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1eb1b2a3d2
MozReview-Commit-ID: EtBRTjYG8k3 --HG-- extra : rebase_source : 65305ba7d151fcbb9b1a425dd319b5002afa0b5e
90 lines
3.0 KiB
C++
90 lines
3.0 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/AutoplayPermissionManager.h"
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#include "mozilla/AutoplayPermissionRequest.h"
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#include "nsGlobalWindowInner.h"
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#include "nsISupportsImpl.h"
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#include "mozilla/Logging.h"
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#include "nsContentPermissionHelper.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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RefPtr<GenericPromise>
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AutoplayPermissionManager::RequestWithPrompt()
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{
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// If we've already requested permission, we'll just return the promise,
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// as we don't want to show multiple permission requests at once.
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// The promise is non-exclusive, so if the request has already completed,
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// the ThenValue will run immediately.
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if (mRequestDispatched) {
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PLAY_REQUEST_LOG("AutoplayPermissionManager %p RequestWithPrompt() request "
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"already dispatched",
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this);
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return mPromiseHolder.Ensure(__func__);
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}
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nsCOMPtr<nsPIDOMWindowInner> window = do_QueryReferent(mWindow);
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if (!window) {
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return GenericPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_NOT_ALLOWED_ERR,
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__func__);
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}
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nsCOMPtr<nsIContentPermissionRequest> request =
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AutoplayPermissionRequest::Create(nsGlobalWindowInner::Cast(window), this);
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if (!request) {
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return GenericPromise::CreateAndReject(NS_ERROR_DOM_MEDIA_NOT_ALLOWED_ERR,
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__func__);
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}
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// Dispatch the request.
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nsCOMPtr<nsIRunnable> f = NS_NewRunnableFunction(
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"AutoplayPermissionManager::RequestWithPrompt", [window, request]() {
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dom::nsContentPermissionUtils::AskPermission(request, window);
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});
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window->EventTargetFor(TaskCategory::Other)->Dispatch(f, NS_DISPATCH_NORMAL);
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mRequestDispatched = true;
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return mPromiseHolder.Ensure(__func__);
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}
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AutoplayPermissionManager::AutoplayPermissionManager(
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nsGlobalWindowInner* aWindow)
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: mWindow(do_GetWeakReference(aWindow))
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{
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PLAY_REQUEST_LOG("AutoplayPermissionManager %p Create()", this);
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}
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AutoplayPermissionManager::~AutoplayPermissionManager()
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{
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// If we made a request, it should have been resolved.
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MOZ_ASSERT(!mRequestDispatched);
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}
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void
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AutoplayPermissionManager::DenyPlayRequest()
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{
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PLAY_REQUEST_LOG("AutoplayPermissionManager %p DenyPlayRequest()", this);
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mRequestDispatched = false;
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mPromiseHolder.RejectIfExists(NS_ERROR_DOM_MEDIA_NOT_ALLOWED_ERR, __func__);
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}
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void
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AutoplayPermissionManager::ApprovePlayRequest()
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{
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PLAY_REQUEST_LOG("AutoplayPermissionManager %p ApprovePlayRequest()", this);
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mRequestDispatched = false;
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mPromiseHolder.ResolveIfExists(true, __func__);
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}
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} // namespace mozilla
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