/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: NPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Netscape 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/NPL/ * * 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 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 NPL, 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 NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsGfxRadioControlFrame.h" #include "nsHTMLAtoms.h" #include "nsHTMLParts.h" #include "nsFormFrame.h" #include "nsIFormControl.h" #include "nsIContent.h" #include "nsWidgetsCID.h" #include "nsIComponentManager.h" #include "nsCOMPtr.h" #include "nsCSSRendering.h" #include "nsIPresState.h" #include "nsIPresShell.h" #include "nsIDocument.h" #include "nsINameSpaceManager.h" #ifdef ACCESSIBILITY #include "nsIAccessibilityService.h" #endif #include "nsIServiceManager.h" #include "nsIDOMNode.h" nsresult NS_NewGfxRadioControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame) { NS_PRECONDITION(aNewFrame, "null OUT ptr"); if (nsnull == aNewFrame) { return NS_ERROR_NULL_POINTER; } nsGfxRadioControlFrame* it = new (aPresShell) nsGfxRadioControlFrame; if (!it) { return NS_ERROR_OUT_OF_MEMORY; } *aNewFrame = it; return NS_OK; } nsGfxRadioControlFrame::nsGfxRadioControlFrame() { // Initialize GFX-rendered state mChecked = PR_FALSE; mRadioButtonFaceStyle = nsnull; } nsGfxRadioControlFrame::~nsGfxRadioControlFrame() { NS_IF_RELEASE(mRadioButtonFaceStyle); } // 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; } if (aIID.Equals(NS_GET_IID(nsIStatefulFrame))) { *aInstancePtr = (void*) ((nsIStatefulFrame*) 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 //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::GetAdditionalStyleContext(PRInt32 aIndex, nsIStyleContext** aStyleContext) const { NS_PRECONDITION(nsnull != aStyleContext, "null OUT parameter pointer"); if (aIndex < 0) { return NS_ERROR_INVALID_ARG; } *aStyleContext = nsnull; switch (aIndex) { case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX: *aStyleContext = mRadioButtonFaceStyle; NS_IF_ADDREF(*aStyleContext); break; default: return NS_ERROR_INVALID_ARG; } return NS_OK; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::SetAdditionalStyleContext(PRInt32 aIndex, nsIStyleContext* aStyleContext) { if (aIndex < 0) { return NS_ERROR_INVALID_ARG; } switch (aIndex) { case NS_GFX_RADIO_CONTROL_FRAME_FACE_CONTEXT_INDEX: NS_IF_RELEASE(mRadioButtonFaceStyle); mRadioButtonFaceStyle = aStyleContext; NS_IF_ADDREF(aStyleContext); break; } return NS_OK; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsAReadableString& aValue) { if (nsHTMLAtoms::checked == aName) { PRBool state = (aValue.Equals(NS_STRING_TRUE)) ? PR_TRUE : PR_FALSE; // if there is no form than the radiobtn is an orphan if (mFormFrame) { // if this failed then it didn't have a named radio group if (NS_FAILED(mFormFrame->OnRadioChecked(aPresContext, *this, state))) { // The line below is commented out to duplicate NavQuirks behavior //SetRadioState(aPresContext, state); } } else { SetRadioState(aPresContext, state); } } else { return nsFormControlFrame::SetProperty(aPresContext, aName, aValue); } return NS_OK; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::GetProperty(nsIAtom* aName, nsAWritableString& aValue) { // Return the value of the property from the widget it is not null. // If is null, assume the widget is GFX-rendered and return a member variable instead. if (nsHTMLAtoms::checked == aName) { nsFormControlHelper::GetBoolString(GetRadioState(), aValue); } else { return nsFormControlFrame::GetProperty(aName, aValue); } return NS_OK; } //-------------------------------------------------------------- PRBool nsGfxRadioControlFrame::GetChecked() { PRBool checked = PR_FALSE; GetCurrentCheckState(&checked); return(checked); } //-------------------------------------------------------------- PRBool nsGfxRadioControlFrame::GetDefaultChecked() { PRBool checked = PR_FALSE; GetDefaultCheckState(&checked); return(checked); } //-------------------------------------------------------------- void nsGfxRadioControlFrame::SetChecked(nsIPresContext* aPresContext, PRBool aValue, PRBool aSetInitialValue) { if (aSetInitialValue) { if (aValue) { mContent->SetAttr(kNameSpaceID_HTML, nsHTMLAtoms::checked, NS_ConvertASCIItoUCS2("1"), PR_FALSE); // XXX should be "empty" value } else { mContent->SetAttr(kNameSpaceID_HTML, nsHTMLAtoms::checked, NS_ConvertASCIItoUCS2("0"), PR_FALSE); } } SetRadioState(aPresContext, aValue); } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::SetRadioButtonFaceStyleContext(nsIStyleContext *aRadioButtonFaceStyleContext) { mRadioButtonFaceStyle = aRadioButtonFaceStyleContext; NS_ADDREF(mRadioButtonFaceStyle); return NS_OK; } //-------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::GetRadioGroupSelectedContent(nsIContent ** aRadioBtn) { NS_ENSURE_ARG_POINTER(aRadioBtn); nsFormFrame::GetRadioGroupSelectedContent(this, aRadioBtn); return NS_OK; } NS_IMETHODIMP nsGfxRadioControlFrame::HandleEvent(nsIPresContext* aPresContext, nsGUIEvent* aEvent, nsEventStatus* aEventStatus) { // Check for user-input:none style const nsStyleUserInterface* uiStyle; GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct *&)uiStyle); 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(nsIPresContext* aPresContext, nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { PRBool checked = PR_TRUE; GetCurrentCheckState(&checked); // Get check state from the content model if (PR_TRUE == checked) { // Paint the button for the radio button using CSS background rendering code if (nsnull != mRadioButtonFaceStyle) { const nsStyleBackground* myColor = (const nsStyleBackground*) mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Background); const nsStyleColor* color = (const nsStyleColor*) mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Color); const nsStyleBorder* myBorder = (const nsStyleBorder*) mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Border); const nsStylePosition* myPosition = (const nsStylePosition*) mRadioButtonFaceStyle->GetStyleData(eStyleStruct_Position); 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 the PaintBackground 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 nsStyleBackground tmpColor = *myColor; tmpColor.mBackgroundColor = color->mColor; nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this, aDirtyRect, rect, tmpColor, *myBorder, 0, 0); nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this, aDirtyRect, rect, *myBorder, mRadioButtonFaceStyle, 0); } } } //-------------------------------------------------------------- NS_METHOD nsGfxRadioControlFrame::Paint(nsIPresContext* 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); } return rv; } //-------------------------------------------------------------- PRBool nsGfxRadioControlFrame::GetRadioState() { return mChecked; } //-------------------------------------------------------------- void nsGfxRadioControlFrame::SetRadioState(nsIPresContext* aPresContext, PRBool aValue) { mChecked = aValue; nsFormControlHelper::ForceDrawFrame(aPresContext, this); } void nsGfxRadioControlFrame::InitializeControl(nsIPresContext* aPresContext) { nsFormControlFrame::InitializeControl(aPresContext); // Only reset on init if this is the primary shell // Temporary workaround until radio state is in content nsCOMPtr presShell; aPresContext->GetShell(getter_AddRefs(presShell)); if (!presShell) return; nsCOMPtr doc; presShell->GetDocument(getter_AddRefs(doc)); if (!doc) return; nsCOMPtr primaryPresShell; doc->GetShellAt(0, getter_AddRefs(primaryPresShell)); if (!primaryPresShell) return; if (presShell.get() == primaryPresShell.get()) { nsFormControlHelper::Reset(this, aPresContext); } } //---------------------------------------------------------------------- // nsIStatefulFrame //---------------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::SaveState(nsIPresContext* aPresContext, nsIPresState** aState) { NS_ENSURE_ARG_POINTER(aState); // Don't save state before we are initialized if (!mDidInit) { return NS_OK; } nsresult res = NS_OK; PRBool stateBool = GetRadioState(); PRBool defaultStateBool = GetDefaultChecked(); // Compare to default value, and only save if needed (Bug 62713) if (stateBool != defaultStateBool) { // Get the value string nsAutoString stateString; nsFormControlHelper::GetBoolString(stateBool, stateString); // Construct a pres state and store value in it. res = NS_NewPresState(aState); NS_ENSURE_SUCCESS(res, res); res = (*aState)->SetStateProperty(NS_LITERAL_STRING("checked"), stateString); } return res; } //---------------------------------------------------------------------- NS_IMETHODIMP nsGfxRadioControlFrame::RestoreState(nsIPresContext* aPresContext, nsIPresState* aState) { NS_ENSURE_ARG_POINTER(aState); if (!mDidInit) { mPresContext = aPresContext; InitializeControl(aPresContext); mDidInit = PR_TRUE; } mIsRestored = PR_TRUE; nsAutoString stateString; nsresult res = aState->GetStateProperty(NS_LITERAL_STRING("checked"), stateString); NS_ENSURE_SUCCESS(res, res); res = SetProperty(aPresContext, nsHTMLAtoms::checked, stateString); NS_ENSURE_SUCCESS(res, res); mRestoredChecked = mChecked; return NS_OK; } //---------------------------------------------------------------------- // Extra Debug Helper Methods //---------------------------------------------------------------------- #ifdef DEBUG_rodsXXX NS_IMETHODIMP nsGfxRadioControlFrame::Reflow(nsIPresContext* 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) return rv; } #endif NS_IMETHODIMP nsGfxRadioControlFrame::OnContentReset() { return NS_OK; }