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gecko-dev/layout/forms/nsHTMLButtonControlFrame.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsHTMLButtonControlFrame.h"
#include "nsCOMPtr.h"
#include "nsHTMLContainerFrame.h"
#include "nsFormControlHelper.h"
#include "nsIFormControlFrame.h"
#include "nsHTMLParts.h"
#include "nsIFormControl.h"
#include "nsFormFrame.h"
#include "nsIRenderingContext.h"
#include "nsIPresContext.h"
#include "nsIPresShell.h"
#include "nsIStyleContext.h"
#include "nsLeafFrame.h"
#include "nsCSSRendering.h"
#include "nsHTMLIIDs.h"
#include "nsISupports.h"
#include "nsHTMLAtoms.h"
#include "nsIImage.h"
#include "nsStyleUtil.h"
#include "nsDOMEvent.h"
#include "nsStyleConsts.h"
#include "nsIHTMLAttributes.h"
#include "nsGenericHTMLElement.h"
#include "nsIWidget.h"
#include "nsIComponentManager.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsViewsCID.h"
#include "nsColor.h"
#include "nsIDocument.h"
#include "nsButtonFrameRenderer.h"
static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
static NS_DEFINE_IID(kViewCID, NS_VIEW_CID);
static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
nsresult
NS_NewHTMLButtonControlFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsHTMLButtonControlFrame* it = new (aPresShell) nsHTMLButtonControlFrame;
if (!it) {
return NS_ERROR_OUT_OF_MEMORY;
}
*aNewFrame = it;
return NS_OK;
}
nsHTMLButtonControlFrame::nsHTMLButtonControlFrame()
: nsHTMLContainerFrame()
{
mInline = PR_TRUE;
mPreviousCursor = eCursor_standard;
mTranslatedRect = nsRect(0,0,0,0);
mDidInit = PR_FALSE;
mRenderer.SetNameSpace(kNameSpaceID_None);
}
nsHTMLButtonControlFrame::~nsHTMLButtonControlFrame()
{
if (mFormFrame) {
mFormFrame->RemoveFormControlFrame(*this);
mFormFrame = nsnull;
}
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::Init(nsIPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsIStyleContext* aContext,
nsIFrame* aPrevInFlow)
{
nsresult rv = nsHTMLContainerFrame::Init(aPresContext, aContent, aParent, aContext, aPrevInFlow);
mRenderer.SetFrame(this,aPresContext);
// cache our display type
const nsStyleDisplay* styleDisplay;
GetStyleData(eStyleStruct_Display, (const nsStyleStruct*&) styleDisplay);
mInline = (NS_STYLE_DISPLAY_BLOCK != styleDisplay->mDisplay);
PRUint32 flags = NS_BLOCK_SPACE_MGR;
if (mInline) {
flags |= NS_BLOCK_SHRINK_WRAP;
}
nsCOMPtr<nsIPresShell> shell;
aPresContext->GetShell(getter_AddRefs(shell));
nsIFrame* areaFrame;
NS_NewAreaFrame(shell, &areaFrame, flags);
mFrames.SetFrames(areaFrame);
// Resolve style and initialize the frame
nsIStyleContext* styleContext;
aPresContext->ResolvePseudoStyleContextFor(mContent, nsHTMLAtoms::buttonContentPseudo,
mStyleContext, PR_FALSE,
&styleContext);
mFrames.FirstChild()->Init(aPresContext, mContent, this, styleContext, nsnull);
NS_RELEASE(styleContext);
return rv;
}
nsrefcnt nsHTMLButtonControlFrame::AddRef(void)
{
NS_WARNING("not supported");
return 1;
}
nsrefcnt nsHTMLButtonControlFrame::Release(void)
{
NS_WARNING("not supported");
return 1;
}
// Frames are not refcounted, no need to AddRef
NS_IMETHODIMP
nsHTMLButtonControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
{
NS_PRECONDITION(0 != aInstancePtr, "null ptr");
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIFormControlFrameIID)) {
*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
return NS_OK;
}
return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
}
void
nsHTMLButtonControlFrame::GetDefaultLabel(nsString& aString)
{
PRInt32 type;
GetType(&type);
if (NS_FORM_BUTTON_BUTTON == type) {
aString = "Button";
}
else if (NS_FORM_BUTTON_RESET == type) {
aString = "Reset";
}
else if (NS_FORM_BUTTON_SUBMIT == type) {
aString = "Submit";
}
}
PRInt32
nsHTMLButtonControlFrame::GetMaxNumValues()
{
return 1;
}
PRBool
nsHTMLButtonControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
nsString* aValues, nsString* aNames)
{
nsAutoString name;
nsresult result = GetName(&name);
if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
return PR_FALSE;
}
PRInt32 type;
GetType(&type);
nsAutoString value;
nsresult valResult = GetValue(&value);
if (NS_CONTENT_ATTR_HAS_VALUE == valResult) {
aValues[0] = value;
aNames[0] = name;
aNumValues = 1;
return PR_TRUE;
} else {
aNumValues = 0;
return PR_FALSE;
}
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::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
nsHTMLButtonControlFrame::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
nsHTMLButtonControlFrame::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
nsHTMLButtonControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
{
if (this == (aSubmitter)) {
nsAutoString name;
return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
} else {
return PR_FALSE;
}
}
PRBool
nsHTMLButtonControlFrame::IsReset(PRInt32 type)
{
if (NS_FORM_BUTTON_RESET == type) {
return PR_TRUE;
} else {
return PR_FALSE;
}
}
PRBool
nsHTMLButtonControlFrame::IsSubmit(PRInt32 type)
{
if (NS_FORM_BUTTON_SUBMIT == type) {
return PR_TRUE;
} else {
return PR_FALSE;
}
}
void
nsHTMLButtonControlFrame::MouseClicked(nsIPresContext* aPresContext)
{
PRInt32 type;
GetType(&type);
if ((nsnull != mFormFrame) && !nsFormFrame::GetDisabled(this)) {
nsEventStatus status = nsEventStatus_eIgnore;
nsEvent event;
event.eventStructType = NS_EVENT;
nsIContent *formContent = nsnull;
mFormFrame->GetContent(&formContent);
if (IsReset(type) == PR_TRUE) {
event.message = NS_FORM_RESET;
if (nsnull != formContent) {
formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
}
if (nsEventStatus_eConsumeNoDefault != status) {
mFormFrame->OnReset(aPresContext);
}
}
else if (IsSubmit(type) == PR_TRUE) {
event.message = NS_FORM_SUBMIT;
if (nsnull != formContent) {
formContent->HandleDOMEvent(aPresContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
}
if (nsEventStatus_eConsumeNoDefault != status) {
mFormFrame->OnSubmit(aPresContext, this);
}
}
NS_IF_RELEASE(formContent);
}
}
void
nsHTMLButtonControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
{
}
void
nsHTMLButtonControlFrame::ScrollIntoView(nsIPresContext* aPresContext)
{
if (aPresContext) {
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
presShell->ScrollFrameIntoView(this,
NS_PRESSHELL_SCROLL_ANYWHERE,NS_PRESSHELL_SCROLL_ANYWHERE);
}
}
void
nsHTMLButtonControlFrame::GetTranslatedRect(nsIPresContext* aPresContext, nsRect& aRect)
{
nsIView* view;
nsPoint viewOffset(0,0);
GetOffsetFromView(aPresContext, viewOffset, &view);
while (nsnull != view) {
nsPoint tempOffset;
view->GetPosition(&tempOffset.x, &tempOffset.y);
viewOffset += tempOffset;
view->GetParent(view);
}
aRect = nsRect(viewOffset.x, viewOffset.y, mRect.width, mRect.height);
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::HandleEvent(nsIPresContext* aPresContext,
nsGUIEvent* aEvent,
nsEventStatus* aEventStatus)
{
// if disabled do nothing
if (mRenderer.isDisabled()) {
return NS_OK;
}
// lets see if the button was clicked. -EDV
switch (aEvent->message) {
case NS_MOUSE_LEFT_CLICK:
MouseClicked(aPresContext);
break;
}
// we don't want our children to get any events. So just pass it to frame.
return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::GetFrameForPoint(nsIPresContext* aPresContext,
const nsPoint& aPoint,
nsIFrame** aFrame)
{
*aFrame = this;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::SetInitialChildList(nsIPresContext* aPresContext,
nsIAtom* aListName,
nsIFrame* aChildList)
{
// add ourself as an nsIFormControlFrame
nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
// Set the parent for each of the child frames
for (nsIFrame* frame = aChildList; nsnull != frame; frame->GetNextSibling(&frame)) {
frame->SetParent(mFrames.FirstChild());
}
// Queue up the frames for the inline frame
return mFrames.FirstChild()->SetInitialChildList(aPresContext, nsnull, aChildList);
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::Paint(nsIPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer)
{
const nsStyleDisplay* disp = (const nsStyleDisplay*)
mStyleContext->GetStyleData(eStyleStruct_Display);
if (disp->mVisible)
{
nsRect rect(0, 0, mRect.width, mRect.height);
mRenderer.PaintButton(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer, rect);
}
#if 0 // old way
PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
#else // temporary
// XXX This is temporary
// clips to it's size minus the border
// but the real problem is the FirstChild (the AreaFrame)
// isn't being constrained properly
// Bug #17474
const nsStyleSpacing* spacing;
GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)spacing);
nsMargin border;
border.SizeTo(0, 0, 0, 0);
spacing->CalcBorderFor(this, border);
nsRect rect;
GetRect(rect);
rect.x = 0;
rect.y = 0;
rect.Deflate(border);
aRenderingContext.PushState();
PRBool clipEmpty;
aRenderingContext.SetClipRect(rect, nsClipCombine_kReplace, clipEmpty);
PaintChildren(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
aRenderingContext.PopState(clipEmpty);
#endif
return NS_OK;
}
// XXX a hack until the reflow state does this correctly
// XXX when it gets fixed, leave in the printf statements or add an assertion
static
void ButtonHack(nsHTMLReflowState& aReflowState, char* aMessage)
{
if (aReflowState.mComputedWidth == 0) {
aReflowState.mComputedWidth = aReflowState.availableWidth;
}
if ((aReflowState.mComputedWidth != NS_INTRINSICSIZE) &&
(aReflowState.mComputedWidth > aReflowState.availableWidth) &&
(aReflowState.availableWidth > 0)) {
// printf("BUG - %s has a computed width = %d, available width = %d \n",
// aMessage, aReflowState.mComputedWidth, aReflowState.availableWidth);
aReflowState.mComputedWidth = aReflowState.availableWidth;
}
if (aReflowState.mComputedHeight == 0) {
aReflowState.mComputedHeight = aReflowState.availableHeight;
}
if ((aReflowState.mComputedHeight != NS_INTRINSICSIZE) &&
(aReflowState.mComputedHeight > aReflowState.availableHeight) &&
(aReflowState.availableHeight > 0)) {
// printf("BUG - %s has a computed height = %d, available height = %d \n",
// aMessage, aReflowState.mComputedHeight, aReflowState.availableHeight);
aReflowState.mComputedHeight = aReflowState.availableHeight;
}
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::AddComputedBorderPaddingToDesiredSize(nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aSuggestedReflowState)
{
aDesiredSize.width += aSuggestedReflowState.mComputedBorderPadding.left + aSuggestedReflowState.mComputedBorderPadding.right;
aDesiredSize.height += aSuggestedReflowState.mComputedBorderPadding.top + aSuggestedReflowState.mComputedBorderPadding.bottom;
return NS_OK;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::Reflow(nsIPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
}
// XXX remove the following when the reflow state is fixed
ButtonHack((nsHTMLReflowState&)aReflowState, "html4 button");
// commenting this out for now. We need a view to do mouse grabbing but
// it doesn't really seem to work correctly. When you press the only event
// you can get after that is a release. You need mouse enter and exit.
// the view also breaks the outline code. For some reason you can not reset
// the clip rect to draw outside you bounds if you have a view. And you need to
// because the outline must be drawn outside of our bounds according to CSS. -EDV
// XXX If you do decide you need a view, then create it in the Init() function
// and not here...
#if 0
if (!mDidInit) {
// create our view, we need a view to grab the mouse
nsIView* view;
GetView(&view);
if (!view) {
nsresult result = nsComponentManager::CreateInstance(kViewCID, nsnull, kIViewIID, (void **)&view);
nsCOMPtr<nsIPresShell> presShell;
aPresContext->GetShell(getter_AddRefs(presShell));
nsCOMPtr<nsIViewManager> viewMan;
presShell->GetViewManager(getter_AddRefs(viewMan));
nsIFrame* parWithView;
nsIView *parView;
GetParentWithView(&parWithView);
parWithView->GetView(&parView);
// the view's size is not know yet, but its size will be kept in synch with our frame.
nsRect boundBox(0, 0, 500, 500);
result = view->Init(viewMan, boundBox, parView, nsnull);
viewMan->InsertChild(parView, view, 0);
SetView(view);
const nsStyleColor* color = (const nsStyleColor*) mStyleContext->GetStyleData(eStyleStruct_Color);
// set the opacity
viewMan->SetViewOpacity(view, color->mOpacity);
}
mDidInit = PR_TRUE;
}
#endif
// reflow the child
nsIFrame* firstKid = mFrames.FirstChild();
nsSize availSize(aReflowState.mComputedWidth, NS_INTRINSICSIZE);
// indent the child inside us by the the focus border. We must do this separate from the
// regular border.
nsMargin focusPadding = mRenderer.GetAddedButtonBorderAndPadding();
if (NS_INTRINSICSIZE != availSize.width) {
availSize.width -= focusPadding.left + focusPadding.right;
availSize.width = PR_MAX(availSize.width,0);
}
if (NS_AUTOHEIGHT != availSize.height) {
availSize.height -= focusPadding.top + focusPadding.bottom;
availSize.height = PR_MAX(availSize.height,0);
}
nsHTMLReflowState reflowState(aPresContext, aReflowState, firstKid, availSize);
//reflowState.computedWidth = availSize;
// XXX remove the following when the reflow state is fixed
//ButtonHack(reflowState, "html4 button's area");
// XXX Proper handling of incremental reflow...
if (eReflowReason_Incremental == aReflowState.reason) {
nsIFrame* targetFrame;
// See if it's targeted at us
aReflowState.reflowCommand->GetTarget(targetFrame);
if (this == targetFrame) {
Invalidate(aPresContext, nsRect(0,0,mRect.width,mRect.height), PR_FALSE);
nsIReflowCommand::ReflowType reflowType;
aReflowState.reflowCommand->GetType(reflowType);
if (nsIReflowCommand::StyleChanged == reflowType) {
reflowState.reason = eReflowReason_StyleChange;
}
else {
reflowState.reason = eReflowReason_Resize;
}
} else {
nsIFrame* nextFrame;
// Remove the next frame from the reflow path
aReflowState.reflowCommand->GetNext(nextFrame);
}
}
ReflowChild(firstKid, aPresContext, aDesiredSize, reflowState,
focusPadding.left + aReflowState.mComputedBorderPadding.left,
focusPadding.top + aReflowState.mComputedBorderPadding.top,
0, aStatus);
// Place the child
FinishReflowChild(firstKid, aPresContext, aDesiredSize,
focusPadding.left + aReflowState.mComputedBorderPadding.left,
focusPadding.top + aReflowState.mComputedBorderPadding.top, 0);
#if 0 // old way
// if computed use the computed values.
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE && (aDesiredSize.width < aReflowState.mComputedWidth))
aDesiredSize.width = aReflowState.mComputedWidth;
else
aDesiredSize.width += focusPadding.left + focusPadding.right;
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE && (aDesiredSize.height < aReflowState.mComputedHeight))
aDesiredSize.height = aReflowState.mComputedHeight;
else
aDesiredSize.height += focusPadding.top + focusPadding.bottom;
#else // temporary for Bug #17474
// if computed use the computed values.
if (aReflowState.mComputedWidth != NS_INTRINSICSIZE)
aDesiredSize.width = aReflowState.mComputedWidth;
else
aDesiredSize.width += focusPadding.left + focusPadding.right;
if (aReflowState.mComputedHeight != NS_INTRINSICSIZE)
aDesiredSize.height = aReflowState.mComputedHeight;
else
aDesiredSize.height += focusPadding.top + focusPadding.bottom;
#endif
AddComputedBorderPaddingToDesiredSize(aDesiredSize, aReflowState);
//aDesiredSize.width += aReflowState.mComputedBorderPadding.left + aReflowState.mComputedBorderPadding.right;
//aDesiredSize.height += aReflowState.mComputedBorderPadding.top + aReflowState.mComputedBorderPadding.bottom;
//adjust our max element size, if necessary
if (aDesiredSize.maxElementSize) {
aDesiredSize.AddBorderPaddingToMaxElementSize(aReflowState.mComputedBorderPadding);
}
aDesiredSize.ascent = aDesiredSize.height;
aDesiredSize.descent = 0;
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
PRIntn
nsHTMLButtonControlFrame::GetSkipSides() const
{
return 0;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::GetFont(nsIPresContext* aPresContext,
nsFont& aFont)
{
nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
return NS_OK;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::GetFormContent(nsIContent*& aContent) const
{
nsIContent* content;
nsresult rv;
rv = GetContent(&content);
aContent = content;
return rv;
}
nscoord
nsHTMLButtonControlFrame::GetVerticalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerHeight) const
{
return 0;
}
nscoord
nsHTMLButtonControlFrame::GetHorizontalInsidePadding(nsIPresContext* aPresContext,
float aPixToTwip,
nscoord aInnerWidth,
nscoord aCharWidth) const
{
return 0;
}
nsresult nsHTMLButtonControlFrame::RequiresWidget(PRBool& aRequiresWidget)
{
aRequiresWidget = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsHTMLButtonControlFrame::SetProperty(nsIPresContext* aPresContext,
nsIAtom* aName, const nsString& aValue)
{
return NS_OK;
}
NS_IMETHODIMP nsHTMLButtonControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
{
return NS_OK;
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::GetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext** aStyleContext) const
{
return mRenderer.GetStyleContext(aIndex, aStyleContext);
}
NS_IMETHODIMP
nsHTMLButtonControlFrame::SetAdditionalStyleContext(PRInt32 aIndex,
nsIStyleContext* aStyleContext)
{
return mRenderer.SetStyleContext(aIndex, aStyleContext);
}
NS_IMETHODIMP nsHTMLButtonControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
{
// mSuggestedWidth = aWidth;
// mSuggestedHeight = aHeight;
return NS_OK;
}
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