summaryrefslogtreecommitdiffstats
path: root/dom/workers/ServiceWorkerClient.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dom/workers/ServiceWorkerClient.cpp')
-rw-r--r--dom/workers/ServiceWorkerClient.cpp232
1 files changed, 232 insertions, 0 deletions
diff --git a/dom/workers/ServiceWorkerClient.cpp b/dom/workers/ServiceWorkerClient.cpp
new file mode 100644
index 000000000..660512a5f
--- /dev/null
+++ b/dom/workers/ServiceWorkerClient.cpp
@@ -0,0 +1,232 @@
+/* -*- 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 "ServiceWorkerClient.h"
+#include "ServiceWorkerContainer.h"
+
+#include "mozilla/dom/MessageEvent.h"
+#include "mozilla/dom/Navigator.h"
+#include "mozilla/dom/ServiceWorkerMessageEvent.h"
+#include "mozilla/dom/ServiceWorkerMessageEventBinding.h"
+#include "nsGlobalWindow.h"
+#include "nsIBrowserDOMWindow.h"
+#include "nsIDocument.h"
+#include "ServiceWorker.h"
+#include "ServiceWorkerPrivate.h"
+#include "WorkerPrivate.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+using namespace mozilla::dom::workers;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(ServiceWorkerClient, mOwner)
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(ServiceWorkerClient)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(ServiceWorkerClient)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(ServiceWorkerClient)
+ NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+ NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+ServiceWorkerClientInfo::ServiceWorkerClientInfo(nsIDocument* aDoc)
+ : mWindowId(0)
+ , mFrameType(FrameType::None)
+{
+ MOZ_ASSERT(aDoc);
+ nsresult rv = aDoc->GetOrCreateId(mClientId);
+ if (NS_FAILED(rv)) {
+ NS_WARNING("Failed to get the UUID of the document.");
+ }
+
+ RefPtr<nsGlobalWindow> innerWindow = nsGlobalWindow::Cast(aDoc->GetInnerWindow());
+ if (innerWindow) {
+ // XXXcatalinb: The inner window can be null if the document is navigating
+ // and was detached.
+ mWindowId = innerWindow->WindowID();
+ }
+
+ nsCOMPtr<nsIURI> originalURI = aDoc->GetOriginalURI();
+ if (originalURI) {
+ nsAutoCString spec;
+ originalURI->GetSpec(spec);
+ CopyUTF8toUTF16(spec, mUrl);
+ }
+ mVisibilityState = aDoc->VisibilityState();
+
+ ErrorResult result;
+ mFocused = aDoc->HasFocus(result);
+ if (result.Failed()) {
+ NS_WARNING("Failed to get focus information.");
+ }
+
+ RefPtr<nsGlobalWindow> outerWindow = nsGlobalWindow::Cast(aDoc->GetWindow());
+ if (!outerWindow) {
+ MOZ_ASSERT(mFrameType == FrameType::None);
+ } else if (!outerWindow->IsTopLevelWindow()) {
+ mFrameType = FrameType::Nested;
+ } else if (outerWindow->HadOriginalOpener()) {
+ mFrameType = FrameType::Auxiliary;
+ } else {
+ mFrameType = FrameType::Top_level;
+ }
+}
+
+JSObject*
+ServiceWorkerClient::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return ClientBinding::Wrap(aCx, this, aGivenProto);
+}
+
+namespace {
+
+class ServiceWorkerClientPostMessageRunnable final
+ : public Runnable
+ , public StructuredCloneHolder
+{
+ uint64_t mWindowId;
+
+public:
+ explicit ServiceWorkerClientPostMessageRunnable(uint64_t aWindowId)
+ : StructuredCloneHolder(CloningSupported, TransferringSupported,
+ StructuredCloneScope::SameProcessDifferentThread)
+ , mWindowId(aWindowId)
+ {}
+
+ NS_IMETHOD
+ Run() override
+ {
+ AssertIsOnMainThread();
+ nsGlobalWindow* window = nsGlobalWindow::GetInnerWindowWithId(mWindowId);
+ if (!window) {
+ return NS_ERROR_FAILURE;
+ }
+
+ ErrorResult result;
+ dom::Navigator* navigator = window->GetNavigator(result);
+ if (NS_WARN_IF(result.Failed())) {
+ return result.StealNSResult();
+ }
+
+ RefPtr<ServiceWorkerContainer> container = navigator->ServiceWorker();
+ AutoJSAPI jsapi;
+ if (NS_WARN_IF(!jsapi.Init(window))) {
+ return NS_ERROR_FAILURE;
+ }
+ JSContext* cx = jsapi.cx();
+
+ return DispatchDOMEvent(cx, container);
+ }
+
+private:
+ NS_IMETHOD
+ DispatchDOMEvent(JSContext* aCx, ServiceWorkerContainer* aTargetContainer)
+ {
+ AssertIsOnMainThread();
+
+ MOZ_ASSERT(aTargetContainer->GetParentObject(),
+ "How come we don't have a window here?!");
+
+ JS::Rooted<JS::Value> messageData(aCx);
+ ErrorResult rv;
+ Read(aTargetContainer->GetParentObject(), aCx, &messageData, rv);
+ if (NS_WARN_IF(rv.Failed())) {
+ xpc::Throw(aCx, rv.StealNSResult());
+ return NS_ERROR_FAILURE;
+ }
+
+ RootedDictionary<ServiceWorkerMessageEventInit> init(aCx);
+
+ nsCOMPtr<nsIPrincipal> principal = aTargetContainer->GetParentObject()->PrincipalOrNull();
+ NS_WARNING_ASSERTION(principal, "Why is the principal null here?");
+
+ bool isNullPrincipal = false;
+ bool isSystemPrincipal = false;
+ if (principal) {
+ isNullPrincipal = principal->GetIsNullPrincipal();
+ MOZ_ASSERT(!isNullPrincipal);
+ isSystemPrincipal = principal->GetIsSystemPrincipal();
+ MOZ_ASSERT(!isSystemPrincipal);
+ }
+
+ init.mData = messageData;
+ nsAutoCString origin;
+ if (principal && !isNullPrincipal && !isSystemPrincipal) {
+ principal->GetOrigin(origin);
+ }
+ init.mOrigin = NS_ConvertUTF8toUTF16(origin);
+
+ RefPtr<ServiceWorker> serviceWorker = aTargetContainer->GetController();
+ if (serviceWorker) {
+ init.mSource.SetValue().SetAsServiceWorker() = serviceWorker;
+ }
+
+ if (!TakeTransferredPortsAsSequence(init.mPorts)) {
+ return NS_ERROR_OUT_OF_MEMORY;
+ }
+
+ RefPtr<ServiceWorkerMessageEvent> event =
+ ServiceWorkerMessageEvent::Constructor(aTargetContainer,
+ NS_LITERAL_STRING("message"),
+ init);
+
+ event->SetTrusted(true);
+ bool status = false;
+ aTargetContainer->DispatchEvent(static_cast<dom::Event*>(event.get()),
+ &status);
+
+ if (!status) {
+ return NS_ERROR_FAILURE;
+ }
+
+ return NS_OK;
+ }
+};
+
+} // namespace
+
+void
+ServiceWorkerClient::PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
+ const Optional<Sequence<JS::Value>>& aTransferable,
+ ErrorResult& aRv)
+{
+ WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+ MOZ_ASSERT(workerPrivate);
+ workerPrivate->AssertIsOnWorkerThread();
+
+ JS::Rooted<JS::Value> transferable(aCx, JS::UndefinedValue());
+ if (aTransferable.WasPassed()) {
+ const Sequence<JS::Value>& realTransferable = aTransferable.Value();
+
+ JS::HandleValueArray elements =
+ JS::HandleValueArray::fromMarkedLocation(realTransferable.Length(),
+ realTransferable.Elements());
+
+ JSObject* array = JS_NewArrayObject(aCx, elements);
+ if (!array) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+
+ transferable.setObject(*array);
+ }
+
+ RefPtr<ServiceWorkerClientPostMessageRunnable> runnable =
+ new ServiceWorkerClientPostMessageRunnable(mWindowId);
+
+ runnable->Write(aCx, aMessage, transferable, JS::CloneDataPolicy().denySharedArrayBuffer(),
+ aRv);
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+
+ aRv = workerPrivate->DispatchToMainThread(runnable.forget());
+ if (NS_WARN_IF(aRv.Failed())) {
+ return;
+ }
+}
+