зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.0 KiB
C++
110 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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/dom/PlayPromise.h"
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#include "mozilla/Logging.h"
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#include "mozilla/Telemetry.h"
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extern mozilla::LazyLogModule gMediaElementLog;
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#define PLAY_PROMISE_LOG(msg, ...) \
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MOZ_LOG(gMediaElementLog, LogLevel::Debug, (msg, ##__VA_ARGS__))
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namespace mozilla {
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namespace dom {
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PlayPromise::PlayPromise(nsIGlobalObject* aGlobal) : Promise(aGlobal) {}
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PlayPromise::~PlayPromise() {
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if (!mFulfilled && PromiseObj()) {
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MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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}
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}
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/* static */
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already_AddRefed<PlayPromise> PlayPromise::Create(nsIGlobalObject* aGlobal,
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ErrorResult& aRv) {
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RefPtr<PlayPromise> promise = new PlayPromise(aGlobal);
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promise->CreateWrapper(nullptr, aRv);
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return aRv.Failed() ? nullptr : promise.forget();
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}
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void PlayPromise::MaybeResolveWithUndefined() {
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if (mFulfilled) {
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return;
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}
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mFulfilled = true;
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PLAY_PROMISE_LOG("PlayPromise %p resolved with undefined", this);
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auto reason = Telemetry::LABELS_MEDIA_PLAY_PROMISE_RESOLUTION::Resolved;
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Telemetry::AccumulateCategorical(reason);
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Promise::MaybeResolveWithUndefined();
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}
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using PlayLabel = Telemetry::LABELS_MEDIA_PLAY_PROMISE_RESOLUTION;
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struct PlayPromiseTelemetryResult {
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nsresult mValue;
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PlayLabel mLabel;
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const char* mName;
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};
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static const PlayPromiseTelemetryResult sPlayPromiseTelemetryResults[] = {
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{
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NS_ERROR_DOM_MEDIA_NOT_ALLOWED_ERR,
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PlayLabel::NotAllowedErr,
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"NotAllowedErr",
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},
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{
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NS_ERROR_DOM_MEDIA_NOT_SUPPORTED_ERR,
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PlayLabel::SrcNotSupportedErr,
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"SrcNotSupportedErr",
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},
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{
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NS_ERROR_DOM_MEDIA_ABORT_ERR,
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PlayLabel::PauseAbortErr,
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"PauseAbortErr",
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},
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{
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NS_ERROR_DOM_ABORT_ERR,
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PlayLabel::AbortErr,
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"AbortErr",
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},
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};
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static const PlayPromiseTelemetryResult* FindPlayPromiseTelemetryResult(
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nsresult aReason) {
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for (const auto& p : sPlayPromiseTelemetryResults) {
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if (p.mValue == aReason) {
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return &p;
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}
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}
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return nullptr;
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}
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static PlayLabel ToPlayResultLabel(nsresult aReason) {
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auto p = FindPlayPromiseTelemetryResult(aReason);
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return p ? p->mLabel : PlayLabel::UnknownErr;
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}
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static const char* ToPlayResultStr(nsresult aReason) {
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auto p = FindPlayPromiseTelemetryResult(aReason);
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return p ? p->mName : "UnknownErr";
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}
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void PlayPromise::MaybeReject(nsresult aReason) {
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if (mFulfilled) {
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return;
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}
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mFulfilled = true;
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PLAY_PROMISE_LOG("PlayPromise %p rejected with 0x%x (%s)", this,
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static_cast<uint32_t>(aReason), ToPlayResultStr(aReason));
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Telemetry::AccumulateCategorical(ToPlayResultLabel(aReason));
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Promise::MaybeReject(aReason);
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}
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} // namespace dom
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} // namespace mozilla
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