mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
198 lines
6.0 KiB
C++
198 lines
6.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is the Mozilla SVG project.
|
|
*
|
|
* The Initial Developer of the Original Code is IBM Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2004
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "nsSVGGFrame.h"
|
|
#include "nsIAnonymousContentCreator.h"
|
|
#include "nsSVGMatrix.h"
|
|
#include "nsIDOMSVGUseElement.h"
|
|
#include "nsIDOMSVGTransformable.h"
|
|
#include "nsSVGElement.h"
|
|
#include "nsSVGUseElement.h"
|
|
|
|
typedef nsSVGGFrame nsSVGUseFrameBase;
|
|
|
|
class nsSVGUseFrame : public nsSVGUseFrameBase,
|
|
public nsIAnonymousContentCreator
|
|
{
|
|
friend nsIFrame*
|
|
NS_NewSVGUseFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsStyleContext* aContext);
|
|
|
|
protected:
|
|
nsSVGUseFrame(nsStyleContext* aContext) : nsSVGUseFrameBase(aContext) {}
|
|
|
|
// nsISupports interface:
|
|
NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
|
|
private:
|
|
NS_IMETHOD_(nsrefcnt) AddRef() { return 1; }
|
|
NS_IMETHOD_(nsrefcnt) Release() { return 1; }
|
|
|
|
public:
|
|
// nsIFrame interface:
|
|
NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType);
|
|
|
|
virtual void Destroy();
|
|
|
|
// nsSVGContainerFrame methods:
|
|
virtual already_AddRefed<nsIDOMSVGMatrix> GetCanvasTM();
|
|
|
|
/**
|
|
* Get the "type" of the frame
|
|
*
|
|
* @see nsGkAtoms::svgUseFrame
|
|
*/
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("SVGUse"), aResult);
|
|
}
|
|
#endif
|
|
|
|
// nsIAnonymousContentCreator
|
|
virtual nsresult CreateAnonymousContent(nsTArray<nsIContent*>& aElements);
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
// Implementation
|
|
|
|
nsIFrame*
|
|
NS_NewSVGUseFrame(nsIPresShell* aPresShell, nsIContent* aContent, nsStyleContext* aContext)
|
|
{
|
|
nsCOMPtr<nsIDOMSVGUseElement> use = do_QueryInterface(aContent);
|
|
if (!use) {
|
|
NS_ERROR("Can't create frame! Content is not an SVG use!");
|
|
return nsnull;
|
|
}
|
|
|
|
return new (aPresShell) nsSVGUseFrame(aContext);
|
|
}
|
|
|
|
nsIAtom *
|
|
nsSVGUseFrame::GetType() const
|
|
{
|
|
return nsGkAtoms::svgUseFrame;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsISupports methods
|
|
|
|
NS_INTERFACE_MAP_BEGIN(nsSVGUseFrame)
|
|
NS_INTERFACE_MAP_ENTRY(nsIAnonymousContentCreator)
|
|
NS_INTERFACE_MAP_END_INHERITING(nsSVGUseFrameBase)
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsIFrame methods:
|
|
|
|
NS_IMETHODIMP
|
|
nsSVGUseFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (aNameSpaceID == kNameSpaceID_None &&
|
|
(aAttribute == nsGkAtoms::x ||
|
|
aAttribute == nsGkAtoms::y)) {
|
|
// make sure our cached transform matrix gets (lazily) updated
|
|
mCanvasTM = nsnull;
|
|
|
|
nsSVGUtils::NotifyChildrenOfSVGChange(this, TRANSFORM_CHANGED);
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsSVGUseFrameBase::AttributeChanged(aNameSpaceID,
|
|
aAttribute, aModType);
|
|
}
|
|
|
|
void
|
|
nsSVGUseFrame::Destroy()
|
|
{
|
|
nsRefPtr<nsSVGUseElement> use = static_cast<nsSVGUseElement*>(mContent);
|
|
nsSVGUseFrameBase::Destroy();
|
|
use->DestroyAnonymousContent();
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsSVGContainerFrame methods:
|
|
|
|
already_AddRefed<nsIDOMSVGMatrix>
|
|
nsSVGUseFrame::GetCanvasTM()
|
|
{
|
|
if (!mPropagateTransform) {
|
|
nsIDOMSVGMatrix *retval;
|
|
if (mOverrideCTM) {
|
|
retval = mOverrideCTM;
|
|
NS_ADDREF(retval);
|
|
} else {
|
|
NS_NewSVGMatrix(&retval);
|
|
}
|
|
return retval;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMSVGMatrix> currentTM = nsSVGUseFrameBase::GetCanvasTM();
|
|
|
|
// x and y:
|
|
float x, y;
|
|
nsSVGElement *element = static_cast<nsSVGElement*>(mContent);
|
|
element->GetAnimatedLengthValues(&x, &y, nsnull);
|
|
|
|
nsCOMPtr<nsIDOMSVGMatrix> fini;
|
|
currentTM->Translate(x, y, getter_AddRefs(fini));
|
|
|
|
nsIDOMSVGMatrix *retval = fini.get();
|
|
NS_IF_ADDREF(retval);
|
|
return retval;
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// nsIAnonymousContentCreator methods:
|
|
|
|
nsresult
|
|
nsSVGUseFrame::CreateAnonymousContent(nsTArray<nsIContent*>& aElements)
|
|
{
|
|
nsSVGUseElement *use = static_cast<nsSVGUseElement*>(mContent);
|
|
|
|
nsIContent* clone = use->CreateAnonymousContent();
|
|
if (!clone)
|
|
return NS_ERROR_FAILURE;
|
|
if (!aElements.AppendElement(clone))
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
return NS_OK;
|
|
}
|