mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
93 lines
2.9 KiB
C++
93 lines
2.9 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/. */
|
|
|
|
/* rendering object for the HTML <canvas> element */
|
|
|
|
#ifndef nsHTMLCanvasFrame_h___
|
|
#define nsHTMLCanvasFrame_h___
|
|
|
|
#include "nsContainerFrame.h"
|
|
#include "nsString.h"
|
|
#include "nsAString.h"
|
|
#include "nsIIOService.h"
|
|
#include "Layers.h"
|
|
#include "ImageLayers.h"
|
|
|
|
class nsPresContext;
|
|
class nsDisplayItem;
|
|
|
|
nsIFrame* NS_NewHTMLCanvasFrame (nsIPresShell* aPresShell, nsStyleContext* aContext);
|
|
|
|
class nsHTMLCanvasFrame : public nsContainerFrame
|
|
{
|
|
public:
|
|
typedef mozilla::layers::Layer Layer;
|
|
typedef mozilla::layers::LayerManager LayerManager;
|
|
|
|
NS_DECL_FRAMEARENA_HELPERS
|
|
|
|
nsHTMLCanvasFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
|
|
|
|
NS_IMETHOD Init(nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIFrame* aPrevInFlow);
|
|
|
|
NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
|
|
const nsRect& aDirtyRect,
|
|
const nsDisplayListSet& aLists);
|
|
|
|
already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
|
|
LayerManager* aManager,
|
|
nsDisplayItem* aItem);
|
|
|
|
/* get the size of the canvas's image */
|
|
nsIntSize GetCanvasSize();
|
|
|
|
virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
|
|
virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
|
|
virtual nsSize GetIntrinsicRatio();
|
|
|
|
virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder, nsSize aPadding,
|
|
PRUint32 aFlags) MOZ_OVERRIDE;
|
|
|
|
NS_IMETHOD Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus);
|
|
|
|
nsRect GetInnerArea() const;
|
|
|
|
#ifdef ACCESSIBILITY
|
|
virtual already_AddRefed<nsAccessible> CreateAccessible();
|
|
#endif
|
|
|
|
virtual nsIAtom* GetType() const;
|
|
|
|
virtual bool IsFrameOfType(PRUint32 aFlags) const
|
|
{
|
|
return nsSplittableFrame::IsFrameOfType(aFlags & ~(nsIFrame::eReplaced));
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHOD GetFrameName(nsAString& aResult) const;
|
|
#endif
|
|
|
|
// Inserted child content gets its frames parented by our child block
|
|
virtual nsIFrame* GetContentInsertionFrame() {
|
|
return GetFirstPrincipalChild()->GetContentInsertionFrame();
|
|
}
|
|
|
|
protected:
|
|
virtual ~nsHTMLCanvasFrame();
|
|
|
|
nscoord GetContinuationOffset(nscoord* aWidth = 0) const;
|
|
|
|
nsMargin mBorderPadding;
|
|
};
|
|
|
|
#endif /* nsHTMLCanvasFrame_h___ */
|