RetroZilla/toolkit/xre/nsNativeAppSupportMac.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsString.h"
#include <Gestalt.h>
#include <Dialogs.h>
#include <Resources.h>
#include <TextUtils.h>
#include <ControlDefinitions.h>
#include "nsCOMPtr.h"
#include "nsNativeAppSupportBase.h"
#include "nsIAppShellService.h"
#include "nsIAppStartup.h"
#include "nsIBaseWindow.h"
#include "nsICommandLineRunner.h"
#include "nsIDOMWindowInternal.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeOwner.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIObserver.h"
#include "nsIServiceManager.h"
#include "nsIWebNavigation.h"
#include "nsIWidget.h"
#include "nsIWindowMediator.h"
#include "nsXPFEComponentsCID.h"
static Boolean VersGreaterThan4(const FSSpec *fSpec);
const OSType kNSCreator = 'MOSS';
const OSType kMozCreator = 'MOZZ';
const SInt16 kNSCanRunStrArrayID = 1000;
const SInt16 kAnotherVersionStrIndex = 1;
nsresult
GetNativeWindowPointerFromDOMWindow(nsIDOMWindowInternal *window, WindowRef *nativeWindow);
const SInt16 kNSOSVersErrsStrArrayID = 1001;
enum {
eOSXVersTooOldErrIndex = 1,
eOSXVersTooOldExplanationIndex,
eContinueButtonTextIndex,
eQuitButtonTextIndex,
eCarbonLibVersTooOldIndex,
eCarbonLibVersTooOldExplanationIndex
};
class nsNativeAppSupportMac : public nsNativeAppSupportBase
{
public:
nsNativeAppSupportMac() :
mCanShowUI(PR_FALSE) { }
NS_IMETHOD Start(PRBool* aRetVal);
NS_IMETHOD ReOpen();
NS_IMETHOD Enable();
private:
PRBool mCanShowUI;
};
NS_IMETHODIMP
nsNativeAppSupportMac::Enable()
{
mCanShowUI = PR_TRUE;
return NS_OK;
}
/* boolean start (); */
NS_IMETHODIMP nsNativeAppSupportMac::Start(PRBool *_retval)
{
Str255 str1;
Str255 str2;
SInt16 outItemHit;
long response = 0;
OSErr err = ::Gestalt (gestaltSystemVersion, &response);
// check for at least MacOS 8.5
if ( err || response < 0x850)
{
::StopAlert (5000, NULL);
*_retval = PR_FALSE;
return NS_ERROR_FAILURE;
}
#if TARGET_CARBON
// If we're running under Mac OS X check for at least Mac OS X 10.1
// If that fails display a StandardAlert giving the user the option
// to continue running the app or quitting
if (response >= 0x00001000 && response < 0x00001010)
{
// put up error dialog
Str255 continueButtonLabel;
Str255 quitButtonLabel;
::GetIndString(str1, kNSOSVersErrsStrArrayID, eOSXVersTooOldErrIndex);
::GetIndString(str2, kNSOSVersErrsStrArrayID, eOSXVersTooOldExplanationIndex);
::GetIndString(continueButtonLabel, kNSOSVersErrsStrArrayID, eContinueButtonTextIndex);
::GetIndString(quitButtonLabel, kNSOSVersErrsStrArrayID, eQuitButtonTextIndex);
if (StrLength(str1) && StrLength(str1) && StrLength(continueButtonLabel) && StrLength(quitButtonLabel))
{
AlertStdAlertParamRec pRec;
pRec.movable = nil;
pRec.filterProc = nil;
pRec.defaultText = continueButtonLabel;
pRec.cancelText = quitButtonLabel;
pRec.otherText = nil;
pRec.helpButton = nil;
pRec.defaultButton = kAlertStdAlertOKButton;
pRec.cancelButton = kAlertStdAlertCancelButton;
pRec.position = 0;
::StandardAlert(kAlertNoteAlert, str1, str2, &pRec, &outItemHit);
if (outItemHit == kAlertStdAlertCancelButton)
return PR_FALSE;
}
else
return PR_FALSE;
}
// We also check for CarbonLib version >= 1.4 if OS vers < 10.0
// which is always cause for the app to quit
if (response < 0x00001000)
{
err = ::Gestalt (gestaltCarbonVersion, &response);
if (err || response < 0x00000140)
{
// put up error dialog
::GetIndString(str1, kNSOSVersErrsStrArrayID, eCarbonLibVersTooOldIndex);
::GetIndString(str2, kNSOSVersErrsStrArrayID, eCarbonLibVersTooOldExplanationIndex);
if (StrLength(str1) && StrLength(str1))
{
::StandardAlert(kAlertStopAlert, str1, str2, nil, &outItemHit);
}
return PR_FALSE;
}
}
#endif
*_retval = PR_TRUE;
return NS_OK;
}
NS_IMETHODIMP
nsNativeAppSupportMac::ReOpen()
{
if (!mCanShowUI)
return NS_ERROR_FAILURE;
PRBool haveUncollapsed = PR_FALSE;
PRBool haveOpenWindows = PR_FALSE;
PRBool done = PR_FALSE;
nsCOMPtr<nsIWindowMediator>
wm(do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
if (!wm)
{
return NS_ERROR_FAILURE;
}
else
{
nsCOMPtr<nsISimpleEnumerator> windowList;
wm->GetXULWindowEnumerator(nsnull, getter_AddRefs(windowList));
PRBool more;
windowList->HasMoreElements(&more);
while (more)
{
nsCOMPtr<nsISupports> nextWindow = nsnull;
windowList->GetNext(getter_AddRefs(nextWindow));
nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(nextWindow));
if (!baseWindow)
{
windowList->HasMoreElements(&more);
continue;
}
else
{
haveOpenWindows = PR_TRUE;
}
nsCOMPtr<nsIWidget> widget = nsnull;
baseWindow->GetMainWidget(getter_AddRefs(widget));
if (!widget)
{
windowList->HasMoreElements(&more);
continue;
}
WindowRef windowRef = (WindowRef)widget->GetNativeData(NS_NATIVE_DISPLAY);
if (!::IsWindowCollapsed(windowRef))
{
haveUncollapsed = PR_TRUE;
break; //have un-minimized windows, nothing to do
}
windowList->HasMoreElements(&more);
} // end while
if (!haveUncollapsed)
{
//uncollapse the most recenty used window
nsCOMPtr<nsIDOMWindowInternal> mru = nsnull;
wm->GetMostRecentWindow(nsnull, getter_AddRefs(mru));
if (mru)
{
WindowRef mruRef = nil;
GetNativeWindowPointerFromDOMWindow(mru, &mruRef);
if (mruRef)
{
::CollapseWindow(mruRef, FALSE);
::SelectWindow(mruRef);
done = PR_TRUE;
}
}
} // end if have uncollapsed
if (!haveOpenWindows && !done)
{
char* argv[] = { nsnull };
// use an empty command line to make the right kind(s) of window open
nsCOMPtr<nsICommandLineRunner> cmdLine
(do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
NS_ENSURE_TRUE(cmdLine, NS_ERROR_FAILURE);
nsresult rv;
rv = cmdLine->Init(0, argv, nsnull,
nsICommandLine::STATE_REMOTE_EXPLICIT);
NS_ENSURE_SUCCESS(rv, rv);
return cmdLine->Run();
}
} // got window mediator
return NS_OK;
}
nsresult
GetNativeWindowPointerFromDOMWindow(nsIDOMWindowInternal *a_window, WindowRef *a_nativeWindow)
{
*a_nativeWindow = nil;
if (!a_window) return NS_ERROR_INVALID_ARG;
nsCOMPtr<nsIWebNavigation> mruWebNav(do_GetInterface(a_window));
if (mruWebNav)
{
nsCOMPtr<nsIDocShellTreeItem> mruTreeItem(do_QueryInterface(mruWebNav));
nsCOMPtr<nsIDocShellTreeOwner> mruTreeOwner = nsnull;
mruTreeItem->GetTreeOwner(getter_AddRefs(mruTreeOwner));
if(mruTreeOwner)
{
nsCOMPtr<nsIBaseWindow> mruBaseWindow(do_QueryInterface(mruTreeOwner));
if (mruBaseWindow)
{
nsCOMPtr<nsIWidget> mruWidget = nsnull;
mruBaseWindow->GetMainWidget(getter_AddRefs(mruWidget));
if (mruWidget)
{
*a_nativeWindow = (WindowRef)mruWidget->GetNativeData(NS_NATIVE_DISPLAY);
}
}
}
}
return NS_OK;
}
#pragma mark -
// Create and return an instance of class nsNativeAppSupportMac.
nsresult NS_CreateNativeAppSupport(nsINativeAppSupport**aResult)
{
*aResult = new nsNativeAppSupportMac;
if (!*aResult) return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF( *aResult );
return NS_OK;
}