/usr/include/firefox-esr-52/nsSubDocumentFrame.h is in firefox-esr-dev 52.8.1esr-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 | /* -*- 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_ */
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