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211 lines
8.8 KiB
C
211 lines
8.8 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: David W. Hyatt (hyatt@netscape.com)
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* Alec Flett <alecf@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsBindingManager_h_
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#define nsBindingManager_h_
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#include "nsIBindingManager.h"
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#include "nsIStyleRuleSupplier.h"
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#include "nsStubDocumentObserver.h"
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#include "pldhash.h"
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#include "nsInterfaceHashtable.h"
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#include "nsISupportsArray.h"
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#include "nsURIHashKey.h"
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class nsIContent;
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class nsIXBLBinding;
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class nsIXPConnectWrappedJS;
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class nsIAtom;
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class nsIDOMNodeList;
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class nsVoidArray;
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class nsIDocument;
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class nsIURI;
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class nsIXBLDocumentInfo;
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class nsIStreamListener;
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class nsStyleSet;
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class nsBindingManager : public nsIBindingManager,
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public nsIStyleRuleSupplier,
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public nsStubDocumentObserver
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{
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NS_DECL_ISUPPORTS
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public:
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nsBindingManager();
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~nsBindingManager();
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NS_IMETHOD GetBinding(nsIContent* aContent, nsIXBLBinding** aResult);
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NS_IMETHOD SetBinding(nsIContent* aContent, nsIXBLBinding* aBinding);
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NS_IMETHOD GetInsertionParent(nsIContent* aContent, nsIContent** aResult);
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NS_IMETHOD SetInsertionParent(nsIContent* aContent, nsIContent* aResult);
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NS_IMETHOD GetWrappedJS(nsIContent* aContent, nsIXPConnectWrappedJS** aResult);
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NS_IMETHOD SetWrappedJS(nsIContent* aContent, nsIXPConnectWrappedJS* aResult);
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NS_IMETHOD ChangeDocumentFor(nsIContent* aContent, nsIDocument* aOldDocument,
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nsIDocument* aNewDocument);
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NS_IMETHOD ResolveTag(nsIContent* aContent, PRInt32* aNameSpaceID, nsIAtom** aResult);
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NS_IMETHOD GetContentListFor(nsIContent* aContent, nsIDOMNodeList** aResult);
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NS_IMETHOD SetContentListFor(nsIContent* aContent, nsVoidArray* aList);
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NS_IMETHOD HasContentListFor(nsIContent* aContent, PRBool* aResult);
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NS_IMETHOD GetAnonymousNodesFor(nsIContent* aContent, nsIDOMNodeList** aResult);
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NS_IMETHOD SetAnonymousNodesFor(nsIContent* aContent, nsVoidArray* aList);
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NS_IMETHOD GetXBLChildNodesFor(nsIContent* aContent, nsIDOMNodeList** aResult);
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NS_IMETHOD GetInsertionPoint(nsIContent* aParent, nsIContent* aChild, nsIContent** aResult, PRUint32* aIndex);
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NS_IMETHOD GetSingleInsertionPoint(nsIContent* aParent, nsIContent** aResult, PRUint32* aIndex,
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PRBool* aMultipleInsertionPoints);
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NS_IMETHOD AddLayeredBinding(nsIContent* aContent, nsIURI* aURL);
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NS_IMETHOD RemoveLayeredBinding(nsIContent* aContent, nsIURI* aURL);
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NS_IMETHOD LoadBindingDocument(nsIDocument* aBoundDoc, nsIURI* aURL,
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nsIDocument** aResult);
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NS_IMETHOD AddToAttachedQueue(nsIXBLBinding* aBinding);
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NS_IMETHOD ClearAttachedQueue();
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NS_IMETHOD ProcessAttachedQueue();
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NS_IMETHOD ExecuteDetachedHandlers();
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NS_IMETHOD PutXBLDocumentInfo(nsIXBLDocumentInfo* aDocumentInfo);
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NS_IMETHOD GetXBLDocumentInfo(nsIURI* aURI, nsIXBLDocumentInfo** aResult);
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NS_IMETHOD RemoveXBLDocumentInfo(nsIXBLDocumentInfo* aDocumentInfo);
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NS_IMETHOD PutLoadingDocListener(nsIURI* aURL, nsIStreamListener* aListener);
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NS_IMETHOD GetLoadingDocListener(nsIURI* aURL, nsIStreamListener** aResult);
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NS_IMETHOD RemoveLoadingDocListener(nsIURI* aURL);
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NS_IMETHOD InheritsStyle(nsIContent* aContent, PRBool* aResult);
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NS_IMETHOD FlushSkinBindings();
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NS_IMETHOD GetBindingImplementation(nsIContent* aContent, REFNSIID aIID, void** aResult);
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NS_IMETHOD ShouldBuildChildFrames(nsIContent* aContent, PRBool* aResult);
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// nsIStyleRuleSupplier
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NS_IMETHOD WalkRules(nsStyleSet* aStyleSet,
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nsIStyleRuleProcessor::EnumFunc aFunc,
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RuleProcessorData* aData,
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PRBool* aCutOffInheritance);
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// nsIDocumentObserver
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virtual void ContentAppended(nsIDocument* aDocument,
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nsIContent* aContainer,
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PRInt32 aNewIndexInContainer);
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virtual void ContentInserted(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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virtual void ContentRemoved(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild,
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PRInt32 aIndexInContainer);
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protected:
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nsresult GetXBLChildNodesInternal(nsIContent* aContent,
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nsIDOMNodeList** aResult,
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PRBool* aIsAnonymousContentList);
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nsresult GetAnonymousNodesInternal(nsIContent* aContent,
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nsIDOMNodeList** aResult,
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PRBool* aIsAnonymousContentList);
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nsIContent* GetEnclosingScope(nsIContent* aContent) {
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return aContent->GetBindingParent();
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}
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nsresult GetNestedInsertionPoint(nsIContent* aParent, nsIContent* aChild, nsIContent** aResult);
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// MEMBER VARIABLES
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protected:
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// A mapping from nsIContent* to the nsIXBLBinding* that is
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// installed on that element.
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PLDHashTable mBindingTable;
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// A mapping from nsIContent* to an nsIDOMNodeList*
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// (nsAnonymousContentList*). This list contains an accurate
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// reflection of our *explicit* children (once intermingled with
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// insertion points) in the altered DOM.
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PLDHashTable mContentListTable;
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// A mapping from nsIContent* to an nsIDOMNodeList*
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// (nsAnonymousContentList*). This list contains an accurate
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// reflection of our *anonymous* children (if and only if they are
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// intermingled with insertion points) in the altered DOM. This
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// table is not used if no insertion points were defined directly
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// underneath a <content> tag in a binding. The NodeList from the
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// <content> is used instead as a performance optimization.
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PLDHashTable mAnonymousNodesTable;
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// A mapping from nsIContent* to nsIContent*. The insertion parent
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// is our one true parent in the transformed DOM. This gives us a
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// more-or-less O(1) way of obtaining our transformed parent.
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PLDHashTable mInsertionParentTable;
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// A mapping from nsIContent* to nsIXPWrappedJS* (an XPConnect
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// wrapper for JS objects). For XBL bindings that implement XPIDL
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// interfaces, and that get referred to from C++, this table caches
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// the XPConnect wrapper for the binding. By caching it, I control
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// its lifetime, and I prevent a re-wrap of the same script object
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// (in the case where multiple bindings in an XBL inheritance chain
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// both implement an XPIDL interface).
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PLDHashTable mWrapperTable;
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// A mapping from a URL (a string) to nsIXBLDocumentInfo*. This table
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// is the cache of all binding documents that have been loaded by a
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// given bound document.
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nsInterfaceHashtable<nsURIHashKey,nsIXBLDocumentInfo> mDocumentTable;
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// A mapping from a URL (a string) to a nsIStreamListener. This
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// table is the currently loading binding docs. If they're in this
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// table, they have not yet finished loading.
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nsInterfaceHashtable<nsURIHashKey,nsIStreamListener> mLoadingDocTable;
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// A queue of binding attached event handlers that are awaiting
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// execution.
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nsCOMPtr<nsISupportsArray> mAttachedStack;
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PRBool mProcessingAttachedStack;
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};
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#endif
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