/**
* Loads the GraphEditorModule and constructs a GraphEditor as a child of this widget.
*
* @param InArgs Declaration params from which to construct the widget.
*/
void SGraphEditor::Construct( const FArguments& InArgs )
{
EdGraphObj = InArgs._GraphToEdit;
OnGraphModuleReloadedCallback = InArgs._OnGraphModuleReloaded;
// Register this widget with the module so that we can gracefully handle the module being unloaded.
// See OnModuleUnloading()
RegisterGraphEditor( SharedThis(this) );
// Register a graph modified handler
if (EdGraphObj != NULL)
{
EdGraphObj->AddOnGraphChangedHandler( FOnGraphChanged::FDelegate::CreateSP( this, &SGraphEditor::OnGraphChanged ) );
}
// Make the actual GraphEditor instance
ConstructImplementation(InArgs);
}
PRBool
nsXBLContentSink::OnOpenContainer(const PRUnichar **aAtts,
PRUint32 aAttsCount,
PRInt32 aNameSpaceID,
nsIAtom* aTagName,
PRUint32 aLineNumber)
{
if (mState == eXBL_Error) {
return PR_TRUE;
}
if (aNameSpaceID != kNameSpaceID_XBL) {
// Construct non-XBL nodes
return PR_TRUE;
}
PRBool ret = PR_TRUE;
if (aTagName == nsGkAtoms::bindings) {
ENSURE_XBL_STATE(mState == eXBL_InDocument);
NS_NewXBLDocumentInfo(mDocument, &mDocInfo);
if (!mDocInfo) {
mState = eXBL_Error;
return PR_TRUE;
}
mDocument->BindingManager()->PutXBLDocumentInfo(mDocInfo);
nsIURI *uri = mDocument->GetDocumentURI();
PRBool isChrome = PR_FALSE;
PRBool isRes = PR_FALSE;
uri->SchemeIs("chrome", &isChrome);
uri->SchemeIs("resource", &isRes);
mIsChromeOrResource = isChrome || isRes;
nsIXBLDocumentInfo* info = mDocInfo;
NS_RELEASE(info); // We keep a weak ref. We've created a cycle between doc/binding manager/doc info.
mState = eXBL_InBindings;
}
else if (aTagName == nsGkAtoms::binding) {
ENSURE_XBL_STATE(mState == eXBL_InBindings);
mState = eXBL_InBinding;
}
else if (aTagName == nsGkAtoms::handlers) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InHandlers;
ret = PR_FALSE;
}
else if (aTagName == nsGkAtoms::handler) {
ENSURE_XBL_STATE(mState == eXBL_InHandlers);
mSecondaryState = eXBL_InHandler;
ConstructHandler(aAtts, aLineNumber);
ret = PR_FALSE;
}
else if (aTagName == nsGkAtoms::resources) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InResources;
// Note that this mState will cause us to return false, so no need
// to set ret to false.
}
else if (aTagName == nsGkAtoms::stylesheet || aTagName == nsGkAtoms::image) {
ENSURE_XBL_STATE(mState == eXBL_InResources);
NS_ASSERTION(mBinding, "Must have binding here");
ConstructResource(aAtts, aTagName);
}
else if (aTagName == nsGkAtoms::implementation) {
ENSURE_XBL_STATE(mState == eXBL_InBinding && mBinding);
mState = eXBL_InImplementation;
ConstructImplementation(aAtts);
// Note that this mState will cause us to return false, so no need
// to set ret to false.
}
else if (aTagName == nsGkAtoms::constructor) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InConstructor;
nsXBLProtoImplAnonymousMethod* newMethod =
new nsXBLProtoImplAnonymousMethod();
if (newMethod) {
newMethod->SetLineNumber(aLineNumber);
mBinding->SetConstructor(newMethod);
AddMember(newMethod);
}
}
else if (aTagName == nsGkAtoms::destructor) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InDestructor;
nsXBLProtoImplAnonymousMethod* newMethod =
new nsXBLProtoImplAnonymousMethod();
if (newMethod) {
newMethod->SetLineNumber(aLineNumber);
mBinding->SetDestructor(newMethod);
AddMember(newMethod);
}
}
else if (aTagName == nsGkAtoms::field) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InField;
ConstructField(aAtts, aLineNumber);
}
else if (aTagName == nsGkAtoms::property) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InProperty;
ConstructProperty(aAtts);
}
else if (aTagName == nsGkAtoms::getter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
mProperty->SetGetterLineNumber(aLineNumber);
mSecondaryState = eXBL_InGetter;
}
else if (aTagName == nsGkAtoms::setter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InProperty && mProperty);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
mProperty->SetSetterLineNumber(aLineNumber);
mSecondaryState = eXBL_InSetter;
}
else if (aTagName == nsGkAtoms::method) {
ENSURE_XBL_STATE(mState == eXBL_InImplementation &&
mSecondaryState == eXBL_None);
NS_ASSERTION(mBinding, "Must have binding here");
mSecondaryState = eXBL_InMethod;
ConstructMethod(aAtts);
}
else if (aTagName == nsGkAtoms::parameter) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
ConstructParameter(aAtts);
}
else if (aTagName == nsGkAtoms::body) {
ENSURE_XBL_STATE(mSecondaryState == eXBL_InMethod && mMethod);
NS_ASSERTION(mState == eXBL_InImplementation, "Unexpected state");
// stash away the line number
mMethod->SetLineNumber(aLineNumber);
mSecondaryState = eXBL_InBody;
}
return ret && mState != eXBL_InResources && mState != eXBL_InImplementation;
}
