C++ (Cpp) getListenerFunction Examples

Example #1

File: V8EventListener.cpp Project: mirror/chromium

v8::Local<v8::Value> V8EventListener::callListenerFunction(
    ScriptState* scriptState,
    v8::Local<v8::Value> jsEvent,
    Event* event) {
    ASSERT(!jsEvent.IsEmpty());
    v8::Local<v8::Function> handlerFunction = getListenerFunction(scriptState);
    v8::Local<v8::Object> receiver = getReceiverObject(scriptState, event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    if (!scriptState->getExecutionContext()->isDocument())
        return v8::Local<v8::Value>();

    LocalFrame* frame = toDocument(scriptState->getExecutionContext())->frame();
    if (!frame)
        return v8::Local<v8::Value>();

    // TODO(jochen): Consider moving this check into canExecuteScripts.
    // http://crbug.com/608641
    if (scriptState->world().isMainWorld() &&
            !frame->script().canExecuteScripts(AboutToExecuteScript))
        return v8::Local<v8::Value>();

    v8::Local<v8::Value> parameters[1] = {jsEvent};
    v8::Local<v8::Value> result;
    if (!V8ScriptRunner::callFunction(handlerFunction, frame->document(),
                                      receiver, WTF_ARRAY_LENGTH(parameters),
                                      parameters, scriptState->isolate())
            .ToLocal(&result))
        return v8::Local<v8::Value>();
    return result;
}

Example #2

File: V8WorkerContextEventListener.cpp Project: kcomkar/webkit

v8::Local<v8::Value> V8WorkerContextEventListener::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{
    V8GCController::checkMemoryUsage();

    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::ScriptOrigin origin = handlerFunction->GetScriptOrigin();
        if (!origin.ResourceName().IsEmpty()) {
            resourceName = toWebCoreString(origin.ResourceName());
            lineNumber = handlerFunction->GetScriptLineNumber() + 1;
        }
        cookie = InspectorInstrumentation::willCallFunction(context, resourceName, lineNumber);
    }

    v8::Handle<v8::Value> parameters[1] = { jsEvent };
    V8RecursionScope recursionScope(context);
    v8::Local<v8::Value> result = handlerFunction->Call(receiver, 1, parameters);

    InspectorInstrumentation::didCallFunction(cookie);

    return result;
}

Example #3

File: V8WorkerGlobalScopeEventListener.cpp Project: Mihiri/blink

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, 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;
}

Example #4

File: V8WorkerGlobalScopeEventListener.cpp Project: 335969568/Blink-1

v8::Local<v8::Value> V8WorkerGlobalScopeEventListener::callListenerFunction(v8::Handle<v8::Value> jsEvent, Event* event)
{
    v8::Local<v8::Function> handlerFunction = getListenerFunction(scriptState()->executionContext());
    v8::Local<v8::Object> receiver = getReceiverObject(event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "FunctionCall", "data", devToolsTraceEventData(scriptState()->executionContext(), handlerFunction, isolate()));
    TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.stack"), "CallStack", "stack", InspectorCallStackEvent::currentCallStack());
    // FIXME(361045): remove InspectorInstrumentation calls once DevTools Timeline migrates to tracing.
    InspectorInstrumentationCookie cookie;
    if (InspectorInstrumentation::timelineAgentEnabled(scriptState()->executionContext())) {
        int scriptId = 0;
        String resourceName;
        int lineNumber = 1;
        GetDevToolsFunctionInfo(handlerFunction, isolate(), scriptId, resourceName, lineNumber);
        cookie = InspectorInstrumentation::willCallFunction(scriptState()->executionContext(), scriptId, resourceName, lineNumber);
    }

    v8::Handle<v8::Value> parameters[1] = { jsEvent };
    v8::Local<v8::Value> result = V8ScriptRunner::callFunction(handlerFunction, scriptState()->executionContext(), receiver, WTF_ARRAY_LENGTH(parameters), parameters, isolate());

    InspectorInstrumentation::didCallFunction(cookie);
    TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", "data", InspectorUpdateCountersEvent::data());

    return result;
}

Example #5

File: V8WorkerContextEventListener.cpp Project: jackiekaon/owb-mirror

v8::Local<v8::Value> V8WorkerContextEventListener::callListenerFunction(v8::Handle<v8::Value> jsEvent, Event* event)
{
    v8::Local<v8::Function> handlerFunction = getListenerFunction();
    v8::Local<v8::Object> receiver = getReceiverObject(event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    v8::Handle<v8::Value> parameters[1] = { jsEvent };
    v8::Local<v8::Value> result = handlerFunction->Call(receiver, 1, parameters);

    m_proxy->trackEvent(event);

    return result;
}

Example #6

File: V8CustomEventListener.cpp Project: flwh/Alcatel_OT_985_kernel

v8::Local<v8::Value> V8EventListener::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{

    v8::Local<v8::Function> handlerFunction = getListenerFunction(context);
    v8::Local<v8::Object> receiver = getReceiverObject(event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    v8::Handle<v8::Value> parameters[1] = { jsEvent };

    if (V8Proxy* proxy = V8Proxy::retrieve(context))
        return proxy->callFunction(handlerFunction, receiver, 1, parameters);

    return v8::Local<v8::Value>();
}

Example #7

File: V8EventListener.cpp Project: davemichael/mojo

v8::Local<v8::Value> V8EventListener::callListenerFunction(v8::Handle<v8::Value> jsEvent, Event* event)
{
    v8::Local<v8::Function> handlerFunction = getListenerFunction(scriptState()->executionContext());
    v8::Local<v8::Object> receiver = getReceiverObject(event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    if (!scriptState()->executionContext()->isDocument())
        return v8::Local<v8::Value>();

    LocalFrame* frame = toDocument(scriptState()->executionContext())->frame();
    if (!frame)
        return v8::Local<v8::Value>();

    v8::Handle<v8::Value> parameters[1] = { jsEvent };
    return frame->script().callFunction(handlerFunction, receiver, WTF_ARRAY_LENGTH(parameters), parameters);
}

Example #8

File: V8EventListener.cpp Project: Moondee/Artemis

v8::Local<v8::Value> V8EventListener::callListenerFunction(ScriptExecutionContext* context, v8::Handle<v8::Value> jsEvent, Event* event)
{

    v8::Local<v8::Function> handlerFunction = getListenerFunction(context);
    v8::Local<v8::Object> receiver = getReceiverObject(event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    v8::Handle<v8::Value> parameters[1] = { jsEvent };

    if (V8Proxy* proxy = V8Proxy::retrieve(context)) {
        Frame* frame = static_cast<Document*>(context)->frame();
        if (frame->script()->canExecuteScripts(AboutToExecuteScript))
            return proxy->callFunction(handlerFunction, receiver, 1, parameters);
    }

    return v8::Local<v8::Value>();
}

Example #9

File: V8WorkerGlobalScopeEventListener.cpp Project: JiangSuyong/chromium

v8::Local<v8::Value> V8WorkerGlobalScopeEventListener::callListenerFunction(ScriptState* scriptState, v8::Local<v8::Value> jsEvent, Event* event)
{
    ASSERT(!jsEvent.IsEmpty());
    v8::Local<v8::Function> handlerFunction = getListenerFunction(scriptState);
    v8::Local<v8::Object> receiver = getReceiverObject(scriptState, event);
    if (handlerFunction.IsEmpty() || receiver.IsEmpty())
        return v8::Local<v8::Value>();

    v8::Local<v8::Value> parameters[1] = { jsEvent };
    v8::MaybeLocal<v8::Value> maybeResult = V8ScriptRunner::callFunction(handlerFunction, scriptState->executionContext(), receiver, WTF_ARRAY_LENGTH(parameters), parameters, isolate());

    TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline"), "UpdateCounters", TRACE_EVENT_SCOPE_THREAD, "data", InspectorUpdateCountersEvent::data());

    v8::Local<v8::Value> result;
    if (!maybeResult.ToLocal(&result))
        return v8::Local<v8::Value>();
    return result;
}