зеркало из https://github.com/mozilla/pjs.git
More XBL work.
This commit is contained in:
hyatt%netscape.com
Родитель
f7f7d21108
Коммит
ec05063f56
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@ -16,6 +16,8 @@
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#include "nsIXMLContentSink.h"
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#include "nsLayoutCID.h"
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#include "nsXMLDocument.h"
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#include "nsIDOMElement.h"
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#include "nsSupportsArray.h"
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#include "nsIXBLBinding.h"
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@ -43,13 +45,36 @@ public:
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nsXBLBinding();
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virtual ~nsXBLBinding();
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// Static members
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static PRUint32 gRefCnt;
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static nsIAtom* nsXBLBinding::kContentAtom;
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static nsIAtom* nsXBLBinding::kInterfaceAtom;
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static nsIAtom* nsXBLBinding::kHandlersAtom;
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static nsIAtom* nsXBLBinding::kExcludesAtom;
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static nsIAtom* nsXBLBinding::kInheritsAtom;
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// Internal member functions
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protected:
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void GetImmediateChild(nsIAtom* aTag, nsIContent** aResult);
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void BuildExcludesList(nsISupportsArray** aResult);
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PRBool IsInExcludesArray(nsIAtom* aTag);
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// MEMBER VARIABLES
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protected:
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nsCOMPtr<nsIContent> binding; // Strong. As long as we're around, the binding can't go away.
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nsCOMPtr<nsIContent> content; // Strong. Our anonymous content stays around with us.
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nsCOMPtr<nsIXBLBinding> nextBinding; // Strong. The derived binding owns the base class bindings.
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nsCOMPtr<nsIContent> mBinding; // Strong. As long as we're around, the binding can't go away.
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nsCOMPtr<nsIContent> mContent; // Strong. Our anonymous content stays around with us.
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nsCOMPtr<nsIXBLBinding> mNextBinding; // Strong. The derived binding owns the base class bindings.
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};
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// Static initialization
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PRUint32 nsXBLBinding::gRefCnt = 0;
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nsIAtom* nsXBLBinding::kContentAtom = nsnull;
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nsIAtom* nsXBLBinding::kInterfaceAtom = nsnull;
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nsIAtom* nsXBLBinding::kHandlersAtom = nsnull;
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nsIAtom* nsXBLBinding::kExcludesAtom = nsnull;
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nsIAtom* nsXBLBinding::kInheritsAtom = nsnull;
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// Implementation /////////////////////////////////////////////////////////////////
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@ -60,10 +85,26 @@ NS_IMPL_ISUPPORTS1(nsXBLBinding, nsIXBLBinding)
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nsXBLBinding::nsXBLBinding(void)
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{
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NS_INIT_REFCNT();
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gRefCnt++;
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if (gRefCnt == 1) {
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kContentAtom = NS_NewAtom("content");
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kInterfaceAtom = NS_NewAtom("interface");
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kHandlersAtom = NS_NewAtom("handlers");
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kExcludesAtom = NS_NewAtom("excludes");
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kInheritsAtom = NS_NewAtom("inherits");
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}
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}
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nsXBLBinding::~nsXBLBinding(void)
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{
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gRefCnt--;
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if (gRefCnt == 0) {
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NS_RELEASE(kContentAtom);
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NS_RELEASE(kInterfaceAtom);
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NS_RELEASE(kHandlersAtom);
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NS_RELEASE(kExcludesAtom);
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NS_RELEASE(kInheritsAtom);
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}
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}
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// nsIXBLBinding Interface ////////////////////////////////////////////////////////////////
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@ -71,7 +112,7 @@ nsXBLBinding::~nsXBLBinding(void)
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NS_IMETHODIMP
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nsXBLBinding::GetBaseBinding(nsIXBLBinding** aResult)
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{
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*aResult = nextBinding;
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*aResult = mNextBinding;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -79,14 +120,14 @@ nsXBLBinding::GetBaseBinding(nsIXBLBinding** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetBaseBinding(nsIXBLBinding* aBinding)
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{
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nextBinding = aBinding; // Comptr handles rel/add
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mNextBinding = aBinding; // Comptr handles rel/add
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GetAnonymousContent(nsIContent** aResult)
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{
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*aResult = content;
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*aResult = mContent;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -94,14 +135,14 @@ nsXBLBinding::GetAnonymousContent(nsIContent** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetAnonymousContent(nsIContent* aParent)
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{
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content = aParent;
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mContent = aParent;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GetBindingElement(nsIContent** aResult)
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{
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*aResult = binding;
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*aResult = mBinding;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -109,13 +150,72 @@ nsXBLBinding::GetBindingElement(nsIContent** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetBindingElement(nsIContent* aElement)
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{
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binding = aElement;
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mBinding = aElement;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GenerateAnonymousContent(nsIContent* aBoundElement)
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{
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// Fetch the content element for this binding.
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nsCOMPtr<nsIContent> content;
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GetImmediateChild(kContentAtom, getter_AddRefs(content));
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if (!content) {
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// We have no anonymous content.
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if (mNextBinding)
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return mNextBinding->GenerateAnonymousContent(aBoundElement);
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else return NS_OK;
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}
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// Plan to build the content by default.
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PRBool buildContent = PR_TRUE;
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PRInt32 childCount;
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aBoundElement->ChildCount(childCount);
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if (childCount > 0) {
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// See if there's an excludes attribute.
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// We'll only build content if all the explicit children are
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// in the excludes list.
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nsAutoString excludes;
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content->GetAttribute(kNameSpaceID_None, kExcludesAtom, excludes);
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if (excludes == "true") {
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// Build the excludes list.
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nsCOMPtr<nsISupportsArray> atoms;
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BuildExcludesList(getter_AddRefs(atoms));
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if (!atoms)
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buildContent = PR_FALSE;
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else {
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// Walk the children and ensure that all of them
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// are in the excludes array.
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for (PRInt32 i = 0; i < childCount; i++) {
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nsCOMPtr<nsIContent> child;
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aBoundElement->ChildAt(i, *getter_AddRefs(child));
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nsCOMPtr<nsIAtom> tag;
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child->GetTag(*getter_AddRefs(tag));
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if (!IsInExcludesArray(tag)) {
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buildContent = PR_FALSE;
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break;
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}
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}
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}
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}
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else buildContent = PR_FALSE;
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}
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if (buildContent) {
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nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(content);
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nsCOMPtr<nsIDOMNode> clonedNode;
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domElement->CloneNode(PR_TRUE, getter_AddRefs(clonedNode));
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nsCOMPtr<nsIContent> clonedContent = do_QueryInterface(clonedNode);
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SetAnonymousContent(clonedContent);
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}
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if (mNextBinding) {
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return mNextBinding->GenerateAnonymousContent(aBoundElement);
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}
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return NS_OK;
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}
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@ -126,6 +226,27 @@ nsXBLBinding::InstallEventHandlers(nsIContent* aBoundElement)
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return NS_OK;
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}
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// Internal helper methods ////////////////////////////////////////////////////////////////
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void
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nsXBLBinding::GetImmediateChild(nsIAtom* aTag, nsIContent** aResult)
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{
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// XXX Implement me!
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}
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void
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nsXBLBinding::BuildExcludesList(nsISupportsArray** aResult)
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{
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// XXX Implement me!
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}
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PRBool
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nsXBLBinding::IsInExcludesArray(nsIAtom* aTag)
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{
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// XXX Implement me!
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return PR_FALSE;
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}
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// Creation Routine ///////////////////////////////////////////////////////////////////////
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nsresult
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@ -16,6 +16,8 @@
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#include "nsIXMLContentSink.h"
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#include "nsLayoutCID.h"
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#include "nsXMLDocument.h"
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#include "nsIDOMElement.h"
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#include "nsSupportsArray.h"
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#include "nsIXBLBinding.h"
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@ -43,13 +45,36 @@ public:
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nsXBLBinding();
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virtual ~nsXBLBinding();
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// Static members
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static PRUint32 gRefCnt;
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static nsIAtom* nsXBLBinding::kContentAtom;
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static nsIAtom* nsXBLBinding::kInterfaceAtom;
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static nsIAtom* nsXBLBinding::kHandlersAtom;
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static nsIAtom* nsXBLBinding::kExcludesAtom;
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static nsIAtom* nsXBLBinding::kInheritsAtom;
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// Internal member functions
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protected:
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void GetImmediateChild(nsIAtom* aTag, nsIContent** aResult);
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void BuildExcludesList(nsISupportsArray** aResult);
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PRBool IsInExcludesArray(nsIAtom* aTag);
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// MEMBER VARIABLES
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protected:
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nsCOMPtr<nsIContent> binding; // Strong. As long as we're around, the binding can't go away.
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nsCOMPtr<nsIContent> content; // Strong. Our anonymous content stays around with us.
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nsCOMPtr<nsIXBLBinding> nextBinding; // Strong. The derived binding owns the base class bindings.
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nsCOMPtr<nsIContent> mBinding; // Strong. As long as we're around, the binding can't go away.
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nsCOMPtr<nsIContent> mContent; // Strong. Our anonymous content stays around with us.
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nsCOMPtr<nsIXBLBinding> mNextBinding; // Strong. The derived binding owns the base class bindings.
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};
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// Static initialization
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PRUint32 nsXBLBinding::gRefCnt = 0;
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nsIAtom* nsXBLBinding::kContentAtom = nsnull;
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nsIAtom* nsXBLBinding::kInterfaceAtom = nsnull;
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nsIAtom* nsXBLBinding::kHandlersAtom = nsnull;
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nsIAtom* nsXBLBinding::kExcludesAtom = nsnull;
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nsIAtom* nsXBLBinding::kInheritsAtom = nsnull;
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// Implementation /////////////////////////////////////////////////////////////////
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@ -60,10 +85,26 @@ NS_IMPL_ISUPPORTS1(nsXBLBinding, nsIXBLBinding)
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nsXBLBinding::nsXBLBinding(void)
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{
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NS_INIT_REFCNT();
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gRefCnt++;
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if (gRefCnt == 1) {
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kContentAtom = NS_NewAtom("content");
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kInterfaceAtom = NS_NewAtom("interface");
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kHandlersAtom = NS_NewAtom("handlers");
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kExcludesAtom = NS_NewAtom("excludes");
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kInheritsAtom = NS_NewAtom("inherits");
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}
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}
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nsXBLBinding::~nsXBLBinding(void)
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{
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gRefCnt--;
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if (gRefCnt == 0) {
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NS_RELEASE(kContentAtom);
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NS_RELEASE(kInterfaceAtom);
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NS_RELEASE(kHandlersAtom);
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NS_RELEASE(kExcludesAtom);
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NS_RELEASE(kInheritsAtom);
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}
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}
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// nsIXBLBinding Interface ////////////////////////////////////////////////////////////////
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@ -71,7 +112,7 @@ nsXBLBinding::~nsXBLBinding(void)
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NS_IMETHODIMP
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nsXBLBinding::GetBaseBinding(nsIXBLBinding** aResult)
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{
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*aResult = nextBinding;
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*aResult = mNextBinding;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -79,14 +120,14 @@ nsXBLBinding::GetBaseBinding(nsIXBLBinding** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetBaseBinding(nsIXBLBinding* aBinding)
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{
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nextBinding = aBinding; // Comptr handles rel/add
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mNextBinding = aBinding; // Comptr handles rel/add
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GetAnonymousContent(nsIContent** aResult)
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{
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*aResult = content;
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*aResult = mContent;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -94,14 +135,14 @@ nsXBLBinding::GetAnonymousContent(nsIContent** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetAnonymousContent(nsIContent* aParent)
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{
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content = aParent;
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mContent = aParent;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GetBindingElement(nsIContent** aResult)
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{
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*aResult = binding;
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*aResult = mBinding;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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@ -109,13 +150,72 @@ nsXBLBinding::GetBindingElement(nsIContent** aResult)
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NS_IMETHODIMP
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nsXBLBinding::SetBindingElement(nsIContent* aElement)
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{
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binding = aElement;
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mBinding = aElement;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::GenerateAnonymousContent(nsIContent* aBoundElement)
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{
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// Fetch the content element for this binding.
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nsCOMPtr<nsIContent> content;
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GetImmediateChild(kContentAtom, getter_AddRefs(content));
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if (!content) {
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// We have no anonymous content.
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if (mNextBinding)
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return mNextBinding->GenerateAnonymousContent(aBoundElement);
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else return NS_OK;
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}
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// Plan to build the content by default.
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PRBool buildContent = PR_TRUE;
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PRInt32 childCount;
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aBoundElement->ChildCount(childCount);
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if (childCount > 0) {
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// See if there's an excludes attribute.
|
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// We'll only build content if all the explicit children are
|
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// in the excludes list.
|
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nsAutoString excludes;
|
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content->GetAttribute(kNameSpaceID_None, kExcludesAtom, excludes);
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if (excludes == "true") {
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// Build the excludes list.
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nsCOMPtr<nsISupportsArray> atoms;
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BuildExcludesList(getter_AddRefs(atoms));
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if (!atoms)
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buildContent = PR_FALSE;
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else {
|
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// Walk the children and ensure that all of them
|
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// are in the excludes array.
|
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for (PRInt32 i = 0; i < childCount; i++) {
|
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nsCOMPtr<nsIContent> child;
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aBoundElement->ChildAt(i, *getter_AddRefs(child));
|
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nsCOMPtr<nsIAtom> tag;
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child->GetTag(*getter_AddRefs(tag));
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if (!IsInExcludesArray(tag)) {
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buildContent = PR_FALSE;
|
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break;
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}
|
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}
|
||||
}
|
||||
}
|
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else buildContent = PR_FALSE;
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}
|
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|
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if (buildContent) {
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nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(content);
|
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nsCOMPtr<nsIDOMNode> clonedNode;
|
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domElement->CloneNode(PR_TRUE, getter_AddRefs(clonedNode));
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|
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nsCOMPtr<nsIContent> clonedContent = do_QueryInterface(clonedNode);
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SetAnonymousContent(clonedContent);
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}
|
||||
|
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if (mNextBinding) {
|
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return mNextBinding->GenerateAnonymousContent(aBoundElement);
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
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|
||||
|
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@ -126,6 +226,27 @@ nsXBLBinding::InstallEventHandlers(nsIContent* aBoundElement)
|
|||
return NS_OK;
|
||||
}
|
||||
|
||||
// Internal helper methods ////////////////////////////////////////////////////////////////
|
||||
|
||||
void
|
||||
nsXBLBinding::GetImmediateChild(nsIAtom* aTag, nsIContent** aResult)
|
||||
{
|
||||
// XXX Implement me!
|
||||
}
|
||||
|
||||
void
|
||||
nsXBLBinding::BuildExcludesList(nsISupportsArray** aResult)
|
||||
{
|
||||
// XXX Implement me!
|
||||
}
|
||||
|
||||
PRBool
|
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nsXBLBinding::IsInExcludesArray(nsIAtom* aTag)
|
||||
{
|
||||
// XXX Implement me!
|
||||
return PR_FALSE;
|
||||
}
|
||||
|
||||
// Creation Routine ///////////////////////////////////////////////////////////////////////
|
||||
|
||||
nsresult
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|
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