| /* |
| * Copyright (C) 2009, 2012 Ericsson AB. All rights reserved. |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Ericsson nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_H_ |
| |
| #include <memory> |
| #include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h" |
| #include "third_party/blink/renderer/core/dom/events/event_target.h" |
| #include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/core/loader/threadable_loader.h" |
| #include "third_party/blink/renderer/core/loader/threadable_loader_client.h" |
| #include "third_party/blink/renderer/modules/eventsource/event_source_parser.h" |
| #include "third_party/blink/renderer/modules/modules_export.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/timer.h" |
| #include "third_party/blink/renderer/platform/weborigin/kurl.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| |
| namespace blink { |
| |
| class EventSourceInit; |
| class ExceptionState; |
| class ResourceResponse; |
| |
| class MODULES_EXPORT EventSource final |
| : public EventTargetWithInlineData, |
| public ThreadableLoaderClient, |
| public ActiveScriptWrappable<EventSource>, |
| public ContextLifecycleObserver, |
| public EventSourceParser::Client { |
| DEFINE_WRAPPERTYPEINFO(); |
| USING_GARBAGE_COLLECTED_MIXIN(EventSource); |
| |
| public: |
| static EventSource* Create(ExecutionContext*, |
| const String& url, |
| const EventSourceInit*, |
| ExceptionState&); |
| |
| EventSource(ExecutionContext*, const KURL&, const EventSourceInit*); |
| ~EventSource() override; |
| |
| static const unsigned long long kDefaultReconnectDelay; |
| |
| String url() const; |
| bool withCredentials() const; |
| |
| enum State : short { kConnecting = 0, kOpen = 1, kClosed = 2 }; |
| |
| State readyState() const; |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(open, kOpen); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(message, kMessage); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(error, kError); |
| |
| void close(); |
| |
| const AtomicString& InterfaceName() const override; |
| ExecutionContext* GetExecutionContext() const override; |
| |
| // ContextLifecycleObserver |
| // |
| // Note: We don't need to inherit from ContextLifecycleStateObserver since |
| // ScopedPageLoadDeferrer calls Page::setDefersLoading() and |
| // it defers delivery of events from the loader, and therefore |
| // the methods of this class for receiving asynchronous events |
| // from the loader won't be invoked. |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| // ScriptWrappable |
| bool HasPendingActivity() const final; |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| void DidReceiveResponse(unsigned long, const ResourceResponse&) override; |
| void DidReceiveData(const char*, unsigned) override; |
| void DidFinishLoading(unsigned long) override; |
| void DidFail(const ResourceError&) override; |
| void DidFailRedirectCheck() override; |
| |
| void OnMessageEvent(const AtomicString& event, |
| const String& data, |
| const AtomicString& id) override; |
| void OnReconnectionTimeSet(unsigned long long reconnection_time) override; |
| |
| void ScheduleInitialConnect(); |
| void Connect(); |
| void NetworkRequestEnded(); |
| void ScheduleReconnect(); |
| void ConnectTimerFired(TimerBase*); |
| void AbortConnectionAttempt(); |
| |
| // The original URL specified when constructing EventSource instance. Used |
| // for the 'url' attribute getter. |
| const KURL url_; |
| // The URL used to connect to the server, which may be different from |
| // |m_url| as it may be redirected. |
| KURL current_url_; |
| bool with_credentials_; |
| State state_; |
| |
| Member<EventSourceParser> parser_; |
| Member<ThreadableLoader> loader_; |
| TaskRunnerTimer<EventSource> connect_timer_; |
| |
| unsigned long long reconnect_delay_; |
| String event_stream_origin_; |
| unsigned long resource_identifier_ = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_MODULES_EVENTSOURCE_EVENT_SOURCE_H_ |