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For bug #14999; adding new method to simplify applying OpenDialog to the hidden window. rev=danm@netscape.com

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This commit is contained in:
law@netscape.com
1999-10-08 14:04:17 +00:00
parent 2fd6032bfc
commit 1f0553107a
2 changed files with 70 additions and 0 deletions
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55
xpfe/appshell/src/nsAppShellService.cpp
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@@ -70,6 +70,10 @@ static NS_DEFINE_IID(kPICSCID, NS_PICS_CID);
#include "nsXMLEncodingCID.h"
#include "nsIXMLEncodingService.h"
/* For implementing GetHiddenWindowAndJSContext */
#include "nsIScriptGlobalObject.h"
#include "jsapi.h"
/* Define Class IDs */
static NS_DEFINE_IID(kAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
@@ -631,6 +635,57 @@ nsAppShellService::GetHiddenWindow(nsIWebShellWindow **aWindow)
return rv ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP
nsAppShellService::GetHiddenWindowAndJSContext(nsIDOMWindow **aWindow,
JSContext **aJSContext)
{
nsresult rv = NS_OK;
if ( aWindow && aJSContext ) {
*aWindow = nsnull;
*aJSContext = nsnull;
if ( mHiddenWindow ) {
// Convert hidden window to nsIDOMWindow and extract its JSContext.
do {
// 1. Get webshell for hidden window.
nsCOMPtr<nsIWebShell> webShell;
rv = mHiddenWindow->GetWebShell( *getter_AddRefs( webShell ) );
if (NS_FAILED(rv)) break;
// 2. Convert that to an nsIDOMWindow.
nsCOMPtr<nsIDOMWindow> hiddenDOMWindow;
rv = mHiddenWindow->ConvertWebShellToDOMWindow( webShell,
getter_AddRefs( hiddenDOMWindow ) );
if (NS_FAILED(rv)) break;
// 3. Get script global object for the window.
nsCOMPtr<nsIScriptGlobalObject> sgo;
sgo = do_QueryInterface( hiddenDOMWindow );
if (!sgo) { rv = NS_ERROR_FAILURE; break; }
// 4. Get script context from that.
nsCOMPtr<nsIScriptContext> scriptContext;
sgo->GetContext( getter_AddRefs( scriptContext ) );
if (!scriptContext) { rv = NS_ERROR_FAILURE; break; }
// 5. Get JSContext from the script context.
JSContext *jsContext = (JSContext*)scriptContext->GetNativeContext();
if (!jsContext) { rv = NS_ERROR_FAILURE; break; }
// Now, give results to caller.
*aWindow = hiddenDOMWindow.get();
NS_IF_ADDREF( *aWindow );
*aJSContext = jsContext;
} while (0);
} else {
rv = NS_ERROR_FAILURE;
}
} else {
rv = NS_ERROR_NULL_POINTER;
}
return rv;
}
/* Create a Window, run it modally, and destroy it. To make initial control
settings or get information out of the dialog before dismissal, use
event handlers. This wrapper method is desirable because of the