зеркало из https://github.com/mozilla/gecko-dev.git
348 строки
10 KiB
C++
348 строки
10 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsNativeAppSupport.h"
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#include "nsString.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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#include <TextUtils.h>
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#include "nsIObserver.h"
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#define rSplashDialog 512
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const OSType kNSCreator = 'MOSS';
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const OSType kMozCreator = 'MOZZ';
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const SInt16 kNSCanRunStrArrayID = 1000;
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const SInt16 kAnotherVersionStrIndex = 1;
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const SInt16 kNSOSVersErrsStrArrayID = 1001;
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enum {
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eOSXVersTooOldErrIndex = 1,
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eOSXVersTooOldExplanationIndex,
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eContinueButtonTextIndex,
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eQuitButtonTextIndex,
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eCarbonLibVersTooOldIndex,
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eCarbonLibVersTooOldExplanationIndex
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};
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class nsSplashScreenMac : public nsISplashScreen,
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public nsIObserver
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{
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public:
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// dialog items
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enum {
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eSplashPictureItem = 1,
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eSplashStatusTextItem
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};
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nsSplashScreenMac();
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virtual ~nsSplashScreenMac();
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NS_DECL_ISUPPORTS
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NS_IMETHOD Show();
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NS_IMETHOD Hide();
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NS_DECL_NSIOBSERVER
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protected:
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DialogPtr mDialog;
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}; // class nsSplashScreenMac
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nsSplashScreenMac::nsSplashScreenMac()
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: mDialog(nsnull)
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{
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NS_INIT_REFCNT();
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}
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nsSplashScreenMac::~nsSplashScreenMac()
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{
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Hide();
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}
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NS_IMPL_ISUPPORTS2(nsSplashScreenMac, nsISplashScreen, nsIObserver);
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NS_IMETHODIMP
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nsSplashScreenMac::Show()
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{
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mDialog = ::GetNewDialog(rSplashDialog, nil, (WindowPtr)-1L);
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if (!mDialog) return NS_ERROR_FAILURE;
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#if TARGET_CARBON
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::ShowWindow(GetDialogWindow(mDialog));
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::SetPortDialogPort(mDialog);
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#else
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::ShowWindow(mDialog);
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::SetPort(mDialog);
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#endif
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::DrawDialog(mDialog); // we don't handle events for this dialog, so we
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// need to draw explicitly. Yuck.
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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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{
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if (mDialog)
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{
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::DisposeDialog( mDialog );
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mDialog = nsnull;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsSplashScreenMac::Observe(nsISupports *aSubject, const char *aTopic, const PRUnichar *someData)
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{
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// update a string in the dialog
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nsCAutoString statusString;
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statusString.AssignWithConversion(someData);
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Handle item = nsnull;
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Rect itemRect;
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short itemType;
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::GetDialogItem(mDialog, eSplashStatusTextItem, &itemType, &item, &itemRect);
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if (!item) return NS_OK;
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// convert string to Pascal string
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Str255 statusPStr;
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PRInt32 maxLen = statusString.Length();
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if (maxLen > 254)
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maxLen = 254;
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strncpy((char *)&statusPStr[1], statusString.get(), maxLen);
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statusPStr[0] = maxLen;
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::SetDialogItemText(item, statusPStr);
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::DrawDialog(mDialog);
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return NS_OK;
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}
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#pragma mark -
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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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// Snagged from mozilla/xpinstall/wizrd/mac/src/SetupTypeWin.c
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// VersGreaterThan4 - utility function to test if it's >4.x running
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static Boolean VersGreaterThan4(FSSpec *fSpec)
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{
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Boolean result = false;
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short fRefNum = 0;
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::SetResLoad(false);
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fRefNum = ::FSpOpenResFile(fSpec, fsRdPerm);
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::SetResLoad(true);
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if (fRefNum != -1)
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{
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Handle h;
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h = ::Get1Resource('vers', 2);
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if (h && **(unsigned short**)h >= 0x0500)
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result = true;
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::CloseResFile(fRefNum);
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}
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return result;
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}
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PRBool NS_CanRun()
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{
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Str255 str1;
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Str255 str2;
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SInt16 outItemHit;
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long response = 0;
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OSErr err = ::Gestalt (gestaltSystemVersion, &response);
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// check for at least MacOS 8.5
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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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#if TARGET_CARBON
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// If we're running under Mac OS X check for at least Mac OS X 10.1
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// If that fails display a StandardAlert giving the user the option
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// to continue running the app or quitting
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if (response >= 0x00001000 && response < 0x00001010)
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{
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// put up error dialog
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Str255 continueButtonLabel;
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Str255 quitButtonLabel;
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::GetIndString(str1, kNSOSVersErrsStrArrayID, eOSXVersTooOldErrIndex);
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::GetIndString(str2, kNSOSVersErrsStrArrayID, eOSXVersTooOldExplanationIndex);
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::GetIndString(continueButtonLabel, kNSOSVersErrsStrArrayID, eContinueButtonTextIndex);
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::GetIndString(quitButtonLabel, kNSOSVersErrsStrArrayID, eQuitButtonTextIndex);
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if (StrLength(str1) && StrLength(str1) && StrLength(continueButtonLabel) && StrLength(quitButtonLabel))
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{
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AlertStdAlertParamRec pRec;
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pRec.movable = nil;
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pRec.filterProc = nil;
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pRec.defaultText = continueButtonLabel;
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pRec.cancelText = quitButtonLabel;
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pRec.otherText = nil;
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pRec.helpButton = nil;
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pRec.defaultButton = kAlertStdAlertOKButton;
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pRec.cancelButton = kAlertStdAlertCancelButton;
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pRec.position = 0;
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::StandardAlert(kAlertNoteAlert, str1, str2, &pRec, &outItemHit);
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if (outItemHit == kAlertStdAlertCancelButton)
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return PR_FALSE;
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}
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else
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return PR_FALSE;
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}
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// We also check for CarbonLib version >= 1.4 if OS vers < 10.0
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// which is always cause for the app to quit
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if (response < 0x00001000)
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{
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err = ::Gestalt (gestaltCarbonVersion, &response);
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if (err || response < 0x00000140)
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{
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// put up error dialog
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::GetIndString(str1, kNSOSVersErrsStrArrayID, eCarbonLibVersTooOldIndex);
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::GetIndString(str2, kNSOSVersErrsStrArrayID, eCarbonLibVersTooOldExplanationIndex);
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if (StrLength(str1) && StrLength(str1))
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{
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::StandardAlert(kAlertStopAlert, str1, str2, nil, &outItemHit);
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}
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return PR_FALSE;
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}
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}
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#endif
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// Check for running instances of Mozilla or Netscape. The real issue
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// is having more than one app use the same profile directory. That would
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// be REAL BAD!!!!!!!!
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// The code below is a copy of nsLocalFile::FindRunningAppBySignature which is
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// a non-static method. Sounds silly that I have to create an nsILocalFile
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// just to call that method. At any rate, don't think we want to go through
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// all that rigmarole during startup anyway.
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ProcessInfoRec info;
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FSSpec tempFSSpec;
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ProcessSerialNumber psn, nextProcessPsn;
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nextProcessPsn.highLongOfPSN = 0;
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nextProcessPsn.lowLongOfPSN = kNoProcess;
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// first, get our psn so that we can exclude ourselves when searching
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err = ::GetCurrentProcess(&psn);
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if (err != noErr)
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return PR_FALSE;
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// We loop while err == noErr, which should mean all our calls are OK
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// The ways of 'break'-ing out of the loop are:
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// GetNextProcess() fails (this includes getting procNotFound, meaning we're at the end of the process list),
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// GetProcessInformation() fails
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// The ways we should fall out of the while loop are:
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// GetIndString() fails, err == resNotFound,
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// we found a running mozilla process or running Netscape > 4.x process, err == fnfErr
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while (err == noErr)
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{
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err = ::GetNextProcess(&nextProcessPsn);
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if (err != noErr)
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break; // most likely, end of process list
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info.processInfoLength = sizeof(ProcessInfoRec);
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info.processName = nil;
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info.processAppSpec = &tempFSSpec;
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err = ::GetProcessInformation(&nextProcessPsn, &info);
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if (err != noErr)
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break; // aww crap, GetProcessInfo() failed, we're outta here
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if (info.processSignature == kNSCreator || info.processSignature == kMozCreator)
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{
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// if the found process is us, obviously, it's okay if WE'RE running,
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if (!(info.processNumber.lowLongOfPSN == psn.lowLongOfPSN &&
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info.processNumber.highLongOfPSN == psn.highLongOfPSN))
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{
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// check to see if Netscape process is greater than Netscape 4.x or
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// if process is Mozilla
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if ((info.processSignature == kNSCreator && VersGreaterThan4(&tempFSSpec)) ||
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info.processSignature == kMozCreator)
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{
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// put up error dialog
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Str255 str;
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::GetIndString(str, kNSCanRunStrArrayID, kAnotherVersionStrIndex);
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if (StrLength(str) == 0)
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err = resNotFound; // set err to something so that we return false
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else
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{
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SInt16 outItemHit;
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if (str)
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::StandardAlert(kAlertStopAlert, str, nil, nil, &outItemHit);
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err = fnfErr; // set err to something so that we return false
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}
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}
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}
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}
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}
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if (err == noErr || err == procNotFound)
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return PR_TRUE;
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return PR_FALSE;
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}
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