| // 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/serviceworkers/WaitUntilObserver.h" |
| |
| #include "bindings/core/v8/ScriptFunction.h" |
| #include "bindings/core/v8/ScriptPromise.h" |
| #include "bindings/core/v8/ScriptValue.h" |
| #include "bindings/core/v8/V8Binding.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/serviceworkers/ServiceWorkerGlobalScope.h" |
| #include "platform/LayoutTestSupport.h" |
| #include "platform/NotImplemented.h" |
| #include "public/platform/modules/serviceworker/WebServiceWorkerEventResult.h" |
| #include "wtf/Assertions.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| #include <v8.h> |
| |
| namespace blink { |
| |
| namespace { |
| |
| // Timeout before a service worker that was given window interaction |
| // permission loses them. The unit is seconds. |
| const unsigned kWindowInteractionTimeout = 10; |
| const unsigned kWindowInteractionTimeoutForTest = 1; |
| |
| unsigned windowInteractionTimeout() |
| { |
| return LayoutTestSupport::isRunningLayoutTest() |
| ? kWindowInteractionTimeoutForTest : kWindowInteractionTimeout; |
| } |
| |
| } // anonymous namespace |
| |
| class WaitUntilObserver::ThenFunction final : public ScriptFunction { |
| public: |
| enum ResolveType { |
| Fulfilled, |
| Rejected, |
| }; |
| |
| static v8::Local<v8::Function> createFunction(ScriptState* scriptState, WaitUntilObserver* observer, ResolveType type) |
| { |
| ThenFunction* self = new ThenFunction(scriptState, observer, type); |
| return self->bindToV8Function(); |
| } |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() |
| { |
| visitor->trace(m_observer); |
| ScriptFunction::trace(visitor); |
| } |
| |
| private: |
| ThenFunction(ScriptState* scriptState, WaitUntilObserver* observer, ResolveType type) |
| : ScriptFunction(scriptState) |
| , m_observer(observer) |
| , m_resolveType(type) |
| { |
| } |
| |
| ScriptValue call(ScriptValue value) override |
| { |
| ASSERT(m_observer); |
| ASSERT(m_resolveType == Fulfilled || m_resolveType == Rejected); |
| if (m_resolveType == Rejected) { |
| m_observer->reportError(value); |
| value = ScriptPromise::reject(value.scriptState(), value).scriptValue(); |
| } |
| m_observer->decrementPendingActivity(); |
| m_observer = nullptr; |
| return value; |
| } |
| |
| Member<WaitUntilObserver> m_observer; |
| ResolveType m_resolveType; |
| }; |
| |
| WaitUntilObserver* WaitUntilObserver::create(ExecutionContext* context, EventType type, int eventID) |
| { |
| return new WaitUntilObserver(context, type, eventID); |
| } |
| |
| void WaitUntilObserver::willDispatchEvent() |
| { |
| // When handling a notificationclick event, we want to allow one window to |
| // be focused or opened. These calls are allowed between the call to |
| // willDispatchEvent() and the last call to decrementPendingActivity(). If |
| // waitUntil() isn't called, that means between willDispatchEvent() and |
| // didDispatchEvent(). |
| if (m_type == NotificationClick) |
| executionContext()->allowWindowInteraction(); |
| |
| incrementPendingActivity(); |
| } |
| |
| void WaitUntilObserver::didDispatchEvent(bool errorOccurred) |
| { |
| if (errorOccurred) |
| m_hasError = true; |
| decrementPendingActivity(); |
| m_eventDispatched = true; |
| } |
| |
| void WaitUntilObserver::waitUntil(ScriptState* scriptState, ScriptPromise scriptPromise, ExceptionState& exceptionState) |
| { |
| if (m_eventDispatched) { |
| exceptionState.throwDOMException(InvalidStateError, "The event handler is already finished."); |
| return; |
| } |
| |
| if (!executionContext()) |
| return; |
| |
| // When handling a notificationclick event, we want to allow one window to |
| // be focused or opened. See comments in ::willDispatchEvent(). When |
| // waitUntil() is being used, opening or closing a window must happen in a |
| // timeframe specified by windowInteractionTimeout(), otherwise the calls |
| // will fail. |
| if (m_type == NotificationClick) |
| m_consumeWindowInteractionTimer.startOneShot(windowInteractionTimeout(), BLINK_FROM_HERE); |
| |
| incrementPendingActivity(); |
| scriptPromise.then( |
| ThenFunction::createFunction(scriptState, this, ThenFunction::Fulfilled), |
| ThenFunction::createFunction(scriptState, this, ThenFunction::Rejected)); |
| } |
| |
| WaitUntilObserver::WaitUntilObserver(ExecutionContext* context, EventType type, int eventID) |
| : ContextLifecycleObserver(context) |
| , m_type(type) |
| , m_eventID(eventID) |
| , m_pendingActivity(0) |
| , m_hasError(false) |
| , m_eventDispatched(false) |
| , m_consumeWindowInteractionTimer(this, &WaitUntilObserver::consumeWindowInteraction) |
| { |
| } |
| |
| void WaitUntilObserver::reportError(const ScriptValue& value) |
| { |
| // FIXME: Propagate error message to the client for onerror handling. |
| notImplemented(); |
| |
| m_hasError = true; |
| } |
| |
| void WaitUntilObserver::incrementPendingActivity() |
| { |
| ++m_pendingActivity; |
| } |
| |
| void WaitUntilObserver::decrementPendingActivity() |
| { |
| ASSERT(m_pendingActivity > 0); |
| if (!executionContext() || (!m_hasError && --m_pendingActivity)) |
| return; |
| |
| ServiceWorkerGlobalScopeClient* client = ServiceWorkerGlobalScopeClient::from(executionContext()); |
| WebServiceWorkerEventResult result = m_hasError ? WebServiceWorkerEventResultRejected : WebServiceWorkerEventResultCompleted; |
| switch (m_type) { |
| case Activate: |
| client->didHandleActivateEvent(m_eventID, result); |
| break; |
| case Install: |
| client->didHandleInstallEvent(m_eventID, result); |
| break; |
| case NotificationClick: |
| client->didHandleNotificationClickEvent(m_eventID, result); |
| m_consumeWindowInteractionTimer.stop(); |
| consumeWindowInteraction(nullptr); |
| break; |
| case Push: |
| client->didHandlePushEvent(m_eventID, result); |
| break; |
| case Sync: |
| client->didHandleSyncEvent(m_eventID, result); |
| break; |
| } |
| setContext(nullptr); |
| } |
| |
| void WaitUntilObserver::consumeWindowInteraction(Timer<WaitUntilObserver>*) |
| { |
| if (!executionContext()) |
| return; |
| executionContext()->consumeWindowInteraction(); |
| } |
| |
| DEFINE_TRACE(WaitUntilObserver) |
| { |
| ContextLifecycleObserver::trace(visitor); |
| } |
| |
| } // namespace blink |