Bug 1105827 - Part 2: Add stub Permissions implementation. r=baku

dom/permission/Permissions.cpp

@@ -0,0 +1,62 @@
+/* -*- 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/Permissions.h"
+
+#include "mozilla/dom/PermissionsBinding.h"
+#include "mozilla/dom/Promise.h"
+
+#include "nsIPermissionManager.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Permissions)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(Permissions)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(Permissions)
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Permissions, mWindow)
+
+Permissions::Permissions(nsPIDOMWindow* aWindow)
+  : mWindow(aWindow)
+{
+}
+
+Permissions::~Permissions()
+{
+}
+
+JSObject*
+Permissions::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return PermissionsBinding::Wrap(aCx, this, aGivenProto);
+}
+
+already_AddRefed<Promise>
+Permissions::Query(const PermissionDescriptor& aPermission)
+{
+  nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
+  if (!global) {
+    return nullptr;
+  }
+
+  ErrorResult aRv;
+  nsRefPtr<Promise> promise = Promise::Create(global, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  promise->MaybeReject(NS_ERROR_NOT_IMPLEMENTED);
+
+  return promise.forget();
+}
+
+} // namespace dom
+} // namespace mozilla

dom/permission/Permissions.h

@@ -0,0 +1,46 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_Permissions_h_
+#define mozilla_dom_Permissions_h_
+
+#include "nsISupports.h"
+#include "nsPIDOMWindow.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+struct PermissionDescriptor;
+class Promise;
+
+class Permissions final
+  : public nsISupports
+  , public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Permissions)
+
+  explicit Permissions(nsPIDOMWindow* aWindow);
+
+  nsPIDOMWindow* GetParentObject() const { return mWindow; }
+
+  JSObject* WrapObject(JSContext* aCx,
+                       JS::Handle<JSObject*> aGivenProto) override;
+
+  already_AddRefed<Promise> Query(const PermissionDescriptor& aPermission);
+
+private:
+  ~Permissions();
+
+  nsCOMPtr<nsPIDOMWindow> mWindow;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_permissions_h_

dom/permission/moz.build

@@ -5,10 +5,12 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 EXPORTS.mozilla.dom += [
+    'Permissions.h',
     'PermissionStatus.h',
 ]
 
 UNIFIED_SOURCES += [
+    'Permissions.cpp',
     'PermissionStatus.cpp',
 ]
 

dom/tests/mochitest/general/test_interfaces.html

@@ -891,6 +891,8 @@ var interfaceNamesInGlobalScope =
     "PerformanceTiming",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "PeriodicWave",
+// IMPORTANT: Do not change this list without review from a DOM peer!
+    {name: "Permissions", nightly: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "PermissionSettings", b2g: true, permission: ["permissions"]},
 // IMPORTANT: Do not change this list without review from a DOM peer!

dom/webidl/Permissions.webidl

@@ -0,0 +1,25 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ *
+ * The origin of this IDL file is
+ * https://w3c.github.io/permissions/#permissions-interface
+ */
+
+enum PermissionName {
+  "geolocation",
+  "notifications",
+  "push",
+  "midi"
+};
+
+dictionary PermissionDescriptor {
+  required PermissionName name;
+};
+
+[Exposed=(Window),
+ Pref="dom.permissions.enabled"]
+interface Permissions {
+  Promise<PermissionStatus> query(PermissionDescriptor permission);
+};

dom/webidl/moz.build

@@ -354,6 +354,7 @@ WEBIDL_FILES = [
     'PerformanceResourceTiming.webidl',
     'PerformanceTiming.webidl',
     'PeriodicWave.webidl',
+    'Permissions.webidl',
     'PermissionSettings.webidl',
     'PermissionStatus.webidl',
     'PhoneNumberService.webidl',