81946ff625
instead of the frame b=23592 r=kmcclusk git-svn-id: svn://10.0.0.236/trunk@57417 18797224-902f-48f8-a5cc-f745e15eee43
389 lines
13 KiB
C++
389 lines
13 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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#include "nsCOMPtr.h"
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#include "nsIDOMHTMLFontElement.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsIDeviceContext.h"
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#include "nsIStyleContext.h"
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#include "nsIMutableStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsStyleUtil.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLAttributes.h"
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static NS_DEFINE_IID(kIDOMHTMLFontElementIID, NS_IDOMHTMLFONTELEMENT_IID);
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class nsHTMLFontElement : public nsIDOMHTMLFontElement,
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIHTMLContent
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{
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public:
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nsHTMLFontElement(nsIAtom* aTag);
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virtual ~nsHTMLFontElement();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDOMNode
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NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
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// nsIDOMElement
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NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLElement
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NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLFontElement
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NS_IMETHOD GetColor(nsString& aColor);
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NS_IMETHOD SetColor(const nsString& aColor);
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NS_IMETHOD GetFace(nsString& aFace);
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NS_IMETHOD SetFace(const nsString& aFace);
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NS_IMETHOD GetSize(nsString& aSize);
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NS_IMETHOD SetSize(const nsString& aSize);
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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protected:
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nsGenericHTMLContainerElement mInner;
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};
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nsresult
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NS_NewHTMLFontElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLFontElement(aTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
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}
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nsHTMLFontElement::nsHTMLFontElement(nsIAtom* aTag)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aTag);
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}
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nsHTMLFontElement::~nsHTMLFontElement()
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{
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}
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NS_IMPL_ADDREF(nsHTMLFontElement)
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NS_IMPL_RELEASE(nsHTMLFontElement)
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nsresult
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nsHTMLFontElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
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if (aIID.Equals(kIDOMHTMLFontElementIID)) {
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nsIDOMHTMLFontElement* tmp = this;
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*aInstancePtr = (void*) tmp;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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nsresult
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nsHTMLFontElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLFontElement* it = new nsHTMLFontElement(mInner.mTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mInner.CopyInnerTo(this, &it->mInner, aDeep);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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NS_IMPL_STRING_ATTR(nsHTMLFontElement, Color, color)
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NS_IMPL_STRING_ATTR(nsHTMLFontElement, Face, face)
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NS_IMPL_STRING_ATTR(nsHTMLFontElement, Size, size)
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NS_IMETHODIMP
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nsHTMLFontElement::StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult)
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{
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if ((aAttribute == nsHTMLAtoms::size) ||
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(aAttribute == nsHTMLAtoms::pointSize) ||
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(aAttribute == nsHTMLAtoms::fontWeight)) {
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nsAutoString tmp(aValue);
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//rickg: fixed flaw where ToInteger error code was not being checked.
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// This caused wrong default value for font size.
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PRInt32 ec, v = tmp.ToInteger(&ec);
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if(NS_SUCCEEDED(ec)){
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tmp.CompressWhitespace(PR_TRUE, PR_FALSE);
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PRUnichar ch = tmp.First();
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aResult.SetIntValue(v, ((ch == '+') || (ch == '-')) ?
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eHTMLUnit_Integer : eHTMLUnit_Enumerated);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::color) {
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if (nsGenericHTMLElement::ParseColor(aValue, mInner.mDocument, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLFontElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsString& aResult) const
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{
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if ((aAttribute == nsHTMLAtoms::size) ||
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(aAttribute == nsHTMLAtoms::pointSize) ||
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(aAttribute == nsHTMLAtoms::fontWeight)) {
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aResult.Truncate();
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if (aValue.GetUnit() == eHTMLUnit_Enumerated) {
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aResult.Append(aValue.GetIntValue(), 10);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aValue.GetUnit() == eHTMLUnit_Integer) {
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PRInt32 value = aValue.GetIntValue();
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if (value >= 0) {
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aResult.Append('+');
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}
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aResult.Append(value, 10);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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return mInner.AttributeToString(aAttribute, aValue, aResult);
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}
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static void
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MapFontAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
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nsIMutableStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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if (nsnull != aAttributes) {
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nsHTMLValue value;
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nsStyleFont* font = (nsStyleFont*)
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aContext->GetMutableStyleData(eStyleStruct_Font);
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const nsStyleFont* parentFont = font;
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nsIStyleContext* parentContext = aContext->GetParent();
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if (nsnull != parentContext) {
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parentFont = (const nsStyleFont*)
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parentContext->GetStyleData(eStyleStruct_Font);
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}
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const nsFont& defaultFont = aPresContext->GetDefaultFontDeprecated();
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const nsFont& defaultFixedFont = aPresContext->GetDefaultFixedFontDeprecated();
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// face: string list
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aAttributes->GetAttribute(nsHTMLAtoms::face, value);
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if (value.GetUnit() == eHTMLUnit_String) {
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nsCOMPtr<nsIDeviceContext> dc;
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aPresContext->GetDeviceContext(getter_AddRefs(dc));
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if (dc) {
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nsAutoString familyList;
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value.GetStringValue(familyList);
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font->mFont.name = familyList;
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nsAutoString face;
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if (NS_OK == dc->FirstExistingFont(font->mFont, face)) {
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if (face.EqualsIgnoreCase("-moz-fixed")) {
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font->mFlags |= NS_STYLE_FONT_USE_FIXED;
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} else {
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font->mFlags &= ~NS_STYLE_FONT_USE_FIXED;
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}
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/* bug 12737
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else {
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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if (eCompatibility_NavQuirks == mode) {
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font->mFixedFont.name = familyList;
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}
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}
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*/
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}
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else {
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font->mFont.name = defaultFont.name;
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font->mFixedFont.name= defaultFixedFont.name;
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}
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font->mFlags |= NS_STYLE_FONT_FACE_EXPLICIT;
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}
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}
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// pointSize: int, enum
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aAttributes->GetAttribute(nsHTMLAtoms::pointSize, value);
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if (value.GetUnit() == eHTMLUnit_Integer) {
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// XXX should probably sanitize value
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font->mFont.size = parentFont->mFont.size +
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NSIntPointsToTwips(value.GetIntValue());
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font->mFixedFont.size = parentFont->mFixedFont.size +
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NSIntPointsToTwips(value.GetIntValue());
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font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
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}
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else if (value.GetUnit() == eHTMLUnit_Enumerated) {
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font->mFont.size = NSIntPointsToTwips(value.GetIntValue());
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font->mFixedFont.size = NSIntPointsToTwips(value.GetIntValue());
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font->mFlags |= NS_STYLE_FONT_SIZE_EXPLICIT;
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}
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else {
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// size: int, enum , NOTE: this does not count as an explicit size
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// also this has no effect if font is already explicit (quirk mode)
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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if ((eCompatibility_Standard == mode) ||
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(0 == (font->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT))) {
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aAttributes->GetAttribute(nsHTMLAtoms::size, value);
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if ((value.GetUnit() == eHTMLUnit_Integer) ||
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(value.GetUnit() == eHTMLUnit_Enumerated)) {
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PRInt32 size = value.GetIntValue();
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if (value.GetUnit() == eHTMLUnit_Integer) { // int (+/-)
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size = 3 + size; // XXX should be BASEFONT, not three
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}
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size = ((0 < size) ? ((size < 8) ? size : 7) : 1);
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PRInt32 scaler;
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aPresContext->GetFontScaler(&scaler);
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float scaleFactor = nsStyleUtil::GetScalingFactor(scaler);
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font->mFont.size =
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nsStyleUtil::CalcFontPointSize(size, (PRInt32)defaultFont.size,
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scaleFactor);
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font->mFixedFont.size =
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nsStyleUtil::CalcFontPointSize(size,
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(PRInt32)defaultFixedFont.size,
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scaleFactor);
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}
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}
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}
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// fontWeight: int, enum
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aAttributes->GetAttribute(nsHTMLAtoms::fontWeight, value);
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if (value.GetUnit() == eHTMLUnit_Integer) { // +/-
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PRInt32 intValue = (value.GetIntValue() / 100);
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PRInt32 weight = nsStyleUtil::ConstrainFontWeight(parentFont->mFont.weight +
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(intValue * NS_STYLE_FONT_WEIGHT_BOLDER));
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font->mFont.weight = weight;
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font->mFixedFont.weight = weight;
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}
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else if (value.GetUnit() == eHTMLUnit_Enumerated) {
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PRInt32 weight = value.GetIntValue();
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weight = nsStyleUtil::ConstrainFontWeight((weight / 100) * 100);
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font->mFont.weight = weight;
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font->mFixedFont.weight = weight;
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}
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NS_IF_RELEASE(parentContext);
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}
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}
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static void
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MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
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nsIMutableStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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if (nsnull != aAttributes) {
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nsHTMLValue value;
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// color: color
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if (NS_CONTENT_ATTR_NOT_THERE != aAttributes->GetAttribute(nsHTMLAtoms::color, value)) {
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const nsStyleFont* font = (const nsStyleFont*)
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aContext->GetStyleData(eStyleStruct_Font);
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nsStyleColor* color = (nsStyleColor*)
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aContext->GetMutableStyleData(eStyleStruct_Color);
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nsStyleText* text = (nsStyleText*)
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aContext->GetMutableStyleData(eStyleStruct_Text);
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if (((eHTMLUnit_Color == value.GetUnit())) ||
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(eHTMLUnit_ColorName == value.GetUnit())) {
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color->mColor = value.GetColorValue();
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text->mTextDecoration = font->mFont.decorations; // re-apply inherited text decoration, so colors sync
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}
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
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}
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NS_IMETHODIMP
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nsHTMLFontElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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if (aAttribute == nsHTMLAtoms::color) {
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aHint = NS_STYLE_HINT_VISUAL;
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}
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else if ((aAttribute == nsHTMLAtoms::face) ||
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(aAttribute == nsHTMLAtoms::pointSize) ||
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(aAttribute == nsHTMLAtoms::size) ||
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(aAttribute == nsHTMLAtoms::fontWeight)) {
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aHint = NS_STYLE_HINT_REFLOW;
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}
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else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
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aHint = NS_STYLE_HINT_CONTENT;
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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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nsHTMLFontElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
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nsMapAttributesFunc& aMapFunc) const
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{
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aFontMapFunc = &MapFontAttributesInto;
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aMapFunc = &MapAttributesInto;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLFontElement::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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return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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}
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NS_IMETHODIMP
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nsHTMLFontElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
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{
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return mInner.SizeOf(aSizer, aResult, sizeof(*this));
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}
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