third_party/WebKit/Source/modules/compositorworker/CompositorWorker.cpp

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "modules/compositorworker/CompositorWorker.h"
   7
   8 #include "bindings/core/v8/ExceptionState.h"
   9 #include "core/dom/Document.h"
  10 #include "core/dom/ExceptionCode.h"
  11 #include "core/workers/WorkerClients.h"
  12 #include "modules/EventTargetModules.h"
  13 #include "modules/compositorworker/CompositorWorkerMessagingProxy.h"
  14 #include "wtf/MainThread.h"
  15
  16 namespace blink {
  17
  18 inline CompositorWorker::CompositorWorker(ExecutionContext* context)
  19     : InProcessWorkerBase(context)
  20 {
  21 }
  22
  23 CompositorWorker* CompositorWorker::create(ExecutionContext* context, const String& url, ExceptionState& exceptionState)
  24 {
  25     ASSERT(isMainThread());
  26     Document* document = toDocument(context);
  27     if (!document->page()) {
  28         exceptionState.throwDOMException(InvalidAccessError, "The context provided is invalid.");
  29         return nullptr;
  30     }
  31     CompositorWorker* worker = new CompositorWorker(context);
  32     if (worker->initialize(context, url, exceptionState))
  33         return worker;
  34     return nullptr;
  35 }
  36
  37 CompositorWorker::~CompositorWorker()
  38 {
  39     ASSERT(isMainThread());
  40 }
  41
  42 const AtomicString& CompositorWorker::interfaceName() const
  43 {
  44     return EventTargetNames::CompositorWorker;
  45 }
  46
  47 WorkerGlobalScopeProxy* CompositorWorker::createWorkerGlobalScopeProxy(ExecutionContext* worker)
  48 {
  49     ASSERT(executionContext()->isDocument());
  50     return new CompositorWorkerMessagingProxy(this);
  51 }
  52
  53 } // namespace blink