src/third_party/WebKit/Source/core/workers/DedicatedWorkerGlobalScope.cpp

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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
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  30
  31 #include "config.h"
  32 #include "core/workers/DedicatedWorkerGlobalScope.h"
  33
  34 #include "bindings/core/v8/ExceptionState.h"
  35 #include "bindings/core/v8/SerializedScriptValue.h"
  36 #include "core/frame/LocalDOMWindow.h"
  37 #include "core/workers/DedicatedWorkerThread.h"
  38 #include "core/workers/WorkerClients.h"
  39 #include "core/workers/WorkerObjectProxy.h"
  40 #include "core/workers/WorkerThreadStartupData.h"
  41
  42 namespace blink {
  43
  44 PassRefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> DedicatedWorkerGlobalScope::create(DedicatedWorkerThread* thread, PassOwnPtrWillBeRawPtr<WorkerThreadStartupData> startupData, double timeOrigin)
  45 {
  46     RefPtrWillBeRawPtr<DedicatedWorkerGlobalScope> context = adoptRefWillBeRefCountedGarbageCollected(new DedicatedWorkerGlobalScope(startupData->m_scriptURL, startupData->m_userAgent, thread, timeOrigin, startupData->m_workerClients.release()));
  47     context->applyContentSecurityPolicyFromString(startupData->m_contentSecurityPolicy, startupData->m_contentSecurityPolicyType);
  48     return context.release();
  49 }
  50
  51 DedicatedWorkerGlobalScope::DedicatedWorkerGlobalScope(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread, double timeOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients)
  52     : WorkerGlobalScope(url, userAgent, thread, timeOrigin, workerClients)
  53 {
  54     ScriptWrappable::init(this);
  55 }
  56
  57 DedicatedWorkerGlobalScope::~DedicatedWorkerGlobalScope()
  58 {
  59 }
  60
  61 const AtomicString& DedicatedWorkerGlobalScope::interfaceName() const
  62 {
  63     return EventTargetNames::DedicatedWorkerGlobalScope;
  64 }
  65
  66 void DedicatedWorkerGlobalScope::postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray* ports, ExceptionState& exceptionState)
  67 {
  68     // Disentangle the port in preparation for sending it to the remote context.
  69     OwnPtr<MessagePortChannelArray> channels = MessagePort::disentanglePorts(ports, exceptionState);
  70     if (exceptionState.hadException())
  71         return;
  72     thread()->workerObjectProxy().postMessageToWorkerObject(message, channels.release());
  73 }
  74
  75 void DedicatedWorkerGlobalScope::importScripts(const Vector<String>& urls, ExceptionState& exceptionState)
  76 {
  77     Base::importScripts(urls, exceptionState);
  78     thread()->workerObjectProxy().reportPendingActivity(hasPendingActivity());
  79 }
  80
  81 DedicatedWorkerThread* DedicatedWorkerGlobalScope::thread() const
  82 {
  83     return static_cast<DedicatedWorkerThread*>(Base::thread());
  84 }
  85
  86 class UseCounterTask : public ExecutionContextTask {
  87 public:
  88     static PassOwnPtr<UseCounterTask> createCount(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, false)); }
  89     static PassOwnPtr<UseCounterTask> createDeprecation(UseCounter::Feature feature) { return adoptPtr(new UseCounterTask(feature, true)); }
  90
  91 private:
  92     UseCounterTask(UseCounter::Feature feature, bool isDeprecation)
  93         : m_feature(feature)
  94         , m_isDeprecation(isDeprecation)
  95     {
  96     }
  97
  98     virtual void performTask(ExecutionContext* context) OVERRIDE
  99     {
 100         ASSERT(context->isDocument());
 101         if (m_isDeprecation)
 102             UseCounter::countDeprecation(context, m_feature);
 103         else
 104             UseCounter::count(context, m_feature);
 105     }
 106
 107     UseCounter::Feature m_feature;
 108     bool m_isDeprecation;
 109 };
 110
 111 void DedicatedWorkerGlobalScope::countFeature(UseCounter::Feature feature) const
 112 {
 113     thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createCount(feature));
 114 }
 115
 116 void DedicatedWorkerGlobalScope::countDeprecation(UseCounter::Feature feature) const
 117 {
 118     thread()->workerObjectProxy().postTaskToMainExecutionContext(UseCounterTask::createDeprecation(feature));
 119 }
 120
 121 void DedicatedWorkerGlobalScope::trace(Visitor* visitor)
 122 {
 123     WorkerGlobalScope::trace(visitor);
 124 }
 125
 126 } // namespace blink