void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(bashi): Avoid using ForceSet(). When we use accessors to implement
// attributes, we may be able to remove updateDocumentProperty().
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
// We also stash a reference to the document on the inner global object so that
// LocalDOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
V8HiddenValue::setHiddenValue(m_isolate, toInnerGlobalObject(context), V8HiddenValue::document(m_isolate), documentWrapper);
}
void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(jochen): Don't replace the accessor with a data value. We need a way to tell v8 that the accessor's return value won't change after this point.
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
}
void V8DOMWindowShell::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
v8::HandleScope handleScope;
// FIXME: Should we use a new Local handle here?
v8::Context::Scope contextScope(m_context.get());
v8::Handle<v8::Value> documentWrapper = toV8(m_frame->document());
ASSERT(documentWrapper == m_document.get() || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Handle<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.get(), m_frame->document());
// If instantiation of the document wrapper fails, clear the cache
// and let the DOMWindow accessor handle access to the document.
if (documentWrapper.IsEmpty()) {
clearDocumentProperty();
return;
}
ASSERT(documentWrapper->IsObject());
m_context->Global()->ForceSet(v8::String::New("document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
// We also stash a reference to the document on the inner global object so that
// DOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
toInnerGlobalObject(m_context.get())->SetHiddenValue(V8HiddenPropertyName::document(), documentWrapper);
}
void V8DOMWindowShell::updateDocumentWrapperCache()
{
v8::HandleScope handleScope;
v8::Context::Scope contextScope(m_context);
// If the document has no frame, NodeToV8Object might get the
// document wrapper for a document that is about to be deleted.
// If the ForceSet below causes a garbage collection, the document
// might get deleted and the global handle for the document
// wrapper cleared. Using the cleared global handle will lead to
// crashes. In this case we clear the cache and let the DOMWindow
// accessor handle access to the document.
if (!m_frame->document()->frame()) {
clearDocumentWrapperCache();
return;
}
v8::Handle<v8::Value> documentWrapper = toV8(m_frame->document());
ASSERT(documentWrapper == m_document || m_document.IsEmpty());
if (m_document.IsEmpty())
updateDocumentWrapper(v8::Handle<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document, m_frame->document());
// If instantiation of the document wrapper fails, clear the cache
// and let the DOMWindow accessor handle access to the document.
if (documentWrapper.IsEmpty()) {
clearDocumentWrapperCache();
return;
}
ASSERT(documentWrapper->IsObject());
m_context->Global()->ForceSet(v8::String::New("document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
}
void WindowProxy::updateDocumentProperty()
{
if (!m_world->isMainWorld())
return;
if (m_frame->isRemoteFrame()) {
return;
}
ScriptState::Scope scope(m_scriptState.get());
v8::Local<v8::Context> context = m_scriptState->context();
LocalFrame* frame = toLocalFrame(m_frame);
v8::Local<v8::Value> documentWrapper = toV8(frame->document(), context->Global(), context->GetIsolate());
if (documentWrapper.IsEmpty())
return;
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Local<v8::Object>::Cast(documentWrapper));
checkDocumentWrapper(m_document.newLocal(m_isolate), frame->document());
ASSERT(documentWrapper->IsObject());
// TODO(jochen): Don't replace the accessor with a data value. We need a way to tell v8 that the accessor's return value won't change after this point.
if (!v8CallBoolean(context->Global()->ForceSet(context, v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete))))
return;
// We also stash a reference to the document on the inner global object so that
// LocalDOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
V8HiddenValue::setHiddenValue(m_scriptState.get(), v8::Local<v8::Object>::Cast(context->Global()->GetPrototype()), V8HiddenValue::document(m_isolate), documentWrapper);
}
void WindowProxy::updateDocumentProperty()
{
ScriptState::Scope scope(m_scriptState.get());
v8::Handle<v8::Context> context = m_scriptState->context();
v8::Handle<v8::Value> documentWrapper = toV8(m_frame->document(), context->Global(), context->GetIsolate());
ASSERT(documentWrapper == m_document.newLocal(m_isolate) || m_document.isEmpty());
if (m_document.isEmpty())
updateDocumentWrapper(v8::Handle<v8::Object>::Cast(documentWrapper));
// If instantiation of the document wrapper fails, clear the cache
// and let the LocalDOMWindow accessor handle access to the document.
if (documentWrapper.IsEmpty()) {
clearDocumentProperty();
return;
}
ASSERT(documentWrapper->IsObject());
context->Global()->ForceSet(v8AtomicString(m_isolate, "document"), documentWrapper, static_cast<v8::PropertyAttribute>(v8::ReadOnly | v8::DontDelete));
// We also stash a reference to the document on the inner global object so that
// LocalDOMWindow objects we obtain from JavaScript references are guaranteed to have
// live Document objects.
V8HiddenValue::setHiddenValue(m_isolate, toInnerGlobalObject(context), V8HiddenValue::document(m_isolate), documentWrapper);
}
