| /* |
| * Copyright (C) 2013 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. 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_CORE_WORKERS_SHARED_WORKER_CLIENT_HOLDER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_SHARED_WORKER_CLIENT_HOLDER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "mojo/public/cpp/bindings/strong_binding_set.h" |
| #include "third_party/blink/public/mojom/blob/blob_url_store.mojom-blink.h" |
| #include "third_party/blink/public/mojom/worker/shared_worker_client.mojom-blink.h" |
| #include "third_party/blink/public/mojom/worker/shared_worker_connector.mojom-blink.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/execution_context/context_lifecycle_observer.h" |
| #include "third_party/blink/renderer/platform/heap/garbage_collected.h" |
| #include "third_party/blink/renderer/platform/wtf/forward.h" |
| |
| namespace blink { |
| |
| class MessagePortChannel; |
| class KURL; |
| class SharedWorker; |
| |
| // This holds SharedWorkerClients connecting with SharedWorkerHosts in the |
| // browser process. Every call of SharedWorkerClientHolder::Connect() creates a |
| // new client instance regardless of existing connections, and keeps it until |
| // the connection gets lost. |
| // |
| // SharedWorkerClientHolder is a per-Document object and owned by Document via |
| // Supplement<Document>. |
| class CORE_EXPORT SharedWorkerClientHolder final |
| : public GarbageCollectedFinalized<SharedWorkerClientHolder>, |
| public Supplement<Document>, |
| public ContextLifecycleObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(SharedWorkerClientHolder); |
| |
| public: |
| static const char kSupplementName[]; |
| static SharedWorkerClientHolder* From(Document& document); |
| |
| explicit SharedWorkerClientHolder(Document&); |
| virtual ~SharedWorkerClientHolder() = default; |
| |
| // Establishes a connection with SharedWorkerHost in the browser process. |
| void Connect(SharedWorker*, |
| MessagePortChannel, |
| const KURL&, |
| mojom::blink::BlobURLTokenPtr, |
| const String& name); |
| |
| // Overrides ContextLifecycleObserver. |
| void ContextDestroyed(ExecutionContext*) override; |
| |
| void Trace(Visitor* visitor) override; |
| |
| private: |
| mojom::blink::SharedWorkerConnectorPtr connector_; |
| mojo::StrongBindingSet<mojom::blink::SharedWorkerClient> client_set_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SharedWorkerClientHolder); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_WORKERS_SHARED_WORKER_CLIENT_HOLDER_H_ |