gecko/toolkit/xre/nsNativeAppSupportUnix.cpp

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/* -*- 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 <flamingice@sourmilk.net> (original author)
* Michael Ventnor <m.ventnor@gmail.com>
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*
* 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"
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#include <stdlib.h>
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#include <glib.h>
#include <glib-object.h>
#include <gtk/gtk.h>
#ifdef NS_OSSO
struct DBusMessage; /* libosso.h references internals of dbus */
#include <dbus/dbus.h>
#include <dbus/dbus-protocol.h>
#include <libosso.h>
#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."
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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*[]);
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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;
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void interact_cb(GnomeClient *client, gint key,
GnomeDialogType type, gpointer data)
{
nsCOMPtr<nsIObserverService> obsServ =
do_GetService("@mozilla.org/observer-service;1");
nsCOMPtr<nsISupportsPRBool> 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<nsIObserverService> obsServ =
do_GetService("@mozilla.org/observer-service;1");
nsCOMPtr<nsISupportsPRBool> 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<nsIFile> 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);
}
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return TRUE;
}
void die_cb(GnomeClient *client, gpointer user_data)
{
nsCOMPtr<nsIAppStartup> 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
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};
#ifdef NS_OSSO
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<nsIAppStartup> 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<nsIObserverService> 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<nsIObserverService> 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
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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);
#endif
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*aRetVal = PR_TRUE;
#ifdef MOZ_X11
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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 */
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#ifdef ACCESSIBILITY
if (accOldValue) {
setenv(accEnv, accOldValue, 1);
} else {
unsetenv(accEnv);
}
#endif
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// 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
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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");
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_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 */
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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;
}
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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;
}