mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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148 lines
5.1 KiB
C++
148 lines
5.1 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef NSSUBDOCUMENTFRAME_H_
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#define NSSUBDOCUMENTFRAME_H_
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#include "mozilla/Attributes.h"
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#include "nsLeafFrame.h"
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#include "nsIReflowCallback.h"
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#include "nsFrameLoader.h"
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/******************************************************************************
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* nsSubDocumentFrame
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*****************************************************************************/
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class nsSubDocumentFrame : public nsLeafFrame,
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public nsIReflowCallback
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{
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public:
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NS_DECL_QUERYFRAME_TARGET(nsSubDocumentFrame)
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NS_DECL_FRAMEARENA_HELPERS
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nsSubDocumentFrame(nsStyleContext* aContext);
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#ifdef DEBUG
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NS_IMETHOD List(FILE* out, int32_t aIndent, uint32_t aFlags = 0) const;
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_DECL_QUERYFRAME
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virtual nsIAtom* GetType() const;
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virtual bool IsFrameOfType(uint32_t aFlags) const
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{
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// nsLeafFrame is already eReplacedContainsBlock, but that's somewhat bogus
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return nsLeafFrame::IsFrameOfType(aFlags &
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~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
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}
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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
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virtual nscoord GetPrefWidth(nsRenderingContext *aRenderingContext);
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virtual IntrinsicSize GetIntrinsicSize();
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virtual nsSize GetIntrinsicRatio();
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virtual nsSize ComputeAutoSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder,
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nsSize aPadding, bool aShrinkWrap);
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virtual nsSize ComputeSize(nsRenderingContext *aRenderingContext,
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nsSize aCBSize, nscoord aAvailableWidth,
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nsSize aMargin, nsSize aBorder, nsSize aPadding,
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uint32_t aFlags) MOZ_OVERRIDE;
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType);
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// if the content is "visibility:hidden", then just hide the view
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// and all our contents. We don't extend "visibility:hidden" to
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// the child content ourselves, since it belongs to a different
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// document and CSS doesn't inherit in there.
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virtual bool SupportsVisibilityHidden() { return false; }
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#ifdef ACCESSIBILITY
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virtual already_AddRefed<Accessible> CreateAccessible();
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#endif
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nsresult GetDocShell(nsIDocShell **aDocShell);
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nsresult BeginSwapDocShells(nsIFrame* aOther);
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void EndSwapDocShells(nsIFrame* aOther);
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nsIView* EnsureInnerView();
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nsIFrame* GetSubdocumentRootFrame();
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// nsIReflowCallback
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virtual bool ReflowFinished() MOZ_OVERRIDE;
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virtual void ReflowCallbackCanceled() MOZ_OVERRIDE;
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bool ShouldClipSubdocument()
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{
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nsFrameLoader* frameLoader = FrameLoader();
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return !frameLoader || frameLoader->ShouldClipSubdocument();
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}
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bool ShouldClampScrollPosition()
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{
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nsFrameLoader* frameLoader = FrameLoader();
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return !frameLoader || frameLoader->ShouldClampScrollPosition();
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}
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protected:
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friend class AsyncFrameInit;
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// Helper method to look up the HTML marginwidth & marginheight attributes
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nsIntSize GetMarginAttributes();
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nsFrameLoader* FrameLoader();
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bool IsInline() { return mIsInline; }
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virtual nscoord GetIntrinsicWidth() MOZ_OVERRIDE;
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virtual nscoord GetIntrinsicHeight() MOZ_OVERRIDE;
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virtual int GetSkipSides() const;
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// Show our document viewer. The document viewer is hidden via a script
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// runner, so that we can save and restore the presentation if we're
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// being reframed.
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void ShowViewer();
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/* Obtains the frame we should use for intrinsic size information if we are
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* an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
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* and our sub-document has an intrinsic size. The frame returned is the
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* frame for the document element of the document we're embedding.
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*
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* Called "Obtain*" and not "Get*" because of comment on GetDocShell that
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* says it should be called ObtainDocShell because of it's side effects.
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*/
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nsIFrame* ObtainIntrinsicSizeFrame();
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nsRefPtr<nsFrameLoader> mFrameLoader;
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nsIView* mInnerView;
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bool mIsInline;
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bool mPostedReflowCallback;
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bool mDidCreateDoc;
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bool mCallingShow;
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};
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#endif /* NSSUBDOCUMENTFRAME_H_ */
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