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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/permission/PermissionStatus.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/permission/PermissionStatus.cpp')
-rw-r--r--dom/permission/PermissionStatus.cpp129
1 files changed, 129 insertions, 0 deletions
diff --git a/dom/permission/PermissionStatus.cpp b/dom/permission/PermissionStatus.cpp
new file mode 100644
index 000000000..680ece1d0
--- /dev/null
+++ b/dom/permission/PermissionStatus.cpp
@@ -0,0 +1,129 @@
+/* -*- 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/PermissionStatus.h"
+
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/Services.h"
+#include "nsIPermissionManager.h"
+#include "PermissionObserver.h"
+#include "PermissionUtils.h"
+
+namespace mozilla {
+namespace dom {
+
+/* static */ already_AddRefed<PermissionStatus>
+PermissionStatus::Create(nsPIDOMWindowInner* aWindow,
+ PermissionName aName,
+ ErrorResult& aRv)
+{
+ RefPtr<PermissionStatus> status = new PermissionStatus(aWindow, aName);
+ aRv = status->Init();
+ if (NS_WARN_IF(aRv.Failed())) {
+ return nullptr;
+ }
+
+ return status.forget();
+}
+
+PermissionStatus::PermissionStatus(nsPIDOMWindowInner* aWindow,
+ PermissionName aName)
+ : DOMEventTargetHelper(aWindow)
+ , mName(aName)
+ , mState(PermissionState::Denied)
+{
+}
+
+nsresult
+PermissionStatus::Init()
+{
+ mObserver = PermissionObserver::GetInstance();
+ if (NS_WARN_IF(!mObserver)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ mObserver->AddSink(this);
+
+ nsresult rv = UpdateState();
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ return NS_OK;
+}
+
+PermissionStatus::~PermissionStatus()
+{
+ if (mObserver) {
+ mObserver->RemoveSink(this);
+ }
+}
+
+JSObject*
+PermissionStatus::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+ return PermissionStatusBinding::Wrap(aCx, this, aGivenProto);
+}
+
+nsresult
+PermissionStatus::UpdateState()
+{
+ nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
+ if (NS_WARN_IF(!permMgr)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
+ if (NS_WARN_IF(!window)) {
+ return NS_ERROR_FAILURE;
+ }
+
+ uint32_t action = nsIPermissionManager::DENY_ACTION;
+ nsresult rv = permMgr->TestPermissionFromWindow(window,
+ PermissionNameToType(mName),
+ &action);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return rv;
+ }
+
+ mState = ActionToPermissionState(action);
+ return NS_OK;
+}
+
+already_AddRefed<nsIPrincipal>
+PermissionStatus::GetPrincipal() const
+{
+ nsCOMPtr<nsPIDOMWindowInner> window = GetOwner();
+ if (NS_WARN_IF(!window)) {
+ return nullptr;
+ }
+
+ nsIDocument* doc = window->GetExtantDoc();
+ if (NS_WARN_IF(!doc)) {
+ return nullptr;
+ }
+
+ nsCOMPtr<nsIPrincipal> principal =
+ mozilla::BasePrincipal::Cast(doc->NodePrincipal())->CloneStrippingUserContextIdAndFirstPartyDomain();
+ NS_ENSURE_TRUE(principal, nullptr);
+
+ return principal.forget();
+}
+
+void
+PermissionStatus::PermissionChanged()
+{
+ auto oldState = mState;
+ UpdateState();
+ if (mState != oldState) {
+ RefPtr<AsyncEventDispatcher> eventDispatcher =
+ new AsyncEventDispatcher(this, NS_LITERAL_STRING("change"), false);
+ eventDispatcher->PostDOMEvent();
+ }
+}
+
+} // namespace dom
+} // namespace mozilla