/* -*- 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 "nsGfxRadioControlFrame.h" #include "nsHTMLAtoms.h" #include "nsHTMLParts.h" #include "nsIFormControl.h" #include "nsIContent.h" #include "nsWidgetsCID.h" #include "nsIComponentManager.h" #include "nsCOMPtr.h" #include "nsCSSRendering.h" #include "nsIPresShell.h" #include "nsIDocument.h" #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" #include "nsITheme.h" nsIFrame* NS_NewGfxRadioControlFrame(nsIPresShell* aPresShell) { return new (aPresShell) nsGfxRadioControlFrame; } nsGfxRadioControlFrame::nsGfxRadioControlFrame() { // Initialize GFX-rendered state mRadioButtonFaceStyle = nsnull; } nsGfxRadioControlFrame::~nsGfxRadioControlFrame() { if (mRadioButtonFaceStyle) mRadioButtonFaceStyle->Release(); } // Frames are not refcounted, no need to AddRef NS_IMETHODIMP nsGfxRadioControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr) { NS_PRECONDITION(0 != aInstancePtr, "null ptr"); if (NULL == aInstancePtr) { return NS_ERROR_NULL_POINTER; } if (aIID.Equals(NS_GET_IID(nsIRadioControlFrame))) { *aInstancePtr = (void*) ((nsIRadioControlFrame*) this); return NS_OK; } return nsFormControlFrame::QueryInterface(aIID, aInstancePtr); } #ifdef ACCESSIBILITY NS_IMETHODIMP nsGfxRadioControlFrame::GetAccessible(nsIAccessible** aAccessible) { nsCOMPtr accService = do_GetService("@mozilla.org/accessibilityService;1"); if (accService) { return accService->CreateHTMLRadioButtonAccessible(NS_STATIC_CAST(nsIFrame*, this), aAccessible); } return NS_ERROR_FAILURE; } #endif //-------------------------------------------------------------- nsStyleContext* nsGfxRadioControlFrame::GetAdditionalStyleContext(PRInt32 aIndex) const { switch (aIndex) { case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX: return mRadioButtonFaceStyle; break; default: return nsnull; } } //-------------------------------------------------------------- void nsGfxRadioControlFrame::SetAdditionalStyleContext(PRInt32 aIndex, nsStyleContext* aStyleContext) { switch (aIndex) { case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX: if (mRadioButtonFaceStyle) mRadioButtonFaceStyle->Release(); mRadioButtonFaceStyle = aStyleContext; if (aStyleContext) aStyleContext->AddRef(); break; } } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::SetRadioButtonFaceStyleContext(nsStyleContext *aRadioButtonFaceStyleContext) { mRadioButtonFaceStyle = aRadioButtonFaceStyleContext; mRadioButtonFaceStyle->AddRef(); return NS_OK; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::HandleEvent(nsPresContext* aPresContext, nsGUIEvent* aEvent, nsEventStatus* aEventStatus) { // Check for user-input:none style const nsStyleUserInterface* uiStyle = GetStyleUserInterface(); if (uiStyle->mUserInput == NS_STYLE_USER_INPUT_NONE || uiStyle->mUserInput == NS_STYLE_USER_INPUT_DISABLED) return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus); // otherwise, do nothing. Events are handled by the DOM. return NS_OK; } //-------------------------------------------------------------- void nsGfxRadioControlFrame::PaintRadioButton(nsPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { const nsStyleDisplay* disp = GetStyleDisplay(); if (disp->mAppearance) { nsITheme *theme = aPresContext->GetTheme(); if (theme && theme->ThemeSupportsWidget(aPresContext, this, disp->mAppearance)) return; // No need to paint the radio button. The theme will do it. } PRBool checked = PR_TRUE; GetCurrentCheckState(&checked); // Get check state from the content model const nsStyleBorder* myBorder = mRadioButtonFaceStyle->GetStyleBorder(); if (checked) { // Paint the button for the radio button using CSS background rendering code if (nsnull != mRadioButtonFaceStyle) { const nsStyleBackground* myColor = mRadioButtonFaceStyle->GetStyleBackground(); const nsStyleColor* color = mRadioButtonFaceStyle->GetStyleColor(); const nsStylePadding* myPadding = mRadioButtonFaceStyle->GetStylePadding(); const nsStylePosition* myPosition = mRadioButtonFaceStyle->GetStylePosition(); 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(x, y, width, height); // So we will use PaintBackgroundWithSC to paint the dot, // but it uses the mBackgroundColor for painting and we need to use the mColor // so create a temporary style color struct and set it up appropriately // XXXldb It would make more sense to use // |aRenderingContext.FillEllipse| here, but on at least GTK that // doesn't draw a round enough circle. nsStyleBackground tmpColor = *myColor; tmpColor.mBackgroundColor = color->mColor; nsCSSRendering::PaintBackgroundWithSC(aPresContext, aRenderingContext, this, aDirtyRect, rect, tmpColor, *myBorder, *myPadding, PR_FALSE); nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, rect, *myBorder, mRadioButtonFaceStyle, 0); } } } //-------------------------------------------------------------- NS_METHOD nsGfxRadioControlFrame::Paint(nsPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect, nsFramePaintLayer aWhichLayer, PRUint32 aFlags) { PRBool isVisible; if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) { return NS_OK; } // Paint the background nsresult rv = nsFormControlFrame::Paint(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer); if (NS_FRAME_PAINT_LAYER_FOREGROUND == aWhichLayer) { PaintRadioButton(aPresContext, aRenderingContext, aDirtyRect); } nsRect rect(0, 0, mRect.width, mRect.height); const nsStyleOutline* myOutline = GetStyleOutline(); const nsStyleBorder* myBorder = GetStyleBorder(); nsCSSRendering::PaintOutline(aPresContext, aRenderingContext, this, aDirtyRect, rect, *myBorder, *myOutline, mStyleContext, 0); return rv; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::OnChecked(nsPresContext* aPresContext, PRBool aChecked) { Invalidate(GetOverflowRect(), PR_FALSE); return NS_OK; } //---------------------------------------------------------------------- // Extra Debug Helper Methods //---------------------------------------------------------------------- #ifdef DEBUG_rodsXXX NS_IMETHODIMP nsGfxRadioControlFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsGfxRadioControlFrame", aReflowState.reason); DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); nsresult rv = nsNativeFormControlFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); COMPARE_QUIRK_SIZE("nsGfxRadioControlFrame", 12, 11) NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize); return rv; } #endif