зеркало из https://github.com/mozilla/gecko-dev.git
1050 строки
35 KiB
C++
1050 строки
35 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsCOMPtr.h"
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#include "nsFormControlFrame.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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#include "nsIDOMHTMLLabelElement.h"
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#include "nsIDOMHTMLTextAreaElement.h"
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#include "nsIDOMHTMLLegendElement.h"
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#include "nsIDOMHTMLButtonElement.h"
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#include "nsIEventStateManager.h"
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#include "nsIScrollableView.h"
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#ifdef DEBUG_evaughan
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//#define DEBUG_rods
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#endif
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#define FCF_NOISY
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#ifdef FCF_NOISY
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#define REFLOW_DEBUG_MSG(_msg1) printf((_msg1))
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#define REFLOW_DEBUG_MSG2(_msg1, _msg2) printf((_msg1), (_msg2))
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#define REFLOW_DEBUG_MSG3(_msg1, _msg2, _msg3) printf((_msg1), (_msg2), (_msg3))
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#define REFLOW_DEBUG_MSG4(_msg1, _msg2, _msg3, _msg4) printf((_msg1), (_msg2), (_msg3), (_msg4))
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#define IF_REFLOW_DEBUG_MSG(_bool, _msg1) if ((_bool)) printf((_msg1))
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#define IF_REFLOW_DEBUG_MSG2(_bool, _msg1, _msg2) if ((_bool)) printf((_msg1), (_msg2))
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#define IF_REFLOW_DEBUG_MSG3(_bool, _msg1, _msg2, _msg3) if ((_bool)) printf((_msg1), (_msg2), (_msg3))
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#define IF_REFLOW_DEBUG_MSG4(_bool, _msg1, _msg2, _msg3, _msg4) if ((_bool)) printf((_msg1), (_msg2), (_msg3), (_msg4))
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#else //-------------
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#define REFLOW_DEBUG_MSG(_msg)
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#define REFLOW_DEBUG_MSG2(_msg1, _msg2)
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#define REFLOW_DEBUG_MSG3(_msg1, _msg2, _msg3)
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#define REFLOW_DEBUG_MSG4(_msg1, _msg2, _msg3, _msg4)
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#define IF_REFLOW_DEBUG_MSG(_bool, _msg)
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#define IF_REFLOW_DEBUG_MSG2(_bool, _msg1, _msg2)
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#define IF_REFLOW_DEBUG_MSG3(_bool, _msg1, _msg2, _msg3)
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#define IF_REFLOW_DEBUG_MSG4(_bool, _msg1, _msg2, _msg3, _msg4)
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#endif
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const PRInt32 kSizeNotSet = -1;
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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(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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nsFormControlFrame::nsFormControlFrame()
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: nsLeafFrame()
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{
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mDidInit = PR_FALSE;
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mFormFrame = nsnull;
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mSuggestedWidth = NS_FORMSIZE_NOTSET;
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mSuggestedHeight = NS_FORMSIZE_NOTSET;
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mPresContext = nsnull;
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// Reflow Optimization
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mCacheSize.width = kSizeNotSet;
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mCacheSize.height = kSizeNotSet;
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mCachedMaxElementSize.width = kSizeNotSet;
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mCachedMaxElementSize.height = kSizeNotSet;
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}
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nsFormControlFrame::~nsFormControlFrame()
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{
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if (mFormFrame) {
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mFormFrame->RemoveFormControlFrame(*this);
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// This method only removes from radio lists if we are a radio input
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mFormFrame->RemoveRadioControlFrame(this);
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mFormFrame = nsnull;
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}
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RegUnRegAccessKey(mPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
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}
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// Frames are not refcounted, no need to AddRef
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NS_IMETHODIMP
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nsFormControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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}
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return nsLeafFrame::QueryInterface(aIID, aInstancePtr);
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}
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void nsFormControlFrame::SetupCachedSizes(nsSize& aCacheSize,
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nsSize& aCachedMaxElementSize,
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nsHTMLReflowMetrics& aDesiredSize)
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{
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aCacheSize.width = aDesiredSize.width;
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aCacheSize.height = aDesiredSize.height;
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if (aDesiredSize.maxElementSize != nsnull) {
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aCachedMaxElementSize.width = aDesiredSize.maxElementSize->width;
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aCachedMaxElementSize.height = aDesiredSize.maxElementSize->height;
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}
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}
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#if 0 // Testing out changes
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//------------------------------------------------------------
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void nsFormControlFrame::SkipResizeReflow(nsSize& aCacheSize,
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nsSize& aCachedMaxElementSize,
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nsSize& aCachedAvailableSize,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus,
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PRBool& aBailOnWidth,
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PRBool& aBailOnHeight)
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{
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if (aReflowState.reason == eReflowReason_Incremental) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else if (eReflowReason_Initial == aReflowState.reason) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else {
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nscoord width;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth) {
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if (aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE) {
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width = NS_UNCONSTRAINEDSIZE;
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aBailOnWidth = aCacheSize.width != kSizeNotSet;
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IF_REFLOW_DEBUG_MSG2(aBailOnWidth, "-------------- #1 Bailing on aCachedAvailableSize.width %d != kSizeNotSet\n", aCachedAvailableSize.width);
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} else {
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//width = aReflowState.availableWidth - aReflowState.mComputedBorderPadding.left -
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// aReflowState.mComputedBorderPadding.right;
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aBailOnWidth = aCacheSize.width <= aReflowState.availableWidth && aCacheSize.width != kSizeNotSet;
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if (aBailOnWidth) {
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REFLOW_DEBUG_MSG3("-------------- #2 Bailing on aCachedSize.width %d <= (AW - BP) %d\n", aCachedAvailableSize.width, width );
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} else {
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//aBailOnWidth = width <= (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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// aCachedAvailableSize.width == kSizeNotSet;
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//if (aBailOnWidth) {
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// REFLOW_DEBUG_MSG3("-------------- #2.2 Bailing on width %d <= aCachedSize.width %d\n", width, (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right));
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//}
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}
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}
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} else {
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width = aReflowState.mComputedWidth;
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aBailOnWidth = width == (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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IF_REFLOW_DEBUG_MSG3(aBailOnWidth, "-------------- #3 Bailing on aCachedAvailableSize.width %d == aReflowState.mComputedWidth %d\n", aCachedAvailableSize.width, width );
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}
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nscoord height;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
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if (aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
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height = NS_UNCONSTRAINEDSIZE;
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aBailOnHeight = aCacheSize.height != kSizeNotSet;
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if (aBailOnHeight) {
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IF_REFLOW_DEBUG_MSG2(aBailOnHeight, "-------------- #1 Bailing on aCachedAvailableSize.height %d != kSizeNotSet\n", aCachedAvailableSize.height);
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}
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} else {
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height = aReflowState.availableHeight - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnHeight = aCachedAvailableSize.height <= height && aCachedAvailableSize.height != kSizeNotSet;
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if (aBailOnHeight) {
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REFLOW_DEBUG_MSG3("-------------- #2 Bailing on aCachedAvailableSize.height %d <= height %d\n", aCachedAvailableSize.height, height );
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} else {
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aBailOnHeight = height <= (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.height == kSizeNotSet;
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if (aBailOnHeight) {
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REFLOW_DEBUG_MSG3("-------------- #2.2 Bailing on height %d <= aCachedSize.height %d\n", height, (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right));
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}
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}
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}
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} else {
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height = aReflowState.mComputedHeight;
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aBailOnHeight = height == (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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IF_REFLOW_DEBUG_MSG3(aBailOnHeight, "-------------- #3 Bailing on aCachedAvailableSize.height %d == aReflowState.mComputedHeight %d\n", aCachedAvailableSize.height, height );
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}
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if (aBailOnWidth || aBailOnHeight) {
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aDesiredSize.width = aCacheSize.width;
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aDesiredSize.height = aCacheSize.height;
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if (aDesiredSize.maxElementSize != nsnull) {
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aDesiredSize.maxElementSize->width = aCachedMaxElementSize.width;
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aDesiredSize.maxElementSize->height = aCachedMaxElementSize.height;
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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}
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}
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}
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#else
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//------------------------------------------------------------
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void nsFormControlFrame::SkipResizeReflow(nsSize& aCacheSize,
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nsSize& aCachedMaxElementSize,
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nsSize& aCachedAvailableSize,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus,
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PRBool& aBailOnWidth,
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PRBool& aBailOnHeight)
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{
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if (aReflowState.reason == eReflowReason_Incremental) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else if (eReflowReason_Initial == aReflowState.reason) {
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aBailOnHeight = PR_FALSE;
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aBailOnWidth = PR_FALSE;
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} else {
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nscoord width;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedWidth) {
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if (aReflowState.availableWidth == NS_UNCONSTRAINEDSIZE) {
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width = NS_UNCONSTRAINEDSIZE;
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aBailOnWidth = aCacheSize.width != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #1 Bailing on aCachedAvailableSize.width %d != kSizeNotSet\n", aCachedAvailableSize.width);
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}
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#endif
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} else {
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width = aReflowState.availableWidth - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnWidth = aCachedAvailableSize.width <= width && aCachedAvailableSize.width != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #2 Bailing on aCachedAvailableSize.width %d <= width %d\n", aCachedAvailableSize.width, width );
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} else {
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aBailOnWidth = width <= (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.width == kSizeNotSet;
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if (aBailOnWidth) {
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printf("-------------- #2.2 Bailing on width %d <= aCachedAvailableSize.width %d\n",(aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right), width );
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}
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}
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#endif
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}
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} else {
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width = aReflowState.mComputedWidth;
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//if (aCachedAvailableSize.width == kSizeNotSet) {
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// //aBailOnWidth = aCachedAvailableSize.width == aCacheSize.width;
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aBailOnWidth = PR_FALSE;
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//} else {
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aBailOnWidth = width == (aCacheSize.width - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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//}
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#ifdef FCF_NOISY
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if (aBailOnWidth) {
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printf("-------------- #3 Bailing on aCachedAvailableSize.width %d == aReflowState.mComputedWidth %d\n", aCachedAvailableSize.width, width );
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}
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#endif
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}
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nscoord height;
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if (NS_UNCONSTRAINEDSIZE == aReflowState.mComputedHeight) {
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if (aReflowState.availableHeight == NS_UNCONSTRAINEDSIZE) {
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height = NS_UNCONSTRAINEDSIZE;
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aBailOnHeight = aCacheSize.height != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #1 Bailing on aCachedAvailableSize.height %d != kSizeNotSet\n", aCachedAvailableSize.height);
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}
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#endif
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} else {
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height = aReflowState.availableHeight - aReflowState.mComputedBorderPadding.left -
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aReflowState.mComputedBorderPadding.right;
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aBailOnHeight = aCachedAvailableSize.height <= height && aCachedAvailableSize.height != kSizeNotSet;
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #2 Bailing on aCachedAvailableSize.height %d <= height %d\n", aCachedAvailableSize.height, height );
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} else {
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aBailOnHeight = height <= (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right) &&
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aCachedAvailableSize.height == kSizeNotSet;
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if (aBailOnHeight) {
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printf("-------------- #2.2 Bailing on height %d <= aCachedAvailableSize.height %d\n",(aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right), height );
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}
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}
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#endif
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}
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} else {
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height = aReflowState.mComputedHeight;
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//if (aCachedAvailableSize.height == kSizeNotSet) {
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// //aBailOnHeight = aCachedAvailableSize.height == aCacheSize.height;
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aBailOnHeight = PR_FALSE;
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//} else {
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aBailOnHeight = height == (aCacheSize.height - aReflowState.mComputedBorderPadding.left - aReflowState.mComputedBorderPadding.right);
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//}
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#ifdef FCF_NOISY
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if (aBailOnHeight) {
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printf("-------------- #3 Bailing on aCachedAvailableSize.height %d == aReflowState.mComputedHeight %d\n", aCachedAvailableSize.height, height );
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}
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#endif
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}
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if (aBailOnWidth || aBailOnHeight) {
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aDesiredSize.width = aCacheSize.width;
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aDesiredSize.height = aCacheSize.height;
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if (aDesiredSize.maxElementSize != nsnull) {
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aDesiredSize.maxElementSize->width = aCachedMaxElementSize.width;
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aDesiredSize.maxElementSize->height = aCachedMaxElementSize.height;
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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}
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}
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}
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#endif
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nscoord
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nsFormControlFrame::GetScrollbarWidth(float aPixToTwip)
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{
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return NSIntPixelsToTwips(19, aPixToTwip); // XXX this is windows
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}
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nscoord
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nsFormControlFrame::GetVerticalBorderWidth(float aPixToTwip) const
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{
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return NSIntPixelsToTwips(3, aPixToTwip);
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}
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nscoord
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nsFormControlFrame::GetHorizontalBorderWidth(float aPixToTwip) const
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{
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return GetVerticalBorderWidth(aPixToTwip);
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}
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nscoord
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nsFormControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerHeight) const
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{
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return NSIntPixelsToTwips(3, aPixToTwip);
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}
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nscoord
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nsFormControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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return GetVerticalInsidePadding(aPresContext, aPixToTwip, aInnerWidth);
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}
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PRInt32
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nsFormControlFrame::GetMaxNumValues()
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{
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return 0;
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}
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PRBool
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nsFormControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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aNumValues = 0;
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return PR_FALSE;
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}
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void
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nsFormControlFrame::SetClickPoint(nscoord aX, nscoord aY)
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{
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mLastClickPoint.x = aX;
|
|
mLastClickPoint.y = aY;
|
|
}
|
|
|
|
// XXX it would be cool if form element used our rendering sw, then
|
|
// they could be blended, and bordered, and so on...
|
|
NS_METHOD
|
|
nsFormControlFrame::Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer)
|
|
{
|
|
|
|
nsresult rv = nsLeafFrame::Paint(aPresContext, aRenderingContext, aDirtyRect,
|
|
aWhichLayer);
|
|
|
|
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer){
|
|
|
|
nsRect rect(0, 0, mRect.width, mRect.height);
|
|
PaintSpecialBorder(aPresContext,
|
|
aRenderingContext,
|
|
this,
|
|
aDirtyRect,
|
|
rect);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredLayoutSize,
|
|
nsSize& aDesiredWidgetSize)
|
|
{
|
|
// get the css size and let the frame use or override it
|
|
nsSize styleSize;
|
|
GetStyleSize(aPresContext, aReflowState, styleSize);
|
|
|
|
// subclasses should always override this method, but if not and no css, make it small
|
|
aDesiredLayoutSize.width = (styleSize.width > CSS_NOTSET) ? styleSize.width : 144;
|
|
aDesiredLayoutSize.height = (styleSize.height > CSS_NOTSET) ? styleSize.height : 144;
|
|
aDesiredLayoutSize.ascent = aDesiredLayoutSize.height;
|
|
aDesiredLayoutSize.descent = 0;
|
|
if (aDesiredLayoutSize.maxElementSize) {
|
|
aDesiredLayoutSize.maxElementSize->width = aDesiredLayoutSize.width;
|
|
aDesiredLayoutSize.maxElementSize->height = aDesiredLayoutSize.height;
|
|
}
|
|
aDesiredWidgetSize.width = aDesiredLayoutSize.width;
|
|
aDesiredWidgetSize.height = aDesiredLayoutSize.height;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetDesiredSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredSize)
|
|
{
|
|
nsSize ignore;
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize, ignore);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::DidReflow(nsIPresContext* aPresContext,
|
|
nsDidReflowStatus aStatus)
|
|
{
|
|
nsresult rv = nsLeafFrame::DidReflow(aPresContext, aStatus);
|
|
|
|
|
|
// The view is created hidden; once we have reflowed it and it has been
|
|
// positioned then we show it.
|
|
if (NS_FRAME_REFLOW_FINISHED == aStatus) {
|
|
nsIView* view = nsnull;
|
|
GetView(aPresContext, &view);
|
|
if (view) {
|
|
const nsStyleDisplay* display;
|
|
GetStyleData(eStyleStruct_Display, ((const nsStyleStruct *&)display));
|
|
nsViewVisibility newVis = display->IsVisible() ? nsViewVisibility_kShow : nsViewVisibility_kHide;
|
|
nsViewVisibility oldVis;
|
|
// only change if different.
|
|
view->GetVisibility(oldVis);
|
|
if (newVis != oldVis)
|
|
view->SetVisibility(newVis);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetInitialChildList(nsIPresContext* aPresContext,
|
|
nsIAtom* aListName,
|
|
nsIFrame* aChildList)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD
|
|
nsFormControlFrame::Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
if (!mDidInit) {
|
|
mPresContext = aPresContext;
|
|
InitializeControl(aPresContext);
|
|
mDidInit = PR_TRUE;
|
|
}
|
|
|
|
// add ourself as an nsIFormControlFrame
|
|
if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
|
|
nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
|
|
}
|
|
|
|
#if 0
|
|
nsresult skiprv = SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext,
|
|
aDesiredSize, aReflowState, aStatus);
|
|
if (NS_SUCCEEDED(skiprv)) {
|
|
return skiprv;
|
|
}
|
|
#endif
|
|
|
|
nsresult rv = nsLeafFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
|
|
return rv;
|
|
}
|
|
|
|
|
|
nsWidgetInitData*
|
|
nsFormControlFrame::GetWidgetInitData(nsIPresContext* aPresContext)
|
|
{
|
|
return nsnull;
|
|
}
|
|
|
|
|
|
nsresult
|
|
nsFormControlFrame::RegUnRegAccessKey(nsIPresContext* aPresContext, nsIFrame * aFrame, PRBool aDoReg)
|
|
{
|
|
#if 0
|
|
NS_ASSERTION(aPresContext, "aPresContext is NULL in RegUnRegAccessKey!");
|
|
NS_ASSERTION(aFrame, "aFrame is NULL in RegUnRegAccessKey!");
|
|
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
nsAutoString accessKey;
|
|
|
|
if (aFrame != nsnull) {
|
|
nsCOMPtr<nsIContent> content;
|
|
if (NS_SUCCEEDED(aFrame->GetContent(getter_AddRefs(content)))) {
|
|
#if 1
|
|
PRInt32 nameSpaceID;
|
|
content->GetNameSpaceID(nameSpaceID);
|
|
nsAutoString resultValue;
|
|
rv = content->GetAttribute(nameSpaceID, nsHTMLAtoms::accesskey, accessKey);
|
|
#else
|
|
nsCOMPtr<nsIDOMHTMLInputElement> inputElement(do_QueryInterface(content));
|
|
if (inputElement) {
|
|
rv = inputElement->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLTextAreaElement> textarea(do_QueryInterface(content));
|
|
if (textarea) {
|
|
rv = textarea->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLLabelElement> label(do_QueryInterface(content));
|
|
if (label) {
|
|
rv = label->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLLegendElement> legend(do_QueryInterface(content));
|
|
if (legend) {
|
|
rv = legend->GetAccessKey(accessKey);
|
|
} else {
|
|
nsCOMPtr<nsIDOMHTMLButtonElement> btn(do_QueryInterface(content));
|
|
if (btn) {
|
|
rv = btn->GetAccessKey(accessKey);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (NS_CONTENT_ATTR_NOT_THERE != rv) {
|
|
nsCOMPtr<nsIEventStateManager> stateManager;
|
|
if (NS_SUCCEEDED(aPresContext->GetEventStateManager(getter_AddRefs(stateManager)))) {
|
|
if (aDoReg) {
|
|
return stateManager->RegisterAccessKey(aFrame, (PRUint32)accessKey.First());
|
|
} else {
|
|
return stateManager->UnregisterAccessKey(aFrame);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::InitializeControl(nsIPresContext* aPresContext)
|
|
{
|
|
RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
|
|
{
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::ScrollIntoView(nsIPresContext* aPresContext)
|
|
{
|
|
if (aPresContext) {
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
aPresContext->GetShell(getter_AddRefs(presShell));
|
|
presShell->ScrollFrameIntoView(this,
|
|
NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE,NS_PRESSHELL_SCROLL_IF_NOT_VISIBLE);
|
|
|
|
}
|
|
}
|
|
|
|
/*
|
|
* FIXME: this ::GetIID() method has no meaning in life and should be
|
|
* removed.
|
|
* Pierre Phaneuf <pp@ludusdesign.com>
|
|
*/
|
|
const nsIID&
|
|
nsFormControlFrame::GetIID()
|
|
{
|
|
static NS_DEFINE_IID(kButtonIID, NS_IBUTTON_IID);
|
|
return kButtonIID;
|
|
}
|
|
|
|
const nsIID&
|
|
nsFormControlFrame::GetCID()
|
|
{
|
|
static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
|
|
return kButtonCID;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetMaxLength(PRInt32* aSize)
|
|
{
|
|
*aSize = -1;
|
|
nsresult result = NS_CONTENT_ATTR_NOT_THERE;
|
|
nsIHTMLContent* content = nsnull;
|
|
mContent->QueryInterface(kIHTMLContentIID, (void**) &content);
|
|
if (nsnull != content) {
|
|
nsHTMLValue value;
|
|
result = content->GetHTMLAttribute(nsHTMLAtoms::maxlength, value);
|
|
if (eHTMLUnit_Integer == value.GetUnit()) {
|
|
*aSize = value.GetIntValue();
|
|
}
|
|
NS_RELEASE(content);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetSizeFromContent(PRInt32* aSize) const
|
|
{
|
|
*aSize = -1;
|
|
nsresult result = NS_CONTENT_ATTR_NOT_THERE;
|
|
nsIHTMLContent* content = nsnull;
|
|
mContent->QueryInterface(kIHTMLContentIID, (void**) &content);
|
|
if (nsnull != content) {
|
|
nsHTMLValue value;
|
|
result = content->GetHTMLAttribute(nsHTMLAtoms::size, value);
|
|
if (eHTMLUnit_Integer == value.GetUnit()) {
|
|
*aSize = value.GetIntValue();
|
|
}
|
|
NS_RELEASE(content);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetType(PRInt32* aType) const
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (mContent) {
|
|
nsIFormControl* formControl = nsnull;
|
|
result = mContent->QueryInterface(kIFormControlIID, (void**)&formControl);
|
|
if ((NS_OK == result) && formControl) {
|
|
result = formControl->GetType(aType);
|
|
NS_RELEASE(formControl);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetName(nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (mContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = mContent->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;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetValue(nsString* aResult)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
if (mContent) {
|
|
nsIHTMLContent* formControl = nsnull;
|
|
result = mContent->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;
|
|
}
|
|
|
|
|
|
PRBool
|
|
nsFormControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
|
|
{
|
|
nsAutoString name;
|
|
// Since JS Submit() calls are not linked to an element, aSubmitter is null.
|
|
// Return success to allow the call to go through.
|
|
if (aSubmitter == nsnull) return PR_TRUE;
|
|
return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
|
|
}
|
|
|
|
NS_METHOD
|
|
nsFormControlFrame::HandleEvent(nsIPresContext* aPresContext,
|
|
nsGUIEvent* aEvent,
|
|
nsEventStatus* aEventStatus)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aEventStatus);
|
|
if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// if not native then use the NS_MOUSE_LEFT_CLICK to see if pressed
|
|
// unfortunately native widgets don't seem to handle this right.
|
|
// so use the old code for native stuff. -EDV
|
|
switch (aEvent->message) {
|
|
case NS_MOUSE_LEFT_CLICK:
|
|
MouseClicked(aPresContext);
|
|
break;
|
|
|
|
case NS_KEY_DOWN:
|
|
if (NS_KEY_EVENT == aEvent->eventStructType) {
|
|
nsKeyEvent* keyEvent = (nsKeyEvent*)aEvent;
|
|
if (NS_VK_RETURN == keyEvent->keyCode) {
|
|
EnterPressed(aPresContext);
|
|
}
|
|
//else if (NS_VK_SPACE == keyEvent->keyCode) {
|
|
// MouseClicked(aPresContext);
|
|
//}
|
|
}
|
|
break;
|
|
}
|
|
|
|
*aEventStatus = nsEventStatus_eConsumeDoDefault;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::GetStyleSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsSize& aSize)
|
|
{
|
|
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE) {
|
|
aSize.width = aReflowState.mComputedWidth;
|
|
}
|
|
else {
|
|
aSize.width = CSS_NOTSET;
|
|
}
|
|
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE) {
|
|
aSize.height = aReflowState.mComputedHeight;
|
|
}
|
|
else {
|
|
aSize.height = CSS_NOTSET;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFormControlFrame::Reset(nsIPresContext* aPresContext)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetFormContent(nsIContent*& aContent) const
|
|
{
|
|
nsIContent* content;
|
|
nsresult rv;
|
|
|
|
rv = GetContent(&content);
|
|
aContent = content;
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetFont(nsIPresContext* aPresContext,
|
|
const nsFont*& aFont)
|
|
{
|
|
return nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetDefaultCheckState(PRBool *aState)
|
|
{ nsresult res = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElement;
|
|
if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
|
|
res = inputElement->GetDefaultChecked(aState);
|
|
NS_RELEASE(inputElement);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::SetDefaultCheckState(PRBool aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElement;
|
|
if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
|
|
res = inputElement->SetDefaultChecked(aState);
|
|
NS_RELEASE(inputElement);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetCurrentCheckState(PRBool *aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElement;
|
|
if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
|
|
res = inputElement->GetChecked(aState);
|
|
NS_RELEASE(inputElement);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::SetCurrentCheckState(PRBool aState)
|
|
{
|
|
nsresult res = NS_OK;
|
|
nsIDOMHTMLInputElement* inputElement;
|
|
if (NS_OK == mContent->QueryInterface(kIDOMHTMLInputElementIID, (void**)&inputElement)) {
|
|
inputElement->SetChecked(aState);
|
|
NS_RELEASE(inputElement);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetProperty(nsIPresContext* aPresContext, nsIAtom* aName, const nsString& aValue)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::RequiresWidget(PRBool & aRequiresWidget)
|
|
{
|
|
aRequiresWidget = PR_TRUE;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsFormControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
|
|
{
|
|
mSuggestedWidth = aWidth;
|
|
mSuggestedHeight = aHeight;
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// static
|
|
nsresult nsFormControlFrame::PaintSpecialBorder(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
nsIFrame *aFrame,
|
|
const nsRect& aDirtyRect,
|
|
const nsRect& aRect)
|
|
{
|
|
NS_ASSERTION( aPresContext, "PresContext cannot be null");
|
|
NS_ASSERTION( aFrame, "Frame cannot be null");
|
|
|
|
nsresult rv=NS_OK;
|
|
#if 0
|
|
if(aPresContext && aFrame){
|
|
// first probe for the pseudo-style context for the frame
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
aFrame->GetContent(getter_AddRefs(content));
|
|
nsCOMPtr<nsIStyleContext> context;
|
|
aFrame->GetStyleContext(getter_AddRefs(context));
|
|
nsCOMPtr<nsIStyleContext> specialBorderStyle;
|
|
|
|
// style for the inner such as a dotted line (Windows)
|
|
aPresContext->ProbePseudoStyleContextFor(content, nsHTMLAtoms::mozControlSpecialBorderPseudo, context,
|
|
PR_FALSE,
|
|
getter_AddRefs(specialBorderStyle));
|
|
if (specialBorderStyle){
|
|
// paint the border
|
|
|
|
const nsStyleSpacing* spacing = (const nsStyleSpacing*)specialBorderStyle ->GetStyleData(eStyleStruct_Spacing);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, aFrame,
|
|
aDirtyRect, aRect, *spacing, specialBorderStyle, 0);
|
|
}
|
|
|
|
} else {
|
|
rv = NS_ERROR_NULL_POINTER;
|
|
}
|
|
#endif
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsFormControlFrame::GetScreenHeight(nsIPresContext* aPresContext, nscoord& aHeight)
|
|
{
|
|
aHeight = 0;
|
|
nsIDeviceContext* context;
|
|
aPresContext->GetDeviceContext( &context );
|
|
if ( nsnull != context ) {
|
|
PRInt32 height;
|
|
PRInt32 width;
|
|
context->GetDeviceSurfaceDimensions(width, height);
|
|
float devUnits;
|
|
context->GetDevUnitsToAppUnits(devUnits);
|
|
aHeight = NSToIntRound(float( height) / devUnits );
|
|
NS_RELEASE( context );
|
|
return NS_OK;
|
|
}
|
|
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Calculate a frame's position in screen coordinates
|
|
nsresult
|
|
nsFormControlFrame::GetAbsoluteFramePosition(nsIPresContext* aPresContext,
|
|
nsIFrame *aFrame,
|
|
nsRect& aAbsoluteTwipsRect,
|
|
nsRect& aAbsolutePixelRect)
|
|
{
|
|
//XXX: This code needs to take the view's offset into account when calculating
|
|
//the absolute coordinate of the frame.
|
|
nsresult rv = NS_OK;
|
|
|
|
aFrame->GetRect(aAbsoluteTwipsRect);
|
|
// zero these out,
|
|
// because the GetOffsetFromView figures them out
|
|
aAbsoluteTwipsRect.x = 0;
|
|
aAbsoluteTwipsRect.y = 0;
|
|
|
|
// Get conversions between twips and pixels
|
|
float t2p;
|
|
float p2t;
|
|
aPresContext->GetTwipsToPixels(&t2p);
|
|
aPresContext->GetPixelsToTwips(&p2t);
|
|
|
|
// Add in frame's offset from it it's containing view
|
|
nsIView *containingView = nsnull;
|
|
nsPoint offset;
|
|
rv = aFrame->GetOffsetFromView(aPresContext, offset, &containingView);
|
|
if (NS_SUCCEEDED(rv) && (nsnull != containingView)) {
|
|
aAbsoluteTwipsRect.x += offset.x;
|
|
aAbsoluteTwipsRect.y += offset.y;
|
|
|
|
nsPoint viewOffset;
|
|
containingView->GetPosition(&viewOffset.x, &viewOffset.y);
|
|
nsIView * parent;
|
|
containingView->GetParent(parent);
|
|
while (nsnull != parent) {
|
|
nsPoint po;
|
|
parent->GetPosition(&po.x, &po.y);
|
|
viewOffset.x += po.x;
|
|
viewOffset.y += po.y;
|
|
nsIScrollableView * scrollView;
|
|
if (NS_OK == containingView->QueryInterface(NS_GET_IID(nsIScrollableView), (void **)&scrollView)) {
|
|
nscoord x;
|
|
nscoord y;
|
|
scrollView->GetScrollPosition(x, y);
|
|
viewOffset.x -= x;
|
|
viewOffset.y -= y;
|
|
}
|
|
nsIWidget * widget;
|
|
parent->GetWidget(widget);
|
|
if (nsnull != widget) {
|
|
// Add in the absolute offset of the widget.
|
|
nsRect absBounds;
|
|
nsRect lc;
|
|
widget->WidgetToScreen(lc, absBounds);
|
|
// Convert widget coordinates to twips
|
|
aAbsoluteTwipsRect.x += NSIntPixelsToTwips(absBounds.x, p2t);
|
|
aAbsoluteTwipsRect.y += NSIntPixelsToTwips(absBounds.y, p2t);
|
|
NS_RELEASE(widget);
|
|
break;
|
|
}
|
|
parent->GetParent(parent);
|
|
}
|
|
aAbsoluteTwipsRect.x += viewOffset.x;
|
|
aAbsoluteTwipsRect.y += viewOffset.y;
|
|
}
|
|
|
|
// convert to pixel coordinates
|
|
if (NS_SUCCEEDED(rv)) {
|
|
aAbsolutePixelRect.x = NSTwipsToIntPixels(aAbsoluteTwipsRect.x, t2p);
|
|
aAbsolutePixelRect.y = NSTwipsToIntPixels(aAbsoluteTwipsRect.y, t2p);
|
|
aAbsolutePixelRect.width = NSTwipsToIntPixels(aAbsoluteTwipsRect.width, t2p);
|
|
aAbsolutePixelRect.height = NSTwipsToIntPixels(aAbsoluteTwipsRect.height, t2p);
|
|
}
|
|
|
|
return rv;
|
|
}
|