зеркало из https://github.com/mozilla/gecko-dev.git
1090 строки
39 KiB
C++
1090 строки
39 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsCOMPtr.h"
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#include "nsFormControlHelper.h"
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#include "nsHTMLParts.h"
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#include "nsIHTMLContent.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIStyleContext.h"
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#include "nsLeafFrame.h"
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#include "nsCSSRendering.h"
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#include "nsHTMLIIDs.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsCoord.h"
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#include "nsWidgetsCID.h"
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#include "nsViewsCID.h"
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#include "nsIComponentManager.h"
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#include "nsGUIEvent.h"
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#include "nsDOMEvent.h"
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#include "nsIFontMetrics.h"
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#include "nsIFormControl.h"
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#include "nsIDeviceContext.h"
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#include "nsHTMLAtoms.h"
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#include "nsIButton.h" // remove this when GetCID is pure virtual
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#include "nsICheckButton.h" //remove this
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#include "nsITextWidget.h" //remove this
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#include "nsISupports.h"
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#include "nsStyleConsts.h"
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#include "nsUnitConversion.h"
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#include "nsStyleUtil.h"
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#include "nsFormFrame.h"
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#include "nsIContent.h"
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#include "nsStyleUtil.h"
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#include "nsINameSpaceManager.h"
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#include "nsIDOMHTMLInputElement.h"
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static NS_DEFINE_IID(kIWidgetIID, NS_IWIDGET_IID);
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
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static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
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static NS_DEFINE_IID(kIFrameIID, NS_IFRAME_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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nsFormControlHelper::nsFormControlHelper()
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{
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}
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nsFormControlHelper::~nsFormControlHelper()
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{
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}
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void nsFormControlHelper::ForceDrawFrame(nsIFrame * aFrame)
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{
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if (aFrame == nsnull) {
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return;
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}
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nsRect rect;
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nsIView * view;
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nsPoint pnt;
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aFrame->GetOffsetFromView(pnt, &view);
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aFrame->GetRect(rect);
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rect.x = pnt.x;
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rect.y = pnt.y;
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if (view != nsnull) {
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nsIViewManager * viewMgr;
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view->GetViewManager(viewMgr);
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if (viewMgr != nsnull) {
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viewMgr->UpdateView(view, rect, 0);
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NS_RELEASE(viewMgr);
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}
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}
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}
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PRBool nsFormControlHelper::GetBool(const nsString& aValue)
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{
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if (aValue == NS_STRING_TRUE)
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return(PR_TRUE);
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else
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return (PR_FALSE);
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}
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void nsFormControlHelper::GetBoolString(const PRBool aValue, nsString& aResult)
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{
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if (PR_TRUE == aValue)
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aResult = NS_STRING_TRUE;
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else
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aResult = NS_STRING_FALSE;
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}
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nsCompatibility
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nsFormControlHelper::GetRepChars(nsIPresContext& aPresContext, char& char1, char& char2)
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{
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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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char1 = 'm';
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char2 = 'a';
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return eCompatibility_Standard;
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} else {
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char1 = '%';
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char2 = '%';
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return eCompatibility_NavQuirks;
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}
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}
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nscoord
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nsFormControlHelper::GetTextSize(nsIPresContext& aPresContext, nsIFormControlFrame* aFrame,
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const nsString& aString, nsSize& aSize,
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nsIRenderingContext *aRendContext)
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{
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nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
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aFrame->GetFont(&aPresContext, font);
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nsCOMPtr<nsIDeviceContext> deviceContext;
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aPresContext.GetDeviceContext(getter_AddRefs(deviceContext));
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nsIFontMetrics* fontMet;
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deviceContext->GetMetricsFor(font, fontMet);
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aRendContext->SetFont(fontMet);
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aRendContext->GetWidth(aString, aSize.width);
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fontMet->GetHeight(aSize.height);
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NS_RELEASE(fontMet);
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char char1, char2;
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nsCompatibility mode = GetRepChars(aPresContext, char1, char2);
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nscoord char1Width, char2Width;
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aRendContext->GetWidth(char1, char1Width);
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aRendContext->GetWidth(char2, char2Width);
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if (eCompatibility_Standard == mode) {
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return ((char1Width + char2Width) / 2) + 1;
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} else {
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return char1Width;
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}
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}
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nscoord
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nsFormControlHelper::GetTextSize(nsIPresContext& aPresContext, nsIFormControlFrame* aFrame,
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PRInt32 aNumChars, nsSize& aSize,
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nsIRenderingContext *aRendContext)
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{
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nsAutoString val;
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char char1, char2;
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GetRepChars(aPresContext, char1, char2);
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int i;
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for (i = 0; i < aNumChars; i+=2) {
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val += char1;
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}
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for (i = 1; i < aNumChars; i+=2) {
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val += char2;
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}
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return GetTextSize(aPresContext, aFrame, val, aSize, aRendContext);
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}
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PRInt32
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nsFormControlHelper::CalculateSize (nsIPresContext* aPresContext,
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nsIRenderingContext* aRendContext,
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nsIFormControlFrame* aFrame,
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const nsSize& aCSSSize,
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nsInputDimensionSpec& aSpec,
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nsSize& aDesiredSize,
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nsSize& aMinSize,
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PRBool& aWidthExplicit,
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PRBool& aHeightExplicit,
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nscoord& aRowHeight)
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{
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nscoord charWidth = 0;
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PRInt32 numRows = ATTR_NOTSET;
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aWidthExplicit = PR_FALSE;
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aHeightExplicit = PR_FALSE;
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aDesiredSize.width = CSS_NOTSET;
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aDesiredSize.height = CSS_NOTSET;
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nsIContent* iContent = nsnull;
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aFrame->GetFormContent((nsIContent*&) iContent);
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if (!iContent) {
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return 0;
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}
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nsIHTMLContent* hContent = nsnull;
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nsresult result = iContent->QueryInterface(kIHTMLContentIID, (void**)&hContent);
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if ((NS_OK != result) || !hContent) {
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NS_RELEASE(iContent);
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return 0;
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}
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nsAutoString valAttr;
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nsresult valStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mColValueAttr) {
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valStatus = hContent->GetAttribute(kNameSpaceID_HTML, aSpec.mColValueAttr, valAttr);
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}
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nsHTMLValue colAttr;
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nsresult colStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mColSizeAttr) {
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colStatus = hContent->GetHTMLAttribute(aSpec.mColSizeAttr, colAttr);
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}
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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#if 0
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// determine if it is percentage based width, height
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PRBool percentageWidth = PR_FALSE;
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PRBool percentageHeight = PR_FALSE;
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const nsStylePosition* pos;
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nsIFrame* iFrame = nsnull;
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nsresult rv = aFrame->QueryInterface(kIFrameIID, (void**)&iFrame);
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if ((NS_OK == rv) && (nsnull != iFrame)) {
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iFrame->GetStyleData(eStyleStruct_Position, (const nsStyleStruct*&)pos);
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if (eStyleUnit_Percent == pos->mWidth.GetUnit()) {
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percentageWidth = PR_TRUE;
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}
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if (eStyleUnit_Percent == pos->mWidth.GetUnit()) {
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percentageHeight = PR_TRUE;
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}
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}
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#endif
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// determine the width, char height, row height
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if (NS_CONTENT_ATTR_HAS_VALUE == colStatus) { // col attr will provide width
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PRInt32 col = ((colAttr.GetUnit() == eHTMLUnit_Pixel) ? colAttr.GetPixelValue() : colAttr.GetIntValue());
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if (aSpec.mColSizeAttrInPixels) {
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// need to set charWidth and aDesiredSize.height
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charWidth = GetTextSize(*aPresContext, aFrame, 1, aDesiredSize, aRendContext);
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col = (col <= 0) ? 15 : col; // XXX why a default of 15 pixels, why hide it
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// XXX this conflicts with a default of 20 found in nsTextControlFrame.
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aDesiredSize.width = NSIntPixelsToTwips(col, p2t);
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} else {
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col = (col <= 0) ? 1 : col; // XXX why a default of 1 char, why hide it
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charWidth = GetTextSize(*aPresContext, aFrame, col, aDesiredSize, aRendContext);
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}
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if (aSpec.mColSizeAttrInPixels) {
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aWidthExplicit = PR_TRUE;
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}
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aMinSize.width = aDesiredSize.width;
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} else {
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// set aDesiredSize for height calculation below. CSS may override width
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if (NS_CONTENT_ATTR_HAS_VALUE == valStatus) { // use width of initial value
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charWidth = GetTextSize(*aPresContext, aFrame, valAttr, aDesiredSize, aRendContext);
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} else if (aSpec.mColDefaultValue) { // use default value
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charWidth = GetTextSize(*aPresContext, aFrame, *aSpec.mColDefaultValue, aDesiredSize, aRendContext);
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} else if (aSpec.mColDefaultSizeInPixels) { // use default width in pixels
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charWidth = GetTextSize(*aPresContext, aFrame, 1, aDesiredSize, aRendContext);
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aDesiredSize.width = aSpec.mColDefaultSize;
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} else { // use default width in num characters
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charWidth = GetTextSize(*aPresContext, aFrame, aSpec.mColDefaultSize, aDesiredSize, aRendContext);
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}
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aMinSize.width = aDesiredSize.width;
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if (CSS_NOTSET != aCSSSize.width) { // css provides width
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NS_ASSERTION(aCSSSize.width >= 0, "form control's computed width is < 0");
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if (NS_INTRINSICSIZE != aCSSSize.width) {
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aDesiredSize.width = PR_MAX(aDesiredSize.width,aCSSSize.width);
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aWidthExplicit = PR_TRUE;
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}
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}
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}
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aRowHeight = aDesiredSize.height;
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aMinSize.height = aDesiredSize.height;
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// determine the height
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nsHTMLValue rowAttr;
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nsresult rowStatus = NS_CONTENT_ATTR_NOT_THERE;
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if (nsnull != aSpec.mRowSizeAttr) {
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rowStatus = hContent->GetHTMLAttribute(aSpec.mRowSizeAttr, rowAttr);
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}
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if (NS_CONTENT_ATTR_HAS_VALUE == rowStatus) { // row attr will provide height
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PRInt32 rowAttrInt = ((rowAttr.GetUnit() == eHTMLUnit_Pixel)
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? rowAttr.GetPixelValue() : rowAttr.GetIntValue());
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numRows = (rowAttrInt > 0) ? rowAttrInt : 1;
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aDesiredSize.height = aDesiredSize.height * numRows;
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} else {
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aDesiredSize.height = aDesiredSize.height * aSpec.mRowDefaultSize;
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if (CSS_NOTSET != aCSSSize.height) { // css provides height
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NS_ASSERTION(aCSSSize.height > 0, "form control's computed height is <= 0");
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if (NS_INTRINSICSIZE != aCSSSize.height) {
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aDesiredSize.height = PR_MAX(aDesiredSize.height,aCSSSize.height);
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aHeightExplicit = PR_TRUE;
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}
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}
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}
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nsWidgetRendering mode;
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aPresContext->GetWidgetRenderingMode(&mode);
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// only add in padding if we are not Gfx, or if we're a Gfx text widget
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PRBool requiresWidget = PR_FALSE;
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aFrame->RequiresWidget(requiresWidget);
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PRInt32 type;
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aFrame->GetType(&type);
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if (PR_TRUE == requiresWidget || eWidgetRendering_Native == mode ||
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type==NS_FORM_INPUT_TEXT || type==NS_FORM_TEXTAREA || type==NS_FORM_INPUT_PASSWORD)
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{
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// if (!aWidthExplicit && mode == eWidgetRendering_Native) {
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if (!aWidthExplicit) {
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PRInt32 hPadding = (2 * aFrame->GetHorizontalInsidePadding(*aPresContext, p2t, aDesiredSize.width, charWidth));
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aDesiredSize.width += hPadding;
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aMinSize.width += hPadding;
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}
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// if (!aHeightExplicit && mode == eWidgetRendering_Native) {
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if (!aHeightExplicit) {
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PRInt32 vPadding = (2 * aFrame->GetVerticalInsidePadding(p2t, aRowHeight));
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aDesiredSize.height += vPadding;
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aMinSize.height += vPadding;
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}
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}
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NS_RELEASE(hContent);
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if (ATTR_NOTSET == numRows) {
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numRows = (aRowHeight > 0) ? (aDesiredSize.height / aRowHeight) : 0;
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}
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NS_RELEASE(iContent);
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return numRows;
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}
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// this handles all of the input types rather than having them do it.
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void
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nsFormControlHelper::GetFont(nsIFormControlFrame * aFormFrame,
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nsIPresContext* aPresContext,
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nsIStyleContext * aStyleContext,
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nsFont& aFont)
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{
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const nsStyleFont* styleFont = (const nsStyleFont*)aStyleContext->GetStyleData(eStyleStruct_Font);
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nsWidgetRendering m;
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aPresContext->GetWidgetRenderingMode(&m);
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// only add in padding if we are not Gfx, excluding the text widgets
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PRBool requiresWidget = PR_FALSE;
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aFormFrame->RequiresWidget(requiresWidget);
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PRInt32 type;
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aFormFrame->GetType(&type);
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if (type!=NS_FORM_INPUT_TEXT &&
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type!=NS_FORM_TEXTAREA &&
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type!=NS_FORM_INPUT_PASSWORD) {
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if (PR_TRUE != requiresWidget && eWidgetRendering_Gfx == m) {
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aFont = styleFont->mFont;
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return;
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}
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}
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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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aFont = styleFont->mFont;
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return;
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}
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switch (type) {
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case NS_FORM_INPUT_TEXT:
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case NS_FORM_TEXTAREA:
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case NS_FORM_INPUT_PASSWORD:
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aFont = styleFont->mFixedFont;
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break;
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case NS_FORM_INPUT_BUTTON:
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case NS_FORM_INPUT_SUBMIT:
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case NS_FORM_INPUT_RESET:
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case NS_FORM_SELECT:
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if ((styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT) ||
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(styleFont->mFlags & NS_STYLE_FONT_SIZE_EXPLICIT)) {
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aFont = styleFont->mFixedFont;
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aFont.weight = NS_FONT_WEIGHT_NORMAL; // always normal weight
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aFont.size = styleFont->mFont.size; // normal font size
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if (0 == (styleFont->mFlags & NS_STYLE_FONT_FACE_EXPLICIT)) {
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aFont.name = "Arial"; // XXX windows specific font
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}
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} else {
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// use arial, scaled down one HTML size
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// italics, decoration & variant(?) get used
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aFont = styleFont->mFont;
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aFont.name = "Arial"; // XXX windows specific font
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aFont.weight = NS_FONT_WEIGHT_NORMAL;
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const nsFont& normal = aPresContext->GetDefaultFontDeprecated();
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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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PRInt32 fontIndex = nsStyleUtil::FindNextSmallerFontSize(aFont.size, (PRInt32)normal.size, scaleFactor);
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aFont.size = nsStyleUtil::CalcFontPointSize(fontIndex, (PRInt32)normal.size, scaleFactor);
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}
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break;
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}
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}
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//
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//-------------------------------------------------------------------------------------
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// Utility methods for rendering Form Elements using GFX
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//-------------------------------------------------------------------------------------
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//
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void
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nsFormControlHelper::PaintLine(nsIRenderingContext& aRenderingContext,
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nscoord aSX, nscoord aSY, nscoord aEX, nscoord aEY,
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PRBool aHorz, nscoord aWidth, nscoord aOnePixel)
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{
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nsPoint p[5];
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if (aHorz) {
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aEX++;
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p[0].x = nscoord(float(aSX)*aOnePixel);
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p[0].y = nscoord(float(aSY)*aOnePixel);
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p[1].x = nscoord(float(aEX)*aOnePixel);
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p[1].y = nscoord(float(aEY)*aOnePixel);
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p[2].x = nscoord(float(aEX)*aOnePixel);
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p[2].y = nscoord(float(aEY+1)*aOnePixel);
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p[3].x = nscoord(float(aSX)*aOnePixel);
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p[3].y = nscoord(float(aSY+1)*aOnePixel);
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p[4].x = nscoord(float(aSX)*aOnePixel);
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p[4].y = nscoord(float(aSY)*aOnePixel);
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} else {
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aEY++;
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p[0].x = nscoord(float(aSX)*aOnePixel);
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p[0].y = nscoord(float(aSY)*aOnePixel);
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p[1].x = nscoord(float(aEX)*aOnePixel);
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p[1].y = nscoord(float(aEY)*aOnePixel);
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p[2].x = nscoord(float(aEX+1)*aOnePixel);
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p[2].y = nscoord(float(aEY)*aOnePixel);
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p[3].x = nscoord(float(aSX+1)*aOnePixel);
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p[3].y = nscoord(float(aSY)*aOnePixel);
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p[4].x = nscoord(float(aSX)*aOnePixel);
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p[4].y = nscoord(float(aSY)*aOnePixel);
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}
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aRenderingContext.FillPolygon(p, 5);
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}
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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//---------------------------------------------------------------------------
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// Offset for arrow centerpoint
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static const nscoord nsArrowOffsetX = 3;
|
|
static const nscoord nsArrowOffsetY = 3;
|
|
static nscoord nsArrowRightPoints[] = {0, 0, 0, 6, 6, 3 };
|
|
static nscoord nsArrowLeftPoints[] = {0, 3, 6, 0, 6, 6 };
|
|
static nscoord nsArrowUpPoints[] = {3, 0, 6, 6, 0, 6 };
|
|
static nscoord nsArrowDownPoints[] = {0, 0, 3, 6, 6, 0 };
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::SetupPoints(PRUint32 aNumberOfPoints, nscoord* aPoints, nsPoint* aPolygon, nscoord aScaleFactor, nscoord aX, nscoord aY,
|
|
nscoord aCenterX, nscoord aCenterY)
|
|
{
|
|
const nscoord offsetX = aCenterX * aScaleFactor;
|
|
const nscoord offsetY = aCenterY * aScaleFactor;
|
|
|
|
PRUint32 i = 0;
|
|
PRUint32 count = 0;
|
|
for (i = 0; i < aNumberOfPoints; i++) {
|
|
aPolygon[i].x = (aPoints[count] * aScaleFactor) + aX - offsetX;
|
|
count++;
|
|
aPolygon[i].y = (aPoints[count] * aScaleFactor) + aY - offsetY;
|
|
count++;
|
|
}
|
|
}
|
|
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintArrowGlyph(nsIRenderingContext& aRenderingContext,
|
|
nscoord aSX, nscoord aSY, nsArrowDirection aArrowDirection,
|
|
nscoord aOnePixel)
|
|
{
|
|
nsPoint polygon[3];
|
|
|
|
switch(aArrowDirection)
|
|
{
|
|
case eArrowDirection_Left:
|
|
SetupPoints(3, nsArrowLeftPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Right:
|
|
SetupPoints(3, nsArrowRightPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Up:
|
|
SetupPoints(3, nsArrowUpPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
|
|
case eArrowDirection_Down:
|
|
SetupPoints(3, nsArrowDownPoints, polygon, aOnePixel, aSX, aSY, nsArrowOffsetX, nsArrowOffsetY);
|
|
break;
|
|
}
|
|
|
|
aRenderingContext.FillPolygon(polygon, 3);
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintArrow(nsArrowDirection aArrowDirection,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIPresContext& aPresContext,
|
|
const nsRect& aDirtyRect,
|
|
nsRect& aRect,
|
|
nscoord aOnePixel,
|
|
nsIStyleContext* aArrowStyle,
|
|
const nsStyleSpacing& aSpacing,
|
|
nsIFrame* aForFrame,
|
|
nsRect& aFrameRect)
|
|
{
|
|
// Draw border using CSS
|
|
const nsStyleColor* color = (const nsStyleColor*)
|
|
aArrowStyle->GetStyleData(eStyleStruct_Color);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, *color, aSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, aSpacing, aArrowStyle, 0);
|
|
|
|
// Draw the glyph in black
|
|
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
|
|
// Draw arrow centered in the rectangle
|
|
PaintArrowGlyph(aRenderingContext, aRect.x + (aRect.width / 2), aRect.y + (aRect.height / 2), aArrowDirection, aOnePixel);
|
|
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
void
|
|
nsFormControlHelper::PaintScrollbar(nsIRenderingContext& aRenderingContext,
|
|
nsIPresContext& aPresContext,
|
|
const nsRect& aDirtyRect,
|
|
nsRect& aRect,
|
|
PRBool aHorizontal,
|
|
nscoord aOnePixel,
|
|
nsIStyleContext* aScrollbarStyleContext,
|
|
nsIStyleContext* aScrollbarArrowStyleContext,
|
|
nsIFrame* aForFrame,
|
|
nsRect& aFrameRect)
|
|
{
|
|
// Get the Scrollbar's Style structs
|
|
const nsStyleColor* scrollbarColor =
|
|
(const nsStyleColor*)aScrollbarStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
// Get the Scrollbar's Arrow's Style structs
|
|
const nsStyleSpacing* arrowSpacing =
|
|
(const nsStyleSpacing*)aScrollbarArrowStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleColor* arrowColor =
|
|
(const nsStyleColor*)aScrollbarArrowStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
// Paint background for scrollbar
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, aRect, *scrollbarColor, *arrowSpacing, 0, 0);
|
|
|
|
if (PR_TRUE == aHorizontal) {
|
|
// Draw horizontal Arrow
|
|
nscoord arrowWidth = aRect.height;
|
|
nsRect arrowLeftRect(aRect.x, aRect.y, arrowWidth, arrowWidth);
|
|
PaintArrow(eArrowDirection_Left,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowLeftRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
nsRect thumbRect(aRect.x+arrowWidth, aRect.y, arrowWidth, arrowWidth);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowColor, *arrowSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowSpacing,aScrollbarArrowStyleContext, 0);
|
|
|
|
nsRect arrowRightRect(aRect.x + (aRect.width - arrowWidth), aRect.y, arrowWidth, arrowWidth);
|
|
PaintArrow(eArrowDirection_Right,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowRightRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
}
|
|
else {
|
|
// Paint vertical arrow
|
|
nscoord arrowHeight = aRect.width;
|
|
nsRect arrowUpRect(aRect.x, aRect.y, arrowHeight, arrowHeight);
|
|
PaintArrow(eArrowDirection_Up,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowUpRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
|
|
nsRect thumbRect(aRect.x, aRect.y+arrowHeight, arrowHeight, arrowHeight);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowColor, *arrowSpacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, thumbRect, *arrowSpacing,aScrollbarArrowStyleContext, 0);
|
|
|
|
nsRect arrowDownRect(aRect.x, aRect.y + (aRect.height - arrowHeight), arrowHeight, arrowHeight);
|
|
PaintArrow(eArrowDirection_Down,aRenderingContext,aPresContext,
|
|
aDirtyRect, arrowDownRect,aOnePixel, aScrollbarArrowStyleContext,
|
|
*arrowSpacing, aForFrame, aFrameRect);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintFixedSizeCheckMark(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips)
|
|
{
|
|
|
|
// Offsets to x,y location, These offsets are used to place the checkmark in the middle
|
|
// of it's 12X12 pixel box.
|
|
const PRUint32 ox = 3;
|
|
const PRUint32 oy = 3;
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, aPixelsToTwips);
|
|
|
|
// Draw checkmark using a series of rectangles. This builds an replica of the
|
|
// way the checkmark looks under Windows. Using a polygon does not correctly
|
|
// represent a checkmark under Windows. This is due to round-off error in the
|
|
// Twips to Pixel conversions.
|
|
PaintLine(aRenderingContext, 0 + ox, 2 + oy, 0 + ox, 4 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1 + ox, 3 + oy, 1 + ox, 5 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2 + ox, 4 + oy, 2 + ox, 6 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 3 + ox, 3 + oy, 3 + ox, 5 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 4 + ox, 2 + oy, 4 + ox, 4 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 5 + ox, 1 + oy, 5 + ox, 3 + oy, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 6 + ox, 0 + oy, 6 + ox, 2 + oy, PR_FALSE, 1, onePixel);
|
|
}
|
|
|
|
void
|
|
nsFormControlHelper::PaintFixedSizeCheckMarkBorder(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips, const nsStyleColor& aBackgroundColor)
|
|
{
|
|
// Offsets to x,y location
|
|
PRUint32 ox = 0;
|
|
PRUint32 oy = 0;
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, aPixelsToTwips);
|
|
nscoord twelvePixels = NSIntPixelsToTwips(12, aPixelsToTwips);
|
|
|
|
// Draw Background
|
|
aRenderingContext.SetColor(aBackgroundColor.mColor);
|
|
nsRect rect(0, 0, twelvePixels, twelvePixels);
|
|
aRenderingContext.FillRect(rect);
|
|
|
|
// Draw Border
|
|
aRenderingContext.SetColor(NS_RGB(128, 128, 128));
|
|
PaintLine(aRenderingContext, 0 + ox, 0 + oy, 11 + ox, 0 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 0 + ox, 0 + oy, 0 + ox, 11 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
|
|
PaintLine(aRenderingContext, 1 + ox, 11 + oy, 11 + ox, 11 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 11 + ox, 1 + oy, 11 + ox, 11 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(0, 0, 0));
|
|
PaintLine(aRenderingContext, 1 + ox, 1 + oy, 10 + ox, 1 + oy, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1 + ox, 1 + oy, 1 + ox, 10 + oy, PR_FALSE, 1, onePixel);
|
|
|
|
}
|
|
|
|
//Draw a checkmark in any size.
|
|
void
|
|
nsFormControlHelper::PaintCheckMark(nsIRenderingContext& aRenderingContext,
|
|
float aPixelsToTwips, const nsRect & aRect)
|
|
{
|
|
// Width and height of the fixed size checkmark in TWIPS.
|
|
const PRInt32 fixedSizeCheckmarkWidth = 165;
|
|
const PRInt32 fixedSizeCheckmarkHeight = 165;
|
|
|
|
if ((fixedSizeCheckmarkWidth == aRect.width) &&
|
|
(fixedSizeCheckmarkHeight == aRect.height)) {
|
|
// Standard size, so draw a fixed size check mark instead of a scaled check mark.
|
|
PaintFixedSizeCheckMark(aRenderingContext, aPixelsToTwips);
|
|
return;
|
|
}
|
|
|
|
const PRUint32 checkpoints = 7;
|
|
const PRUint32 checksize = 9; //This is value is determined by added 2 units to the end
|
|
//of the 7X& pixel rectangle below to provide some white space
|
|
//around the checkmark when it is rendered.
|
|
|
|
// Points come from the coordinates on a 7X7 pixels
|
|
// box with 0,0 at the lower left.
|
|
nscoord checkedPolygonDef[] = {0,2, 2,4, 6,0 , 6,2, 2,6, 0,4, 0,2 };
|
|
// Location of the center point of the checkmark
|
|
const PRUint32 centerx = 3;
|
|
const PRUint32 centery = 3;
|
|
|
|
nsPoint checkedPolygon[checkpoints];
|
|
PRUint32 defIndex = 0;
|
|
PRUint32 polyIndex = 0;
|
|
|
|
// Scale the checkmark based on the smallest dimension
|
|
PRUint32 size = aRect.width / checksize;
|
|
if (aRect.height < aRect.width) {
|
|
size = aRect.height / checksize;
|
|
}
|
|
|
|
// Center and offset each point in the polygon definition.
|
|
for (defIndex = 0; defIndex < (checkpoints * 2); defIndex++) {
|
|
checkedPolygon[polyIndex].x = nscoord((((checkedPolygonDef[defIndex]) - centerx) * (size)) + (aRect.width / 2) + aRect.x);
|
|
defIndex++;
|
|
checkedPolygon[polyIndex].y = nscoord((((checkedPolygonDef[defIndex]) - centery) * (size)) + (aRect.height / 2) + aRect.y);
|
|
polyIndex++;
|
|
}
|
|
|
|
aRenderingContext.FillPolygon(checkedPolygon, checkpoints);
|
|
}
|
|
|
|
void
|
|
nsFormControlHelper::PaintFocus(nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsRect& aInside, nsRect& aOutside)
|
|
|
|
{
|
|
// draw dashed line to indicate selection, XXX don't calc rect every time
|
|
PRUint8 borderStyles[4];
|
|
nscolor borderColors[4];
|
|
nscolor black = NS_RGB(0,0,0);
|
|
for (PRInt32 i = 0; i < 4; i++) {
|
|
borderStyles[i] = NS_STYLE_BORDER_STYLE_DOTTED;
|
|
borderColors[i] = black;
|
|
}
|
|
nsCSSRendering::DrawDashedSides(0, aRenderingContext, borderStyles, borderColors, aOutside,
|
|
aInside, PR_FALSE, nsnull);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintRectangularButton(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, const nsRect& aRect,
|
|
PRBool aPressed,
|
|
PRBool aShowFocus,
|
|
PRBool aDisabled,
|
|
PRBool aDrawOutline,
|
|
nsIStyleContext* outlineStyle,
|
|
nsIStyleContext* focusStyle,
|
|
nsIStyleContext* aStyleContext,
|
|
nsString& aLabel,
|
|
nsIFrame* aForFrame)
|
|
|
|
{
|
|
nsIFormControlFrame * formFrame;
|
|
nsresult result = aForFrame->QueryInterface(kIFormControlFrameIID, (void**)&formFrame);
|
|
if (NS_OK != result) {
|
|
NS_RELEASE(formFrame);
|
|
}
|
|
|
|
aRenderingContext.PushState();
|
|
// Draw border using CSS
|
|
// Get the Scrollbar's Arrow's Style structs
|
|
const nsStyleSpacing* spacing =
|
|
(const nsStyleSpacing*)aStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleColor* color =
|
|
(const nsStyleColor*)aStyleContext->GetStyleData(eStyleStruct_Color);
|
|
|
|
|
|
nsRect rect(aRect.x, aRect.y, aRect.width, aRect.height);
|
|
|
|
const nsStyleSpacing* outline = (const nsStyleSpacing*)outlineStyle->GetStyleData(eStyleStruct_Spacing);
|
|
const nsStyleSpacing* focus = (const nsStyleSpacing*)focusStyle->GetStyleData(eStyleStruct_Spacing);
|
|
|
|
nsMargin outlineBorder;
|
|
outline->CalcBorderFor(aForFrame, outlineBorder);
|
|
|
|
nsMargin focusBorder;
|
|
focus->CalcBorderFor(aForFrame, focusBorder);
|
|
|
|
int left = (focusBorder.left > outlineBorder.left) ? focusBorder.left : outlineBorder.left;
|
|
int right = (focusBorder.right > outlineBorder.right) ? focusBorder.right : outlineBorder.right;
|
|
int top = (focusBorder.top > outlineBorder.top) ? focusBorder.top : outlineBorder.top;
|
|
int bottom = (focusBorder.bottom > outlineBorder.bottom) ? focusBorder.bottom : outlineBorder.bottom;
|
|
|
|
if (aShowFocus) {
|
|
int l = left - focusBorder.left;
|
|
int t = top - focusBorder.top;
|
|
int b = bottom - focusBorder.bottom;
|
|
int r = right - focusBorder.right;
|
|
|
|
int w = aRect.width - (l + r);
|
|
int h = aRect.height - (t + b);
|
|
|
|
nsRect focusRect(l, t, w, h);
|
|
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, focusRect, *focus, aStyleContext, 0);
|
|
}
|
|
|
|
if (aDrawOutline) {
|
|
int l = left - outlineBorder.left;
|
|
int t = top - outlineBorder.top;
|
|
int b = bottom - outlineBorder.bottom;
|
|
int r = right - outlineBorder.right;
|
|
|
|
int w = aRect.width - (l + r);
|
|
int h = aRect.height - (t + b);
|
|
|
|
nsRect outlineRect(l, t, w, h);
|
|
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, outlineRect, *outline, aStyleContext, 0);
|
|
}
|
|
|
|
rect.x += left;
|
|
rect.y += right;
|
|
rect.width -= (left + right);
|
|
rect.height -= (top + bottom);
|
|
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, rect, *color, *spacing, 0, 0);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aForFrame,
|
|
aDirtyRect, rect, *spacing,aStyleContext, 0);
|
|
|
|
nsMargin border;
|
|
spacing->CalcBorderFor(aForFrame, border);
|
|
|
|
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
|
|
nsRect outside(aRect.x, aRect.y, aRect.width, aRect.height);
|
|
outside.Deflate(border);
|
|
outside.Deflate(onePixel, onePixel);
|
|
|
|
nsRect inside(outside);
|
|
inside.Deflate(onePixel, onePixel);
|
|
|
|
/*
|
|
if (aShowFocus) {
|
|
PaintFocus(aRenderingContext,
|
|
aDirtyRect, inside, outside);
|
|
}
|
|
*/
|
|
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
|
|
float appUnits;
|
|
float devUnits;
|
|
float scale;
|
|
nsIDeviceContext * context;
|
|
aRenderingContext.GetDeviceContext(context);
|
|
|
|
context->GetCanonicalPixelScale(scale);
|
|
context->GetAppUnitsToDevUnits(devUnits);
|
|
context->GetDevUnitsToAppUnits(appUnits);
|
|
|
|
nsFont font(aPresContext.GetDefaultFixedFontDeprecated());
|
|
formFrame->GetFont(&aPresContext, font);
|
|
|
|
aRenderingContext.SetFont(font);
|
|
|
|
nscoord ascent;
|
|
nscoord descent;
|
|
|
|
nscoord textWidth;
|
|
nscoord textHeight;
|
|
aRenderingContext.GetWidth(aLabel, textWidth);
|
|
|
|
nsIFontMetrics* metrics;
|
|
context->GetMetricsFor(font, metrics);
|
|
metrics->GetMaxAscent(ascent);
|
|
metrics->GetMaxDescent(descent);
|
|
textHeight = ascent + descent;
|
|
|
|
nscoord x = ((inside.width - textWidth) / 2) + inside.x;
|
|
nscoord y = ((inside.height - textHeight) / 2) + inside.y;
|
|
if (PR_TRUE == aPressed) {
|
|
x += onePixel;
|
|
y += onePixel;
|
|
}
|
|
|
|
if (aDisabled) {
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.DrawString(aLabel, x+onePixel, y+onePixel);
|
|
}
|
|
|
|
aRenderingContext.SetColor(color->mColor);
|
|
aRenderingContext.DrawString(aLabel, x, y);
|
|
|
|
NS_RELEASE(context);
|
|
PRBool clipEmpty;
|
|
aRenderingContext.PopState(clipEmpty);
|
|
|
|
NS_RELEASE(formFrame);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::GetCircularRect(PRUint32 aWidth, PRUint32 aHeight, nsRect& aRect)
|
|
{
|
|
if (aWidth > aHeight)
|
|
aRect.SetRect((aWidth/2) - (aHeight/2), 0, aHeight, aHeight);
|
|
else
|
|
aRect.SetRect(0, (aHeight/2) - (aWidth/2), aWidth, aWidth);
|
|
}
|
|
|
|
|
|
void
|
|
nsFormControlHelper::PaintCircularBackground(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsIStyleContext* aStyleContext, PRBool aInset,
|
|
nsIFrame* aForFrame, PRUint32 aWidth, PRUint32 aHeight)
|
|
{
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
|
|
nsRect outside;
|
|
nsFormControlHelper::GetCircularRect(aWidth, aHeight, outside);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
const nsStyleColor* color = (const nsStyleColor*)
|
|
aStyleContext->GetStyleData(eStyleStruct_Color);
|
|
aRenderingContext.SetColor(color->mBackgroundColor);
|
|
aRenderingContext.FillArc(outside, 0, 180);
|
|
aRenderingContext.FillArc(outside, 180, 360);
|
|
}
|
|
|
|
//XXX: TODO Remove this. It is no longer needed since circular borders
|
|
//are painted by the standard border code by setting a border radius
|
|
//to 1/2 the width of the border
|
|
void
|
|
nsFormControlHelper::PaintCircularBorder(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect, nsIStyleContext* aStyleContext, PRBool aInset,
|
|
nsIFrame* aForFrame, PRUint32 aWidth, PRUint32 aHeight)
|
|
{
|
|
const PRUint32 standardWidth = 180;
|
|
const PRUint32 standardHeight = 180;
|
|
|
|
aRenderingContext.PushState();
|
|
|
|
float p2t;
|
|
aPresContext.GetScaledPixelsToTwips(&p2t);
|
|
|
|
const nsStyleSpacing* spacing = (const nsStyleSpacing*)aStyleContext->GetStyleData(eStyleStruct_Spacing);
|
|
nsMargin border;
|
|
spacing->CalcBorderFor(aForFrame, border);
|
|
|
|
nscoord onePixel = NSIntPixelsToTwips(1, p2t);
|
|
nscoord twelvePixels = NSIntPixelsToTwips(12, p2t);
|
|
|
|
nsRect outside(0, 0, aWidth, aHeight);
|
|
|
|
PRBool standardSize = ((aWidth == standardWidth) && (aHeight == standardHeight));
|
|
if (PR_TRUE == standardSize) {
|
|
outside.SetRect(0, 0, twelvePixels, twelvePixels);
|
|
|
|
if (PR_TRUE == aInset) {
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
aRenderingContext.SetColor(NS_RGB(192,192,192));
|
|
aRenderingContext.FillArc(outside, 0, 180);
|
|
aRenderingContext.FillArc(outside, 180, 360);
|
|
outside.SetRect(0, 0, twelvePixels, twelvePixels);
|
|
}
|
|
|
|
// DrakGray
|
|
// PRUint8 borderStyle = aBorderStyle.GetBorderStyle(NS_SIDE_TOP),
|
|
// nscolor borderColor = aBorderStyle.GetBorderColor(NS_SIDE_TOP),
|
|
|
|
aRenderingContext.SetColor(NS_RGB(128,128,128));
|
|
// aRenderingContext.SetColor(borderColor);
|
|
PaintLine(aRenderingContext, 4, 0, 7, 0, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 1, 3, 1, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 1, 9, 1, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 1, 2, 1, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 0, 4, 0, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1, 8, 1, 9, PR_FALSE, 1, onePixel);
|
|
|
|
// Black
|
|
// nscolor borderColor = aBorderStyle.GetBorderColor(NS_SIDE_BOTTOM);
|
|
// aRenderingContext.SetColor(borderColor);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
PaintLine(aRenderingContext, 4, 1, 7, 1, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 2, 3, 2, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 2, 9, 2, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 2, 2, 2, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 1, 4, 1, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 2, 8, 2, 8, PR_FALSE, 1, onePixel);
|
|
|
|
// Gray
|
|
aRenderingContext.SetColor(NS_RGB(192, 192, 192));
|
|
PaintLine(aRenderingContext, 2, 9, 3, 9, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 8, 9, 9, 9, PR_TRUE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 4, 10, 7, 10, PR_TRUE, 1, onePixel);
|
|
|
|
PaintLine(aRenderingContext, 9, 3, 9, 3, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 10, 4, 10, 7, PR_FALSE, 1, onePixel);
|
|
PaintLine(aRenderingContext, 9, 8, 9, 9, PR_FALSE, 1, onePixel);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
outside.Deflate(onePixel, onePixel);
|
|
} else {
|
|
nsFormControlHelper::GetCircularRect(aWidth, aHeight, outside);
|
|
|
|
aRenderingContext.SetColor(NS_RGB(128,128,128));
|
|
aRenderingContext.FillArc(outside, 46, 225);
|
|
aRenderingContext.SetColor(NS_RGB(255,255,255));
|
|
aRenderingContext.FillArc(outside, 225, 360);
|
|
aRenderingContext.FillArc(outside, 0, 44);
|
|
|
|
outside.Deflate(onePixel, onePixel);
|
|
aRenderingContext.SetColor(NS_RGB(0,0,0));
|
|
aRenderingContext.FillArc(outside, 46, 225);
|
|
aRenderingContext.SetColor(NS_RGB(192,192,192));
|
|
aRenderingContext.FillArc(outside, 225, 360);
|
|
aRenderingContext.FillArc(outside, 0, 44);
|
|
}
|
|
|
|
PRBool clip;
|
|
aRenderingContext.PopState(clip);
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetName(nsIContent* aContent,nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (nsnull != aContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
nsHTMLValue value;
|
|
result = formControl->GetHTMLAttribute(nsHTMLAtoms::name, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(*aResult);
|
|
}
|
|
}
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetValue(nsIContent* aContent, nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (nsnull != aContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = aContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
nsHTMLValue value;
|
|
result = formControl->GetHTMLAttribute(nsHTMLAtoms::value, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(*aResult);
|
|
}
|
|
}
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlHelper::GetInputElementValue(nsIContent* aContent, nsString* aText, PRBool aInitialValue)
|
|
{
|
|
nsresult result = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElem = nsnull;
|
|
result = aContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElem);
|
|
if ((NS_OK == result) && inputElem) {
|
|
if (PR_TRUE == aInitialValue) {
|
|
result = inputElem->GetDefaultValue(*aText);
|
|
}
|
|
else {
|
|
result = inputElem->GetValue(*aText);
|
|
}
|
|
|
|
NS_RELEASE(inputElem);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
|