1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef NSSUBDOCUMENTFRAME_H_
7 #define NSSUBDOCUMENTFRAME_H_
9 #include "mozilla/Attributes.h"
10 #include "nsLeafFrame.h"
11 #include "nsIReflowCallback.h"
12 #include "nsFrameLoader.h"
14 /******************************************************************************
16 *****************************************************************************/
17 class nsSubDocumentFrame
: public nsLeafFrame
,
18 public nsIReflowCallback
21 NS_DECL_QUERYFRAME_TARGET(nsSubDocumentFrame
)
22 NS_DECL_FRAMEARENA_HELPERS
24 explicit nsSubDocumentFrame(nsStyleContext
* aContext
);
26 #ifdef DEBUG_FRAME_DUMP
27 void List(FILE* out
= stderr
, const char* aPrefix
= "", uint32_t aFlags
= 0) const MOZ_OVERRIDE
;
28 virtual nsresult
GetFrameName(nsAString
& aResult
) const MOZ_OVERRIDE
;
33 virtual nsIAtom
* GetType() const MOZ_OVERRIDE
;
35 virtual bool IsFrameOfType(uint32_t aFlags
) const MOZ_OVERRIDE
37 // nsLeafFrame is already eReplacedContainsBlock, but that's somewhat bogus
38 return nsLeafFrame::IsFrameOfType(aFlags
&
39 ~(nsIFrame::eReplaced
| nsIFrame::eReplacedContainsBlock
));
42 virtual void Init(nsIContent
* aContent
,
43 nsContainerFrame
* aParent
,
44 nsIFrame
* aPrevInFlow
) MOZ_OVERRIDE
;
46 virtual void DestroyFrom(nsIFrame
* aDestructRoot
) MOZ_OVERRIDE
;
48 virtual nscoord
GetMinISize(nsRenderingContext
*aRenderingContext
) MOZ_OVERRIDE
;
49 virtual nscoord
GetPrefISize(nsRenderingContext
*aRenderingContext
) MOZ_OVERRIDE
;
51 virtual mozilla::IntrinsicSize
GetIntrinsicSize() MOZ_OVERRIDE
;
52 virtual nsSize
GetIntrinsicRatio() MOZ_OVERRIDE
;
54 virtual mozilla::LogicalSize
55 ComputeAutoSize(nsRenderingContext
*aRenderingContext
,
56 mozilla::WritingMode aWritingMode
,
57 const mozilla::LogicalSize
& aCBSize
,
58 nscoord aAvailableISize
,
59 const mozilla::LogicalSize
& aMargin
,
60 const mozilla::LogicalSize
& aBorder
,
61 const mozilla::LogicalSize
& aPadding
,
62 bool aShrinkWrap
) MOZ_OVERRIDE
;
64 virtual mozilla::LogicalSize
65 ComputeSize(nsRenderingContext
*aRenderingContext
,
66 mozilla::WritingMode aWritingMode
,
67 const mozilla::LogicalSize
& aCBSize
,
68 nscoord aAvailableISize
,
69 const mozilla::LogicalSize
& aMargin
,
70 const mozilla::LogicalSize
& aBorder
,
71 const mozilla::LogicalSize
& aPadding
,
72 ComputeSizeFlags aFlags
) MOZ_OVERRIDE
;
74 virtual void Reflow(nsPresContext
* aPresContext
,
75 nsHTMLReflowMetrics
& aDesiredSize
,
76 const nsHTMLReflowState
& aReflowState
,
77 nsReflowStatus
& aStatus
) MOZ_OVERRIDE
;
79 virtual void BuildDisplayList(nsDisplayListBuilder
* aBuilder
,
80 const nsRect
& aDirtyRect
,
81 const nsDisplayListSet
& aLists
) MOZ_OVERRIDE
;
83 virtual nsresult
AttributeChanged(int32_t aNameSpaceID
,
85 int32_t aModType
) MOZ_OVERRIDE
;
87 // if the content is "visibility:hidden", then just hide the view
88 // and all our contents. We don't extend "visibility:hidden" to
89 // the child content ourselves, since it belongs to a different
90 // document and CSS doesn't inherit in there.
91 virtual bool SupportsVisibilityHidden() MOZ_OVERRIDE
{ return false; }
94 virtual mozilla::a11y::AccType
AccessibleType() MOZ_OVERRIDE
;
97 nsresult
GetDocShell(nsIDocShell
**aDocShell
);
98 nsresult
BeginSwapDocShells(nsIFrame
* aOther
);
99 void EndSwapDocShells(nsIFrame
* aOther
);
100 nsView
* EnsureInnerView();
101 nsIFrame
* GetSubdocumentRootFrame();
103 IGNORE_PAINT_SUPPRESSION
= 0x1
105 nsIPresShell
* GetSubdocumentPresShellForPainting(uint32_t aFlags
);
106 nsIntSize
GetSubdocumentSize();
109 virtual bool ReflowFinished() MOZ_OVERRIDE
;
110 virtual void ReflowCallbackCanceled() MOZ_OVERRIDE
;
112 bool ShouldClipSubdocument()
114 nsFrameLoader
* frameLoader
= FrameLoader();
115 return !frameLoader
|| frameLoader
->ShouldClipSubdocument();
118 bool ShouldClampScrollPosition()
120 nsFrameLoader
* frameLoader
= FrameLoader();
121 return !frameLoader
|| frameLoader
->ShouldClampScrollPosition();
125 * Return true if pointer event hit-testing should be allowed to target
126 * content in the subdocument.
128 bool PassPointerEventsToChildren();
130 nsIntPoint
GetChromeDisplacement();
133 friend class AsyncFrameInit
;
135 // Helper method to look up the HTML marginwidth & marginheight attributes
136 nsIntSize
GetMarginAttributes();
138 nsFrameLoader
* FrameLoader();
140 bool IsInline() { return mIsInline
; }
142 virtual nscoord
GetIntrinsicISize() MOZ_OVERRIDE
;
143 virtual nscoord
GetIntrinsicBSize() MOZ_OVERRIDE
;
145 // Show our document viewer. The document viewer is hidden via a script
146 // runner, so that we can save and restore the presentation if we're
150 /* Obtains the frame we should use for intrinsic size information if we are
151 * an HTML <object>, <embed> or <applet> (a replaced element - not <iframe>)
152 * and our sub-document has an intrinsic size. The frame returned is the
153 * frame for the document element of the document we're embedding.
155 * Called "Obtain*" and not "Get*" because of comment on GetDocShell that
156 * says it should be called ObtainDocShell because of its side effects.
158 nsIFrame
* ObtainIntrinsicSizeFrame();
160 nsRefPtr
<nsFrameLoader
> mFrameLoader
;
163 bool mPostedReflowCallback
;
168 #endif /* NSSUBDOCUMENTFRAME_H_ */