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