368 lines
9.6 KiB
C++
368 lines
9.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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//
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// Eric Vaughan
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// Netscape Communications
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//
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// See documentation in associated header file
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//
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#include "nsScrollbarFrame.h"
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#include "nsScrollbarButtonFrame.h"
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#include "nsXULAtoms.h"
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#include "nsHTMLAtoms.h"
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#include "nsISupportsArray.h"
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#include "nsXULAtoms.h"
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#include "nsHTMLAtoms.h"
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#include "nsINameSpaceManager.h"
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#include "nsIXMLContent.h"
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#include "nsIDOMDocument.h"
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#include "nsIDocument.h"
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#include "nsIDOMElement.h"
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#include "nsXMLElement.h"
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#include "nsIStyledContent.h"
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#include "nsGenericElement.h"
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#include "nsIStyleRule.h"
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#include "nsHTMLValue.h"
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#include "nsIAnonymousContent.h"
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#include "nsIView.h"
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class AnonymousElement : public nsXMLElement, public nsIStyledContent, public nsIAnonymousContent
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{
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public:
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AnonymousElement(nsIAtom *aTag):nsXMLElement(aTag) {}
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// nsIStyledContent
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NS_IMETHOD GetID(nsIAtom*& aResult) const;
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NS_IMETHOD GetClasses(nsVoidArray& aArray) const;
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NS_IMETHOD HasClass(nsIAtom* aClass) const;
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NS_IMETHOD GetContentStyleRules(nsISupportsArray* aRules);
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NS_IMETHOD GetInlineStyleRules(nsISupportsArray* aRules);
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NS_IMETHOD GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const;
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// NS_IMPL_ICONTENT_USING_GENERIC_DOM_DATA(mInner)
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};
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NS_IMETHODIMP
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AnonymousElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const {
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return this->nsXMLElement::SizeOf(aSizer, aResult);
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}
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/*
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NS_IMETHODIMP
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AnonymousElement::GetTag(nsIAtom*& aResult) const
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{
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return mInner.GetTag(aResult);
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}
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NS_IMETHODIMP
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AnonymousElement::List(FILE* out, PRInt32 aIndent) const
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{
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NS_PRECONDITION(nsnull != mInner.mDocument, "bad content");
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PRInt32 indx;
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for (indx = aIndent; --indx >= 0; ) fputs(" ", out);
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fprintf(out, "Comment refcount=%d<", mRefCnt);
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nsAutoString tmp;
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mInner.ToCString(tmp, 0, mInner.mText.GetLength());
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fputs(tmp, out);
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fputs(">\n", out);
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return mInner.List(out, aIndent);
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}
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*/
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NS_IMETHODIMP
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AnonymousElement::HandleDOMEvent(nsIPresContext* aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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PRUint32 aFlags,
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nsEventStatus* aEventStatus)
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{
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/*
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// if our parent is not anonymous then we don't want to bubble the event
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// so lets set our parent in nsnull to prevent it. Then we will set it
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// back.
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nsIContent* parent = nsnull;
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GetParent(parent);
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nsCOMPtr<nsIAnonymousContent> anonymousParent(do_QueryInterface(parent));
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if (!anonymousParent)
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SetParent(nsnull);
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*/
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nsresult rv = mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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/*
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if (!anonymousParent)
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SetParent(parent);
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*/
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return rv;
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}
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// nsIStyledContent Implementation
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NS_IMETHODIMP
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AnonymousElement::GetID(nsIAtom*& aResult) const
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{
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/*
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nsAutoString value;
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GetAttribute(kNameSpaceID_None, kIdAtom, value);
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aResult = NS_NewAtom(value); // The NewAtom call does the AddRef.
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*/
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aResult = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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AnonymousElement::GetClasses(nsVoidArray& aArray) const
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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AnonymousElement::HasClass(nsIAtom* aClass) const
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{
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return NS_COMFALSE;
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}
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NS_IMETHODIMP
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AnonymousElement::GetContentStyleRules(nsISupportsArray* aRules)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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AnonymousElement::GetInlineStyleRules(nsISupportsArray* aRules)
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{
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// we don't currently support the style attribute
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return NS_OK;
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}
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NS_IMETHODIMP
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AnonymousElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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aHint = NS_STYLE_HINT_CONTENT; // we never map attribtes to style
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return NS_OK;
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}
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NS_IMPL_ADDREF_INHERITED(AnonymousElement, nsXMLElement)
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NS_IMPL_RELEASE_INHERITED(AnonymousElement, nsXMLElement)
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//
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// QueryInterface
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//
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NS_INTERFACE_MAP_BEGIN(AnonymousElement)
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NS_INTERFACE_MAP_ENTRY(nsIStyledContent)
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NS_INTERFACE_MAP_ENTRY(nsIAnonymousContent)
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NS_INTERFACE_MAP_END_INHERITING(nsXMLElement)
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nsresult NS_CreateAnonymousNode(nsIContent* aParent, nsIAtom* aTag, PRInt32 aNameSpaceId, nsCOMPtr<nsIContent>& aNewNode)
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{
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// create the xml element
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nsCOMPtr<nsIXMLContent> content;
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//NS_NewXMLElement(getter_AddRefs(content), aTag);
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content = new AnonymousElement(aTag);
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content->SetNameSpaceID(aNameSpaceId);
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aNewNode = content;
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/*
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nsCOMPtr<nsIDocument> document;
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aParent->GetDocument(*getter_AddRefs(document));
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nsCOMPtr<nsIDOMDocument> domDocument(do_QueryInterface(document));
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nsCOMPtr<nsIDOMElement> element;
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nsString name;
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aTag->ToString(name);
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domDocument->CreateElement(name, getter_AddRefs(element));
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aNewNode = do_QueryInterface(element);
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*/
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return NS_OK;
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}
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//
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// NS_NewToolbarFrame
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//
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// Creates a new Toolbar frame and returns it in |aNewFrame|
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//
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nsresult
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NS_NewScrollbarFrame ( nsIPresShell* aPresShell, nsIFrame** aNewFrame )
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsScrollbarFrame* it = new (aPresShell) nsScrollbarFrame;
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if (nsnull == it)
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return NS_ERROR_OUT_OF_MEMORY;
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*aNewFrame = it;
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return NS_OK;
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} // NS_NewScrollbarFrame
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/**
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* Anonymous interface
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*/
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NS_IMETHODIMP
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nsScrollbarFrame::CreateAnonymousContent(nsIPresContext* aPresContext,
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nsISupportsArray& aAnonymousChildren)
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{
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// if not content the create some anonymous content
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PRInt32 count = 0;
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mContent->ChildCount(count);
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if (count == 0) {
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nsCOMPtr<nsIContent> content;
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NS_CreateAnonymousNode(mContent, nsXULAtoms::scrollbarbutton, nsXULAtoms::nameSpaceID, content);
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content->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::type, "decrement", PR_FALSE);
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aAnonymousChildren.AppendElement(content);
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NS_CreateAnonymousNode(mContent, nsXULAtoms::slider, nsXULAtoms::nameSpaceID, content);
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content->SetAttribute(kNameSpaceID_None, nsXULAtoms::flex, "1", PR_FALSE);
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aAnonymousChildren.AppendElement(content);
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NS_CreateAnonymousNode(mContent, nsXULAtoms::scrollbarbutton, nsXULAtoms::nameSpaceID, content);
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content->SetAttribute(kNameSpaceID_None, nsHTMLAtoms::type, "increment", PR_FALSE);
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aAnonymousChildren.AppendElement(content);
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}
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return NS_OK;
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}
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//
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// QueryInterface
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//
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NS_INTERFACE_MAP_BEGIN(nsScrollbarFrame)
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NS_INTERFACE_MAP_ENTRY(nsIAnonymousContentCreator)
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NS_INTERFACE_MAP_END_INHERITING(nsBoxFrame)
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NS_IMETHODIMP
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nsScrollbarFrame::Init(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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nsIFrame* aPrevInFlow)
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{
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nsresult rv = nsBoxFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
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CreateViewForFrame(aPresContext,this,aContext,PR_TRUE);
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nsIView* view;
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GetView(aPresContext, &view);
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view->SetContentTransparency(PR_TRUE);
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return rv;
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}
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NS_IMETHODIMP
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nsScrollbarFrame::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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nsresult rv = nsBoxFrame::AttributeChanged(aPresContext, aChild,
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aNameSpaceID, aAttribute, aHint);
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/*// if the current position changes
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if ( aAttribute == nsXULAtoms::curpos ||
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aAttribute == nsXULAtoms::maxpos ||
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aAttribute == nsXULAtoms::pageincrement ||
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aAttribute == nsXULAtoms::increment) {
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// tell the slider its attribute changed so it can
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// update itself
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nsIFrame* slider;
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nsScrollbarButtonFrame::GetChildWithTag(aPresContext, nsXULAtoms::slider, this, slider);
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if (slider)
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slider->AttributeChanged(aPresContext, aChild, aNameSpaceID, aAttribute, aHint);
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}
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*/
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return rv;
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}
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NS_IMETHODIMP
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nsScrollbarFrame::HandlePress(nsIPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsScrollbarFrame::HandleMultiplePress(nsIPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsScrollbarFrame::HandleDrag(nsIPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsScrollbarFrame::HandleRelease(nsIPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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return NS_OK;
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}
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