2000-01-13 02:23:54 +00:00
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#include "nsCOMPtr.h"
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#include "nsIXBLBinding.h"
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#include "nsIInputStream.h"
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#include "nsINameSpaceManager.h"
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#include "nsHashtable.h"
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#include "nsIURI.h"
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#include "nsIURL.h"
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2000-01-26 11:43:31 +00:00
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#include "nsIDOMEventReceiver.h"
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2000-01-13 02:23:54 +00:00
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#include "nsIChannel.h"
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#include "nsXPIDLString.h"
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#include "nsIParser.h"
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#include "nsParserCIID.h"
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#include "nsNetUtil.h"
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#include "plstr.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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2000-03-11 10:36:39 +00:00
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#include "nsIXMLContent.h"
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2000-01-13 02:23:54 +00:00
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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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2000-01-13 09:21:09 +00:00
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#include "nsIDOMElement.h"
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#include "nsSupportsArray.h"
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2000-03-11 10:36:39 +00:00
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#include "nsINameSpace.h"
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2000-01-13 02:23:54 +00:00
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2000-01-26 11:43:31 +00:00
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// Event listeners
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMMouseMotionListener.h"
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#include "nsIDOMLoadListener.h"
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#include "nsIDOMFocusListener.h"
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#include "nsIDOMPaintListener.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMFormListener.h"
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#include "nsIDOMMenuListener.h"
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#include "nsIDOMDragListener.h"
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2000-03-11 10:36:39 +00:00
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#include "nsIDOMAttr.h"
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#include "nsIDOMNamedNodeMap.h"
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2000-01-26 11:43:31 +00:00
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#include "nsXBLEventHandler.h"
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2000-01-13 02:23:54 +00:00
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#include "nsIXBLBinding.h"
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// Static IIDs/CIDs. Try to minimize these.
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2000-03-11 10:36:39 +00:00
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static char kNameSpaceSeparator = ':';
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2000-01-13 02:23:54 +00:00
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2000-01-25 06:35:27 +00:00
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// Helper classes
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// {A2892B81-CED9-11d3-97FB-00400553EEF0}
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#define NS_IXBLATTR_IID \
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{ 0xa2892b81, 0xced9, 0x11d3, { 0x97, 0xfb, 0x0, 0x40, 0x5, 0x53, 0xee, 0xf0 } }
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class nsIXBLAttributeEntry : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IXBLATTR_IID; return iid; }
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NS_IMETHOD GetAttribute(nsIAtom** aResult) = 0;
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NS_IMETHOD GetElement(nsIContent** aResult) = 0;
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};
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class nsXBLAttributeEntry : public nsIXBLAttributeEntry {
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public:
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NS_IMETHOD GetAttribute(nsIAtom** aResult) { *aResult = mAttribute; NS_IF_ADDREF(*aResult); return NS_OK; };
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NS_IMETHOD GetElement(nsIContent** aResult) { *aResult = mElement; NS_IF_ADDREF(*aResult); return NS_OK; };
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nsCOMPtr<nsIContent> mElement;
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nsCOMPtr<nsIAtom> mAttribute;
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nsXBLAttributeEntry(nsIAtom* aAtom, nsIContent* aContent) {
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NS_INIT_REFCNT(); mAttribute = aAtom; mElement = aContent;
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};
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virtual ~nsXBLAttributeEntry() {};
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NS_DECL_ISUPPORTS
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};
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NS_IMPL_ISUPPORTS1(nsXBLAttributeEntry, nsIXBLAttributeEntry)
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2000-01-13 02:23:54 +00:00
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class nsXBLBinding: public nsIXBLBinding
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{
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NS_DECL_ISUPPORTS
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NS_IMETHOD GetBaseBinding(nsIXBLBinding** aResult);
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NS_IMETHOD SetBaseBinding(nsIXBLBinding* aBinding);
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NS_IMETHOD GetAnonymousContent(nsIContent** aParent);
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NS_IMETHOD SetAnonymousContent(nsIContent* aParent);
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NS_IMETHOD GetBindingElement(nsIContent** aResult);
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NS_IMETHOD SetBindingElement(nsIContent* aElement);
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2000-01-13 08:54:16 +00:00
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NS_IMETHOD GenerateAnonymousContent(nsIContent* aBoundElement);
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NS_IMETHOD InstallEventHandlers(nsIContent* aBoundElement);
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2000-03-11 10:36:39 +00:00
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NS_IMETHOD GetBaseTag(nsIAtom** aResult);
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2000-01-25 06:35:27 +00:00
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NS_IMETHOD AttributeChanged(nsIAtom* aAttribute, PRInt32 aNameSpaceID, PRBool aRemoveFlag);
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2000-01-13 02:23:54 +00:00
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public:
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nsXBLBinding();
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virtual ~nsXBLBinding();
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2000-01-13 09:21:09 +00:00
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// Static members
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static PRUint32 gRefCnt;
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2000-01-13 10:58:18 +00:00
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static nsIAtom* kContentAtom;
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static nsIAtom* kInterfaceAtom;
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static nsIAtom* kHandlersAtom;
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static nsIAtom* kExcludesAtom;
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static nsIAtom* kInheritsAtom;
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2000-01-26 11:43:31 +00:00
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static nsIAtom* kTypeAtom;
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static nsIAtom* kCapturerAtom;
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static nsIAtom* kExtendsAtom;
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2000-01-26 11:43:31 +00:00
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// Used to easily obtain the correct IID for an event.
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struct EventHandlerMapEntry {
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const char* mAttributeName;
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nsIAtom* mAttributeAtom;
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const nsIID* mHandlerIID;
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};
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static EventHandlerMapEntry kEventHandlerMap[];
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2000-01-13 09:21:09 +00:00
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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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2000-01-13 09:43:42 +00:00
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PRBool IsInExcludesList(nsIAtom* aTag, const nsString& aList);
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2000-01-13 09:21:09 +00:00
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2000-01-25 06:35:27 +00:00
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NS_IMETHOD ConstructAttributeTable(nsIContent* aElement);
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2000-01-26 11:43:31 +00:00
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PRBool IsMouseHandler(const nsString& aName);
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PRBool IsKeyHandler(const nsString& aName);
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2000-02-25 08:37:49 +00:00
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PRBool IsXULHandler(const nsString& aName);
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2000-01-26 11:43:31 +00:00
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static void GetEventHandlerIID(nsIAtom* aName, nsIID* aIID, PRBool* aFound);
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2000-01-13 02:23:54 +00:00
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// MEMBER VARIABLES
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protected:
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2000-01-13 09:21:09 +00:00
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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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2000-01-13 09:43:42 +00:00
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nsIContent* mBoundElement; // [WEAK] We have a reference, but we don't own it.
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2000-01-25 06:35:27 +00:00
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nsSupportsHashtable* mAttributeTable; // A table for attribute entries.
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2000-01-13 02:23:54 +00:00
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};
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2000-01-13 09:21:09 +00:00
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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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2000-01-26 11:43:31 +00:00
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nsIAtom* nsXBLBinding::kTypeAtom = nsnull;
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nsIAtom* nsXBLBinding::kCapturerAtom = nsnull;
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2000-03-11 10:36:39 +00:00
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nsIAtom* nsXBLBinding::kExtendsAtom = nsnull;
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2000-01-26 11:43:31 +00:00
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nsXBLBinding::EventHandlerMapEntry
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nsXBLBinding::kEventHandlerMap[] = {
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{ "click", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "dblclick", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "mousedown", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "mouseup", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "mouseover", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "mouseout", nsnull, &NS_GET_IID(nsIDOMMouseListener) },
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{ "mousemove", nsnull, &NS_GET_IID(nsIDOMMouseMotionListener) },
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{ "keydown", nsnull, &NS_GET_IID(nsIDOMKeyListener) },
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{ "keyup", nsnull, &NS_GET_IID(nsIDOMKeyListener) },
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{ "keypress", nsnull, &NS_GET_IID(nsIDOMKeyListener) },
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{ "load", nsnull, &NS_GET_IID(nsIDOMLoadListener) },
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{ "unload", nsnull, &NS_GET_IID(nsIDOMLoadListener) },
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{ "abort", nsnull, &NS_GET_IID(nsIDOMLoadListener) },
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{ "error", nsnull, &NS_GET_IID(nsIDOMLoadListener) },
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{ "create", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "close", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "destroy", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "command", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "broadcast", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "commandupdate", nsnull, &NS_GET_IID(nsIDOMMenuListener) },
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{ "focus", nsnull, &NS_GET_IID(nsIDOMFocusListener) },
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{ "blur", nsnull, &NS_GET_IID(nsIDOMFocusListener) },
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{ "submit", nsnull, &NS_GET_IID(nsIDOMFormListener) },
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{ "reset", nsnull, &NS_GET_IID(nsIDOMFormListener) },
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{ "change", nsnull, &NS_GET_IID(nsIDOMFormListener) },
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{ "select", nsnull, &NS_GET_IID(nsIDOMFormListener) },
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{ "input", nsnull, &NS_GET_IID(nsIDOMFormListener) },
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{ "paint", nsnull, &NS_GET_IID(nsIDOMPaintListener) },
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{ "dragenter", nsnull, &NS_GET_IID(nsIDOMDragListener) },
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{ "dragover", nsnull, &NS_GET_IID(nsIDOMDragListener) },
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{ "dragexit", nsnull, &NS_GET_IID(nsIDOMDragListener) },
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{ "dragdrop", nsnull, &NS_GET_IID(nsIDOMDragListener) },
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{ "draggesture", nsnull, &NS_GET_IID(nsIDOMDragListener) },
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{ nsnull, nsnull, nsnull }
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};
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2000-01-13 02:23:54 +00:00
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// Implementation /////////////////////////////////////////////////////////////////
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// Implement our nsISupports methods
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NS_IMPL_ISUPPORTS1(nsXBLBinding, nsIXBLBinding)
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// Constructors/Destructors
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nsXBLBinding::nsXBLBinding(void)
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2000-01-25 06:35:27 +00:00
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:mAttributeTable(nsnull)
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2000-01-13 02:23:54 +00:00
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{
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NS_INIT_REFCNT();
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2000-01-13 09:21:09 +00:00
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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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2000-01-26 11:43:31 +00:00
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kTypeAtom = NS_NewAtom("type");
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kCapturerAtom = NS_NewAtom("capturer");
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2000-03-11 10:36:39 +00:00
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kExtendsAtom = NS_NewAtom("extends");
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2000-01-27 07:49:50 +00:00
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EventHandlerMapEntry* entry = kEventHandlerMap;
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while (entry->mAttributeName) {
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2000-01-27 11:19:09 +00:00
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entry->mAttributeAtom = NS_NewAtom(entry->mAttributeName);
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++entry;
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2000-01-27 07:49:50 +00:00
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}
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2000-01-13 09:21:09 +00:00
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}
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2000-01-13 02:23:54 +00:00
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}
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nsXBLBinding::~nsXBLBinding(void)
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{
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2000-01-27 10:37:52 +00:00
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delete mAttributeTable;
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2000-01-13 09:21:09 +00:00
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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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2000-01-26 11:43:31 +00:00
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NS_RELEASE(kTypeAtom);
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NS_RELEASE(kCapturerAtom);
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2000-03-11 10:36:39 +00:00
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NS_RELEASE(kExtendsAtom);
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2000-01-27 11:19:09 +00:00
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EventHandlerMapEntry* entry = kEventHandlerMap;
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while (entry->mAttributeName) {
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NS_IF_RELEASE(entry->mAttributeAtom);
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++entry;
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}
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2000-01-13 09:21:09 +00:00
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}
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2000-01-13 02:23:54 +00:00
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}
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// nsIXBLBinding Interface ////////////////////////////////////////////////////////////////
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NS_IMETHODIMP
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nsXBLBinding::GetBaseBinding(nsIXBLBinding** aResult)
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{
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2000-01-13 09:21:09 +00:00
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*aResult = mNextBinding;
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2000-01-13 02:23:54 +00:00
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::SetBaseBinding(nsIXBLBinding* aBinding)
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{
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2000-01-13 09:21:09 +00:00
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mNextBinding = aBinding; // Comptr handles rel/add
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2000-01-13 02:23:54 +00:00
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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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2000-01-13 09:21:09 +00:00
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*aResult = mContent;
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2000-01-13 02:23:54 +00:00
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXBLBinding::SetAnonymousContent(nsIContent* aParent)
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{
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2000-01-13 09:43:42 +00:00
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// First cache the element.
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2000-01-13 09:21:09 +00:00
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mContent = aParent;
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2000-01-13 09:43:42 +00:00
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// Now we need to ensure two things.
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// (1) The anonymous content should be fooled into thinking it's in the bound
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// element's document.
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nsCOMPtr<nsIDocument> doc;
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mBoundElement->GetDocument(*getter_AddRefs(doc));
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mContent->SetDocument(doc, PR_TRUE);
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// (2) The children's parent back pointer should not be to this synthetic root
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// but should instead point to the bound element.
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|
|
|
PRInt32 childCount;
|
|
|
|
mContent->ChildCount(childCount);
|
|
|
|
for (PRInt32 i = 0; i < childCount; i++) {
|
|
|
|
nsCOMPtr<nsIContent> child;
|
|
|
|
mContent->ChildAt(i, *getter_AddRefs(child));
|
|
|
|
child->SetParent(mBoundElement);
|
|
|
|
}
|
|
|
|
|
2000-01-25 06:35:27 +00:00
|
|
|
// (3) We need to insert entries into our attribute table for any elements
|
|
|
|
// that are inheriting attributes. This table allows us to quickly determine
|
|
|
|
// which elements in our anonymous content need to be updated when attributes change.
|
|
|
|
ConstructAttributeTable(aParent);
|
|
|
|
|
2000-01-13 02:23:54 +00:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::GetBindingElement(nsIContent** aResult)
|
|
|
|
{
|
2000-01-13 09:21:09 +00:00
|
|
|
*aResult = mBinding;
|
2000-01-13 02:23:54 +00:00
|
|
|
NS_IF_ADDREF(*aResult);
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::SetBindingElement(nsIContent* aElement)
|
|
|
|
{
|
2000-01-13 09:21:09 +00:00
|
|
|
mBinding = aElement;
|
2000-01-13 02:23:54 +00:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-01-13 08:54:16 +00:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::GenerateAnonymousContent(nsIContent* aBoundElement)
|
|
|
|
{
|
2000-01-13 09:43:42 +00:00
|
|
|
// Set our bound element.
|
|
|
|
mBoundElement = aBoundElement;
|
|
|
|
|
2000-01-13 09:21:09 +00:00
|
|
|
// Fetch the content element for this binding.
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
|
|
GetImmediateChild(kContentAtom, getter_AddRefs(content));
|
|
|
|
|
|
|
|
if (!content) {
|
|
|
|
// We have no anonymous content.
|
|
|
|
if (mNextBinding)
|
|
|
|
return mNextBinding->GenerateAnonymousContent(aBoundElement);
|
|
|
|
else return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-03-11 10:36:39 +00:00
|
|
|
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(content));
|
|
|
|
nsCOMPtr<nsIDOMNamedNodeMap> namedMap;
|
|
|
|
|
|
|
|
node->GetAttributes(getter_AddRefs(namedMap));
|
|
|
|
PRUint32 length;
|
|
|
|
namedMap->GetLength(&length);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> attribute;
|
|
|
|
for (PRUint32 i = 0; i < length; ++i)
|
|
|
|
{
|
|
|
|
namedMap->Item(i, getter_AddRefs(attribute));
|
|
|
|
nsCOMPtr<nsIDOMAttr> attr(do_QueryInterface(attribute));
|
|
|
|
nsAutoString name;
|
|
|
|
attr->GetName(name);
|
2000-03-11 10:53:02 +00:00
|
|
|
if (name != "excludes") {
|
2000-03-11 10:36:39 +00:00
|
|
|
nsAutoString value;
|
|
|
|
nsCOMPtr<nsIDOMElement> element(do_QueryInterface(mBoundElement));
|
|
|
|
element->GetAttribute(name, value);
|
|
|
|
if (value == "") {
|
|
|
|
nsAutoString value2;
|
|
|
|
attr->GetValue(value2);
|
|
|
|
element->SetAttribute(name, value2);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2000-01-13 09:21:09 +00:00
|
|
|
// Plan to build the content by default.
|
|
|
|
PRBool buildContent = PR_TRUE;
|
|
|
|
PRInt32 childCount;
|
|
|
|
aBoundElement->ChildCount(childCount);
|
|
|
|
if (childCount > 0) {
|
|
|
|
// See if there's an excludes attribute.
|
|
|
|
// We'll only build content if all the explicit children are
|
|
|
|
// in the excludes list.
|
|
|
|
nsAutoString excludes;
|
|
|
|
content->GetAttribute(kNameSpaceID_None, kExcludesAtom, excludes);
|
2000-01-25 06:35:27 +00:00
|
|
|
if (excludes != "") {
|
2000-01-13 09:43:42 +00:00
|
|
|
// Walk the children and ensure that all of them
|
|
|
|
// are in the excludes array.
|
|
|
|
for (PRInt32 i = 0; i < childCount; i++) {
|
|
|
|
nsCOMPtr<nsIContent> child;
|
|
|
|
aBoundElement->ChildAt(i, *getter_AddRefs(child));
|
|
|
|
nsCOMPtr<nsIAtom> tag;
|
|
|
|
child->GetTag(*getter_AddRefs(tag));
|
|
|
|
if (!IsInExcludesList(tag, excludes)) {
|
|
|
|
buildContent = PR_FALSE;
|
|
|
|
break;
|
2000-01-13 09:21:09 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else buildContent = PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (buildContent) {
|
|
|
|
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(content);
|
|
|
|
|
|
|
|
nsCOMPtr<nsIDOMNode> clonedNode;
|
|
|
|
domElement->CloneNode(PR_TRUE, getter_AddRefs(clonedNode));
|
|
|
|
|
|
|
|
nsCOMPtr<nsIContent> clonedContent = do_QueryInterface(clonedNode);
|
|
|
|
SetAnonymousContent(clonedContent);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (mNextBinding) {
|
|
|
|
return mNextBinding->GenerateAnonymousContent(aBoundElement);
|
|
|
|
}
|
|
|
|
|
2000-01-13 08:54:16 +00:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::InstallEventHandlers(nsIContent* aBoundElement)
|
|
|
|
{
|
2000-01-26 11:43:31 +00:00
|
|
|
// Fetch the handlers element for this binding.
|
|
|
|
nsCOMPtr<nsIContent> handlers;
|
|
|
|
GetImmediateChild(kHandlersAtom, getter_AddRefs(handlers));
|
|
|
|
|
2000-03-11 10:36:39 +00:00
|
|
|
if (handlers) {
|
|
|
|
// Now walk the handlers and add event listeners to the bound
|
|
|
|
// element.
|
|
|
|
PRInt32 childCount;
|
|
|
|
handlers->ChildCount(childCount);
|
|
|
|
for (PRInt32 i = 0; i < childCount; i++) {
|
|
|
|
nsCOMPtr<nsIContent> child;
|
|
|
|
handlers->ChildAt(i, *getter_AddRefs(child));
|
|
|
|
|
|
|
|
// Fetch the type attribute.
|
|
|
|
// XXX Deal with a comma-separated list of types
|
|
|
|
nsAutoString type;
|
|
|
|
child->GetAttribute(kNameSpaceID_None, kTypeAtom, type);
|
2000-01-26 11:43:31 +00:00
|
|
|
|
2000-03-11 10:36:39 +00:00
|
|
|
if (type != "") {
|
|
|
|
nsCOMPtr<nsIAtom> eventAtom = getter_AddRefs(NS_NewAtom(type));
|
|
|
|
PRBool found = PR_FALSE;
|
|
|
|
nsIID iid;
|
|
|
|
GetEventHandlerIID(eventAtom, &iid, &found);
|
|
|
|
if (found) {
|
|
|
|
// Add an event listener for mouse and key events only.
|
|
|
|
PRBool mouse = IsMouseHandler(type);
|
|
|
|
PRBool key = IsKeyHandler(type);
|
|
|
|
PRBool xul = IsXULHandler(type);
|
|
|
|
|
|
|
|
if (mouse || key || xul) {
|
|
|
|
// Create a new nsXBLEventHandler.
|
|
|
|
nsXBLEventHandler* handler;
|
|
|
|
NS_NewXBLEventHandler(mBoundElement, child, type, &handler);
|
|
|
|
|
|
|
|
// Figure out if we're using capturing or not.
|
|
|
|
PRBool useCapture = PR_FALSE;
|
|
|
|
nsAutoString capturer;
|
|
|
|
child->GetAttribute(kNameSpaceID_None, kCapturerAtom, capturer);
|
|
|
|
if (capturer == "true")
|
|
|
|
useCapture = PR_TRUE;
|
|
|
|
|
|
|
|
// Add the event listener.
|
|
|
|
nsCOMPtr<nsIDOMEventReceiver> receiver = do_QueryInterface(mBoundElement);
|
|
|
|
if (mouse)
|
|
|
|
receiver->AddEventListener(type, (nsIDOMMouseListener*)handler, useCapture);
|
|
|
|
else if(key)
|
|
|
|
receiver->AddEventListener(type, (nsIDOMKeyListener*)handler, useCapture);
|
|
|
|
else
|
|
|
|
receiver->AddEventListener(type, (nsIDOMMenuListener*)handler, useCapture);
|
|
|
|
|
|
|
|
NS_RELEASE(handler);
|
|
|
|
}
|
2000-01-26 11:43:31 +00:00
|
|
|
|
2000-03-11 10:36:39 +00:00
|
|
|
// XXX Call AddScriptEventListener for other IID types
|
|
|
|
}
|
2000-01-26 11:43:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2000-01-27 09:44:58 +00:00
|
|
|
if (mNextBinding)
|
|
|
|
mNextBinding->InstallEventHandlers(aBoundElement);
|
|
|
|
|
2000-01-13 08:54:16 +00:00
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-03-11 10:36:39 +00:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::GetBaseTag(nsIAtom** aResult)
|
|
|
|
{
|
|
|
|
if (mNextBinding)
|
|
|
|
return mNextBinding->GetBaseTag(aResult);
|
|
|
|
|
|
|
|
// XXX Cache the value as a "base" attribute so that we don't do this
|
|
|
|
// check over and over each time the bound element occurs.
|
|
|
|
|
|
|
|
// We are the base binding. Obtain the extends attribute.
|
|
|
|
nsAutoString extends;
|
|
|
|
mBinding->GetAttribute(kNameSpaceID_None, kExtendsAtom, extends);
|
|
|
|
|
|
|
|
if (extends != "") {
|
|
|
|
// Obtain the namespace prefix.
|
|
|
|
nsAutoString prefix;
|
|
|
|
PRInt32 offset = extends.FindChar(kNameSpaceSeparator);
|
|
|
|
if (-1 != offset) {
|
|
|
|
extends.Left(prefix, offset);
|
|
|
|
extends.Cut(0, offset+1);
|
|
|
|
}
|
|
|
|
if (prefix.Length() > 0) {
|
|
|
|
// Look up the prefix.
|
|
|
|
nsCOMPtr<nsIAtom> prefixAtom = getter_AddRefs(NS_NewAtom(prefix));
|
|
|
|
nsCOMPtr<nsINameSpace> nameSpace;
|
|
|
|
nsCOMPtr<nsIXMLContent> xmlContent(do_QueryInterface(mBinding));
|
|
|
|
if (xmlContent) {
|
|
|
|
xmlContent->GetContainingNameSpace(*getter_AddRefs(nameSpace));
|
|
|
|
|
|
|
|
nsCOMPtr<nsINameSpace> tagSpace;
|
|
|
|
nameSpace->FindNameSpace(prefixAtom, *getter_AddRefs(tagSpace));
|
|
|
|
if (tagSpace) {
|
|
|
|
// Score! Return the tag.
|
|
|
|
// XXX We should really return the namespace as well.
|
|
|
|
*aResult = NS_NewAtom(extends); // The addref happens here
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-01-25 06:35:27 +00:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::AttributeChanged(nsIAtom* aAttribute, PRInt32 aNameSpaceID, PRBool aRemoveFlag)
|
|
|
|
{
|
|
|
|
if (mNextBinding)
|
|
|
|
mNextBinding->AttributeChanged(aAttribute, aNameSpaceID, aRemoveFlag);
|
|
|
|
|
|
|
|
if (!mAttributeTable)
|
|
|
|
return NS_OK;
|
|
|
|
|
|
|
|
nsISupportsKey key(aAttribute);
|
|
|
|
nsCOMPtr<nsISupports> supports = getter_AddRefs(NS_STATIC_CAST(nsISupports*,
|
|
|
|
mAttributeTable->Get(&key)));
|
|
|
|
|
|
|
|
nsCOMPtr<nsISupportsArray> entry = do_QueryInterface(supports);
|
|
|
|
if (!entry)
|
|
|
|
return NS_OK;
|
|
|
|
|
|
|
|
// Iterate over the elements in the array.
|
|
|
|
PRUint32 count;
|
|
|
|
entry->Count(&count);
|
|
|
|
|
|
|
|
for (PRUint32 i=0; i<count; i++) {
|
|
|
|
nsCOMPtr<nsISupports> item;
|
|
|
|
entry->GetElementAt(i, getter_AddRefs(item));
|
|
|
|
nsCOMPtr<nsIXBLAttributeEntry> xblAttr = do_QueryInterface(item);
|
|
|
|
if (xblAttr) {
|
|
|
|
nsCOMPtr<nsIContent> element;
|
|
|
|
nsCOMPtr<nsIAtom> setAttr;
|
|
|
|
xblAttr->GetElement(getter_AddRefs(element));
|
|
|
|
xblAttr->GetAttribute(getter_AddRefs(setAttr));
|
|
|
|
|
|
|
|
if (aRemoveFlag)
|
|
|
|
element->UnsetAttribute(aNameSpaceID, setAttr, PR_TRUE);
|
|
|
|
else {
|
|
|
|
nsAutoString value;
|
|
|
|
nsresult result = mBoundElement->GetAttribute(aNameSpaceID, aAttribute, value);
|
|
|
|
PRBool attrPresent = (result == NS_CONTENT_ATTR_NO_VALUE ||
|
|
|
|
result == NS_CONTENT_ATTR_HAS_VALUE);
|
|
|
|
|
|
|
|
if (attrPresent)
|
|
|
|
element->SetAttribute(aNameSpaceID, setAttr, value, PR_TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-01-13 09:21:09 +00:00
|
|
|
// Internal helper methods ////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
void
|
|
|
|
nsXBLBinding::GetImmediateChild(nsIAtom* aTag, nsIContent** aResult)
|
|
|
|
{
|
2000-01-13 09:43:42 +00:00
|
|
|
*aResult = nsnull;
|
|
|
|
PRInt32 childCount;
|
|
|
|
mBinding->ChildCount(childCount);
|
|
|
|
for (PRInt32 i = 0; i < childCount; i++) {
|
|
|
|
nsCOMPtr<nsIContent> child;
|
|
|
|
mBinding->ChildAt(i, *getter_AddRefs(child));
|
|
|
|
nsCOMPtr<nsIAtom> tag;
|
|
|
|
child->GetTag(*getter_AddRefs(tag));
|
|
|
|
if (aTag == tag.get()) {
|
|
|
|
*aResult = child;
|
|
|
|
NS_ADDREF(*aResult);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
2000-01-13 09:21:09 +00:00
|
|
|
|
2000-01-13 09:43:42 +00:00
|
|
|
return;
|
2000-01-13 09:21:09 +00:00
|
|
|
}
|
2000-01-13 09:43:42 +00:00
|
|
|
|
|
|
|
|
2000-01-13 09:21:09 +00:00
|
|
|
PRBool
|
2000-01-13 09:43:42 +00:00
|
|
|
nsXBLBinding::IsInExcludesList(nsIAtom* aTag, const nsString& aList)
|
2000-01-13 09:21:09 +00:00
|
|
|
{
|
2000-01-13 09:43:42 +00:00
|
|
|
nsAutoString element;
|
|
|
|
aTag->ToString(element);
|
|
|
|
|
|
|
|
if (aList == "*")
|
|
|
|
return PR_TRUE; // match _everything_!
|
|
|
|
|
|
|
|
PRInt32 indx = aList.Find(element);
|
|
|
|
if (indx == -1)
|
|
|
|
return PR_FALSE; // not in the list at all
|
|
|
|
|
|
|
|
// okay, now make sure it's not a substring snafu; e.g., 'ur'
|
|
|
|
// found inside of 'blur'.
|
|
|
|
if (indx > 0) {
|
|
|
|
PRUnichar ch = aList[indx - 1];
|
2000-03-12 09:14:14 +00:00
|
|
|
if (! nsCRT::IsAsciiSpace(ch) && ch != PRUnichar(','))
|
2000-01-13 09:43:42 +00:00
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (indx + element.Length() < aList.Length()) {
|
|
|
|
PRUnichar ch = aList[indx + element.Length()];
|
2000-03-12 09:14:14 +00:00
|
|
|
if (! nsCRT::IsAsciiSpace(ch) && ch != PRUnichar(','))
|
2000-01-13 09:43:42 +00:00
|
|
|
return PR_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return PR_TRUE;
|
2000-01-13 09:21:09 +00:00
|
|
|
}
|
|
|
|
|
2000-01-25 06:35:27 +00:00
|
|
|
NS_IMETHODIMP
|
|
|
|
nsXBLBinding::ConstructAttributeTable(nsIContent* aElement)
|
|
|
|
{
|
|
|
|
// XXX This function still needs to deal with the
|
|
|
|
// ability to map one attribute to another.
|
|
|
|
nsAutoString inherits;
|
|
|
|
aElement->GetAttribute(kNameSpaceID_None, kInheritsAtom, inherits);
|
|
|
|
if (inherits != "") {
|
|
|
|
if (!mAttributeTable) {
|
|
|
|
mAttributeTable = new nsSupportsHashtable(8);
|
|
|
|
}
|
|
|
|
|
|
|
|
// The user specified at least one attribute.
|
|
|
|
char* str = inherits.ToNewCString();
|
|
|
|
char* newStr;
|
|
|
|
char* token = nsCRT::strtok( str, ", ", &newStr );
|
|
|
|
while( token != NULL ) {
|
|
|
|
// Build an atom out of this attribute.
|
|
|
|
nsCOMPtr<nsIAtom> atom;
|
|
|
|
nsCOMPtr<nsIAtom> attribute;
|
|
|
|
|
|
|
|
// Figure out if this token contains a :.
|
|
|
|
nsAutoString attr(token);
|
|
|
|
PRInt32 index = attr.Find(":", PR_TRUE);
|
|
|
|
if (index != -1) {
|
|
|
|
// This attribute maps to something different.
|
|
|
|
nsAutoString left, right;
|
|
|
|
attr.Left(left, index);
|
|
|
|
attr.Right(right, attr.Length()-index-1);
|
|
|
|
|
|
|
|
atom = getter_AddRefs(NS_NewAtom(left));
|
|
|
|
attribute = getter_AddRefs(NS_NewAtom(right));
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
atom = getter_AddRefs(NS_NewAtom(token));
|
|
|
|
attribute = getter_AddRefs(NS_NewAtom(token));
|
|
|
|
}
|
|
|
|
|
|
|
|
// Create an XBL attribute entry.
|
|
|
|
nsXBLAttributeEntry* xblAttr = new nsXBLAttributeEntry(attribute, aElement);
|
|
|
|
|
|
|
|
// Now we should see if some element within our anonymous
|
|
|
|
// content is already observing this attribute.
|
|
|
|
nsISupportsKey key(atom);
|
|
|
|
nsCOMPtr<nsISupports> supports = getter_AddRefs(NS_STATIC_CAST(nsISupports*,
|
|
|
|
mAttributeTable->Get(&key)));
|
|
|
|
|
|
|
|
nsCOMPtr<nsISupportsArray> entry = do_QueryInterface(supports);
|
|
|
|
if (!entry) {
|
|
|
|
// Make a new entry.
|
|
|
|
NS_NewISupportsArray(getter_AddRefs(entry));
|
|
|
|
|
|
|
|
// Put it in the table.
|
|
|
|
mAttributeTable->Put(&key, entry);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Append ourselves to our entry.
|
|
|
|
entry->AppendElement(xblAttr);
|
|
|
|
|
|
|
|
// Now make sure that this attribute is initially set.
|
|
|
|
// XXX How to deal with NAMESPACES!!!?
|
|
|
|
nsAutoString value;
|
|
|
|
nsresult result = mBoundElement->GetAttribute(kNameSpaceID_None, atom, value);
|
|
|
|
PRBool attrPresent = (result == NS_CONTENT_ATTR_NO_VALUE ||
|
|
|
|
result == NS_CONTENT_ATTR_HAS_VALUE);
|
|
|
|
|
|
|
|
if (attrPresent)
|
|
|
|
aElement->SetAttribute(kNameSpaceID_None, attribute, value, PR_TRUE);
|
|
|
|
|
|
|
|
token = nsCRT::strtok( newStr, ", ", &newStr );
|
|
|
|
}
|
|
|
|
|
|
|
|
nsAllocator::Free(str);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Recur into our children.
|
|
|
|
PRInt32 childCount;
|
|
|
|
aElement->ChildCount(childCount);
|
|
|
|
for (PRInt32 i = 0; i < childCount; i++) {
|
|
|
|
nsCOMPtr<nsIContent> child;
|
|
|
|
aElement->ChildAt(i, *getter_AddRefs(child));
|
|
|
|
ConstructAttributeTable(child);
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
|
|
}
|
|
|
|
|
2000-01-26 11:43:31 +00:00
|
|
|
void
|
|
|
|
nsXBLBinding::GetEventHandlerIID(nsIAtom* aName, nsIID* aIID, PRBool* aFound)
|
|
|
|
{
|
|
|
|
*aFound = PR_FALSE;
|
|
|
|
|
|
|
|
EventHandlerMapEntry* entry = kEventHandlerMap;
|
|
|
|
while (entry->mAttributeAtom) {
|
|
|
|
if (entry->mAttributeAtom == aName) {
|
|
|
|
*aIID = *entry->mHandlerIID;
|
|
|
|
*aFound = PR_TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
++entry;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool
|
|
|
|
nsXBLBinding::IsMouseHandler(const nsString& aName)
|
|
|
|
{
|
|
|
|
return ((aName == "click") || (aName == "dblclick") || (aName=="mousedown") ||
|
|
|
|
(aName == "mouseover") || (aName == "mouseout") || (aName == "mouseup"));
|
|
|
|
}
|
|
|
|
|
|
|
|
PRBool
|
|
|
|
nsXBLBinding::IsKeyHandler(const nsString& aName)
|
|
|
|
{
|
|
|
|
return ((aName == "keypress") || (aName == "keydown") || (aName == "keyup"));
|
|
|
|
}
|
|
|
|
|
2000-02-25 08:37:49 +00:00
|
|
|
PRBool
|
|
|
|
nsXBLBinding::IsXULHandler(const nsString& aName)
|
|
|
|
{
|
|
|
|
return ((aName == "create") || (aName == "destroy") || (aName=="broadcast") ||
|
|
|
|
(aName == "command") || (aName == "commandupdate") || (aName == "close"));
|
|
|
|
}
|
|
|
|
|
2000-01-13 02:23:54 +00:00
|
|
|
// Creation Routine ///////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
nsresult
|
|
|
|
NS_NewXBLBinding(nsIXBLBinding** aResult)
|
|
|
|
{
|
|
|
|
*aResult = new nsXBLBinding;
|
|
|
|
if (!*aResult)
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
NS_ADDREF(*aResult);
|
|
|
|
return NS_OK;
|
2000-01-13 23:07:43 +00:00
|
|
|
}
|
|
|
|
|