/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsGfxCheckboxControlFrame.h" #include "nsHTMLAtoms.h" #include "nsHTMLParts.h" #include "nsIFormControl.h" #include "nsIContent.h" #include "nsIComponentManager.h" #include "nsHTMLAtoms.h" #include "nsIPresShell.h" #include "nsIDocument.h" #include "nsCSSRendering.h" #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" #include "nsIDOMHTMLInputElement.h" #include "nsITheme.h" #include "imgIRequest.h" #include "nsDisplayList.h" #include "nsFormControlHelper.h" //------------------------------------------------------------ nsIFrame* NS_NewGfxCheckboxControlFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) { return new (aPresShell) nsGfxCheckboxControlFrame(aContext); } //------------------------------------------------------------ // Initialize GFX-rendered state nsGfxCheckboxControlFrame::nsGfxCheckboxControlFrame(nsStyleContext* aContext) : nsFormControlFrame(aContext), mCheckButtonFaceStyle(nsnull) { } nsGfxCheckboxControlFrame::~nsGfxCheckboxControlFrame() { if (mCheckButtonFaceStyle) mCheckButtonFaceStyle->Release(); } //---------------------------------------------------------------------- // nsISupports //---------------------------------------------------------------------- // Frames are not refcounted, no need to AddRef NS_IMETHODIMP nsGfxCheckboxControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { NS_ASSERTION(aInstancePtr, "QueryInterface requires a non-NULL destination!"); if ( !aInstancePtr ) return NS_ERROR_NULL_POINTER; if (aIID.Equals(NS_GET_IID(nsICheckboxControlFrame))) { *aInstancePtr = (void*) ((nsICheckboxControlFrame*) this); return NS_OK; } return nsFormControlFrame::QueryInterface(aIID, aInstancePtr); } #ifdef ACCESSIBILITY NS_IMETHODIMP nsGfxCheckboxControlFrame::GetAccessible(nsIAccessible** aAccessible) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLCheckboxAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible); } return NS_ERROR_FAILURE; } #endif //-------------------------------------------------------------- NS_IMETHODIMP nsGfxCheckboxControlFrame::SetCheckboxFaceStyleContext(nsStyleContext *aCheckboxFaceStyleContext) { mCheckButtonFaceStyle = aCheckboxFaceStyleContext; mCheckButtonFaceStyle->AddRef(); return NS_OK; } //-------------------------------------------------------------- nsStyleContext* nsGfxCheckboxControlFrame::GetAdditionalStyleContext(PRInt32 aIndex) const { switch (aIndex) { case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX: return mCheckButtonFaceStyle; break; default: return nsnull; } } //-------------------------------------------------------------- void nsGfxCheckboxControlFrame::SetAdditionalStyleContext(PRInt32 aIndex, nsStyleContext* aStyleContext) { switch (aIndex) { case NS_GFX_CHECKBOX_CONTROL_FRAME_FACE_CONTEXT_INDEX: if (mCheckButtonFaceStyle) mCheckButtonFaceStyle->Release(); mCheckButtonFaceStyle = aStyleContext; if (aStyleContext) aStyleContext->AddRef(); break; } } //------------------------------------------------------------ NS_IMETHODIMP nsGfxCheckboxControlFrame::OnChecked(nsPresContext* aPresContext, PRBool aChecked) { Invalidate(GetOverflowRect(), PR_FALSE); return aChecked; } static void PaintCheckMarkFromStyle(nsIFrame* aFrame, nsIRenderingContext* aCtx, const nsRect& aDirtyRect, nsPoint aPt) { NS_STATIC_CAST(nsGfxCheckboxControlFrame*, aFrame) ->PaintCheckBoxFromStyle(*aCtx, aPt, aDirtyRect); } class nsDisplayCheckMark : public nsDisplayItem { public: nsDisplayCheckMark(nsGfxCheckboxControlFrame* aFrame) : nsDisplayItem(aFrame) { MOZ_COUNT_CTOR(nsDisplayCheckMark); } #ifdef NS_BUILD_REFCNT_LOGGING virtual ~nsDisplayCheckMark() { MOZ_COUNT_DTOR(nsDisplayCheckMark); } #endif virtual void Paint(nsDisplayListBuilder* aBuilder, nsIRenderingContext* aCtx, const nsRect& aDirtyRect); NS_DISPLAY_DECL_NAME("CheckMark") }; void nsDisplayCheckMark::Paint(nsDisplayListBuilder* aBuilder, nsIRenderingContext* aCtx, const nsRect& aDirtyRect) { NS_STATIC_CAST(nsGfxCheckboxControlFrame*, mFrame)-> PaintCheckBox(*aCtx, aBuilder->ToReferenceFrame(mFrame), aDirtyRect); } //------------------------------------------------------------ void nsGfxCheckboxControlFrame::PaintCheckBox(nsIRenderingContext& aRenderingContext, nsPoint aPt, const nsRect& aDirtyRect) { // REVIEW: moved the mAppearance test out so we avoid constructing // a display item if it's not needed aRenderingContext.PushState(); nsMargin borderPadding(0,0,0,0); CalcBorderPadding(borderPadding); nsRect checkRect(aPt, mRect.Size()); checkRect.Deflate(borderPadding); const nsStyleColor* color = GetStyleColor(); aRenderingContext.SetColor(color->mColor); nsFormControlHelper::PaintCheckMark(aRenderingContext, GetPresContext()->ScaledPixelsToTwips(), checkRect); aRenderingContext.PopState(); } //------------------------------------------------------------ NS_IMETHODIMP nsGfxCheckboxControlFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder, const nsRect& aDirtyRect, const nsDisplayListSet& aLists) { nsresult rv = nsFormControlFrame::BuildDisplayList(aBuilder, aDirtyRect, aLists); NS_ENSURE_SUCCESS(rv, rv); // Get current checked state through content model. if (!GetCheckboxState() || !IsVisibleForPainting(aBuilder)) return NS_OK; // we're not checked or not visible, nothing to paint. if (IsThemed()) return NS_OK; // No need to paint the checkmark. The theme will do it. // Paint the checkmark // REVIEW: this used to check !mCheckButtonFaceStyle, but that's clearly // wrong ... look at the blame diff, it was reversed by accident if (mCheckButtonFaceStyle) { const nsStyleBackground* myColor = mCheckButtonFaceStyle->GetStyleBackground(); // REVIEW: I'm not sure if this is really sane. We should at least be also // checking for other properties too. But this is what we had. if (myColor->mBackgroundImage) return aLists.Content()->AppendNewToTop(new (aBuilder) nsDisplayGeneric(this, PaintCheckMarkFromStyle, "CheckMarkFromStyle")); } return aLists.Content()->AppendNewToTop(new (aBuilder) nsDisplayCheckMark(this)); // REVIEW: I'm not really sure why we were painting the outline again // here ... the superclass call at the top should have painted it already. // Just a bug I guess. } void nsGfxCheckboxControlFrame::PaintCheckBoxFromStyle( nsIRenderingContext& aRenderingContext, nsPoint aPt, const nsRect& aDirtyRect) { const nsStylePadding* myPadding = mCheckButtonFaceStyle->GetStylePadding(); const nsStylePosition* myPosition = mCheckButtonFaceStyle->GetStylePosition(); const nsStyleBorder* myBorder = mCheckButtonFaceStyle->GetStyleBorder(); nscoord width = myPosition->mWidth.GetCoordValue(); nscoord height = myPosition->mHeight.GetCoordValue(); // Position the button centered within the radio control's rectangle. nscoord x = (mRect.width - width) / 2; nscoord y = (mRect.height - height) / 2; nsRect rect(aPt.x + x, aPt.y + y, width, height); nsCSSRendering::PaintBackground(GetPresContext(), aRenderingContext, this, aDirtyRect, rect, *myBorder, *myPadding, PR_FALSE); nsCSSRendering::PaintBorder(GetPresContext(), aRenderingContext, this, aDirtyRect, rect, *myBorder, mCheckButtonFaceStyle, 0); } //------------------------------------------------------------ PRBool nsGfxCheckboxControlFrame::GetCheckboxState ( ) { nsCOMPtr elem(do_QueryInterface(mContent)); PRBool retval = PR_FALSE; elem->GetChecked(&retval); return retval; } //------------------------------------------------------------ // Extra Debug Methods //------------------------------------------------------------ #ifdef DEBUG_rodsXXX NS_IMETHODIMP nsGfxCheckboxControlFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsGfxCheckboxControlFrame", aReflowState.reason); DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); nsresult rv = nsFormControlFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); COMPARE_QUIRK_SIZE("nsGfxCheckboxControlFrame", 13, 13) NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize); return rv; } #endif