JSValue ScriptController::executeScript(const ScriptSourceCode& sourceCode, ExceptionDetails* exceptionDetails)
{
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return { }; // FIXME: Would jsNull be better?
Ref<Frame> protect(m_frame); // Script execution can destroy the frame, and thus the ScriptController.
return evaluate(sourceCode, exceptionDetails);
}
Deprecated::ScriptValue ScriptController::executeScript(const ScriptSourceCode& sourceCode)
{
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return Deprecated::ScriptValue();
Ref<Frame> protect(m_frame); // Script execution can destroy the frame, and thus the ScriptController.
return evaluate(sourceCode);
}
ScriptValue ScriptController::executeScriptInWorld(DOMWrapperWorld* world, const String& script, bool forceUserGesture)
{
UserGestureIndicator gestureIndicator(forceUserGesture ? DefinitelyProcessingUserGesture : PossiblyProcessingUserGesture);
ScriptSourceCode sourceCode(script, m_frame->document()->url());
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return ScriptValue();
return evaluateInWorld(sourceCode, world);
}
JSValue ScriptController::executeScriptInWorld(DOMWrapperWorld& world, const String& script, bool forceUserGesture)
{
UserGestureIndicator gestureIndicator(forceUserGesture ? Optional<ProcessingUserGestureState>(ProcessingUserGesture) : Nullopt);
ScriptSourceCode sourceCode(script, m_frame.document()->url());
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return { };
return evaluateInWorld(sourceCode, world);
}
Bindings::RootObject* ScriptController::bindingRootObject()
{
if (!canExecuteScripts(NotAboutToExecuteScript))
return 0;
if (!m_bindingRootObject) {
JSLock lock(SilenceAssertionsOnly);
m_bindingRootObject = Bindings::RootObject::create(0, globalObject(pluginWorld()));
}
return m_bindingRootObject.get();
}
Bindings::RootObject* ScriptController::bindingRootObject()
{
if (!canExecuteScripts(NotAboutToExecuteScript))
return 0;
if (!m_bindingRootObject) {
JSLockHolder lock(JSDOMWindowBase::commonJSGlobalData());
m_bindingRootObject = Bindings::RootObject::create(0, globalObject(pluginWorld()));
}
return m_bindingRootObject.get();
}
JSObject* ScriptController::jsObjectForPluginElement(HTMLPlugInElement* plugin)
{
// Can't create JSObjects when JavaScript is disabled
if (!canExecuteScripts(NotAboutToExecuteScript))
return 0;
// Create a JSObject bound to this element
JSLock lock(SilenceAssertionsOnly);
JSDOMWindow* globalObj = globalObject(pluginWorld());
// FIXME: is normal okay? - used for NP plugins?
JSValue jsElementValue = toJS(globalObj->globalExec(), globalObj, plugin);
if (!jsElementValue || !jsElementValue.isObject())
return 0;
return jsElementValue.getObject();
}
ScriptValue ScriptController::executeScript(const ScriptSourceCode& sourceCode)
{
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return ScriptValue();
bool wasInExecuteScript = m_inExecuteScript;
m_inExecuteScript = true;
ScriptValue result = evaluate(sourceCode);
if (!wasInExecuteScript) {
m_inExecuteScript = false;
Document::updateStyleForAllDocuments();
}
return result;
}
NPObject* ScriptController::windowScriptNPObject()
{
if (m_windowScriptNPObject)
return m_windowScriptNPObject;
if (canExecuteScripts()) {
// JavaScript is enabled, so there is a JavaScript window object.
// Return an NPObject bound to the window object.
m_windowScriptNPObject = createScriptObject(m_frame);
_NPN_RegisterObject(m_windowScriptNPObject, 0);
} else {
// JavaScript is not enabled, so we cannot bind the NPObject to the
// JavaScript window object. Instead, we create an NPObject of a
// different class, one which is not bound to a JavaScript object.
m_windowScriptNPObject = createNoScriptObject();
}
return m_windowScriptNPObject;
}
ScriptValue ScriptController::executeScriptInWorld(DOMWrapperWorld* world, const String& script, bool forceUserGesture)
{
ScriptSourceCode sourceCode(script, forceUserGesture ? KURL() : m_frame->document()->url());
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return ScriptValue();
bool wasInExecuteScript = m_inExecuteScript;
m_inExecuteScript = true;
ScriptValue result = evaluateInWorld(sourceCode, world);
if (!wasInExecuteScript) {
m_inExecuteScript = false;
Document::updateStyleForAllDocuments();
}
return result;
}
NPObject* ScriptController::createScriptObjectForPluginElement(HTMLPlugInElement* plugin)
{
// Can't create NPObjects when JavaScript is disabled.
if (!canExecuteScripts())
return createNoScriptObject();
v8::HandleScope handleScope;
v8::Handle<v8::Context> v8Context = V8Proxy::mainWorldContext(m_frame);
if (v8Context.IsEmpty())
return createNoScriptObject();
v8::Context::Scope scope(v8Context);
DOMWindow* window = m_frame->domWindow();
v8::Handle<v8::Value> v8plugin = toV8(static_cast<HTMLEmbedElement*>(plugin));
if (!v8plugin->IsObject())
return createNoScriptObject();
return npCreateV8ScriptObject(0, v8::Handle<v8::Object>::Cast(v8plugin), window);
}
ScriptValue ScriptController::executeScript(const ScriptSourceCode& sourceCode)
{
if (!canExecuteScripts(AboutToExecuteScript) || isPaused())
return ScriptValue();
bool wasInExecuteScript = m_inExecuteScript;
m_inExecuteScript = true;
RefPtr<Frame> protect(m_frame); // Script execution can destroy the frame, and thus the ScriptController.
ScriptValue result = evaluate(sourceCode);
if (!wasInExecuteScript) {
m_inExecuteScript = false;
Document::updateStyleForAllDocuments();
}
return result;
}
NPObject* ScriptController::windowScriptNPObject()
{
if (!m_windowScriptNPObject) {
if (canExecuteScripts(NotAboutToExecuteScript)) {
// JavaScript is enabled, so there is a JavaScript window object.
// Return an NPObject bound to the window object.
JSC::JSLock lock(SilenceAssertionsOnly);
JSObject* win = windowShell(pluginWorld())->window();
ASSERT(win);
Bindings::RootObject* root = bindingRootObject();
m_windowScriptNPObject = _NPN_CreateScriptObject(0, win, root);
} else {
// JavaScript is not enabled, so we cannot bind the NPObject to the JavaScript window object.
// Instead, we create an NPObject of a different class, one which is not bound to a JavaScript object.
m_windowScriptNPObject = _NPN_CreateNoScriptObject();
}
}
return m_windowScriptNPObject;
}
