gecko-dev/dom/html/AutoplayPermissionRequest.cpp

147 строки
4.0 KiB
C++

/* -*- 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/AutoplayPermissionRequest.h"
#include "mozilla/AutoplayPermissionManager.h"
#include "mozilla/Logging.h"
extern mozilla::LazyLogModule gAutoplayPermissionLog;
#define PLAY_REQUEST_LOG(msg, ...) \
MOZ_LOG(gAutoplayPermissionLog, LogLevel::Debug, (msg, ##__VA_ARGS__))
namespace mozilla {
NS_IMPL_ISUPPORTS(AutoplayPermissionRequest, nsIContentPermissionRequest)
AutoplayPermissionRequest::AutoplayPermissionRequest(
AutoplayPermissionManager* aManager,
nsGlobalWindowInner* aWindow,
nsIPrincipal* aNodePrincipal,
nsIEventTarget* aMainThreadTarget)
: mManager(aManager)
, mWindow(do_GetWeakReference(aWindow))
, mNodePrincipal(aNodePrincipal)
, mMainThreadTarget(aMainThreadTarget)
, mRequester(new dom::nsContentPermissionRequester(aWindow))
{
MOZ_ASSERT(mNodePrincipal);
}
AutoplayPermissionRequest::~AutoplayPermissionRequest()
{
Cancel();
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
{
NS_ENSURE_ARG_POINTER(aRequestingPrincipal);
nsCOMPtr<nsIPrincipal> principal = mNodePrincipal;
principal.forget(aRequestingPrincipal);
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetTypes(nsIArray** aTypes)
{
NS_ENSURE_ARG_POINTER(aTypes);
nsTArray<nsString> emptyOptions;
return dom::nsContentPermissionUtils::CreatePermissionArray(
NS_LITERAL_CSTRING("autoplay-media"),
emptyOptions,
aTypes);
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
{
NS_ENSURE_ARG_POINTER(aRequestingWindow);
nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mWindow);
if (!window) {
return NS_ERROR_FAILURE;
}
window.forget(aRequestingWindow);
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetElement(dom::Element** aRequestingElement)
{
NS_ENSURE_ARG_POINTER(aRequestingElement);
*aRequestingElement = nullptr;
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetIsHandlingUserInput(bool* aIsHandlingUserInput)
{
NS_ENSURE_ARG_POINTER(aIsHandlingUserInput);
*aIsHandlingUserInput = false;
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::Cancel()
{
if (mManager) {
mManager->DenyPlayRequestIfExists();
// Clear reference to manager, so we can't double report a result.
// This could happen in particular if we call Cancel() in the destructor.
mManager = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::Allow(JS::HandleValue aChoices)
{
if (mManager) {
mManager->ApprovePlayRequestIfExists();
// Clear reference to manager, so we can't double report a result.
// This could happen in particular if we call Cancel() in the destructor.
mManager = nullptr;
}
return NS_OK;
}
NS_IMETHODIMP
AutoplayPermissionRequest::GetRequester(
nsIContentPermissionRequester** aRequester)
{
NS_ENSURE_ARG_POINTER(aRequester);
nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
requester.forget(aRequester);
return NS_OK;
}
already_AddRefed<AutoplayPermissionRequest>
AutoplayPermissionRequest::Create(nsGlobalWindowInner* aWindow,
AutoplayPermissionManager* aManager)
{
if (!aWindow || !aWindow->GetPrincipal() ||
!aWindow->EventTargetFor(TaskCategory::Other)) {
return nullptr;
}
RefPtr<AutoplayPermissionRequest> request =
new AutoplayPermissionRequest(aManager,
aWindow,
aWindow->GetPrincipal(),
aWindow->EventTargetFor(TaskCategory::Other));
PLAY_REQUEST_LOG("AutoplayPermissionRequest %p Create()", request.get());
return request.forget();
}
} // namespace mozilla