gecko-dev/layout/xul/nsListBoxObject.cpp
Robert O'Callahan e96ed2b16c Bug 945091. Part 3: Flatten layout/xul/base/* into layout/xul. r=glandium
--HG--
rename : layout/xul/base/src/crashtests/131008-1.xul => layout/xul/crashtests/131008-1.xul
rename : layout/xul/base/src/crashtests/137216-1.xul => layout/xul/crashtests/137216-1.xul
rename : layout/xul/base/src/crashtests/140218-1.xml => layout/xul/crashtests/140218-1.xml
rename : layout/xul/base/src/crashtests/151826-1.xul => layout/xul/crashtests/151826-1.xul
rename : layout/xul/base/src/crashtests/168724-1.xul => layout/xul/crashtests/168724-1.xul
rename : layout/xul/base/src/crashtests/189814-1.xul => layout/xul/crashtests/189814-1.xul
rename : layout/xul/base/src/crashtests/237787-1.xul => layout/xul/crashtests/237787-1.xul
rename : layout/xul/base/src/crashtests/265161-1.xul => layout/xul/crashtests/265161-1.xul
rename : layout/xul/base/src/crashtests/289410-1.xul => layout/xul/crashtests/289410-1.xul
rename : layout/xul/base/src/crashtests/291702-1.xul => layout/xul/crashtests/291702-1.xul
rename : layout/xul/base/src/crashtests/291702-2.xul => layout/xul/crashtests/291702-2.xul
rename : layout/xul/base/src/crashtests/291702-3.xul => layout/xul/crashtests/291702-3.xul
rename : layout/xul/base/src/crashtests/294371-1.xul => layout/xul/crashtests/294371-1.xul
rename : layout/xul/base/src/crashtests/311457-1.html => layout/xul/crashtests/311457-1.html
rename : layout/xul/base/src/crashtests/321056-1.xhtml => layout/xul/crashtests/321056-1.xhtml
rename : layout/xul/base/src/crashtests/322786-1.xul => layout/xul/crashtests/322786-1.xul
rename : layout/xul/base/src/crashtests/325377.xul => layout/xul/crashtests/325377.xul
rename : layout/xul/base/src/crashtests/326834-1-inner.xul => layout/xul/crashtests/326834-1-inner.xul
rename : layout/xul/base/src/crashtests/326834-1.html => layout/xul/crashtests/326834-1.html
rename : layout/xul/base/src/crashtests/326879-1.xul => layout/xul/crashtests/326879-1.xul
rename : layout/xul/base/src/crashtests/327776-1.xul => layout/xul/crashtests/327776-1.xul
rename : layout/xul/base/src/crashtests/328135-1.xul => layout/xul/crashtests/328135-1.xul
rename : layout/xul/base/src/crashtests/329327-1.xul => layout/xul/crashtests/329327-1.xul
rename : layout/xul/base/src/crashtests/329407-1.xml => layout/xul/crashtests/329407-1.xml
rename : layout/xul/base/src/crashtests/329477-1.xhtml => layout/xul/crashtests/329477-1.xhtml
rename : layout/xul/base/src/crashtests/336962-1.xul => layout/xul/crashtests/336962-1.xul
rename : layout/xul/base/src/crashtests/344228-1.xul => layout/xul/crashtests/344228-1.xul
rename : layout/xul/base/src/crashtests/346083-1.xul => layout/xul/crashtests/346083-1.xul
rename : layout/xul/base/src/crashtests/346281-1.xul => layout/xul/crashtests/346281-1.xul
rename : layout/xul/base/src/crashtests/350460.xul => layout/xul/crashtests/350460.xul
rename : layout/xul/base/src/crashtests/360642-1.xul => layout/xul/crashtests/360642-1.xul
rename : layout/xul/base/src/crashtests/365151.xul => layout/xul/crashtests/365151.xul
rename : layout/xul/base/src/crashtests/366112-1.xul => layout/xul/crashtests/366112-1.xul
rename : layout/xul/base/src/crashtests/369942-1.xhtml => layout/xul/crashtests/369942-1.xhtml
rename : layout/xul/base/src/crashtests/374102-1.xul => layout/xul/crashtests/374102-1.xul
rename : layout/xul/base/src/crashtests/376137-1.html => layout/xul/crashtests/376137-1.html
rename : layout/xul/base/src/crashtests/376137-2.html => layout/xul/crashtests/376137-2.html
rename : layout/xul/base/src/crashtests/377592-1.svg => layout/xul/crashtests/377592-1.svg
rename : layout/xul/base/src/crashtests/381862.html => layout/xul/crashtests/381862.html
rename : layout/xul/base/src/crashtests/382746-1.xul => layout/xul/crashtests/382746-1.xul
rename : layout/xul/base/src/crashtests/382899-1.xul => layout/xul/crashtests/382899-1.xul
rename : layout/xul/base/src/crashtests/383236-1.xul => layout/xul/crashtests/383236-1.xul
rename : layout/xul/base/src/crashtests/384037-1.xhtml => layout/xul/crashtests/384037-1.xhtml
rename : layout/xul/base/src/crashtests/384105-1-inner.xul => layout/xul/crashtests/384105-1-inner.xul
rename : layout/xul/base/src/crashtests/384105-1.html => layout/xul/crashtests/384105-1.html
rename : layout/xul/base/src/crashtests/384491-1.xhtml => layout/xul/crashtests/384491-1.xhtml
rename : layout/xul/base/src/crashtests/384871-1-inner.xul => layout/xul/crashtests/384871-1-inner.xul
rename : layout/xul/base/src/crashtests/384871-1.html => layout/xul/crashtests/384871-1.html
rename : layout/xul/base/src/crashtests/387033-1.xhtml => layout/xul/crashtests/387033-1.xhtml
rename : layout/xul/base/src/crashtests/387080-1.xul => layout/xul/crashtests/387080-1.xul
rename : layout/xul/base/src/crashtests/391974-1-inner.xul => layout/xul/crashtests/391974-1-inner.xul
rename : layout/xul/base/src/crashtests/391974-1.html => layout/xul/crashtests/391974-1.html
rename : layout/xul/base/src/crashtests/394120-1.xhtml => layout/xul/crashtests/394120-1.xhtml
rename : layout/xul/base/src/crashtests/397293.xhtml => layout/xul/crashtests/397293.xhtml
rename : layout/xul/base/src/crashtests/397304-1.html => layout/xul/crashtests/397304-1.html
rename : layout/xul/base/src/crashtests/398326-1.xhtml => layout/xul/crashtests/398326-1.xhtml
rename : layout/xul/base/src/crashtests/399013.xul => layout/xul/crashtests/399013.xul
rename : layout/xul/base/src/crashtests/400779-1.xhtml => layout/xul/crashtests/400779-1.xhtml
rename : layout/xul/base/src/crashtests/402912-1.xhtml => layout/xul/crashtests/402912-1.xhtml
rename : layout/xul/base/src/crashtests/408904-1.xul => layout/xul/crashtests/408904-1.xul
rename : layout/xul/base/src/crashtests/412479-1.xhtml => layout/xul/crashtests/412479-1.xhtml
rename : layout/xul/base/src/crashtests/415394-1.xhtml => layout/xul/crashtests/415394-1.xhtml
rename : layout/xul/base/src/crashtests/420424-1.xul => layout/xul/crashtests/420424-1.xul
rename : layout/xul/base/src/crashtests/430356-1.xhtml => layout/xul/crashtests/430356-1.xhtml
rename : layout/xul/base/src/crashtests/431738.xhtml => layout/xul/crashtests/431738.xhtml
rename : layout/xul/base/src/crashtests/432058-1.xul => layout/xul/crashtests/432058-1.xul
rename : layout/xul/base/src/crashtests/432068-1.xul => layout/xul/crashtests/432068-1.xul
rename : layout/xul/base/src/crashtests/432068-2.xul => layout/xul/crashtests/432068-2.xul
rename : layout/xul/base/src/crashtests/433296-1.xul => layout/xul/crashtests/433296-1.xul
rename : layout/xul/base/src/crashtests/433429.xul => layout/xul/crashtests/433429.xul
rename : layout/xul/base/src/crashtests/434458-1.xul => layout/xul/crashtests/434458-1.xul
rename : layout/xul/base/src/crashtests/452185.html => layout/xul/crashtests/452185.html
rename : layout/xul/base/src/crashtests/452185.xml => layout/xul/crashtests/452185.xml
rename : layout/xul/base/src/crashtests/460900-1.xul => layout/xul/crashtests/460900-1.xul
rename : layout/xul/base/src/crashtests/464149-1.xul => layout/xul/crashtests/464149-1.xul
rename : layout/xul/base/src/crashtests/464407-1.xhtml => layout/xul/crashtests/464407-1.xhtml
rename : layout/xul/base/src/crashtests/467080.xul => layout/xul/crashtests/467080.xul
rename : layout/xul/base/src/crashtests/467481-1.xul => layout/xul/crashtests/467481-1.xul
rename : layout/xul/base/src/crashtests/470063-1.html => layout/xul/crashtests/470063-1.html
rename : layout/xul/base/src/crashtests/470272.html => layout/xul/crashtests/470272.html
rename : layout/xul/base/src/crashtests/472189.xul => layout/xul/crashtests/472189.xul
rename : layout/xul/base/src/crashtests/475133.html => layout/xul/crashtests/475133.html
rename : layout/xul/base/src/crashtests/488210-1.xhtml => layout/xul/crashtests/488210-1.xhtml
rename : layout/xul/base/src/crashtests/495728-1.xul => layout/xul/crashtests/495728-1.xul
rename : layout/xul/base/src/crashtests/508927-1.xul => layout/xul/crashtests/508927-1.xul
rename : layout/xul/base/src/crashtests/508927-2.xul => layout/xul/crashtests/508927-2.xul
rename : layout/xul/base/src/crashtests/514300-1.xul => layout/xul/crashtests/514300-1.xul
rename : layout/xul/base/src/crashtests/536931-1.xhtml => layout/xul/crashtests/536931-1.xhtml
rename : layout/xul/base/src/crashtests/538308-1.xul => layout/xul/crashtests/538308-1.xul
rename : layout/xul/base/src/crashtests/557174-1.xml => layout/xul/crashtests/557174-1.xml
rename : layout/xul/base/src/crashtests/564705-1.xul => layout/xul/crashtests/564705-1.xul
rename : layout/xul/base/src/crashtests/583957-1.html => layout/xul/crashtests/583957-1.html
rename : layout/xul/base/src/crashtests/crashtests.list => layout/xul/crashtests/crashtests.list
rename : layout/xul/base/src/crashtests/menulist-focused.xhtml => layout/xul/crashtests/menulist-focused.xhtml
rename : layout/xul/base/src/moz.build => layout/xul/moz.build
rename : layout/xul/base/src/nsBox.cpp => layout/xul/nsBox.cpp
rename : layout/xul/base/src/nsBox.h => layout/xul/nsBox.h
rename : layout/xul/base/src/nsBoxFrame.cpp => layout/xul/nsBoxFrame.cpp
rename : layout/xul/base/src/nsBoxFrame.h => layout/xul/nsBoxFrame.h
rename : layout/xul/base/src/nsBoxLayout.cpp => layout/xul/nsBoxLayout.cpp
rename : layout/xul/base/src/nsBoxLayout.h => layout/xul/nsBoxLayout.h
rename : layout/xul/base/src/nsBoxLayoutState.cpp => layout/xul/nsBoxLayoutState.cpp
rename : layout/xul/base/src/nsBoxLayoutState.h => layout/xul/nsBoxLayoutState.h
rename : layout/xul/base/src/nsBoxObject.cpp => layout/xul/nsBoxObject.cpp
rename : layout/xul/base/src/nsBoxObject.h => layout/xul/nsBoxObject.h
rename : layout/xul/base/src/nsButtonBoxFrame.cpp => layout/xul/nsButtonBoxFrame.cpp
rename : layout/xul/base/src/nsButtonBoxFrame.h => layout/xul/nsButtonBoxFrame.h
rename : layout/xul/base/src/nsContainerBoxObject.cpp => layout/xul/nsContainerBoxObject.cpp
rename : layout/xul/base/src/nsDeckFrame.cpp => layout/xul/nsDeckFrame.cpp
rename : layout/xul/base/src/nsDeckFrame.h => layout/xul/nsDeckFrame.h
rename : layout/xul/base/src/nsDocElementBoxFrame.cpp => layout/xul/nsDocElementBoxFrame.cpp
rename : layout/xul/base/src/nsGroupBoxFrame.cpp => layout/xul/nsGroupBoxFrame.cpp
rename : layout/xul/base/public/nsIBoxObject.idl => layout/xul/nsIBoxObject.idl
rename : layout/xul/base/public/nsIBrowserBoxObject.idl => layout/xul/nsIBrowserBoxObject.idl
rename : layout/xul/base/public/nsIContainerBoxObject.idl => layout/xul/nsIContainerBoxObject.idl
rename : layout/xul/base/public/nsIEditorBoxObject.idl => layout/xul/nsIEditorBoxObject.idl
rename : layout/xul/base/public/nsIIFrameBoxObject.idl => layout/xul/nsIIFrameBoxObject.idl
rename : layout/xul/base/public/nsIListBoxObject.idl => layout/xul/nsIListBoxObject.idl
rename : layout/xul/base/public/nsIMenuBoxObject.idl => layout/xul/nsIMenuBoxObject.idl
rename : layout/xul/base/public/nsIPopupBoxObject.idl => layout/xul/nsIPopupBoxObject.idl
rename : layout/xul/base/src/nsIRootBox.h => layout/xul/nsIRootBox.h
rename : layout/xul/base/public/nsIScrollBoxObject.idl => layout/xul/nsIScrollBoxObject.idl
rename : layout/xul/base/public/nsIScrollbarMediator.h => layout/xul/nsIScrollbarMediator.h
rename : layout/xul/base/public/nsISliderListener.idl => layout/xul/nsISliderListener.idl
rename : layout/xul/base/src/nsImageBoxFrame.cpp => layout/xul/nsImageBoxFrame.cpp
rename : layout/xul/base/src/nsImageBoxFrame.h => layout/xul/nsImageBoxFrame.h
rename : layout/xul/base/src/nsLeafBoxFrame.cpp => layout/xul/nsLeafBoxFrame.cpp
rename : layout/xul/base/src/nsLeafBoxFrame.h => layout/xul/nsLeafBoxFrame.h
rename : layout/xul/base/src/nsListBoxBodyFrame.cpp => layout/xul/nsListBoxBodyFrame.cpp
rename : layout/xul/base/src/nsListBoxBodyFrame.h => layout/xul/nsListBoxBodyFrame.h
rename : layout/xul/base/src/nsListBoxLayout.cpp => layout/xul/nsListBoxLayout.cpp
rename : layout/xul/base/src/nsListBoxLayout.h => layout/xul/nsListBoxLayout.h
rename : layout/xul/base/src/nsListBoxObject.cpp => layout/xul/nsListBoxObject.cpp
rename : layout/xul/base/src/nsListItemFrame.cpp => layout/xul/nsListItemFrame.cpp
rename : layout/xul/base/src/nsListItemFrame.h => layout/xul/nsListItemFrame.h
rename : layout/xul/base/src/nsMenuBarFrame.cpp => layout/xul/nsMenuBarFrame.cpp
rename : layout/xul/base/src/nsMenuBarFrame.h => layout/xul/nsMenuBarFrame.h
rename : layout/xul/base/src/nsMenuBarListener.cpp => layout/xul/nsMenuBarListener.cpp
rename : layout/xul/base/src/nsMenuBarListener.h => layout/xul/nsMenuBarListener.h
rename : layout/xul/base/src/nsMenuBoxObject.cpp => layout/xul/nsMenuBoxObject.cpp
rename : layout/xul/base/src/nsMenuFrame.cpp => layout/xul/nsMenuFrame.cpp
rename : layout/xul/base/src/nsMenuFrame.h => layout/xul/nsMenuFrame.h
rename : layout/xul/base/src/nsMenuParent.h => layout/xul/nsMenuParent.h
rename : layout/xul/base/src/nsMenuPopupFrame.cpp => layout/xul/nsMenuPopupFrame.cpp
rename : layout/xul/base/src/nsMenuPopupFrame.h => layout/xul/nsMenuPopupFrame.h
rename : layout/xul/base/public/nsPIBoxObject.h => layout/xul/nsPIBoxObject.h
rename : layout/xul/base/src/nsPIListBoxObject.h => layout/xul/nsPIListBoxObject.h
rename : layout/xul/base/src/nsPopupBoxObject.cpp => layout/xul/nsPopupBoxObject.cpp
rename : layout/xul/base/src/nsPopupSetFrame.cpp => layout/xul/nsPopupSetFrame.cpp
rename : layout/xul/base/src/nsPopupSetFrame.h => layout/xul/nsPopupSetFrame.h
rename : layout/xul/base/src/nsProgressMeterFrame.cpp => layout/xul/nsProgressMeterFrame.cpp
rename : layout/xul/base/src/nsProgressMeterFrame.h => layout/xul/nsProgressMeterFrame.h
rename : layout/xul/base/src/nsRepeatService.cpp => layout/xul/nsRepeatService.cpp
rename : layout/xul/base/src/nsRepeatService.h => layout/xul/nsRepeatService.h
rename : layout/xul/base/src/nsResizerFrame.cpp => layout/xul/nsResizerFrame.cpp
rename : layout/xul/base/src/nsResizerFrame.h => layout/xul/nsResizerFrame.h
rename : layout/xul/base/src/nsRootBoxFrame.cpp => layout/xul/nsRootBoxFrame.cpp
rename : layout/xul/base/src/nsScrollBoxFrame.cpp => layout/xul/nsScrollBoxFrame.cpp
rename : layout/xul/base/src/nsScrollBoxObject.cpp => layout/xul/nsScrollBoxObject.cpp
rename : layout/xul/base/src/nsScrollbarButtonFrame.cpp => layout/xul/nsScrollbarButtonFrame.cpp
rename : layout/xul/base/src/nsScrollbarButtonFrame.h => layout/xul/nsScrollbarButtonFrame.h
rename : layout/xul/base/src/nsScrollbarFrame.cpp => layout/xul/nsScrollbarFrame.cpp
rename : layout/xul/base/src/nsScrollbarFrame.h => layout/xul/nsScrollbarFrame.h
rename : layout/xul/base/src/nsSliderFrame.cpp => layout/xul/nsSliderFrame.cpp
rename : layout/xul/base/src/nsSliderFrame.h => layout/xul/nsSliderFrame.h
rename : layout/xul/base/src/nsSplitterFrame.cpp => layout/xul/nsSplitterFrame.cpp
rename : layout/xul/base/src/nsSplitterFrame.h => layout/xul/nsSplitterFrame.h
rename : layout/xul/base/src/nsSprocketLayout.cpp => layout/xul/nsSprocketLayout.cpp
rename : layout/xul/base/src/nsSprocketLayout.h => layout/xul/nsSprocketLayout.h
rename : layout/xul/base/src/nsStackFrame.cpp => layout/xul/nsStackFrame.cpp
rename : layout/xul/base/src/nsStackFrame.h => layout/xul/nsStackFrame.h
rename : layout/xul/base/src/nsStackLayout.cpp => layout/xul/nsStackLayout.cpp
rename : layout/xul/base/src/nsStackLayout.h => layout/xul/nsStackLayout.h
rename : layout/xul/base/src/nsTextBoxFrame.cpp => layout/xul/nsTextBoxFrame.cpp
rename : layout/xul/base/src/nsTextBoxFrame.h => layout/xul/nsTextBoxFrame.h
rename : layout/xul/base/src/nsTitleBarFrame.cpp => layout/xul/nsTitleBarFrame.cpp
rename : layout/xul/base/src/nsTitleBarFrame.h => layout/xul/nsTitleBarFrame.h
rename : layout/xul/base/src/nsXULLabelFrame.cpp => layout/xul/nsXULLabelFrame.cpp
rename : layout/xul/base/src/nsXULLabelFrame.h => layout/xul/nsXULLabelFrame.h
rename : layout/xul/base/src/nsXULPopupManager.cpp => layout/xul/nsXULPopupManager.cpp
rename : layout/xul/base/public/nsXULPopupManager.h => layout/xul/nsXULPopupManager.h
rename : layout/xul/base/src/nsXULTooltipListener.cpp => layout/xul/nsXULTooltipListener.cpp
rename : layout/xul/base/src/nsXULTooltipListener.h => layout/xul/nsXULTooltipListener.h
rename : layout/xul/base/reftest/image-scaling-min-height-1-ref.xul => layout/xul/reftest/image-scaling-min-height-1-ref.xul
rename : layout/xul/base/reftest/image-scaling-min-height-1.xul => layout/xul/reftest/image-scaling-min-height-1.xul
rename : layout/xul/base/reftest/image-size-ref.xul => layout/xul/reftest/image-size-ref.xul
rename : layout/xul/base/reftest/image-size.xul => layout/xul/reftest/image-size.xul
rename : layout/xul/base/reftest/image4x3.png => layout/xul/reftest/image4x3.png
rename : layout/xul/base/reftest/popup-explicit-size-ref.xul => layout/xul/reftest/popup-explicit-size-ref.xul
rename : layout/xul/base/reftest/popup-explicit-size.xul => layout/xul/reftest/popup-explicit-size.xul
rename : layout/xul/base/reftest/reftest.list => layout/xul/reftest/reftest.list
rename : layout/xul/base/reftest/textbox-multiline-noresize.xul => layout/xul/reftest/textbox-multiline-noresize.xul
rename : layout/xul/base/reftest/textbox-multiline-ref.xul => layout/xul/reftest/textbox-multiline-ref.xul
rename : layout/xul/base/reftest/textbox-multiline-resize.xul => layout/xul/reftest/textbox-multiline-resize.xul
rename : layout/xul/base/test/test_bug381167.xhtml => layout/xul/test/test_bug381167.xhtml
rename : layout/xul/base/test/test_bug393970.xul => layout/xul/test/test_bug393970.xul
rename : layout/xul/base/test/test_bug477754.xul => layout/xul/test/test_bug477754.xul
rename : layout/xul/base/test/test_bug511075.html => layout/xul/test/test_bug511075.html
rename : layout/xul/base/test/test_popupSizeTo.xul => layout/xul/test/test_popupSizeTo.xul
rename : layout/xul/base/test/test_resizer.xul => layout/xul/test/test_resizer.xul
rename : layout/xul/base/test/test_resizer_incontent.xul => layout/xul/test/test_resizer_incontent.xul
rename : layout/xul/base/test/test_splitter.xul => layout/xul/test/test_splitter.xul
rename : layout/xul/base/test/test_stack.xul => layout/xul/test/test_stack.xul
rename : layout/xul/base/test/test_windowminmaxsize.xul => layout/xul/test/test_windowminmaxsize.xul
rename : layout/xul/base/test/window_resizer.xul => layout/xul/test/window_resizer.xul
rename : layout/xul/base/test/window_resizer_element.xul => layout/xul/test/window_resizer_element.xul
2013-12-04 14:06:16 +13:00

212 lines
4.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsCOMPtr.h"
#include "nsPIListBoxObject.h"
#include "nsBoxObject.h"
#include "nsIFrame.h"
#include "nsBindingManager.h"
#include "nsIDOMElement.h"
#include "nsIDOMNodeList.h"
#include "nsGkAtoms.h"
#include "nsIScrollableFrame.h"
#include "nsListBoxBodyFrame.h"
#include "ChildIterator.h"
class nsListBoxObject : public nsPIListBoxObject, public nsBoxObject
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSILISTBOXOBJECT
// nsPIListBoxObject
virtual nsListBoxBodyFrame* GetListBoxBody(bool aFlush);
nsListBoxObject();
// nsPIBoxObject
virtual void Clear();
virtual void ClearCachedValues();
protected:
nsListBoxBodyFrame *mListBoxBody;
};
NS_IMPL_ISUPPORTS_INHERITED2(nsListBoxObject, nsBoxObject, nsIListBoxObject,
nsPIListBoxObject)
nsListBoxObject::nsListBoxObject()
: mListBoxBody(nullptr)
{
}
//////////////////////////////////////////////////////////////////////////
//// nsIListBoxObject
NS_IMETHODIMP
nsListBoxObject::GetRowCount(int32_t *aResult)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->GetRowCount(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::GetNumberOfVisibleRows(int32_t *aResult)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->GetNumberOfVisibleRows(aResult);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::GetIndexOfFirstVisibleRow(int32_t *aResult)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->GetIndexOfFirstVisibleRow(aResult);
return NS_OK;
}
NS_IMETHODIMP nsListBoxObject::EnsureIndexIsVisible(int32_t aRowIndex)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->EnsureIndexIsVisible(aRowIndex);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::ScrollToIndex(int32_t aRowIndex)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->ScrollToIndex(aRowIndex);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::ScrollByLines(int32_t aNumLines)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->ScrollByLines(aNumLines);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::GetItemAtIndex(int32_t index, nsIDOMElement **_retval)
{
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->GetItemAtIndex(index, _retval);
return NS_OK;
}
NS_IMETHODIMP
nsListBoxObject::GetIndexOfItem(nsIDOMElement* aElement, int32_t *aResult)
{
*aResult = 0;
nsListBoxBodyFrame* body = GetListBoxBody(true);
if (body)
return body->GetIndexOfItem(aElement, aResult);
return NS_OK;
}
//////////////////////
static nsIContent*
FindBodyContent(nsIContent* aParent)
{
if (aParent->Tag() == nsGkAtoms::listboxbody) {
return aParent;
}
mozilla::dom::FlattenedChildIterator iter(aParent);
for (nsIContent* child = iter.GetNextChild(); child; child = iter.GetNextChild()) {
nsIContent* result = FindBodyContent(child);
if (result) {
return result;
}
}
return nullptr;
}
nsListBoxBodyFrame*
nsListBoxObject::GetListBoxBody(bool aFlush)
{
if (mListBoxBody) {
return mListBoxBody;
}
nsIPresShell* shell = GetPresShell(false);
if (!shell) {
return nullptr;
}
nsIFrame* frame = aFlush ?
GetFrame(false) /* does Flush_Frames */ :
mContent->GetPrimaryFrame();
if (!frame)
return nullptr;
// Iterate over our content model children looking for the body.
nsCOMPtr<nsIContent> content = FindBodyContent(frame->GetContent());
if (!content)
return nullptr;
// this frame will be a nsGFXScrollFrame
frame = content->GetPrimaryFrame();
if (!frame)
return nullptr;
nsIScrollableFrame* scrollFrame = do_QueryFrame(frame);
if (!scrollFrame)
return nullptr;
// this frame will be the one we want
nsIFrame* yeahBaby = scrollFrame->GetScrolledFrame();
if (!yeahBaby)
return nullptr;
// It's a frame. Refcounts are irrelevant.
nsListBoxBodyFrame* listBoxBody = do_QueryFrame(yeahBaby);
NS_ENSURE_TRUE(listBoxBody &&
listBoxBody->SetBoxObject(this),
nullptr);
mListBoxBody = listBoxBody;
return mListBoxBody;
}
void
nsListBoxObject::Clear()
{
ClearCachedValues();
nsBoxObject::Clear();
}
void
nsListBoxObject::ClearCachedValues()
{
mListBoxBody = nullptr;
}
// Creation Routine ///////////////////////////////////////////////////////////////////////
nsresult
NS_NewListBoxObject(nsIBoxObject** aResult)
{
*aResult = new nsListBoxObject;
if (!*aResult)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*aResult);
return NS_OK;
}