs) {
obs->NotifyObservers(static_cast<nsIObserver*>(this), "ipc:content-created", nsnull);
}
#ifdef ACCESSIBILITY
// If accessibility is running in chrome process then start it in content
// process.
if (nsIPresShell::IsAccessibilityActive()) {
unused << SendActivateA11y();
}
#endif
}
void
ContentParent::OnChannelConnected(int32 pid)
{
ProcessHandle handle;
if (!base::OpenPrivilegedProcessHandle(pid, &handle)) {
NS_WARNING("Can't open handle to child process.");
}
else {
SetOtherProcess(handle);
#if defined(ANDROID) || defined(LINUX)
EnsurePrefService();
nsCOMPtr<nsIPrefBranch> branch;
branch = do_QueryInterface(mPrefService);
// Check nice preference
PRInt32 nice = 0;
branch->GetIntPref("dom.ipc.content.nice", &nice);
// Environment variable overrides preference
char* relativeNicenessStr = getenv("MOZ_CHILD_PROCESS_RELATIVE_NICENESS");
if (relativeNicenessStr) {
nice = atoi(relativeNicenessStr);
}
/* make the GUI thread have higher priority on single-cpu devices */
nsCOMPtr<nsIPropertyBag2> infoService = do_GetService(NS_SYSTEMINFO_CONTRACTID);
if (infoService) {
PRInt32 cpus;
nsresult rv = infoService->GetPropertyAsInt32(NS_LITERAL_STRING("cpucount"), &cpus);
if (NS_FAILED(rv)) {
cpus = 1;
}
if (nice != 0 && cpus == 1) {
setpriority(PRIO_PROCESS, pid, getpriority(PRIO_PROCESS, pid) + nice);
}
}
#endif
}
}
namespace {
void
DelayedDeleteSubprocess(GeckoChildProcessHost* aSubprocess)
{
XRE_GetIOMessageLoop()
->PostTask(FROM_HERE,
new DeleteTask<GeckoChildProcessHost>(aSubprocess));
}
// This runnable only exists to delegate ownership of the
// ContentParent to this runnable, until it's deleted by the event
// system.
struct DelayedDeleteContentParentTask : public nsRunnable
{
DelayedDeleteContentParentTask(ContentParent* aObj) : mObj(aObj) { }
// No-op
NS_IMETHODIMP Run() { return NS_OK; }
nsRefPtr<ContentParent> mObj;
};
}
void
ContentParent::ActorDestroy(ActorDestroyReason why)
{
nsCOMPtr<nsIThreadObserver>
kungFuDeathGrip(static_cast<nsIThreadObserver*>(this));
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
if (obs) {
obs->RemoveObserver(static_cast<nsIObserver*>(this), "xpcom-shutdown");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "memory-pressure");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-memory-reporter-request");
obs->RemoveObserver(static_cast<nsIObserver*>(this), NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC);
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-gc-request");
obs->RemoveObserver(static_cast<nsIObserver*>(this), "child-cc-request");
#ifdef ACCESSIBILITY
obs->RemoveObserver(static_cast<nsIObserver*>(this), "a11y-init-or-shutdown");
#endif
}
mMessageManager->Disconnect();
// clear the child memory reporters
InfallibleTArray<MemoryReport> empty;
SetChildMemoryReporters(empty);
// remove the global remote preferences observers
nsCOMPtr<nsIPrefBranch2> prefs
(do_GetService(NS_PREFSERVICE_CONTRACTID));
if (prefs) {
prefs->RemoveObserver("", this);
}
RecvRemoveGeolocationListener();
RecvRemoveDeviceMotionListener();
nsCOMPtr<nsIThreadInternal>
threadInt(do_QueryInterface(NS_GetCurrentThread()));
if (threadInt)
threadInt->SetObserver(mOldObserver);
if (mRunToCompletionDepth)
mRunToCompletionDepth = 0;
if (gContentParents) {
gContentParents->RemoveElement(this);
if (!gContentParents->Length()) {
delete gContentParents;
gContentParents = NULL;
}
}
mIsAlive = false;
if (obs) {
nsRefPtr<nsHashPropertyBag> props = new nsHashPropertyBag();
props->Init();
if (AbnormalShutdown == why) {
props->SetPropertyAsBool(NS_LITERAL_STRING("abnormal"), true);
#ifdef MOZ_CRASHREPORTER
MOZ_ASSERT(ManagedPCrashReporterParent().Length() > 0);
CrashReporterParent* crashReporter =
static_cast<CrashReporterParent*>(ManagedPCrashReporterParent()[0]);
crashReporter->GenerateCrashReport(this, NULL);
nsAutoString dumpID(crashReporter->ChildDumpID());
props->SetPropertyAsAString(NS_LITERAL_STRING("dumpID"), dumpID);
#endif
obs->NotifyObservers((nsIPropertyBag2*) props, "ipc:content-shutdown", nsnull);
}
}
MessageLoop::current()->
PostTask(FROM_HERE,
NewRunnableFunction(DelayedDeleteSubprocess, mSubprocess));
mSubprocess = NULL;
// IPDL rules require actors to live on past ActorDestroy, but it
// may be that the kungFuDeathGrip above is the last reference to
// |this|. If so, when we go out of scope here, we're deleted and
// all hell breaks loose.
//
// This runnable ensures that a reference to |this| lives on at
// least until after the current task finishes running.
NS_DispatchToCurrentThread(new DelayedDeleteContentParentTask(this));
}
TabParent*
ContentParent::CreateTab(PRUint32 aChromeFlags)
{
return static_cast<TabParent*>(SendPBrowserConstructor(aChromeFlags));
}
TestShellParent*
ContentParent::CreateTestShell()
{
return static_cast<TestShellParent*>(SendPTestShellConstructor());
}
bool
ContentParent::DestroyTestShell(TestShellParent* aTestShell)
{
return PTestShellParent::Send__delete__(aTestShell);
}
TestShellParent*
ContentParent::GetTestShellSingleton()
{
if (!ManagedPTestShellParent().Length())
return nsnull;
return static_cast<TestShellParent*>(ManagedPTestShellParent()[0]);
}
ContentParent::ContentParent()
: mGeolocationWatchID(-1)
, mRunToCompletionDepth(0)
, mShouldCallUnblockChild(false)
, mIsAlive(true)
, mSendPermissionUpdates(false)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
mSubprocess = new GeckoChildProcessHost(GeckoProcessType_Content);
mSubprocess->AsyncLaunch();
Open(mSubprocess->GetChannel(), mSubprocess->GetChildProcessHandle());
nsCOMPtr<nsIChromeRegistry> registrySvc = nsChromeRegistry::GetService();
nsChromeRegistryChrome* chromeRegistry =
static_cast<nsChromeRegistryChrome*>(registrySvc.get());
chromeRegistry->SendRegisteredChrome(this);
mMessageManager = nsFrameMessageManager::NewProcessMessageManager(this);
if (gAppData) {
nsCString version(gAppData->version);
nsCString buildID(gAppData->buildID);
//Sending all information to content process
SendAppInfo(version, buildID);
}
}
ContentParent::~ContentParent()
{
if (OtherProcess())
base::CloseProcessHandle(OtherProcess());
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(!gContentParents || !gContentParents->Contains(this),
"Should have been removed in ActorDestroy");
}
bool
ContentParent::IsAlive()
{
return mIsAlive;
}
bool
ContentParent::RecvReadPrefsArray(InfallibleTArray<PrefTuple> *prefs)
{
EnsurePrefService();
mPrefService->MirrorPreferences(prefs);
return true;
}
bool
ContentParent::RecvReadFontList(InfallibleTArray<FontListEntry>* retValue)
{
#ifdef ANDROID
gfxAndroidPlatform::GetPlatform()->GetFontList(retValue);
#endif
return true;
}
void
ContentParent::EnsurePrefService()
{
nsresult rv;
if (!mPrefService) {
mPrefService = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
NS_ASSERTION(NS_SUCCEEDED(rv),
"We lost prefService in the Chrome process !");
}
}
bool
ContentParent::RecvReadPermissions(InfallibleTArray<IPC::Permission>* aPermissions)
{
#ifdef MOZ_PERMISSIONS
nsCOMPtr<nsIPermissionManager> permissionManagerIface =
do_GetService(NS_PERMISSIONMANAGER_CONTRACTID);
nsPermissionManager* permissionManager =
static_cast<nsPermissionManager*>(permissionManagerIface.get());
NS_ABORT_IF_FALSE(permissionManager,
"We have no permissionManager in the Chrome process !");
nsCOMPtr<nsISimpleEnumerator> enumerator;
DebugOnly<nsresult> rv = permissionManager->GetEnumerator(getter_AddRefs(enumerator));
NS_ABORT_IF_FALSE(NS_SUCCEEDED(rv), "Could not get enumerator!");
while(1) {
bool hasMore;
enumerator->HasMoreElements(&hasMore);
if (!hasMore)
break;
nsCOMPtr<nsISupports> supp;
enumerator->GetNext(getter_AddRefs(supp));
nsCOMPtr<nsIPermission> perm = do_QueryInterface(supp);
nsCString host;
perm->GetHost(host);
nsCString type;
perm->GetType(type);
PRUint32 capability;
perm->GetCapability(&capability);
PRUint32 expireType;
perm->GetExpireType(&expireType);
PRInt64 expireTime;
perm->GetExpireTime(&expireTime);
aPermissions->AppendElement(IPC::Permission(host, type, capability,
expireType, expireTime));
}
// Ask for future changes
mSendPermissionUpdates = true;
#endif
return true;
}
bool
ContentParent::RecvGetIndexedDBDirectory(nsString* aDirectory)
{
indexedDB::IDBFactory::NoteUsedByProcessType(GeckoProcessType_Content);
nsCOMPtr<nsIFile> dbDirectory;
nsresult rv = indexedDB::IDBFactory::GetDirectory(getter_AddRefs(dbDirectory));
if (NS_FAILED(rv)) {
NS_ERROR("Failed to get IndexedDB directory");
return true;
}
dbDirectory->GetPath(*aDirectory);
return true;
}
bool
ContentParent::RecvSetClipboardText(const nsString& text, const PRInt32& whichClipboard)
{
nsresult rv;
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
NS_ENSURE_SUCCESS(rv, true);
nsCOMPtr<nsISupportsString> dataWrapper =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, true);
rv = dataWrapper->SetData(text);
NS_ENSURE_SUCCESS(rv, true);
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
NS_ENSURE_SUCCESS(rv, true);
// If our data flavor has already been added, this will fail. But we don't care
trans->AddDataFlavor(kUnicodeMime);
nsCOMPtr<nsISupports> nsisupportsDataWrapper =
do_QueryInterface(dataWrapper);
rv = trans->SetTransferData(kUnicodeMime, nsisupportsDataWrapper,
text.Length() * sizeof(PRUnichar));
NS_ENSURE_SUCCESS(rv, true);
clipboard->SetData(trans, NULL, whichClipboard);
return true;
}
bool
ContentParent::RecvGetClipboardText(const PRInt32& whichClipboard, nsString* text)
{
nsresult rv;
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
NS_ENSURE_SUCCESS(rv, true);
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
NS_ENSURE_SUCCESS(rv, true);
clipboard->GetData(trans, whichClipboard);
nsCOMPtr<nsISupports> tmp;
PRUint32 len;
rv = trans->GetTransferData(kUnicodeMime, getter_AddRefs(tmp), &len);
if (NS_FAILED(rv))
return false;
nsCOMPtr<nsISupportsString> supportsString = do_QueryInterface(tmp);
// No support for non-text data
if (!supportsString)
return false;
supportsString->GetData(*text);
return true;
}
bool
ContentParent::RecvEmptyClipboard()
{
nsresult rv;
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
NS_ENSURE_SUCCESS(rv, true);
clipboard->EmptyClipboard(nsIClipboard::kGlobalClipboard);
return true;
}
bool
ContentParent::RecvClipboardHasText(bool* hasText)
{
nsresult rv;
nsCOMPtr<nsIClipboard> clipboard(do_GetService(kCClipboardCID, &rv));
NS_ENSURE_SUCCESS(rv, true);
clipboard->HasDataMatchingFlavors(sClipboardTextFlavors, 1,
nsIClipboard::kGlobalClipboard, hasText);
return true;
}
bool
ContentParent::RecvGetSystemColors(const PRUint32& colorsCount, InfallibleTArray<PRUint32>* colors)
{
#ifdef ANDROID
NS_ASSERTION(AndroidBridge::Bridge() != nsnull, "AndroidBridge is not available");
if (AndroidBridge::Bridge() == nsnull) {
// Do not fail - the colors won't be right, but it's not critical
return true;
}
colors->AppendElements(colorsCount);
// The array elements correspond to the members of AndroidSystemColors structure,
// so just pass the pointer to the elements buffer
AndroidBridge::Bridge()->GetSystemColors((AndroidSystemColors*)colors->Elements());
#endif
return true;
}
bool
ContentParent::RecvGetIconForExtension(const nsCString& aFileExt, const PRUint32& aIconSize, InfallibleTArray<PRUint8>* bits)
{
#ifdef ANDROID
NS_ASSERTION(AndroidBridge::Bridge() != nsnull, "AndroidBridge is not available");
if (AndroidBridge::Bridge() == nsnull) {
// Do not fail - just no icon will be shown
return true;
}
bits->AppendElements(aIconSize * aIconSize * 4);
AndroidBridge::Bridge()->GetIconForExtension(aFileExt, aIconSize, bits->Elements());
#endif
return true;
}
bool
ContentParent::RecvGetShowPasswordSetting(bool* showPassword)
{
// default behavior is to show the last password character
*showPassword = true;
#ifdef ANDROID
NS_ASSERTION(AndroidBridge::Bridge() != nsnull, "AndroidBridge is not available");
if (AndroidBridge::Bridge() != nsnull)
*showPassword = AndroidBridge::Bridge()->GetShowPasswordSetting();
#endif
return true;
}
NS_IMPL_THREADSAFE_ISUPPORTS4(ContentParent,
nsIObserver,
nsIThreadObserver,
nsIDOMGeoPositionCallback,
nsIDeviceMotionListener)
NS_IMETHODIMP
ContentParent::Observe(nsISupports* aSubject,
const char* aTopic,
const PRUnichar* aData)
{
if (!strcmp(aTopic, "xpcom-shutdown") && mSubprocess) {
Close();
NS_ASSERTION(!mSubprocess, "Close should have nulled mSubprocess");
}
if (!mIsAlive || !mSubprocess)
return NS_OK;
// listening for memory pressure event
if (!strcmp(aTopic, "memory-pressure")) {
unused << SendFlushMemory(nsDependentString(aData));
}
// listening for remotePrefs...
else if (!strcmp(aTopic, "nsPref:changed")) {
// We know prefs are ASCII here.
NS_LossyConvertUTF16toASCII strData(aData);
nsCOMPtr<nsIPrefServiceInternal> prefService =
do_GetService("@mozilla.org/preferences-service;1");
bool prefNeedUpdate;
prefService->PrefHasUserValue(strData, &prefNeedUpdate);
// If the pref does not have a user value, check if it exist on the
// default branch or not
if (!prefNeedUpdate) {
nsCOMPtr<nsIPrefBranch> defaultBranch;
nsCOMPtr<nsIPrefService> prefsService = do_QueryInterface(prefService);
prefsService->GetDefaultBranch(nsnull, getter_AddRefs(defaultBranch));
PRInt32 prefType = nsIPrefBranch::PREF_INVALID;
defaultBranch->GetPrefType(strData.get(), &prefType);
prefNeedUpdate = (prefType != nsIPrefBranch::PREF_INVALID);
}
if (prefNeedUpdate) {
// Pref was created, or previously existed and its value
// changed.
PrefTuple pref;
#ifdef DEBUG
nsresult rv =
#endif
prefService->MirrorPreference(strData, &pref);
NS_ASSERTION(NS_SUCCEEDED(rv), "Pref has value but can't mirror?");
if (!SendPreferenceUpdate(pref)) {
return NS_ERROR_NOT_AVAILABLE;
}
} else {
// Pref wasn't found. It was probably removed.
if (!SendClearUserPreference(strData)) {
return NS_ERROR_NOT_AVAILABLE;
}
}
}
else if (!strcmp(aTopic, NS_IPC_IOSERVICE_SET_OFFLINE_TOPIC)) {
NS_ConvertUTF16toUTF8 dataStr(aData);
const char *offline = dataStr.get();
if (!SendSetOffline(!strcmp(offline, "true") ? true : false))
return NS_ERROR_NOT_AVAILABLE;
}
// listening for alert notifications
else if (!strcmp(aTopic, "alertfinished") ||
!strcmp(aTopic, "alertclickcallback") ) {
if (!SendNotifyAlertsObserver(nsDependentCString(aTopic),
nsDependentString(aData)))
return NS_ERROR_NOT_AVAILABLE;
}
else if (!strcmp(aTopic, "child-memory-reporter-request")) {
unused << SendPMemoryReportRequestConstructor();
}
else if (!strcmp(aTopic, "child-gc-request")){
SendGarbageCollect();
}
else if (!strcmp(aTopic, "child-cc-request")){
SendCycleCollect();
}
#ifdef ACCESSIBILITY
// Make sure accessibility is running in content process when accessibility
// gets initiated in chrome process.
else if (aData && (*aData == '1') &&
!strcmp(aTopic, "a11y-init-or-shutdown")) {
unused << SendActivateA11y();
}
#endif
return NS_OK;
}
PBrowserParent*
ContentParent::AllocPBrowser(const PRUint32& aChromeFlags)
{
TabParent* parent = new TabParent();
if (parent){
NS_ADDREF(parent);
}
return parent;
}
bool
ContentParent::DeallocPBrowser(PBrowserParent* frame)
{
TabParent* parent = static_cast<TabParent*>(frame);
NS_RELEASE(parent);
return true;
}
PCrashReporterParent*
ContentParent::AllocPCrashReporter(const NativeThreadId& tid,
const PRUint32& processType)
{
#ifdef MOZ_CRASHREPORTER
return new CrashReporterParent();
#else
return nsnull;
#endif
}
bool
ContentParent::RecvPCrashReporterConstructor(PCrashReporterParent* actor,
const NativeThreadId& tid,
const PRUint32& processType)
{
static_cast<CrashReporterParent*>(actor)->SetChildData(tid, processType);
return true;
}
bool
ContentParent::DeallocPCrashReporter(PCrashReporterParent* crashreporter)
{
delete crashreporter;
return true;
}
PHalParent*
ContentParent::AllocPHal()
{
return CreateHalParent();
}
bool
ContentParent::DeallocPHal(PHalParent* aHal)
{
delete aHal;
return true;
}
PMemoryReportRequestParent*
ContentParent::AllocPMemoryReportRequest()
{
MemoryReportRequestParent* parent = new MemoryReportRequestParent();
return parent;
}
bool
ContentParent::DeallocPMemoryReportRequest(PMemoryReportRequestParent* actor)
{
delete actor;
return true;
}
void
ContentParent::SetChildMemoryReporters(const InfallibleTArray<MemoryReport>& report)
{
nsCOMPtr<nsIMemoryReporterManager> mgr =
do_GetService("@mozilla.org/memory-reporter-manager;1");
for (PRInt32 i = 0; i < mMemoryReporters.Count(); i++)
mgr->UnregisterReporter(mMemoryReporters[i]);
for (PRUint32 i = 0; i < report.Length(); i++) {
nsCString process = report[i].process();
nsCString path = report[i].path();
PRInt32 kind = report[i].kind();
PRInt32 units = report[i].units();
PRInt64 amount = report[i].amount();
nsCString desc = report[i].desc();
nsRefPtr<nsMemoryReporter> r =
new nsMemoryReporter(process, path, kind, units, amount, desc);
mMemoryReporters.AppendObject(r);
mgr->RegisterReporter(r);
}
nsCOMPtr<nsIObserverService> obs =
do_GetService("@mozilla.org/observer-service;1");
if (obs)
obs->NotifyObservers(nsnull, "child-memory-reporter-update", nsnull);
}
PTestShellParent*
ContentParent::AllocPTestShell()
{
return new TestShellParent();
}
bool
ContentParent::DeallocPTestShell(PTestShellParent* shell)
{
delete shell;
return true;
}
PAudioParent*
ContentParent::AllocPAudio(const PRInt32& numChannels,
const PRInt32& rate,
const PRInt32& format)
{
#if defined(MOZ_SYDNEYAUDIO)
AudioParent *parent = new AudioParent(numChannels, rate, format);
NS_ADDREF(parent);
return parent;
#else
return nsnull;
#endif
}
bool
ContentParent::DeallocPAudio(PAudioParent* doomed)
{
#if defined(MOZ_SYDNEYAUDIO)
AudioParent *parent = static_cast<AudioParent*>(doomed);
NS_RELEASE(parent);
#endif
return true;
}
PNeckoParent*
ContentParent::AllocPNecko()
{
return new NeckoParent();
}
bool
ContentParent::DeallocPNecko(PNeckoParent* necko)
{
delete necko;
return true;
}
PExternalHelperAppParent*
ContentParent::AllocPExternalHelperApp(const IPC::URI& uri,
const nsCString& aMimeContentType,
const nsCString& aContentDisposition,
const bool& aForceSave,
const PRInt64& aContentLength,
const IPC::URI& aReferrer)
{
ExternalHelperAppParent *parent = new ExternalHelperAppParent(uri, aContentLength);
parent->AddRef();
parent->Init(this, aMimeContentType, aContentDisposition, aForceSave, aReferrer);
return parent;
}
bool
ContentParent::DeallocPExternalHelperApp(PExternalHelperAppParent* aService)
{
ExternalHelperAppParent *parent = static_cast<ExternalHelperAppParent *>(aService);
parent->Release();
return true;
}
PStorageParent*
ContentParent::AllocPStorage(const StorageConstructData& aData)
{
return new StorageParent(aData);
}
bool
ContentParent::DeallocPStorage(PStorageParent* aActor)
{
delete aActor;
return true;
}
void
ContentParent::ReportChildAlreadyBlocked()
{
if (!mRunToCompletionDepth) {
#ifdef DEBUG
printf("Running to completion...\n");
#endif
mRunToCompletionDepth = 1;
mShouldCallUnblockChild = false;
}
}
bool
ContentParent::RequestRunToCompletion()
{
if (!mRunToCompletionDepth &&
BlockChild()) {
#ifdef DEBUG
printf("Running to completion...\n");
#endif
mRunToCompletionDepth = 1;
mShouldCallUnblockChild = true;
}
return !!mRunToCompletionDepth;
}
bool
ContentParent::RecvStartVisitedQuery(const IPC::URI& aURI)
{
nsCOMPtr<nsIURI> newURI(aURI);
nsCOMPtr<IHistory> history = services::GetHistoryService();
NS_ABORT_IF_FALSE(history, "History must exist at this point.");
if (history) {
history->RegisterVisitedCallback(newURI, nsnull);
}
return true;
}
bool
ContentParent::RecvVisitURI(const IPC::URI& uri,
const IPC::URI& referrer,
const PRUint32& flags)
{
nsCOMPtr<nsIURI> ourURI(uri);
nsCOMPtr<nsIURI> ourReferrer(referrer);
nsCOMPtr<IHistory> history = services::GetHistoryService();
NS_ABORT_IF_FALSE(history, "History must exist at this point");
if (history) {
history->VisitURI(ourURI, ourReferrer, flags);
}
return true;
}
bool
ContentParent::RecvSetURITitle(const IPC::URI& uri,
const nsString& title)
{
nsCOMPtr<nsIURI> ourURI(uri);
nsCOMPtr<IHistory> history = services::GetHistoryService();
NS_ABORT_IF_FALSE(history, "History must exist at this point");
if (history) {
history->SetURITitle(ourURI, title);
}
return true;
}
bool
ContentParent::RecvShowFilePicker(const PRInt16& mode,
const PRInt16& selectedType,
const bool& addToRecentDocs,
const nsString& title,
const nsString& defaultFile,
const nsString& defaultExtension,
const InfallibleTArray<nsString>& filters,
const InfallibleTArray<nsString>& filterNames,
InfallibleTArray<nsString>* files,
PRInt16* retValue,
nsresult* result)
{
nsCOMPtr<nsIFilePicker> filePicker = do_CreateInstance("@mozilla.org/filepicker;1");
if (!filePicker) {
*result = NS_ERROR_NOT_AVAILABLE;
return true;
}
// as the parent given to the content process would be meaningless in this
// process, always use active window as the parent
nsCOMPtr<nsIWindowWatcher> ww = do_GetService(NS_WINDOWWATCHER_CONTRACTID);
nsCOMPtr<nsIDOMWindow> window;
ww->GetActiveWindow(getter_AddRefs(window));
// initialize the "real" picker with all data given
*result = filePicker->Init(window, title, mode);
if (NS_FAILED(*result))
return true;
filePicker->SetAddToRecentDocs(addToRecentDocs);
PRUint32 count = filters.Length();
for (PRUint32 i = 0; i < count; ++i) {
filePicker->AppendFilter(filterNames[i], filters[i]);
}
filePicker->SetDefaultString(defaultFile);
filePicker->SetDefaultExtension(defaultExtension);
filePicker->SetFilterIndex(selectedType);
// and finally open the dialog
*result = filePicker->Show(retValue);
if (NS_FAILED(*result))
return true;
if (mode == nsIFilePicker::modeOpenMultiple) {
nsCOMPtr<nsISimpleEnumerator> fileIter;
*result = filePicker->GetFiles(getter_AddRefs(fileIter));
nsCOMPtr<nsILocalFile> singleFile;
bool loop = true;
while (NS_SUCCEEDED(fileIter->HasMoreElements(&loop)) && loop) {
fileIter->GetNext(getter_AddRefs(singleFile));
if (singleFile) {
nsAutoString filePath;
singleFile->GetPath(filePath);
files->AppendElement(filePath);
}
}
return true;
}
nsCOMPtr<nsILocalFile> file;
filePicker->GetFile(getter_AddRefs(file));
// even with NS_OK file can be null if nothing was selected
if (file) {
nsAutoString filePath;
file->GetPath(filePath);
files->AppendElement(filePath);
}
return true;
}
bool
ContentParent::RecvLoadURIExternal(const IPC::URI& uri)
{
nsCOMPtr<nsIExternalProtocolService> extProtService(do_GetService(NS_EXTERNALPROTOCOLSERVICE_CONTRACTID));
if (!extProtService)
return true;
nsCOMPtr<nsIURI> ourURI(uri);
extProtService->LoadURI(ourURI, nsnull);
return true;
}
/* void onDispatchedEvent (in nsIThreadInternal thread); */
NS_IMETHODIMP
ContentParent::OnDispatchedEvent(nsIThreadInternal *thread)
{
if (mOldObserver)
return mOldObserver->OnDispatchedEvent(thread);
return NS_OK;
}
/* void onProcessNextEvent (in nsIThreadInternal thread, in boolean mayWait, in unsigned long recursionDepth); */
NS_IMETHODIMP
ContentParent::OnProcessNextEvent(nsIThreadInternal *thread,
bool mayWait,
PRUint32 recursionDepth)
{
if (mRunToCompletionDepth)
++mRunToCompletionDepth;
if (mOldObserver)
return mOldObserver->OnProcessNextEvent(thread, mayWait, recursionDepth);
return NS_OK;
}
/* void afterProcessNextEvent (in nsIThreadInternal thread, in unsigned long recursionDepth); */
NS_IMETHODIMP
ContentParent::AfterProcessNextEvent(nsIThreadInternal *thread,
PRUint32 recursionDepth)
{
if (mRunToCompletionDepth &&
!--mRunToCompletionDepth) {
#ifdef DEBUG
printf("... ran to completion.\n");
#endif
if (mShouldCallUnblockChild) {
mShouldCallUnblockChild = false;
UnblockChild();
}
}
if (mOldObserver)
return mOldObserver->AfterProcessNextEvent(thread, recursionDepth);
return NS_OK;
}
bool
ContentParent::RecvShowAlertNotification(const nsString& aImageUrl, const nsString& aTitle,
const nsString& aText, const bool& aTextClickable,
const nsString& aCookie, const nsString& aName)
{
nsCOMPtr<nsIAlertsService> sysAlerts(do_GetService(NS_ALERTSERVICE_CONTRACTID));
if (sysAlerts) {
sysAlerts->ShowAlertNotification(aImageUrl, aTitle, aText, aTextClickable,
aCookie, this, aName);
}
return true;
}
bool
ContentParent::RecvSyncMessage(const nsString& aMsg, const nsString& aJSON,
InfallibleTArray<nsString>* aRetvals)
{
nsRefPtr<nsFrameMessageManager> ppm = mMessageManager;
if (ppm) {
ppm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(ppm.get()),
aMsg,true, aJSON, nsnull, aRetvals);
}
return true;
}
bool
ContentParent::RecvAsyncMessage(const nsString& aMsg, const nsString& aJSON)
{
nsRefPtr<nsFrameMessageManager> ppm = mMessageManager;
if (ppm) {
ppm->ReceiveMessage(static_cast<nsIContentFrameMessageManager*>(ppm.get()),
aMsg, false, aJSON, nsnull, nsnull);
}
return true;
}
bool
ContentParent::RecvAddGeolocationListener()
{
if (mGeolocationWatchID == -1) {
nsCOMPtr<nsIDOMGeoGeolocation> geo = do_GetService("@mozilla.org/geolocation;1");
if (!geo) {
return true;
}
geo->WatchPosition(this, nsnull, nsnull, &mGeolocationWatchID);
}
return true;
}
bool
ContentParent::RecvRemoveGeolocationListener()
{
if (mGeolocationWatchID != -1) {
nsCOMPtr<nsIDOMGeoGeolocation> geo = do_GetService("@mozilla.org/geolocation;1");
if (!geo) {
return true;
}
geo->ClearWatch(mGeolocationWatchID);
mGeolocationWatchID = -1;
}
return true;
}
bool
ContentParent::RecvAddDeviceMotionListener()
{
nsCOMPtr<nsIDeviceMotion> dm =
do_GetService(NS_DEVICE_MOTION_CONTRACTID);
if (dm)
dm->AddListener(this);
return true;
}
bool
ContentParent::RecvRemoveDeviceMotionListener()
{
nsCOMPtr<nsIDeviceMotion> dm =
do_GetService(NS_DEVICE_MOTION_CONTRACTID);
if (dm)
dm->RemoveListener(this);
return true;
}
NS_IMETHODIMP
ContentParent::HandleEvent(nsIDOMGeoPosition* postion)
{
unused << SendGeolocationUpdate(GeoPosition(postion));
return NS_OK;
}
bool
ContentParent::RecvConsoleMessage(const nsString& aMessage)
{
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
if (!svc)
return true;
nsRefPtr<nsConsoleMessage> msg(new nsConsoleMessage(aMessage.get()));
svc->LogMessage(msg);
return true;
}
bool
ContentParent::RecvScriptError(const nsString& aMessage,
const nsString& aSourceName,
const nsString& aSourceLine,
const PRUint32& aLineNumber,
const PRUint32& aColNumber,
const PRUint32& aFlags,
const nsCString& aCategory)
{
nsCOMPtr<nsIConsoleService> svc(do_GetService(NS_CONSOLESERVICE_CONTRACTID));
if (!svc)
return true;
nsCOMPtr<nsIScriptError> msg(do_CreateInstance(NS_SCRIPTERROR_CONTRACTID));
nsresult rv = msg->Init(aMessage.get(), aSourceName.get(), aSourceLine.get(),
aLineNumber, aColNumber, aFlags, aCategory.get());
if (NS_FAILED(rv))
return true;
svc->LogMessage(msg);
return true;
}
NS_IMETHODIMP
ContentParent::OnMotionChange(nsIDeviceMotionData *aDeviceData) {
PRUint32 type;
double x, y, z;
aDeviceData->GetType(&type);
aDeviceData->GetX(&x);
aDeviceData->GetY(&y);
aDeviceData->GetZ(&z);
unused << SendDeviceMotionChanged(type, x, y, z);
return NS_OK;
}
} // namespace dom
} // namespace mozilla
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