gecko-dev/xpfe/bootstrap/nsNativeAppSupportMac.cpp

131 lines
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsNativeAppSupport.h"
#include <Gestalt.h>
#include <Dialogs.h>
#include <Resources.h>
#define rSplashDialog 512
class nsSplashScreenMac : public nsISplashScreen {
public:
nsSplashScreenMac()
: mDialog( 0 ), mPicHandle( 0 ), mRefCnt( 0 ) {
}
~nsSplashScreenMac() {
Hide();
}
NS_IMETHOD Show();
NS_IMETHOD Hide();
// nsISupports methods
NS_IMETHOD_(nsrefcnt) AddRef() {
mRefCnt++;
return mRefCnt;
}
NS_IMETHOD_(nsrefcnt) Release() {
--mRefCnt;
if ( !mRefCnt ) {
delete this;
return 0;
}
return mRefCnt;
}
NS_IMETHOD QueryInterface( const nsIID &iid, void**p ) {
nsresult rv = NS_OK;
if ( p ) {
*p = 0;
if ( iid.Equals( NS_GET_IID( nsISplashScreen ) ) ) {
nsISplashScreen *result = this;
*p = result;
NS_ADDREF( result );
} else if ( iid.Equals( NS_GET_IID( nsISupports ) ) ) {
nsISupports *result = NS_STATIC_CAST( nsISupports*, this );
*p = result;
NS_ADDREF( result );
} else {
rv = NS_NOINTERFACE;
}
} else {
rv = NS_ERROR_NULL_POINTER;
}
return rv;
}
DialogPtr mDialog;
PicHandle mPicHandle;
nsrefcnt mRefCnt;
}; // class nsSplashScreenMac
NS_IMETHODIMP
nsSplashScreenMac::Show() {
mDialog = ::GetNewDialog( rSplashDialog, nil, (WindowPtr)-1L );
mPicHandle = GetPicture( rSplashDialog );
SetWindowPic( mDialog, mPicHandle );
::ShowWindow( mDialog );
::SetPort( mDialog );
Rect rect = (**mPicHandle).picFrame;
::DrawPicture( mPicHandle, &rect );
return NS_OK;
}
NS_IMETHODIMP
nsSplashScreenMac::Hide() {
if ( mDialog ) {
ReleaseResource( (Handle)mPicHandle );
mPicHandle = 0;
SetWindowPic( mDialog, NULL );
DisposeWindow( mDialog );
mDialog = 0;
}
return NS_OK;
}
nsresult NS_CreateSplashScreen(nsISplashScreen**aResult)
{
if ( aResult ) {
*aResult = new nsSplashScreenMac;
if ( *aResult ) {
NS_ADDREF( *aResult );
return NS_OK;
} else {
return NS_ERROR_OUT_OF_MEMORY;
}
} else {
return NS_ERROR_NULL_POINTER;
}
}
PRBool NS_CanRun()
{
long response = 0;
OSErr err = ::Gestalt (gestaltSystemVersion, &response);
if ( err || response < 0x850)
{
::StopAlert (5000, NULL);
return PR_FALSE;
}
return PR_TRUE;
}