/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* ***** 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 Unix Native App Support. * * The Initial Developer of the Original Code is * Mozilla Corporation. * Portions created by the Initial Developer are Copyright (C) 2007 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Michael Wu (original author) * Michael Ventnor * * 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 "nsNativeAppSupportBase.h" #include "nsCOMPtr.h" #include "nsXPCOM.h" #include "nsISupportsPrimitives.h" #include "nsIObserverService.h" #include "nsIAppStartup.h" #include "nsServiceManagerUtils.h" #include "prlink.h" #include "nsXREDirProvider.h" #include "nsReadableUtils.h" #include #include #include #include #ifdef NS_OSSO struct DBusMessage; /* libosso.h references internals of dbus */ #include #include #include #endif #define MIN_GTK_MAJOR_VERSION 2 #define MIN_GTK_MINOR_VERSION 10 #define UNSUPPORTED_GTK_MSG "We're sorry, this application requires a version of the GTK+ library that is not installed on your computer.\n\n\ You have GTK+ %d.%d.\nThis application requires GTK+ %d.%d or newer.\n\n\ Please upgrade your GTK+ library if you wish to use this application." typedef struct _GnomeProgram GnomeProgram; typedef struct _GnomeModuleInfo GnomeModuleInfo; typedef struct _GnomeClient GnomeClient; typedef enum { GNOME_SAVE_GLOBAL, GNOME_SAVE_LOCAL, GNOME_SAVE_BOTH } GnomeSaveStyle; typedef enum { GNOME_INTERACT_NONE, GNOME_INTERACT_ERRORS, GNOME_INTERACT_ANY } GnomeInteractStyle; typedef enum { GNOME_DIALOG_ERROR, GNOME_DIALOG_NORMAL } GnomeDialogType; typedef GnomeProgram * (*_gnome_program_init_fn)(const char *, const char *, const GnomeModuleInfo *, int, char **, const char *, ...); typedef const GnomeModuleInfo * (*_libgnomeui_module_info_get_fn)(); typedef GnomeClient * (*_gnome_master_client_fn)(void); typedef void (*GnomeInteractFunction)(GnomeClient *, gint, GnomeDialogType, gpointer); typedef void (*_gnome_client_request_interaction_fn)(GnomeClient *, GnomeDialogType, GnomeInteractFunction, gpointer); typedef void (*_gnome_interaction_key_return_fn)(gint, gboolean); typedef void (*_gnome_client_set_restart_command_fn)(GnomeClient*, gint, gchar*[]); static _gnome_client_request_interaction_fn gnome_client_request_interaction; static _gnome_interaction_key_return_fn gnome_interaction_key_return; static _gnome_client_set_restart_command_fn gnome_client_set_restart_command; void interact_cb(GnomeClient *client, gint key, GnomeDialogType type, gpointer data) { nsCOMPtr obsServ = do_GetService("@mozilla.org/observer-service;1"); nsCOMPtr cancelQuit = do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID); cancelQuit->SetData(PR_FALSE); obsServ->NotifyObservers(cancelQuit, "quit-application-requested", nsnull); PRBool abortQuit; cancelQuit->GetData(&abortQuit); gnome_interaction_key_return(key, abortQuit); } gboolean save_yourself_cb(GnomeClient *client, gint phase, GnomeSaveStyle style, gboolean shutdown, GnomeInteractStyle interact, gboolean fast, gpointer user_data) { if (!shutdown) return TRUE; nsCOMPtr obsServ = do_GetService("@mozilla.org/observer-service;1"); nsCOMPtr didSaveSession = do_CreateInstance(NS_SUPPORTS_PRBOOL_CONTRACTID); if (!obsServ || !didSaveSession) return TRUE; // OOM didSaveSession->SetData(PR_FALSE); obsServ->NotifyObservers(didSaveSession, "session-save", nsnull); PRBool status; didSaveSession->GetData(&status); // Didn't save, or no way of saving. So signal for quit-application. if (!status) { if (interact == GNOME_INTERACT_ANY) gnome_client_request_interaction(client, GNOME_DIALOG_NORMAL, interact_cb, nsnull); return TRUE; } // Tell GNOME the command for restarting us so that we can be part of XSMP session restore NS_ASSERTION(gDirServiceProvider, "gDirServiceProvider is NULL! This shouldn't happen!"); nsCOMPtr executablePath; nsresult rv; PRBool dummy; rv = gDirServiceProvider->GetFile(XRE_EXECUTABLE_FILE, &dummy, getter_AddRefs(executablePath)); if (NS_SUCCEEDED(rv)) { nsCAutoString path; char* argv[1]; // Strip off the -bin suffix to get the shell script we should run; this is what Breakpad does nsCAutoString leafName; rv = executablePath->GetNativeLeafName(leafName); if (NS_SUCCEEDED(rv) && StringEndsWith(leafName, NS_LITERAL_CSTRING("-bin"))) { leafName.SetLength(leafName.Length() - strlen("-bin")); executablePath->SetNativeLeafName(leafName); } executablePath->GetNativePath(path); argv[0] = (char*)(path.get()); gnome_client_set_restart_command(client, 1, argv); } return TRUE; } void die_cb(GnomeClient *client, gpointer user_data) { nsCOMPtr appService = do_GetService("@mozilla.org/toolkit/app-startup;1"); if (appService) appService->Quit(nsIAppStartup::eForceQuit); } class nsNativeAppSupportUnix : public nsNativeAppSupportBase { public: NS_IMETHOD Start(PRBool* aRetVal); NS_IMETHOD Stop( PRBool *aResult); private: #ifdef NS_OSSO osso_context_t *m_osso_context; /* A note about why we need to have m_hw_state: the osso hardware callback does not tell us what changed, just that something has changed. We need to keep track of state so that we can determine what has changed. */ osso_hw_state_t m_hw_state; #endif }; #ifdef NS_OSSO static void OssoDisplayCallback(osso_display_state_t state, gpointer data) { nsCOMPtr os = do_GetService("@mozilla.org/observer-service;1"); if (!os) return; if (state == OSSO_DISPLAY_ON) os->NotifyObservers(nsnull, "system-display-on", nsnull); else os->NotifyObservers(nsnull, "system-display-dimmed-or-off", nsnull); } static void OssoHardwareCallback(osso_hw_state_t *state, gpointer data) { NS_ASSERTION(state, "osso_hw_state_t must not be null."); NS_ASSERTION(data, "data must not be null."); osso_hw_state_t* ourState = (osso_hw_state_t*) data; if (state->shutdown_ind) { nsCOMPtr appService = do_GetService("@mozilla.org/toolkit/app-startup;1"); if (appService) appService->Quit(nsIAppStartup::eForceQuit); return; } if (state->memory_low_ind) { if (! ourState->memory_low_ind) { nsCOMPtr os = do_GetService("@mozilla.org/observer-service;1"); if (os) os->NotifyObservers(nsnull, "memory-pressure", NS_LITERAL_STRING("low-memory").get()); } } if (state->system_inactivity_ind != ourState->system_inactivity_ind) { nsCOMPtr os = do_GetService("@mozilla.org/observer-service;1"); if (!os) return; if (state->system_inactivity_ind) os->NotifyObservers(nsnull, "system-idle", nsnull); else os->NotifyObservers(nsnull, "system-active", nsnull); } memcpy(ourState, state, sizeof(osso_hw_state_t)); } #endif NS_IMETHODIMP nsNativeAppSupportUnix::Start(PRBool *aRetVal) { NS_ASSERTION(gAppData, "gAppData must not be null."); if (gtk_major_version < MIN_GTK_MAJOR_VERSION || (gtk_major_version == MIN_GTK_MAJOR_VERSION && gtk_minor_version < MIN_GTK_MINOR_VERSION)) { GtkWidget* versionErrDialog = gtk_message_dialog_new(NULL, GtkDialogFlags(GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT), GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, UNSUPPORTED_GTK_MSG, gtk_major_version, gtk_minor_version, MIN_GTK_MAJOR_VERSION, MIN_GTK_MINOR_VERSION); gtk_dialog_run(GTK_DIALOG(versionErrDialog)); gtk_widget_destroy(versionErrDialog); exit(0); } #ifdef NS_OSSO /* zero state out. */ memset(&m_hw_state, 0, sizeof(osso_hw_state_t)); /* Initialize maemo application The initalization name will be of the form "Vendor.Name". If a Vendor isn't given, then we will just use "Name". Note that this value must match your X-Osso-Service name defined in your desktop file. If it doesn't, the OSSO system will happily kill your process. */ nsCAutoString applicationName; if(gAppData->vendor) { applicationName.Append(gAppData->vendor); applicationName.Append("."); } applicationName.Append(gAppData->name); m_osso_context = osso_initialize(applicationName.get(), gAppData->version ? gAppData->version : "1.0", PR_TRUE, nsnull); /* Check that initilialization was ok */ if (m_osso_context == nsnull) { return NS_ERROR_FAILURE; } osso_hw_set_event_cb(m_osso_context, nsnull, OssoHardwareCallback, &m_hw_state); osso_hw_set_display_event_cb(m_osso_context, OssoDisplayCallback, nsnull); #endif *aRetVal = PR_TRUE; #ifdef MOZ_X11 PRLibrary *gnomeuiLib = PR_LoadLibrary("libgnomeui-2.so.0"); if (!gnomeuiLib) return NS_OK; PRLibrary *gnomeLib = PR_LoadLibrary("libgnome-2.so.0"); if (!gnomeLib) { PR_UnloadLibrary(gnomeuiLib); return NS_OK; } _gnome_program_init_fn gnome_program_init = (_gnome_program_init_fn)PR_FindFunctionSymbol(gnomeLib, "gnome_program_init"); _libgnomeui_module_info_get_fn libgnomeui_module_info_get = (_libgnomeui_module_info_get_fn)PR_FindFunctionSymbol(gnomeuiLib, "libgnomeui_module_info_get"); if (!gnome_program_init || !libgnomeui_module_info_get) { PR_UnloadLibrary(gnomeuiLib); PR_UnloadLibrary(gnomeLib); return NS_OK; } #endif /* MOZ_X11 */ #ifdef ACCESSIBILITY // We will load gail, atk-bridge by ourself later // We can't run atk-bridge init here, because gail get the control // Set GNOME_ACCESSIBILITY to 0 can avoid this static const char *accEnv = "GNOME_ACCESSIBILITY"; const char *accOldValue = getenv(accEnv); setenv(accEnv, "0", 1); #endif #ifdef MOZ_X11 gnome_program_init("Gecko", "1.0", libgnomeui_module_info_get(), gArgc, gArgv, NULL); #endif /* MOZ_X11 */ #ifdef ACCESSIBILITY if (accOldValue) { setenv(accEnv, accOldValue, 1); } else { unsetenv(accEnv); } #endif // Careful! These libraries cannot be unloaded after this point because // gnome_program_init causes atexit handlers to be registered. Strange // crashes will occur if these libraries are unloaded. #ifdef MOZ_X11 gnome_client_request_interaction = (_gnome_client_request_interaction_fn) PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_request_interaction"); gnome_interaction_key_return = (_gnome_interaction_key_return_fn) PR_FindFunctionSymbol(gnomeuiLib, "gnome_interaction_key_return"); gnome_client_set_restart_command = (_gnome_client_set_restart_command_fn) PR_FindFunctionSymbol(gnomeuiLib, "gnome_client_set_restart_command"); _gnome_master_client_fn gnome_master_client = (_gnome_master_client_fn) PR_FindFunctionSymbol(gnomeuiLib, "gnome_master_client"); GnomeClient *client = gnome_master_client(); g_signal_connect(client, "save-yourself", G_CALLBACK(save_yourself_cb), NULL); g_signal_connect(client, "die", G_CALLBACK(die_cb), NULL); #endif /* MOZ_X11 */ return NS_OK; } NS_IMETHODIMP nsNativeAppSupportUnix::Stop( PRBool *aResult ) { NS_ENSURE_ARG( aResult ); *aResult = PR_TRUE; #ifdef NS_OSSO if (m_osso_context) { osso_hw_unset_event_cb(m_osso_context, nsnull); osso_deinitialize(m_osso_context); m_osso_context = nsnull; } #endif return NS_OK; } nsresult NS_CreateNativeAppSupport(nsINativeAppSupport **aResult) { nsNativeAppSupportBase* native = new nsNativeAppSupportUnix(); if (!native) return NS_ERROR_OUT_OF_MEMORY; *aResult = native; NS_ADDREF(*aResult); return NS_OK; }