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Bug 984048 - Patch 5 - ServiceWorker [[Install]] algorithm. r=ehsan, khuey

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This commit is contained in:
Nikhil Marathe 2014-07-01 16:43:22 -07:00
parent 8ece823137
commit b41666bc6b
7 changed files with 422 additions and 11 deletions
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64
dom/workers/RuntimeService.cpp
View File

@ -2175,6 +2175,33 @@ RuntimeService::CreateServiceWorker(const GlobalObject& aGlobal,
return rv;
}
nsresult
RuntimeService::CreateServiceWorkerFromLoadInfo(JSContext* aCx,
WorkerPrivate::LoadInfo aLoadInfo,
const nsAString& aScriptURL,
const nsACString& aScope,
ServiceWorker** aServiceWorker)
{
nsRefPtr<SharedWorker> sharedWorker;
nsresult rv = CreateSharedWorkerFromLoadInfo(aCx, aLoadInfo, aScriptURL, aScope,
WorkerTypeService,
getter_AddRefs(sharedWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsRefPtr<ServiceWorker> serviceWorker =
new ServiceWorker(nullptr, sharedWorker);
serviceWorker->mURL = aScriptURL;
serviceWorker->mScope = NS_ConvertUTF8toUTF16(aScope);
serviceWorker.forget(aServiceWorker);
return rv;
}
nsresult
RuntimeService::CreateSharedWorkerInternal(const GlobalObject& aGlobal,
const nsAString& aScriptURL,
@ -2195,11 +2222,21 @@ RuntimeService::CreateSharedWorkerInternal(const GlobalObject& aGlobal,
false, &loadInfo);
NS_ENSURE_SUCCESS(rv, rv);
MOZ_ASSERT(loadInfo.mResolvedScriptURI);
return CreateSharedWorkerFromLoadInfo(cx, loadInfo, aScriptURL, aName, aType,
aSharedWorker);
}
nsCString scriptSpec;
rv = loadInfo.mResolvedScriptURI->GetSpec(scriptSpec);
NS_ENSURE_SUCCESS(rv, rv);
nsresult
RuntimeService::CreateSharedWorkerFromLoadInfo(JSContext* aCx,
WorkerPrivate::LoadInfo aLoadInfo,
const nsAString& aScriptURL,
const nsACString& aName,
WorkerType aType,
SharedWorker** aSharedWorker)
{
AssertIsOnMainThread();
MOZ_ASSERT(aLoadInfo.mResolvedScriptURI);
nsRefPtr<WorkerPrivate> workerPrivate;
{
@ -2208,22 +2245,31 @@ RuntimeService::CreateSharedWorkerInternal(const GlobalObject& aGlobal,
WorkerDomainInfo* domainInfo;
SharedWorkerInfo* sharedWorkerInfo;
nsCString scriptSpec;
nsresult rv = aLoadInfo.mResolvedScriptURI->GetSpec(scriptSpec);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString key;
GenerateSharedWorkerKey(scriptSpec, aName, key);
if (mDomainMap.Get(loadInfo.mDomain, &domainInfo) &&
if (mDomainMap.Get(aLoadInfo.mDomain, &domainInfo) &&
domainInfo->mSharedWorkerInfos.Get(key, &sharedWorkerInfo)) {
workerPrivate = sharedWorkerInfo->mWorkerPrivate;
}
}
bool created = false;
// Keep a reference to the window before spawning the worker. If the worker is
// a Shared/Service worker and the worker script loads and executes before
// the SharedWorker object itself is created before then WorkerScriptLoaded()
// will reset the loadInfo's window.
nsCOMPtr<nsPIDOMWindow> window = aLoadInfo.mWindow;
bool created = false;
if (!workerPrivate) {
ErrorResult rv;
workerPrivate =
WorkerPrivate::Constructor(aGlobal, aScriptURL, false,
aType, aName, &loadInfo, rv);
WorkerPrivate::Constructor(aCx, aScriptURL, false,
aType, aName, &aLoadInfo, rv);
NS_ENSURE_TRUE(workerPrivate, rv.ErrorCode());
created = true;
@ -2231,7 +2277,7 @@ RuntimeService::CreateSharedWorkerInternal(const GlobalObject& aGlobal,
nsRefPtr<SharedWorker> sharedWorker = new SharedWorker(window, workerPrivate);
if (!workerPrivate->RegisterSharedWorker(cx, sharedWorker)) {
if (!workerPrivate->RegisterSharedWorker(aCx, sharedWorker)) {
NS_WARNING("Worker is unreachable, this shouldn't happen!");
sharedWorker->Close();
return NS_ERROR_FAILURE;

16
dom/workers/RuntimeService.h
View File

@ -17,6 +17,7 @@
#include "nsClassHashtable.h"
#include "nsHashKeys.h"
#include "nsTArray.h"
#include "WorkerPrivate.h"
class nsIRunnable;
class nsIThread;
@ -158,6 +159,13 @@ public:
const nsACString& aScope,
ServiceWorker** aServiceWorker);
nsresult
CreateServiceWorkerFromLoadInfo(JSContext* aCx,
WorkerPrivate::LoadInfo aLoadInfo,
const nsAString& aScriptURL,
const nsACString& aScope,
ServiceWorker** aServiceWorker);
void
ForgetSharedWorker(WorkerPrivate* aWorkerPrivate);
@ -296,6 +304,14 @@ private:
const nsACString& aName,
WorkerType aType,
SharedWorker** aSharedWorker);
nsresult
CreateSharedWorkerFromLoadInfo(JSContext* aCx,
WorkerPrivate::LoadInfo aLoadInfo,
const nsAString& aScriptURL,
const nsACString& aName,
WorkerType aType,
SharedWorker** aSharedWorker);
};
END_WORKERS_NAMESPACE

287
dom/workers/ServiceWorkerManager.cpp
View File

@ -5,6 +5,7 @@
#include "ServiceWorkerManager.h"
#include "nsIDocument.h"
#include "nsIScriptSecurityManager.h"
#include "nsPIDOMWindow.h"
#include "jsapi.h"
@ -13,6 +14,8 @@
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/DOMError.h"
#include "mozilla/dom/ErrorEvent.h"
#include "mozilla/dom/InstallEventBinding.h"
#include "mozilla/dom/PromiseNativeHandler.h"
#include "nsContentUtils.h"
#include "nsCxPusher.h"
@ -22,9 +25,11 @@
#include "RuntimeService.h"
#include "ServiceWorker.h"
#include "ServiceWorkerEvents.h"
#include "WorkerInlines.h"
#include "WorkerPrivate.h"
#include "WorkerRunnable.h"
#include "WorkerScope.h"
using namespace mozilla;
using namespace mozilla::dom;
@ -708,11 +713,243 @@ ServiceWorkerManager::HandleError(JSContext* aCx,
}
}
class FinishInstallRunnable MOZ_FINAL : public nsRunnable
{
nsMainThreadPtrHandle<ServiceWorkerRegistration> mRegistration;
public:
explicit FinishInstallRunnable(
const nsMainThreadPtrHandle<ServiceWorkerRegistration>& aRegistration)
: mRegistration(aRegistration)
{
MOZ_ASSERT(!NS_IsMainThread());
}
NS_IMETHOD
Run() MOZ_OVERRIDE
{
AssertIsOnMainThread();
nsRefPtr<ServiceWorkerManager> swm = ServiceWorkerManager::GetInstance();
swm->FinishInstall(mRegistration.get());
return NS_OK;
}
};
class CancelServiceWorkerInstallationRunnable MOZ_FINAL : public nsRunnable
{
nsMainThreadPtrHandle<ServiceWorkerRegistration> mRegistration;
public:
explicit CancelServiceWorkerInstallationRunnable(
const nsMainThreadPtrHandle<ServiceWorkerRegistration>& aRegistration)
: mRegistration(aRegistration)
{
}
NS_IMETHOD
Run() MOZ_OVERRIDE
{
AssertIsOnMainThread();
// FIXME(nsm): Change installing worker state to redundant.
// FIXME(nsm): Fire statechange.
mRegistration->mInstallingWorker.Invalidate();
return NS_OK;
}
};
/*
* Used to handle InstallEvent::waitUntil() and proceed with installation.
*/
class FinishInstallHandler MOZ_FINAL : public PromiseNativeHandler
{
nsMainThreadPtrHandle<ServiceWorkerRegistration> mRegistration;
virtual
~FinishInstallHandler()
{ }
public:
explicit FinishInstallHandler(
const nsMainThreadPtrHandle<ServiceWorkerRegistration>& aRegistration)
: mRegistration(aRegistration)
{
MOZ_ASSERT(!NS_IsMainThread());
}
void
ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate();
MOZ_ASSERT(workerPrivate);
workerPrivate->AssertIsOnWorkerThread();
nsRefPtr<FinishInstallRunnable> r = new FinishInstallRunnable(mRegistration);
NS_DispatchToMainThread(r);
}
void
RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue) MOZ_OVERRIDE
{
nsRefPtr<CancelServiceWorkerInstallationRunnable> r =
new CancelServiceWorkerInstallationRunnable(mRegistration);
NS_DispatchToMainThread(r);
}
};
/*
* Fires 'install' event on the ServiceWorkerGlobalScope. Modifies busy count
* since it fires the event. This is ok since there can't be nested
* ServiceWorkers, so the parent thread -> worker thread requirement for
* runnables is satisfied.
*/
class InstallEventRunnable MOZ_FINAL : public WorkerRunnable
{
nsMainThreadPtrHandle<ServiceWorkerRegistration> mRegistration;
nsCString mScope;
public:
InstallEventRunnable(
WorkerPrivate* aWorkerPrivate,
const nsMainThreadPtrHandle<ServiceWorkerRegistration>& aRegistration)
: WorkerRunnable(aWorkerPrivate, WorkerThreadModifyBusyCount),
mRegistration(aRegistration),
mScope(aRegistration.get()->mScope) // copied for access on worker thread.
{
AssertIsOnMainThread();
MOZ_ASSERT(aWorkerPrivate);
}
bool
WorkerRun(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
MOZ_ASSERT(aWorkerPrivate);
return DispatchInstallEvent(aCx, aWorkerPrivate);
}
private:
bool
DispatchInstallEvent(JSContext* aCx, WorkerPrivate* aWorkerPrivate)
{
aWorkerPrivate->AssertIsOnWorkerThread();
MOZ_ASSERT(aWorkerPrivate->IsServiceWorker());
InstallEventInit init;
init.mBubbles = false;
init.mCancelable = true;
// FIXME(nsm): Bug 982787 pass previous active worker.
nsRefPtr<EventTarget> target = aWorkerPrivate->GlobalScope();
nsRefPtr<InstallEvent> event =
InstallEvent::Constructor(target, NS_LITERAL_STRING("install"), init);
event->SetTrusted(true);
nsRefPtr<Promise> waitUntilPromise;
nsresult rv = target->DispatchDOMEvent(nullptr, event, nullptr, nullptr);
nsCOMPtr<nsIGlobalObject> sgo = aWorkerPrivate->GlobalScope();
if (NS_SUCCEEDED(rv)) {
waitUntilPromise = event->GetPromise();
if (!waitUntilPromise) {
ErrorResult rv;
waitUntilPromise =
Promise::Resolve(sgo,
aCx, JS::UndefinedHandleValue, rv);
}
} else {
ErrorResult rv;
// Continue with a canceled install.
waitUntilPromise = Promise::Reject(sgo, aCx,
JS::UndefinedHandleValue, rv);
}
nsRefPtr<FinishInstallHandler> handler =
new FinishInstallHandler(mRegistration);
waitUntilPromise->AppendNativeHandler(handler);
return true;
}
};
void
ServiceWorkerManager::Install(ServiceWorkerRegistration* aRegistration,
ServiceWorkerInfo aServiceWorkerInfo)
{
// FIXME(nsm): Same bug, different patch.
AssertIsOnMainThread();
aRegistration->mInstallingWorker = aServiceWorkerInfo;
nsMainThreadPtrHandle<ServiceWorkerRegistration> handle =
new nsMainThreadPtrHolder<ServiceWorkerRegistration>(aRegistration);
nsRefPtr<ServiceWorker> serviceWorker;
nsresult rv =
CreateServiceWorker(aServiceWorkerInfo.GetScriptSpec(),
aRegistration->mScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
aRegistration->mInstallingWorker.Invalidate();
return;
}
nsRefPtr<InstallEventRunnable> r =
new InstallEventRunnable(serviceWorker->GetWorkerPrivate(), handle);
AutoSafeJSContext cx;
r->Dispatch(cx);
// When this function exits, although we've lost references to the ServiceWorker,
// which means the underlying WorkerPrivate has no references, the worker
// will stay alive due to the modified busy count until the install event has
// been dispatched.
// NOTE: The worker spec does not require Promises to keep a worker alive, so
// the waitUntil() construct by itself will not keep a worker alive beyond
// the event dispatch. On the other hand, networking, IDB and so on do keep
// the worker alive, so the waitUntil() is only relevant if the Promise is
// gated on those actions. I (nsm) am not sure if it is worth requiring
// a special spec mention saying the install event should keep the worker
// alive indefinitely purely on the basis of calling waitUntil(), since
// a wait is likely to be required only when performing networking or storage
// transactions in the first place.
// FIXME(nsm): Bug 983497. Fire "updatefound" on ServiceWorkerContainers.
}
class ActivationRunnable : public nsRunnable
{
public:
explicit ActivationRunnable(ServiceWorkerRegistration* aRegistration)
{ }
};
void
ServiceWorkerManager::FinishInstall(ServiceWorkerRegistration* aRegistration)
{
AssertIsOnMainThread();
if (aRegistration->mWaitingWorker.IsValid()) {
// FIXME(nsm): Actually update the state of active ServiceWorker instances.
}
aRegistration->mWaitingWorker = aRegistration->mInstallingWorker;
aRegistration->mInstallingWorker.Invalidate();
// FIXME(nsm): Actually update state of active ServiceWorker instances to
// installed.
// FIXME(nsm): Fire statechange on the instances.
// FIXME(nsm): Handle replace().
// FIXME(nsm): Check that no document is using the registration!
nsRefPtr<ActivationRunnable> r =
new ActivationRunnable(aRegistration);
nsresult rv = NS_DispatchToMainThread(r);
if (NS_WARN_IF(NS_FAILED(rv))) {
// FIXME(nsm): Handle error.
}
}
NS_IMETHODIMP
@ -747,4 +984,52 @@ ServiceWorkerManager::CreateServiceWorkerForWindow(nsPIDOMWindow* aWindow,
return rv;
}
NS_IMETHODIMP
ServiceWorkerManager::CreateServiceWorker(const nsACString& aScriptSpec,
const nsACString& aScope,
ServiceWorker** aServiceWorker)
{
AssertIsOnMainThread();
WorkerPrivate::LoadInfo info;
nsresult rv = NS_NewURI(getter_AddRefs(info.mBaseURI), aScriptSpec, nullptr, nullptr);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
info.mResolvedScriptURI = info.mBaseURI;
rv = info.mBaseURI->GetHost(info.mDomain);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
// FIXME(nsm): Create correct principal based on app-ness.
// Would it make sense to store the nsIPrincipal of the first register() in
// the ServiceWorkerRegistration and use that?
nsIScriptSecurityManager* ssm = nsContentUtils::GetSecurityManager();
rv = ssm->GetNoAppCodebasePrincipal(info.mBaseURI, getter_AddRefs(info.mPrincipal));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
AutoSafeJSContext cx;
nsRefPtr<ServiceWorker> serviceWorker;
RuntimeService* rs = RuntimeService::GetService();
if (!rs) {
return NS_ERROR_FAILURE;
}
rv = rs->CreateServiceWorkerFromLoadInfo(cx, info, NS_ConvertUTF8toUTF16(aScriptSpec), aScope,
getter_AddRefs(serviceWorker));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
serviceWorker.forget(aServiceWorker);
return NS_OK;
}
END_WORKERS_NAMESPACE

11
dom/workers/ServiceWorkerManager.h
View File

@ -25,6 +25,7 @@ namespace dom {
namespace workers {
class ServiceWorker;
class ServiceWorkerContainer;
class ServiceWorkerUpdateInstance;
/**
@ -241,6 +242,9 @@ public:
FinishFetch(ServiceWorkerRegistration* aRegistration,
nsPIDOMWindow* aWindow);
void
FinishInstall(ServiceWorkerRegistration* aRegistration);
void
HandleError(JSContext* aCx,
const nsACString& aScope,
@ -266,12 +270,17 @@ private:
Install(ServiceWorkerRegistration* aRegistration,
ServiceWorkerInfo aServiceWorkerInfo);
NS_IMETHODIMP
NS_IMETHOD
CreateServiceWorkerForWindow(nsPIDOMWindow* aWindow,
const nsACString& aScriptSpec,
const nsACString& aScope,
ServiceWorker** aServiceWorker);
NS_IMETHOD
CreateServiceWorker(const nsACString& aScriptSpec,
const nsACString& aScope,
ServiceWorker** aServiceWorker);
static PLDHashOperator
CleanupServiceWorkerInformation(const nsACString& aDomain,
ServiceWorkerDomainInfo* aDomainInfo,

4
dom/workers/test/serviceworkers/install_event_worker.js Normal file
View File

@ -0,0 +1,4 @@
oninstall = function(e) {
dump("NSM Got install event\n");
dump(e.activeWorker);
}

2
dom/workers/test/serviceworkers/mochitest.ini
View File

@ -4,6 +4,8 @@ support-files =
worker2.js
worker3.js
parse_error_worker.js
install_event_worker.js
[test_installation_simple.html]
[test_install_event.html]
[test_navigator.html]

49
dom/workers/test/serviceworkers/test_install_event.html Normal file
View File

@ -0,0 +1,49 @@
<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<head>
<title>Bug 94048 - test install event.</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
<script class="testbody" type="text/javascript">
function simpleRegister() {
var p = navigator.serviceWorker.register("worker.js");
return p;
}
function nextRegister() {
var p = navigator.serviceWorker.register("install_event_worker.js");
todo(false, "Check for onupdatefound event");
return p;
}
function runTest() {
simpleRegister()
.then(nextRegister)
.then(function() {
SimpleTest.finish();
}).catch(function(e) {
ok(false, "Some test failed with error " + e);
SimpleTest.finish();
});
}
SimpleTest.waitForExplicitFinish();
SpecialPowers.pushPrefEnv({"set": [
["dom.serviceWorkers.enabled", true],
["dom.serviceWorkers.testing.enabled", true]
]}, runTest);
</script>
</pre>
</body>
</html>