зеркало из https://github.com/mozilla/gecko-dev.git
316 строки
9.2 KiB
C++
316 строки
9.2 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: MPL 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 Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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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 MPL, 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 MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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 <ControlDefinitions.h>
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#include "nsCOMPtr.h"
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#include "nsNativeAppSupportBase.h"
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#include "nsIAppShellService.h"
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#include "nsIAppStartup.h"
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#include "nsIBaseWindow.h"
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#include "nsICommandLineRunner.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIObserver.h"
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#include "nsIServiceManager.h"
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#include "nsIWebNavigation.h"
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#include "nsIWidget.h"
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#include "nsIWindowMediator.h"
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#include "nsXPFEComponentsCID.h"
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static Boolean VersGreaterThan4(const FSSpec *fSpec);
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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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nsresult
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GetNativeWindowPointerFromDOMWindow(nsIDOMWindowInternal *window, WindowRef *nativeWindow);
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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 nsNativeAppSupportMac : public nsNativeAppSupportBase
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{
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public:
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nsNativeAppSupportMac() :
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mCanShowUI(PR_FALSE) { }
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NS_IMETHOD Start(PRBool* aRetVal);
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NS_IMETHOD ReOpen();
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NS_IMETHOD Enable();
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private:
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PRBool mCanShowUI;
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};
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NS_IMETHODIMP
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nsNativeAppSupportMac::Enable()
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{
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mCanShowUI = PR_TRUE;
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return NS_OK;
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}
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/* boolean start (); */
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NS_IMETHODIMP nsNativeAppSupportMac::Start(PRBool *_retval)
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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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*_retval = PR_FALSE;
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return NS_ERROR_FAILURE;
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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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*_retval = PR_TRUE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsNativeAppSupportMac::ReOpen()
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{
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if (!mCanShowUI)
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return NS_ERROR_FAILURE;
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PRBool haveUncollapsed = PR_FALSE;
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PRBool haveOpenWindows = PR_FALSE;
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PRBool done = PR_FALSE;
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nsCOMPtr<nsIWindowMediator>
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wm(do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
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if (!wm)
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{
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return NS_ERROR_FAILURE;
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}
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else
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{
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nsCOMPtr<nsISimpleEnumerator> windowList;
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wm->GetXULWindowEnumerator(nsnull, getter_AddRefs(windowList));
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PRBool more;
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windowList->HasMoreElements(&more);
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while (more)
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{
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nsCOMPtr<nsISupports> nextWindow = nsnull;
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windowList->GetNext(getter_AddRefs(nextWindow));
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nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(nextWindow));
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if (!baseWindow)
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{
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windowList->HasMoreElements(&more);
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continue;
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}
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else
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{
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haveOpenWindows = PR_TRUE;
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}
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nsCOMPtr<nsIWidget> widget = nsnull;
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baseWindow->GetMainWidget(getter_AddRefs(widget));
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if (!widget)
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{
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windowList->HasMoreElements(&more);
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continue;
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}
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WindowRef windowRef = (WindowRef)widget->GetNativeData(NS_NATIVE_DISPLAY);
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if (!::IsWindowCollapsed(windowRef))
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{
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haveUncollapsed = PR_TRUE;
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break; //have un-minimized windows, nothing to do
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}
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windowList->HasMoreElements(&more);
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} // end while
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if (!haveUncollapsed)
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{
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//uncollapse the most recenty used window
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nsCOMPtr<nsIDOMWindowInternal> mru = nsnull;
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wm->GetMostRecentWindow(nsnull, getter_AddRefs(mru));
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if (mru)
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{
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WindowRef mruRef = nil;
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GetNativeWindowPointerFromDOMWindow(mru, &mruRef);
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if (mruRef)
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{
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::CollapseWindow(mruRef, FALSE);
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::SelectWindow(mruRef);
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done = PR_TRUE;
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}
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}
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} // end if have uncollapsed
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if (!haveOpenWindows && !done)
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{
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char* argv[] = { nsnull };
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// use an empty command line to make the right kind(s) of window open
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nsCOMPtr<nsICommandLineRunner> cmdLine
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(do_CreateInstance("@mozilla.org/toolkit/command-line;1"));
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NS_ENSURE_TRUE(cmdLine, NS_ERROR_FAILURE);
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nsresult rv;
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rv = cmdLine->Init(0, argv, nsnull,
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nsICommandLine::STATE_REMOTE_EXPLICIT);
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NS_ENSURE_SUCCESS(rv, rv);
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return cmdLine->Run();
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}
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} // got window mediator
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return NS_OK;
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}
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nsresult
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GetNativeWindowPointerFromDOMWindow(nsIDOMWindowInternal *a_window, WindowRef *a_nativeWindow)
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{
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*a_nativeWindow = nil;
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if (!a_window) return NS_ERROR_INVALID_ARG;
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nsCOMPtr<nsIWebNavigation> mruWebNav(do_GetInterface(a_window));
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if (mruWebNav)
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{
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nsCOMPtr<nsIDocShellTreeItem> mruTreeItem(do_QueryInterface(mruWebNav));
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nsCOMPtr<nsIDocShellTreeOwner> mruTreeOwner = nsnull;
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mruTreeItem->GetTreeOwner(getter_AddRefs(mruTreeOwner));
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if(mruTreeOwner)
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{
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nsCOMPtr<nsIBaseWindow> mruBaseWindow(do_QueryInterface(mruTreeOwner));
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if (mruBaseWindow)
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{
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nsCOMPtr<nsIWidget> mruWidget = nsnull;
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mruBaseWindow->GetMainWidget(getter_AddRefs(mruWidget));
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if (mruWidget)
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{
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*a_nativeWindow = (WindowRef)mruWidget->GetNativeData(NS_NATIVE_DISPLAY);
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}
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}
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}
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}
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return NS_OK;
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}
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#pragma mark -
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// Create and return an instance of class nsNativeAppSupportMac.
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nsresult NS_CreateNativeAppSupport(nsINativeAppSupport**aResult)
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{
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*aResult = new nsNativeAppSupportMac;
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if (!*aResult) return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF( *aResult );
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return NS_OK;
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}
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