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Bug 276431 Patch 4c: Add convenience method nsIDocument::IsResourceDocument, for code shared between external resource docs & svg-as-image helper docs. r=roc sr=jst a=blocking

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This commit is contained in:
Daniel Holbert 2010-09-08 13:40:39 -07:00
parent 1add754c83
commit 7bbef02e3f
2 changed files with 11 additions and 9 deletions
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9
content/base/public/nsIDocument.h
View File

@ -119,8 +119,8 @@ class Element;
#define NS_IDOCUMENT_IID \
{ 0xe1779840, 0x1ae4, 0x479d, \
{ 0x8a, 0xa1, 0x40, 0x4f, 0x6e, 0x20, 0x1a, 0x0a } }
{ 0x73d79167, 0xacba, 0x46eb, \
{ 0xad, 0x45, 0xa3, 0x4b, 0x92, 0xf6, 0x01, 0x5b } }
// Flag for AddStyleSheet().
#define NS_STYLESHEET_FROM_CATALOG (1 << 0)
@ -1156,6 +1156,11 @@ public:
mIsBeingUsedAsImage = PR_TRUE;
}
PRBool IsResourceDoc() const {
return IsBeingUsedAsImage() || // Are we a helper-doc for an SVG image?
!!mDisplayDocument; // Are we an external resource doc?
}
/**
* Get the document for which this document is an external resource. This
* will be null if this document is not an external resource. Otherwise,

11
layout/base/nsDocumentViewer.cpp
View File

@ -2309,15 +2309,12 @@ DocumentViewerImpl::MakeWindow(const nsSize& aSize, nsIView* aContainerView)
if (!view)
return NS_ERROR_OUT_OF_MEMORY;
PRBool isExternalResource = !!mDocument->GetDisplayDocument();
// Create a widget if we were given a parent widget or don't have a
// container view that we can hook up to without a widget.
// Don't create widgets for...
// - external resource documents, since they're not displayed.
// - documents being used as images, since they'll be painted into
// someone else's widget when they're displayed.
if (!mDocument->IsBeingUsedAsImage() && !isExternalResource &&
// Don't create widgets for ResourceDocs (external resources & svg images),
// because when they're displayed, they're painted into *another* document's
// widget.
if (!mDocument->IsResourceDoc() &&
(mParentWidget || !aContainerView)) {
// pass in a native widget to be the parent widget ONLY if the view hierarchy will stand alone.
// otherwise the view will find its own parent widget and "do the right thing" to