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Added a CanHandleContentType to identify if a given instantiated docShell can handle the requested document type.

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This commit is contained in:
tbogard%aol.net 1999-10-26 09:51:36 +00:00
parent 2550bd6aa3
commit 01e6506fdf
4 changed files with 34 additions and 0 deletions
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11
docshell/base/nsDocShellBase.cpp
View File

@ -158,6 +158,17 @@ NS_IMETHODIMP nsDocShellBase::SetParent(nsIDocShell* parent)
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsDocShellBase::CanHandleContentType(const PRUnichar* contentType,
PRBool* canHandle)
{
NS_ENSURE_ARG_POINTER(canHandle);
NS_WARN_IF_FALSE(PR_FALSE, "Subclasses should override this method!!!!");
*canHandle = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::GetPrefs(nsIPref** prefs)
{
NS_ENSURE_ARG_POINTER(prefs);

5
docshell/base/nsIDocShell.idl
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@ -93,6 +93,11 @@ interface nsIDocShell : nsISupports
*/
attribute nsIDocShell parent;
/*
Returns true if the given docshell can handle the requested content type.
*/
boolean canHandleContentType(in wstring contentType);
/*
Prefs to use for the DocShell.
*/

15
docshell/html/nsHTMLDocShell.cpp
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@ -21,6 +21,7 @@
*/
#include "nsHTMLDocShell.h"
#include "nsString.h"
//*****************************************************************************
//*** nsHTMLDocShell: Object Management
@ -61,6 +62,20 @@ NS_IMPL_ISUPPORTS7(nsHTMLDocShell, nsIDocShell, nsIHTMLDocShell,
// nsHTMLDocShell::nsIDocShell Overrides
//*****************************************************************************
NS_IMETHODIMP nsHTMLDocShell::CanHandleContentType(const PRUnichar* contentType,
PRBool* canHandle)
{
NS_ENSURE_ARG_POINTER(canHandle);
nsAutoString aType(contentType);
if(aType.EqualsIgnoreCase("text/html"))
*canHandle = PR_TRUE;
else
*canHandle = PR_FALSE;
return NS_OK;
}
//*****************************************************************************
// nsHTMLDocShell::nsIHTMLDocShell
//*****************************************************************************

3
docshell/html/nsHTMLDocShell.h
View File

@ -31,6 +31,9 @@ class nsHTMLDocShell : public nsDocShellBase, public nsIHTMLDocShell
public:
NS_DECL_ISUPPORTS
NS_IMETHOD CanHandleContentType(const PRUnichar* contentType, PRBool* canHandle);
NS_DECL_NSIHTMLDOCSHELL
static NS_METHOD Create(nsISupports* aOuter, const nsIID& aIID, void** ppv);