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Add implementation for IHtmlElementCollection methods tags() & item() when there is more than one element with the same id. Checkin for atremon. b=236894 r=adamlock sr=jst

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This commit is contained in:
locka%iol.ie 2004-06-14 19:26:47 +00:00
parent 2fccb07c2c
commit 9bb5934aff
2 changed files with 148 additions and 99 deletions
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246
embedding/browser/activex/src/common/IEHtmlElementCollection.cpp
View File

@ -75,6 +75,29 @@ CIEHtmlElementCollection::~CIEHtmlElementCollection()
}
}
HRESULT CIEHtmlElementCollection::FindOrCreateIEElement(nsIDOMNode* pDomNode, CIEHtmlElement** ppIEHtmlElement)
{
CIEHtmlNode *pHtmlNode = NULL;
CIEHtmlElementInstance *pHtmlElement = NULL;
CIEHtmlNode::FindFromDOMNode(pDomNode, &pHtmlNode);
if (!pHtmlNode)
{
CIEHtmlElementInstance::CreateInstance(&pHtmlElement);
if (!pHtmlElement)
{
NS_ASSERTION(0, "Could not create element");
return E_OUTOFMEMORY;
}
pHtmlElement->SetDOMNode(pDomNode);
*ppIEHtmlElement = pHtmlElement;
}
else
{
*ppIEHtmlElement = (CIEHtmlElementInstance *) pHtmlNode;
}
return S_OK;
}
HRESULT CIEHtmlElementCollection::PopulateFromDOMHTMLCollection(nsIDOMHTMLCollection *pNodeList)
{
if (pNodeList == nsnull)
@ -109,27 +132,13 @@ HRESULT CIEHtmlElementCollection::PopulateFromDOMHTMLCollection(nsIDOMHTMLCollec
}
// Create an equivalent IE element
CIEHtmlNode *pHtmlNode = NULL;
CIEHtmlElementInstance *pHtmlElement = NULL;
CIEHtmlElementInstance::FindFromDOMNode(childNode, &pHtmlNode);
if (!pHtmlNode)
{
CIEHtmlElementInstance::CreateInstance(&pHtmlElement);
if (!pHtmlElement)
{
NS_ASSERTION(0, "Could not create element");
return E_OUTOFMEMORY;
}
pHtmlElement->SetDOMNode(childNode);
pHtmlElement->SetParent(mParent);
}
else
{
pHtmlElement = (CIEHtmlElementInstance *) pHtmlNode;
}
CIEHtmlElement *pHtmlElement = NULL;
HRESULT hr = FindOrCreateIEElement(childNode, &pHtmlElement);
if (FAILED(hr))
return hr;
if (pHtmlElement)
{
AddNode(pHtmlElement);
AddNode(pHtmlElement);
}
}
return S_OK;
@ -181,24 +190,10 @@ HRESULT CIEHtmlElementCollection::PopulateFromDOMNode(nsIDOMNode *aDOMNode, BOOL
while (currentNode)
{
// Create an equivalent IE element
CIEHtmlNode *pHtmlNode = NULL;
CIEHtmlElementInstance *pHtmlElement = NULL;
CIEHtmlElementInstance::FindFromDOMNode(currentNode, &pHtmlNode);
if (!pHtmlNode)
{
CIEHtmlElementInstance::CreateInstance(&pHtmlElement);
if (!pHtmlElement)
{
NS_ASSERTION(0, "Could not create element");
return E_OUTOFMEMORY;
}
pHtmlElement->SetDOMNode(currentNode);
pHtmlElement->SetParent(mParent);
}
else
{
pHtmlElement = (CIEHtmlElementInstance *) pHtmlNode;
}
CIEHtmlElement *pHtmlElement = NULL;
HRESULT hr = FindOrCreateIEElement(currentNode, &pHtmlElement);
if (FAILED(hr))
return hr;
if (pHtmlElement)
{
AddNode(pHtmlElement);
@ -448,29 +443,14 @@ HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::get__newEnum(IUnknown __RPC_
}
// Store the element in the array
CIEHtmlNode *pHtmlNode = NULL;
CIEHtmlElementInstance *pHtmlElement = NULL;
CIEHtmlElementInstance::FindFromDOMNode(childNode, &pHtmlNode);
if (!pHtmlNode)
{
CIEHtmlElementInstance::CreateInstance(&pHtmlElement);
if (!pHtmlElement)
{
NS_ASSERTION(0, "Could not create element");
return E_OUTOFMEMORY;
}
pHtmlElement->SetDOMNode(childNode);
pHtmlElement->SetParent(mParent);
}
else
{
pHtmlElement = (CIEHtmlElementInstance *) pHtmlNode;
}
CIEHtmlElement *pHtmlElement = NULL;
HRESULT hr = FindOrCreateIEElement(childNode, &pHtmlElement);
if (FAILED(hr))
return hr;
VARIANT *pVariant = &avObjects[nObject++];
VariantInit(pVariant);
pVariant->vt = VT_UNKNOWN;
pHtmlElement->QueryInterface(IID_IUnknown, (void **) &pVariant->punkVal);
pVariant->vt = VT_DISPATCH;
pHtmlElement->QueryInterface(IID_IDispatch, (void **) &pVariant->pdispVal);
}
}
else
@ -479,11 +459,11 @@ HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::get__newEnum(IUnknown __RPC_
for (nObject = 0; nObject < nObjects; nObject++)
{
VARIANT *pVariant = &avObjects[nObject];
IUnknown *pUnkObject = mNodeList[nObject];
IDispatch *pDispObject = mNodeList[nObject];
VariantInit(pVariant);
pVariant->vt = VT_UNKNOWN;
pVariant->punkVal = pUnkObject;
pUnkObject->AddRef();
pVariant->vt = VT_DISPATCH;
pVariant->pdispVal = pDispObject;
pDispObject->AddRef();
}
}
@ -549,8 +529,11 @@ HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::item(VARIANT name, VARIANT i
return E_INVALIDARG;
}
CIEHtmlElementCollectionInstance* pCollection = NULL;
if (mDOMNodeList)
{
CIEHtmlElement *pHtmlElement = NULL;
// Search for the Nth element in the list
PRUint32 elementCount = 0;
PRUint32 length = 0;
@ -599,60 +582,67 @@ HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::item(VARIANT name, VARIANT i
if (grabThisNode)
{
// TODO for named searches, we should create a collection here
// if index > 0, or
// Return the element
CIEHtmlNode *pHtmlNode = NULL;
CIEHtmlElementInstance *pHtmlElement = NULL;
CIEHtmlElementInstance::FindFromDOMNode(childNode, &pHtmlNode);
if (!pHtmlNode)
if (pHtmlElement)
{
CIEHtmlElementInstance::CreateInstance(&pHtmlElement);
if (!pHtmlElement)
{
NS_ASSERTION(0, "Could not create element");
return E_OUTOFMEMORY;
}
pHtmlElement->SetDOMNode(childNode);
pHtmlElement->SetParent(mParent);
if (pCollection == NULL)
CIEHtmlElementCollectionInstance::CreateInstance(&pCollection);
// Add existing to collection
pCollection->AddNode(pHtmlElement);
}
else
{
pHtmlElement = (CIEHtmlElementInstance *) pHtmlNode;
// Create new element:
HRESULT hr = FindOrCreateIEElement(childNode, &pHtmlElement);
if (FAILED(hr))
return hr;
pHtmlElement->SetParent(mParent);
}
// TODO named searches should carry on searching
pHtmlElement->QueryInterface(IID_IDispatch, (void **) pdisp);
return S_OK;
}
elementCount++;
}
// Index must have been out of range
return E_INVALIDARG;
// Return the element or collection :
if (pCollection != NULL)
{
// Add last created element to collection
pCollection->AddNode(pHtmlElement);
pCollection->QueryInterface(IID_IDispatch, (void **) pdisp);
}
else if (pHtmlElement != NULL)
pHtmlElement->QueryInterface(IID_IDispatch, (void **) pdisp);
}
else
{
if (searchForName)
{
CComPtr<IHTMLElement> element = NULL;
for (PRUint32 i = 0; i < mNodeListCount; i++)
{
CComQIPtr<IHTMLElement> element = mNodeList[i];
if (element.p)
CComQIPtr<IHTMLElement> currElement = mNodeList[i];
if (currElement.p)
{
CComVariant elementName;
CComBSTR elementId;
element->get_id(&elementId);
element->getAttribute(L"name", 0, &elementName);
currElement->get_id(&elementId);
currElement->getAttribute(L"name", 0, &elementName);
if ((elementId && wcscmp(elementId, name.bstrVal) == 0) ||
(elementName.vt == VT_BSTR && elementName.bstrVal &&
wcscmp(elementName.bstrVal, name.bstrVal) == 0))
wcscmp(elementName.bstrVal, name.bstrVal) == 0))
{
element->QueryInterface(IID_IDispatch, (void **) pdisp);
break;
if (element != NULL)
{
if (!pCollection)
CIEHtmlElementCollectionInstance::CreateInstance(&pCollection);
pCollection->AddNode(element);
}
element = currElement;
}
}
}
// Return the element or collection :
if (pCollection != NULL)
{
pCollection->AddNode(element);
pCollection->QueryInterface(IID_IDispatch, (void **) pdisp);
}
else if (element != NULL)
element->QueryInterface(IID_IDispatch, (void **) pdisp);
}
else
{
@ -679,16 +669,74 @@ HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::item(VARIANT name, VARIANT i
HRESULT STDMETHODCALLTYPE CIEHtmlElementCollection::tags(VARIANT tagName, IDispatch __RPC_FAR *__RPC_FAR *pdisp)
{
if (pdisp == NULL)
if (pdisp == NULL || tagName.vt != VT_BSTR)
{
return E_INVALIDARG;
}
*pdisp = NULL;
// TODO
// iterate through collection looking for elements with matching tags
CIEHtmlElementCollectionInstance* pCollection = NULL;
CIEHtmlElementCollectionInstance::CreateInstance(&pCollection);
if (mNodeList)
{
for (PRUint32 i = 0; i < mNodeListCount; i++)
{
CComQIPtr<IHTMLElement> element = mNodeList[i];
if (element.p)
{
CComBSTR elementTagName;
element->get_tagName(&elementTagName);
if (elementTagName && _wcsicmp(elementTagName, tagName.bstrVal) == 0)
pCollection->AddNode(element);
}
}
pCollection->QueryInterface(IID_IDispatch, (void**)pdisp);
return S_OK;
}
else if (mDOMNodeList)
{
PRUint32 length = 0;
mDOMNodeList->GetLength(&length);
for (PRUint32 i = 0; i < length; i++)
{
// Get the next item from the list
nsCOMPtr<nsIDOMNode> childNode;
mDOMNodeList->Item(i, getter_AddRefs(childNode));
if (!childNode)
{
// Empty node (unexpected, but try and carry on anyway)
NS_ASSERTION(0, "Could not get node");
continue;
}
// Skip nodes representing, text, attributes etc.
nsCOMPtr<nsIDOMElement> nodeAsElement = do_QueryInterface(childNode);
if (!nodeAsElement)
{
continue;
}
return E_NOTIMPL;
nsCOMPtr<nsIDOMHTMLElement> nodeAsHtmlElement = do_QueryInterface(childNode);
if (nodeAsHtmlElement)
{
nsAutoString elementTagName;
nodeAsHtmlElement->GetTagName(elementTagName);
if (_wcsicmp(elementTagName.get(), OLE2CW(tagName.bstrVal)) == 0)
{
//Create the element :
CIEHtmlElement *pHtmlElement = NULL;
HRESULT hr = FindOrCreateIEElement(childNode, &pHtmlElement);
if (FAILED(hr))
return hr;
//Add to collection :
pCollection->AddNode(pHtmlElement);
}
}
}
pCollection->QueryInterface(IID_IDispatch, (void**)pdisp);
return S_OK;
}
return E_UNEXPECTED;
}

1
embedding/browser/activex/src/common/IEHtmlElementCollection.h
View File

@ -62,6 +62,7 @@ public:
protected:
virtual ~CIEHtmlElementCollection();
virtual HRESULT FindOrCreateIEElement(nsIDOMNode* pDomNode, CIEHtmlElement** ppIEHtmlElement);
public:
// Adds a node to the collection