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Add warning comments to SVG frame container classes. No bug. DONTBUILD.

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--HG--
extra : rebase_source : 7bca01b0786f2ef262f774f570ab37492c29ca47
This commit is contained in:
Jonathan Watt 2012-11-22 16:23:57 +00:00
parent 7a23ef322c
commit f6ebd75d11
1 changed files with 12 additions and 0 deletions
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12
layout/svg/nsSVGContainerFrame.h
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@ -33,6 +33,11 @@ typedef nsContainerFrame nsSVGContainerFrameBase;
* <pattern>) just inherit this class. Frame sub-classes that do or can
* display their contents directly (such as the frames for inner-<svg> or
* <g>) inherit our nsDisplayContainerFrame sub-class.
*
* *** WARNING ***
*
* Do *not* blindly cast to SVG element types in this class's methods (see the
* warning comment for nsSVGDisplayContainerFrame below).
*/
class nsSVGContainerFrame : public nsSVGContainerFrameBase
{
@ -93,6 +98,13 @@ public:
/**
* Frame class or base-class for SVG containers that can or do display their
* contents directly.
*
* *** WARNING ***
*
* This class's methods can *not* assume that mContent points to an instance of
* an SVG element class since this class is inherited by
* nsSVGGenericContainerFrame which is used for unrecognized elements in the
* SVG namespace. Do *not* blindly cast to SVG element types.
*/
class nsSVGDisplayContainerFrame : public nsSVGContainerFrame,
public nsISVGChildFrame