/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */ /* ***** 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.org code. * * The Initial Developer of the Original Code is * IBM Corporation. * Portions created by the Initial Developer are Copyright (C) 2003 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Michael Lowe * John Fairhurst * * 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 NPL, 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 NPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsAppShell.h" #include "nsToolkit.h" #include "nsIWidget.h" #include "nsIEventQueueService.h" #include "nsIServiceManager.h" #include "nsWidgetsCID.h" NS_IMPL_ISUPPORTS1(nsAppShell, nsIAppShell) static int gKeepGoing = 1; //------------------------------------------------------------------------- // // nsAppShell constructor // //------------------------------------------------------------------------- nsAppShell::nsAppShell() { } //------------------------------------------------------------------------- // // Create the application shell // //------------------------------------------------------------------------- NS_METHOD nsAppShell::Create(int* argc, char ** argv) { return NS_OK; } //------------------------------------------------------------------------- // // Enter a message handler loop // //------------------------------------------------------------------------- #include "nsITimerManager.h" NS_METHOD nsAppShell::Run(void) { NS_ADDREF_THIS(); QMSG qmsg; int keepGoing = 1; nsresult rv; nsCOMPtr timerManager(do_GetService("@mozilla.org/timer/manager;1", &rv)); if (NS_FAILED(rv)) return rv; // Using idle timers breaks drag drop, so turn it off for now timerManager->SetUseIdleTimers(PR_FALSE); gKeepGoing = 1; // Process messages do { // Give priority to system messages (in particular keyboard, mouse, // timer, and paint messages). if (WinPeekMsg((HAB)0, &qmsg, NULL, WM_CHAR, WM_VIOCHAR, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, 0, WM_USER-1, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, 0, 0, PM_REMOVE)) { keepGoing = (qmsg.msg != WM_QUIT); if (keepGoing != 0) { WinDispatchMsg((HAB)0, &qmsg); } else { if ((qmsg.hwnd) && (qmsg.mp1 || qmsg.mp2)) { // If close is selected from the task list, only close // that window, not the entire application WinSendMsg(qmsg.hwnd, WM_SYSCOMMAND, MPFROMSHORT(SC_CLOSE), 0); keepGoing = 1; } } } else { PRBool hasTimers; timerManager->HasIdleTimers(&hasTimers); if (hasTimers) { do { timerManager->FireNextIdleTimer(); timerManager->HasIdleTimers(&hasTimers); } while (hasTimers && WinPeekMsg((HAB)0, &qmsg, NULL, 0, 0, PM_NOREMOVE)); } else { if (!gKeepGoing) { // In this situation, PostQuitMessage() was called, but the WM_QUIT // message was removed from the event queue by someone else - // (see bug #54725). So, just exit the loop as if WM_QUIT had been // reeceived... keepGoing = 0; printf("here\n"); } else { // Block and wait for any posted application message ::WinWaitMsg((HAB)0, 0, 0); } } } } while (keepGoing != 0); Release(); return NS_OK; } inline NS_METHOD nsAppShell::Spinup(void) { return NS_OK; } inline NS_METHOD nsAppShell::Spindown(void) { return NS_OK; } inline NS_METHOD nsAppShell::ListenToEventQueue(nsIEventQueue * aQueue, PRBool aListen) { return NS_OK; } NS_METHOD nsAppShell::GetNativeEvent(PRBool &aRealEvent, void *&aEvent) { static QMSG qmsg; PRBool gotMessage = PR_FALSE; nsresult rv; nsCOMPtr timerManager(do_GetService("@mozilla.org/timer/manager;1", &rv)); if (NS_FAILED(rv)) return rv; do { // Give priority to system messages (in particular keyboard, mouse, // timer, and paint messages). if (WinPeekMsg((HAB)0, &qmsg, NULL, WM_CHAR, WM_VIOCHAR, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, 0, WM_USER-1, PM_REMOVE) || WinPeekMsg((HAB)0, &qmsg, NULL, 0, 0, PM_REMOVE)) { gotMessage = PR_TRUE; } else { PRBool hasTimers; timerManager->HasIdleTimers(&hasTimers); if (hasTimers) { do { timerManager->FireNextIdleTimer(); timerManager->HasIdleTimers(&hasTimers); } while (hasTimers && WinPeekMsg((HAB)0, &qmsg, NULL, 0, 0, PM_NOREMOVE)); } else { // Block and wait for any posted application message ::WinWaitMsg((HAB)0, 0, 0); } } } while (gotMessage == PR_FALSE); #ifdef DEBUG_danm if (qmsg.msg != WM_TIMER) printf("-> %d", qmsg.msg); #endif aEvent = &qmsg; aRealEvent = PR_TRUE; return NS_OK; } nsresult nsAppShell::DispatchNativeEvent(PRBool aRealEvent, void *aEvent) { WinDispatchMsg((HAB)0, (QMSG *)aEvent); return NS_OK; } //------------------------------------------------------------------------- // // Exit a message handler loop // //------------------------------------------------------------------------- NS_METHOD nsAppShell::Exit(void) { WinPostQueueMsg(HMQ_CURRENT, WM_QUIT, 0, 0); // // Also, set a global flag, just in case someone eats the WM_QUIT message. // see bug #54725. // gKeepGoing = 0; return NS_OK; } //------------------------------------------------------------------------- // // nsAppShell destructor // //------------------------------------------------------------------------- nsAppShell::~nsAppShell() { }