/* -*- 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 "nsFormControlFrame.h" #include "nsGkAtoms.h" #include "nsIDOMHTMLInputElement.h" #include "nsIEventStateManager.h" #include "nsILookAndFeel.h" //#define FCF_NOISY const PRInt32 kSizeNotSet = -1; nsFormControlFrame::nsFormControlFrame(nsStyleContext* aContext) : nsLeafFrame(aContext) { } nsFormControlFrame::~nsFormControlFrame() { } void nsFormControlFrame::Destroy() { // Unregister the access key registered in reflow nsFormControlFrame::RegUnRegAccessKey(NS_STATIC_CAST(nsIFrame*, this), PR_FALSE); nsLeafFrame::Destroy(); } // Frames are not refcounted, no need to AddRef NS_IMETHODIMP nsFormControlFrame::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(nsIFormControlFrame))) { *aInstancePtr = (void*) ((nsIFormControlFrame*) this); return NS_OK; } return nsLeafFrame::QueryInterface(aIID, aInstancePtr); } nscoord nsFormControlFrame::GetIntrinsicWidth() { // Provide a reasonable default for sites that use an "auto" height. // Note that if you change this, you should change the values in forms.css // as well. This is the 13px default width minus the 2px default border. return nsPresContext::CSSPixelsToAppUnits(13 - 2 * 2); } nscoord nsFormControlFrame::GetIntrinsicHeight() { // Provide a reasonable default for sites that use an "auto" height. // Note that if you change this, you should change the values in forms.css // as well. This is the 13px default width minus the 2px default border. return nsPresContext::CSSPixelsToAppUnits(13 - 2 * 2); } NS_METHOD nsFormControlFrame::Reflow(nsPresContext* aPresContext, nsHTMLReflowMetrics& aDesiredSize, const nsHTMLReflowState& aReflowState, nsReflowStatus& aStatus) { DO_GLOBAL_REFLOW_COUNT("nsFormControlFrame"); DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); if (mState & NS_FRAME_FIRST_REFLOW) { RegUnRegAccessKey(NS_STATIC_CAST(nsIFrame*, this), PR_TRUE); } return nsLeafFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); } nsresult nsFormControlFrame::RegUnRegAccessKey(nsIFrame * aFrame, PRBool aDoReg) { NS_ENSURE_ARG_POINTER(aFrame); nsPresContext* presContext = aFrame->GetPresContext(); NS_ASSERTION(presContext, "aPresContext is NULL in RegUnRegAccessKey!"); nsAutoString accessKey; nsIContent* content = aFrame->GetContent(); content->GetAttr(kNameSpaceID_None, nsGkAtoms::accesskey, accessKey); if (!accessKey.IsEmpty()) { nsIEventStateManager *stateManager = presContext->EventStateManager(); if (aDoReg) { return stateManager->RegisterAccessKey(content, (PRUint32)accessKey.First()); } else { return stateManager->UnregisterAccessKey(content, (PRUint32)accessKey.First()); } } return NS_ERROR_FAILURE; } void nsFormControlFrame::SetFocus(PRBool aOn, PRBool aRepaint) { } NS_METHOD nsFormControlFrame::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); return NS_OK; } void nsFormControlFrame::GetCurrentCheckState(PRBool *aState) { nsCOMPtr inputElement = do_QueryInterface(mContent); if (inputElement) { inputElement->GetChecked(aState); } } nsresult nsFormControlFrame::SetFormProperty(nsIAtom* aName, const nsAString& aValue) { return NS_OK; } nsresult nsFormControlFrame::GetFormProperty(nsIAtom* aName, nsAString& aValue) const { aValue.Truncate(); return NS_OK; } nsresult nsFormControlFrame::GetScreenHeight(nsPresContext* aPresContext, nscoord& aHeight) { nsRect screen; nsIDeviceContext *context = aPresContext->DeviceContext(); PRBool dropdownCanOverlapOSBar = PR_FALSE; nsILookAndFeel *lookAndFeel = aPresContext->LookAndFeel(); lookAndFeel->GetMetric(nsILookAndFeel::eMetric_MenusCanOverlapOSBar, dropdownCanOverlapOSBar); if ( dropdownCanOverlapOSBar ) context->GetRect ( screen ); else context->GetClientRect(screen); aHeight = aPresContext->AppUnitsToDevPixels(screen.height); return NS_OK; }