Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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
#include "MediaKeySystemAccessPermissionRequest.h"
#include "nsGlobalWindowInner.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(MediaKeySystemAccessPermissionRequest,
ContentPermissionRequestBase)
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED_0(
MediaKeySystemAccessPermissionRequest, ContentPermissionRequestBase)
/* static */
already_AddRefed<MediaKeySystemAccessPermissionRequest>
MediaKeySystemAccessPermissionRequest::Create(nsPIDOMWindowInner* aWindow) {
// Could conceivably be created off main thread then used on main thread
// later. If we really need to do that at some point we could relax this
// assert.
AssertIsOnMainThread();
if (!aWindow) {
return nullptr;
}
nsGlobalWindowInner* innerWindow = nsGlobalWindowInner::Cast(aWindow);
if (!innerWindow->GetPrincipal()) {
return nullptr;
}
RefPtr<MediaKeySystemAccessPermissionRequest> request =
new MediaKeySystemAccessPermissionRequest(innerWindow);
return request.forget();
}
MediaKeySystemAccessPermissionRequest::MediaKeySystemAccessPermissionRequest(
nsGlobalWindowInner* aWindow)
: ContentPermissionRequestBase(aWindow->GetPrincipal(), aWindow,
"media.eme.require-app-approval"_ns,
"media-key-system-access"_ns) {}
MediaKeySystemAccessPermissionRequest::
~MediaKeySystemAccessPermissionRequest() {
AssertIsOnMainThread();
// If a request has not been serviced by the time it is destroyed, treat it
// as if the request was denied.
Cancel();
}
already_AddRefed<MediaKeySystemAccessPermissionRequest::RequestPromise>
MediaKeySystemAccessPermissionRequest::GetPromise() {
return mPromiseHolder.Ensure(__func__);
}
nsresult MediaKeySystemAccessPermissionRequest::Start() {
// Check test prefs to see if we should short circuit. We want to do this
// before checking the cached value so we can have pref changes take effect
// without refreshing the page.
MediaKeySystemAccessPermissionRequest::PromptResult promptResult =
CheckPromptPrefs();
if (promptResult ==
MediaKeySystemAccessPermissionRequest::PromptResult::Granted) {
return Allow(JS::UndefinedHandleValue);
}
if (promptResult ==
MediaKeySystemAccessPermissionRequest::PromptResult::Denied) {
return Cancel();
}
return nsContentPermissionUtils::AskPermission(this, mWindow);
}
NS_IMETHODIMP
MediaKeySystemAccessPermissionRequest::Allow(JS::Handle<JS::Value> aChoices) {
AssertIsOnMainThread();
mPromiseHolder.ResolveIfExists(true, __func__);
return NS_OK;
}
NS_IMETHODIMP
MediaKeySystemAccessPermissionRequest::Cancel() {
AssertIsOnMainThread();
mPromiseHolder.RejectIfExists(false, __func__);
return NS_OK;
}
} // namespace mozilla::dom