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gecko-dev/dom/presentation/ipc/PresentationIPCService.cpp

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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/. */
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/PermissionMessageUtils.h"
#include "mozilla/dom/PPresentation.h"
#include "mozilla/dom/BrowserParent.h"
#include "mozilla/ipc/InputStreamUtils.h"
#include "mozilla/ipc/URIUtils.h"
#include "nsGlobalWindow.h"
#include "nsIPresentationListener.h"
#include "PresentationCallbacks.h"
#include "PresentationChild.h"
#include "PresentationContentSessionInfo.h"
#include "PresentationIPCService.h"
#include "PresentationLog.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::ipc;
namespace {
PresentationChild* sPresentationChild;
} // namespace
NS_IMPL_ISUPPORTS(PresentationIPCService, nsIPresentationService,
nsIPresentationAvailabilityListener)
PresentationIPCService::PresentationIPCService() {
ContentChild* contentChild = ContentChild::GetSingleton();
if (NS_WARN_IF(!contentChild || contentChild->IsShuttingDown())) {
return;
}
sPresentationChild = new PresentationChild(this);
Unused << NS_WARN_IF(
!contentChild->SendPPresentationConstructor(sPresentationChild));
}
/* virtual */
PresentationIPCService::~PresentationIPCService() {
Shutdown();
mSessionListeners.Clear();
mSessionInfoAtController.Clear();
mSessionInfoAtReceiver.Clear();
sPresentationChild = nullptr;
}
NS_IMETHODIMP
PresentationIPCService::StartSession(
const nsTArray<nsString>& aUrls, const nsAString& aSessionId,
const nsAString& aOrigin, const nsAString& aDeviceId, uint64_t aWindowId,
EventTarget* aEventTarget, nsIPrincipal* aPrincipal,
nsIPresentationServiceCallback* aCallback,
nsIPresentationTransportBuilderConstructor* aBuilderConstructor) {
if (aWindowId != 0) {
AddRespondingSessionId(aWindowId, aSessionId,
nsIPresentationService::ROLE_CONTROLLER);
}
nsPIDOMWindowInner* window =
nsGlobalWindowInner::GetInnerWindowWithId(aWindowId);
TabId tabId = BrowserParent::GetTabIdFrom(window->GetDocShell());
SendRequest(aCallback, StartSessionRequest(
aUrls, nsString(aSessionId), nsString(aOrigin),
nsString(aDeviceId), aWindowId, tabId,
IPC::Principal(aPrincipal)));
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::SendSessionMessage(const nsAString& aSessionId,
uint8_t aRole,
const nsAString& aData) {
MOZ_ASSERT(!aSessionId.IsEmpty());
MOZ_ASSERT(!aData.IsEmpty());
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
// data channel session transport is maintained by content process
if (info) {
return info->Send(aData);
}
SendRequest(nullptr, SendSessionMessageRequest(nsString(aSessionId), aRole,
nsString(aData)));
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::SendSessionBinaryMsg(const nsAString& aSessionId,
uint8_t aRole,
const nsACString& aData) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!aData.IsEmpty());
MOZ_ASSERT(!aSessionId.IsEmpty());
MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
aRole == nsIPresentationService::ROLE_RECEIVER);
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
// data channel session transport is maintained by content process
if (info) {
return info->SendBinaryMsg(aData);
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
PresentationIPCService::SendSessionBlob(const nsAString& aSessionId,
uint8_t aRole, Blob* aBlob) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!aSessionId.IsEmpty());
MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
aRole == nsIPresentationService::ROLE_RECEIVER);
MOZ_ASSERT(aBlob);
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
// data channel session transport is maintained by content process
if (info) {
return info->SendBlob(aBlob);
}
return NS_ERROR_NOT_AVAILABLE;
}
NS_IMETHODIMP
PresentationIPCService::CloseSession(const nsAString& aSessionId, uint8_t aRole,
uint8_t aClosedReason) {
MOZ_ASSERT(!aSessionId.IsEmpty());
SendRequest(nullptr,
CloseSessionRequest(nsString(aSessionId), aRole, aClosedReason));
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
if (info) {
return info->Close(NS_OK);
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::TerminateSession(const nsAString& aSessionId,
uint8_t aRole) {
MOZ_ASSERT(!aSessionId.IsEmpty());
SendRequest(nullptr, TerminateSessionRequest(nsString(aSessionId), aRole));
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
if (info) {
return info->Close(NS_OK);
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::ReconnectSession(
const nsTArray<nsString>& aUrls, const nsAString& aSessionId, uint8_t aRole,
nsIPresentationServiceCallback* aCallback) {
MOZ_ASSERT(!aSessionId.IsEmpty());
if (aRole != nsIPresentationService::ROLE_CONTROLLER) {
MOZ_ASSERT(false, "Only controller can call ReconnectSession.");
return NS_ERROR_INVALID_ARG;
}
SendRequest(aCallback,
ReconnectSessionRequest(aUrls, nsString(aSessionId), aRole));
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::BuildTransport(const nsAString& aSessionId,
uint8_t aRole) {
MOZ_ASSERT(!aSessionId.IsEmpty());
if (aRole != nsIPresentationService::ROLE_CONTROLLER) {
MOZ_ASSERT(false, "Only controller can call ReconnectSession.");
return NS_ERROR_INVALID_ARG;
}
SendRequest(nullptr, BuildTransportRequest(nsString(aSessionId), aRole));
return NS_OK;
}
void PresentationIPCService::SendRequest(
nsIPresentationServiceCallback* aCallback,
const PresentationIPCRequest& aRequest) {
if (sPresentationChild) {
PresentationRequestChild* actor = new PresentationRequestChild(aCallback);
Unused << NS_WARN_IF(
!sPresentationChild->SendPPresentationRequestConstructor(actor,
aRequest));
}
}
NS_IMETHODIMP
PresentationIPCService::RegisterAvailabilityListener(
const nsTArray<nsString>& aAvailabilityUrls,
nsIPresentationAvailabilityListener* aListener) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!aAvailabilityUrls.IsEmpty());
MOZ_ASSERT(aListener);
nsTArray<nsString> addedUrls;
mAvailabilityManager.AddAvailabilityListener(aAvailabilityUrls, aListener,
addedUrls);
if (sPresentationChild && !addedUrls.IsEmpty()) {
Unused << NS_WARN_IF(
!sPresentationChild->SendRegisterAvailabilityHandler(addedUrls));
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::UnregisterAvailabilityListener(
const nsTArray<nsString>& aAvailabilityUrls,
nsIPresentationAvailabilityListener* aListener) {
MOZ_ASSERT(NS_IsMainThread());
nsTArray<nsString> removedUrls;
mAvailabilityManager.RemoveAvailabilityListener(aAvailabilityUrls, aListener,
removedUrls);
if (sPresentationChild && !removedUrls.IsEmpty()) {
Unused << NS_WARN_IF(
!sPresentationChild->SendUnregisterAvailabilityHandler(removedUrls));
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::RegisterSessionListener(
const nsAString& aSessionId, uint8_t aRole,
nsIPresentationSessionListener* aListener) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aListener);
nsCOMPtr<nsIPresentationSessionListener> listener;
if (mSessionListeners.Get(aSessionId, getter_AddRefs(listener))) {
mSessionListeners.Put(aSessionId, aListener);
return NS_OK;
}
mSessionListeners.Put(aSessionId, aListener);
if (sPresentationChild) {
Unused << NS_WARN_IF(!sPresentationChild->SendRegisterSessionHandler(
nsString(aSessionId), aRole));
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::UnregisterSessionListener(const nsAString& aSessionId,
uint8_t aRole) {
MOZ_ASSERT(NS_IsMainThread());
UntrackSessionInfo(aSessionId, aRole);
mSessionListeners.Remove(aSessionId);
if (sPresentationChild) {
Unused << NS_WARN_IF(!sPresentationChild->SendUnregisterSessionHandler(
nsString(aSessionId), aRole));
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::RegisterRespondingListener(
uint64_t aWindowId, nsIPresentationRespondingListener* aListener) {
MOZ_ASSERT(NS_IsMainThread());
mRespondingListeners.Put(aWindowId, aListener);
if (sPresentationChild) {
Unused << NS_WARN_IF(
!sPresentationChild->SendRegisterRespondingHandler(aWindowId));
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::UnregisterRespondingListener(uint64_t aWindowId) {
MOZ_ASSERT(NS_IsMainThread());
mRespondingListeners.Remove(aWindowId);
if (sPresentationChild) {
Unused << NS_WARN_IF(
!sPresentationChild->SendUnregisterRespondingHandler(aWindowId));
}
return NS_OK;
}
nsresult PresentationIPCService::NotifySessionTransport(
const nsString& aSessionId, const uint8_t& aRole,
nsIPresentationSessionTransport* aTransport) {
RefPtr<PresentationContentSessionInfo> info =
new PresentationContentSessionInfo(aSessionId, aRole, aTransport);
if (NS_WARN_IF(NS_FAILED(info->Init()))) {
return NS_ERROR_NOT_AVAILABLE;
}
if (aRole == nsIPresentationService::ROLE_CONTROLLER) {
mSessionInfoAtController.Put(aSessionId, info);
} else {
mSessionInfoAtReceiver.Put(aSessionId, info);
}
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::GetWindowIdBySessionId(const nsAString& aSessionId,
uint8_t aRole,
uint64_t* aWindowId) {
return GetWindowIdBySessionIdInternal(aSessionId, aRole, aWindowId);
}
NS_IMETHODIMP
PresentationIPCService::UpdateWindowIdBySessionId(const nsAString& aSessionId,
uint8_t aRole,
const uint64_t aWindowId) {
UpdateWindowIdBySessionIdInternal(aSessionId, aRole, aWindowId);
return NS_OK;
}
nsresult PresentationIPCService::NotifySessionStateChange(
const nsAString& aSessionId, uint16_t aState, nsresult aReason) {
nsCOMPtr<nsIPresentationSessionListener> listener;
if (NS_WARN_IF(
!mSessionListeners.Get(aSessionId, getter_AddRefs(listener)))) {
return NS_OK;
}
return listener->NotifyStateChange(aSessionId, aState, aReason);
}
// Only used for OOP RTCDataChannel session transport case.
nsresult PresentationIPCService::NotifyMessage(const nsAString& aSessionId,
const nsACString& aData,
const bool& aIsBinary) {
nsCOMPtr<nsIPresentationSessionListener> listener;
if (NS_WARN_IF(
!mSessionListeners.Get(aSessionId, getter_AddRefs(listener)))) {
return NS_OK;
}
return listener->NotifyMessage(aSessionId, aData, aIsBinary);
}
// Only used for OOP RTCDataChannel session transport case.
nsresult PresentationIPCService::NotifyTransportClosed(
const nsAString& aSessionId, uint8_t aRole, nsresult aReason) {
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
if (NS_WARN_IF(!info)) {
return NS_ERROR_NOT_AVAILABLE;
}
Unused << NS_WARN_IF(!sPresentationChild->SendNotifyTransportClosed(
nsString(aSessionId), aRole, aReason));
return NS_OK;
}
nsresult PresentationIPCService::NotifySessionConnect(
uint64_t aWindowId, const nsAString& aSessionId) {
nsCOMPtr<nsIPresentationRespondingListener> listener;
if (NS_WARN_IF(
!mRespondingListeners.Get(aWindowId, getter_AddRefs(listener)))) {
return NS_OK;
}
return listener->NotifySessionConnect(aWindowId, aSessionId);
}
NS_IMETHODIMP
PresentationIPCService::NotifyAvailableChange(
const nsTArray<nsString>& aAvailabilityUrls, bool aAvailable) {
mAvailabilityManager.DoNotifyAvailableChange(aAvailabilityUrls, aAvailable);
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::NotifyReceiverReady(
const nsAString& aSessionId, uint64_t aWindowId, bool aIsLoading,
nsIPresentationTransportBuilderConstructor* aBuilderConstructor) {
MOZ_ASSERT(NS_IsMainThread());
// No actual window uses 0 as its ID.
if (NS_WARN_IF(aWindowId == 0)) {
return NS_ERROR_NOT_AVAILABLE;
}
// Track the responding info for an OOP receiver page.
AddRespondingSessionId(aWindowId, aSessionId,
nsIPresentationService::ROLE_RECEIVER);
Unused << NS_WARN_IF(!sPresentationChild->SendNotifyReceiverReady(
nsString(aSessionId), aWindowId, aIsLoading));
// Release mCallback after using aSessionId
// because aSessionId is held by mCallback.
mCallback = nullptr;
return NS_OK;
}
NS_IMETHODIMP
PresentationIPCService::UntrackSessionInfo(const nsAString& aSessionId,
uint8_t aRole) {
PRES_DEBUG("content %s:id[%s], role[%d]\n", __func__,
NS_ConvertUTF16toUTF8(aSessionId).get(), aRole);
if (nsIPresentationService::ROLE_RECEIVER == aRole) {
// Terminate receiver page.
uint64_t windowId;
if (NS_SUCCEEDED(
GetWindowIdBySessionIdInternal(aSessionId, aRole, &windowId))) {
NS_DispatchToMainThread(NS_NewRunnableFunction(
"dom::PresentationIPCService::UntrackSessionInfo",
[windowId]() -> void {
PRES_DEBUG("Attempt to close window[%" PRIu64 "]\n", windowId);
if (auto* window =
nsGlobalWindowInner::GetInnerWindowWithId(windowId)) {
window->Close();
}
}));
}
}
// Remove the OOP responding info (if it has never been used).
RemoveRespondingSessionId(aSessionId, aRole);
if (nsIPresentationService::ROLE_CONTROLLER == aRole) {
mSessionInfoAtController.Remove(aSessionId);
} else {
mSessionInfoAtReceiver.Remove(aSessionId);
}
return NS_OK;
}
void PresentationIPCService::NotifyPresentationChildDestroyed() {
sPresentationChild = nullptr;
}
nsresult PresentationIPCService::MonitorResponderLoading(
const nsAString& aSessionId, nsIDocShell* aDocShell) {
MOZ_ASSERT(NS_IsMainThread());
mCallback = new PresentationResponderLoadingCallback(aSessionId);
return mCallback->Init(aDocShell);
}
nsresult PresentationIPCService::CloseContentSessionTransport(
const nsString& aSessionId, uint8_t aRole, nsresult aReason) {
RefPtr<PresentationContentSessionInfo> info =
GetSessionInfo(aSessionId, aRole);
if (NS_WARN_IF(!info)) {
return NS_ERROR_NOT_AVAILABLE;
}
return info->Close(aReason);
}
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