зеркало из https://github.com/mozilla/gecko-dev.git
148 строки
4.0 KiB
C++
148 строки
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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/AutoplayPermissionRequest.h"
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#include "mozilla/AutoplayPermissionManager.h"
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#include "mozilla/Logging.h"
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extern mozilla::LazyLogModule gAutoplayPermissionLog;
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#define PLAY_REQUEST_LOG(msg, ...) \
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MOZ_LOG(gAutoplayPermissionLog, LogLevel::Debug, (msg, ##__VA_ARGS__))
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namespace mozilla {
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NS_IMPL_ISUPPORTS(AutoplayPermissionRequest, nsIContentPermissionRequest)
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AutoplayPermissionRequest::AutoplayPermissionRequest(
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AutoplayPermissionManager* aManager,
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nsGlobalWindowInner* aWindow,
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nsIPrincipal* aNodePrincipal,
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nsIEventTarget* aMainThreadTarget)
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: mManager(aManager)
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, mWindow(do_GetWeakReference(aWindow))
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, mNodePrincipal(aNodePrincipal)
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, mMainThreadTarget(aMainThreadTarget)
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, mRequester(new dom::nsContentPermissionRequester(aWindow))
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{
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MOZ_ASSERT(mNodePrincipal);
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}
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AutoplayPermissionRequest::~AutoplayPermissionRequest()
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{
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Cancel();
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetPrincipal(nsIPrincipal** aRequestingPrincipal)
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{
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NS_ENSURE_ARG_POINTER(aRequestingPrincipal);
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nsCOMPtr<nsIPrincipal> principal = mNodePrincipal;
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principal.forget(aRequestingPrincipal);
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetTypes(nsIArray** aTypes)
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{
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NS_ENSURE_ARG_POINTER(aTypes);
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nsTArray<nsString> emptyOptions;
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return dom::nsContentPermissionUtils::CreatePermissionArray(
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NS_LITERAL_CSTRING("autoplay-media"),
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NS_LITERAL_CSTRING("unused"),
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emptyOptions,
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aTypes);
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetWindow(mozIDOMWindow** aRequestingWindow)
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{
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NS_ENSURE_ARG_POINTER(aRequestingWindow);
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nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mWindow);
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if (!window) {
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return NS_ERROR_FAILURE;
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}
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window.forget(aRequestingWindow);
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetElement(dom::Element** aRequestingElement)
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{
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NS_ENSURE_ARG_POINTER(aRequestingElement);
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*aRequestingElement = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetIsHandlingUserInput(bool* aIsHandlingUserInput)
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{
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NS_ENSURE_ARG_POINTER(aIsHandlingUserInput);
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*aIsHandlingUserInput = false;
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::Cancel()
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{
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if (mManager) {
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mManager->DenyPlayRequestIfExists();
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// Clear reference to manager, so we can't double report a result.
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// This could happen in particular if we call Cancel() in the destructor.
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mManager = nullptr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::Allow(JS::HandleValue aChoices)
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{
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if (mManager) {
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mManager->ApprovePlayRequestIfExists();
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// Clear reference to manager, so we can't double report a result.
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// This could happen in particular if we call Cancel() in the destructor.
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mManager = nullptr;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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AutoplayPermissionRequest::GetRequester(
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nsIContentPermissionRequester** aRequester)
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{
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NS_ENSURE_ARG_POINTER(aRequester);
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nsCOMPtr<nsIContentPermissionRequester> requester = mRequester;
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requester.forget(aRequester);
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return NS_OK;
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}
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already_AddRefed<AutoplayPermissionRequest>
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AutoplayPermissionRequest::Create(nsGlobalWindowInner* aWindow,
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AutoplayPermissionManager* aManager)
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{
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if (!aWindow || !aWindow->GetPrincipal() ||
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!aWindow->EventTargetFor(TaskCategory::Other)) {
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return nullptr;
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}
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RefPtr<AutoplayPermissionRequest> request =
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new AutoplayPermissionRequest(aManager,
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aWindow,
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aWindow->GetPrincipal(),
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aWindow->EventTargetFor(TaskCategory::Other));
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PLAY_REQUEST_LOG("AutoplayPermissionRequest %p Create()", request.get());
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return request.forget();
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}
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} // namespace mozilla
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