forked from mirrors/gecko-dev
f0dc3526ed
Depends on D189509 Differential Revision: https://phabricator.services.mozilla.com/D189510
118 lines
3.8 KiB
C++
118 lines
3.8 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/ContentChild.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/dom/MidiPermissionStatus.h"
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#include "mozilla/dom/PermissionMessageUtils.h"
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#include "mozilla/dom/PermissionStatus.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/dom/StorageAccessPermissionStatus.h"
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#include "mozilla/Components.h"
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#include "nsIPermissionManager.h"
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#include "PermissionUtils.h"
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namespace mozilla::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(nsPIDOMWindowInner* aWindow) : mWindow(aWindow) {}
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Permissions::~Permissions() = default;
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JSObject* Permissions::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return Permissions_Binding::Wrap(aCx, this, aGivenProto);
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}
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namespace {
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RefPtr<MozPromise<RefPtr<PermissionStatus>, nsresult, true>>
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CreatePermissionStatus(JSContext* aCx, JS::Handle<JSObject*> aPermission,
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nsPIDOMWindowInner* aWindow, ErrorResult& aRv) {
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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.NoteJSContextException(aCx);
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return nullptr;
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}
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switch (permission.mName) {
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case PermissionName::Midi: {
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MidiPermissionDescriptor midiPerm;
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if (NS_WARN_IF(!midiPerm.Init(aCx, value))) {
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aRv.NoteJSContextException(aCx);
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return nullptr;
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}
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bool sysex = midiPerm.mSysex.WasPassed() && midiPerm.mSysex.Value();
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return MidiPermissionStatus::Create(aWindow, sysex);
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}
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case PermissionName::Storage_access:
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return StorageAccessPermissionStatus::Create(aWindow);
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case PermissionName::Geolocation:
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case PermissionName::Notifications:
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case PermissionName::Push:
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case PermissionName::Persistent_storage:
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case PermissionName::Screen_wake_lock:
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return PermissionStatus::Create(aWindow, permission.mName);
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default:
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MOZ_ASSERT_UNREACHABLE("Unhandled type");
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return MozPromise<RefPtr<PermissionStatus>, nsresult,
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true>::CreateAndReject(NS_ERROR_NOT_IMPLEMENTED,
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__func__);
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}
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}
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} // namespace
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already_AddRefed<Promise> Permissions::Query(JSContext* aCx,
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JS::Handle<JSObject*> aPermission,
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ErrorResult& aRv) {
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if (!mWindow || !mWindow->IsFullyActive()) {
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aRv.ThrowInvalidStateError("The document is not fully active.");
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return nullptr;
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}
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RefPtr<Promise> promise = Promise::Create(mWindow->AsGlobal(), 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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auto permissionStatusPromise =
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CreatePermissionStatus(aCx, aPermission, mWindow, aRv);
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if (!permissionStatusPromise) {
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return nullptr;
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}
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permissionStatusPromise->Then(
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GetMainThreadSerialEventTarget(), __func__,
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[promise](const RefPtr<PermissionStatus>& aStatus) {
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promise->MaybeResolve(aStatus);
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return;
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},
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[](nsresult aError) {
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MOZ_ASSERT(NS_FAILED(aError));
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NS_WARNING("Failed PermissionStatus creation");
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return;
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});
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return promise.forget();
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}
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} // namespace mozilla::dom
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