1 files changed, 184 insertions, 0 deletions
diff --git a/dom/workers/WorkerNavigator.cpp b/dom/workers/WorkerNavigator.cpp
new file mode 100644
index 0000000000..682c7a22ca
--- /dev/null
+++ b/dom/workers/WorkerNavigator.cpp
@@ -0,0 +1,184 @@
+/* -*- 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/BindingUtils.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/PromiseWorkerProxy.h"
+#include "mozilla/dom/StorageManager.h"
+#include "mozilla/dom/WorkerNavigator.h"
+#include "mozilla/dom/WorkerNavigatorBinding.h"
+
+#include "nsProxyRelease.h"
+#include "RuntimeService.h"
+
+#include "nsIDocument.h"
+
+#include "WorkerPrivate.h"
+#include "WorkerRunnable.h"
+#include "WorkerScope.h"
+
+#include "mozilla/dom/Navigator.h"
+
+namespace mozilla {
+namespace dom {
+
+using namespace mozilla::dom::workers;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(WorkerNavigator, mStorageManager);
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WorkerNavigator, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WorkerNavigator, Release)
+
+/* static */ already_AddRefed<WorkerNavigator>
+WorkerNavigator::Create(bool aOnLine)
+{
+  RuntimeService* rts = RuntimeService::GetService();
+  MOZ_ASSERT(rts);
+
+  const RuntimeService::NavigatorProperties& properties =
+    rts->GetNavigatorProperties();
+
+  RefPtr<WorkerNavigator> navigator =
+    new WorkerNavigator(properties, aOnLine);
+
+  return navigator.forget();
+}
+
+JSObject*
+WorkerNavigator::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return WorkerNavigatorBinding::Wrap(aCx, this, aGivenProto);
+}
+
+void
+WorkerNavigator::SetLanguages(const nsTArray<nsString>& aLanguages)
+{
+  WorkerNavigatorBinding::ClearCachedLanguagesValue(this);
+  mProperties.mLanguages = aLanguages;
+}
+
+void
+WorkerNavigator::GetAppName(nsString& aAppName) const
+{
+  WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+  MOZ_ASSERT(workerPrivate);
+
+  if (!mProperties.mAppNameOverridden.IsEmpty() &&
+      !workerPrivate->UsesSystemPrincipal()) {
+    aAppName = mProperties.mAppNameOverridden;
+  } else {
+    aAppName = mProperties.mAppName;
+  }
+}
+
+void
+WorkerNavigator::GetAppVersion(nsString& aAppVersion) const
+{
+  WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+  MOZ_ASSERT(workerPrivate);
+
+  if (!mProperties.mAppVersionOverridden.IsEmpty() &&
+      !workerPrivate->UsesSystemPrincipal()) {
+    aAppVersion = mProperties.mAppVersionOverridden;
+  } else {
+    aAppVersion = mProperties.mAppVersion;
+  }
+}
+
+void
+WorkerNavigator::GetPlatform(nsString& aPlatform) const
+{
+  WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+  MOZ_ASSERT(workerPrivate);
+
+  if (!mProperties.mPlatformOverridden.IsEmpty() &&
+      !workerPrivate->UsesSystemPrincipal()) {
+    aPlatform = mProperties.mPlatformOverridden;
+  } else {
+    aPlatform = mProperties.mPlatform;
+  }
+}
+
+namespace {
+
+class GetUserAgentRunnable final : public WorkerMainThreadRunnable
+{
+  nsString& mUA;
+
+public:
+  GetUserAgentRunnable(WorkerPrivate* aWorkerPrivate, nsString& aUA)
+    : WorkerMainThreadRunnable(aWorkerPrivate,
+                               NS_LITERAL_CSTRING("UserAgent getter"))
+    , mUA(aUA)
+  {
+    MOZ_ASSERT(aWorkerPrivate);
+    aWorkerPrivate->AssertIsOnWorkerThread();
+  }
+
+  virtual bool MainThreadRun() override
+  {
+    AssertIsOnMainThread();
+
+    nsCOMPtr<nsPIDOMWindowInner> window = mWorkerPrivate->GetWindow();
+    nsCOMPtr<nsIURI> uri;
+    if (window && window->GetDocShell()) {
+      nsIDocument* doc = window->GetExtantDoc();
+      if (doc) {
+        doc->NodePrincipal()->GetURI(getter_AddRefs(uri));
+      }
+    }
+
+    bool isCallerChrome = mWorkerPrivate->UsesSystemPrincipal();
+    nsresult rv = dom::Navigator::GetUserAgent(window, uri,
+                                               isCallerChrome, mUA);
+    if (NS_FAILED(rv)) {
+      NS_WARNING("Failed to retrieve user-agent from the worker thread.");
+    }
+
+    return true;
+  }
+};
+
+} // namespace
+
+void
+WorkerNavigator::GetUserAgent(nsString& aUserAgent, ErrorResult& aRv) const
+{
+  WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+  MOZ_ASSERT(workerPrivate);
+
+  RefPtr<GetUserAgentRunnable> runnable =
+    new GetUserAgentRunnable(workerPrivate, aUserAgent);
+
+  runnable->Dispatch(aRv);
+}
+
+uint64_t
+WorkerNavigator::HardwareConcurrency() const
+{
+  RuntimeService* rts = RuntimeService::GetService();
+  MOZ_ASSERT(rts);
+
+  return rts->ClampedHardwareConcurrency();
+}
+
+StorageManager*
+WorkerNavigator::Storage()
+{
+  if (!mStorageManager) {
+    WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
+    MOZ_ASSERT(workerPrivate);
+
+    RefPtr<nsIGlobalObject> global = workerPrivate->GlobalScope();
+    MOZ_ASSERT(global);
+
+    mStorageManager = new StorageManager(global);
+  }
+
+  return mStorageManager;
+}
+
+} // namespace dom
+} // namespace mozilla