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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/generic/nsSubDocumentFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/layout/generic/nsSubDocumentFrame.h b/layout/generic/nsSubDocumentFrame.h
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+/* -*- Mode: C++; tab-width: 20; 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/. */
+
+#ifndef NSSUBDOCUMENTFRAME_H_
+#define NSSUBDOCUMENTFRAME_H_
+
+#include "mozilla/Attributes.h"
+#include "nsAtomicContainerFrame.h"
+#include "nsIReflowCallback.h"
+#include "nsFrameLoader.h"
+#include "Units.h"
+
+/******************************************************************************
+ * nsSubDocumentFrame
+ *****************************************************************************/
+class nsSubDocumentFrame : public nsAtomicContainerFrame,
+ public nsIReflowCallback
+{
+public:
+ NS_DECL_QUERYFRAME_TARGET(nsSubDocumentFrame)
+ NS_DECL_FRAMEARENA_HELPERS
+
+ explicit nsSubDocumentFrame(nsStyleContext* aContext);
+
+#ifdef DEBUG_FRAME_DUMP
+ void List(FILE* out = stderr, const char* aPrefix = "", uint32_t aFlags = 0) const override;
+ virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+ NS_DECL_QUERYFRAME
+
+ virtual nsIAtom* GetType() const override;
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsAtomicContainerFrame::IsFrameOfType(aFlags &
+ ~(nsIFrame::eReplaced |
+ nsIFrame::eReplacedSizing |
+ nsIFrame::eReplacedContainsBlock));
+ }
+
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+
+ virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+ virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+
+ virtual mozilla::IntrinsicSize GetIntrinsicSize() override;
+ virtual nsSize GetIntrinsicRatio() override;
+
+ virtual mozilla::LogicalSize
+ ComputeAutoSize(nsRenderingContext* aRenderingContext,
+ mozilla::WritingMode aWritingMode,
+ const mozilla::LogicalSize& aCBSize,
+ nscoord aAvailableISize,
+ const mozilla::LogicalSize& aMargin,
+ const mozilla::LogicalSize& aBorder,
+ const mozilla::LogicalSize& aPadding,
+ ComputeSizeFlags aFlags) override;
+
+ virtual mozilla::LogicalSize
+ ComputeSize(nsRenderingContext* aRenderingContext,
+ mozilla::WritingMode aWritingMode,
+ const mozilla::LogicalSize& aCBSize,
+ nscoord aAvailableISize,
+ const mozilla::LogicalSize& aMargin,
+ const mozilla::LogicalSize& aBorder,
+ const mozilla::LogicalSize& aPadding,
+ ComputeSizeFlags aFlags) override;
+
+ virtual void Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ // if the content is "visibility:hidden", then just hide the view
+ // and all our contents. We don't extend "visibility:hidden" to
+ // the child content ourselves, since it belongs to a different
+ // document and CSS doesn't inherit in there.
+ virtual bool SupportsVisibilityHidden() override { return false; }
+
+#ifdef ACCESSIBILITY
+ virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+ nsresult GetDocShell(nsIDocShell **aDocShell);
+ nsresult BeginSwapDocShells(nsIFrame* aOther);
+ void EndSwapDocShells(nsIFrame* aOther);
+ nsView* EnsureInnerView();
+ nsIFrame* GetSubdocumentRootFrame();
+ enum {
+ IGNORE_PAINT_SUPPRESSION = 0x1
+ };
+ nsIPresShell* GetSubdocumentPresShellForPainting(uint32_t aFlags);
+ mozilla::ScreenIntSize GetSubdocumentSize();
+
+ // nsIReflowCallback
+ virtual bool ReflowFinished() override;
+ virtual void ReflowCallbackCanceled() override;
+
+ bool ShouldClipSubdocument()
+ {
+ nsFrameLoader* frameLoader = FrameLoader();
+ return !frameLoader || frameLoader->ShouldClipSubdocument();
+ }
+
+ bool ShouldClampScrollPosition()
+ {
+ nsFrameLoader* frameLoader = FrameLoader();
+ return !frameLoader || frameLoader->ShouldClampScrollPosition();
+ }
+
+ /**
+ * Return true if pointer event hit-testing should be allowed to target
+ * content in the subdocument.
+ */
+ bool PassPointerEventsToChildren();
+
+protected:
+ friend class AsyncFrameInit;
+
+ // Helper method to look up the HTML marginwidth & marginheight attributes.
+ mozilla::CSSIntSize GetMarginAttributes();
+
+ nsFrameLoader* FrameLoader();
+
+ bool IsInline() { return mIsInline; }
+
+ nscoord GetIntrinsicISize();
+ nscoord GetIntrinsicBSize();
+
+ // Show our document viewer. The document viewer is hidden via a script
+ // runner, so that we can save and restore the presentation if we're
+ // being reframed.
+ void ShowViewer();
+
+ /* Obtains the frame we should use for intrinsic size information if we are
+ * an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
+ * and our sub-document has an intrinsic size. The frame returned is the
+ * frame for the document element of the document we're embedding.
+ *
+ * Called "Obtain*" and not "Get*" because of comment on GetDocShell that
+ * says it should be called ObtainDocShell because of its side effects.
+ */
+ nsIFrame* ObtainIntrinsicSizeFrame();
+
+ RefPtr<nsFrameLoader> mFrameLoader;
+ nsView* mInnerView;
+ bool mIsInline;
+ bool mPostedReflowCallback;
+ bool mDidCreateDoc;
+ bool mCallingShow;
+};
+
+#endif /* NSSUBDOCUMENTFRAME_H_ */