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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "modules/notifications/ServiceWorkerRegistrationNotifications.h"
#include "bindings/core/v8/CallbackPromiseAdapter.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/dom/ExecutionContext.h"
#include "modules/notifications/GetNotificationOptions.h"
#include "modules/notifications/Notification.h"
#include "modules/notifications/NotificationData.h"
#include "modules/notifications/NotificationManager.h"
#include "modules/notifications/NotificationOptions.h"
#include "modules/notifications/NotificationResourcesLoader.h"
#include "modules/serviceworkers/ServiceWorkerRegistration.h"
#include "platform/Histogram.h"
#include "platform/heap/Handle.h"
#include "public/platform/Platform.h"
#include "public/platform/WebSecurityOrigin.h"
#include "public/platform/modules/notifications/WebNotificationData.h"
#include "wtf/Assertions.h"
#include "wtf/PtrUtil.h"
#include "wtf/RefPtr.h"
#include <memory>
#include <utility>
namespace blink {
namespace {
// Allows using a CallbackPromiseAdapter with a WebVector to resolve the
// getNotifications() promise with a HeapVector owning Notifications.
class NotificationArray {
public:
using WebType = const WebVector<WebPersistentNotificationInfo>&;
static HeapVector<Member<Notification>> take(
ScriptPromiseResolver* resolver,
const WebVector<WebPersistentNotificationInfo>& notificationInfos) {
HeapVector<Member<Notification>> notifications;
for (const WebPersistentNotificationInfo& notificationInfo :
notificationInfos)
notifications.push_back(Notification::create(
resolver->getExecutionContext(), notificationInfo.notificationId,
notificationInfo.data, true /* showing */));
return notifications;
}
private:
NotificationArray() = delete;
};
} // namespace
ServiceWorkerRegistrationNotifications::ServiceWorkerRegistrationNotifications(
ExecutionContext* executionContext,
ServiceWorkerRegistration* registration)
: ContextLifecycleObserver(executionContext),
m_registration(registration) {}
ScriptPromise ServiceWorkerRegistrationNotifications::showNotification(
ScriptState* scriptState,
ServiceWorkerRegistration& registration,
const String& title,
const NotificationOptions& options,
ExceptionState& exceptionState) {
ExecutionContext* executionContext = scriptState->getExecutionContext();
// If context object's active worker is null, reject the promise with a
// TypeError exception.
if (!registration.active())
return ScriptPromise::reject(
scriptState,
V8ThrowException::createTypeError(scriptState->isolate(),
"No active registration available on "
"the ServiceWorkerRegistration."));
// If permission for notification's origin is not "granted", reject the
// promise with a TypeError exception, and terminate these substeps.
if (NotificationManager::from(executionContext)
->permissionStatus(executionContext) !=
mojom::blink::PermissionStatus::GRANTED)
return ScriptPromise::reject(
scriptState,
V8ThrowException::createTypeError(
scriptState->isolate(),
"No notification permission has been granted for this origin."));
// Validate the developer-provided options to get the WebNotificationData.
WebNotificationData data = createWebNotificationData(executionContext, title,
options, exceptionState);
if (exceptionState.hadException())
return exceptionState.reject(scriptState);
// Log number of actions developer provided in linear histogram:
// 0 -> underflow bucket,
// 1-16 -> distinct buckets,
// 17+ -> overflow bucket.
DEFINE_THREAD_SAFE_STATIC_LOCAL(
EnumerationHistogram, notificationCountHistogram,
new EnumerationHistogram(
"Notifications.PersistentNotificationActionCount", 17));
notificationCountHistogram.count(options.actions().size());
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
std::unique_ptr<WebNotificationShowCallbacks> callbacks =
WTF::wrapUnique(new CallbackPromiseAdapter<void, void>(resolver));
ServiceWorkerRegistrationNotifications::from(executionContext, registration)
.prepareShow(data, std::move(callbacks));
return promise;
}
ScriptPromise ServiceWorkerRegistrationNotifications::getNotifications(
ScriptState* scriptState,
ServiceWorkerRegistration& registration,
const GetNotificationOptions& options) {
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
auto callbacks =
WTF::makeUnique<CallbackPromiseAdapter<NotificationArray, void>>(
resolver);
WebNotificationManager* notificationManager =
Platform::current()->notificationManager();
DCHECK(notificationManager);
notificationManager->getNotifications(
options.tag(), registration.webRegistration(), std::move(callbacks));
return promise;
}
void ServiceWorkerRegistrationNotifications::contextDestroyed(
ExecutionContext*) {
for (auto loader : m_loaders)
loader->stop();
}
DEFINE_TRACE(ServiceWorkerRegistrationNotifications) {
visitor->trace(m_registration);
visitor->trace(m_loaders);
Supplement<ServiceWorkerRegistration>::trace(visitor);
ContextLifecycleObserver::trace(visitor);
}
const char* ServiceWorkerRegistrationNotifications::supplementName() {
return "ServiceWorkerRegistrationNotifications";
}
ServiceWorkerRegistrationNotifications&
ServiceWorkerRegistrationNotifications::from(
ExecutionContext* executionContext,
ServiceWorkerRegistration& registration) {
ServiceWorkerRegistrationNotifications* supplement =
static_cast<ServiceWorkerRegistrationNotifications*>(
Supplement<ServiceWorkerRegistration>::from(registration,
supplementName()));
if (!supplement) {
supplement = new ServiceWorkerRegistrationNotifications(executionContext,
®istration);
provideTo(registration, supplementName(), supplement);
}
return *supplement;
}
void ServiceWorkerRegistrationNotifications::prepareShow(
const WebNotificationData& data,
std::unique_ptr<WebNotificationShowCallbacks> callbacks) {
RefPtr<SecurityOrigin> origin = getExecutionContext()->getSecurityOrigin();
NotificationResourcesLoader* loader = new NotificationResourcesLoader(
WTF::bind(&ServiceWorkerRegistrationNotifications::didLoadResources,
wrapWeakPersistent(this), origin.release(), data,
WTF::passed(std::move(callbacks))));
m_loaders.add(loader);
loader->start(getExecutionContext(), data);
}
void ServiceWorkerRegistrationNotifications::didLoadResources(
PassRefPtr<SecurityOrigin> origin,
const WebNotificationData& data,
std::unique_ptr<WebNotificationShowCallbacks> callbacks,
NotificationResourcesLoader* loader) {
DCHECK(m_loaders.contains(loader));
WebNotificationManager* notificationManager =
Platform::current()->notificationManager();
DCHECK(notificationManager);
notificationManager->showPersistent(
WebSecurityOrigin(origin.get()), data, loader->getResources(),
m_registration->webRegistration(), std::move(callbacks));
m_loaders.remove(loader);
}
} // namespace blink
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