зеркало из https://github.com/mozilla/gecko-dev.git
120 строки
2.8 KiB
C++
120 строки
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set et cin ts=4 sw=4 sts=4: */
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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 "DelayHttpChannelQueue.h"
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#include "mozilla/Services.h"
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#include "mozilla/StaticPtr.h"
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using namespace mozilla;
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using namespace mozilla::net;
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namespace {
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StaticRefPtr<DelayHttpChannelQueue> sDelayHttpChannelQueue;
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}
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bool DelayHttpChannelQueue::AttemptQueueChannel(nsHttpChannel* aChannel) {
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MOZ_ASSERT(aChannel);
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MOZ_ASSERT(NS_IsMainThread());
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if (!TimeStamp::GetFuzzyfoxEnabled()) {
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return false;
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}
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if (!sDelayHttpChannelQueue) {
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RefPtr<DelayHttpChannelQueue> queue = new DelayHttpChannelQueue();
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if (!queue->Initialize()) {
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return false;
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}
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sDelayHttpChannelQueue = queue;
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}
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if (NS_WARN_IF(
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!sDelayHttpChannelQueue->mQueue.AppendElement(aChannel, fallible))) {
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return false;
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}
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return true;
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}
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DelayHttpChannelQueue::DelayHttpChannelQueue() {
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MOZ_ASSERT(NS_IsMainThread());
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}
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DelayHttpChannelQueue::~DelayHttpChannelQueue() {
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MOZ_ASSERT(NS_IsMainThread());
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}
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bool DelayHttpChannelQueue::Initialize() {
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MOZ_ASSERT(NS_IsMainThread());
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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if (NS_WARN_IF(!obs)) {
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return false;
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}
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nsresult rv = obs->AddObserver(this, "fuzzyfox-fire-outbound", false);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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rv = obs->AddObserver(this, "xpcom-shutdown", false);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return false;
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}
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return true;
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}
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NS_IMETHODIMP
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DelayHttpChannelQueue::Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) {
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MOZ_ASSERT(NS_IsMainThread());
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if (!strcmp(aTopic, "fuzzyfox-fire-outbound")) {
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FireQueue();
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return NS_OK;
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}
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MOZ_ASSERT(!strcmp(aTopic, "xpcom-shutdown"));
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nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
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if (NS_WARN_IF(!obs)) {
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return NS_OK;
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}
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obs->RemoveObserver(this, "fuzzyfox-fire-outbound");
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obs->RemoveObserver(this, "xpcom-shutdown");
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return NS_OK;
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}
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void DelayHttpChannelQueue::FireQueue() {
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MOZ_ASSERT(NS_IsMainThread());
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if (mQueue.IsEmpty()) {
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return;
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}
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// TODO: get this from the DOM clock?
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TimeStamp ts = TimeStamp::Now();
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FallibleTArray<RefPtr<nsHttpChannel>> queue;
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queue.SwapElements(mQueue);
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for (RefPtr<nsHttpChannel>& channel : queue) {
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channel->AsyncOpenFinal(ts);
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}
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}
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NS_INTERFACE_MAP_BEGIN(DelayHttpChannelQueue)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIObserver)
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NS_INTERFACE_MAP_ENTRY(nsIObserver)
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NS_INTERFACE_MAP_END
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NS_IMPL_ADDREF(DelayHttpChannelQueue)
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NS_IMPL_RELEASE(DelayHttpChannelQueue)
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