This source file includes following definitions.
- handleEvent
- callListenerFunction
- getReceiverObject
#include "config.h"
#include "bindings/v8/V8WorkerGlobalScopeEventListener.h"
#include "V8Event.h"
#include "V8EventTarget.h"
#include "bindings/v8/V8Binding.h"
#include "bindings/v8/V8DOMWrapper.h"
#include "bindings/v8/V8GCController.h"
#include "bindings/v8/V8ScriptRunner.h"
#include "bindings/v8/WorkerScriptController.h"
#include "core/inspector/InspectorInstrumentation.h"
#include "core/workers/WorkerGlobalScope.h"
namespace WebCore {
V8WorkerGlobalScopeEventListener::V8WorkerGlobalScopeEventListener(v8::Local<v8::Object> listener, bool isInline, v8::Isolate* isolate)
: V8EventListener(listener, isInline, isolate)
{
}
void V8WorkerGlobalScopeEventListener::handleEvent(ExecutionContext* context, Event* event)
{
if (!context)
return;
RefPtr<V8AbstractEventListener> protect(this);
v8::Isolate* isolate = toIsolate(context);
v8::HandleScope handleScope(isolate);
WorkerScriptController* script = toWorkerGlobalScope(context)->script();
if (!script)
return;
v8::Handle<v8::Context> v8Context = script->context();
if (v8Context.IsEmpty())
return;
v8::Context::Scope scope(v8Context);
v8::Handle<v8::Value> jsEvent = toV8(event, v8::Handle<v8::Object>(), isolate);
invokeEventHandler(context, event, v8::Local<v8::Value>::New(isolate, jsEvent));
}
v8::Local<v8::Value> V8WorkerGlobalScopeEventListener::callListenerFunction(ExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{
v8::Local<v8::Function> handlerFunction = getListenerFunction(context);
v8::Local<v8::Object> receiver = getReceiverObject(context, event);
if (handlerFunction.IsEmpty() || receiver.IsEmpty())
return v8::Local<v8::Value>();
InspectorInstrumentationCookie cookie;
if (InspectorInstrumentation::timelineAgentEnabled(context)) {
String resourceName("undefined");
int lineNumber = 1;
v8::Handle<v8::Function> originalFunction = getBoundFunction(handlerFunction);
v8::ScriptOrigin origin = originalFunction->GetScriptOrigin();
if (!origin.ResourceName().IsEmpty()) {
V8TRYCATCH_FOR_V8STRINGRESOURCE_RETURN(V8StringResource<>, stringResourceName, origin.ResourceName(), v8::Local<v8::Value>());
resourceName = stringResourceName;
lineNumber = originalFunction->GetScriptLineNumber() + 1;
}
cookie = InspectorInstrumentation::willCallFunction(context, originalFunction->ScriptId(), resourceName, lineNumber);
}
v8::Isolate* isolate = toIsolate(context);
v8::Handle<v8::Value> parameters[1] = { jsEvent };
v8::Local<v8::Value> result = V8ScriptRunner::callFunction(handlerFunction, context, receiver, WTF_ARRAY_LENGTH(parameters), parameters, isolate);
InspectorInstrumentation::didCallFunction(cookie);
return result;
}
v8::Local<v8::Object> V8WorkerGlobalScopeEventListener::getReceiverObject(ExecutionContext* context, Event* event)
{
v8::Local<v8::Object> listener = getListenerObject(context);
if (!listener.IsEmpty() && !listener->IsFunction())
return listener;
EventTarget* target = event->currentTarget();
v8::Isolate* isolate = toIsolate(context);
v8::Handle<v8::Value> value = toV8(target, v8::Handle<v8::Object>(), isolate);
if (value.IsEmpty())
return v8::Local<v8::Object>();
return v8::Local<v8::Object>::New(isolate, v8::Handle<v8::Object>::Cast(value));
}
}