gecko-dev/ipc/glue/BackgroundParentImpl.cpp
Nicholas Nethercote ca40b738e4 Bug 1294620 - Use infallible XPIDL attribute getters more. r=erahm.
This makes a lot of code more compact, and also avoids some redundant nsresult
checks.

The patch also removes a handful of redundant checks on infallible setters.

--HG--
extra : rebase_source : f82426e7584d0d5cddf7c2524356f0f318fbea7d
2016-08-12 15:19:29 +10:00

960 lines
25 KiB
C++

/* -*- 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/. */
#include "BackgroundParentImpl.h"
#include "BroadcastChannelParent.h"
#include "FileDescriptorSetParent.h"
#ifdef MOZ_WEBRTC
#include "CamerasParent.h"
#endif
#include "mozilla/media/MediaParent.h"
#include "mozilla/AppProcessChecker.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/FileSystemBase.h"
#include "mozilla/dom/FileSystemRequestParent.h"
#ifdef MOZ_GAMEPAD
#include "mozilla/dom/GamepadEventChannelParent.h"
#include "mozilla/dom/GamepadTestChannelParent.h"
#endif
#include "mozilla/dom/PBlobParent.h"
#include "mozilla/dom/PGamepadEventChannelParent.h"
#include "mozilla/dom/PGamepadTestChannelParent.h"
#include "mozilla/dom/MessagePortParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/dom/asmjscache/AsmJSCache.h"
#include "mozilla/dom/cache/ActorUtils.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/dom/ipc/BlobParent.h"
#include "mozilla/dom/quota/ActorsParent.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "mozilla/ipc/PBackgroundTestParent.h"
#include "mozilla/ipc/PSendStreamParent.h"
#include "mozilla/ipc/SendStreamAlloc.h"
#include "mozilla/layout/VsyncParent.h"
#include "mozilla/dom/network/UDPSocketParent.h"
#include "mozilla/Preferences.h"
#include "nsIAppsService.h"
#include "nsNetUtil.h"
#include "nsIScriptSecurityManager.h"
#include "nsProxyRelease.h"
#include "mozilla/RefPtr.h"
#include "nsThreadUtils.h"
#include "nsTraceRefcnt.h"
#include "nsXULAppAPI.h"
#include "ServiceWorkerManagerParent.h"
#ifdef DISABLE_ASSERTS_FOR_FUZZING
#define ASSERT_UNLESS_FUZZING(...) do { } while (0)
#else
#define ASSERT_UNLESS_FUZZING(...) MOZ_ASSERT(false)
#endif
using mozilla::ipc::AssertIsOnBackgroundThread;
using mozilla::dom::asmjscache::PAsmJSCacheEntryParent;
using mozilla::dom::cache::PCacheParent;
using mozilla::dom::cache::PCacheStorageParent;
using mozilla::dom::cache::PCacheStreamControlParent;
using mozilla::dom::FileSystemBase;
using mozilla::dom::FileSystemRequestParent;
using mozilla::dom::MessagePortParent;
using mozilla::dom::PMessagePortParent;
using mozilla::dom::UDPSocketParent;
namespace {
void
AssertIsOnMainThread()
{
MOZ_ASSERT(NS_IsMainThread());
}
class TestParent final : public mozilla::ipc::PBackgroundTestParent
{
friend class mozilla::ipc::BackgroundParentImpl;
TestParent()
{
MOZ_COUNT_CTOR(TestParent);
}
protected:
~TestParent()
{
MOZ_COUNT_DTOR(TestParent);
}
public:
virtual void
ActorDestroy(ActorDestroyReason aWhy) override;
};
} // namespace
namespace mozilla {
namespace ipc {
using mozilla::dom::ContentParent;
using mozilla::dom::BroadcastChannelParent;
using mozilla::dom::ServiceWorkerRegistrationData;
using mozilla::dom::workers::ServiceWorkerManagerParent;
BackgroundParentImpl::BackgroundParentImpl()
{
AssertIsInMainProcess();
AssertIsOnMainThread();
MOZ_COUNT_CTOR(mozilla::ipc::BackgroundParentImpl);
}
BackgroundParentImpl::~BackgroundParentImpl()
{
AssertIsInMainProcess();
AssertIsOnMainThread();
MOZ_COUNT_DTOR(mozilla::ipc::BackgroundParentImpl);
}
void
BackgroundParentImpl::ActorDestroy(ActorDestroyReason aWhy)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
BackgroundParentImpl::PBackgroundTestParent*
BackgroundParentImpl::AllocPBackgroundTestParent(const nsCString& aTestArg)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new TestParent();
}
bool
BackgroundParentImpl::RecvPBackgroundTestConstructor(
PBackgroundTestParent* aActor,
const nsCString& aTestArg)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return PBackgroundTestParent::Send__delete__(aActor, aTestArg);
}
bool
BackgroundParentImpl::DeallocPBackgroundTestParent(
PBackgroundTestParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<TestParent*>(aActor);
return true;
}
auto
BackgroundParentImpl::AllocPBackgroundIDBFactoryParent(
const LoggingInfo& aLoggingInfo)
-> PBackgroundIDBFactoryParent*
{
using mozilla::dom::indexedDB::AllocPBackgroundIDBFactoryParent;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return AllocPBackgroundIDBFactoryParent(aLoggingInfo);
}
bool
BackgroundParentImpl::RecvPBackgroundIDBFactoryConstructor(
PBackgroundIDBFactoryParent* aActor,
const LoggingInfo& aLoggingInfo)
{
using mozilla::dom::indexedDB::RecvPBackgroundIDBFactoryConstructor;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return RecvPBackgroundIDBFactoryConstructor(aActor, aLoggingInfo);
}
bool
BackgroundParentImpl::DeallocPBackgroundIDBFactoryParent(
PBackgroundIDBFactoryParent* aActor)
{
using mozilla::dom::indexedDB::DeallocPBackgroundIDBFactoryParent;
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return DeallocPBackgroundIDBFactoryParent(aActor);
}
auto
BackgroundParentImpl::AllocPBackgroundIndexedDBUtilsParent()
-> PBackgroundIndexedDBUtilsParent*
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return mozilla::dom::indexedDB::AllocPBackgroundIndexedDBUtilsParent();
}
bool
BackgroundParentImpl::DeallocPBackgroundIndexedDBUtilsParent(
PBackgroundIndexedDBUtilsParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return
mozilla::dom::indexedDB::DeallocPBackgroundIndexedDBUtilsParent(aActor);
}
bool
BackgroundParentImpl::RecvFlushPendingFileDeletions()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return mozilla::dom::indexedDB::RecvFlushPendingFileDeletions();
}
auto
BackgroundParentImpl::AllocPBlobParent(const BlobConstructorParams& aParams)
-> PBlobParent*
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (NS_WARN_IF(aParams.type() !=
BlobConstructorParams::TParentBlobConstructorParams)) {
ASSERT_UNLESS_FUZZING();
return nullptr;
}
return mozilla::dom::BlobParent::Create(this, aParams);
}
bool
BackgroundParentImpl::DeallocPBlobParent(PBlobParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
mozilla::dom::BlobParent::Destroy(aActor);
return true;
}
bool
BackgroundParentImpl::RecvPBlobConstructor(PBlobParent* aActor,
const BlobConstructorParams& aParams)
{
const ParentBlobConstructorParams& params = aParams;
if (params.blobParams().type() == AnyBlobConstructorParams::TKnownBlobConstructorParams) {
return aActor->SendCreatedFromKnownBlob();
}
return true;
}
PFileDescriptorSetParent*
BackgroundParentImpl::AllocPFileDescriptorSetParent(
const FileDescriptor& aFileDescriptor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new FileDescriptorSetParent(aFileDescriptor);
}
bool
BackgroundParentImpl::DeallocPFileDescriptorSetParent(
PFileDescriptorSetParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<FileDescriptorSetParent*>(aActor);
return true;
}
PSendStreamParent*
BackgroundParentImpl::AllocPSendStreamParent()
{
return mozilla::ipc::AllocPSendStreamParent();
}
bool
BackgroundParentImpl::DeallocPSendStreamParent(PSendStreamParent* aActor)
{
delete aActor;
return true;
}
BackgroundParentImpl::PVsyncParent*
BackgroundParentImpl::AllocPVsyncParent()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<mozilla::layout::VsyncParent> actor =
mozilla::layout::VsyncParent::Create();
// There still has one ref-count after return, and it will be released in
// DeallocPVsyncParent().
return actor.forget().take();
}
bool
BackgroundParentImpl::DeallocPVsyncParent(PVsyncParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
// This actor already has one ref-count. Please check AllocPVsyncParent().
RefPtr<mozilla::layout::VsyncParent> actor =
dont_AddRef(static_cast<mozilla::layout::VsyncParent*>(aActor));
return true;
}
camera::PCamerasParent*
BackgroundParentImpl::AllocPCamerasParent()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
#ifdef MOZ_WEBRTC
RefPtr<mozilla::camera::CamerasParent> actor =
mozilla::camera::CamerasParent::Create();
return actor.forget().take();
#else
return nullptr;
#endif
}
bool
BackgroundParentImpl::DeallocPCamerasParent(camera::PCamerasParent *aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
#ifdef MOZ_WEBRTC
RefPtr<mozilla::camera::CamerasParent> actor =
dont_AddRef(static_cast<mozilla::camera::CamerasParent*>(aActor));
#endif
return true;
}
namespace {
class InitUDPSocketParentCallback final : public Runnable
{
public:
InitUDPSocketParentCallback(UDPSocketParent* aActor,
const nsACString& aFilter)
: mActor(aActor)
, mFilter(aFilter)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}
NS_IMETHOD
Run() override
{
AssertIsInMainProcess();
IPC::Principal principal;
if (!mActor->Init(principal, mFilter)) {
MOZ_CRASH("UDPSocketCallback - failed init");
}
return NS_OK;
}
private:
~InitUDPSocketParentCallback() {};
RefPtr<UDPSocketParent> mActor;
nsCString mFilter;
};
} // namespace
auto
BackgroundParentImpl::AllocPUDPSocketParent(const OptionalPrincipalInfo& /* unused */,
const nsCString& /* unused */)
-> PUDPSocketParent*
{
RefPtr<UDPSocketParent> p = new UDPSocketParent(this);
return p.forget().take();
}
bool
BackgroundParentImpl::RecvPUDPSocketConstructor(PUDPSocketParent* aActor,
const OptionalPrincipalInfo& aOptionalPrincipal,
const nsCString& aFilter)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (aOptionalPrincipal.type() == OptionalPrincipalInfo::TPrincipalInfo) {
// Support for checking principals (for non-mtransport use) will be handled in
// bug 1167039
return false;
}
// No principal - This must be from mtransport (WebRTC/ICE) - We'd want
// to DispatchToMainThread() here, but if we do we must block RecvBind()
// until Init() gets run. Since we don't have a principal, and we verify
// we have a filter, we can safely skip the Dispatch and just invoke Init()
// to install the filter.
// For mtransport, this will always be "stun", which doesn't allow outbound
// packets if they aren't STUN packets until a STUN response is seen.
if (!aFilter.EqualsASCII(NS_NETWORK_SOCKET_FILTER_HANDLER_STUN_SUFFIX)) {
return false;
}
IPC::Principal principal;
if (!static_cast<UDPSocketParent*>(aActor)->Init(principal, aFilter)) {
MOZ_CRASH("UDPSocketCallback - failed init");
}
return true;
}
bool
BackgroundParentImpl::DeallocPUDPSocketParent(PUDPSocketParent* actor)
{
UDPSocketParent* p = static_cast<UDPSocketParent*>(actor);
p->Release();
return true;
}
mozilla::dom::PBroadcastChannelParent*
BackgroundParentImpl::AllocPBroadcastChannelParent(
const PrincipalInfo& aPrincipalInfo,
const nsCString& aOrigin,
const nsString& aChannel)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
nsString originChannelKey;
// The format of originChannelKey is:
// <channelName>|<origin+OriginAttributes>
originChannelKey.Assign(aChannel);
originChannelKey.AppendLiteral("|");
originChannelKey.Append(NS_ConvertUTF8toUTF16(aOrigin));
return new BroadcastChannelParent(originChannelKey);
}
namespace {
struct MOZ_STACK_CLASS NullifyContentParentRAII
{
explicit NullifyContentParentRAII(RefPtr<ContentParent>& aContentParent)
: mContentParent(aContentParent)
{}
~NullifyContentParentRAII()
{
mContentParent = nullptr;
}
RefPtr<ContentParent>& mContentParent;
};
class CheckPrincipalRunnable final : public Runnable
{
public:
CheckPrincipalRunnable(already_AddRefed<ContentParent> aParent,
const PrincipalInfo& aPrincipalInfo,
const nsCString& aOrigin)
: mContentParent(aParent)
, mPrincipalInfo(aPrincipalInfo)
, mOrigin(aOrigin)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(mContentParent);
}
NS_IMETHOD Run() override
{
MOZ_ASSERT(NS_IsMainThread());
NullifyContentParentRAII raii(mContentParent);
nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(mPrincipalInfo);
AssertAppPrincipal(mContentParent, principal);
if (principal->GetIsNullPrincipal()) {
mContentParent->KillHard("BroadcastChannel killed: no null principal.");
return NS_OK;
}
nsAutoCString origin;
nsresult rv = principal->GetOrigin(origin);
if (NS_FAILED(rv)) {
mContentParent->KillHard("BroadcastChannel killed: principal::GetOrigin failed.");
return NS_OK;
}
if (NS_WARN_IF(!mOrigin.Equals(origin))) {
mContentParent->KillHard("BroadcastChannel killed: origins do not match.");
return NS_OK;
}
return NS_OK;
}
private:
RefPtr<ContentParent> mContentParent;
PrincipalInfo mPrincipalInfo;
nsCString mOrigin;
};
class CheckPermissionRunnable final : public Runnable
{
public:
CheckPermissionRunnable(already_AddRefed<ContentParent> aParent,
FileSystemRequestParent* aActor,
FileSystemBase::ePermissionCheckType aPermissionCheckType,
const nsCString& aPermissionName)
: mContentParent(aParent)
, mActor(aActor)
, mPermissionCheckType(aPermissionCheckType)
, mPermissionName(aPermissionName)
, mBackgroundEventTarget(NS_GetCurrentThread())
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(mContentParent);
MOZ_ASSERT(mBackgroundEventTarget);
MOZ_ASSERT(mPermissionCheckType == FileSystemBase::ePermissionCheckRequired ||
mPermissionCheckType == FileSystemBase::ePermissionCheckByTestingPref);
}
NS_IMETHOD
Run() override
{
if (NS_IsMainThread()) {
NullifyContentParentRAII raii(mContentParent);
// If the permission is granted, we go back to the background thread to
// dispatch this task.
if (CheckPermission()) {
return mBackgroundEventTarget->Dispatch(this, NS_DISPATCH_NORMAL);
}
return NS_OK;
}
AssertIsOnBackgroundThread();
// It can happen that this actor has been destroyed in the meantime we were
// on the main-thread.
if (!mActor->Destroyed()) {
mActor->Start();
}
return NS_OK;
}
private:
~CheckPermissionRunnable()
{
NS_ProxyRelease(mBackgroundEventTarget, mActor.forget());
}
bool
CheckPermission()
{
if (mPermissionCheckType == FileSystemBase::ePermissionCheckByTestingPref &&
mozilla::Preferences::GetBool("device.storage.prompt.testing", false)) {
return true;
}
if (!AssertAppProcessPermission(mContentParent.get(),
mPermissionName.get())) {
mContentParent->KillHard("PBackground actor killed: permission denied.");
return false;
}
return true;
}
RefPtr<ContentParent> mContentParent;
RefPtr<FileSystemRequestParent> mActor;
FileSystemBase::ePermissionCheckType mPermissionCheckType;
nsCString mPermissionName;
nsCOMPtr<nsIEventTarget> mBackgroundEventTarget;
};
} // namespace
bool
BackgroundParentImpl::RecvPBroadcastChannelConstructor(
PBroadcastChannelParent* actor,
const PrincipalInfo& aPrincipalInfo,
const nsCString& aOrigin,
const nsString& aChannel)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);
// If the ContentParent is null we are dealing with a same-process actor.
if (!parent) {
MOZ_ASSERT(aPrincipalInfo.type() != PrincipalInfo::TNullPrincipalInfo);
return true;
}
RefPtr<CheckPrincipalRunnable> runnable =
new CheckPrincipalRunnable(parent.forget(), aPrincipalInfo, aOrigin);
MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(runnable));
return true;
}
bool
BackgroundParentImpl::DeallocPBroadcastChannelParent(
PBroadcastChannelParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<BroadcastChannelParent*>(aActor);
return true;
}
mozilla::dom::PServiceWorkerManagerParent*
BackgroundParentImpl::AllocPServiceWorkerManagerParent()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<dom::workers::ServiceWorkerManagerParent> agent =
new dom::workers::ServiceWorkerManagerParent();
return agent.forget().take();
}
bool
BackgroundParentImpl::DeallocPServiceWorkerManagerParent(
PServiceWorkerManagerParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
RefPtr<dom::workers::ServiceWorkerManagerParent> parent =
dont_AddRef(static_cast<dom::workers::ServiceWorkerManagerParent*>(aActor));
MOZ_ASSERT(parent);
return true;
}
bool
BackgroundParentImpl::RecvShutdownServiceWorkerRegistrar()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
if (BackgroundParent::IsOtherProcessActor(this)) {
return false;
}
RefPtr<dom::ServiceWorkerRegistrar> service =
dom::ServiceWorkerRegistrar::Get();
MOZ_ASSERT(service);
service->Shutdown();
return true;
}
PCacheStorageParent*
BackgroundParentImpl::AllocPCacheStorageParent(const Namespace& aNamespace,
const PrincipalInfo& aPrincipalInfo)
{
return dom::cache::AllocPCacheStorageParent(this, aNamespace, aPrincipalInfo);
}
bool
BackgroundParentImpl::DeallocPCacheStorageParent(PCacheStorageParent* aActor)
{
dom::cache::DeallocPCacheStorageParent(aActor);
return true;
}
PCacheParent*
BackgroundParentImpl::AllocPCacheParent()
{
MOZ_CRASH("CacheParent actor must be provided to PBackground manager");
return nullptr;
}
bool
BackgroundParentImpl::DeallocPCacheParent(PCacheParent* aActor)
{
dom::cache::DeallocPCacheParent(aActor);
return true;
}
PCacheStreamControlParent*
BackgroundParentImpl::AllocPCacheStreamControlParent()
{
MOZ_CRASH("CacheStreamControlParent actor must be provided to PBackground manager");
return nullptr;
}
bool
BackgroundParentImpl::DeallocPCacheStreamControlParent(PCacheStreamControlParent* aActor)
{
dom::cache::DeallocPCacheStreamControlParent(aActor);
return true;
}
PMessagePortParent*
BackgroundParentImpl::AllocPMessagePortParent(const nsID& aUUID,
const nsID& aDestinationUUID,
const uint32_t& aSequenceID)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return new MessagePortParent(aUUID);
}
bool
BackgroundParentImpl::RecvPMessagePortConstructor(PMessagePortParent* aActor,
const nsID& aUUID,
const nsID& aDestinationUUID,
const uint32_t& aSequenceID)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MessagePortParent* mp = static_cast<MessagePortParent*>(aActor);
return mp->Entangle(aDestinationUUID, aSequenceID);
}
bool
BackgroundParentImpl::DeallocPMessagePortParent(PMessagePortParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
delete static_cast<MessagePortParent*>(aActor);
return true;
}
bool
BackgroundParentImpl::RecvMessagePortForceClose(const nsID& aUUID,
const nsID& aDestinationUUID,
const uint32_t& aSequenceID)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return MessagePortParent::ForceClose(aUUID, aDestinationUUID, aSequenceID);
}
PAsmJSCacheEntryParent*
BackgroundParentImpl::AllocPAsmJSCacheEntryParent(
const dom::asmjscache::OpenMode& aOpenMode,
const dom::asmjscache::WriteParams& aWriteParams,
const PrincipalInfo& aPrincipalInfo)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return
dom::asmjscache::AllocEntryParent(aOpenMode, aWriteParams, aPrincipalInfo);
}
bool
BackgroundParentImpl::DeallocPAsmJSCacheEntryParent(
PAsmJSCacheEntryParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
dom::asmjscache::DeallocEntryParent(aActor);
return true;
}
BackgroundParentImpl::PQuotaParent*
BackgroundParentImpl::AllocPQuotaParent()
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
return mozilla::dom::quota::AllocPQuotaParent();
}
bool
BackgroundParentImpl::DeallocPQuotaParent(PQuotaParent* aActor)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
MOZ_ASSERT(aActor);
return mozilla::dom::quota::DeallocPQuotaParent(aActor);
}
dom::PFileSystemRequestParent*
BackgroundParentImpl::AllocPFileSystemRequestParent(
const FileSystemParams& aParams)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<FileSystemRequestParent> result = new FileSystemRequestParent();
if (NS_WARN_IF(!result->Initialize(aParams))) {
return nullptr;
}
return result.forget().take();
}
bool
BackgroundParentImpl::RecvPFileSystemRequestConstructor(
PFileSystemRequestParent* aActor,
const FileSystemParams& aParams)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<FileSystemRequestParent> actor = static_cast<FileSystemRequestParent*>(aActor);
if (actor->PermissionCheckType() == FileSystemBase::ePermissionCheckNotRequired) {
actor->Start();
return true;
}
RefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);
// If the ContentParent is null we are dealing with a same-process actor.
if (!parent) {
actor->Start();
return true;
}
const nsCString& permissionName = actor->PermissionName();
MOZ_ASSERT(!permissionName.IsEmpty());
// At this point we should have the right permission but we do the last check
// with this runnable. If the app doesn't have the permission, we kill the
// child process.
RefPtr<CheckPermissionRunnable> runnable =
new CheckPermissionRunnable(parent.forget(), actor,
actor->PermissionCheckType(), permissionName);
nsresult rv = NS_DispatchToMainThread(runnable);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(rv));
return true;
}
bool
BackgroundParentImpl::DeallocPFileSystemRequestParent(
PFileSystemRequestParent* aDoomed)
{
AssertIsInMainProcess();
AssertIsOnBackgroundThread();
RefPtr<FileSystemRequestParent> parent =
dont_AddRef(static_cast<FileSystemRequestParent*>(aDoomed));
return true;
}
// Gamepad API Background IPC
dom::PGamepadEventChannelParent*
BackgroundParentImpl::AllocPGamepadEventChannelParent()
{
#ifdef MOZ_GAMEPAD
RefPtr<dom::GamepadEventChannelParent> parent =
new dom::GamepadEventChannelParent();
return parent.forget().take();
#else
return nullptr;
#endif
}
bool
BackgroundParentImpl::DeallocPGamepadEventChannelParent(dom::PGamepadEventChannelParent *aActor)
{
#ifdef MOZ_GAMEPAD
MOZ_ASSERT(aActor);
RefPtr<dom::GamepadEventChannelParent> parent =
dont_AddRef(static_cast<dom::GamepadEventChannelParent*>(aActor));
#endif
return true;
}
dom::PGamepadTestChannelParent*
BackgroundParentImpl::AllocPGamepadTestChannelParent()
{
#ifdef MOZ_GAMEPAD
RefPtr<dom::GamepadTestChannelParent> parent =
new dom::GamepadTestChannelParent();
return parent.forget().take();
#else
return nullptr;
#endif
}
bool
BackgroundParentImpl::DeallocPGamepadTestChannelParent(dom::PGamepadTestChannelParent *aActor)
{
#ifdef MOZ_GAMEPAD
MOZ_ASSERT(aActor);
RefPtr<dom::GamepadTestChannelParent> parent =
dont_AddRef(static_cast<dom::GamepadTestChannelParent*>(aActor));
#endif
return true;
}
} // namespace ipc
} // namespace mozilla
void
TestParent::ActorDestroy(ActorDestroyReason aWhy)
{
mozilla::ipc::AssertIsInMainProcess();
AssertIsOnBackgroundThread();
}