mirror of
https://github.com/mozilla/gecko-dev.git
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126 lines
3.3 KiB
C++
126 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/Permissions.h"
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#include "mozilla/dom/PermissionsBinding.h"
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#include "mozilla/dom/Promise.h"
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#include "mozilla/Services.h"
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#include "nsIPermissionManager.h"
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#include "PermissionUtils.h"
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namespace mozilla {
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namespace dom {
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Permissions)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(Permissions)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(Permissions)
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Permissions, mWindow)
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Permissions::Permissions(nsPIDOMWindow* aWindow)
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: mWindow(aWindow)
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{
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}
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Permissions::~Permissions()
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{
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}
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JSObject*
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Permissions::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return PermissionsBinding::Wrap(aCx, this, aGivenProto);
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}
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namespace {
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already_AddRefed<PermissionStatus>
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CreatePushPermissionStatus(JSContext* aCx,
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JS::Handle<JSObject*> aPermission,
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nsPIDOMWindow* aWindow,
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ErrorResult& aRv)
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{
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PushPermissionDescriptor permission;
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JS::Rooted<JS::Value> value(aCx, JS::ObjectOrNullValue(aPermission));
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if (NS_WARN_IF(!permission.Init(aCx, value))) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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if (permission.mUserVisible) {
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aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
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return nullptr;
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}
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return PermissionStatus::Create(aWindow, permission.mName, aRv);
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}
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already_AddRefed<PermissionStatus>
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CreatePermissionStatus(JSContext* aCx,
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JS::Handle<JSObject*> aPermission,
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nsPIDOMWindow* aWindow,
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ErrorResult& aRv)
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{
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PermissionDescriptor permission;
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JS::Rooted<JS::Value> value(aCx, JS::ObjectOrNullValue(aPermission));
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if (NS_WARN_IF(!permission.Init(aCx, value))) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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switch (permission.mName) {
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case PermissionName::Geolocation:
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case PermissionName::Notifications:
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return PermissionStatus::Create(aWindow, permission.mName, aRv);
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case PermissionName::Push:
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return CreatePushPermissionStatus(aCx, aPermission, aWindow, aRv);
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default:
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MOZ_ASSERT_UNREACHABLE("Unhandled type");
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aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
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return nullptr;
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}
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}
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} // namespace
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already_AddRefed<Promise>
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Permissions::Query(JSContext* aCx,
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JS::Handle<JSObject*> aPermission,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
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if (!global) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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RefPtr<PermissionStatus> status =
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CreatePermissionStatus(aCx, aPermission, mWindow, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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MOZ_ASSERT(!status);
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promise->MaybeReject(aRv);
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} else {
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MOZ_ASSERT(status);
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promise->MaybeResolve(status);
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}
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return promise.forget();
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}
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} // namespace dom
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} // namespace mozilla
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