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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/presentation/PresentationService.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/presentation/PresentationService.cpp')
-rw-r--r--dom/presentation/PresentationService.cpp1188
1 files changed, 1188 insertions, 0 deletions
diff --git a/dom/presentation/PresentationService.cpp b/dom/presentation/PresentationService.cpp
new file mode 100644
index 000000000..bc525cdb8
--- /dev/null
+++ b/dom/presentation/PresentationService.cpp
@@ -0,0 +1,1188 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 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 "PresentationService.h"
+
+#include "ipc/PresentationIPCService.h"
+#include "mozilla/Services.h"
+#include "nsGlobalWindow.h"
+#include "nsIMutableArray.h"
+#include "nsIObserverService.h"
+#include "nsIPresentationControlChannel.h"
+#include "nsIPresentationDeviceManager.h"
+#include "nsIPresentationDevicePrompt.h"
+#include "nsIPresentationListener.h"
+#include "nsIPresentationRequestUIGlue.h"
+#include "nsIPresentationSessionRequest.h"
+#include "nsIPresentationTerminateRequest.h"
+#include "nsISupportsPrimitives.h"
+#include "nsNetUtil.h"
+#include "nsServiceManagerUtils.h"
+#include "nsThreadUtils.h"
+#include "nsXPCOMCID.h"
+#include "nsXULAppAPI.h"
+#include "PresentationLog.h"
+
+namespace mozilla {
+namespace dom {
+
+static bool
+IsSameDevice(nsIPresentationDevice* aDevice, nsIPresentationDevice* aDeviceAnother) {
+ if (!aDevice || !aDeviceAnother) {
+ return false;
+ }
+
+ nsAutoCString deviceId;
+ aDevice->GetId(deviceId);
+ nsAutoCString anotherId;
+ aDeviceAnother->GetId(anotherId);
+ if (!deviceId.Equals(anotherId)) {
+ return false;
+ }
+
+ nsAutoCString deviceType;
+ aDevice->GetType(deviceType);
+ nsAutoCString anotherType;
+ aDeviceAnother->GetType(anotherType);
+ if (!deviceType.Equals(anotherType)) {
+ return false;
+ }
+
+ return true;
+}
+
+static nsresult
+ConvertURLArrayHelper(const nsTArray<nsString>& aUrls, nsIArray** aResult)
+{
+ if (!aResult) {
+ return NS_ERROR_INVALID_POINTER;
+ }
+
+ *aResult = nullptr;
+
+ nsresult rv;
+ nsCOMPtr<nsIMutableArray> urls =
+ do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ for (const auto& url : aUrls) {
+ nsCOMPtr<nsISupportsString> isupportsString =
+ do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = isupportsString->SetData(url);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ rv = urls->AppendElement(isupportsString, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+
+ urls.forget(aResult);
+ return NS_OK;
+}
+
+/*
+ * Implementation of PresentationDeviceRequest
+ */
+
+class PresentationDeviceRequest final : public nsIPresentationDeviceRequest
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPRESENTATIONDEVICEREQUEST
+
+ PresentationDeviceRequest(
+ const nsTArray<nsString>& aUrls,
+ const nsAString& aId,
+ const nsAString& aOrigin,
+ uint64_t aWindowId,
+ nsIDOMEventTarget* aEventTarget,
+ nsIPrincipal* aPrincipal,
+ nsIPresentationServiceCallback* aCallback,
+ nsIPresentationTransportBuilderConstructor* aBuilderConstructor);
+
+private:
+ virtual ~PresentationDeviceRequest() = default;
+ nsresult CreateSessionInfo(nsIPresentationDevice* aDevice,
+ const nsAString& aSelectedRequestUrl);
+
+ nsTArray<nsString> mRequestUrls;
+ nsString mId;
+ nsString mOrigin;
+ uint64_t mWindowId;
+ nsWeakPtr mChromeEventHandler;
+ nsCOMPtr<nsIPrincipal> mPrincipal;
+ nsCOMPtr<nsIPresentationServiceCallback> mCallback;
+ nsCOMPtr<nsIPresentationTransportBuilderConstructor> mBuilderConstructor;
+};
+
+LazyLogModule gPresentationLog("Presentation");
+
+NS_IMPL_ISUPPORTS(PresentationDeviceRequest, nsIPresentationDeviceRequest)
+
+PresentationDeviceRequest::PresentationDeviceRequest(
+ const nsTArray<nsString>& aUrls,
+ const nsAString& aId,
+ const nsAString& aOrigin,
+ uint64_t aWindowId,
+ nsIDOMEventTarget* aEventTarget,
+ nsIPrincipal* aPrincipal,
+ nsIPresentationServiceCallback* aCallback,
+ nsIPresentationTransportBuilderConstructor* aBuilderConstructor)
+ : mRequestUrls(aUrls)
+ , mId(aId)
+ , mOrigin(aOrigin)
+ , mWindowId(aWindowId)
+ , mChromeEventHandler(do_GetWeakReference(aEventTarget))
+ , mPrincipal(aPrincipal)
+ , mCallback(aCallback)
+ , mBuilderConstructor(aBuilderConstructor)
+{
+ MOZ_ASSERT(!mRequestUrls.IsEmpty());
+ MOZ_ASSERT(!mId.IsEmpty());
+ MOZ_ASSERT(!mOrigin.IsEmpty());
+ MOZ_ASSERT(mCallback);
+ MOZ_ASSERT(mBuilderConstructor);
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::GetOrigin(nsAString& aOrigin)
+{
+ aOrigin = mOrigin;
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::GetRequestURLs(nsIArray** aUrls)
+{
+ return ConvertURLArrayHelper(mRequestUrls, aUrls);
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::GetChromeEventHandler(nsIDOMEventTarget** aChromeEventHandler)
+{
+ nsCOMPtr<nsIDOMEventTarget> handler(do_QueryReferent(mChromeEventHandler));
+ handler.forget(aChromeEventHandler);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::GetPrincipal(nsIPrincipal** aPrincipal)
+{
+ nsCOMPtr<nsIPrincipal> principal(mPrincipal);
+ principal.forget(aPrincipal);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::Select(nsIPresentationDevice* aDevice)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ if (NS_WARN_IF(!aDevice)) {
+ MOZ_ASSERT(false, "|aDevice| should noe be null.");
+ mCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // Select the most suitable URL for starting the presentation.
+ nsAutoString selectedRequestUrl;
+ for (const auto& url : mRequestUrls) {
+ bool isSupported;
+ if (NS_SUCCEEDED(aDevice->IsRequestedUrlSupported(url, &isSupported)) &&
+ isSupported) {
+ selectedRequestUrl.Assign(url);
+ break;
+ }
+ }
+
+ if (selectedRequestUrl.IsEmpty()) {
+ return mCallback->NotifyError(NS_ERROR_DOM_NOT_FOUND_ERR);
+ }
+
+ if (NS_WARN_IF(NS_FAILED(CreateSessionInfo(aDevice, selectedRequestUrl)))) {
+ return mCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ return mCallback->NotifySuccess(selectedRequestUrl);
+}
+
+nsresult
+PresentationDeviceRequest::CreateSessionInfo(
+ nsIPresentationDevice* aDevice,
+ const nsAString& aSelectedRequestUrl)
+{
+ nsCOMPtr<nsIPresentationService> service =
+ do_GetService(PRESENTATION_SERVICE_CONTRACTID);
+ if (NS_WARN_IF(!service)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ // Create the controlling session info
+ RefPtr<PresentationSessionInfo> info =
+ static_cast<PresentationService*>(service.get())->
+ CreateControllingSessionInfo(aSelectedRequestUrl, mId, mWindowId);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+ info->SetDevice(aDevice);
+
+ // Establish a control channel. If we failed to do so, the callback is called
+ // with an error message.
+ nsCOMPtr<nsIPresentationControlChannel> ctrlChannel;
+ nsresult rv = aDevice->EstablishControlChannel(getter_AddRefs(ctrlChannel));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return info->ReplyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ // Initialize the session info with the control channel.
+ rv = info->Init(ctrlChannel);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return info->ReplyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ info->SetTransportBuilderConstructor(mBuilderConstructor);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationDeviceRequest::Cancel(nsresult aReason)
+{
+ return mCallback->NotifyError(aReason);
+}
+
+/*
+ * Implementation of PresentationService
+ */
+
+NS_IMPL_ISUPPORTS(PresentationService,
+ nsIPresentationService,
+ nsIObserver)
+
+PresentationService::PresentationService()
+{
+}
+
+PresentationService::~PresentationService()
+{
+ HandleShutdown();
+}
+
+bool
+PresentationService::Init()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+ if (NS_WARN_IF(!obs)) {
+ return false;
+ }
+
+ nsresult rv = obs->AddObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return false;
+ }
+ rv = obs->AddObserver(this, PRESENTATION_DEVICE_CHANGE_TOPIC, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return false;
+ }
+ rv = obs->AddObserver(this, PRESENTATION_SESSION_REQUEST_TOPIC, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return false;
+ }
+ rv = obs->AddObserver(this, PRESENTATION_TERMINATE_REQUEST_TOPIC, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return false;
+ }
+ rv = obs->AddObserver(this, PRESENTATION_RECONNECT_REQUEST_TOPIC, false);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return false;
+ }
+
+ return !NS_WARN_IF(NS_FAILED(rv));
+}
+
+NS_IMETHODIMP
+PresentationService::Observe(nsISupports* aSubject,
+ const char* aTopic,
+ const char16_t* aData)
+{
+ if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
+ HandleShutdown();
+ return NS_OK;
+ } else if (!strcmp(aTopic, PRESENTATION_DEVICE_CHANGE_TOPIC)) {
+ // Ignore the "update" case here, since we only care about the arrival and
+ // removal of the device.
+ if (!NS_strcmp(aData, u"add")) {
+ nsCOMPtr<nsIPresentationDevice> device = do_QueryInterface(aSubject);
+ if (NS_WARN_IF(!device)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return HandleDeviceAdded(device);
+ } else if(!NS_strcmp(aData, u"remove")) {
+ return HandleDeviceRemoved();
+ }
+
+ return NS_OK;
+ } else if (!strcmp(aTopic, PRESENTATION_SESSION_REQUEST_TOPIC)) {
+ nsCOMPtr<nsIPresentationSessionRequest> request(do_QueryInterface(aSubject));
+ if (NS_WARN_IF(!request)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return HandleSessionRequest(request);
+ } else if (!strcmp(aTopic, PRESENTATION_TERMINATE_REQUEST_TOPIC)) {
+ nsCOMPtr<nsIPresentationTerminateRequest> request(do_QueryInterface(aSubject));
+ if (NS_WARN_IF(!request)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return HandleTerminateRequest(request);
+ } else if (!strcmp(aTopic, PRESENTATION_RECONNECT_REQUEST_TOPIC)) {
+ nsCOMPtr<nsIPresentationSessionRequest> request(do_QueryInterface(aSubject));
+ if (NS_WARN_IF(!request)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return HandleReconnectRequest(request);
+ } else if (!strcmp(aTopic, "profile-after-change")) {
+ // It's expected since we add and entry to |kLayoutCategories| in
+ // |nsLayoutModule.cpp| to launch this service earlier.
+ return NS_OK;
+ }
+
+ MOZ_ASSERT(false, "Unexpected topic for PresentationService");
+ return NS_ERROR_UNEXPECTED;
+}
+
+void
+PresentationService::HandleShutdown()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ Shutdown();
+
+ mAvailabilityManager.Clear();
+ mSessionInfoAtController.Clear();
+ mSessionInfoAtReceiver.Clear();
+
+ nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+ if (obs) {
+ obs->RemoveObserver(this, NS_XPCOM_SHUTDOWN_OBSERVER_ID);
+ obs->RemoveObserver(this, PRESENTATION_DEVICE_CHANGE_TOPIC);
+ obs->RemoveObserver(this, PRESENTATION_SESSION_REQUEST_TOPIC);
+ obs->RemoveObserver(this, PRESENTATION_TERMINATE_REQUEST_TOPIC);
+ obs->RemoveObserver(this, PRESENTATION_RECONNECT_REQUEST_TOPIC);
+ }
+}
+
+nsresult
+PresentationService::HandleDeviceAdded(nsIPresentationDevice* aDevice)
+{
+ PRES_DEBUG("%s\n", __func__);
+ if (!aDevice) {
+ MOZ_ASSERT(false, "aDevice shoud no be null.");
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ // Query for only unavailable URLs while device added.
+ nsTArray<nsString> unavailableUrls;
+ mAvailabilityManager.GetAvailbilityUrlByAvailability(unavailableUrls, false);
+
+ nsTArray<nsString> supportedAvailabilityUrl;
+ for (const auto& url : unavailableUrls) {
+ bool isSupported;
+ if (NS_SUCCEEDED(aDevice->IsRequestedUrlSupported(url, &isSupported)) &&
+ isSupported) {
+ supportedAvailabilityUrl.AppendElement(url);
+ }
+ }
+
+ if (!supportedAvailabilityUrl.IsEmpty()) {
+ return mAvailabilityManager.DoNotifyAvailableChange(supportedAvailabilityUrl,
+ true);
+ }
+
+ return NS_OK;
+}
+
+nsresult
+PresentationService::HandleDeviceRemoved()
+{
+ PRES_DEBUG("%s\n", __func__);
+
+ // Query for only available URLs while device removed.
+ nsTArray<nsString> availabilityUrls;
+ mAvailabilityManager.GetAvailbilityUrlByAvailability(availabilityUrls, true);
+
+ return UpdateAvailabilityUrlChange(availabilityUrls);
+}
+
+nsresult
+PresentationService::UpdateAvailabilityUrlChange(
+ const nsTArray<nsString>& aAvailabilityUrls)
+{
+ nsCOMPtr<nsIPresentationDeviceManager> deviceManager =
+ do_GetService(PRESENTATION_DEVICE_MANAGER_CONTRACTID);
+ if (NS_WARN_IF(!deviceManager)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ nsCOMPtr<nsIArray> devices;
+ nsresult rv = deviceManager->GetAvailableDevices(nullptr,
+ getter_AddRefs(devices));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ uint32_t numOfDevices;
+ devices->GetLength(&numOfDevices);
+
+ nsTArray<nsString> supportedAvailabilityUrl;
+ for (const auto& url : aAvailabilityUrls) {
+ for (uint32_t i = 0; i < numOfDevices; ++i) {
+ nsCOMPtr<nsIPresentationDevice> device = do_QueryElementAt(devices, i);
+ if (device) {
+ bool isSupported;
+ if (NS_SUCCEEDED(device->IsRequestedUrlSupported(url, &isSupported)) &&
+ isSupported) {
+ supportedAvailabilityUrl.AppendElement(url);
+ break;
+ }
+ }
+ }
+ }
+
+ if (supportedAvailabilityUrl.IsEmpty()) {
+ return mAvailabilityManager.DoNotifyAvailableChange(aAvailabilityUrls,
+ false);
+ }
+
+ return mAvailabilityManager.DoNotifyAvailableChange(supportedAvailabilityUrl,
+ true);
+}
+
+nsresult
+PresentationService::HandleSessionRequest(nsIPresentationSessionRequest* aRequest)
+{
+ nsCOMPtr<nsIPresentationControlChannel> ctrlChannel;
+ nsresult rv = aRequest->GetControlChannel(getter_AddRefs(ctrlChannel));
+ if (NS_WARN_IF(NS_FAILED(rv) || !ctrlChannel)) {
+ return rv;
+ }
+
+ nsAutoString url;
+ rv = aRequest->GetUrl(url);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ nsAutoString sessionId;
+ rv = aRequest->GetPresentationId(sessionId);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ nsCOMPtr<nsIPresentationDevice> device;
+ rv = aRequest->GetDevice(getter_AddRefs(device));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ // Create or reuse session info.
+ RefPtr<PresentationSessionInfo> info =
+ GetSessionInfo(sessionId, nsIPresentationService::ROLE_RECEIVER);
+
+ // This is the case for reconnecting a session.
+ // Update the control channel and device of the session info.
+ // Call |NotifyResponderReady| to indicate the receiver page is already there.
+ if (info) {
+ PRES_DEBUG("handle reconnection:id[%s]\n",
+ NS_ConvertUTF16toUTF8(sessionId).get());
+
+ info->SetControlChannel(ctrlChannel);
+ info->SetDevice(device);
+ return static_cast<PresentationPresentingInfo*>(
+ info.get())->DoReconnect();
+ }
+
+ // This is the case for a new session.
+ PRES_DEBUG("handle new session:url[%d], id[%s]\n",
+ NS_ConvertUTF16toUTF8(url).get(),
+ NS_ConvertUTF16toUTF8(sessionId).get());
+
+ info = new PresentationPresentingInfo(url, sessionId, device);
+ rv = info->Init(ctrlChannel);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ mSessionInfoAtReceiver.Put(sessionId, info);
+
+ // Notify the receiver to launch.
+ nsCOMPtr<nsIPresentationRequestUIGlue> glue =
+ do_CreateInstance(PRESENTATION_REQUEST_UI_GLUE_CONTRACTID);
+ if (NS_WARN_IF(!glue)) {
+ ctrlChannel->Disconnect(NS_ERROR_DOM_OPERATION_ERR);
+ return info->ReplyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+ nsCOMPtr<nsISupports> promise;
+ rv = glue->SendRequest(url, sessionId, device, getter_AddRefs(promise));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return info->ReplyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+ nsCOMPtr<Promise> realPromise = do_QueryInterface(promise);
+ static_cast<PresentationPresentingInfo*>(info.get())->SetPromise(realPromise);
+
+ return NS_OK;
+}
+
+nsresult
+PresentationService::HandleTerminateRequest(nsIPresentationTerminateRequest* aRequest)
+{
+ nsCOMPtr<nsIPresentationControlChannel> ctrlChannel;
+ nsresult rv = aRequest->GetControlChannel(getter_AddRefs(ctrlChannel));
+ if (NS_WARN_IF(NS_FAILED(rv) || !ctrlChannel)) {
+ return rv;
+ }
+
+ nsAutoString sessionId;
+ rv = aRequest->GetPresentationId(sessionId);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ nsCOMPtr<nsIPresentationDevice> device;
+ rv = aRequest->GetDevice(getter_AddRefs(device));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ bool isFromReceiver;
+ rv = aRequest->GetIsFromReceiver(&isFromReceiver);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ RefPtr<PresentationSessionInfo> info;
+ if (!isFromReceiver) {
+ info = GetSessionInfo(sessionId, nsIPresentationService::ROLE_RECEIVER);
+ } else {
+ info = GetSessionInfo(sessionId, nsIPresentationService::ROLE_CONTROLLER);
+ }
+ if (NS_WARN_IF(!info)) {
+ // Cannot terminate non-existed session.
+ ctrlChannel->Disconnect(NS_ERROR_DOM_OPERATION_ERR);
+ return NS_ERROR_DOM_ABORT_ERR;
+ }
+
+ // Check if terminate request comes from known device.
+ RefPtr<nsIPresentationDevice> knownDevice = info->GetDevice();
+ if (NS_WARN_IF(!IsSameDevice(device, knownDevice))) {
+ ctrlChannel->Disconnect(NS_ERROR_DOM_OPERATION_ERR);
+ return NS_ERROR_DOM_ABORT_ERR;
+ }
+
+ PRES_DEBUG("handle termination:id[%s], receiver[%d]\n", __func__,
+ sessionId.get(), isFromReceiver);
+
+ return info->OnTerminate(ctrlChannel);
+}
+
+nsresult
+PresentationService::HandleReconnectRequest(nsIPresentationSessionRequest* aRequest)
+{
+ nsCOMPtr<nsIPresentationControlChannel> ctrlChannel;
+ nsresult rv = aRequest->GetControlChannel(getter_AddRefs(ctrlChannel));
+ if (NS_WARN_IF(NS_FAILED(rv) || !ctrlChannel)) {
+ return rv;
+ }
+
+ nsAutoString sessionId;
+ rv = aRequest->GetPresentationId(sessionId);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ uint64_t windowId;
+ rv = GetWindowIdBySessionIdInternal(sessionId,
+ nsIPresentationService::ROLE_RECEIVER,
+ &windowId);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ RefPtr<PresentationSessionInfo> info =
+ GetSessionInfo(sessionId, nsIPresentationService::ROLE_RECEIVER);
+ if (NS_WARN_IF(!info)) {
+ // Cannot reconnect non-existed session
+ ctrlChannel->Disconnect(NS_ERROR_DOM_OPERATION_ERR);
+ return NS_ERROR_DOM_ABORT_ERR;
+ }
+
+ nsAutoString url;
+ rv = aRequest->GetUrl(url);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ // Make sure the url is the same as the previous one.
+ if (NS_WARN_IF(!info->GetUrl().Equals(url))) {
+ ctrlChannel->Disconnect(rv);
+ return rv;
+ }
+
+ return HandleSessionRequest(aRequest);
+}
+
+NS_IMETHODIMP
+PresentationService::StartSession(
+ const nsTArray<nsString>& aUrls,
+ const nsAString& aSessionId,
+ const nsAString& aOrigin,
+ const nsAString& aDeviceId,
+ uint64_t aWindowId,
+ nsIDOMEventTarget* aEventTarget,
+ nsIPrincipal* aPrincipal,
+ nsIPresentationServiceCallback* aCallback,
+ nsIPresentationTransportBuilderConstructor* aBuilderConstructor)
+{
+ PRES_DEBUG("%s:id[%s]\n", __func__, NS_ConvertUTF16toUTF8(aSessionId).get());
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aCallback);
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(!aUrls.IsEmpty());
+
+ nsCOMPtr<nsIPresentationDeviceRequest> request =
+ new PresentationDeviceRequest(aUrls,
+ aSessionId,
+ aOrigin,
+ aWindowId,
+ aEventTarget,
+ aPrincipal,
+ aCallback,
+ aBuilderConstructor);
+
+ if (aDeviceId.IsVoid()) {
+ // Pop up a prompt and ask user to select a device.
+ nsCOMPtr<nsIPresentationDevicePrompt> prompt =
+ do_GetService(PRESENTATION_DEVICE_PROMPT_CONTRACTID);
+ if (NS_WARN_IF(!prompt)) {
+ return aCallback->NotifyError(NS_ERROR_DOM_INVALID_ACCESS_ERR);
+ }
+
+ nsresult rv = prompt->PromptDeviceSelection(request);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ return NS_OK;
+ }
+
+ // Find the designated device from available device list.
+ nsCOMPtr<nsIPresentationDeviceManager> deviceManager =
+ do_GetService(PRESENTATION_DEVICE_MANAGER_CONTRACTID);
+ if (NS_WARN_IF(!deviceManager)) {
+ return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ nsCOMPtr<nsIArray> presentationUrls;
+ if (NS_WARN_IF(NS_FAILED(
+ ConvertURLArrayHelper(aUrls, getter_AddRefs(presentationUrls))))) {
+ return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ nsCOMPtr<nsIArray> devices;
+ nsresult rv = deviceManager->GetAvailableDevices(presentationUrls, getter_AddRefs(devices));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ nsCOMPtr<nsISimpleEnumerator> enumerator;
+ rv = devices->Enumerate(getter_AddRefs(enumerator));
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+ }
+
+ NS_ConvertUTF16toUTF8 utf8DeviceId(aDeviceId);
+ bool hasMore;
+ while (NS_SUCCEEDED(enumerator->HasMoreElements(&hasMore)) && hasMore) {
+ nsCOMPtr<nsISupports> isupports;
+ rv = enumerator->GetNext(getter_AddRefs(isupports));
+
+ nsCOMPtr<nsIPresentationDevice> device(do_QueryInterface(isupports));
+ MOZ_ASSERT(device);
+
+ nsAutoCString id;
+ if (NS_SUCCEEDED(device->GetId(id)) && id.Equals(utf8DeviceId)) {
+ request->Select(device);
+ return NS_OK;
+ }
+ }
+
+ // Reject if designated device is not available.
+ return aCallback->NotifyError(NS_ERROR_DOM_NOT_FOUND_ERR);
+}
+
+already_AddRefed<PresentationSessionInfo>
+PresentationService::CreateControllingSessionInfo(const nsAString& aUrl,
+ const nsAString& aSessionId,
+ uint64_t aWindowId)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ if (aSessionId.IsEmpty()) {
+ return nullptr;
+ }
+
+ RefPtr<PresentationSessionInfo> info =
+ new PresentationControllingInfo(aUrl, aSessionId);
+
+ mSessionInfoAtController.Put(aSessionId, info);
+ AddRespondingSessionId(aWindowId,
+ aSessionId,
+ nsIPresentationService::ROLE_CONTROLLER);
+ return info.forget();
+}
+
+NS_IMETHODIMP
+PresentationService::SendSessionMessage(const nsAString& aSessionId,
+ uint8_t aRole,
+ const nsAString& aData)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aData.IsEmpty());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->Send(aData);
+}
+
+NS_IMETHODIMP
+PresentationService::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<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->SendBinaryMsg(aData);
+}
+
+NS_IMETHODIMP
+PresentationService::SendSessionBlob(const nsAString& aSessionId,
+ uint8_t aRole,
+ nsIDOMBlob* aBlob)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+ MOZ_ASSERT(aBlob);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->SendBlob(aBlob);
+}
+
+NS_IMETHODIMP
+PresentationService::CloseSession(const nsAString& aSessionId,
+ uint8_t aRole,
+ uint8_t aClosedReason)
+{
+ PRES_DEBUG("%s:id[%s], reason[%x], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aClosedReason, aRole);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ if (aClosedReason == nsIPresentationService::CLOSED_REASON_WENTAWAY) {
+ // Remove nsIPresentationSessionListener since we don't want to dispatch
+ // PresentationConnectionCloseEvent if the page is went away.
+ info->SetListener(nullptr);
+ }
+
+ return info->Close(NS_OK, nsIPresentationSessionListener::STATE_CLOSED);
+}
+
+NS_IMETHODIMP
+PresentationService::TerminateSession(const nsAString& aSessionId,
+ uint8_t aRole)
+{
+ PRES_DEBUG("%s:id[%s], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aRole);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->Close(NS_OK, nsIPresentationSessionListener::STATE_TERMINATED);
+}
+
+NS_IMETHODIMP
+PresentationService::ReconnectSession(const nsTArray<nsString>& aUrls,
+ const nsAString& aSessionId,
+ uint8_t aRole,
+ nsIPresentationServiceCallback* aCallback)
+{
+ PRES_DEBUG("%s:id[%s]\n", __func__, NS_ConvertUTF16toUTF8(aSessionId).get());
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aCallback);
+ MOZ_ASSERT(!aUrls.IsEmpty());
+
+ if (aRole != nsIPresentationService::ROLE_CONTROLLER) {
+ MOZ_ASSERT(false, "Only controller can call ReconnectSession.");
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ if (NS_WARN_IF(!aCallback)) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return aCallback->NotifyError(NS_ERROR_DOM_NOT_FOUND_ERR);
+ }
+
+ if (NS_WARN_IF(!aUrls.Contains(info->GetUrl()))) {
+ return aCallback->NotifyError(NS_ERROR_DOM_NOT_FOUND_ERR);
+ }
+
+ return static_cast<PresentationControllingInfo*>(info.get())->Reconnect(aCallback);
+}
+
+NS_IMETHODIMP
+PresentationService::BuildTransport(const nsAString& aSessionId,
+ uint8_t aRole)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+
+ if (aRole != nsIPresentationService::ROLE_CONTROLLER) {
+ MOZ_ASSERT(false, "Only controller can call BuildTransport.");
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return static_cast<PresentationControllingInfo*>(info.get())->BuildTransport();
+}
+
+NS_IMETHODIMP
+PresentationService::RegisterAvailabilityListener(
+ const nsTArray<nsString>& aAvailabilityUrls,
+ nsIPresentationAvailabilityListener* aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aAvailabilityUrls.IsEmpty());
+ MOZ_ASSERT(aListener);
+
+ mAvailabilityManager.AddAvailabilityListener(aAvailabilityUrls, aListener);
+ return UpdateAvailabilityUrlChange(aAvailabilityUrls);
+}
+
+NS_IMETHODIMP
+PresentationService::UnregisterAvailabilityListener(
+ const nsTArray<nsString>& aAvailabilityUrls,
+ nsIPresentationAvailabilityListener* aListener)
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mAvailabilityManager.RemoveAvailabilityListener(aAvailabilityUrls, aListener);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationService::RegisterSessionListener(const nsAString& aSessionId,
+ uint8_t aRole,
+ nsIPresentationSessionListener* aListener)
+{
+ PRES_DEBUG("%s:id[%s], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aRole);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aListener);
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ // Notify the listener of TERMINATED since no correspondent session info is
+ // available possibly due to establishment failure. This would be useful at
+ // the receiver side, since a presentation session is created at beginning
+ // and here is the place to realize the underlying establishment fails.
+ nsresult rv = aListener->NotifyStateChange(aSessionId,
+ nsIPresentationSessionListener::STATE_TERMINATED,
+ NS_ERROR_NOT_AVAILABLE);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->SetListener(aListener);
+}
+
+NS_IMETHODIMP
+PresentationService::UnregisterSessionListener(const nsAString& aSessionId,
+ uint8_t aRole)
+{
+ PRES_DEBUG("%s:id[%s], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aRole);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (info) {
+ // When content side decide not handling this session anymore, simply
+ // close the connection. Session info is kept for reconnection.
+ Unused << NS_WARN_IF(NS_FAILED(info->Close(NS_OK, nsIPresentationSessionListener::STATE_CLOSED)));
+ return info->SetListener(nullptr);
+ }
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationService::RegisterRespondingListener(
+ uint64_t aWindowId,
+ nsIPresentationRespondingListener* aListener)
+{
+ PRES_DEBUG("%s:windowId[%lld]\n", __func__, aWindowId);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(aListener);
+
+ nsCOMPtr<nsIPresentationRespondingListener> listener;
+ if (mRespondingListeners.Get(aWindowId, getter_AddRefs(listener))) {
+ return (listener == aListener) ? NS_OK : NS_ERROR_DOM_INVALID_STATE_ERR;
+ }
+
+ nsTArray<nsString> sessionIdArray;
+ nsresult rv = mReceiverSessionIdManager.GetSessionIds(aWindowId,
+ sessionIdArray);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ for (const auto& id : sessionIdArray) {
+ aListener->NotifySessionConnect(aWindowId, id);
+ }
+
+ mRespondingListeners.Put(aWindowId, aListener);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationService::UnregisterRespondingListener(uint64_t aWindowId)
+{
+ PRES_DEBUG("%s:windowId[%lld]\n", __func__, aWindowId);
+
+ MOZ_ASSERT(NS_IsMainThread());
+
+ mRespondingListeners.Remove(aWindowId);
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationService::NotifyReceiverReady(
+ const nsAString& aSessionId,
+ uint64_t aWindowId,
+ bool aIsLoading,
+ nsIPresentationTransportBuilderConstructor* aBuilderConstructor)
+{
+ PRES_DEBUG("%s:id[%s], windowId[%lld], loading[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aWindowId, aIsLoading);
+
+ RefPtr<PresentationSessionInfo> info =
+ GetSessionInfo(aSessionId, nsIPresentationService::ROLE_RECEIVER);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ AddRespondingSessionId(aWindowId,
+ aSessionId,
+ nsIPresentationService::ROLE_RECEIVER);
+
+ if (!aIsLoading) {
+ return static_cast<PresentationPresentingInfo*>(
+ info.get())->NotifyResponderFailure();
+ }
+
+ nsCOMPtr<nsIPresentationRespondingListener> listener;
+ if (mRespondingListeners.Get(aWindowId, getter_AddRefs(listener))) {
+ nsresult rv = listener->NotifySessionConnect(aWindowId, aSessionId);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+ }
+
+ info->SetTransportBuilderConstructor(aBuilderConstructor);
+ return static_cast<PresentationPresentingInfo*>(info.get())->NotifyResponderReady();
+}
+
+nsresult
+PresentationService::NotifyTransportClosed(const nsAString& aSessionId,
+ uint8_t aRole,
+ nsresult aReason)
+{
+ PRES_DEBUG("%s:id[%s], reason[%x], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aReason, aRole);
+
+ MOZ_ASSERT(NS_IsMainThread());
+ MOZ_ASSERT(!aSessionId.IsEmpty());
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return NS_ERROR_NOT_AVAILABLE;
+ }
+
+ return info->NotifyTransportClosed(aReason);
+}
+
+NS_IMETHODIMP
+PresentationService::UntrackSessionInfo(const nsAString& aSessionId,
+ uint8_t aRole)
+{
+ PRES_DEBUG("%s:id[%s], role[%d]\n", __func__,
+ NS_ConvertUTF16toUTF8(aSessionId).get(), aRole);
+
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+ // Remove the session info.
+ if (nsIPresentationService::ROLE_CONTROLLER == aRole) {
+ mSessionInfoAtController.Remove(aSessionId);
+ } else {
+ // Terminate receiver page.
+ uint64_t windowId;
+ nsresult rv = GetWindowIdBySessionIdInternal(aSessionId, aRole, &windowId);
+ if (NS_SUCCEEDED(rv)) {
+ NS_DispatchToMainThread(NS_NewRunnableFunction([windowId]() -> void {
+ PRES_DEBUG("Attempt to close window[%d]\n", windowId);
+
+ if (auto* window = nsGlobalWindow::GetInnerWindowWithId(windowId)) {
+ window->Close();
+ }
+ }));
+ }
+
+ mSessionInfoAtReceiver.Remove(aSessionId);
+ }
+
+ // Remove the in-process responding info if there's still any.
+ RemoveRespondingSessionId(aSessionId, aRole);
+
+ return NS_OK;
+}
+
+NS_IMETHODIMP
+PresentationService::GetWindowIdBySessionId(const nsAString& aSessionId,
+ uint8_t aRole,
+ uint64_t* aWindowId)
+{
+ return GetWindowIdBySessionIdInternal(aSessionId, aRole, aWindowId);
+}
+
+NS_IMETHODIMP
+PresentationService::UpdateWindowIdBySessionId(const nsAString& aSessionId,
+ uint8_t aRole,
+ const uint64_t aWindowId)
+{
+ return UpdateWindowIdBySessionIdInternal(aSessionId, aRole, aWindowId);
+}
+
+bool
+PresentationService::IsSessionAccessible(const nsAString& aSessionId,
+ const uint8_t aRole,
+ base::ProcessId aProcessId)
+{
+ MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
+ aRole == nsIPresentationService::ROLE_RECEIVER);
+ RefPtr<PresentationSessionInfo> info = GetSessionInfo(aSessionId, aRole);
+ if (NS_WARN_IF(!info)) {
+ return false;
+ }
+ return info->IsAccessible(aProcessId);
+}
+
+} // namespace dom
+} // namespace mozilla
+
+already_AddRefed<nsIPresentationService>
+NS_CreatePresentationService()
+{
+ MOZ_ASSERT(NS_IsMainThread());
+
+ nsCOMPtr<nsIPresentationService> service;
+ if (XRE_GetProcessType() == GeckoProcessType_Content) {
+ service = new mozilla::dom::PresentationIPCService();
+ } else {
+ service = new PresentationService();
+ if (NS_WARN_IF(!static_cast<PresentationService*>(service.get())->Init())) {
+ return nullptr;
+ }
+ }
+
+ return service.forget();
+}